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-rw-r--r--src/pugiutf.hpp358
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diff --git a/src/pugiutf.hpp b/src/pugiutf.hpp
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-/**
- * pugixml parser - version 0.5
- * --------------------------------------------------------
- * Copyright (C) 2006-2009, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://code.google.com/p/pugixml/
- *
- * This library is distributed under the MIT License. See notice at the end
- * of this file.
- *
- * This work is based on the pugxml parser, which is:
- * Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
- */
-
-#ifndef HEADER_PUGIUTF_HPP
-#define HEADER_PUGIUTF_HPP
-
-namespace pugi
-{
- namespace impl
- {
- typedef unsigned char char8_t;
- typedef unsigned short char16_t;
- typedef unsigned int char32_t;
-
- inline char16_t endian_swap(char16_t value)
- {
- return static_cast<char16_t>(((value & 0xff) << 8) | (value >> 8));
- }
-
- inline char32_t endian_swap(char32_t value)
- {
- return ((value & 0xff) << 24) | ((value & 0xff00) << 8) | ((value & 0xff0000) >> 8) | (value >> 24);
- }
-
- struct utf8_counter
- {
- typedef size_t value_type;
-
- static value_type low(value_type result, char32_t ch)
- {
- // U+0000..U+007F
- if (ch < 0x80) return result + 1;
- // U+0080..U+07FF
- else if (ch < 0x800) return result + 2;
- // U+0800..U+FFFF
- else return result + 3;
- }
-
- static value_type high(value_type result, char32_t)
- {
- // U+10000..U+10FFFF
- return result + 4;
- }
- };
-
- struct utf8_writer
- {
- typedef char8_t* value_type;
-
- static value_type low(value_type result, char32_t ch)
- {
- // U+0000..U+007F
- if (ch < 0x80)
- {
- *result = static_cast<char8_t>(ch);
- return result + 1;
- }
- // U+0080..U+07FF
- else if (ch < 0x800)
- {
- result[0] = static_cast<char8_t>(0xC0 | (ch >> 6));
- result[1] = static_cast<char8_t>(0x80 | (ch & 0x3F));
- return result + 2;
- }
- // U+0800..U+FFFF
- else
- {
- result[0] = static_cast<char8_t>(0xE0 | (ch >> 12));
- result[1] = static_cast<char8_t>(0x80 | ((ch >> 6) & 0x3F));
- result[2] = static_cast<char8_t>(0x80 | (ch & 0x3F));
- return result + 3;
- }
- }
-
- static value_type high(value_type result, char32_t ch)
- {
- // U+10000..U+10FFFF
- result[0] = static_cast<char8_t>(0xF0 | (ch >> 18));
- result[1] = static_cast<char8_t>(0x80 | ((ch >> 12) & 0x3F));
- result[2] = static_cast<char8_t>(0x80 | ((ch >> 6) & 0x3F));
- result[3] = static_cast<char8_t>(0x80 | (ch & 0x3F));
- return result + 4;
- }
-
- static value_type any(value_type result, char32_t ch)
- {
- return (ch < 0x10000) ? low(result, ch) : high(result, ch);
- }
- };
-
- struct utf16_counter
- {
- typedef size_t value_type;
-
- static value_type low(value_type result, char32_t)
- {
- return result + 1;
- }
-
- static value_type high(value_type result, char32_t)
- {
- return result + 2;
- }
- };
-
- struct utf16_writer
- {
- typedef char16_t* value_type;
-
- static value_type low(value_type result, char32_t ch)
- {
- *result = static_cast<char16_t>(ch);
-
- return result + 1;
- }
-
- static value_type high(value_type result, char32_t ch)
- {
- char32_t msh = (char32_t)(ch - 0x10000) >> 10;
- char32_t lsh = (char32_t)(ch - 0x10000) & 0x3ff;
-
- result[0] = static_cast<char16_t>(0xD800 + msh);
- result[1] = static_cast<char16_t>(0xDC00 + lsh);
-
- return result + 2;
- }
-
- static value_type any(value_type result, char32_t ch)
- {
- return (ch < 0x10000) ? low(result, ch) : high(result, ch);
- }
- };
-
- struct utf32_counter
- {
- typedef size_t value_type;
-
- static value_type low(value_type result, char32_t)
- {
- return result + 1;
- }
-
- static value_type high(value_type result, char32_t)
- {
- return result + 1;
- }
- };
-
- struct utf32_writer
- {
- typedef char32_t* value_type;
-
- static value_type low(value_type result, char32_t ch)
- {
- *result = ch;
-
- return result + 1;
- }
-
- static value_type high(value_type result, char32_t ch)
- {
- *result = ch;
-
- return result + 1;
- }
-
- static value_type any(value_type result, char32_t ch)
