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authorarseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640>2007-10-31 17:46:35 +0000
committerarseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640>2007-10-31 17:46:35 +0000
commit2c06637bf86fed5be3b8a1d04f454b9fe6964c7f (patch)
tree7e82a52508b90e2b28f7d3556cea9c4fbde5e7b3 /src/pugixml.cpp
parentfaf69388f0f2e505cb2204cfd30bfd110c042922 (diff)
Merged 0.34 in trunk (revisions 69:84)
git-svn-id: http://pugixml.googlecode.com/svn/trunk@85 99668b35-9821-0410-8761-19e4c4f06640
Diffstat (limited to 'src/pugixml.cpp')
-rw-r--r--src/pugixml.cpp5234
1 files changed, 2669 insertions, 2565 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index e812710..be3de07 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -1,2569 +1,2673 @@
-///////////////////////////////////////////////////////////////////////////////
-//
-// Pug Improved XML Parser - Version 0.3
-// --------------------------------------------------------
-// Copyright (C) 2006-2007, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-// This work is based on the pugxml parser, which is:
-// Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
-// Released into the Public Domain. Use at your own risk.
-// See pugxml.xml for further information, history, etc.
-// Contributions by Neville Franks (readonly@getsoft.com).
-//
-///////////////////////////////////////////////////////////////////////////////
-
+///////////////////////////////////////////////////////////////////////////////
+//
+// Pug Improved XML Parser - Version 0.34
+// --------------------------------------------------------
+// Copyright (C) 2006-2007, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// This work is based on the pugxml parser, which is:
+// Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
+// Released into the Public Domain. Use at your own risk.
+// See pugxml.xml for further information, history, etc.
+// Contributions by Neville Franks (readonly@getsoft.com).
+//
+///////////////////////////////////////////////////////////////////////////////
+
#include "pugixml.hpp"
-
+
#include <stdlib.h>
-#include <stdio.h>
-
-#include <new>
-
-#ifndef PUGIXML_NO_STL
-# include <fstream>
-#endif
-
-#ifdef _MSC_VER
-# pragma warning(disable: 4127) // conditional expression is constant
-# pragma warning(disable: 4996) // this function or variable may be unsafe
-#endif
-
-#ifdef __BORLANDC__
-# pragma warn -8008 // condition is always false
-# pragma warn -8066 // unreachable code
-#endif
-
-#define STATIC_ASSERT(cond) { static const char condition_failed[(cond) ? 1 : -1] = {0}; (void)condition_failed; }
-
-namespace pugi
-{
- class xml_allocator
- {
- public:
- xml_allocator(xml_memory_block* root): _root(root)
- {
- }
-
- template <typename T> T* allocate()
- {
- void* buf = memalloc(sizeof(T));
- return new (buf) T();
- }
-
- template <typename T, typename U> T* allocate(U val)
- {
- void* buf = memalloc(sizeof(T));
- return new (buf) T(val);
- }
-
- private:
- xml_memory_block* _root;
-
- void* memalloc(size_t size)
- {
- if (_root->size + size <= memory_block_size)
- {
- void* buf = _root->data + _root->size;
- _root->size += size;
- return buf;
- }
- else
- {
- _root->next = new xml_memory_block();
- _root = _root->next;
-
- _root->size = size;
-
- return _root->data;
- }
- }
- };
-
- /// A 'name=value' XML attribute structure.
- struct xml_attribute_struct
- {
- /// Default ctor
- xml_attribute_struct(): name_insitu(true), value_insitu(true), document_order(0), name(0), value(0), prev_attribute(0), next_attribute(0)
- {
- }
-
- void free()
- {
- if (!name_insitu) delete[] name;
- if (!value_insitu) delete[] value;
- }
-
- bool name_insitu : 1;
- bool value_insitu : 1;
- unsigned int document_order : 30; ///< Document order value
-
- char* name; ///< Pointer to attribute name.
- char* value; ///< Pointer to attribute value.
-
- xml_attribute_struct* prev_attribute; ///< Previous attribute
- xml_attribute_struct* next_attribute; ///< Next attribute
- };
-
- /// An XML document tree node.
- struct xml_node_struct
- {
- /// Default ctor
- /// \param type - node type
- xml_node_struct(xml_node_type type = node_element): type(type), name_insitu(true), value_insitu(true), document_order(0), parent(0), name(0), value(0), first_child(0), last_child(0), prev_sibling(0), next_sibling(0), first_attribute(0), last_attribute(0)
- {
- }
-
- void free()
- {
- if (!name_insitu) delete[] name;
- if (!value_insitu) delete[] value;
-
- for (xml_node_struct* cur = first_child; cur; cur = cur->next_sibling)
- cur->free();
-
- for (xml_attribute_struct* cur = first_attribute; cur; cur = cur->next_attribute)
- cur->free();
- }
-
- xml_node_struct* append_node(xml_allocator& alloc, xml_node_type type = node_element)
- {
- xml_node_struct* child = alloc.allocate<xml_node_struct>(type);
- child->parent = this;
-
- if (last_child)
- {
- last_child->next_sibling = child;
- child->prev_sibling = last_child;
- last_child = child;
- }
- else first_child = last_child = child;
-
- return child;
- }
-
- xml_attribute_struct* append_attribute(xml_allocator& alloc)
- {
- xml_attribute_struct* a = alloc.allocate<xml_attribute_struct>();
-
- if (last_attribute)
- {
- last_attribute->next_attribute = a;
- a->prev_attribute = last_attribute;
- last_attribute = a;
- }
- else first_attribute = last_attribute = a;
-
- return a;
- }
-
- unsigned int type : 3; ///< Node type; see xml_node_type.
- bool name_insitu : 1;
- bool value_insitu : 1;
- unsigned int document_order : 27; ///< Document order value
-
- xml_node_struct* parent; ///< Pointer to parent
-
- char* name; ///< Pointer to element name.
- char* value; ///< Pointer to any associated string data.
-
- xml_node_struct* first_child; ///< First child
- xml_node_struct* last_child; ///< Last child
-
- xml_node_struct* prev_sibling; ///< Left brother
- xml_node_struct* next_sibling; ///< Right brother
-
- xml_attribute_struct* first_attribute; ///< First attribute
- xml_attribute_struct* last_attribute; ///< Last attribute
- };
-
- struct xml_document_struct: public xml_node_struct
- {
- xml_document_struct(): xml_node_struct(node_document), allocator(0)
- {
- }
-
- xml_allocator allocator;
- };
-}
-
-namespace
-{
- using namespace pugi;
-
- const unsigned char UTF8_BYTE_MASK = 0xBF;
- const unsigned char UTF8_BYTE_MARK = 0x80;
- const unsigned char UTF8_BYTE_MASK_READ = 0x3F;
- const unsigned char UTF8_FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
-
- enum chartype
- {
- ct_parse_pcdata = 1, // \0, &, \r, <
- ct_parse_attr = 2, // \0, &, \r, ', "
- ct_parse_attr_ws = 4, // \0, &, \r, ', ", \n, space, tab
- ct_space = 8, // \r, \n, space, tab
- ct_parse_cdata = 16, // \0, ], >, \r
- ct_parse_comment = 32, // \0, -, >, \r
- ct_symbol = 64, // Any symbol > 127, a-z, A-Z, 0-9, _, :, -, .
- ct_start_symbol = 128 // Any symbol > 127, a-z, A-Z, _, :
- };
-
- const unsigned char chartype_table[256] =
- {
- 55, 0, 0, 0, 0, 0, 0, 0, 0, 12, 12, 0, 0, 63, 0, 0, // 0-15
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16-31
- 12, 0, 6, 0, 0, 0, 7, 6, 0, 0, 0, 0, 0, 96, 64, 0, // 32-47
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 192, 0, 1, 0, 48, 0, // 48-63
- 0, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 64-79
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 0, 0, 16, 0, 192, // 80-95
- 0, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 96-111
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 0, 0, 0, 0, 0, // 112-127
-
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 128+
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
- 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192
- };
-
- bool is_chartype(char c, chartype ct)
- {
- return !!(chartype_table[static_cast<unsigned char>(c)] & ct);
- }
-
- bool strcpy_insitu(char*& dest, bool& insitu, const char* source)
- {
- size_t source_size = strlen(source);
-
- if (dest && strlen(dest) >= source_size)
- {
- strcpy(dest, source);
-
- return true;
- }
- else
- {
- char* buf;
-
- try
- {
- buf = new char[source_size + 1];
- }
- catch (const std::bad_alloc&)
- {
- return false;
- }
-
- strcpy(buf, source);
-
- if (!insitu) delete[] dest;
-
- dest = buf;
- insitu = false;
-
- return true;
- }
- }
-
- // Get the size that is needed for strutf16_utf8 applied to all s characters
- size_t strutf16_utf8_size(const wchar_t* s)
- {
- size_t length = 0;
-
- for (; *s; ++s)
- {
- unsigned int ch = *s;
-
- if (ch < 0x80) length += 1;
- else if (ch < 0x800) length += 2;
- else if (ch < 0x10000) length += 3;
- else if (ch < 0x200000) length += 4;
- }
-
- return length;
- }
-
- // Write utf16 char to stream, return position after the last written char
- // \return position after last char
- char* strutf16_utf8(char* s, unsigned int ch)
- {
- unsigned int length;
-
- if (ch < 0x80) length = 1;
- else if (ch < 0x800) length = 2;
- else if (ch < 0x10000) length = 3;
- else if (ch < 0x200000) length = 4;
- else return s;
-
- s += length;
-
- // Scary scary fall throughs.
- switch (length)
- {
- case 4:
- *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
- ch >>= 6;
- case 3:
- *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
- ch >>= 6;
- case 2:
- *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
- ch >>= 6;
- case 1:
- *--s = (char)(ch | UTF8_FIRST_BYTE_MARK[length]);
- }
-
- return s + length;
- }
-
- // Get the size that is needed for strutf8_utf16 applied to all s characters
- size_t strutf8_utf16_size(const char* s)
- {
- size_t length = 0;
-
- for (; *s; ++s)
- {
- unsigned char ch = static_cast<unsigned char>(*s);
-
- if (ch < 0x80 || (ch >= 0xC0 && ch < 0xFC)) ++length;
- }
-
- return length;
- }
-
- // Read utf16 char from utf8 stream, return position after the last read char
- // \return position after the last char
- const char* strutf8_utf16(const char* s, unsigned int& ch)
- {
- unsigned int length;
-
- const unsigned char* str = reinterpret_cast<const unsigned char*>(s);
-
- if (*str < UTF8_BYTE_MARK)
- {
- ch = *str;
- return s + 1;
- }
- else if (*str < 0xC0)
- {
- ch = ' ';
- return s + 1;
- }
- else if (*str < 0xE0) length = 2;
- else if (*str < 0xF0) length = 3;
- else if (*str < 0xF8) length = 4;
- else if (*str < 0xFC) length = 5;
- else
- {
- ch = ' ';
- return s + 1;
- }
-
- ch = (*str++ & ~UTF8_FIRST_BYTE_MARK[length]);
-
- // Scary scary fall throughs.
- switch (length)
- {
- case 5:
- ch <<= 6;
- ch += (*str++ & UTF8_BYTE_MASK_READ);
- case 4:
- ch <<= 6;
- ch += (*str++ & UTF8_BYTE_MASK_READ);
- case 3:
- ch <<= 6;
- ch += (*str++ & UTF8_BYTE_MASK_READ);
- case 2:
- ch <<= 6;
- ch += (*str++ & UTF8_BYTE_MASK_READ);
- }
-
- return reinterpret_cast<const char*>(str);
- }
-
+#include <stdio.h>
+
+#include <new>
+
+#if !defined(PUGIXML_NO_XPATH) && defined(PUGIXML_NO_EXCEPTIONS)
+#error No exception mode can't be used with XPath support
+#endif
+
+#ifndef PUGIXML_NO_STL
+# include <fstream>
+#endif
+
+#ifdef _MSC_VER
+# pragma warning(disable: 4127) // conditional expression is constant
+# pragma warning(disable: 4996) // this function or variable may be unsafe
+#endif
+
+#ifdef __BORLANDC__
+# pragma warn -8008 // condition is always false
+# pragma warn -8066 // unreachable code
+#endif
+
+#ifdef __BORLANDC__
+// BC workaround
+using std::memmove;
+#endif
+
+#define STATIC_ASSERT(cond) { static const char condition_failed[(cond) ? 1 : -1] = {0}; (void)condition_failed[0]; }
+
+namespace pugi
+{
+ struct xml_document_struct;
+
+ class xml_allocator
+ {
+ public:
+ xml_allocator(xml_memory_block* root): _root(root)
+ {
+ }
+
+ xml_document_struct* allocate_document();
+ xml_node_struct* allocate_node(xml_node_type type);
+ xml_attribute_struct* allocate_attribute();
+
+ private:
+ xml_memory_block* _root;
+
+ void* memalloc(size_t size)
+ {
+ if (_root->size + size <= memory_block_size)
+ {
+ void* buf = _root->data + _root->size;
+ _root->size += size;
+ return buf;
+ }
+ else
+ {
+ _root->next = new xml_memory_block();
+ _root = _root->next;
+
+ _root->size = size;
+
+ return _root->data;
+ }
+ }
+ };
+
+ /// A 'name=value' XML attribute structure.
+ struct xml_attribute_struct
+ {
+ /// Default ctor
+ xml_attribute_struct(): name_insitu(true), value_insitu(true), document_order(0), name(0), value(0), prev_attribute(0), next_attribute(0)
+ {
+ }
+
+ void destroy()
+ {
+ if (!name_insitu) delete[] name;
+ if (!value_insitu) delete[] value;
+ }
+
+ bool name_insitu : 1;
+ bool value_insitu : 1;
+ unsigned int document_order : 30; ///< Document order value
+
+ char* name; ///< Pointer to attribute name.
+ char* value; ///< Pointer to attribute value.
+
+ xml_attribute_struct* prev_attribute; ///< Previous attribute
+ xml_attribute_struct* next_attribute; ///< Next attribute
+ };
+
+ /// An XML document tree node.
+ struct xml_node_struct
+ {
+ /// Default ctor
+ /// \param type - node type
+ xml_node_struct(xml_node_type type = node_element): type(type), name_insitu(true), value_insitu(true), document_order(0), parent(0), name(0), value(0), first_child(0), last_child(0), prev_sibling(0), next_sibling(0), first_attribute(0), last_attribute(0)
+ {
+ }
+
+ void destroy()
+ {
+ if (!name_insitu) delete[] name;
+ if (!value_insitu) delete[] value;
+
+ for (xml_attribute_struct* attr = first_attribute; attr; attr = attr->next_attribute)
+ attr->destroy();
+
+ for (xml_node_struct* node = first_child; node; node = node->next_sibling)
+ node->destroy();
+ }
+
+ xml_node_struct* append_node(xml_allocator& alloc, xml_node_type type = node_element)
+ {
+ xml_node_struct* child = alloc.allocate_node(type);
+ child->parent = this;
+
+ if (last_child)
+ {
+ last_child->next_sibling = child;
+ child->prev_sibling = last_child;
+ last_child = child;
+ }
+ else first_child = last_child = child;
+
+ return child;
+ }
+
+ xml_attribute_struct* append_attribute(xml_allocator& alloc)
+ {
+ xml_attribute_struct* a = alloc.allocate_attribute();
+
+ if (last_attribute)
+ {
+ last_attribute->next_attribute = a;
+ a->prev_attribute = last_attribute;
+ last_attribute = a;
+ }
+ else first_attribute = last_attribute = a;
+
+ return a;
+ }
+
+ unsigned int type : 3; ///< Node type; see xml_node_type.
+ bool name_insitu : 1;
+ bool value_insitu : 1;
+ unsigned int document_order : 27; ///< Document order value
+
+ xml_node_struct* parent; ///< Pointer to parent
+
+ char* name; ///< Pointer to element name.
+ char* value; ///< Pointer to any associated string data.
