diff options
Diffstat (limited to 'src/pugixml.cpp')
-rw-r--r-- | src/pugixml.cpp | 4697 |
1 files changed, 2566 insertions, 2131 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index cf74eed..e812710 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -1,2134 +1,2569 @@ -///////////////////////////////////////////////////////////////////////////////
-//
-// Pug Improved XML Parser - Version 0.2
-// --------------------------------------------------------
-// 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 0.3 +// -------------------------------------------------------- +// 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). +// +/////////////////////////////////////////////////////////////////////////////// + #include "pugixml.hpp"
-
-#include <cstdlib>
-
-#include <new>
-
-namespace pugi
-{
- /// A 'name=value' XML attribute structure.
- struct xml_attribute_struct
- {
- /// Default ctor
- xml_attribute_struct();
-
- 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);
-
- xml_node_type type; ///< Node type; see xml_node_type.
- 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
- };
-
- class xml_allocator
- {
- public:
- xml_allocator(xml_memory_block* root): _root(root), _count(0)
- {
- }
-
- 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;
- unsigned int _count;
-
- 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;
-
- ++_count;
-
- return _root->data;
- }
- }
- };
-}
-
-namespace
-{
- namespace utf8
- {
- const unsigned char BYTE_MASK = 0xBF;
- const unsigned char BYTE_MARK = 0x80;
- const unsigned char BYTE_MASK_READ = 0x3F;
- const unsigned char 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, _, :, -, .
-
- };
-
- static 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, 64, 0, 1, 0, 48, 0, // 48-63
- 0, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, // 64-79
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 0, 16, 0, 64, // 80-95
- 0, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, // 96-111
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 0, 0, 0, 0, // 112-127
-
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
- 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
- };
-
- bool is_chartype(char c, chartype ct)
- {
- return !!(chartype_table[static_cast<unsigned char>(c)] & ct);
- }
-}
-
-namespace pugi
-{
- // Get the size that is needed for strutf16_utf8 applied to all s characters
- static size_t strutf16_utf8_size(const wchar_t* s)
- {
- size_t length = 0;
-
- for (; *s; ++s)
- {
- if (*s < 0x80) length += 1;
- else if (*s < 0x800) length += 2;
- else if (*s < 0x10000) length += 3;
- else if (*s < 0x200000) length += 4;
- }
-
- return length;
- }
-
- // Write utf16 char to stream, return position after the last written char
- // \param s - pointer to string
- // \param ch - char
- // \return position after the last char
- // \rem yes, this is trom TinyXML. How would you write it the other way, without switch trick?..
- static 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
- static 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
- // \param s - pointer to string
- // \param ch - char
- // \return position after the last char
- static 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);
- }
-
- struct xml_parser_impl
- {
- xml_allocator& alloc;
-
- 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;
- }
- };
-
- static 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 break;
- }
-
- if (*stre == ';') ++stre;
- }
- else // &#... (dec code)
- {
- while (*stre >= '0' && *stre <= '9')
- ucsc = 10 * ucsc + (*stre++ - '0');
-
- if (*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 == ';') // &
- {
- *s++ = '&';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- }
- else if (*stre == 'p') // &ap
- {
- if (*++stre == 'o' && *++stre == 's' && *++stre == ';') // '
- {
- *s++ = '\'';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- }
