2205 lines
54 KiB
C++
2205 lines
54 KiB
C++
/*
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Original code by Lee Thomason (www.grinninglizard.com)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#include "tinyxml2.h"
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#include <new> // yes, this one new style header, is in the Android SDK.
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# ifdef ANDROID_NDK
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# include <stddef.h>
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#else
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# include <cstddef>
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#endif
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static const char LINE_FEED = (char)0x0a; // all line endings are normalized to LF
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static const char LF = LINE_FEED;
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static const char CARRIAGE_RETURN = (char)0x0d; // CR gets filtered out
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static const char CR = CARRIAGE_RETURN;
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static const char SINGLE_QUOTE = '\'';
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static const char DOUBLE_QUOTE = '\"';
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// Bunch of unicode info at:
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// http://www.unicode.org/faq/utf_bom.html
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// ef bb bf (Microsoft "lead bytes") - designates UTF-8
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static const unsigned char TIXML_UTF_LEAD_0 = 0xefU;
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static const unsigned char TIXML_UTF_LEAD_1 = 0xbbU;
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static const unsigned char TIXML_UTF_LEAD_2 = 0xbfU;
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#define DELETE_NODE( node ) { \
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if ( node ) { \
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MemPool* pool = node->_memPool; \
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node->~XMLNode(); \
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pool->Free( node ); \
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} \
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}
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#define DELETE_ATTRIBUTE( attrib ) { \
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if ( attrib ) { \
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MemPool* pool = attrib->_memPool; \
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attrib->~XMLAttribute(); \
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pool->Free( attrib ); \
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} \
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}
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namespace tinyxml2
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{
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struct Entity {
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const char* pattern;
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int length;
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char value;
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};
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static const int NUM_ENTITIES = 5;
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static const Entity entities[NUM_ENTITIES] = {
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{ "quot", 4, DOUBLE_QUOTE },
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{ "amp", 3, '&' },
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{ "apos", 4, SINGLE_QUOTE },
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{ "lt", 2, '<' },
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{ "gt", 2, '>' }
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};
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StrPair::~StrPair()
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{
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Reset();
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}
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void StrPair::Reset()
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{
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if ( _flags & NEEDS_DELETE ) {
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delete [] _start;
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}
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_flags = 0;
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_start = 0;
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_end = 0;
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}
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void StrPair::SetStr( const char* str, int flags )
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{
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Reset();
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size_t len = strlen( str );
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_start = new char[ len+1 ];
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memcpy( _start, str, len+1 );
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_end = _start + len;
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_flags = flags | NEEDS_DELETE;
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}
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char* StrPair::ParseText( char* p, const char* endTag, int strFlags )
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{
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TIXMLASSERT( endTag && *endTag );
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char* start = p; // fixme: hides a member
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char endChar = *endTag;
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size_t length = strlen( endTag );
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// Inner loop of text parsing.
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while ( *p ) {
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if ( *p == endChar && strncmp( p, endTag, length ) == 0 ) {
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Set( start, p, strFlags );
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return p + length;
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}
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++p;
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}
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return 0;
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}
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char* StrPair::ParseName( char* p )
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{
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char* start = p;
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if ( !start || !(*start) ) {
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return 0;
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}
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while( *p && ( p == start ? XMLUtil::IsNameStartChar( *p ) : XMLUtil::IsNameChar( *p ) )) {
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++p;
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}
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if ( p > start ) {
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Set( start, p, 0 );
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return p;
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}
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return 0;
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}
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void StrPair::CollapseWhitespace()
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{
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// Trim leading space.
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_start = XMLUtil::SkipWhiteSpace( _start );
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if ( _start && *_start ) {
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char* p = _start; // the read pointer
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char* q = _start; // the write pointer
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while( *p ) {
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if ( XMLUtil::IsWhiteSpace( *p )) {
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p = XMLUtil::SkipWhiteSpace( p );
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if ( *p == 0 ) {
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break; // don't write to q; this trims the trailing space.
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}
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*q = ' ';
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++q;
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}
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*q = *p;
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++q;
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++p;
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}
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*q = 0;
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}
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}
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const char* StrPair::GetStr()
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{
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if ( _flags & NEEDS_FLUSH ) {
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*_end = 0;
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_flags ^= NEEDS_FLUSH;
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if ( _flags ) {
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char* p = _start; // the read pointer
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char* q = _start; // the write pointer
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while( p < _end ) {
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if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == CR ) {
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// CR-LF pair becomes LF
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// CR alone becomes LF
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// LF-CR becomes LF
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if ( *(p+1) == LF ) {
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p += 2;
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}
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else {
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++p;
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}
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*q++ = LF;
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}
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else if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == LF ) {
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if ( *(p+1) == CR ) {
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p += 2;
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}
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else {
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++p;
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}
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*q++ = LF;
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}
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else if ( (_flags & NEEDS_ENTITY_PROCESSING) && *p == '&' ) {
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// Entities handled by tinyXML2:
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// - special entities in the entity table [in/out]
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// - numeric character reference [in]
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// 中 or 中
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if ( *(p+1) == '#' ) {
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char buf[10] = { 0 };
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int len;
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p = const_cast<char*>( XMLUtil::GetCharacterRef( p, buf, &len ) );
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for( int i=0; i<len; ++i ) {
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*q++ = buf[i];
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}
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TIXMLASSERT( q <= p );
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}
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else {
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int i=0;
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for(; i<NUM_ENTITIES; ++i ) {
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if ( strncmp( p+1, entities[i].pattern, entities[i].length ) == 0
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&& *(p+entities[i].length+1) == ';' ) {
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// Found an entity convert;
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*q = entities[i].value;
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++q;
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p += entities[i].length + 2;
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break;
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}
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}
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if ( i == NUM_ENTITIES ) {
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// fixme: treat as error?
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++p;
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++q;
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}
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}
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}
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else {
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*q = *p;
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++p;
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++q;
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}
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}
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*q = 0;
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}
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// The loop below has plenty going on, and this
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// is a less useful mode. Break it out.
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if ( _flags & COLLAPSE_WHITESPACE ) {
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CollapseWhitespace();
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}
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_flags = (_flags & NEEDS_DELETE);
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}
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return _start;
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}
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// --------- XMLUtil ----------- //
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const char* XMLUtil::ReadBOM( const char* p, bool* bom )
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{
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*bom = false;
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const unsigned char* pu = reinterpret_cast<const unsigned char*>(p);
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// Check for BOM:
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if ( *(pu+0) == TIXML_UTF_LEAD_0
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&& *(pu+1) == TIXML_UTF_LEAD_1
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&& *(pu+2) == TIXML_UTF_LEAD_2 ) {
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*bom = true;
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p += 3;
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}
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return p;
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}
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void XMLUtil::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length )
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{
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const unsigned long BYTE_MASK = 0xBF;
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const unsigned long BYTE_MARK = 0x80;
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const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
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if (input < 0x80) {
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*length = 1;
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}
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else if ( input < 0x800 ) {
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*length = 2;
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}
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else if ( input < 0x10000 ) {
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*length = 3;
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}
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else if ( input < 0x200000 ) {
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*length = 4;
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}
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else {
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*length = 0; // This code won't covert this correctly anyway.
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return;
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}
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output += *length;
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// Scary scary fall throughs.
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switch (*length) {
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case 4:
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--output;
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 3:
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--output;
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 2:
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--output;
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 1:
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--output;
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*output = (char)(input | FIRST_BYTE_MARK[*length]);
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default:
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break;
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}
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}
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const char* XMLUtil::GetCharacterRef( const char* p, char* value, int* length )
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{
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// Presume an entity, and pull it out.
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*length = 0;
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if ( *(p+1) == '#' && *(p+2) ) {
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unsigned long ucs = 0;
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ptrdiff_t delta = 0;
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unsigned mult = 1;
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if ( *(p+2) == 'x' ) {
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// Hexadecimal.