+
+ xml_node_struct* first_child; ///< First child
+ xml_node_struct* last_child; ///< Last child
+
+ xml_node_struct* prev_sibling; ///< Left brother
+ xml_node_struct* next_sibling; ///< Right brother
+
+ xml_attribute_struct* first_attribute; ///< First attribute
+ xml_attribute_struct* last_attribute; ///< Last attribute
+ };
+
+ struct xml_document_struct: public xml_node_struct
+ {
+ xml_document_struct(): xml_node_struct(node_document), allocator(0)
+ {
+ }
+
+ xml_allocator allocator;
+ };
+
+ xml_document_struct* xml_allocator::allocate_document()
+ {
+ return new(memalloc(sizeof(xml_document_struct))) xml_document_struct;
+ }
+
+ xml_node_struct* xml_allocator::allocate_node(xml_node_type type)
+ {
+ return new(memalloc(sizeof(xml_node_struct))) xml_node_struct(type);
+ }
+
+ xml_attribute_struct* xml_allocator::allocate_attribute()
+ {
+ return new(memalloc(sizeof(xml_attribute_struct))) xml_attribute_struct;
+ }
+}
+
+namespace
+{
+ using namespace pugi;
+
+ const unsigned char UTF8_BYTE_MASK = 0xBF;
+ const unsigned char UTF8_BYTE_MARK = 0x80;
+ const unsigned char UTF8_BYTE_MASK_READ = 0x3F;
+ const unsigned char UTF8_FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+
+ enum chartype
+ {
+ ct_parse_pcdata = 1, // \0, &, \r, <
+ ct_parse_attr = 2, // \0, &, \r, ', "
+ ct_parse_attr_ws = 4, // \0, &, \r, ', ", \n, space, tab
+ ct_space = 8, // \r, \n, space, tab
+ ct_parse_cdata = 16, // \0, ], >, \r
+ ct_parse_comment = 32, // \0, -, >, \r
+ ct_symbol = 64, // Any symbol > 127, a-z, A-Z, 0-9, _, :, -, .
+ ct_start_symbol = 128 // Any symbol > 127, a-z, A-Z, _, :
+ };
+
+ const unsigned char chartype_table[256] =
+ {
+ 55, 0, 0, 0, 0, 0, 0, 0, 0, 12, 12, 0, 0, 63, 0, 0, // 0-15
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16-31
+ 12, 0, 6, 0, 0, 0, 7, 6, 0, 0, 0, 0, 0, 96, 64, 0, // 32-47
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 192, 0, 1, 0, 48, 0, // 48-63
+ 0, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 64-79
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 0, 0, 16, 0, 192, // 80-95
+ 0, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 96-111
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 0, 0, 0, 0, 0, // 112-127
+
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, // 128+
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+ 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192
+ };
+
+ bool is_chartype(char c, chartype ct)
+ {
+ return !!(chartype_table[static_cast<unsigned char>(c)] & ct);
+ }
+
+ bool strcpy_insitu(char*& dest, bool& insitu, const char* source)
+ {
+ size_t source_size = strlen(source);
+
+ if (dest && strlen(dest) >= source_size)
+ {
+ strcpy(dest, source);
+
+ return true;
+ }
+ else
+ {
+ char* buf;
+
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ try
+ {
+ #endif
+ buf = new char[source_size + 1];
+ if (!buf) return false;
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ }
+ catch (const std::bad_alloc&)
+ {
+ return false;
+ }
+ #endif
+
+ strcpy(buf, source);
+
+ if (!insitu) delete[] dest;
+
+ dest = buf;
+ insitu = false;
+
+ return true;
+ }
+ }
+
+ // Get the size that is needed for strutf16_utf8 applied to all s characters
+ size_t strutf16_utf8_size(const wchar_t* s)
+ {
+ size_t length = 0;
+
+ for (; *s; ++s)
+ {
+ unsigned int ch = *s;
+
+ if (ch < 0x80) length += 1;
+ else if (ch < 0x800) length += 2;
+ else if (ch < 0x10000) length += 3;
+ else if (ch < 0x200000) length += 4;
+ }
+
+ return length;
+ }
+
+ // Write utf16 char to stream, return position after the last written char
+ // \return position after last char
+ char* strutf16_utf8(char* s, unsigned int ch)
+ {
+ unsigned int length;
+
+ if (ch < 0x80) length = 1;
+ else if (ch < 0x800) length = 2;
+ else if (ch < 0x10000) length = 3;
+ else if (ch < 0x200000) length = 4;
+ else return s;
+
+ s += length;
+
+ // Scary scary fall throughs.
+ switch (length)
+ {
+ case 4:
+ *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
+ ch >>= 6;
+ case 3:
+ *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
+ ch >>= 6;
+ case 2:
+ *--s = (char)((ch | UTF8_BYTE_MARK) & UTF8_BYTE_MASK);
+ ch >>= 6;
+ case 1:
+ *--s = (char)(ch | UTF8_FIRST_BYTE_MARK[length]);
+ }
+
+ return s + length;
+ }
+
+ // Get the size that is needed for strutf8_utf16 applied to all s characters
+ size_t strutf8_utf16_size(const char* s)
+ {
+ size_t length = 0;
+
+ for (; *s; ++s)
+ {
+ unsigned char ch = static_cast<unsigned char>(*s);
+
+ if (ch < 0x80 || (ch >= 0xC0 && ch < 0xFC)) ++length;
+ }
+
+ return length;
+ }
+
+ // Read utf16 char from utf8 stream, return position after the last read char
+ // \return position after the last char
+ const char* strutf8_utf16(const char* s, unsigned int& ch)
+ {
+ unsigned int length;
+
+ const unsigned char* str = reinterpret_cast<const unsigned char*>(s);
+
+ if (*str < UTF8_BYTE_MARK)
+ {
+ ch = *str;
+ return s + 1;
+ }
+ else if (*str < 0xC0)
+ {
+ ch = ' ';
+ return s + 1;
+ }
+ else if (*str < 0xE0) length = 2;
+ else if (*str < 0xF0) length = 3;
+ else if (*str < 0xF8) length = 4;
+ else if (*str < 0xFC) length = 5;
+ else
+ {
+ ch = ' ';
+ return s + 1;
+ }
+
+ ch = (*str++ & ~UTF8_FIRST_BYTE_MARK[length]);
+
+ // Scary scary fall throughs.
+ switch (length)
+ {
+ case 5:
+ ch <<= 6;
+ ch += (*str++ & UTF8_BYTE_MASK_READ);
+ case 4:
+ ch <<= 6;
+ ch += (*str++ & UTF8_BYTE_MASK_READ);
+ case 3:
+ ch <<= 6;
+ ch += (*str++ & UTF8_BYTE_MASK_READ);
+ case 2:
+ ch <<= 6;
+ ch += (*str++ & UTF8_BYTE_MASK_READ);
+ }
+
+ return reinterpret_cast<const char*>(str);
+ }
+
+ template <bool _1, bool _2> struct opt2_to_type
+ {
+ static const bool o1;
+ static const bool o2;
+ };
+
+ template <bool _1, bool _2> const bool opt2_to_type<_1, _2>::o1 = _1;
+ template <bool _1, bool _2> const bool opt2_to_type<_1, _2>::o2 = _2;
+
+ template <bool _1, bool _2, bool _3, bool _4> struct opt4_to_type
+ {
+ static const bool o1;
+ static const bool o2;
+ static const bool o3;
+ static const bool o4;
+ };
+
+ template <bool _1, bool _2, bool _3, bool _4> const bool opt4_to_type<_1, _2, _3, _4>::o1 = _1;
+ template <bool _1, bool _2, bool _3, bool _4> const bool opt4_to_type<_1, _2, _3, _4>::o2 = _2;
+ template <bool _1, bool _2, bool _3, bool _4> const bool opt4_to_type<_1, _2, _3, _4>::o3 = _3;
+ template <bool _1, bool _2, bool _3, bool _4> const bool opt4_to_type<_1, _2, _3, _4>::o4 = _4;
+
+#ifndef PUGIXML_NO_STL
+ template <typename opt2> void text_output_escaped(std::ostream& os, const char* s, opt2)
+ {
+ const bool attribute = opt2::o1;
+ const bool utf8 = opt2::o2;
+
+ while (*s)
+ {
+ const char* prev = s;
+
+ // While *s is a usual symbol
+ while (*s && *s != '&' && *s != '<' && *s != '>' && ((*s != '"' && *s != '\'') || !attribute)
+ && (*s >= 32 || (*s == '\r' && !attribute) || (*s == '\n' && !attribute) || *s == '\t'))
+ ++s;
+
+ if (prev != s) os.write(prev, static_cast<std::streamsize>(s - prev));
+
+ switch (*s)
+ {
+ case 0: break;
+ case '&':
+ os << "&amp;";
+ ++s;
+ break;
+ case '<':
+ os << "&lt;";
+ ++s;
+ break;
+ case '>':
+ os << "&gt;";
+ ++s;
+ break;
+ case '"':
+ os << "&quot;";
+ ++s;
+ break;
+ case '\'':
+ os << "&apos;";
+ ++s;
+ break;
+ case '\r':
+ os << "&#13;";
+ ++s;
+ break;
+ case '\n':
+ os << "&#10;";
+ ++s;
+ break;
+ default: // s is not a usual symbol
+ {
+ unsigned int ch;
+
+ if (utf8)
+ s = strutf8_utf16(s, ch);
+ else
+ ch = (unsigned char)*s++;
+
+ os << "&#" << ch << ";";
+ }
+ }
+ }
+ }
+#endif
+
+ struct gap
+ {
+ char* end;
+ size_t size;
+
+ gap(): end(0), size(0)
+ {
+ }
+
+ // Push new gap, move s count bytes further (skipping the gap).
+ // Collapse previous gap.
+ void push(char*& s, size_t count)
+ {
+ if (end) // there was a gap already; collapse it
+ {
+ // Move [old_gap_end, new_gap_start) to [old_gap_start, ...)
+ memmove(end - size, end, s - end);
+ }
+
+ s += count; // end of current gap
+
+ // "merge" two gaps
+ end = s;
+ size += count;
+ }
+
+ // Collapse all gaps, return past-the-end pointer
+ char* flush(char* s)
+ {
+ if (end)
+ {
+ // Move [old_gap_end, current_pos) to [old_gap_start, ...)
+ memmove(end - size, end, s - end);
+
+ return s - size;
+ }
+ else return s;
+ }
+ };
+
+ char* strconv_escape(char* s, gap& g)
+ {
+ char* stre = s + 1;
+
+ switch (*stre)
+ {
+ case '#': // &#...
+ {
+ unsigned int ucsc = 0;
+
+ ++stre;
+
+ if (*stre == 'x') // &#x... (hex code)
+ {
+ ++stre;
+
+ while (*stre)
+ {
+ if (*stre >= '0' && *stre <= '9')
+ ucsc = 16 * ucsc + (*stre++ - '0');
+ else if (*stre >= 'A' && *stre <= 'F')
+ ucsc = 16 * ucsc + (*stre++ - 'A' + 10);
+ else if (*stre >= 'a' && *stre <= 'f')
+ ucsc = 16 * ucsc + (*stre++ - 'a' + 10);
+ else if (*stre == ';')
+ break;
+ else // cancel
+ return stre;
+ }
+
+ if (*stre != ';') return stre;
+
+ ++stre;
+ }
+ else // &#... (dec code)
+ {
+ while (*stre >= '0' && *stre <= '9')
+ ucsc = 10 * ucsc + (*stre++ - '0');
+
+ if (*stre != ';') return stre;
+
+ ++stre;
+ }
+
+ s = strutf16_utf8(s, ucsc);
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ case 'a': // &a
+ {
+ ++stre;
+
+ if (*stre == 'm') // &am
+ {
+ if (*++stre == 'p' && *++stre == ';') // &amp;
+ {
+ *s++ = '&';
+ ++stre;
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ }
+ else if (*stre == 'p') // &ap
+ {
+ if (*++stre == 'o' && *++stre == 's' && *++stre == ';') // &apos;
+ {
+ *s++ = '\'';
+ ++stre;
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ }
+ break;
+ }
+ case 'g': // &g
+ {
+ if (*++stre == 't' && *++stre == ';') // &gt;
+ {
+ *s++ = '>';
+ ++stre;
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ break;
+ }
+ case 'l': // &l
+ {
+ if (*++stre == 't' && *++stre == ';') // &lt;
+ {
+ *s++ = '<';
+ ++stre;
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ break;
+ }
+ case 'q': // &q
+ {
+ if (*++stre == 'u' && *++stre == 'o' && *++stre == 't' && *++stre == ';') // &quot;
+ {
+ *s++ = '"';
+ ++stre;
+
+ g.push(s, stre - s);
+ return stre;
+ }
+ break;
+ }
+ }
+
+ return stre;
+ }
+
+ char* strconv_comment(char* s)
+ {
+ if (!*s) return 0;
+
+ gap g;
+
+ while (true)
+ {
+ while (!is_chartype(*s, ct_parse_comment)) ++s;
+
+ if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
+ {
+ *s++ = '\n'; // replace first one with 0x0a
+
+ if (*s == '\n') g.push(s, 1);
+ }
+ else if (*s == '-' && *(s+1) == '-' && *(s+2) == '>') // comment ends here
+ {
+ *g.flush(s) = 0;
+
+ return s + 3;
+ }
+ else if (*s == 0)
+ {
+ return 0;
+ }
+ else ++s;
+ }
+ }
+
+ char* strconv_cdata(char* s)
+ {
+ if (!*s) return 0;
+
+ gap g;
+
+ while (true)
+ {
+ while (!is_chartype(*s, ct_parse_cdata)) ++s;
+
+ if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
+ {
+ *s++ = '\n'; // replace first one with 0x0a
+
+ if (*s == '\n') g.push(s, 1);
+ }
+ else if (*s == ']' && *(s+1) == ']' && *(s+2) == '>') // CDATA ends here
+ {
+ *g.flush(s) = 0;
+
+ return s + 1;
+ }
+ else if (*s == 0)
+ {
+ return 0;
+ }
+ else ++s;
+ }
+ }
+
+ template <typename opt2> char* strconv_pcdata_t(char* s, opt2)
+ {
+ const bool opt_eol = opt2::o1;
+ const bool opt_escape = opt2::o2;
+
+ if (!*s) return 0;
+
+ gap g;
+
+ while (true)
+ {
+ while (!is_chartype(*s, ct_parse_pcdata)) ++s;
+
+ if (opt_eol && *s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
+ {
+ *s++ = '\n'; // replace first one with 0x0a
+
+ if (*s == '\n') g.push(s, 1);
+ }
+ else if (opt_escape && *s == '&')
+ {
+ s = strconv_escape(s, g);
+ }
+ else if (*s == '<') // PCDATA ends here
+ {
+ *g.flush(s) = 0;
+
+ return s + 1;
+ }
+ else if (*s == 0)
+ {
+ return s;
+ }
+ else ++s;
+ }
+ }
+
+ char* strconv_pcdata(char* s, unsigned int optmask)
+ {
+ STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20);
+
+ switch ((optmask >> 4) & 3) // get bitmask for flags (eol escapes)
+ {
+ case 0: return strconv_pcdata_t(s, opt2_to_type<0, 0>());
+ case 1: return strconv_pcdata_t(s, opt2_to_type<0, 1>());
+ case 2: return strconv_pcdata_t(s, opt2_to_type<1, 0>());
+ case 3: return strconv_pcdata_t(s, opt2_to_type<1, 1>());
+ default: return 0; // should not get here
+ }
+ }
+
+ template <typename opt4> char* strconv_attribute_t(char* s, char end_quote, opt4)
+ {
+ const bool opt_wconv = opt4::o1;
+ const bool opt_wnorm = opt4::o2;
+ const bool opt_eol = opt4::o3;
+ const bool opt_escape = opt4::o4;
+
+ if (!*s) return 0;
+
+ gap g;
+
+ // Trim whitespaces
+ if (opt_wnorm)
+ {
+ char* str = s;
+
+ while (is_chartype(*str, ct_space)) ++str;
+
+ if (str != s)
+ g.push(s, str - s);
+ }
+
+ while (true)
+ {
+ while (!is_chartype(*s, (opt_wnorm || opt_wconv) ? ct_parse_attr_ws : ct_parse_attr)) ++s;
+
+ if (opt_wnorm && is_chartype(*s, ct_space))
+ {
+ *s++ = ' ';
+
+ if (is_chartype(*s, ct_space))
+ {
+ char* str = s + 1;
+ while (is_chartype(*str, ct_space)) ++str;
+
+ g.push(s, str - s);
+ }
+ }
+ else if (opt_wconv && is_chartype(*s, ct_space))
+ {
+ if (opt_eol)
+ {
+ if (*s == '\r')
+ {
+ *s++ = ' ';
+
+ if (*s == '\n') g.push(s, 1);
+ }
+ else *s++ = ' ';
+ }
+ else *s++ = ' ';
+ }
+ else if (opt_eol && *s == '\r')
+ {
+ *s++ = '\n';
+
+ if (*s == '\n') g.push(s, 1);
+ }
+ else if (*s == end_quote)
+ {
+ char* str = g.flush(s);
+
+ if (opt_wnorm)
+ {
+ do *str-- = 0;
+ while (is_chartype(*str, ct_space));
+ }
+ else *str = 0;
+
+ return s + 1;
+ }
+ else if (opt_escape && *s == '&')
+ {
+ s = strconv_escape(s, g);
+ }
+ else if (!*s)
+ {
+ return 0;
+ }
+ else ++s;
+ }
+ }
+
+ char* strconv_attribute(char* s, char end_quote, unsigned int optmask)
+ {
+ STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20 && parse_wnorm_attribute == 0x40 && parse_wconv_attribute == 0x80);
+
+ switch ((optmask >> 4) & 15) // get bitmask for flags (wconv wnorm eol escapes)
+ {
+ case 0: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 0, 0, 0>());
+ case 1: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 0, 0, 1>());
+ case 2: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 0, 1, 0>());
+ case 3: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 0, 1, 1>());
+ case 4: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 1, 0, 0>());
+ case 5: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 1, 0, 1>());
+ case 6: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 1, 1, 0>());
+ case 7: return strconv_attribute_t(s, end_quote, opt4_to_type<0, 1, 1, 1>());
+ case 8: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 0, 0, 0>());
+ case 9: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 0, 0, 1>());
+ case 10: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 0, 1, 0>());
+ case 11: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 0, 1, 1>());
+ case 12: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 1, 0, 0>());
+ case 13: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 1, 0, 1>());
+ case 14: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 1, 1, 0>());
+ case 15: return strconv_attribute_t(s, end_quote, opt4_to_type<1, 1, 1, 1>());
+ default: return 0; // should not get here
+ }
+ }
+
+ struct xml_parser
+ {
+ xml_allocator& alloc;
+
+ // Parser utilities.