- break;
- }
- case 'g': // &g
- {
- if (*++stre == 't' && *++stre == ';') // >
- {
- *s++ = '>';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- case 'l': // &l
- {
- if (*++stre == 't' && *++stre == ';') // <
- {
- *s++ = '<';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- case 'q': // &q
- {
- if (*++stre == 'u' && *++stre == 'o' && *++stre == 't' && *++stre == ';') // "
- {
- *s++ = '"';
- ++stre;
-
- g.push(s, stre - s);
- return stre;
- }
- break;
- }
- }
-
- return stre;
- }
-
- static 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;
- }
- }
-
- static 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_escape, bool opt_eol> static char* strconv_pcdata(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 0;
- }
- else ++s;
- }
- }
-
- static char* strconv_pcdata(char* s, unsigned int opt_escape, unsigned int opt_eol)
- {
- if (opt_escape)
- return opt_eol ? strconv_pcdata<true, true>(s) : strconv_pcdata<true, false>(s);
- else
- return opt_eol ? strconv_pcdata<false, true>(s) : strconv_pcdata<false, false>(s);
- }
-
- template <bool opt_escape, bool opt_wnorm, bool opt_wconv, bool opt_eol> static char* strconv_attr(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;
- }
- }
-
- static void strconv_attr_setup(char* (*&func)(char*, char), unsigned int opt_escape, unsigned int opt_wnorm, unsigned int opt_wconv, unsigned int opt_eol)
- {
- if (opt_eol)
- {
- if (opt_wconv)
- {
- if (opt_escape)
- {
- if (opt_wnorm) func = &strconv_attr<true, true, true, true>;
- else func = &strconv_attr<true, false, true, true>;
- }
- else
- {
- if (opt_wnorm) func = &strconv_attr<false, true, true, true>;
- else func = &strconv_attr<false, false, true, true>;
- }
- }
- else
- {
- if (opt_escape)
- {
- if (opt_wnorm) func = &strconv_attr<true, true, false, true>;
- else func = &strconv_attr<true, false, false, true>;
- }
- else
- {
- if (opt_wnorm) func = &strconv_attr<false, true, false, true>;
- else func = &strconv_attr<false, false, false, true>;
- }
- }
- }
- else
- {
- if (opt_wconv)
- {
- if (opt_escape)
- {
- if (opt_wnorm) func = &strconv_attr<true, true, true, false>;
- else func = &strconv_attr<true, false, true, false>;
- }
- else
- {
- if (opt_wnorm) func = &strconv_attr<false, true, true, false>;
- else func = &strconv_attr<false, false, true, false>;
- }
- }
- else
- {
- if (opt_escape)
- {
- if (opt_wnorm) func = &strconv_attr<true, true, false, false>;
- else func = &strconv_attr<true, false, false, false>;
- }
- else
- {
- if (opt_wnorm) func = &strconv_attr<false, true, false, false>;
- else func = &strconv_attr<false, false, false, false>;
- }
- }
- }
- }
-
- // Allocate & append a new xml_node_struct onto the given parent.
- // \param parent - pointer to parent node.
- // \param type - desired node type.
- // \return pointer to the new node
- xml_node_struct* append_node(xml_node_struct* parent, xml_node_type type = node_element)
- {
- if(!parent) return 0; // Must have a parent.
-
- xml_node_struct* child = alloc.allocate<xml_node_struct>(type); // Allocate a new child.
- child->parent = parent; // Set it's parent pointer.
- if (parent->last_child)
- {
- parent->last_child->next_sibling = child;
- child->prev_sibling = parent->last_child;
- parent->last_child = child;
- }
- else parent->first_child = parent->last_child = child;
- return child;
- }
-
- // Allocate & append a new attribute to the given xml_node_struct.
- // \param node - pointer to parent node.
- // \return pointer to appended xml_attribute_struct.
- xml_attribute_struct* append_attribute(xml_node_struct* node)
- {
- if(!node) return 0;
- xml_attribute_struct* a = alloc.allocate<xml_attribute_struct>();
-
- if (node->last_attribute)
- {
- node->last_attribute->next_attribute = a;
- a->prev_attribute = node->last_attribute;
- node->last_attribute = a;
- }
- else node->first_attribute = node->last_attribute = a;
-
- return a;
- }
-
- // Parser utilities.