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if ( !*(p+3) ) {
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return 0;
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}
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const char* q = p+3;
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q = strchr( q, ';' );
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if ( !q || !*q ) {
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return 0;
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}
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delta = q-p;
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--q;
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while ( *q != 'x' ) {
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if ( *q >= '0' && *q <= '9' ) {
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ucs += mult * (*q - '0');
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}
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else if ( *q >= 'a' && *q <= 'f' ) {
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ucs += mult * (*q - 'a' + 10);
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}
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else if ( *q >= 'A' && *q <= 'F' ) {
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ucs += mult * (*q - 'A' + 10 );
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}
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else {
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return 0;
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}
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mult *= 16;
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--q;
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}
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}
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else {
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// Decimal.
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if ( !*(p+2) ) {
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return 0;
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}
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const char* q = p+2;
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q = strchr( q, ';' );
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if ( !q || !*q ) {
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return 0;
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}
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delta = q-p;
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--q;
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while ( *q != '#' ) {
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if ( *q >= '0' && *q <= '9' ) {
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ucs += mult * (*q - '0');
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}
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else {
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return 0;
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}
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mult *= 10;
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--q;
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}
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}
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// convert the UCS to UTF-8
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ConvertUTF32ToUTF8( ucs, value, length );
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return p + delta + 1;
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}
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return p+1;
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}
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void XMLUtil::ToStr( int v, char* buffer, int bufferSize )
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{
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TIXML_SNPRINTF( buffer, bufferSize, "%d", v );
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}
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void XMLUtil::ToStr( unsigned v, char* buffer, int bufferSize )
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{
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TIXML_SNPRINTF( buffer, bufferSize, "%u", v );
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}
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void XMLUtil::ToStr( bool v, char* buffer, int bufferSize )
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{
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TIXML_SNPRINTF( buffer, bufferSize, "%d", v ? 1 : 0 );
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}
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/*
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ToStr() of a number is a very tricky topic.
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https://github.com/leethomason/tinyxml2/issues/106
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*/
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void XMLUtil::ToStr( float v, char* buffer, int bufferSize )
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{
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TIXML_SNPRINTF( buffer, bufferSize, "%.8g", v );
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}
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void XMLUtil::ToStr( double v, char* buffer, int bufferSize )
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{
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TIXML_SNPRINTF( buffer, bufferSize, "%.17g", v );
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}
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bool XMLUtil::ToInt( const char* str, int* value )
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{
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if ( TIXML_SSCANF( str, "%d", value ) == 1 ) {
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return true;
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}
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return false;
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}
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bool XMLUtil::ToUnsigned( const char* str, unsigned *value )
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{
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if ( TIXML_SSCANF( str, "%u", value ) == 1 ) {
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return true;
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}
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return false;
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}
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bool XMLUtil::ToBool( const char* str, bool* value )
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{
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int ival = 0;
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if ( ToInt( str, &ival )) {
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*value = (ival==0) ? false : true;
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return true;
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}
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if ( StringEqual( str, "true" ) ) {
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*value = true;
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return true;
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}
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else if ( StringEqual( str, "false" ) ) {
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*value = false;
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return true;
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}
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return false;
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}
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bool XMLUtil::ToFloat( const char* str, float* value )
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{
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if ( TIXML_SSCANF( str, "%f", value ) == 1 ) {
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return true;
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}
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return false;
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}
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bool XMLUtil::ToDouble( const char* str, double* value )
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{
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if ( TIXML_SSCANF( str, "%lf", value ) == 1 ) {
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return true;
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}
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return false;
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}
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char* XMLDocument::Identify( char* p, XMLNode** node )
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{
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XMLNode* returnNode = 0;
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char* start = p;
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p = XMLUtil::SkipWhiteSpace( p );
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if( !p || !*p ) {
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return p;
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}
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// What is this thing?
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// These strings define the matching patters:
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static const char* xmlHeader = { "<?" };
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static const char* commentHeader = { "<!--" };
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static const char* dtdHeader = { "<!" };
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static const char* cdataHeader = { "<![CDATA[" };
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static const char* elementHeader = { "<" }; // and a header for everything else; check last.
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static const int xmlHeaderLen = 2;
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static const int commentHeaderLen = 4;
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static const int dtdHeaderLen = 2;
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static const int cdataHeaderLen = 9;
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static const int elementHeaderLen = 1;
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|
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#if defined(_MSC_VER)
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#pragma warning ( push )
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#pragma warning ( disable : 4127 )
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#endif
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TIXMLASSERT( sizeof( XMLComment ) == sizeof( XMLUnknown ) ); // use same memory pool
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TIXMLASSERT( sizeof( XMLComment ) == sizeof( XMLDeclaration ) ); // use same memory pool
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#if defined(_MSC_VER)
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#pragma warning (pop)
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#endif
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if ( XMLUtil::StringEqual( p, xmlHeader, xmlHeaderLen ) ) {
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returnNode = new (_commentPool.Alloc()) XMLDeclaration( this );
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returnNode->_memPool = &_commentPool;
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p += xmlHeaderLen;
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}
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else if ( XMLUtil::StringEqual( p, commentHeader, commentHeaderLen ) ) {
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returnNode = new (_commentPool.Alloc()) XMLComment( this );
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returnNode->_memPool = &_commentPool;
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p += commentHeaderLen;
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}
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else if ( XMLUtil::StringEqual( p, cdataHeader, cdataHeaderLen ) ) {
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XMLText* text = new (_textPool.Alloc()) XMLText( this );
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returnNode = text;
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returnNode->_memPool = &_textPool;
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p += cdataHeaderLen;
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text->SetCData( true );
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}
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else if ( XMLUtil::StringEqual( p, dtdHeader, dtdHeaderLen ) ) {
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returnNode = new (_commentPool.Alloc()) XMLUnknown( this );
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returnNode->_memPool = &_commentPool;
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p += dtdHeaderLen;
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}
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else if ( XMLUtil::StringEqual( p, elementHeader, elementHeaderLen ) ) {
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returnNode = new (_elementPool.Alloc()) XMLElement( this );
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returnNode->_memPool = &_elementPool;
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p += elementHeaderLen;
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}
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else {
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returnNode = new (_textPool.Alloc()) XMLText( this );
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returnNode->_memPool = &_textPool;
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p = start; // Back it up, all the text counts.