+ #define SKIPWS() { while (is_chartype(*s, ct_space)) ++s; }
+ #define OPTSET(OPT) ( optmsk & OPT )
+ #define PUSHNODE(TYPE) { cursor = cursor->append_node(alloc,TYPE); }
+ #define POPNODE() { cursor = cursor->parent; }
+ #define SCANFOR(X) { while (*s != 0 && !(X)) ++s; }
+ #define SCANWHILE(X) { while ((X)) ++s; }
+ #define ENDSEG() { ch = *s; *s = 0; ++s; }
+ #define CHECK_ERROR() { if (*s == 0) return false; }
+
+ xml_parser(xml_allocator& alloc): alloc(alloc)
+ {
+ }
+
+ bool parse(char* s, xml_node_struct* xmldoc, unsigned int optmsk = parse_default)
+ {
+ if (!s || !xmldoc) return false;
+
+ // UTF-8 BOM
+ if ((unsigned char)*s == 0xEF && (unsigned char)*(s+1) == 0xBB && (unsigned char)*(s+2) == 0xBF)
+ s += 3;
+
+ char ch = 0;
+ xml_node_struct* cursor = xmldoc;
+ char* mark = s;
+
+ while (*s != 0)
+ {
+ if (*s == '<')
+ {
+ ++s;
+
+ LOC_TAG:
+ if (*s == '?') // '<?...'
+ {
+ ++s;
+
+ if (!is_chartype(*s, ct_start_symbol)) // bad PI
+ return false;
+ else if (OPTSET(parse_pi))
+ {
+ mark = s;
+ SCANWHILE(is_chartype(*s, ct_symbol)); // Read PI target
+ CHECK_ERROR();
+
+ if (!is_chartype(*s, ct_space) && *s != '?') // Target has to end with space or ?
+ return false;
+
+ ENDSEG();
+ CHECK_ERROR();
+
+ if (ch == '?') // nothing except target present
+ {
+ if (*s != '>') return false;
+ ++s;
+
+ // stricmp / strcasecmp is not portable
+ if ((mark[0] == 'x' || mark[0] == 'X') && (mark[1] == 'm' || mark[1] == 'M')
+ && (mark[2] == 'l' || mark[2] == 'L') && mark[3] == 0)
+ {
+ }
+ else
+ {
+ PUSHNODE(node_pi); // Append a new node on the tree.
+
+ cursor->name = mark;
+
+ POPNODE();
+ }
+ }
+ // stricmp / strcasecmp is not portable
+ else if ((mark[0] == 'x' || mark[0] == 'X') && (mark[1] == 'm' || mark[1] == 'M')
+ && (mark[2] == 'l' || mark[2] == 'L') && mark[3] == 0)
+ {
+ SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
+ CHECK_ERROR();
+ s += 2;
+ }
+ else
+ {
+ PUSHNODE(node_pi); // Append a new node on the tree.
+
+ cursor->name = mark;
+
+ if (is_chartype(ch, ct_space))
+ {
+ SKIPWS();
+ CHECK_ERROR();
+
+ mark = s;
+ }
+ else mark = 0;
+
+ SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
+ CHECK_ERROR();
+
+ ENDSEG();
+ CHECK_ERROR();
+
+ ++s; // Step over >
+
+ cursor->value = mark;
+
+ POPNODE();
+ }
+ }
+ else // not parsing PI
+ {
+ SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
+ CHECK_ERROR();
+
+ s += 2;
+ }
+ }
+ else if (*s == '!') // '<!...'
+ {
+ ++s;
+
+ if (*s == '-') // '<!-...'
+ {
+ ++s;
+
+ if (*s == '-') // '<!--...'
+ {
+ ++s;
+
+ if (OPTSET(parse_comments))
+ {
+ PUSHNODE(node_comment); // Append a new node on the tree.
+ cursor->value = s; // Save the offset.
+ }
+
+ if (OPTSET(parse_eol) && OPTSET(parse_comments))
+ {
+ s = strconv_comment(s);
+
+ if (!s) return false;
+ }
+ else
+ {
+ // Scan for terminating '-->'.
+ SCANFOR(*s == '-' && *(s+1) == '-' && *(s+2) == '>');
+ CHECK_ERROR();
+
+ if (OPTSET(parse_comments))
+ *s = 0; // Zero-terminate this segment at the first terminating '-'.
+
+ s += 3; // Step over the '\0->'.
+ }
+
+ if (OPTSET(parse_comments))
+ {
+ POPNODE(); // Pop since this is a standalone.
+ }
+ }
+ else return false;
+ }
+ else if(*s == '[')
+ {
+ // '<![CDATA[...'
+ if(*++s=='C' && *++s=='D' && *++s=='A' && *++s=='T' && *++s=='A' && *++s == '[')
+ {
+ ++s;
+
+ if (OPTSET(parse_cdata))
+ {
+ PUSHNODE(node_cdata); // Append a new node on the tree.
+ cursor->value = s; // Save the offset.
+
+ if (OPTSET(parse_eol))
+ {
+ s = strconv_cdata(s);
+
+ if (!s) return false;
+ }
+ else
+ {
+ // Scan for terminating ']]>'.
+ SCANFOR(*s == ']' && *(s+1) == ']' && *(s+2) == '>');
+ CHECK_ERROR();
+
+ ENDSEG(); // Zero-terminate this segment.
+ CHECK_ERROR();
+ }
+
+ POPNODE(); // Pop since this is a standalone.
+ }
+ else // Flagged for discard, but we still have to scan for the terminator.
+ {
+ // Scan for terminating ']]>'.
+ SCANFOR(*s == ']' && *(s+1) == ']' && *(s+2) == '>');
+ CHECK_ERROR();
+
+ ++s;
+ }
+
+ s += 2; // Step over the last ']>'.
+ }
+ else return false;
+ }
+ else if (*s=='D' && *++s=='O' && *++s=='C' && *++s=='T' && *++s=='Y' && *++s=='P' && *++s=='E')
+ {
+ ++s;
+
+ SKIPWS(); // Eat any whitespace.
+ CHECK_ERROR();
+
+ LOC_DOCTYPE:
+ SCANFOR(*s == '\'' || *s == '"' || *s == '[' || *s == '>');
+ CHECK_ERROR();
+
+ if (*s == '\'' || *s == '"') // '...SYSTEM "..."
+ {
+ ch = *s++;
+ SCANFOR(*s == ch);
+ CHECK_ERROR();
+
+ ++s;
+ goto LOC_DOCTYPE;
+ }
+
+ if(*s == '[') // '...[...'
+ {
+ ++s;
+ unsigned int bd = 1; // Bracket depth counter.
+ while (*s!=0) // Loop till we're out of all brackets.
+ {
+ if (*s == ']') --bd;
+ else if (*s == '[') ++bd;
+ if (bd == 0) break;
+ ++s;
+ }
+ }
+
+ SCANFOR(*s == '>');
+ CHECK_ERROR();
+
+ ++s;
+ }
+ else return false;
+ }
+ else if (is_chartype(*s, ct_start_symbol)) // '<#...'
+ {
+ PUSHNODE(node_element); // Append a new node to the tree.
+
+ cursor->name = s;
+
+ SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
+ CHECK_ERROR();
+
+ ENDSEG(); // Save char in 'ch', terminate & step over.
+ CHECK_ERROR();
+
+ if (ch == '/') // '<#.../'
+ {
+ if (*s != '>') return false;
+
+ POPNODE(); // Pop.
+
+ ++s;
+ }
+ else if (ch == '>')
+ {
+ // end of tag
+ }
+ else if (is_chartype(ch, ct_space))
+ {
+ while (*s)
+ {
+ SKIPWS(); // Eat any whitespace.
+ CHECK_ERROR();
+
+ if (is_chartype(*s, ct_start_symbol)) // <... #...
+ {
+ xml_attribute_struct* a = cursor->append_attribute(alloc); // Make space for this attribute.
+ a->name = s; // Save the offset.
+
+ SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
+ CHECK_ERROR();
+
+ ENDSEG(); // Save char in 'ch', terminate & step over.
+ CHECK_ERROR();
+
+ if (is_chartype(ch, ct_space))
+ {
+ SKIPWS(); // Eat any whitespace.
+ CHECK_ERROR();
+
+ ch = *s;
+ ++s;
+ }
+
+ if (ch == '=') // '<... #=...'
+ {
+ SKIPWS(); // Eat any whitespace.
+ CHECK_ERROR();
+
+ if (*s == '\'' || *s == '"') // '<... #="...'
+ {
+ ch = *s; // Save quote char to avoid breaking on "''" -or- '""'.
+ ++s; // Step over the quote.
+ a->value = s; // Save the offset.
+
+ s = strconv_attribute(s, ch, optmsk);
+
+ if (!s) return false;
+
+ // After this line the loop continues from the start;
+ // Whitespaces, / and > are ok, symbols are wrong,
+ // everything else will be detected
+ if (is_chartype(*s, ct_start_symbol)) return false;
+ }
+ else return false;
+ }
+ else return false;
+ }
+ else if (*s == '/')
+ {
+ ++s;
+
+ if (*s != '>') return false;
+
+ POPNODE(); // Pop.
+
+ ++s;
+
+ break;
+ }
+ else if (*s == '>')
+ {
+ ++s;
+
+ break;
+ }
+ else return false;
+ }
+ }
+ else return false;
+ }
+ else if (*s == '/')
+ {
+ ++s;
+
+ if (!cursor) return false;
+
+ char* name = cursor->name;
+ if (!name) return false;
+
+ while (*s && is_chartype(*s, ct_symbol))
+ {
+ if (*s++ != *name++) return false;
+ }
+
+ if (*name) return false;
+
+ POPNODE(); // Pop.
+
+ SKIPWS();
+ CHECK_ERROR();
+
+ if (*s != '>') return false;
+ ++s;
+ }
+ else return false;
+ }
+ else
+ {
+ mark = s; // Save this offset while searching for a terminator.
+
+ SKIPWS(); // Eat whitespace if no genuine PCDATA here.
+
+ if ((mark == s || !OPTSET(parse_ws_pcdata)) && (!*s || *s == '<'))
+ {
+ continue;
+ }
+
+ s = mark;
+
+ if (static_cast<xml_node_type>(cursor->type) != node_document)
+ {
+ PUSHNODE(node_pcdata); // Append a new node on the tree.
+ cursor->value = s; // Save the offset.
+
+ s = strconv_pcdata(s, optmsk);
+
+ if (!s) return false;
+
+ POPNODE(); // Pop since this is a standalone.
+
+ if (!*s) break;
+ }
+ else
+ {
+ SCANFOR(*s == '<'); // '...<'
+ if (!*s) break;
+
+ ++s;
+ }
+
+ // We're after '<'
+ goto LOC_TAG;
+ }
+ }
+
+ if (cursor != xmldoc) return false;
+
+ return true;
+ }
+
+ private:
+ xml_parser(const xml_parser&);
+ const xml_parser& operator=(const xml_parser&);
+ };
+
+ // Compare lhs with [rhs_begin, rhs_end)
+ int strcmprange(const char* lhs, const char* rhs_begin, const char* rhs_end)
+ {
+ while (*lhs && rhs_begin != rhs_end && *lhs == *rhs_begin)
+ {
+ ++lhs;
+ ++rhs_begin;
+ }
+
+ if (rhs_begin == rhs_end && *lhs == 0) return 0;
+ else return 1;
+ }
+
+ // Character set pattern match.
+ int strcmpwild_cset(const char** src, const char** dst)
+ {
+ int find = 0, excl = 0, star = 0;
+
+ if (**src == '!')
+ {
+ excl = 1;
+ ++(*src);
+ }
+
+ while (**src != ']' || star == 1)
+ {
+ if (find == 0)
+ {
+ if (**src == '-' && *(*src-1) < *(*src+1) && *(*src+1) != ']' && star == 0)
+ {
+ if (**dst >= *(*src-1) && **dst <= *(*src+1))
+ {
+ find = 1;
+ ++(*src);
+ }
+ }
+ else if (**src == **dst) find = 1;
+ }
+ ++(*src);
+ star = 0;
+ }
+
+ if (excl == 1) find = (1 - find);
+ if (find == 1) ++(*dst);
+
+ return find;
+ }
+
+ // Wildcard pattern match.
+ int strcmpwild_astr(const char** src, const char** dst)
+ {
+ int find = 1;
+ ++(*src);
+ while ((**dst != 0 && **src == '?') || **src == '*')
+ {
+ if(**src == '?') ++(*dst);
+ ++(*src);
+ }
+ while (**src == '*') ++(*src);
+ if (**dst == 0 && **src != 0) return 0;
+ if (**dst == 0 && **src == 0) return 1;
+ else
+ {
+ if (impl::strcmpwild(*src,*dst))
+ {
+ do
+ {
+ ++(*dst);
+ while(**src != **dst && **src != '[' && **dst != 0)
+ ++(*dst);
+ }
+ while ((**dst != 0) ? impl::strcmpwild(*src,*dst) : 0 != (find=0));
+ }
+ if (**dst == 0 && **src == 0) find = 1;
+ return find;
+ }
+ }
+}
+
+namespace pugi
+{
+ namespace impl
+ {
+ // Compare two strings, with globbing, and character sets.