- #define SKIPWS() { while(is_chartype(*s, ct_space)) ++s; if(*s==0) return s; }
- #define OPTSET(OPT) ( optmsk & OPT )
- #define PUSHNODE(TYPE) { cursor = append_node(cursor,TYPE); }
- #define POPNODE() { cursor = cursor->parent; }
- #define SCANFOR(X) { while(*s!=0 && !(X)) ++s; if(*s==0) return s; }
- #define SCANWHILE(X) { while((X)) ++s; if(*s==0) return s; }
- #define ENDSEG() { ch = *s; *s = 0; ++s; if(*s==0) return s; }
-
- xml_parser_impl(xml_allocator& alloc): alloc(alloc)
- {
- for (unsigned int c = 0; c < 256; ++c)
- {
- }
- }
-
- // Static single-pass in-situ parse the given xml string.
- // \param s - pointer to XML-formatted string.
- // \param xmldoc - pointer to root.
- // \param optmsk - parse options mask.
- // \return last string position or NULL.
- char* parse(register char* s,xml_node_struct* xmldoc,unsigned int optmsk = parse_default)
- {
- if(!s || !xmldoc) return s;
-
- char* (*strconv_attribute)(char*, char);
-
- strconv_attr_setup(strconv_attribute, OPTSET(parse_escapes), OPTSET(parse_wnorm_attribute), OPTSET(parse_wconv_attribute), OPTSET(parse_eol));
-
- char ch = 0; // Current char, in cases where we must null-terminate before we test.
- xml_node_struct* cursor = xmldoc; // Tree node cursor.
- char* mark = s; // Marked string position for temporary look-ahead.
- while(*s!=0)
- {
- LOC_SEARCH: // Obliviously search for next element.
- SCANFOR(*s == '<'); // Find the next '<'.
- if(*s == '<')
- {
- ++s;
- LOC_CLASSIFY: // What kind of element?
- if(*s == '?') // '<?...'
- {
- ++s;
- if(is_chartype(*s, ct_symbol) && OPTSET(parse_pi))
- {
- mark = s;
- SCANWHILE(is_chartype(*s, ct_symbol)); // Read PI target
- ENDSEG();
-
- PUSHNODE(node_pi); // Append a new node on the tree.
-
- cursor->name = mark;
-
- if (is_chartype(ch, ct_space))
- {
- SKIPWS();
-
- mark = s;
- }
- else mark = 0;
-
- SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
- ENDSEG();
-
- cursor->value = mark;
-
- POPNODE();
-
- goto LOC_LEAVE;
- }
- else // Bad PI or parse_pi not set.
- {
- SCANFOR(*s == '?' && *(s+1) == '>'); // Look for '?>'.
- ++s;
- goto LOC_LEAVE;
- }
- }
- 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 s;
- }
- else
- {
- // Scan for terminating '-->'.
- SCANFOR(*s == '-' && *(s+1) == '-' && *(s+2) == '>');
-
- if (OPTSET(parse_comments))
- *s = 0; // Zero-terminate this segment at the first terminating '-'.
-
- s += 2; // Step over the '\0-'.
- }
-
- if (OPTSET(parse_comments))
- {
- POPNODE(); // Pop since this is a standalone.
- }
-
- goto LOC_LEAVE; // Look for any following PCDATA.
- }
- }
- 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 s;
- }
- else
- {
- // Scan for terminating ']]>'.
- SCANFOR(*s == ']' && *(s+1) == ']' && *(s+2) == '>');
- ENDSEG(); // Zero-terminate this segment.
- }
-
- 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) == '>');
- ++s;
- }
- ++s; // Step over the last ']'.
- goto LOC_LEAVE; // Look for any following PCDATA.
- }
- continue; // Probably a corrupted CDATA section, so just eat it.
- }
- else if(*s=='D' && *++s=='O' && *++s=='C' && *++s=='T' && *++s=='Y' && *++s=='P' && *++s=='E')
- {
- ++s;
- SKIPWS(); // Eat any whitespace.
- LOC_DOCTYPE:
- SCANWHILE(*s == '\'' || *s == '"' || *s == '[' || *s == '>');
- if(*s == '\'' || *s == '"') // '...SYSTEM "..."