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}
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*node = returnNode;
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return p;
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}
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|
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bool XMLDocument::Accept( XMLVisitor* visitor ) const
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|
{
|
|
if ( visitor->VisitEnter( *this ) ) {
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for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) {
|
|
if ( !node->Accept( visitor ) ) {
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break;
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}
|
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}
|
|
}
|
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return visitor->VisitExit( *this );
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}
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|
|
// --------- XMLNode ----------- //
|
|
|
|
XMLNode::XMLNode( XMLDocument* doc ) :
|
|
_document( doc ),
|
|
_parent( 0 ),
|
|
_firstChild( 0 ), _lastChild( 0 ),
|
|
_prev( 0 ), _next( 0 ),
|
|
_memPool( 0 )
|
|
{
|
|
}
|
|
|
|
|
|
XMLNode::~XMLNode()
|
|
{
|
|
DeleteChildren();
|
|
if ( _parent ) {
|
|
_parent->Unlink( this );
|
|
}
|
|
}
|
|
|
|
const char* XMLNode::Value() const
|
|
{
|
|
return _value.GetStr();
|
|
}
|
|
|
|
void XMLNode::SetValue( const char* str, bool staticMem )
|
|
{
|
|
if ( staticMem ) {
|
|
_value.SetInternedStr( str );
|
|
}
|
|
else {
|
|
_value.SetStr( str );
|
|
}
|
|
}
|
|
|
|
|
|
void XMLNode::DeleteChildren()
|
|
{
|
|
while( _firstChild ) {
|
|
XMLNode* node = _firstChild;
|
|
Unlink( node );
|
|
|
|
DELETE_NODE( node );
|
|
}
|
|
_firstChild = _lastChild = 0;
|
|
}
|
|
|
|
|
|
void XMLNode::Unlink( XMLNode* child )
|
|
{
|
|
if ( child == _firstChild ) {
|
|
_firstChild = _firstChild->_next;
|
|
}
|
|
if ( child == _lastChild ) {
|
|
_lastChild = _lastChild->_prev;
|
|
}
|
|
|
|
if ( child->_prev ) {
|
|
child->_prev->_next = child->_next;
|
|
}
|
|
if ( child->_next ) {
|
|
child->_next->_prev = child->_prev;
|
|
}
|
|
child->_parent = 0;
|
|
}
|
|
|
|
|
|
void XMLNode::DeleteChild( XMLNode* node )
|
|
{
|
|
TIXMLASSERT( node->_parent == this );
|
|
DELETE_NODE( node );
|
|
}
|
|
|
|
|
|
XMLNode* XMLNode::InsertEndChild( XMLNode* addThis )
|
|
{
|
|
if (addThis->_document != _document)
|
|
return 0;
|
|
|
|
if (addThis->_parent)
|
|
addThis->_parent->Unlink( addThis );
|
|
else
|
|
addThis->_memPool->SetTracked();
|
|
|
|
if ( _lastChild ) {
|
|
TIXMLASSERT( _firstChild );
|
|
TIXMLASSERT( _lastChild->_next == 0 );
|
|
_lastChild->_next = addThis;
|
|
addThis->_prev = _lastChild;
|
|
_lastChild = addThis;
|
|
|
|
addThis->_next = 0;
|
|
}
|
|
else {
|
|
TIXMLASSERT( _firstChild == 0 );
|
|
_firstChild = _lastChild = addThis;
|
|
|
|
addThis->_prev = 0;
|
|
addThis->_next = 0;
|
|
}
|
|
addThis->_parent = this;
|
|
return addThis;
|
|
}
|
|
|
|
|
|
XMLNode* XMLNode::InsertFirstChild( XMLNode* addThis )
|
|
{
|
|
if (addThis->_document != _document)
|
|
return 0;
|
|
|
|
if (addThis->_parent)
|
|
addThis->_parent->Unlink( addThis );
|
|
else
|
|
addThis->_memPool->SetTracked();
|
|
|
|
if ( _firstChild ) {
|
|
TIXMLASSERT( _lastChild );
|
|
TIXMLASSERT( _firstChild->_prev == 0 );
|
|
|
|
_firstChild->_prev = addThis;
|
|
addThis->_next = _firstChild;
|
|
_firstChild = addThis;
|
|
|
|
addThis->_prev = 0;
|
|
}
|
|
else {
|
|
TIXMLASSERT( _lastChild == 0 );
|
|
_firstChild = _lastChild = addThis;
|
|
|
|
addThis->_prev = 0;
|
|
addThis->_next = 0;
|
|
}
|
|
addThis->_parent = this;
|
|
return addThis;
|
|
}
|
|
|
|
|
|
XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis )
|
|
{
|
|
if (addThis->_document != _document)
|
|
return 0;
|
|
|
|
TIXMLASSERT( afterThis->_parent == this );
|
|
|
|
if ( afterThis->_parent != this ) {
|
|
return 0;
|
|
}
|
|
|
|
if ( afterThis->_next == 0 ) {
|
|
// The last node or the only node.
|
|
return InsertEndChild( addThis );
|
|
}
|
|
if (addThis->_parent)
|
|
addThis->_parent->Unlink( addThis );
|
|
else
|
|
addThis->_memPool->SetTracked();
|
|
addThis->_prev = afterThis;
|
|
addThis->_next = afterThis->_next;
|
|
afterThis->_next->_prev = addThis;
|
|
afterThis->_next = addThis;
|
|
addThis->_parent = this;
|
|
return addThis;
|
|
}
|
|
|
|
|
|
|
|
|
|
const XMLElement* XMLNode::FirstChildElement( const char* value ) const
|
|
{
|
|
for( XMLNode* node=_firstChild; node; node=node->_next ) {
|
|
XMLElement* element = node->ToElement();
|
|
if ( element ) {
|
|
if ( !value || XMLUtil::StringEqual( element->Name(), value ) ) {
|
|
return element;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const XMLElement* XMLNode::LastChildElement( const char* value ) const
|
|
{
|
|
for( XMLNode* node=_lastChild; node; node=node->_prev ) {
|
|
XMLElement* element = node->ToElement();
|
|
if ( element ) {
|
|
if ( !value || XMLUtil::StringEqual( element->Name(), value ) ) {
|
|
return element;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const XMLElement* XMLNode::NextSiblingElement( const char* value ) const
|
|
{
|
|
for( XMLNode* element=this->_next; element; element = element->_next ) {
|
|
if ( element->ToElement()
|
|
&& (!value || XMLUtil::StringEqual( value, element->Value() ))) {
|
|
return element->ToElement();
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const XMLElement* XMLNode::PreviousSiblingElement( const char* value ) const
|
|
{
|
|
for( XMLNode* element=_prev; element; element = element->_prev ) {
|
|
if ( element->ToElement()
|
|
&& (!value || XMLUtil::StringEqual( value, element->Value() ))) {
|
|
return element->ToElement();
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
char* XMLNode::ParseDeep( char* p, StrPair* parentEnd )
|
|
{
|
|
// This is a recursive method, but thinking about it "at the current level"
|
|
// it is a pretty simple flat list:
|
|
// <foo/>
|
|
// <!-- comment -->
|
|
//
|
|
// With a special case:
|
|
// <foo>
|
|
// </foo>
|
|
// <!-- comment -->
|
|
//
|
|
// Where the closing element (/foo) *must* be the next thing after the opening
|
|
// element, and the names must match. BUT the tricky bit is that the closing
|
|
// element will be read by the child.
|
|
//
|
|
// 'endTag' is the end tag for this node, it is returned by a call to a child.
|
|
// 'parentEnd' is the end tag for the parent, which is filled in and returned.
|
|
|
|
while( p && *p ) {
|
|
XMLNode* node = 0;
|
|
|
|
p = _document->Identify( p, &node );
|
|
if ( p == 0 || node == 0 ) {
|
|
break;
|
|
}
|
|
|
|
StrPair endTag;
|
|
p = node->ParseDeep( p, &endTag );
|
|
if ( !p ) {
|
|
DELETE_NODE( node );
|
|
node = 0;
|
|
if ( !_document->Error() ) {
|
|
_document->SetError( XML_ERROR_PARSING, 0, 0 );
|
|
}
|
|
break;
|
|
}
|
|
|
|
// We read the end tag. Return it to the parent.
|
|
if ( node->ToElement() && node->ToElement()->ClosingType() == XMLElement::CLOSING ) {
|
|
if ( parentEnd ) {
|
|
*parentEnd = static_cast<XMLElement*>(node)->_value;
|
|
}
|
|
node->_memPool->SetTracked(); // created and then immediately deleted.
|
|
DELETE_NODE( node );
|
|
return p;
|
|
}
|
|
|
|
// Handle an end tag returned to this level.
|
|
// And handle a bunch of annoying errors.