+ int strcmpwild(const char* src, const char* dst)
+ {
+ int find = 1;
+ for(; *src != 0 && find == 1 && *dst != 0; ++src)
+ {
+ switch (*src)
+ {
+ case '?': ++dst; break;
+ case '[': ++src; find = strcmpwild_cset(&src,&dst); break;
+ case '*': find = strcmpwild_astr(&src,&dst); --src; break;
+ default : find = (int) (*src == *dst); ++dst;
+ }
+ }
+ while (*src == '*' && find == 1) ++src;
+ return (find == 1 && *dst == 0 && *src == 0) ? 0 : 1;
+ }
+ }
+
+ xml_tree_walker::xml_tree_walker(): _depth(0)
+ {
+ }
+
+ xml_tree_walker::~xml_tree_walker()
+ {
+ }
+
+ int xml_tree_walker::depth() const
+ {
+ return _depth;
+ }
+
+ bool xml_tree_walker::begin(xml_node&)
+ {
+ return true;
+ }
+
+ bool xml_tree_walker::end(xml_node&)
+ {
+ return true;
+ }
+
+ xml_attribute::xml_attribute(): _attr(0)
+ {
+ }
+
+ xml_attribute::xml_attribute(xml_attribute_struct* attr): _attr(attr)
+ {
+ }
+
+#ifdef __MWERKS__
+ xml_attribute::operator xml_attribute::unspecified_bool_type() const
+ {
+ return empty() ? 0 : &xml_attribute::empty;
+ }
+#else
+ xml_attribute::operator xml_attribute::unspecified_bool_type() const
+ {
+ return empty() ? 0 : &xml_attribute::_attr;
+ }
+#endif
+
+ bool xml_attribute::operator!() const
+ {
+ return empty();
+ }
+
+ bool xml_attribute::operator==(const xml_attribute& r) const
+ {
+ return (_attr == r._attr);
+ }
+
+ bool xml_attribute::operator!=(const xml_attribute& r) const
+ {
+ return (_attr != r._attr);
+ }
+
+ bool xml_attribute::operator<(const xml_attribute& r) const
+ {
+ return (_attr < r._attr);
+ }
+
+ bool xml_attribute::operator>(const xml_attribute& r) const
+ {
+ return (_attr > r._attr);
+ }
+
+ bool xml_attribute::operator<=(const xml_attribute& r) const
+ {
+ return (_attr <= r._attr);
+ }
+
+ bool xml_attribute::operator>=(const xml_attribute& r) const
+ {
+ return (_attr >= r._attr);
+ }
+
+ xml_attribute xml_attribute::next_attribute() const
+ {
+ return _attr ? xml_attribute(_attr->next_attribute) : xml_attribute();
+ }
+
+ xml_attribute xml_attribute::previous_attribute() const
+ {
+ return _attr ? xml_attribute(_attr->prev_attribute) : xml_attribute();
+ }
+
+ int xml_attribute::as_int() const
+ {
+ if(empty() || !_attr->value) return 0;
+ return atoi(_attr->value);
+ }
+
+ double xml_attribute::as_double() const
+ {
+ if(empty() || !_attr->value) return 0.0;
+ return atof(_attr->value);
+ }
+
+ float xml_attribute::as_float() const
+ {
+ if(empty() || !_attr->value) return 0.0f;
+ return (float)atof(_attr->value);
+ }
+
+ bool xml_attribute::as_bool() const
+ {
+ if(empty() || !_attr->value) return false;
+ if(*(_attr->value))
+ {
+ return // Only look at first char:
+ (
+ *(_attr->value) == '1' || // 1*
+ *(_attr->value) == 't' || // t* (true)
+ *(_attr->value) == 'T' || // T* (true|true)
+ *(_attr->value) == 'y' || // y* (yes)
+ *(_attr->value) == 'Y' // Y* (Yes|YES)
+ )
+ ? true : false; // Return true if matches above, else false.
+ }
+ else return false;
+ }
+
+ bool xml_attribute::empty() const
+ {
+ return (_attr == 0);
+ }
+
+ const char* xml_attribute::name() const
+ {
+ return (!empty() && _attr->name) ? _attr->name : "";
+ }
+
+ const char* xml_attribute::value() const
+ {
+ return (!empty() && _attr->value) ? _attr->value : "";
+ }
+
+ unsigned int xml_attribute::document_order() const
+ {
+ return empty() ? 0 : _attr->document_order;
+ }
+
+ xml_attribute& xml_attribute::operator=(const char* rhs)
+ {
+ set_value(rhs);
+ return *this;
+ }
+
+ xml_attribute& xml_attribute::operator=(int rhs)
+ {
+ char buf[128];
+ sprintf(buf, "%d", rhs);
+ set_value(buf);
+ return *this;
+ }
+
+ xml_attribute& xml_attribute::operator=(double rhs)
+ {
+ char buf[128];
+ sprintf(buf, "%g", rhs);
+ set_value(buf);
+ return *this;
+ }
+
+ xml_attribute& xml_attribute::operator=(bool rhs)
+ {
+ set_value(rhs ? "true" : "false");
+ return *this;
+ }
+
+ bool xml_attribute::set_name(const char* rhs)
+ {
+ if (empty()) return false;
+
+ bool insitu = _attr->name_insitu;
+ bool res = strcpy_insitu(_attr->name, insitu, rhs);
+ _attr->name_insitu = insitu;
+
+ return res;
+ }
+
+ bool xml_attribute::set_value(const char* rhs)
+ {
+ if (empty()) return false;
+
+ bool insitu = _attr->value_insitu;
+ bool res = strcpy_insitu(_attr->value, insitu, rhs);
+ _attr->value_insitu = insitu;
+
+ return res;
+ }
+
+#ifdef __BORLANDC__
+ bool operator&&(const xml_attribute& lhs, bool rhs)
+ {
+ return lhs ? rhs : false;
+ }
+
+ bool operator||(const xml_attribute& lhs, bool rhs)
+ {
+ return lhs ? true : rhs;
+ }
+#endif
+
+ xml_node::xml_node(): _root(0)
+ {
+ }
+
+ xml_node::xml_node(xml_node_struct* p): _root(p)
+ {
+ }
+
+#ifdef __MWERKS__
+ xml_node::operator xml_node::unspecified_bool_type() const
+ {
+ return empty() ? 0 : &xml_node::empty;
+ }
+#else
+ xml_node::operator xml_node::unspecified_bool_type() const
+ {
+ return empty() ? 0 : &xml_node::_root;
+ }
+#endif
+
+ bool xml_node::operator!() const
+ {
+ return empty();
+ }
+
+ xml_node::iterator xml_node::begin() const
+ {
+ return iterator(_root->first_child);
+ }
+
+ xml_node::iterator xml_node::end() const
+ {
+ return iterator(0, _root->last_child);
+ }
+
+ xml_node::attribute_iterator xml_node::attributes_begin() const
+ {
+ return attribute_iterator(_root->first_attribute);
+ }
+
+ xml_node::attribute_iterator xml_node::attributes_end() const
+ {
+ return attribute_iterator(0, _root->last_attribute);
+ }
+
+ bool xml_node::operator==(const xml_node& r) const
+ {
+ return (_root == r._root);
+ }
+
+ bool xml_node::operator!=(const xml_node& r) const
+ {
+ return (_root != r._root);
+ }
+
+ bool xml_node::operator<(const xml_node& r) const
+ {
+ return (_root < r._root);
+ }
+
+ bool xml_node::operator>(const xml_node& r) const
+ {
+ return (_root > r._root);
+ }
+
+ bool xml_node::operator<=(const xml_node& r) const
+ {
+ return (_root <= r._root);
+ }
+
+ bool xml_node::operator>=(const xml_node& r) const
+ {
+ return (_root >= r._root);
+ }
+
+ bool xml_node::empty() const
+ {
+ return (_root == 0);
+ }
+
+ xml_allocator& xml_node::get_allocator() const
+ {
+ xml_node_struct* r = root()._root;
+
+ return static_cast<xml_document_struct*>(r)->allocator;
+ }
+
+ const char* xml_node::name() const
+ {
+ return (!empty() && _root->name) ? _root->name : "";
+ }
+
+ xml_node_type xml_node::type() const
+ {
+ return _root ? static_cast<xml_node_type>(_root->type) : node_null;
+ }
+
+ const char* xml_node::value() const
+ {
+ return (!empty() && _root->value) ? _root->value : "";
+ }
+
+ xml_node xml_node::child(const char* name) const
+ {
+ if (!empty())
+ for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
+ if (i->name && !strcmp(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_node xml_node::child_w(const char* name) const
+ {
+ if (!empty())
+ for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
+ if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_attribute xml_node::attribute(const char* name) const
+ {
+ if (!_root) return xml_attribute();
+
+ for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
+ if (i->name && !strcmp(name, i->name))
+ return xml_attribute(i);
+
+ return xml_attribute();
+ }
+
+ xml_attribute xml_node::attribute_w(const char* name) const
+ {
+ if (!_root) return xml_attribute();
+
+ for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
+ if (i->name && !impl::strcmpwild(name, i->name))
+ return xml_attribute(i);
+
+ return xml_attribute();
+ }
+
+ xml_node xml_node::next_sibling(const char* name) const
+ {
+ if(empty()) return xml_node();
+
+ for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
+ if (i->name && !strcmp(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_node xml_node::next_sibling_w(const char* name) const
+ {
+ if(empty()) return xml_node();
+
+ for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
+ if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_node xml_node::next_sibling() const
+ {
+ if(empty()) return xml_node();
+
+ if (_root->next_sibling) return xml_node(_root->next_sibling);
+ else return xml_node();
+ }
+
+ xml_node xml_node::previous_sibling(const char* name) const
+ {
+ if (empty()) return xml_node();
+
+ for (xml_node_struct* i = _root->prev_sibling; i; i = i->prev_sibling)
+ if (i->name && !strcmp(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_node xml_node::previous_sibling_w(const char* name) const
+ {
+ if (empty()) return xml_node();
+
+ for (xml_node_struct* i = _root->prev_sibling; i; i = i->prev_sibling)
+ if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
+
+ return xml_node();
+ }
+
+ xml_node xml_node::previous_sibling() const
+ {
+ if(empty()) return xml_node();
+
+ if (_root->prev_sibling) return xml_node(_root->prev_sibling);
+ else return xml_node();
+ }
+
+ xml_node xml_node::parent() const
+ {
+ return empty() ? xml_node() : xml_node(_root->parent);
+ }
+
+ xml_node xml_node::root() const
+ {
+ xml_node r = *this;
+ while (r && r.parent()) r = r.parent();
+ return r;
+ }
+
+ const char* xml_node::child_value() const
+ {
+ if (!empty())
+ for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
+ if ((static_cast<xml_node_type>(i->type) == node_pcdata || static_cast<xml_node_type>(i->type) == node_cdata) && i->value)
+ return i->value;
+ return "";
+ }
+
+ const char* xml_node::child_value(const char* name) const
+ {
+ return child(name).child_value();
+ }
+
+ const char* xml_node::child_value_w(const char* name) const
+ {
+ return child_w(name).child_value();
+ }
+
+ xml_attribute xml_node::first_attribute() const
+ {
+ return _root ? xml_attribute(_root->first_attribute) : xml_attribute();
+ }
+
+ xml_attribute xml_node::last_attribute() const
+ {
+ return _root ? xml_attribute(_root->last_attribute) : xml_attribute();
+ }
+
+ xml_node xml_node::first_child() const
+ {
+ if (_root) return xml_node(_root->first_child);
+ else return xml_node();
+ }
+
+ xml_node xml_node::last_child() const
+ {
+ if (_root) return xml_node(_root->last_child);
+ else return xml_node();
+ }
+
+ bool xml_node::set_name(const char* rhs)
+ {
+ switch (type())
+ {
+ case node_pi:
+ case node_element:
+ {
+ bool insitu = _root->name_insitu;
+ bool res = strcpy_insitu(_root->name, insitu, rhs);
+ _root->name_insitu = insitu;
+
+ return res;
+ }
+
+ default:
+ return false;
+ }
+ }
+
+ bool xml_node::set_value(const char* rhs)
+ {
+ switch (type())
+ {
+ case node_pi:
+ case node_cdata:
+ case node_pcdata:
+ case node_comment:
+ {
+ bool insitu = _root->value_insitu;
+ bool res = strcpy_insitu(_root->value, insitu, rhs);
+ _root->value_insitu = insitu;
+
+ return res;
+ }
+
+ default:
+ return false;
+ }
+ }
+
+ xml_attribute xml_node::append_attribute(const char* name)
+ {
+ if (type() != node_element) return xml_attribute();
+
+ xml_attribute a(_root->append_attribute(get_allocator()));
+ a.set_name(name);
+
+ return a;
+ }
+
+ xml_attribute xml_node::insert_attribute_before(const char* name, const xml_attribute& attr)
+ {
+ if (type() != node_element || attr.empty()) return xml_attribute();
+
+ // check that attribute belongs to *this
+ xml_attribute_struct* cur = attr._attr;
+
+ while (cur->prev_attribute) cur = cur->prev_attribute;
+
+ if (cur != _root->first_attribute) return xml_attribute();
+
+ xml_attribute a(get_allocator().allocate_attribute());
+ a.set_name(name);
+
+ if (attr._attr->prev_attribute)
+ attr._attr->prev_attribute->next_attribute = a._attr;
+ else
+ _root->first_attribute = a._attr;
+
+ a._attr->prev_attribute = attr._attr->prev_attribute;
+ a._attr->next_attribute = attr._attr;
+ attr._attr->prev_attribute = a._attr;
+
+ return a;
+ }
+
+ xml_attribute xml_node::insert_attribute_after(const char* name, const xml_attribute& attr)
+ {
+ if (type() != node_element || attr.empty()) return xml_attribute();
+
+ // check that attribute belongs to *this
+ xml_attribute_struct* cur = attr._attr;
+
+ while (cur->prev_attribute) cur = cur->prev_attribute;
+
+ if (cur != _root->first_attribute) return xml_attribute();
+
+ xml_attribute a(get_allocator().allocate_attribute());
+ a.set_name(name);
+
+ if (attr._attr->next_attribute)
+ attr._attr->next_attribute->prev_attribute = a._attr;
+ else
+ _root->last_attribute = a._attr;
+
+ a._attr->next_attribute = attr._attr->next_attribute;
+ a._attr->prev_attribute = attr._attr;
+ attr._attr->next_attribute = a._attr;
+
+ return a;
+ }
+
+ xml_node xml_node::append_child(xml_node_type type)
+ {
+ if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
+
+ return xml_node(_root->append_node(get_allocator(), type));
+ }
+
+ xml_node xml_node::insert_child_before(xml_node_type type, const xml_node& node)
+ {
+ if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
+ if (node.parent() != *this) return xml_node();
+
+ xml_node n(get_allocator().allocate_node(type));
+ n._root->parent = _root;
+
+ if (node._root->prev_sibling)
+ node._root->prev_sibling->next_sibling = n._root;
+ else
+ _root->first_child = n._root;
+
+ n._root->prev_sibling = node._root->prev_sibling;
+ n._root->next_sibling = node._root;
+ node._root->prev_sibling = n._root;
+
+ return n;
+ }
+
+ xml_node xml_node::insert_child_after(xml_node_type type, const xml_node& node)
+ {
+ if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
+ if (node.parent() != *this) return xml_node();
+
+ xml_node n(get_allocator().allocate_node(type));
+ n._root->parent = _root;
+
+ if (node._root->next_sibling)
+ node._root->next_sibling->prev_sibling = n._root;
+ else
+ _root->last_child = n._root;
+
+ n._root->next_sibling = node._root->next_sibling;
+ n._root->prev_sibling = node._root;
+ node._root->next_sibling = n._root;
+
+ return n;
+ }
+
+ void xml_node::remove_attribute(const char* name)
+ {
+ remove_attribute(attribute(name));
+ }
+
+ void xml_node::remove_attribute(const xml_attribute& a)
+ {
+ if (empty()) return;
+
+ // check that attribute belongs to *this
+ xml_attribute_struct* attr = a._attr;
+
+ while (attr->prev_attribute) attr = attr->prev_attribute;
+
+ if (attr != _root->first_attribute) return;
+
+ if (a._attr->next_attribute) a._attr->next_attribute->prev_attribute = a._attr->prev_attribute;
+ else _root->last_attribute = a._attr->prev_attribute;
+
+ if (a._attr->prev_attribute) a._attr->prev_attribute->next_attribute = a._attr->next_attribute;
+ else _root->first_attribute = a._attr->next_attribute;
+
+ a._attr->destroy();
+ }
+
+ void xml_node::remove_child(const char* name)
+ {
+ remove_child(child(name));
+ }
+
+ void xml_node::remove_child(const xml_node& n)
+ {
+ if (empty() || n.parent() != *this) return;
+
+ if (n._root->next_sibling) n._root->next_sibling->prev_sibling = n._root->prev_sibling;
+ else _root->last_child = n._root->prev_sibling;
+
+ if (n._root->prev_sibling) n._root->prev_sibling->next_sibling = n._root->next_sibling;
+ else _root->first_child = n._root->next_sibling;
+
+ n._root->destroy();
+ }
+
+#ifndef PUGIXML_NO_STL
+ std::string xml_node::path(char delimiter) const
+ {
+ std::string path;
+
+ xml_node cursor = *this; // Make a copy.
+
+ path = cursor.name();
+
+ while (cursor.parent())
+ {
+ cursor = cursor.parent();
+
+ std::string temp = cursor.name();
+ temp += delimiter;
+ temp += path;
+ path.swap(temp);
+ }
+
+ return path;
+ }
+#endif
+
+ xml_node xml_node::first_element_by_path(const char* path, char delimiter) const
+ {
+ xml_node found = *this; // Current search context.