- {
- ch = *s++;
- SCANFOR(*s == ch);
- ++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;
- }
- // Note: 's' now points to end of DTD, i.e.: ']'.
- SCANFOR(*s == '>');
- continue;
- }
- // Fall-through
- continue;
- }
- }
- else if(is_chartype(*s, ct_symbol)) // '<#...'
- {
- cursor = append_node(cursor); // Append a new node to the tree.
-
- cursor->name = s;
- SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
- ENDSEG(); // Save char in 'ch', terminate & step over.
- if (*s!=0 && ch == '/') // '</...'
- {
- SCANFOR(*s == '>'); // Scan for '>'
- POPNODE(); // Pop.
- goto LOC_LEAVE;
- }
- else if(*s!=0 && !is_chartype(ch, ct_space))
- {
- if (ch != '>') SCANWHILE(*s != '>');
- if (!*s) return s;
- goto LOC_PCDATA; // No attributes, so scan for PCDATA.
- }
- else if(*s!=0 && is_chartype(ch, ct_space))
- {
- SKIPWS(); // Eat any whitespace.
- LOC_ATTRIBUTE:
- if(is_chartype(*s, ct_symbol)) // <... #...
- {
- xml_attribute_struct* a = append_attribute(cursor); // Make space for this attribute.
- a->name = s; // Save the offset.
- SCANWHILE(is_chartype(*s, ct_symbol)); // Scan for a terminator.
- ENDSEG(); // Save char in 'ch', terminate & step over.
- if(*s!=0 && is_chartype(ch, ct_space)) SKIPWS(); // Eat any whitespace.
- if(*s!=0 && (ch == '=' || *s == '=')) // '<... #=...'
- {
- if(*s == '=') ++s;
- SKIPWS(); // Eat any whitespace.
- 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);
-
- if (!s) return s;
-
- if(*s == '>')
- {
- ++s;
- goto LOC_PCDATA;
- }
- else if(*s == '/')
- {
- ++s;
- POPNODE();
- SKIPWS(); // Eat any whitespace.
- goto LOC_LEAVE;
- }
- else if(is_chartype(*s, ct_space)) // This may indicate a following attribute.
- {
- SKIPWS(); // Eat any whitespace.
- goto LOC_ATTRIBUTE; // Go scan for additional attributes.
- }
- }
- }
- goto LOC_ATTRIBUTE;
- }
-
- SCANWHILE(*s != '>' && *s != '/');
- }
- LOC_LEAVE:
- if(*s == '>') // '...>'
- {
- ++s; // Step over the '>'.
- LOC_PCDATA: // '>...<'
- mark = s; // Save this offset while searching for a terminator.
- SKIPWS(); // Eat whitespace if no genuine PCDATA here.
- // We hit a '<...', with only whitespace, so don't bother storing anything.
- if((mark == s || !OPTSET(parse_ws_pcdata)) && *s == '<')
- {
- if(*(s+1) == '/') // '</...'
- {
- ++s;
- goto LOC_CLOSE;
- }
- else goto LOC_SEARCH; // Expect a new element enter, so go scan for it.
- }
-
- s = mark;
-
- bool preserve = OPTSET(parse_ext_pcdata) || cursor->type != node_document;
-
- if (preserve)
- {
- PUSHNODE(node_pcdata); // Append a new node on the tree.
- cursor->value = s; // Save the offset.
-
- s = strconv_pcdata(s, OPTSET(parse_escapes), OPTSET(parse_eol));
-
- if (!s) return s;
-
- POPNODE(); // Pop since this is a standalone.
- }
- else
- {
- SCANFOR(*s == '<'); // '...<'
- }
-
- // We're after '<...', otherwise we would not get here
- if(*s == '/') goto LOC_CLOSE;
- else if(*s == '!') goto LOC_CLASSIFY; // We hit a '<!...'. We must test this here if we want comments intermixed w/PCDATA.