|
|
XMLElement* ele = node->ToElement();
|
|
if ( ele ) {
|
|
if ( endTag.Empty() && ele->ClosingType() == XMLElement::OPEN ) {
|
|
_document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
|
|
p = 0;
|
|
}
|
|
else if ( !endTag.Empty() && ele->ClosingType() != XMLElement::OPEN ) {
|
|
_document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
|
|
p = 0;
|
|
}
|
|
else if ( !endTag.Empty() ) {
|
|
if ( !XMLUtil::StringEqual( endTag.GetStr(), node->Value() )) {
|
|
_document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
|
|
p = 0;
|
|
}
|
|
}
|
|
}
|
|
if ( p == 0 ) {
|
|
DELETE_NODE( node );
|
|
node = 0;
|
|
}
|
|
if ( node ) {
|
|
this->InsertEndChild( node );
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// --------- XMLText ---------- //
|
|
char* XMLText::ParseDeep( char* p, StrPair* )
|
|
{
|
|
const char* start = p;
|
|
if ( this->CData() ) {
|
|
p = _value.ParseText( p, "]]>", StrPair::NEEDS_NEWLINE_NORMALIZATION );
|
|
if ( !p ) {
|
|
_document->SetError( XML_ERROR_PARSING_CDATA, start, 0 );
|
|
}
|
|
return p;
|
|
}
|
|
else {
|
|
int flags = _document->ProcessEntities() ? StrPair::TEXT_ELEMENT : StrPair::TEXT_ELEMENT_LEAVE_ENTITIES;
|
|
if ( _document->WhitespaceMode() == COLLAPSE_WHITESPACE ) {
|
|
flags |= StrPair::COLLAPSE_WHITESPACE;
|
|
}
|
|
|
|
p = _value.ParseText( p, "<", flags );
|
|
if ( !p ) {
|
|
_document->SetError( XML_ERROR_PARSING_TEXT, start, 0 );
|
|
}
|
|
if ( p && *p ) {
|
|
return p-1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
XMLNode* XMLText::ShallowClone( XMLDocument* doc ) const
|
|
{
|
|
if ( !doc ) {
|
|
doc = _document;
|
|
}
|
|
XMLText* text = doc->NewText( Value() ); // fixme: this will always allocate memory. Intern?
|
|
text->SetCData( this->CData() );
|
|
return text;
|
|
}
|
|
|
|
|
|
bool XMLText::ShallowEqual( const XMLNode* compare ) const
|
|
{
|
|
return ( compare->ToText() && XMLUtil::StringEqual( compare->ToText()->Value(), Value() ));
|
|
}
|
|
|
|
|
|
bool XMLText::Accept( XMLVisitor* visitor ) const
|
|
{
|
|
return visitor->Visit( *this );
|
|
}
|
|
|
|
|
|
// --------- XMLComment ---------- //
|
|
|
|
XMLComment::XMLComment( XMLDocument* doc ) : XMLNode( doc )
|
|
{
|
|
}
|
|
|
|
|
|
XMLComment::~XMLComment()
|
|
{
|
|
}
|
|
|
|
|
|
char* XMLComment::ParseDeep( char* p, StrPair* )
|
|
{
|
|
// Comment parses as text.
|
|
const char* start = p;
|
|
p = _value.ParseText( p, "-->", StrPair::COMMENT );
|
|
if ( p == 0 ) {
|
|
_document->SetError( XML_ERROR_PARSING_COMMENT, start, 0 );
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
XMLNode* XMLComment::ShallowClone( XMLDocument* doc ) const
|
|
{
|
|
if ( !doc ) {
|
|
doc = _document;
|
|
}
|
|
XMLComment* comment = doc->NewComment( Value() ); // fixme: this will always allocate memory. Intern?
|
|
return comment;
|
|
}
|
|
|
|
|
|
bool XMLComment::ShallowEqual( const XMLNode* compare ) const
|
|
{
|
|
return ( compare->ToComment() && XMLUtil::StringEqual( compare->ToComment()->Value(), Value() ));
|
|
}
|
|
|
|
|
|
bool XMLComment::Accept( XMLVisitor* visitor ) const
|
|
{
|
|
return visitor->Visit( *this );
|
|
}
|
|
|
|
|
|
// --------- XMLDeclaration ---------- //
|
|
|
|
XMLDeclaration::XMLDeclaration( XMLDocument* doc ) : XMLNode( doc )
|
|
{
|
|
}
|
|
|
|
|
|
XMLDeclaration::~XMLDeclaration()
|
|
{
|
|
//printf( "~XMLDeclaration\n" );
|
|
}
|
|
|
|
|
|
char* XMLDeclaration::ParseDeep( char* p, StrPair* )
|
|
{
|
|
// Declaration parses as text.
|
|
const char* start = p;
|
|
p = _value.ParseText( p, "?>", StrPair::NEEDS_NEWLINE_NORMALIZATION );
|
|
if ( p == 0 ) {
|
|
_document->SetError( XML_ERROR_PARSING_DECLARATION, start, 0 );
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
XMLNode* XMLDeclaration::ShallowClone( XMLDocument* doc ) const
|
|
{
|
|
if ( !doc ) {
|
|
doc = _document;
|
|
}
|
|
XMLDeclaration* dec = doc->NewDeclaration( Value() ); // fixme: this will always allocate memory. Intern?
|
|
return dec;
|
|
}
|
|
|
|
|
|
bool XMLDeclaration::ShallowEqual( const XMLNode* compare ) const
|
|
{
|
|
return ( compare->ToDeclaration() && XMLUtil::StringEqual( compare->ToDeclaration()->Value(), Value() ));
|
|
}
|
|
|
|
|
|
|
|
bool XMLDeclaration::Accept( XMLVisitor* visitor ) const
|
|
{
|
|
return visitor->Visit( *this );
|
|
}
|
|
|
|
// --------- XMLUnknown ---------- //
|
|
|
|
XMLUnknown::XMLUnknown( XMLDocument* doc ) : XMLNode( doc )
|
|
{
|
|
}
|
|
|
|
|
|
XMLUnknown::~XMLUnknown()
|
|
{
|
|
}
|
|
|
|
|
|
char* XMLUnknown::ParseDeep( char* p, StrPair* )
|
|
{
|
|
// Unknown parses as text.
|
|
const char* start = p;
|
|
|
|
p = _value.ParseText( p, ">", StrPair::NEEDS_NEWLINE_NORMALIZATION );
|
|
if ( !p ) {
|
|
_document->SetError( XML_ERROR_PARSING_UNKNOWN, start, 0 );
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
XMLNode* XMLUnknown::ShallowClone( XMLDocument* doc ) const
|
|
{
|
|
if ( !doc ) {
|
|
doc = _document;
|
|
}
|
|
XMLUnknown* text = doc->NewUnknown( Value() ); // fixme: this will always allocate memory. Intern?