+
+ if (empty() || !path || !path[0]) return found;
+
+ if (path[0] == delimiter)
+ {
+ // Absolute path; e.g. '/foo/bar'
+ while (found.parent()) found = found.parent();
+ ++path;
+ }
+
+ const char* path_segment = path;
+
+ while (*path_segment == delimiter) ++path_segment;
+
+ const char* path_segment_end = path_segment;
+
+ while (*path_segment_end && *path_segment_end != delimiter) ++path_segment_end;
+
+ if (path_segment == path_segment_end) return found;
+
+ const char* next_segment = path_segment_end;
+
+ while (*next_segment == delimiter) ++next_segment;
+
+ if (*path_segment == '.' && path_segment + 1 == path_segment_end)
+ return found.first_element_by_path(next_segment, delimiter);
+ else if (*path_segment == '.' && *(path_segment+1) == '.' && path_segment + 2 == path_segment_end)
+ return found.parent().first_element_by_path(next_segment, delimiter);
+ else
+ {
+ for (xml_node_struct* j = found._root->first_child; j; j = j->next_sibling)
+ {
+ if (j->name && !strcmprange(j->name, path_segment, path_segment_end))
+ {
+ xml_node subsearch = xml_node(j).first_element_by_path(next_segment, delimiter);
+
+ if (subsearch) return subsearch;
+ }
+ }
+
+ return xml_node();
+ }
+ }
+
+ bool xml_node::traverse(xml_tree_walker& walker)
+ {
+ walker._depth = 0;
+
+ if (!walker.begin(*this)) return false;
+
+ xml_node cur = first_child();
+
+ if (cur)
+ {
+ do
+ {
+ if (!walker.for_each(cur))
+ return false;
+
+ if (cur.first_child())
+ {
+ ++walker._depth;
+ cur = cur.first_child();
+ }
+ else if (cur.next_sibling())
+ cur = cur.next_sibling();
+ else
+ {
+ // Borland C++ workaround
+ while (!cur.next_sibling() && cur != *this && (bool)cur.parent())
+ {
+ --walker._depth;
+ cur = cur.parent();
+ }
+
+ if (cur != *this)
+ cur = cur.next_sibling();
+ }
+ }
+ while (cur && cur != *this);
+ }
+
+ if (!walker.end(*this)) return false;
+
+ return true;
+ }
+
+ unsigned int xml_node::document_order() const
+ {
+ return empty() ? 0 : _root->document_order;
+ }
+
+ void xml_node::precompute_document_order_impl()
+ {
+ if (type() != node_document) return;
+
+ unsigned int current = 1;
+ xml_node cur = *this;
+
+ for (;;)
+ {
+ cur._root->document_order = current++;
+
+ for (xml_attribute a = cur.first_attribute(); a; a = a.next_attribute())
+ a._attr->document_order = current++;
+
+ if (cur.first_child())
+ cur = cur.first_child();
+ else if (cur.next_sibling())
+ cur = cur.next_sibling();
+ else
+ {
+ while (cur && !cur.next_sibling()) cur = cur.parent();
+ cur = cur.next_sibling();
+
+ if (!cur) break;
+ }
+ }
+ }
+
+#ifndef PUGIXML_NO_STL
+ void xml_node::print(std::ostream& os, const char* indent, unsigned int flags, unsigned int depth)
+ {
+ if (empty()) return;
+
+ if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
+ for (unsigned int i = 0; i < depth; ++i) os << indent;
+
+ switch (type())
+ {
+ case node_document:
+ {
+ for (xml_node n = first_child(); n; n = n.next_sibling())
+ n.print(os, indent, flags, depth);
+ break;
+ }
+
+ case node_element:
+ {
+ os << '<' << name();
+
+ for (xml_attribute a = first_attribute(); a; a = a.next_attribute())
+ {
+ os << ' ' << a.name() << "=\"";
+
+ if (flags & format_utf8)
+ text_output_escaped(os, a.value(), opt2_to_type<1, 1>());
+ else
+ text_output_escaped(os, a.value(), opt2_to_type<1, 0>());
+
+ os << "\"";
+ }
+
+ if (flags & format_raw)
+ {
+ if (!_root->first_child) // 0 children
+ os << " />";
+ else
+ {
+ os << ">";
+ for (xml_node n = first_child(); n; n = n.next_sibling())
+ n.print(os, indent, flags, depth + 1);
+ os << "</" << name() << ">";
+ }
+ }
+ else if (!_root->first_child) // 0 children
+ os << " />\n";
+ else if (_root->first_child == _root->last_child && first_child().type() == node_pcdata)
+ {
+ os << ">";
+
+ if (flags & format_utf8)
+ text_output_escaped(os, first_child().value(), opt2_to_type<0, 1>());
+ else
+ text_output_escaped(os, first_child().value(), opt2_to_type<0, 0>());
+
+ os << "</" << name() << ">\n";
+ }
+ else
+ {
+ os << ">\n";
+
+ for (xml_node n = first_child(); n; n = n.next_sibling())
+ n.print(os, indent, flags, depth + 1);
+
+ if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
+ for (unsigned int i = 0; i < depth; ++i) os << indent;
+
+ os << "</" << name() << ">\n";
+ }
+
+ break;
+ }
+
+ case node_pcdata:
+ if (flags & format_utf8)
+ text_output_escaped(os, value(), opt2_to_type<0, 1>());
+ else
+ text_output_escaped(os, value(), opt2_to_type<0, 0>());
+ break;
+
+ case node_cdata:
+ os << "<![CDATA[" << value() << "]]>";
+ if ((flags & format_raw) == 0) os << "\n";
+ break;
+
+ case node_comment:
+ os << "<!--" << value() << "-->";
+ if ((flags & format_raw) == 0) os << "\n";
+ break;
+
+ case node_pi:
+ os << "<?" << name();
+ if (value()[0]) os << ' ' << value();
+ os << "?>";
+ if ((flags & format_raw) == 0) os << "\n";
+ break;
+
+ default:
+ ;
+ }
+ }
+#endif
+
+#ifdef __BORLANDC__
+ bool operator&&(const xml_node& lhs, bool rhs)
+ {
+ return lhs ? rhs : false;
+ }
+
+ bool operator||(const xml_node& lhs, bool rhs)
+ {
+ return lhs ? true : rhs;
+ }
+#endif
+
+ xml_node_iterator::xml_node_iterator()
+ {
+ }
+
+ xml_node_iterator::xml_node_iterator(const xml_node& node): _wrap(node)
+ {
+ }
+
+ xml_node_iterator::xml_node_iterator(xml_node_struct* ref): _wrap(ref)
+ {
+ }
+
+ xml_node_iterator::xml_node_iterator(xml_node_struct* ref, xml_node_struct* prev): _prev(prev), _wrap(ref)
+ {
+ }
+
+ bool xml_node_iterator::operator==(const xml_node_iterator& rhs) const
+ {
+ return (_wrap == rhs._wrap);
+ }
+
+ bool xml_node_iterator::operator!=(const xml_node_iterator& rhs) const
+ {
+ return (_wrap != rhs._wrap);
+ }
+
+ xml_node& xml_node_iterator::operator*()
+ {
+ return _wrap;
+ }
+
+ xml_node* xml_node_iterator::operator->()
+ {
+ return &_wrap;
+ }
+
+ const xml_node_iterator& xml_node_iterator::operator++()
+ {
+ _prev = _wrap;
+ _wrap = xml_node(_wrap._root->next_sibling);
+ return *this;
+ }
+
+ xml_node_iterator xml_node_iterator::operator++(int)
+ {
+ xml_node_iterator temp = *this;
+ ++*this;
+ return temp;
+ }
+
+ const xml_node_iterator& xml_node_iterator::operator--()
+ {
+ if (_wrap._root) _wrap = xml_node(_wrap._root->prev_sibling);
+ else _wrap = _prev;
+ return *this;
+ }
+
+ xml_node_iterator xml_node_iterator::operator--(int)
+ {
+ xml_node_iterator temp = *this;
+ --*this;
+ return temp;
+ }
+
+ xml_attribute_iterator::xml_attribute_iterator()
+ {
+ }
+
+ xml_attribute_iterator::xml_attribute_iterator(const xml_attribute& attr): _wrap(attr)
+ {
+ }
+
+ xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref): _wrap(ref)
+ {
+ }
+
+ xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref, xml_attribute_struct* prev): _prev(prev), _wrap(ref)
+ {
+ }
+
+ bool xml_attribute_iterator::operator==(const xml_attribute_iterator& rhs) const
+ {
+ return (_wrap == rhs._wrap);
+ }
+
+ bool xml_attribute_iterator::operator!=(const xml_attribute_iterator& rhs) const
+ {
+ return (_wrap != rhs._wrap);
+ }
+
+ xml_attribute& xml_attribute_iterator::operator*()
+ {
+ return _wrap;
+ }
+
+ xml_attribute* xml_attribute_iterator::operator->()
+ {
+ return &_wrap;
+ }
+
+ const xml_attribute_iterator& xml_attribute_iterator::operator++()
+ {
+ _prev = _wrap;
+ _wrap = xml_attribute(_wrap._attr->next_attribute);
+ return *this;
+ }
+
+ xml_attribute_iterator xml_attribute_iterator::operator++(int)
+ {
+ xml_attribute_iterator temp = *this;
+ ++*this;
+ return temp;
+ }
+
+ const xml_attribute_iterator& xml_attribute_iterator::operator--()
+ {
+ if (_wrap._attr) _wrap = xml_attribute(_wrap._attr->prev_attribute);
+ else _wrap = _prev;
+ return *this;
+ }
+
+ xml_attribute_iterator xml_attribute_iterator::operator--(int)
+ {
+ xml_attribute_iterator temp = *this;
+ --*this;
+ return temp;
+ }
+
+ xml_memory_block::xml_memory_block(): next(0), size(0)
+ {
+ }
+
+ xml_document::xml_document(): _buffer(0)
+ {
+ create();
+ }
+
+ xml_document::~xml_document()
+ {
+ destroy();
+ }
+
+ void xml_document::create()
+ {
+ xml_allocator alloc(&_memory);
+
+ _root = alloc.allocate_document(); // Allocate a new root.
+ xml_allocator& a = static_cast<xml_document_struct*>(_root)->allocator;
+ a = alloc;
+ }
+
+ void xml_document::destroy()
+ {
+ delete[] _buffer;
+ _buffer = 0;
+
+ if (_root) _root->destroy();
+
+ xml_memory_block* current = _memory.next;
+
+ while (current)
+ {
+ xml_memory_block* next = current->next;
+ delete current;
+ current = next;
+ }
+
+ _memory.next = 0;
+ _memory.size = 0;
+
+ create();
+ }
+
+#ifndef PUGIXML_NO_STL
+ bool xml_document::load(std::istream& stream, unsigned int options)
+ {
+ destroy();
+
+ if (!stream.good()) return false;
+
+ std::streamoff length, pos = stream.tellg();
+ stream.seekg(0, std::ios::end);
+ length = stream.tellg();
+ stream.seekg(pos, std::ios::beg);
+
+ if (!stream.good()) return false;
+
+ char* s;
+
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ try
+ {
+ #endif
+ s = new char[length + 1];
+ if (!s) return false;
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ }
+ catch (const std::bad_alloc&)
+ {
+ return false;
+ }
+ #endif
+
+ stream.read(s, length);
+
+ if (stream.gcount() > length || stream.gcount() == 0)
+ {
+ delete[] s;
+ return false;
+ }
+
+ s[stream.gcount()] = 0;
+
+ return parse(transfer_ownership_tag(), s, options); // Parse the input string.
+ }
+#endif
+
+ bool xml_document::load(const char* contents, unsigned int options)
+ {
+ destroy();
+
+ char* s;
+
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ try
+ {
+ #endif
+ s = new char[strlen(contents) + 1];
+ if (!s) return false;
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ }
+ catch (const std::bad_alloc&)
+ {
+ return false;
+ }
+ #endif
+
+ strcpy(s, contents);
+
+ return parse(transfer_ownership_tag(), s, options); // Parse the input string.
+ }
+
+ bool xml_document::load_file(const char* name, unsigned int options)
+ {
+ destroy();
+
+ FILE* file = fopen(name, "rb");
+ if (!file) return false;
+
+ fseek(file, 0, SEEK_END);
+ long length = ftell(file);
+ fseek(file, 0, SEEK_SET);
+
+ if (length < 0)
+ {
+ fclose(file);
+ return false;
+ }
+
+ char* s;
+
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ try
+ {
+ #endif
+ s = new char[length + 1];
+ if (!s) return false;
+ #ifndef PUGIXML_NO_EXCEPTIONS
+ }
+ catch (const std::bad_alloc&)
+ {
+ fclose(file);
+ return false;
+ }
+ #endif
+
+ size_t read = fread(s, (size_t)length, 1, file);
+ fclose(file);
+
+ if (read != 1)
+ {
+ delete[] s;
+ return false;
+ }
+
+ s[length] = 0;
+
+ return parse(transfer_ownership_tag(), s, options); // Parse the input string.
+ }
+
+ bool xml_document::parse(char* xmlstr, unsigned int options)
+ {
+ destroy();
+
+ xml_allocator& alloc = static_cast<xml_document_struct*>(_root)->allocator;
+
+ xml_parser parser(alloc);
+
+ return parser.parse(xmlstr, _root, options); // Parse the input string.
+ }
+
+ bool xml_document::parse(const transfer_ownership_tag&, char* xmlstr, unsigned int options)
+ {
+ bool res = parse(xmlstr, options);
+
+ if (res) _buffer = xmlstr;
+ else delete[] xmlstr;
+
+ return res;
+ }
+
+#ifndef PUGIXML_NO_STL
+ bool xml_document::save_file(const char* name, const char* indent, unsigned int flags)
+ {
+ std::ofstream out(name, std::ios::out);
+ if (!out) return false;
+
+ if (flags & format_write_bom)
+ {
+ if (flags & format_utf8)
+ {
+ static const unsigned char utf8_bom[] = {0xEF, 0xBB, 0xBF};
+ out.write(reinterpret_cast<const char*>(utf8_bom), 3);
+ }
+ }
+
+ out << "<?xml version=\"1.0\"?>";
+ if (!(flags & format_raw)) out << "\n";
+ print(out, indent, flags);
+
+ return true;
+ }
+#endif
+
+ void xml_document::precompute_document_order()
+ {
+ precompute_document_order_impl();
+ }
+
#ifndef PUGIXML_NO_STL
- template <bool quotes, bool utf8> void text_output_escaped(std::ostream& os, const char* s)
- {
- while (*s)
- {
- const char* prev = s;
-
- // While *s is a usual symbol
- while (*s && *s != '&' && *s != '<' && *s != '>' && ((*s != '"' && *s != '\'') || !quotes)
- && (*s >= 32 || *s == '\r' || *s == '\n' || *s == '\t'))
- ++s;
-
- if (prev != s) os.write(prev, static_cast<std::streamsize>(s - prev));
-
- switch (*s)
- {
- case 0: break;
- case '&':
- os << "&amp;";
- ++s;
- break;
- case '<':
- os << "&lt;";
- ++s;
- break;
- case '>':
- os << "&gt;";
- ++s;
- break;
- case '"':
- os << "&quot;";
- ++s;
- break;
- case '\'':
- os << "&apos;";
- ++s;
- break;
- default: // s is not a usual symbol
- {
- unsigned int ch;
-
- if (utf8)
- s = strutf8_utf16(s, ch);
- else
- ch = (unsigned char)*s++;
-
- os << "&#" << ch << ";";
- }
- }
- }
- }
+ std::string as_utf8(const wchar_t* str)
+ {
+ std::string result;
+ result.reserve(strutf16_utf8_size(str));
+
+ for (; *str; ++str)
+ {
+ char buffer[6];
+
+ result.append(buffer, strutf16_utf8(buffer, *str));
+ }
+
+ return result;
+ }
+
+ std::wstring as_utf16(const char* str)
+ {
+ std::wstring result;
+ result.reserve(strutf8_utf16_size(str));
+
+ for (; *str;)
+ {
+ unsigned int ch;
+ str = strutf8_utf16(str, ch);
+ result += (wchar_t)ch;
+ }
+
+ return result;
+ }
#endif
-
- struct gap
- {
- char* end;
- size_t size;
-
- gap(): end(0), size(0)
- {
- }
-
- // Push new gap, move s count bytes further (skipping the gap).
- // Collapse previous gap.
- void push(char*& s, size_t count)
- {
- if (end) // there was a gap already; collapse it
- {
- // Move [old_gap_end, new_gap_start) to [old_gap_start, ...)
- std::memmove(end - size, end, s - end);
- }
-
- s += count; // end of current gap
-
- // "merge" two gaps
- end = s;
- size += count;
- }
-
- // Collapse all gaps, return past-the-end pointer
- char* flush(char* s)
- {
- if (end)
- {
- // Move [old_gap_end, current_pos) to [old_gap_start, ...)
- std::memmove(end - size, end, s - end);
-
- return s - size;
- }
- else return s;
- }
- };
-
- char* strconv_escape(char* s, gap& g)
- {
- char* stre = s + 1;
-
- switch (*stre)
- {
- case '#': // &#...