- else if(*s) goto LOC_CLASSIFY;
- else return s;
- }
- // Fall-through A.
- else if(*s == '/') // '.../'
- {
- ++s;
- if(*s == '>') // '.../>'
- {
- POPNODE(); // Pop.
- goto LOC_LEAVE;
- }
- }
- }
- // Fall-through B.
- else if(*s == '/') // '.../'
- {
- LOC_CLOSE:
- ++s;
-
- if (OPTSET(parse_match_end_tags))
- {
- while (cursor && cursor->type != node_document)
- {
- char* tagname = s;
-
- // is it the matching tag?
- char* name = cursor->name;
-
- if (name)
- {
- while (*tagname && is_chartype(*tagname, ct_symbol))
- {
- if (*tagname++ != *name++) goto TAG_NEXTMATCH;
- }
-
- if (!*name)
- {
- // we've found matching tag
- POPNODE();
- s = tagname;
- break;
- }
- }
-
- TAG_NEXTMATCH:
- POPNODE();
- }
- }
- else if (OPTSET(parse_check_end_tags))
- {
- char* name = cursor->name;
- if (!name) return s;
-
- while (*s && is_chartype(*s, ct_symbol))
- {
- if (*s++ != *name++) return s;
- }
- if (*name) return s;
-
- POPNODE(); // Pop.
- }
- else
- {
- SCANFOR(*s == '>'); // '...>'
- POPNODE(); // Pop.
- }
-
- SKIPWS();
-
- goto LOC_LEAVE;
- }
- }
- }
- return s;
- }
-
- private:
- const xml_parser_impl& operator=(const xml_parser_impl&);
- };
-
- // Compare lhs with [rhs_begin, rhs_end)
- static 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.
- static 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.
- static 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 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;
- }
- }
-
- int strcmp(const char* lhs, const char* rhs)
- {
- return ::strcmp(lhs, rhs);
- }
-
- int strcmpwildimpl(const char* src, const char* dst)
- {
- return impl::strcmpwild(src, dst);
- }
-
- typedef int (*strcmpfunc)(const char*, const char*);
-
- xml_attribute_struct::xml_attribute_struct(): name(0), value(0), prev_attribute(0), next_attribute(0)
- {
- }
-
- xml_node_struct::xml_node_struct(xml_node_type type): type(type), parent(0), name(0), value(0), first_child(0), last_child(0), prev_sibling(0), next_sibling(0), first_attribute(0), last_attribute(0)
- {
- }
-
- xml_tree_walker::xml_tree_walker() : _deep(0)
- {
- }
-
- xml_tree_walker::~xml_tree_walker()
- {
- }
-
- void xml_tree_walker::push()
- {
- ++_deep;
- }
-
- void xml_tree_walker::pop()
- {
- --_deep;
- }
-
- int xml_tree_walker::depth() const
- {
- return (_deep > 0) ? _deep : 0;
- }
-
- bool xml_tree_walker::begin(const xml_node&)
- {
- return true;
- }
-
- bool xml_tree_walker::end(const xml_node&)
- {
- return true;
- }
-
- xml_attribute::xml_attribute(): _attr(0)
- {
- }
-
- xml_attribute::xml_attribute(const 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 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 : "";
- }
-
- xml_node::xml_node(): _root(0)
- {
- }
-
- xml_node::xml_node(const xml_node_struct* p): _root(p)
- {
- }
-
- xml_node::operator xml_node::unspecified_bool_type() const
- {
- return empty() ? 0 : &xml_node::_root;
- }
-
- 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::iterator xml_node::children_begin() const
- {
- return iterator(_root->first_child);
- }
-
- xml_node::iterator xml_node::children_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);
- }
-
- xml_node::iterator xml_node::siblings_begin() const
- {
- return parent().children_begin();
- }
-
- xml_node::iterator xml_node::siblings_end() const
- {
- return parent().children_end();
- }
-
- 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 || _root->type == node_null);
- }
-
- bool xml_node::type_document() const
- {
- return (_root && _root == _root->parent && _root->type == node_document);
- }
-
- const char* xml_node::name() const
- {
- return (!empty() && _root->name) ? _root->name : "";
- }
-
- xml_node_type xml_node::type() const
- {
- return (_root) ? (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::sibling(const char* name) const
- {
- if (!empty() && !type_document()) return parent().child(name);