|
|
return text;
|
|
}
|
|
|
|
|
|
bool XMLUnknown::ShallowEqual( const XMLNode* compare ) const
|
|
{
|
|
return ( compare->ToUnknown() && XMLUtil::StringEqual( compare->ToUnknown()->Value(), Value() ));
|
|
}
|
|
|
|
|
|
bool XMLUnknown::Accept( XMLVisitor* visitor ) const
|
|
{
|
|
return visitor->Visit( *this );
|
|
}
|
|
|
|
// --------- XMLAttribute ---------- //
|
|
|
|
const char* XMLAttribute::Name() const
|
|
{
|
|
return _name.GetStr();
|
|
}
|
|
|
|
const char* XMLAttribute::Value() const
|
|
{
|
|
return _value.GetStr();
|
|
}
|
|
|
|
char* XMLAttribute::ParseDeep( char* p, bool processEntities )
|
|
{
|
|
// Parse using the name rules: bug fix, was using ParseText before
|
|
p = _name.ParseName( p );
|
|
if ( !p || !*p ) {
|
|
return 0;
|
|
}
|
|
|
|
// Skip white space before =
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
if ( !p || *p != '=' ) {
|
|
return 0;
|
|
}
|
|
|
|
++p; // move up to opening quote
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
if ( *p != '\"' && *p != '\'' ) {
|
|
return 0;
|
|
}
|
|
|
|
char endTag[2] = { *p, 0 };
|
|
++p; // move past opening quote
|
|
|
|
p = _value.ParseText( p, endTag, processEntities ? StrPair::ATTRIBUTE_VALUE : StrPair::ATTRIBUTE_VALUE_LEAVE_ENTITIES );
|
|
return p;
|
|
}
|
|
|
|
|
|
void XMLAttribute::SetName( const char* n )
|
|
{
|
|
_name.SetStr( n );
|
|
}
|
|
|
|
|
|
XMLError XMLAttribute::QueryIntValue( int* value ) const
|
|
{
|
|
if ( XMLUtil::ToInt( Value(), value )) {
|
|
return XML_NO_ERROR;
|
|
}
|
|
return XML_WRONG_ATTRIBUTE_TYPE;
|
|
}
|
|
|
|
|
|
XMLError XMLAttribute::QueryUnsignedValue( unsigned int* value ) const
|
|
{
|
|
if ( XMLUtil::ToUnsigned( Value(), value )) {
|
|
return XML_NO_ERROR;
|
|
}
|
|
return XML_WRONG_ATTRIBUTE_TYPE;
|
|
}
|
|
|
|
|
|
XMLError XMLAttribute::QueryBoolValue( bool* value ) const
|
|
{
|
|
if ( XMLUtil::ToBool( Value(), value )) {
|
|
return XML_NO_ERROR;
|
|
}
|
|
return XML_WRONG_ATTRIBUTE_TYPE;
|
|
}
|
|
|
|
|
|
XMLError XMLAttribute::QueryFloatValue( float* value ) const
|
|
{
|
|
if ( XMLUtil::ToFloat( Value(), value )) {
|
|
return XML_NO_ERROR;
|
|
}
|
|
return XML_WRONG_ATTRIBUTE_TYPE;
|
|
}
|
|
|
|
|
|
XMLError XMLAttribute::QueryDoubleValue( double* value ) const
|
|
{
|
|
if ( XMLUtil::ToDouble( Value(), value )) {
|
|
return XML_NO_ERROR;
|
|
}
|
|
return XML_WRONG_ATTRIBUTE_TYPE;
|
|
}
|
|
|
|
|
|
void XMLAttribute::SetAttribute( const char* v )
|
|
{
|
|
_value.SetStr( v );
|
|
}
|
|
|
|
|
|
void XMLAttribute::SetAttribute( int v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
_value.SetStr( buf );
|
|
}
|
|
|
|
|
|
void XMLAttribute::SetAttribute( unsigned v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
_value.SetStr( buf );
|
|
}
|
|
|
|
|
|
void XMLAttribute::SetAttribute( bool v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
_value.SetStr( buf );
|
|
}
|
|
|
|
void XMLAttribute::SetAttribute( double v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
_value.SetStr( buf );
|
|
}
|
|
|
|
void XMLAttribute::SetAttribute( float v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
_value.SetStr( buf );
|
|
}
|
|
|
|
|
|
// --------- XMLElement ---------- //
|
|
XMLElement::XMLElement( XMLDocument* doc ) : XMLNode( doc ),
|
|
_closingType( 0 ),
|
|
_rootAttribute( 0 )
|
|
{
|
|
}
|
|
|
|
|
|
XMLElement::~XMLElement()
|
|
{
|
|
while( _rootAttribute ) {
|
|
XMLAttribute* next = _rootAttribute->_next;
|
|
DELETE_ATTRIBUTE( _rootAttribute );
|
|
_rootAttribute = next;
|
|
}
|
|
}
|
|
|
|
|
|
XMLAttribute* XMLElement::FindAttribute( const char* name )
|
|
{
|
|
XMLAttribute* a = 0;
|
|
for( a=_rootAttribute; a; a = a->_next ) {
|
|
if ( XMLUtil::StringEqual( a->Name(), name ) ) {
|
|
return a;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const XMLAttribute* XMLElement::FindAttribute( const char* name ) const
|
|
{
|
|
XMLAttribute* a = 0;
|
|
for( a=_rootAttribute; a; a = a->_next ) {
|
|
if ( XMLUtil::StringEqual( a->Name(), name ) ) {
|
|
return a;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const char* XMLElement::Attribute( const char* name, const char* value ) const
|
|
{
|
|
const XMLAttribute* a = FindAttribute( name );
|
|
if ( !a ) {
|
|
return 0;
|
|
}
|
|
if ( !value || XMLUtil::StringEqual( a->Value(), value )) {
|
|
return a->Value();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const char* XMLElement::GetText() const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
return FirstChild()->ToText()->Value();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( const char* inText )
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() )
|
|
FirstChild()->SetValue( inText );
|
|
else {
|
|
XMLText* theText = GetDocument()->NewText( inText );
|
|
InsertFirstChild( theText );
|
|
}
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( int v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
SetText( buf );
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( unsigned v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
SetText( buf );
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( bool v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
SetText( buf );
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( float v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
SetText( buf );
|
|
}
|
|
|
|
|
|
void XMLElement::SetText( double v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
SetText( buf );
|
|
}
|
|
|
|
|
|
XMLError XMLElement::QueryIntText( int* ival ) const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
const char* t = FirstChild()->ToText()->Value();
|
|
if ( XMLUtil::ToInt( t, ival ) ) {
|
|
return XML_SUCCESS;
|
|
}
|
|
return XML_CAN_NOT_CONVERT_TEXT;
|
|
}
|
|
return XML_NO_TEXT_NODE;
|
|
}
|
|
|
|
|
|
XMLError XMLElement::QueryUnsignedText( unsigned* uval ) const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
const char* t = FirstChild()->ToText()->Value();
|
|
if ( XMLUtil::ToUnsigned( t, uval ) ) {
|
|
return XML_SUCCESS;
|
|
}
|
|
return XML_CAN_NOT_CONVERT_TEXT;
|
|
}
|
|
return XML_NO_TEXT_NODE;
|
|
}
|
|
|
|
|
|
XMLError XMLElement::QueryBoolText( bool* bval ) const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
const char* t = FirstChild()->ToText()->Value();
|
|
if ( XMLUtil::ToBool( t, bval ) ) {
|
|
return XML_SUCCESS;
|
|
}
|
|
return XML_CAN_NOT_CONVERT_TEXT;
|
|
}
|
|
return XML_NO_TEXT_NODE;
|
|
}
|
|
|
|
|
|
XMLError XMLElement::QueryDoubleText( double* dval ) const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
const char* t = FirstChild()->ToText()->Value();
|
|
if ( XMLUtil::ToDouble( t, dval ) ) {
|
|
return XML_SUCCESS;
|
|
}
|
|
return XML_CAN_NOT_CONVERT_TEXT;
|
|
}
|
|
return XML_NO_TEXT_NODE;
|
|
}
|
|
|
|
|
|
XMLError XMLElement::QueryFloatText( float* fval ) const
|
|
{
|
|
if ( FirstChild() && FirstChild()->ToText() ) {
|
|
const char* t = FirstChild()->ToText()->Value();
|
|
if ( XMLUtil::ToFloat( t, fval ) ) {
|
|
return XML_SUCCESS;
|
|
}
|
|
return XML_CAN_NOT_CONVERT_TEXT;
|
|
}
|
|
return XML_NO_TEXT_NODE;
|
|
}
|
|
|
|
|
|
|
|
XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name )
|
|
{
|
|
XMLAttribute* last = 0;
|
|
XMLAttribute* attrib = 0;
|
|
for( attrib = _rootAttribute;
|
|
attrib;
|
|
last = attrib, attrib = attrib->_next ) {
|
|
if ( XMLUtil::StringEqual( attrib->Name(), name ) ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( !attrib ) {
|
|
attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
|
|
attrib->_memPool = &_document->_attributePool;
|
|
if ( last ) {
|
|
last->_next = attrib;
|
|
}
|
|
else {
|
|
_rootAttribute = attrib;
|
|
}
|
|
attrib->SetName( name );
|
|
attrib->_memPool->SetTracked(); // always created and linked.