- {
- unsigned int ucsc = 0;
-
- ++stre;
-
- if (*stre == 'x') // &#x... (hex code)
- {
- ++stre;
-
- while (*stre)
- {
- if (*stre >= '0' && *stre <= '9')
- ucsc = 16 * ucsc + (*stre++ - '0');
- else if (*stre >= 'A' && *stre <= 'F')
- ucsc = 16 * ucsc + (*stre++ - 'A' + 10);
- else if (*stre >= 'a' && *stre <= 'f')
- ucsc = 16 * ucsc + (*stre++ - 'a' + 10);
- else if (*stre == ';')
- break;
- else // cancel
- return stre;
- }
-
- if (*stre != ';') return stre;
-
- ++stre;
- }
- else // &#... (dec code)
- {
- while (*stre >= '0' && *stre <= '9')
- ucsc = 10 * ucsc + (*stre++ - '0');
-
- if (*stre != ';') return stre;
-
- ++stre;
- }
-
- s = strutf16_utf8(s, ucsc);
-
- g.push(s, stre - s);
- return stre;
- }
- case 'a': // &a
- {
- ++stre;
-
- if (*stre == 'm') // &am
- {
- if (*++stre == 'p' && *++stre == ';') // &amp;
- {
- *s++ = '&';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- }
- else if (*stre == 'p') // &ap
- {
- if (*++stre == 'o' && *++stre == 's' && *++stre == ';') // &apos;
- {
- *s++ = '\'';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- }
- break;
- }
- case 'g': // &g
- {
- if (*++stre == 't' && *++stre == ';') // &gt;
- {
- *s++ = '>';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- case 'l': // &l
- {
- if (*++stre == 't' && *++stre == ';') // &lt;
- {
- *s++ = '<';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- case 'q': // &q
- {
- if (*++stre == 'u' && *++stre == 'o' && *++stre == 't' && *++stre == ';') // &quot;
- {
- *s++ = '"';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- }
-
- return stre;
- }
-
- char* strconv_comment(char* s)
- {
- if (!*s) return 0;
-
- gap g;
-
- while (true)
- {
- while (!is_chartype(*s, ct_parse_comment)) ++s;
-
- if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
- {
- *s++ = '\n'; // replace first one with 0x0a
-
- if (*s == '\n') g.push(s, 1);
- }
- else if (*s == '-' && *(s+1) == '-' && *(s+2) == '>') // comment ends here
- {
- *g.flush(s) = 0;
-
- return s + 3;
- }
- else if (*s == 0)
- {
- return 0;
- }
- else ++s;
- }
- }
-
- char* strconv_cdata(char* s)
- {
- if (!*s) return 0;
-
- gap g;
-
- while (true)
- {
- while (!is_chartype(*s, ct_parse_cdata)) ++s;
-
- if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
- {
- *s++ = '\n'; // replace first one with 0x0a
-
- if (*s == '\n') g.push(s, 1);
- }
- else if (*s == ']' && *(s+1) == ']' && *(s+2) == '>') // CDATA ends here
- {
- *g.flush(s) = 0;
-
- return s + 1;
- }
- else if (*s == 0)
- {
- return 0;
- }
- else ++s;
- }
- }
-
- template <bool opt_eol, bool opt_escape> char* strconv_pcdata_t(char* s)
- {
- if (!*s) return 0;
-
- gap g;
-
- while (true)
- {
- while (!is_chartype(*s, ct_parse_pcdata)) ++s;
-
- if (opt_eol && *s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
- {
- *s++ = '\n'; // replace first one with 0x0a
-
- if (*s == '\n') g.push(s, 1);
- }
- else if (opt_escape && *s == '&')
- {
- s = strconv_escape(s, g);
- }
- else if (*s == '<') // PCDATA ends here
- {
- *g.flush(s) = 0;
-
- return s + 1;
- }
- else if (*s == 0)
- {
- return s;
- }
- else ++s;
- }
- }
-
- char* strconv_pcdata(char* s, unsigned int optmask)
- {
- STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20);
-
- switch ((optmask >> 4) & 3) // get bitmask for flags (eol escapes)
- {
- case 0: return strconv_pcdata_t<0, 0>(s);
- case 1: return strconv_pcdata_t<0, 1>(s);
- case 2: return strconv_pcdata_t<1, 0>(s);
- case 3: return strconv_pcdata_t<1, 1>(s);
- default: return 0; // should not get here
- }
- }
-
- template <bool opt_wconv, bool opt_wnorm, bool opt_eol, bool opt_escape> char* strconv_attribute_t(char* s, char end_quote)
- {
- if (!*s) return 0;
-
- gap g;
-
- // Trim whitespaces
- if (opt_wnorm)
- {
- char* str = s;
-
- while (is_chartype(*str, ct_space)) ++str;
-
- if (str != s)
- g.push(s, str - s);
- }
-
- while (true)
- {
- while (!is_chartype(*s, (opt_wnorm || opt_wconv) ? ct_parse_attr_ws : ct_parse_attr)) ++s;
-
- if (opt_escape && *s == '&')
- {
- s = strconv_escape(s, g);
- }
- else if (opt_wnorm && is_chartype(*s, ct_space))
- {
- *s++ = ' ';
-
- if (is_chartype(*s, ct_space))
- {
- char* str = s + 1;
- while (is_chartype(*str, ct_space)) ++str;
-
- g.push(s, str - s);
- }
- }
- else if (opt_wconv && is_chartype(*s, ct_space))
- {
- if (opt_eol)
- {
- if (*s == '\r')
- {
- *s++ = ' ';
-
- if (*s == '\n') g.push(s, 1);
- }
- else *s++ = ' ';
- }
- else *s++ = ' ';
- }
- else if (opt_eol && *s == '\r')
- {
- *s++ = '\n';
-
- if (*s == '\n') g.push(s, 1);
- }
- else if (*s == end_quote)
- {
- char* str = g.flush(s);
-
- if (opt_wnorm)
- {
- do *str-- = 0;
- while (is_chartype(*str, ct_space));
- }
- else *str = 0;
-
- return s + 1;
- }
- else if (!*s)
- {
- return 0;
- }
- else ++s;
- }
- }
-
- char* strconv_attribute(char* s, char end_quote, unsigned int optmask)
- {
- STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20 && parse_wnorm_attribute == 0x40 && parse_wconv_attribute == 0x80);
-
- switch ((optmask >> 4) & 15) // get bitmask for flags (wconv wnorm eol escapes)
- {
- case 0: return strconv_attribute_t <0, 0, 0, 0>(s, end_quote);
- case 1: return strconv_attribute_t <0, 0, 0, 1>(s, end_quote);
- case 2: return strconv_attribute_t <0, 0, 1, 0>(s, end_quote);
- case 3: return strconv_attribute_t <0, 0, 1, 1>(s, end_quote);
- case 4: return strconv_attribute_t <0, 1, 0, 0>(s, end_quote);
- case 5: return strconv_attribute_t <0, 1, 0, 1>(s, end_quote);
- case 6: return strconv_attribute_t <0, 1, 1, 0>(s, end_quote);
- case 7: return strconv_attribute_t <0, 1, 1, 1>(s, end_quote);
- case 8: return strconv_attribute_t <1, 0, 0, 0>(s, end_quote);
- case 9: return strconv_attribute_t <1, 0, 0, 1>(s, end_quote);
- case 10: return strconv_attribute_t<1, 0, 1, 0>(s, end_quote);
- case 11: return strconv_attribute_t<1, 0, 1, 1>(s, end_quote);
- case 12: return strconv_attribute_t<1, 1, 0, 0>(s, end_quote);
- case 13: return strconv_attribute_t<1, 1, 0, 1>(s, end_quote);
- case 14: return strconv_attribute_t<1, 1, 1, 0>(s, end_quote);
- case 15: return strconv_attribute_t<1, 1, 1, 1>(s, end_quote);
- default: return 0; // should not get here
- }
- }
-
- struct xml_parser
- {
- xml_allocator& alloc;
-
- // Parser utilities.
- #define SKIPWS() { while (is_chartype(*s, ct_space)) ++s; }
- #define OPTSET(OPT) ( optmsk & OPT )
- #define PUSHNODE(TYPE) { cursor = cursor->append_node(alloc,TYPE); }
- #define POPNODE() { cursor = cursor->parent; }
- #define SCANFOR(X) { while (*s != 0 && !(X)) ++s; }
- #define SCANWHILE(X) { while ((X)) ++s; }
- #define ENDSEG() { ch = *s; *s = 0; ++s; }
- #define CHECK_ERROR() { if (*s == 0) return false; }
-
- xml_parser(xml_allocator& alloc): alloc(alloc)
- {
- }
-
- bool parse(char* s, xml_node_struct* xmldoc, unsigned int optmsk = parse_default)
- {
- if (!s || !xmldoc) return false;
-
- // UTF-8 BOM
- if ((unsigned char)*s == 0xEF && (unsigned char)*(s+1) == 0xBB && (unsigned char)*(s+2) == 0xBF)
- s += 3;
-
- char ch = 0;
- xml_node_struct* cursor = xmldoc;
- char* mark = s;
-
- while (*s != 0)
- {
- if (*s == '<')
- {
- ++s;
-
- LOC_TAG:
- if (*s == '?') // '<?...'
- {
- ++s;
-
- if (!is_chartype(*s, ct_start_symbol)) // bad PI
- return false;
- else if (OPTSET(parse_pi))
- {
- mark = s;
- SCANWHILE(is_chartype(*s, ct_symbol)); // Read PI target
- CHECK_ERROR();
-
- if (!is_chartype(*s, ct_space) && *s != '?') // Target has to end with space or ?
- return false;
-
- ENDSEG();
- CHECK_ERROR();
-
- if (ch == '?') // nothing except target present
- {
- if (*s != '>') return false;
- ++s;
-
- // stricmp / strcasecmp is not portable
- if ((mark[0] == 'x' || mark[0] == 'X') && (mark[1] == 'm' || mark[1] == 'M')
- && (mark[2] == 'l' || mark[2] == 'L') && mark[3] == 0)
- {
- }
- else
- {
- PUSHNODE(node_pi); // Append a new node on the tree.
-
- cursor->name = mark;
-
- POPNODE();
- }
- }
- // stricmp / strcasecmp is not portable
- else if ((mark[0] == 'x' || mark[0] == 'X') && (mark[1] == 'm' || mark[1] == 'M')
- && (mark[2] == 'l' || mark[2] == 'L') && mark[3] == 0)
- {
- SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
- CHECK_ERROR();
- s += 2;
- }
- else
- {
- PUSHNODE(node_pi); // Append a new node on the tree.
-
- cursor->name = mark;
-
- if (is_chartype(ch, ct_space))
- {
- SKIPWS();
- CHECK_ERROR();
-
- mark = s;
- }
- else mark = 0;
-
- SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
- CHECK_ERROR();
-
- ENDSEG();
- CHECK_ERROR();
-
- ++s; // Step over >
-
- cursor->value = mark;
-
- POPNODE();
- }
- }
- else // not parsing PI
- {
- SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
- CHECK_ERROR();
-
- s += 2;
- }
- }
- else if (*s == '!') // '<!...'
- {
- ++s;
-
- if (*s == '-') // '<!-...'
- {
- ++s;
-
- if (*s == '-') // '<!--...'
- {
- ++s;
-
- if (OPTSET(parse_comments))
- {
- PUSHNODE(node_comment); // Append a new node on the tree.
- cursor->value = s; // Save the offset.
- }
-
- if (OPTSET(parse_eol) && OPTSET(parse_comments))
- {
- s = strconv_comment(s);
-
- if (!s) return false;
- }
- else
- {
- // Scan for terminating '-->'.
- SCANFOR(*s == '-' && *(s+1) == '-' && *(s+2) == '>');
- CHECK_ERROR();
-
- if (OPTSET(parse_comments))
- *s = 0; // Zero-terminate this segment at the first terminating '-'.
-
- s += 3; // Step over the '\0->'.
- }
-
- if (OPTSET(parse_comments))
- {
- POPNODE(); // Pop since this is a standalone.
- }
- }
- else return false;
- }
- else if(*s == '[')
- {
- // '<![CDATA[...'
- if(*++s=='C' && *++s=='D' && *++s=='A' && *++s=='T' && *++s=='A' && *++s == '[')
- {
- ++s;
-
- if (OPTSET(parse_cdata))
- {
- PUSHNODE(node_cdata); // Append a new node on the tree.
- cursor->value = s; // Save the offset.
-
- if (OPTSET(parse_eol))
- {
- s = strconv_cdata(s);
-
- if (!s) return false;
- }
- else
- {
- // Scan for terminating ']]>'.
- SCANFOR(*s == ']' && *(s+1) == ']' && *(s+2) == '>');
- CHECK_ERROR();
-
- ENDSEG(); // Zero-terminate this segment.
- CHECK_ERROR();
- }
-
- POPNODE(); // Pop since this is a standalone.
- }
- else // Flagged for discard, but we still have to scan for the terminator.
- {
- // Scan for terminating ']]>'.
- SCANFOR(*s == ']' && *(s+1) == ']' && *(s+2) == '>');
- CHECK_ERROR();
-
- ++s;
- }
-
- s += 2; // Step over the last ']>'.
- }
- else return false;
- }
- else if (*s=='D' && *++s=='O' && *++s=='C' && *++s=='T' && *++s=='Y' && *++s=='P' && *++s=='E')
- {
- ++s;
-
- SKIPWS(); // Eat any whitespace.
- CHECK_ERROR();
-
- LOC_DOCTYPE:
- SCANFOR(*s == '\'' || *s == '"' || *s == '[' || *s == '>');
- CHECK_ERROR();
-
- if (*s == '\'' || *s == '"') // '...SYSTEM "..."
- {
- ch = *s++;
- SCANFOR(*s == ch);
- CHECK_ERROR();
-
- ++s;
- goto LOC_DOCTYPE;
- }
-
- if(*s == '[') // '...[...'
- {
- ++s;
- unsigned int bd = 1; // Bracket depth counter.
- while (*s!=0) // Loop till we're out of all brackets.
- {
- if (*s == ']') --bd;
- else if (*s == '[') ++bd;
- if (bd == 0) break;
- ++s;
- }
- }
-
- SCANFOR(*s == '>');
- CHECK_ERROR();
-
- ++s;
- }
- else return false;
- }
- else if (is_chartype(*s, ct_start_symbol)) // '<#...'
- {
- PUSHNODE(node_element); // Append a new node to the tree.
-
- cursor->name = s;
-
- SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
- CHECK_ERROR();
-
- ENDSEG(); // Save char in 'ch', terminate & step over.
- CHECK_ERROR();
-
- if (ch == '/') // '<#.../'
- {
- if (*s != '>') return false;
-
- POPNODE(); // Pop.
-
- ++s;
- }
- else if (ch == '>')
- {
- // end of tag
- }
- else if (is_chartype(ch, ct_space))
- {
- while (*s)
- {
- SKIPWS(); // Eat any whitespace.
- CHECK_ERROR();
-
- if (is_chartype(*s, ct_start_symbol)) // <... #...
- {
- xml_attribute_struct* a = cursor->append_attribute(alloc); // Make space for this attribute.
- a->name = s; // Save the offset.
-
- SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
- CHECK_ERROR();
-
- ENDSEG(); // Save char in 'ch', terminate & step over.
- CHECK_ERROR();
-
- if (is_chartype(ch, ct_space))
- {
- SKIPWS(); // Eat any whitespace.
- CHECK_ERROR();
-
- ch = *s;
- ++s;
- }
-
- if (ch == '=') // '<... #=...'
- {
- SKIPWS(); // Eat any whitespace.
- CHECK_ERROR();
-
- if (*s == '\'' || *s == '"') // '<... #="...'
- {
- ch = *s; // Save quote char to avoid breaking on "''" -or- '""'.
- ++s; // Step over the quote.
- a->value = s; // Save the offset.
-
- s = strconv_attribute(s, ch, optmsk);
-
- if (!s) return false;
-
- // After this line the loop continues from the start;
- // Whitespaces, / and > are ok, symbols are wrong,
- // everything else will be detected
- if (is_chartype(*s, ct_start_symbol)) return false;
- }
- else return false;
- }
- else return false;
- }
- else if (*s == '/')
- {
- ++s;
-
- if (*s != '>') return false;
-
- POPNODE(); // Pop.
-
- ++s;
-
- break;
- }
- else if (*s == '>')
- {
- ++s;
-
- break;
- }
- else return false;
- }
- }
- else return false;
- }
- else if (*s == '/')
- {
- ++s;
-
- if (!cursor) return false;
-
- char* name = cursor->name;
- if (!name) return false;
-
- while (*s && is_chartype(*s, ct_symbol))
- {
- if (*s++ != *name++) return false;
- }
-
- if (*name) return false;
-
- POPNODE(); // Pop.