- else return xml_node();
- }
-
- xml_node xml_node::sibling_w(const char* name) const
- {
- if (!empty() && !type_document()) return parent().child_w(name);
- else return xml_node();
- }
-
- 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 (!type_document()) ? xml_node(_root->parent) : xml_node();
- }
-
- const char* xml_node::child_value() const
- {
- if (!empty())
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- if ((i->type == node_pcdata || 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();
- }
-
- namespace impl
- {
- xml_node first_element(const xml_node_struct* node, const char* name, strcmpfunc pred)
- {
- for (xml_node_struct* i = node->first_child; i; i = i->next_sibling)
- {
- if (i->name && !pred(name, i->name)) return xml_node(i);
- else if (i->first_child)
- {
- xml_node found = first_element(i, name, pred);
- if (found) return found; // Found.
- }
- }
- return xml_node(); // Not found.
- }
- }
-
- xml_node xml_node::first_element(const char* name) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element(_root, name, &strcmp);
- }
-
- xml_node xml_node::first_element_w(const char* name) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element(_root, name, &strcmpwildimpl);
- }
-
- namespace impl
- {
- xml_node first_element_by_value(const xml_node_struct* node, const char* name, const char* value, strcmpfunc pred)
- {
- for (xml_node_struct* i = node->first_child; i; i = i->next_sibling)
- {
- if (i->name && !pred(name,i->name))
- {
- for (xml_node_struct* j = i->first_child; j; j = j->next_sibling)
- if (j->type == node_pcdata && j->value && !pred(value, j->value))
- return xml_node(i);
- }
- else if (i->first_child)
- {
- xml_node found = first_element_by_value(i, name, value, pred);
- if(!found.empty()) return found; // Found.
- }
- }
- return xml_node(); // Not found.
- }
- }
-
- xml_node xml_node::first_element_by_value(const char* name,const char* value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_value(_root, name, value, &strcmp);
- }
-
- xml_node xml_node::first_element_by_value_w(const char* name,const char* value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_value(_root, name, value, &strcmpwildimpl);
- }
-
- namespace impl
- {
- xml_node first_element_by_attribute(const xml_node_struct* node, const char* name, const char* attr_name, const char* attr_value, strcmpfunc pred)
- {
- for (xml_node_struct* i = node->first_child; i; i = i->next_sibling)
- {
- if (i->name && !pred(name, i->name))
- {
- for (xml_attribute_struct* j = i->first_attribute; j; j = j->next_attribute)
- {
- if (j->name && j->value && !pred(attr_name, j->name) && !pred(attr_value, j->value))
- return xml_node(i); // Wrap it up and return.
- }
- }
- else if (i->first_child)
- {
- xml_node found = first_element_by_attribute(i, name, attr_name, attr_value, pred);
- if(!found.empty()) return found; // Found.
- }
- }
- return xml_node(); // Not found.
- }
- }
-
- xml_node xml_node::first_element_by_attribute(const char* name,const char* attr_name,const char* attr_value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_attribute(_root, name, attr_name, attr_value, &strcmp);
- }
-
- xml_node xml_node::first_element_by_attribute_w(const char* name,const char* attr_name,const char* attr_value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_attribute(_root, name, attr_name, attr_value, &strcmpwildimpl);
- }
-
- namespace impl
- {
- xml_node first_element_by_attribute(const xml_node_struct* node, const char* attr_name,const char* attr_value, strcmpfunc pred)
- {
- for (xml_node_struct* i = node->first_child; i; i = i->next_sibling)
- {
- for (xml_attribute_struct* j = i->first_attribute; j; j = j->next_attribute)
- {
- if (j->name && j->value && !pred(attr_name, j->name) && !pred(attr_value, j->value))
- return xml_node(i); // Wrap it up and return.