|
|
}
|
|
return attrib;
|
|
}
|
|
|
|
|
|
void XMLElement::DeleteAttribute( const char* name )
|
|
{
|
|
XMLAttribute* prev = 0;
|
|
for( XMLAttribute* a=_rootAttribute; a; a=a->_next ) {
|
|
if ( XMLUtil::StringEqual( name, a->Name() ) ) {
|
|
if ( prev ) {
|
|
prev->_next = a->_next;
|
|
}
|
|
else {
|
|
_rootAttribute = a->_next;
|
|
}
|
|
DELETE_ATTRIBUTE( a );
|
|
break;
|
|
}
|
|
prev = a;
|
|
}
|
|
}
|
|
|
|
|
|
char* XMLElement::ParseAttributes( char* p )
|
|
{
|
|
const char* start = p;
|
|
XMLAttribute* prevAttribute = 0;
|
|
|
|
// Read the attributes.
|
|
while( p ) {
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
if ( !p || !(*p) ) {
|
|
_document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() );
|
|
return 0;
|
|
}
|
|
|
|
// attribute.
|
|
if (XMLUtil::IsNameStartChar( *p ) ) {
|
|
XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
|
|
attrib->_memPool = &_document->_attributePool;
|
|
attrib->_memPool->SetTracked();
|
|
|
|
p = attrib->ParseDeep( p, _document->ProcessEntities() );
|
|
if ( !p || Attribute( attrib->Name() ) ) {
|
|
DELETE_ATTRIBUTE( attrib );
|
|
_document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p );
|
|
return 0;
|
|
}
|
|
// There is a minor bug here: if the attribute in the source xml
|
|
// document is duplicated, it will not be detected and the
|
|
// attribute will be doubly added. However, tracking the 'prevAttribute'
|
|
// avoids re-scanning the attribute list. Preferring performance for
|
|
// now, may reconsider in the future.
|
|
if ( prevAttribute ) {
|
|
prevAttribute->_next = attrib;
|
|
}
|
|
else {
|
|
_rootAttribute = attrib;
|
|
}
|
|
prevAttribute = attrib;
|
|
}
|
|
// end of the tag
|
|
else if ( *p == '/' && *(p+1) == '>' ) {
|
|
_closingType = CLOSED;
|
|
return p+2; // done; sealed element.
|
|
}
|
|
// end of the tag
|
|
else if ( *p == '>' ) {
|
|
++p;
|
|
break;
|
|
}
|
|
else {
|
|
_document->SetError( XML_ERROR_PARSING_ELEMENT, start, p );
|
|
return 0;
|
|
}
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
//
|
|
// <ele></ele>
|
|
// <ele>foo<b>bar</b></ele>
|
|
//
|
|
char* XMLElement::ParseDeep( char* p, StrPair* strPair )
|
|
{
|
|
// Read the element name.
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
if ( !p ) {
|
|
return 0;
|
|
}
|
|
|
|
// The closing element is the </element> form. It is
|
|
// parsed just like a regular element then deleted from
|
|
// the DOM.
|
|
if ( *p == '/' ) {
|
|
_closingType = CLOSING;
|
|
++p;
|
|
}
|
|
|
|
p = _value.ParseName( p );
|
|
if ( _value.Empty() ) {
|
|
return 0;
|
|
}
|
|
|
|
p = ParseAttributes( p );
|
|
if ( !p || !*p || _closingType ) {
|
|
return p;
|
|
}
|
|
|
|
p = XMLNode::ParseDeep( p, strPair );
|
|
return p;
|
|
}
|
|
|
|
|
|
|
|
XMLNode* XMLElement::ShallowClone( XMLDocument* doc ) const
|
|
{
|
|
if ( !doc ) {
|
|
doc = _document;
|
|
}
|
|
XMLElement* element = doc->NewElement( Value() ); // fixme: this will always allocate memory. Intern?
|
|
for( const XMLAttribute* a=FirstAttribute(); a; a=a->Next() ) {
|
|
element->SetAttribute( a->Name(), a->Value() ); // fixme: this will always allocate memory. Intern?
|
|
}
|
|
return element;
|
|
}
|
|
|
|
|
|
bool XMLElement::ShallowEqual( const XMLNode* compare ) const
|
|
{
|
|
const XMLElement* other = compare->ToElement();
|
|
if ( other && XMLUtil::StringEqual( other->Value(), Value() )) {
|
|
|
|
const XMLAttribute* a=FirstAttribute();
|
|
const XMLAttribute* b=other->FirstAttribute();
|
|
|
|
while ( a && b ) {
|
|
if ( !XMLUtil::StringEqual( a->Value(), b->Value() ) ) {
|
|
return false;
|
|
}
|
|
a = a->Next();
|
|
b = b->Next();
|
|
}
|
|
if ( a || b ) {
|
|
// different count
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool XMLElement::Accept( XMLVisitor* visitor ) const
|
|
{
|
|
if ( visitor->VisitEnter( *this, _rootAttribute ) ) {
|
|
for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) {
|
|
if ( !node->Accept( visitor ) ) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return visitor->VisitExit( *this );
|
|
}
|
|
|
|
|
|
// --------- XMLDocument ----------- //
|
|
XMLDocument::XMLDocument( bool processEntities, Whitespace whitespace ) :
|
|
XMLNode( 0 ),
|
|
_writeBOM( false ),
|
|
_processEntities( processEntities ),
|
|
_errorID( XML_NO_ERROR ),
|
|
_whitespace( whitespace ),
|
|
_errorStr1( 0 ),
|
|
_errorStr2( 0 ),
|
|
_charBuffer( 0 )
|
|
{
|
|
_document = this; // avoid warning about 'this' in initializer list
|
|
}
|
|
|
|
|
|
XMLDocument::~XMLDocument()
|
|
{
|
|
DeleteChildren();
|
|
delete [] _charBuffer;
|
|
|
|
#if 0
|
|
_textPool.Trace( "text" );
|
|
_elementPool.Trace( "element" );
|
|
_commentPool.Trace( "comment" );
|
|
_attributePool.Trace( "attribute" );
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
if ( Error() == false ) {
|
|
TIXMLASSERT( _elementPool.CurrentAllocs() == _elementPool.Untracked() );
|
|
TIXMLASSERT( _attributePool.CurrentAllocs() == _attributePool.Untracked() );
|
|
TIXMLASSERT( _textPool.CurrentAllocs() == _textPool.Untracked() );
|
|
TIXMLASSERT( _commentPool.CurrentAllocs() == _commentPool.Untracked() );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
void XMLDocument::Clear()
|
|
{
|
|
DeleteChildren();
|
|
|
|
_errorID = XML_NO_ERROR;
|
|
_errorStr1 = 0;
|
|
_errorStr2 = 0;
|
|
|
|
delete [] _charBuffer;
|
|
_charBuffer = 0;
|
|
}
|
|
|
|
|
|
XMLElement* XMLDocument::NewElement( const char* name )
|
|
{
|
|
XMLElement* ele = new (_elementPool.Alloc()) XMLElement( this );
|
|
ele->_memPool = &_elementPool;
|
|
ele->SetName( name );
|
|
return ele;
|
|
}
|
|
|
|
|
|
XMLComment* XMLDocument::NewComment( const char* str )
|
|
{
|
|
XMLComment* comment = new (_commentPool.Alloc()) XMLComment( this );
|
|
comment->_memPool = &_commentPool;
|
|
comment->SetValue( str );
|
|
return comment;
|
|
}