-
- SKIPWS();
- CHECK_ERROR();
-
- if (*s != '>') return false;
- ++s;
- }
- else return false;
- }
- else
- {
- mark = s; // Save this offset while searching for a terminator.
-
- SKIPWS(); // Eat whitespace if no genuine PCDATA here.
-
- if ((mark == s || !OPTSET(parse_ws_pcdata)) && (!*s || *s == '<'))
- {
- continue;
- }
-
- s = mark;
-
- if (static_cast<xml_node_type>(cursor->type) != node_document)
- {
- PUSHNODE(node_pcdata); // Append a new node on the tree.
- cursor->value = s; // Save the offset.
-
- s = strconv_pcdata(s, optmsk);
-
- if (!s) return false;
-
- POPNODE(); // Pop since this is a standalone.
-
- if (!*s) break;
- }
- else
- {
- SCANFOR(*s == '<'); // '...<'
- if (!*s) break;
-
- ++s;
- }
-
- // We're after '<'
- goto LOC_TAG;
- }
- }
-
- if (cursor != xmldoc) return false;
-
- return true;
- }
-
- private:
- xml_parser(const xml_parser&);
- const xml_parser& operator=(const xml_parser&);
- };
-
- // Compare lhs with [rhs_begin, rhs_end)
- int strcmprange(const char* lhs, const char* rhs_begin, const char* rhs_end)
- {
- while (*lhs && rhs_begin != rhs_end && *lhs == *rhs_begin)
- {
- ++lhs;
- ++rhs_begin;
- }
-
- if (rhs_begin == rhs_end && *lhs == 0) return 0;
- else return 1;
- }
-
- // Character set pattern match.
- int strcmpwild_cset(const char** src, const char** dst)
- {
- int find = 0, excl = 0, star = 0;
-
- if (**src == '!')
- {
- excl = 1;
- ++(*src);
- }
-
- while (**src != ']' || star == 1)
- {
- if (find == 0)
- {
- if (**src == '-' && *(*src-1) < *(*src+1) && *(*src+1) != ']' && star == 0)
- {
- if (**dst >= *(*src-1) && **dst <= *(*src+1))
- {
- find = 1;
- ++(*src);
- }
- }
- else if (**src == **dst) find = 1;
- }
- ++(*src);
- star = 0;
- }
-
- if (excl == 1) find = (1 - find);
- if (find == 1) ++(*dst);
-
- return find;
- }
-
- // Wildcard pattern match.
- int strcmpwild_astr(const char** src, const char** dst)
- {
- int find = 1;
- ++(*src);
- while ((**dst != 0 && **src == '?') || **src == '*')
- {
- if(**src == '?') ++(*dst);
- ++(*src);
- }
- while (**src == '*') ++(*src);
- if (**dst == 0 && **src != 0) return 0;
- if (**dst == 0 && **src == 0) return 1;
- else
- {
- if (impl::strcmpwild(*src,*dst))
- {
- do
- {
- ++(*dst);
- while(**src != **dst && **src != '[' && **dst != 0)
- ++(*dst);
- }
- while ((**dst != 0) ? impl::strcmpwild(*src,*dst) : 0 != (find=0));
- }
- if (**dst == 0 && **src == 0) find = 1;
- return find;
- }
- }
-}
-
-namespace pugi
-{
- namespace impl
- {
- // Compare two strings, with globbing, and character sets.
- int strcmpwild(const char* src, const char* dst)
- {
- int find = 1;
- for(; *src != 0 && find == 1 && *dst != 0; ++src)
- {
- switch (*src)
- {
- case '?': ++dst; break;
- case '[': ++src; find = strcmpwild_cset(&src,&dst); break;
- case '*': find = strcmpwild_astr(&src,&dst); --src; break;
- default : find = (int) (*src == *dst); ++dst;
- }
- }
- while (*src == '*' && find == 1) ++src;
- return (find == 1 && *dst == 0 && *src == 0) ? 0 : 1;
- }
- }
-
- xml_tree_walker::xml_tree_walker(): _depth(0)
- {
- }
-
- xml_tree_walker::~xml_tree_walker()
- {
- }
-
- int xml_tree_walker::depth() const
- {
- return _depth;
- }
-
- bool xml_tree_walker::begin(xml_node&)
- {
- return true;
- }
-
- bool xml_tree_walker::end(xml_node&)
- {
- return true;
- }
-
- xml_attribute::xml_attribute(): _attr(0)
- {
- }
-
- xml_attribute::xml_attribute(xml_attribute_struct* attr): _attr(attr)
- {
- }
-
- xml_attribute::operator xml_attribute::unspecified_bool_type() const
- {
- return empty() ? 0 : &xml_attribute::_attr;
- }
-
- bool xml_attribute::operator!() const
- {
- return empty();
- }
-
- bool xml_attribute::operator==(const xml_attribute& r) const
- {
- return (_attr == r._attr);
- }
-
- bool xml_attribute::operator!=(const xml_attribute& r) const
- {
- return (_attr != r._attr);
- }
-
- bool xml_attribute::operator<(const xml_attribute& r) const
- {
- return (_attr < r._attr);
- }
-
- bool xml_attribute::operator>(const xml_attribute& r) const
- {
- return (_attr > r._attr);
- }
-
- bool xml_attribute::operator<=(const xml_attribute& r) const
- {
- return (_attr <= r._attr);
- }
-
- bool xml_attribute::operator>=(const xml_attribute& r) const
- {
- return (_attr >= r._attr);
- }
-
- xml_attribute xml_attribute::next_attribute() const
- {
- return _attr ? xml_attribute(_attr->next_attribute) : xml_attribute();
- }
-
- xml_attribute xml_attribute::previous_attribute() const
- {
- return _attr ? xml_attribute(_attr->prev_attribute) : xml_attribute();
- }
-
- int xml_attribute::as_int() const
- {
- if(empty() || !_attr->value) return 0;
- return atoi(_attr->value);
- }
-
- double xml_attribute::as_double() const
- {
- if(empty() || !_attr->value) return 0.0;
- return atof(_attr->value);
- }
-
- float xml_attribute::as_float() const
- {
- if(empty() || !_attr->value) return 0.0f;
- return (float)atof(_attr->value);
- }
-
- bool xml_attribute::as_bool() const
- {
- if(empty() || !_attr->value) return false;
- if(*(_attr->value))
- {
- return // Only look at first char:
- (
- *(_attr->value) == '1' || // 1*
- *(_attr->value) == 't' || // t* (true)
- *(_attr->value) == 'T' || // T* (true|true)
- *(_attr->value) == 'y' || // y* (yes)
- *(_attr->value) == 'Y' // Y* (Yes|YES)
- )
- ? true : false; // Return true if matches above, else false.
- }
- else return false;
- }
-
- bool xml_attribute::empty() const
- {
- return (_attr == 0);
- }
-
- const char* xml_attribute::name() const
- {
- return (!empty() && _attr->name) ? _attr->name : "";
- }
-
- const char* xml_attribute::value() const
- {
- return (!empty() && _attr->value) ? _attr->value : "";
- }
-
- unsigned int xml_attribute::document_order() const
- {
- return empty() ? 0 : _attr->document_order;
- }
-
- xml_attribute& xml_attribute::operator=(const char* rhs)
- {
- set_value(rhs);
- return *this;
- }
-
- xml_attribute& xml_attribute::operator=(int rhs)
- {
- char buf[128];
- sprintf(buf, "%d", rhs);
- set_value(buf);
- return *this;
- }
-
- xml_attribute& xml_attribute::operator=(double rhs)
- {
- char buf[128];
- sprintf(buf, "%g", rhs);
- set_value(buf);
- return *this;
- }
-
- xml_attribute& xml_attribute::operator=(bool rhs)
- {
- set_value(rhs ? "true" : "false");
- return *this;
- }
-
- bool xml_attribute::set_name(const char* rhs)
- {
- if (empty()) return false;
-
- bool insitu = _attr->name_insitu;
- bool res = strcpy_insitu(_attr->name, insitu, rhs);
- _attr->name_insitu = insitu;
-
- return res;
- }
-
- bool xml_attribute::set_value(const char* rhs)
- {
- if (empty()) return false;
-
- bool insitu = _attr->value_insitu;
- bool res = strcpy_insitu(_attr->value, insitu, rhs);
- _attr->value_insitu = insitu;
-
- return res;
- }
-
-#ifdef __BORLANDC__
- bool operator&&(const xml_attribute& lhs, bool rhs)
- {
- return lhs ? rhs : false;
- }
-
- bool operator||(const xml_attribute& lhs, bool rhs)
- {
- return lhs ? true : rhs;
- }
-#endif
-
- xml_node::xml_node(): _root(0)
- {
- }
-
- xml_node::xml_node(xml_node_struct* p): _root(p)
- {
- }
-
- xml_node::operator xml_node::unspecified_bool_type() const
- {
- return empty() ? 0 : &xml_node::_root;
- }
-
- bool xml_node::operator!() const
- {
- return empty();
- }
-
- xml_node::iterator xml_node::begin() const
- {
- return iterator(_root->first_child);
- }
-
- xml_node::iterator xml_node::end() const
- {
- return iterator(0, _root->last_child);
- }
-
- xml_node::attribute_iterator xml_node::attributes_begin() const
- {
- return attribute_iterator(_root->first_attribute);
- }
-
- xml_node::attribute_iterator xml_node::attributes_end() const
- {
- return attribute_iterator(0, _root->last_attribute);
- }
-
- bool xml_node::operator==(const xml_node& r) const
- {
- return (_root == r._root);
- }
-
- bool xml_node::operator!=(const xml_node& r) const
- {
- return (_root != r._root);
- }
-
- bool xml_node::operator<(const xml_node& r) const
- {
- return (_root < r._root);
- }
-
- bool xml_node::operator>(const xml_node& r) const
- {
- return (_root > r._root);
- }
-
- bool xml_node::operator<=(const xml_node& r) const
- {
- return (_root <= r._root);
- }
-
- bool xml_node::operator>=(const xml_node& r) const
- {
- return (_root >= r._root);
- }
-
- bool xml_node::empty() const
- {
- return (_root == 0);
- }
-
- xml_allocator& xml_node::get_allocator() const
- {
- xml_node_struct* r = root()._root;
-
- return static_cast<xml_document_struct*>(r)->allocator;
- }
-
- const char* xml_node::name() const
- {
- return (!empty() && _root->name) ? _root->name : "";
- }
-
- xml_node_type xml_node::type() const
- {
- return _root ? static_cast<xml_node_type>(_root->type) : node_null;
- }
-
- const char* xml_node::value() const
- {
- return (!empty() && _root->value) ? _root->value : "";
- }
-
- xml_node xml_node::child(const char* name) const
- {
- if (!empty())
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- if (i->name && !strcmp(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_node xml_node::child_w(const char* name) const
- {
- if (!empty())
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_attribute xml_node::attribute(const char* name) const
- {
- if (!_root) return xml_attribute();
-
- for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
- if (i->name && !strcmp(name, i->name))
- return xml_attribute(i);
-
- return xml_attribute();
- }
-
- xml_attribute xml_node::attribute_w(const char* name) const
- {
- if (!_root) return xml_attribute();
-
- for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
- if (i->name && !impl::strcmpwild(name, i->name))
- return xml_attribute(i);
-
- return xml_attribute();
- }
-
- xml_node xml_node::next_sibling(const char* name) const
- {
- if(empty()) return xml_node();
-
- for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
- if (i->name && !strcmp(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_node xml_node::next_sibling_w(const char* name) const
- {
- if(empty()) return xml_node();
-
- for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
- if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_node xml_node::next_sibling() const
- {
- if(empty()) return xml_node();
-
- if (_root->next_sibling) return xml_node(_root->next_sibling);
- else return xml_node();
- }
-
- xml_node xml_node::previous_sibling(const char* name) const
- {
- if (empty()) return xml_node();
-
- for (xml_node_struct* i = _root->prev_sibling; i; i = i->prev_sibling)
- if (i->name && !strcmp(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_node xml_node::previous_sibling_w(const char* name) const
- {
- if (empty()) return xml_node();
-
- for (xml_node_struct* i = _root->prev_sibling; i; i = i->prev_sibling)
- if (i->name && !impl::strcmpwild(name, i->name)) return xml_node(i);
-
- return xml_node();
- }
-
- xml_node xml_node::previous_sibling() const
- {
- if(empty()) return xml_node();
-
- if (_root->prev_sibling) return xml_node(_root->prev_sibling);
- else return xml_node();
- }
-
- xml_node xml_node::parent() const
- {
- return empty() ? xml_node() : xml_node(_root->parent);
- }
-
- xml_node xml_node::root() const
- {
- xml_node r = *this;
- while (r && r.parent()) r = r.parent();
- return r;
- }
-
- const char* xml_node::child_value() const
- {
- if (!empty())
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- if ((static_cast<xml_node_type>(i->type) == node_pcdata || static_cast<xml_node_type>(i->type) == node_cdata) && i->value)
- return i->value;
- return "";
- }
-
- const char* xml_node::child_value(const char* name) const
- {
- return child(name).child_value();
- }
-
- const char* xml_node::child_value_w(const char* name) const
- {
- return child_w(name).child_value();
- }
-
- xml_attribute xml_node::first_attribute() const
- {
- return _root ? xml_attribute(_root->first_attribute) : xml_attribute();
- }
-
- xml_attribute xml_node::last_attribute() const
- {
- return _root ? xml_attribute(_root->last_attribute) : xml_attribute();
- }
-
- xml_node xml_node::first_child() const
- {
- if (_root) return xml_node(_root->first_child);
- else return xml_node();
- }
-
- xml_node xml_node::last_child() const
- {
- if (_root) return xml_node(_root->last_child);
- else return xml_node();
- }
-
- bool xml_node::set_name(const char* rhs)
- {
- switch (type())
- {
- case node_pi:
- case node_element:
- {
- bool insitu = _root->name_insitu;
- bool res = strcpy_insitu(_root->name, insitu, rhs);
- _root->name_insitu = insitu;
-
- return res;
- }
-
- default:
- return false;
- }
- }
-
- bool xml_node::set_value(const char* rhs)
- {
- switch (type())
- {
- case node_pi:
- case node_cdata:
- case node_pcdata:
- case node_comment:
- {
- bool insitu = _root->value_insitu;
- bool res = strcpy_insitu(_root->value, insitu, rhs);
- _root->value_insitu = insitu;
-
- return res;
- }
-
- default:
- return false;
- }
- }
-
- xml_attribute xml_node::append_attribute(const char* name)
- {
- if (type() != node_element) return xml_attribute();
-
- xml_attribute a(_root->append_attribute(get_allocator()));
- a.set_name(name);
-
- return a;
- }
-
- xml_attribute xml_node::insert_attribute_before(const char* name, const xml_attribute& attr)
- {
- if (type() != node_element || attr.empty()) return xml_attribute();
-
- // check that attribute belongs to *this
- xml_attribute_struct* cur = attr._attr;
-
- while (cur->prev_attribute) cur = cur->prev_attribute;
-
- if (cur != _root->first_attribute) return xml_attribute();
-
- xml_attribute a(get_allocator().allocate<xml_attribute_struct>());
- a.set_name(name);
-
- if (attr._attr->prev_attribute)
- attr._attr->prev_attribute->next_attribute = a._attr;
- else
- _root->first_attribute = a._attr;
-
- a._attr->prev_attribute = attr._attr->prev_attribute;
- a._attr->next_attribute = attr._attr;
- attr._attr->prev_attribute = a._attr;
-
- return a;
- }
-
- xml_attribute xml_node::insert_attribute_after(const char* name, const xml_attribute& attr)
- {
- if (type() != node_element || attr.empty()) return xml_attribute();
-
- // check that attribute belongs to *this
- xml_attribute_struct* cur = attr._attr;
-
- while (cur->prev_attribute) cur = cur->prev_attribute;
-
- if (cur != _root->first_attribute) return xml_attribute();
-
- xml_attribute a(get_allocator().allocate<xml_attribute_struct>());
- a.set_name(name);
-
- if (attr._attr->next_attribute)
- attr._attr->next_attribute->prev_attribute = a._attr;
- else
- _root->last_attribute = a._attr;
-
- a._attr->next_attribute = attr._attr->next_attribute;
- a._attr->prev_attribute = attr._attr;
- attr._attr->next_attribute = a._attr;
-
- return a;
- }
-
- xml_node xml_node::append_child(xml_node_type type)
- {
- if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
-
- return xml_node(_root->append_node(get_allocator(), type));
- }
-
- xml_node xml_node::insert_child_before(xml_node_type type, const xml_node& node)
- {
- if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
- if (node.parent() != *this) return xml_node();
-
- xml_node n(get_allocator().allocate<xml_node_struct>(type));
- n._root->parent = _root;
-
- if (node._root->prev_sibling)
- node._root->prev_sibling->next_sibling = n._root;
- else
- _root->first_child = n._root;
-
- n._root->prev_sibling = node._root->prev_sibling;
- n._root->next_sibling = node._root;
- node._root->prev_sibling = n._root;
-
- return n;
- }
-
- xml_node xml_node::insert_child_after(xml_node_type type, const xml_node& node)
- {
- if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
- if (node.parent() != *this) return xml_node();
-
- xml_node n(get_allocator().allocate<xml_node_struct>(type));
- n._root->parent = _root;
-
- if (node._root->next_sibling)
- node._root->next_sibling->prev_sibling = n._root;
- else
- _root->last_child = n._root;
-
- n._root->next_sibling = node._root->next_sibling;
- n._root->prev_sibling = node._root;
- node._root->next_sibling = n._root;
-
- return n;
- }
-
- void xml_node::remove_attribute(const char* name)
- {
- remove_attribute(attribute(name));
- }
-
- void xml_node::remove_attribute(const xml_attribute& a)
- {
- if (empty()) return;
-
- // check that attribute belongs to *this
- xml_attribute_struct* attr = a._attr;
-
- while (attr->prev_attribute) attr = attr->prev_attribute;
-
- if (attr != _root->first_attribute) return;
-
- if (a._attr->next_attribute) a._attr->next_attribute->prev_attribute = a._attr->prev_attribute;
- else _root->last_attribute = a._attr->prev_attribute;
-
- if (a._attr->prev_attribute) a._attr->prev_attribute->next_attribute = a._attr->next_attribute;
- else _root->first_attribute = a._attr->next_attribute;
-
- a._attr->free();
- }
-
- void xml_node::remove_child(const char* name)
- {
- remove_child(child(name));
- }
-
- void xml_node::remove_child(const xml_node& n)
- {
- if (empty() || n.parent() != *this) return;
-
- if (n._root->next_sibling) n._root->next_sibling->prev_sibling = n._root->prev_sibling;
- else _root->last_child = n._root->prev_sibling;
-
- if (n._root->prev_sibling) n._root->prev_sibling->next_sibling = n._root->next_sibling;
- else _root->first_child = n._root->next_sibling;
-
- n._root->free();
- }
-
-#ifndef PUGIXML_NO_STL
- std::string xml_node::path(char delimiter) const
- {
- std::string path;
-
- xml_node cursor = *this; // Make a copy.