- }
-
- if (i->first_child)
- {
- xml_node found = first_element_by_attribute(i->first_child, attr_name, attr_value, pred);
- if (!found.empty()) return found; // Found.
- }
- }
- return xml_node(); // Not found.
- }
- }
-
- xml_node xml_node::first_element_by_attribute(const char* attr_name,const char* attr_value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_attribute(_root, attr_name, attr_value, &strcmp);
- }
-
- xml_node xml_node::first_element_by_attribute_w(const char* attr_name,const char* attr_value) const
- {
- if (empty()) return xml_node();
-
- return impl::first_element_by_attribute(_root, attr_name, attr_value, &strcmpwildimpl);
- }
-
- xml_node xml_node::first_node(xml_node_type type) const
- {
- if(!_root) return xml_node();
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- {
- if (i->type == type) return xml_node(i);
- else if (i->first_child)
- {
- xml_node subsearch(i);
- xml_node found = subsearch.first_node(type);
- if(!found.empty()) return found; // Found.
- }
- }
- return xml_node(); // Not found.
- }
-
+ +#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); + } + #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.type_document()) // Loop to parent (stopping on actual root because it has no name).
- {
- cursor = cursor.parent();
-
- std::string temp = cursor.name();
- temp += delimiter;
- temp += path;
- path.swap(temp);
- }
-
- return path;
- }
+ 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 << "&"; + ++s; + break; + case '<': + os << "<"; + ++s; + break; + case '>': + os << ">"; + ++s; + break; + case '"': + os << """; + ++s; + break; + case '\'': + os << "'"; + ++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
-
- 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) const
- {
- if (!walker.begin(*this)) return false; // Send the callback for begin traverse if depth is zero.
- if(!empty()) // Don't traverse if this is a null node.
- {
- walker.push(); // Increment the walker depth counter.
-
- for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
- {
- xml_node subsearch(i);
- if (!subsearch.traverse(walker)) return false;
- }
- walker.pop(); // Decrement the walker depth counter.
- }
- if (!walker.end(*this)) return false; // Send the callback for end traverse if depth is zero.
-
- return true;
- }
-
- xml_node_iterator::xml_node_iterator()
- {
- }
-
- xml_node_iterator::xml_node_iterator(const xml_node& node): _wrap(node)
- {
- }
-
- xml_node_iterator::xml_node_iterator(const xml_node_struct* ref): _wrap(ref)
- {
- }
-
- xml_node_iterator::xml_node_iterator(const xml_node_struct* ref, const 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);
- }
-
- const xml_node& xml_node_iterator::operator*() const
- {
- return _wrap;
- }
-
- const xml_node* xml_node_iterator::operator->() const
- {
- 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(const xml_attribute_struct* ref): _wrap(ref)
- {
- }
-
- xml_attribute_iterator::xml_attribute_iterator(const xml_attribute_struct* ref, const 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);
- }
-
- const xml_attribute& xml_attribute_iterator::operator*() const
- {
- return _wrap;
- }
-
- const xml_attribute* xml_attribute_iterator::operator->() const
- {
- 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_parser::xml_parser(unsigned int optmsk): _buffer(0), _xmldoc(0), _optmsk(optmsk)
- {
- }
-
-#ifndef PUGIXML_NO_STL