|
|
|
|
|
|
XMLText* XMLDocument::NewText( const char* str )
|
|
{
|
|
XMLText* text = new (_textPool.Alloc()) XMLText( this );
|
|
text->_memPool = &_textPool;
|
|
text->SetValue( str );
|
|
return text;
|
|
}
|
|
|
|
|
|
XMLDeclaration* XMLDocument::NewDeclaration( const char* str )
|
|
{
|
|
XMLDeclaration* dec = new (_commentPool.Alloc()) XMLDeclaration( this );
|
|
dec->_memPool = &_commentPool;
|
|
dec->SetValue( str ? str : "xml version=\"1.0\" encoding=\"UTF-8\"" );
|
|
return dec;
|
|
}
|
|
|
|
|
|
XMLUnknown* XMLDocument::NewUnknown( const char* str )
|
|
{
|
|
XMLUnknown* unk = new (_commentPool.Alloc()) XMLUnknown( this );
|
|
unk->_memPool = &_commentPool;
|
|
unk->SetValue( str );
|
|
return unk;
|
|
}
|
|
|
|
|
|
XMLError XMLDocument::LoadFile( const char* filename )
|
|
{
|
|
Clear();
|
|
FILE* fp = 0;
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE)
|
|
errno_t err = fopen_s(&fp, filename, "rb" );
|
|
if ( !fp || err) {
|
|
#else
|
|
fp = fopen( filename, "rb" );
|
|
if ( !fp) {
|
|
#endif
|
|
SetError( XML_ERROR_FILE_NOT_FOUND, filename, 0 );
|
|
return _errorID;
|
|
}
|
|
LoadFile( fp );
|
|
fclose( fp );
|
|
return _errorID;
|
|
}
|
|
|
|
|
|
XMLError XMLDocument::LoadFile( FILE* fp )
|
|
{
|
|
Clear();
|
|
|
|
fseek( fp, 0, SEEK_SET );
|
|
if ( fgetc( fp ) == EOF && ferror( fp ) != 0 ) {
|
|
SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
fseek( fp, 0, SEEK_END );
|
|
const long filelength = ftell( fp );
|
|
fseek( fp, 0, SEEK_SET );
|
|
if ( filelength == -1L ) {
|
|
SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
const size_t size = filelength;
|
|
if ( size == 0 ) {
|
|
SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
_charBuffer = new char[size+1];
|
|
size_t read = fread( _charBuffer, 1, size, fp );
|
|
if ( read != size ) {
|
|
SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
_charBuffer[size] = 0;
|
|
|
|
const char* p = _charBuffer;
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
p = XMLUtil::ReadBOM( p, &_writeBOM );
|
|
if ( !p || !*p ) {
|
|
SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
ParseDeep( _charBuffer + (p-_charBuffer), 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
|
|
XMLError XMLDocument::SaveFile( const char* filename, bool compact )
|
|
{
|
|
FILE* fp = 0;
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE)
|
|
errno_t err = fopen_s(&fp, filename, "w" );
|
|
if ( !fp || err) {
|
|
#else
|
|
fp = fopen( filename, "w" );
|
|
if ( !fp) {
|
|
#endif
|
|
SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, filename, 0 );
|
|
return _errorID;
|
|
}
|
|
SaveFile(fp, compact);
|
|
fclose( fp );
|
|
return _errorID;
|
|
}
|
|
|
|
|
|
XMLError XMLDocument::SaveFile( FILE* fp, bool compact )
|
|
{
|
|
XMLPrinter stream( fp, compact );
|
|
Print( &stream );
|
|
return _errorID;
|
|
}
|
|
|
|
|
|
XMLError XMLDocument::Parse( const char* p, size_t len )
|
|
{
|
|
const char* start = p;
|
|
Clear();
|
|
|
|
if ( len == 0 || !p || !*p ) {
|
|
SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
if ( len == (size_t)(-1) ) {
|
|
len = strlen( p );
|
|
}
|
|
_charBuffer = new char[ len+1 ];
|
|
memcpy( _charBuffer, p, len );
|
|
_charBuffer[len] = 0;
|
|
|
|
p = XMLUtil::SkipWhiteSpace( p );
|
|
p = XMLUtil::ReadBOM( p, &_writeBOM );
|
|
if ( !p || !*p ) {
|
|
SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
ptrdiff_t delta = p - start; // skip initial whitespace, BOM, etc.
|
|
ParseDeep( _charBuffer+delta, 0 );
|
|
return _errorID;
|
|
}
|
|
|
|
|
|
void XMLDocument::Print( XMLPrinter* streamer ) const
|
|
{
|
|
XMLPrinter stdStreamer( stdout );
|
|
if ( !streamer ) {
|
|
streamer = &stdStreamer;
|
|
}
|
|
Accept( streamer );
|
|
}
|
|
|
|
|
|
void XMLDocument::SetError( XMLError error, const char* str1, const char* str2 )
|
|
{
|
|
_errorID = error;
|
|
_errorStr1 = str1;
|
|
_errorStr2 = str2;
|
|
}
|
|
|
|
|
|
void XMLDocument::PrintError() const
|
|
{
|
|
if ( _errorID ) {
|
|
static const int LEN = 20;
|
|
char buf1[LEN] = { 0 };
|
|
char buf2[LEN] = { 0 };
|
|
|
|
if ( _errorStr1 ) {
|
|
TIXML_SNPRINTF( buf1, LEN, "%s", _errorStr1 );
|
|
}
|
|
if ( _errorStr2 ) {
|
|
TIXML_SNPRINTF( buf2, LEN, "%s", _errorStr2 );
|
|
}
|
|
|
|
printf( "XMLDocument error id=%d str1=%s str2=%s\n",
|
|
_errorID, buf1, buf2 );
|
|
}
|
|
}
|
|
|
|
|
|
XMLPrinter::XMLPrinter( FILE* file, bool compact, int depth ) :
|
|
_elementJustOpened( false ),
|
|
_firstElement( true ),
|
|
_fp( file ),
|
|
_depth( depth ),
|
|
_textDepth( -1 ),
|
|
_processEntities( true ),
|
|
_compactMode( compact )
|
|
{
|
|
for( int i=0; i<ENTITY_RANGE; ++i ) {
|
|
_entityFlag[i] = false;
|
|
_restrictedEntityFlag[i] = false;
|
|
}
|
|
for( int i=0; i<NUM_ENTITIES; ++i ) {
|
|
TIXMLASSERT( entities[i].value < ENTITY_RANGE );
|
|
if ( entities[i].value < ENTITY_RANGE ) {
|
|
_entityFlag[ (int)entities[i].value ] = true;
|
|
}
|
|
}
|
|
_restrictedEntityFlag[(int)'&'] = true;
|
|
_restrictedEntityFlag[(int)'<'] = true;
|
|
_restrictedEntityFlag[(int)'>'] = true; // not required, but consistency is nice
|
|
_buffer.Push( 0 );
|
|
}
|
|
|
|
|
|
void XMLPrinter::Print( const char* format, ... )
|
|
{
|
|
va_list va;
|
|
va_start( va, format );
|
|
|
|
if ( _fp ) {
|
|
vfprintf( _fp, format, va );
|
|
}
|
|
else {
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
|
|
#if defined(WINCE)
|
|
int len = 512;
|
|
do {
|
|
len = len*2;
|
|
char* str = new char[len]();
|
|
len = _vsnprintf(str, len, format, va);
|
|
delete[] str;
|
|
}while (len < 0);
|
|
#else
|
|
int len = _vscprintf( format, va );
|
|
#endif
|
|
#else
|
|
int len = vsnprintf( 0, 0, format, va );
|
|
#endif
|
|
// Close out and re-start the va-args
|
|
va_end( va );
|
|
va_start( va, format );
|
|
char* p = _buffer.PushArr( len ) - 1; // back up over the null terminator.