-
- path = cursor.name();
-
- while (cursor.parent())
- {
- cursor = cursor.parent();
-
- std::string temp = cursor.name();
- temp += delimiter;
- temp += path;
- path.swap(temp);
- }
-
- return path;
- }
-#endif
-
- xml_node xml_node::first_element_by_path(const char* path, char delimiter) const
- {
- xml_node found = *this; // Current search context.
-
- if (empty() || !path || !path[0]) return found;
-
- if (path[0] == delimiter)
- {
- // Absolute path; e.g. '/foo/bar'
- while (found.parent()) found = found.parent();
- ++path;
- }
-
- const char* path_segment = path;
-
- while (*path_segment == delimiter) ++path_segment;
-
- const char* path_segment_end = path_segment;
-
- while (*path_segment_end && *path_segment_end != delimiter) ++path_segment_end;
-
- if (path_segment == path_segment_end) return found;
-
- const char* next_segment = path_segment_end;
-
- while (*next_segment == delimiter) ++next_segment;
-
- if (*path_segment == '.' && path_segment + 1 == path_segment_end)
- return found.first_element_by_path(next_segment, delimiter);
- else if (*path_segment == '.' && *(path_segment+1) == '.' && path_segment + 2 == path_segment_end)
- return found.parent().first_element_by_path(next_segment, delimiter);
- else
- {
- for (xml_node_struct* j = found._root->first_child; j; j = j->next_sibling)
- {
- if (j->name && !strcmprange(j->name, path_segment, path_segment_end))
- {
- xml_node subsearch = xml_node(j).first_element_by_path(next_segment, delimiter);
-
- if (subsearch) return subsearch;
- }
- }
-
- return xml_node();
- }
- }
-
- bool xml_node::traverse(xml_tree_walker& walker)
- {
- walker._depth = 0;
-
- if (!walker.begin(*this)) return false;
-
- xml_node cur = first_child();
-
- if (cur)
- {
- do
- {
- if (!walker.for_each(cur))
- return false;
-
- if (cur.first_child())
- {
- ++walker._depth;
- cur = cur.first_child();
- }
- else if (cur.next_sibling())
- cur = cur.next_sibling();
- else
- {
- // Borland C++ workaround
- while (!cur.next_sibling() && cur != *this && (bool)cur.parent())
- {
- --walker._depth;
- cur = cur.parent();
- }
-
- if (cur != *this)
- cur = cur.next_sibling();
- }
- }
- while (cur && cur != *this);
- }
-
- if (!walker.end(*this)) return false;
-
- return true;
- }
-
- unsigned int xml_node::document_order() const
- {
- return empty() ? 0 : _root->document_order;
- }
-
- void xml_node::precompute_document_order_impl()
- {
- if (type() != node_document) return;
-
- unsigned int current = 1;
- xml_node cur = *this;
-
- for (;;)
- {
- cur._root->document_order = current++;
-
- for (xml_attribute a = cur.first_attribute(); a; a = a.next_attribute())
- a._attr->document_order = current++;
-
- if (cur.first_child())
- cur = cur.first_child();
- else if (cur.next_sibling())
- cur = cur.next_sibling();
- else
- {
- while (cur && !cur.next_sibling()) cur = cur.parent();
- cur = cur.next_sibling();
-
- if (!cur) break;
- }
- }
- }
-
-#ifndef PUGIXML_NO_STL
- void xml_node::print(std::ostream& os, const char* indent, unsigned int flags, unsigned int depth)
- {
- if (empty()) return;
-
- if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
- for (unsigned int i = 0; i < depth; ++i) os << indent;
-
- switch (type())
- {
- case node_document:
- for (xml_node n = first_child(); n; n = n.next_sibling())
- n.print(os, indent, flags, depth);
- break;
-
- case node_element:
- {
- os << '<' << name();
-
- for (xml_attribute a = first_attribute(); a; a = a.next_attribute())
- {
- os << ' ' << a.name() << "=\"";
-
- if (flags & format_utf8)
- text_output_escaped<true, true>(os, a.value());
- else
- text_output_escaped<true, false>(os, a.value());
-
- os << "\"";
- }
-
- if (flags & format_raw)
- {
- if (!_root->first_child) // 0 children
- os << " />";
- else
- {
- os << ">";
- for (xml_node n = first_child(); n; n = n.next_sibling())
- n.print(os, indent, flags, depth + 1);
- os << "</" << name() << ">";
- }
- }
- else if (!_root->first_child) // 0 children
- os << " />\n";
- else if (_root->first_child == _root->last_child && first_child().type() == node_pcdata)
- {
- os << ">";
-
- if (flags & format_utf8)
- text_output_escaped<false, true>(os, first_child().value());
- else
- text_output_escaped<false, false>(os, first_child().value());
-
- os << "</" << name() << ">\n";
- }
- else
- {
- os << ">\n";
-
- for (xml_node n = first_child(); n; n = n.next_sibling())
- n.print(os, indent, flags, depth + 1);
-
- if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
- for (unsigned int i = 0; i < depth; ++i) os << indent;
-
- os << "</" << name() << ">\n";
- }
-
- break;
- }
- case node_pcdata:
- if (flags & format_utf8)
- text_output_escaped<false, true>(os, value());
- else
- text_output_escaped<false, false>(os, value());
- break;
-
- case node_cdata:
- os << "<![CDATA[" << value() << "]]>";
- if ((flags & format_raw) == 0) os << "\n";
- break;
-
- case node_comment:
- os << "<!--" << value() << "-->";
- if ((flags & format_raw) == 0) os << "\n";
- break;
-
- case node_pi:
- os << "<?" << name();
- if (value()[0]) os << ' ' << value();
- os << "?>";
- if ((flags & format_raw) == 0) os << "\n";
- break;
-
- default:
- ;
- }
- }
-#endif
-
-#ifdef __BORLANDC__
- bool operator&&(const xml_node& lhs, bool rhs)
- {
- return lhs ? rhs : false;
- }
-
- bool operator||(const xml_node& lhs, bool rhs)
- {
- return lhs ? true : rhs;
- }
-#endif
-
- xml_node_iterator::xml_node_iterator()
- {
- }
-
- xml_node_iterator::xml_node_iterator(const xml_node& node): _wrap(node)
- {
- }
-
- xml_node_iterator::xml_node_iterator(xml_node_struct* ref): _wrap(ref)
- {
- }
-
- xml_node_iterator::xml_node_iterator(xml_node_struct* ref, xml_node_struct* prev): _prev(prev), _wrap(ref)
- {
- }
-
- bool xml_node_iterator::operator==(const xml_node_iterator& rhs) const
- {
- return (_wrap == rhs._wrap);
- }
-
- bool xml_node_iterator::operator!=(const xml_node_iterator& rhs) const
- {
- return (_wrap != rhs._wrap);
- }
-
- xml_node& xml_node_iterator::operator*()
- {
- return _wrap;
- }
-
- xml_node* xml_node_iterator::operator->()
- {
- return &_wrap;
- }
-
- const xml_node_iterator& xml_node_iterator::operator++()
- {
- _prev = _wrap;
- _wrap = xml_node(_wrap._root->next_sibling);
- return *this;
- }
-
- xml_node_iterator xml_node_iterator::operator++(int)
- {
- xml_node_iterator temp = *this;
- ++*this;
- return temp;
- }
-
- const xml_node_iterator& xml_node_iterator::operator--()
- {
- if (_wrap._root) _wrap = xml_node(_wrap._root->prev_sibling);
- else _wrap = _prev;
- return *this;
- }
-
- xml_node_iterator xml_node_iterator::operator--(int)
- {
- xml_node_iterator temp = *this;
- --*this;
- return temp;
- }
-
- xml_attribute_iterator::xml_attribute_iterator()
- {
- }
-
- xml_attribute_iterator::xml_attribute_iterator(const xml_attribute& attr): _wrap(attr)
- {
- }
-
- xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref): _wrap(ref)
- {
- }
-
- xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref, xml_attribute_struct* prev): _prev(prev), _wrap(ref)
- {
- }
-
- bool xml_attribute_iterator::operator==(const xml_attribute_iterator& rhs) const
- {
- return (_wrap == rhs._wrap);
- }
-
- bool xml_attribute_iterator::operator!=(const xml_attribute_iterator& rhs) const
- {
- return (_wrap != rhs._wrap);
- }
-
- xml_attribute& xml_attribute_iterator::operator*()
- {
- return _wrap;
- }
-
- xml_attribute* xml_attribute_iterator::operator->()
- {
- return &_wrap;
- }
-
- const xml_attribute_iterator& xml_attribute_iterator::operator++()
- {
- _prev = _wrap;
- _wrap = xml_attribute(_wrap._attr->next_attribute);
- return *this;
- }
-
- xml_attribute_iterator xml_attribute_iterator::operator++(int)
- {
- xml_attribute_iterator temp = *this;
- ++*this;
- return temp;
- }
-
- const xml_attribute_iterator& xml_attribute_iterator::operator--()
- {
- if (_wrap._attr) _wrap = xml_attribute(_wrap._attr->prev_attribute);
- else _wrap = _prev;
- return *this;
- }
-
- xml_attribute_iterator xml_attribute_iterator::operator--(int)
- {
- xml_attribute_iterator temp = *this;
- --*this;
- return temp;
- }
-
- xml_memory_block::xml_memory_block(): next(0), size(0)
- {
- }
-
- xml_document::xml_document(): _buffer(0)
- {
- create();
- }
-
- xml_document::~xml_document()
- {
- free();
- }
-
- void xml_document::create()
- {
- xml_allocator alloc(&_memory);
-
- _root = alloc.allocate<xml_document_struct>(); // Allocate a new root.
- xml_allocator& a = static_cast<xml_document_struct*>(_root)->allocator;
- a = alloc;
- }
-
- void xml_document::free()
- {
- delete[] _buffer;
- _buffer = 0;
-
- if (_root) _root->free();
-
- xml_memory_block* current = _memory.next;
-
- while (current)
- {
- xml_memory_block* next = current->next;
- delete current;
- current = next;
- }
-
- _memory.next = 0;
- _memory.size = 0;
-
- create();
- }
-
-#ifndef PUGIXML_NO_STL
- bool xml_document::load(std::istream& stream, unsigned int options)
- {
- if (!stream.good()) return false;
-
- std::streamoff length, pos = stream.tellg();
- stream.seekg(0, std::ios_base::end);
- length = stream.tellg();
- stream.seekg(pos, std::ios_base::beg);
-
- if (!stream.good()) return false;
-
- char* s;
-
- try
- {
- s = new char[length + 1];
- }
- catch (const std::bad_alloc&)
- {
- return false;
- }
-
- stream.read(s, length);
- s[length] = 0;
-
- if (!stream.good())
- {
- delete[] s;
- return false;
- }
-
- return parse(transfer_ownership_tag(), s, options); // Parse the input string.
- }
-#endif
-
- bool xml_document::load(const char* contents, unsigned int options)
- {
- char* s;
-
- try
- {
- s = new char[strlen(contents) + 1];
- }
- catch (const std::bad_alloc&)
- {
- return false;
- }
-
- strcpy(s, contents);
-
- return parse(transfer_ownership_tag(), s, options); // Parse the input string.
- }
-
- bool xml_document::load_file(const char* name, unsigned int options)
- {
- FILE* file = fopen(name, "rb");
- if (!file) return false;
-
- fseek(file, 0, SEEK_END);
- long length = ftell(file);
- fseek(file, 0, SEEK_SET);
-
- if (length < 0)
- {
- fclose(file);
- return false;
- }
-
- char* s;
-
- try
- {
- s = new char[length + 1];
- }
- catch (const std::bad_alloc&)
- {
- fclose(file);
- return false;
- }
-
- size_t read = fread(s, (size_t)length, 1, file);
- fclose(file);
-
- if (read != 1)
- {
- delete[] s;
- return false;
- }
-
- s[length] = 0;
-
- return parse(transfer_ownership_tag(), s, options); // Parse the input string.
- }
-
- bool xml_document::parse(char* xmlstr, unsigned int options)
- {
- free();
-
- xml_allocator& alloc = static_cast<xml_document_struct*>(_root)->allocator;
-
- xml_parser parser(alloc);
-
- return parser.parse(xmlstr, _root, options); // Parse the input string.
- }
-
- bool xml_document::parse(const transfer_ownership_tag&, char* xmlstr, unsigned int options)
- {
- bool res = parse(xmlstr, options);
-
- if (res) _buffer = xmlstr;
-
- return res;
- }
-
-#ifndef PUGIXML_NO_STL
- bool xml_document::save_file(const char* name, const char* indent, unsigned int flags)
- {
- std::ofstream out(name, std::ios::out);
- if (!out) return false;
-
- if (flags & format_write_bom)
- {
- if (flags & format_utf8)
- {
- static const unsigned char utf8_bom[] = {0xEF, 0xBB, 0xBF};
- out.write(reinterpret_cast<const char*>(utf8_bom), 3);
- }
- }
-
- out << "<?xml version=\"1.0\"?>";
- if (!(flags & format_raw)) out << "\n";
- print(out, indent, flags);
-
- return true;
- }
-#endif
-
- void xml_document::precompute_document_order()
- {
- precompute_document_order_impl();
- }
-
-#ifndef PUGIXML_NO_STL
- std::string as_utf8(const wchar_t* str)
- {
- std::string result;
- result.reserve(strutf16_utf8_size(str));
-
- for (; *str; ++str)
- {
- char buffer[6];
-
- result.append(buffer, strutf16_utf8(buffer, *str));
- }
-
- return result;
- }
-
- std::wstring as_utf16(const char* str)
- {
- std::wstring result;
- result.reserve(strutf8_utf16_size(str));
-
- for (; *str;)
- {
- unsigned int ch;
- str = strutf8_utf16(str, ch);
- result += (wchar_t)ch;
- }
-
- return result;
- }
-#endif
-}
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 14:15:20 +0000