- xml_parser::xml_parser(std::istream& stream,unsigned int optmsk): _buffer(0), _xmldoc(0), _optmsk(optmsk)
- {
- parse(stream, _optmsk);
- }
-#endif
-
- xml_parser::xml_parser(char* xmlstr,unsigned int optmsk): _buffer(0), _xmldoc(0), _optmsk(optmsk)
- {
- parse(xmlstr, _optmsk);
- }
-
- xml_parser::xml_parser(const transfer_ownership_tag& tag, char* xmlstr ,unsigned int optmsk): _buffer(0), _xmldoc(0), _optmsk(optmsk)
- {
- parse(tag, xmlstr, _optmsk);
- }
-
- xml_parser::~xml_parser()
- {
- free();
- }
-
- void xml_parser::free()
- {
- delete _buffer;
- _buffer = 0;
-
- xml_memory_block* current = _memory.next;
-
- while (current)
- {
- xml_memory_block* next = current->next;
- delete current;
- current = next;
- }
-
- _memory.next = 0;
- _memory.size = 0;
- }
-
- xml_parser::operator xml_node() const
- {
- return xml_node(_xmldoc);
- }
-
- xml_node xml_parser::document() const
- {
- return xml_node(_xmldoc);
- }
-
- unsigned int xml_parser::options() const
- {
- return _optmsk;
- }
-
- unsigned int xml_parser::options(unsigned int optmsk)
- {
- unsigned int prev = _optmsk;
- _optmsk = optmsk;
- return prev;
- }
-
-#ifndef PUGIXML_NO_STL
- void xml_parser::parse(std::istream& stream,unsigned int optmsk)
- {
- free();
-
- std::streamoff length = 0, pos = stream.tellg();
- stream.seekg(0, std::ios_base::end);
- length = stream.tellg();
- stream.seekg(pos, std::ios_base::beg);
-
- char* s = new char[length + 1];
- stream.read(s, length);
- s[length] = 0;
-
- parse(transfer_ownership_tag(), s, optmsk); // Parse the input string.
- }
-#endif
-
- char* xml_parser::parse(char* xmlstr,unsigned int optmsk)
- {
- free();
-
- if(!xmlstr) return 0;
-
- xml_allocator alloc(&_memory);
-
- _xmldoc = alloc.allocate<xml_node_struct>(node_document); // Allocate a new root.
- _xmldoc->parent = _xmldoc; // Point to self.
- if(optmsk != parse_noset) _optmsk = optmsk;
-
- xml_parser_impl parser(alloc);
-
- return parser.parse(xmlstr,_xmldoc,_optmsk); // Parse the input string.
- }
-
- char* xml_parser::parse(const transfer_ownership_tag&, char* xmlstr,unsigned int optmsk)
- {
- free();
-
- if(!xmlstr) return 0;
-
- _buffer = xmlstr;
-
- xml_allocator alloc(&_memory);
-
- _xmldoc = alloc.allocate<xml_node_struct>(node_document); // Allocate a new root.
- _xmldoc->parent = _xmldoc; // Point to self.
- if(optmsk != parse_noset) _optmsk = optmsk;
-
- xml_parser_impl parser(alloc);
-
- return parser.parse(xmlstr,_xmldoc,_optmsk); // Parse the input string.
- }
-
-#ifndef PUGIXML_NO_STL
- std::string 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 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 == ';') // & + { + *s++ = '&'; + ++stre; + + g.push(s, stre - s); + return stre; + } + } + else if (*stre == 'p') // &ap + { + if (*++stre == 'o' && *++stre == 's' && *++stre == ';') // ' + { + *s++ = '\''; + ++stre; + + g.push(s, stre - s); + return stre; + } + } + break; + } + case 'g': // &g + { + if (*++stre == 't' && *++stre == ';') // > + { + *s++ = '>'; + ++stre; + + g.push(s, stre - s); + return stre; + } + break; + } + case 'l': // &l + { + if (*++stre == 't' && *++stre == ';') // < + { + *s++ = '<'; + ++stre; + + g.push(s, stre - s); + return stre; + } + break; + } + case 'q': // &q + { + if (*++stre == 'u' && *++stre == 'o' && *++stre == 't' && *++stre == ';') // " + { + *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 +} |