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
|
|
#if defined(WINCE)
|
|
_vsnprintf( p, len+1, format, va );
|
|
#else
|
|
vsnprintf_s( p, len+1, _TRUNCATE, format, va );
|
|
#endif
|
|
#else
|
|
vsnprintf( p, len+1, format, va );
|
|
#endif
|
|
}
|
|
va_end( va );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PrintSpace( int depth )
|
|
{
|
|
for( int i=0; i<depth; ++i ) {
|
|
Print( " " );
|
|
}
|
|
}
|
|
|
|
|
|
void XMLPrinter::PrintString( const char* p, bool restricted )
|
|
{
|
|
// Look for runs of bytes between entities to print.
|
|
const char* q = p;
|
|
const bool* flag = restricted ? _restrictedEntityFlag : _entityFlag;
|
|
|
|
if ( _processEntities ) {
|
|
while ( *q ) {
|
|
// Remember, char is sometimes signed. (How many times has that bitten me?)
|
|
if ( *q > 0 && *q < ENTITY_RANGE ) {
|
|
// Check for entities. If one is found, flush
|
|
// the stream up until the entity, write the
|
|
// entity, and keep looking.
|
|
if ( flag[(unsigned)(*q)] ) {
|
|
while ( p < q ) {
|
|
Print( "%c", *p );
|
|
++p;
|
|
}
|
|
for( int i=0; i<NUM_ENTITIES; ++i ) {
|
|
if ( entities[i].value == *q ) {
|
|
Print( "&%s;", entities[i].pattern );
|
|
break;
|
|
}
|
|
}
|
|
++p;
|
|
}
|
|
}
|
|
++q;
|
|
}
|
|
}
|
|
// Flush the remaining string. This will be the entire
|
|
// string if an entity wasn't found.
|
|
if ( !_processEntities || (q-p > 0) ) {
|
|
Print( "%s", p );
|
|
}
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushHeader( bool writeBOM, bool writeDec )
|
|
{
|
|
if ( writeBOM ) {
|
|
static const unsigned char bom[] = { TIXML_UTF_LEAD_0, TIXML_UTF_LEAD_1, TIXML_UTF_LEAD_2, 0 };
|
|
Print( "%s", bom );
|
|
}
|
|
if ( writeDec ) {
|
|
PushDeclaration( "xml version=\"1.0\"" );
|
|
}
|
|
}
|
|
|
|
|
|
void XMLPrinter::OpenElement( const char* name, bool compactMode )
|
|
{
|
|
if ( _elementJustOpened ) {
|
|
SealElement();
|
|
}
|
|
_stack.Push( name );
|
|
|
|
if ( _textDepth < 0 && !_firstElement && !compactMode ) {
|
|
Print( "\n" );
|
|
}
|
|
if ( !compactMode ) {
|
|
PrintSpace( _depth );
|
|
}
|
|
|
|
Print( "<%s", name );
|
|
_elementJustOpened = true;
|
|
_firstElement = false;
|
|
++_depth;
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushAttribute( const char* name, const char* value )
|
|
{
|
|
TIXMLASSERT( _elementJustOpened );
|
|
Print( " %s=\"", name );
|
|
PrintString( value, false );
|
|
Print( "\"" );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushAttribute( const char* name, int v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
PushAttribute( name, buf );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushAttribute( const char* name, unsigned v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
PushAttribute( name, buf );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushAttribute( const char* name, bool v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
PushAttribute( name, buf );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushAttribute( const char* name, double v )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( v, buf, BUF_SIZE );
|
|
PushAttribute( name, buf );
|
|
}
|
|
|
|
|
|
void XMLPrinter::CloseElement( bool compactMode )
|
|
{
|
|
--_depth;
|
|
const char* name = _stack.Pop();
|
|
|
|
if ( _elementJustOpened ) {
|
|
Print( "/>" );
|
|
}
|
|
else {
|
|
if ( _textDepth < 0 && !compactMode) {
|
|
Print( "\n" );
|
|
PrintSpace( _depth );
|
|
}
|
|
Print( "</%s>", name );
|
|
}
|
|
|
|
if ( _textDepth == _depth ) {
|
|
_textDepth = -1;
|
|
}
|
|
if ( _depth == 0 && !compactMode) {
|
|
Print( "\n" );
|
|
}
|
|
_elementJustOpened = false;
|
|
}
|
|
|
|
|
|
void XMLPrinter::SealElement()
|
|
{
|
|
_elementJustOpened = false;
|
|
Print( ">" );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushText( const char* text, bool cdata )
|
|
{
|
|
_textDepth = _depth-1;
|
|
|
|
if ( _elementJustOpened ) {
|
|
SealElement();
|
|
}
|
|
if ( cdata ) {
|
|
Print( "<![CDATA[" );
|
|
Print( "%s", text );
|
|
Print( "]]>" );
|
|
}
|
|
else {
|
|
PrintString( text, true );
|
|
}
|
|
}
|
|
|
|
void XMLPrinter::PushText( int value )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( value, buf, BUF_SIZE );
|
|
PushText( buf, false );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushText( unsigned value )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( value, buf, BUF_SIZE );
|
|
PushText( buf, false );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushText( bool value )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( value, buf, BUF_SIZE );
|
|
PushText( buf, false );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushText( float value )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( value, buf, BUF_SIZE );
|
|
PushText( buf, false );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushText( double value )
|
|
{
|
|
char buf[BUF_SIZE];
|
|
XMLUtil::ToStr( value, buf, BUF_SIZE );
|
|
PushText( buf, false );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushComment( const char* comment )
|
|
{
|
|
if ( _elementJustOpened ) {
|
|
SealElement();
|
|
}
|
|
if ( _textDepth < 0 && !_firstElement && !_compactMode) {
|
|
Print( "\n" );
|
|
PrintSpace( _depth );
|
|
}
|
|
_firstElement = false;
|
|
Print( "<!--%s-->", comment );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushDeclaration( const char* value )
|
|
{
|
|
if ( _elementJustOpened ) {
|
|
SealElement();
|
|
}
|
|
if ( _textDepth < 0 && !_firstElement && !_compactMode) {
|
|
Print( "\n" );
|
|
PrintSpace( _depth );
|
|
}
|
|
_firstElement = false;
|
|
Print( "<?%s?>", value );
|
|
}
|
|
|
|
|
|
void XMLPrinter::PushUnknown( const char* value )
|
|
{
|
|
if ( _elementJustOpened ) {
|
|
SealElement();
|
|
}
|
|
if ( _textDepth < 0 && !_firstElement && !_compactMode) {
|
|
Print( "\n" );
|
|
PrintSpace( _depth );
|
|
}
|
|
_firstElement = false;
|
|
Print( "<!%s>", value );
|
|
}
|
|
|
|
|
|
bool XMLPrinter::VisitEnter( const XMLDocument& doc )
|
|
{
|
|
_processEntities = doc.ProcessEntities();
|
|
if ( doc.HasBOM() ) {
|
|
PushHeader( true, false );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool XMLPrinter::VisitEnter( const XMLElement& element, const XMLAttribute* attribute )
|
|
{
|
|
const XMLElement* parentElem = element.Parent()->ToElement();
|
|
bool compactMode = parentElem ? CompactMode(*parentElem) : _compactMode;
|
|
OpenElement( element.Name(), compactMode );
|
|
while ( attribute ) {
|
|
PushAttribute( attribute->Name(), attribute->Value() );
|
|
attribute = attribute->Next();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool XMLPrinter::VisitExit( const XMLElement& element )
|
|
{
|
|
CloseElement( CompactMode(element) );
|
|
return true;
|
|
}
|
|
|
|
|
|
bool XMLPrinter::Visit( const XMLText& text )
|
|
{
|
|
PushText( text.Value(), text.CData() );
|
|
return true;
|
|
}
|
|
|
|
|
|
bool XMLPrinter::Visit( const XMLComment& comment )
|
|
{
|
|
PushComment( comment.Value() );
|
|
return true;
|
|
}
|
|
|
|
bool XMLPrinter::Visit( const XMLDeclaration& declaration )
|
|
{
|
|
PushDeclaration( declaration.Value() );
|
|
return true;
|
|
}
|
|
|
|
|
|
bool XMLPrinter::Visit( const XMLUnknown& unknown )
|
|
{
|
|
PushUnknown( unknown.Value() );
|
|
return true;
|
|
}
|
|
|
|
} // namespace tinyxml2
|
|
|