- {
- *result = ch;
-
- return result + 1;
- }
- };
-
- template <size_t size> struct wchar_selector;
-
- template <> struct wchar_selector<2>
- {
- typedef char16_t type;
- typedef utf16_counter counter;
- typedef utf16_writer writer;
- };
-
- template <> struct wchar_selector<4>
- {
- typedef char32_t type;
- typedef utf32_counter counter;
- typedef utf32_writer writer;
- };
-
- typedef wchar_selector<sizeof(wchar_t)>::counter wchar_counter;
- typedef wchar_selector<sizeof(wchar_t)>::writer wchar_writer;
-
- template <typename Traits> static inline typename Traits::value_type decode_utf8_block(const char8_t* data, size_t size, typename Traits::value_type result, Traits = Traits())
- {
- const char8_t utf8_byte_mask = 0x3f;
-
- const char8_t* end = data + size;
-
- while (data < end)
- {
- char8_t lead = *data;
-
- // 0xxxxxxx -> U+0000..U+007F
- if (lead < 0x80)
- {
- result = Traits::low(result, lead);
- data += 1;
- }
- // 110xxxxx -> U+0080..U+07FF
- else if ((unsigned)(lead - 0xC0) < 0x20 && data + 1 < end && (data[1] & 0xc0) == 0x80)
- {
- result = Traits::low(result, ((lead & ~0xC0) << 6) | (data[1] & utf8_byte_mask));
- data += 2;
- }
- // 1110xxxx -> U+0800-U+FFFF
- else if ((unsigned)(lead - 0xE0) < 0x10 && data + 2 < end && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80)
- {
- result = Traits::low(result, ((lead & ~0xE0) << 12) | ((data[1] & utf8_byte_mask) << 6) | (data[2] & utf8_byte_mask));
- data += 3;
- }
- // 11110xxx -> U+10000..U+10FFFF
- else if ((unsigned)(lead - 0xF0) < 0x08 && data + 3 < end && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80 && (data[3] & 0xc0) == 0x80)
- {
- result = Traits::high(result, ((lead & ~0xF0) << 18) | ((data[1] & utf8_byte_mask) << 12) | ((data[2] & utf8_byte_mask) << 6) | (data[3] & utf8_byte_mask));
- data += 4;
- }
- // 10xxxxxx or 11111xxx -> invalid
- else
- {
- data += 1;
- }
- }
-
- return result;
- }
-
- template <typename Traits, typename opt1> static inline typename Traits::value_type decode_utf16_block(const char16_t* data, size_t size, typename Traits::value_type result, opt1, Traits = Traits())
- {
- const bool swap = opt1::o1;
-
- const char16_t* end = data + size;
-
- while (data < end)
- {
- char16_t lead = swap ? endian_swap(*data) : *data;
-
- // U+0000..U+D7FF
- if (lead < 0xD800)
- {
- result = Traits::low(result, lead);
- data += 1;
- }
- // U+E000..U+FFFF
- else if ((unsigned)(lead - 0xE000) < 0x2000)
- {
- result = Traits::low(result, lead);
- data += 1;
- }
- // surrogate pair lead
- else if ((unsigned)(lead - 0xD800) < 0x400 && data + 1 < end)
- {
- char16_t next = swap ? endian_swap(data[1]) : data[1];
-
- if ((unsigned)(next - 0xDC00) < 0x400)
- {
- result = Traits::high(result, 0x10000 + ((lead & 0x3ff) << 10) + (next & 0x3ff));
- data += 2;
- }
- else
- {
- data += 1;
- }
- }
- else
- {
- data += 1;
- }
- }
-
- return result;
- }
-
- template <typename Traits, typename opt1> static inline typename Traits::value_type decode_utf32_block(const char32_t* data, size_t size, typename Traits::value_type result, opt1, Traits = Traits())
- {
- const bool swap = opt1::o1;
-
- const char32_t* end = data + size;
-
- while (data < end)
- {
- char32_t lead = swap ? endian_swap(*data) : *data;
-
- // U+0000..U+FFFF
- if (lead < 0x10000)
- {
- result = Traits::low(result, lead);
- data += 1;
- }
- // U+10000..U+10FFFF
- else
- {
- result = Traits::high(result, lead);
- data += 1;
- }
- }
-
- return result;
- }
-
- template <typename T> inline void convert_utf_endian_swap(T* result, const T* data, size_t length)
- {
- for (size_t i = 0; i < length; ++i) result[i] = endian_swap(data[i]);
- }
-
- inline void convert_wchar_endian_swap(wchar_t* result, const wchar_t* data, size_t length)
- {
- for (size_t i = 0; i < length; ++i) result[i] = static_cast<wchar_t>(endian_swap(static_cast<wchar_selector<sizeof(wchar_t)>::type>(data[i])));
- }
- }
-}
-
-#endif
-
-/**
- * Copyright (c) 2006-2009 Arseny Kapoulkine
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
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