1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/3rdParty/TinyXml/tinyxml2.cpp	Wed Jan 14 06:51:16 2015 +0200
     1.3 @@ -0,0 +1,2101 @@
     1.4 +/*
     1.5 +Original code by Lee Thomason (www.grinninglizard.com)
     1.6 +
     1.7 +This software is provided 'as-is', without any express or implied
     1.8 +warranty. In no event will the authors be held liable for any
     1.9 +damages arising from the use of this software.
    1.10 +
    1.11 +Permission is granted to anyone to use this software for any
    1.12 +purpose, including commercial applications, and to alter it and
    1.13 +redistribute it freely, subject to the following restrictions:
    1.14 +
    1.15 +1. The origin of this software must not be misrepresented; you must
    1.16 +not claim that you wrote the original software. If you use this
    1.17 +software in a product, an acknowledgment in the product documentation
    1.18 +would be appreciated but is not required.
    1.19 +
    1.20 +2. Altered source versions must be plainly marked as such, and
    1.21 +must not be misrepresented as being the original software.
    1.22 +
    1.23 +3. This notice may not be removed or altered from any source
    1.24 +distribution.
    1.25 +*/
    1.26 +
    1.27 +#include "tinyxml2.h"
    1.28 +
    1.29 +#include <new>		// yes, this one new style header, is in the Android SDK.
    1.30 +#   ifdef ANDROID_NDK
    1.31 +#   include <stddef.h>
    1.32 +#else
    1.33 +#   include <cstddef>
    1.34 +#endif
    1.35 +
    1.36 +static const char LINE_FEED				= (char)0x0a;			// all line endings are normalized to LF
    1.37 +static const char LF = LINE_FEED;
    1.38 +static const char CARRIAGE_RETURN		= (char)0x0d;			// CR gets filtered out
    1.39 +static const char CR = CARRIAGE_RETURN;
    1.40 +static const char SINGLE_QUOTE			= '\'';
    1.41 +static const char DOUBLE_QUOTE			= '\"';
    1.42 +
    1.43 +// Bunch of unicode info at:
    1.44 +//		http://www.unicode.org/faq/utf_bom.html
    1.45 +//	ef bb bf (Microsoft "lead bytes") - designates UTF-8
    1.46 +
    1.47 +static const unsigned char TIXML_UTF_LEAD_0 = 0xefU;
    1.48 +static const unsigned char TIXML_UTF_LEAD_1 = 0xbbU;
    1.49 +static const unsigned char TIXML_UTF_LEAD_2 = 0xbfU;
    1.50 +
    1.51 +
    1.52 +#define DELETE_NODE( node )	{			\
    1.53 +        if ( node ) {						\
    1.54 +            MemPool* pool = node->_memPool;	\
    1.55 +            node->~XMLNode();				\
    1.56 +            pool->Free( node );				\
    1.57 +        }									\
    1.58 +    }
    1.59 +#define DELETE_ATTRIBUTE( attrib ) {		\
    1.60 +        if ( attrib ) {							\
    1.61 +            MemPool* pool = attrib->_memPool;	\
    1.62 +            attrib->~XMLAttribute();			\
    1.63 +            pool->Free( attrib );				\
    1.64 +        }										\
    1.65 +    }
    1.66 +
    1.67 +namespace tinyxml2
    1.68 +{
    1.69 +
    1.70 +struct Entity {
    1.71 +    const char* pattern;
    1.72 +    int length;
    1.73 +    char value;
    1.74 +};
    1.75 +
    1.76 +static const int NUM_ENTITIES = 5;
    1.77 +static const Entity entities[NUM_ENTITIES] = {
    1.78 +    { "quot", 4,	DOUBLE_QUOTE },
    1.79 +    { "amp", 3,		'&'  },
    1.80 +    { "apos", 4,	SINGLE_QUOTE },
    1.81 +    { "lt",	2, 		'<'	 },
    1.82 +    { "gt",	2,		'>'	 }
    1.83 +};
    1.84 +
    1.85 +
    1.86 +StrPair::~StrPair()
    1.87 +{
    1.88 +    Reset();
    1.89 +}
    1.90 +
    1.91 +
    1.92 +void StrPair::Reset()
    1.93 +{
    1.94 +    if ( _flags & NEEDS_DELETE ) {
    1.95 +        delete [] _start;
    1.96 +    }
    1.97 +    _flags = 0;
    1.98 +    _start = 0;
    1.99 +    _end = 0;
   1.100 +}
   1.101 +
   1.102 +
   1.103 +void StrPair::SetStr( const char* str, int flags )
   1.104 +{
   1.105 +    Reset();
   1.106 +    size_t len = strlen( str );
   1.107 +    _start = new char[ len+1 ];
   1.108 +    memcpy( _start, str, len+1 );
   1.109 +    _end = _start + len;
   1.110 +    _flags = flags | NEEDS_DELETE;
   1.111 +}
   1.112 +
   1.113 +
   1.114 +char* StrPair::ParseText( char* p, const char* endTag, int strFlags )
   1.115 +{
   1.116 +    TIXMLASSERT( endTag && *endTag );
   1.117 +
   1.118 +    char* start = p;	// fixme: hides a member
   1.119 +    char  endChar = *endTag;
   1.120 +    size_t length = strlen( endTag );
   1.121 +
   1.122 +    // Inner loop of text parsing.
   1.123 +    while ( *p ) {
   1.124 +        if ( *p == endChar && strncmp( p, endTag, length ) == 0 ) {
   1.125 +            Set( start, p, strFlags );
   1.126 +            return p + length;
   1.127 +        }
   1.128 +        ++p;
   1.129 +    }
   1.130 +    return 0;
   1.131 +}
   1.132 +
   1.133 +
   1.134 +char* StrPair::ParseName( char* p )
   1.135 +{
   1.136 +    char* start = p;
   1.137 +
   1.138 +    if ( !start || !(*start) ) {
   1.139 +        return 0;
   1.140 +    }
   1.141 +
   1.142 +    while( *p && (
   1.143 +                XMLUtil::IsAlphaNum( (unsigned char) *p )
   1.144 +                || *p == '_'
   1.145 +                || *p == ':'
   1.146 +                || (*p == '-' && p>start )		// can be in a name, but not lead it.
   1.147 +                || (*p == '.' && p>start ) )) {	// can be in a name, but not lead it.
   1.148 +        ++p;
   1.149 +    }
   1.150 +
   1.151 +    if ( p > start ) {
   1.152 +        Set( start, p, 0 );
   1.153 +        return p;
   1.154 +    }
   1.155 +    return 0;
   1.156 +}
   1.157 +
   1.158 +
   1.159 +void StrPair::CollapseWhitespace()
   1.160 +{
   1.161 +    // Trim leading space.
   1.162 +    _start = XMLUtil::SkipWhiteSpace( _start );
   1.163 +
   1.164 +    if ( _start && *_start ) {
   1.165 +        char* p = _start;	// the read pointer
   1.166 +        char* q = _start;	// the write pointer
   1.167 +
   1.168 +        while( *p ) {
   1.169 +            if ( XMLUtil::IsWhiteSpace( *p )) {
   1.170 +                p = XMLUtil::SkipWhiteSpace( p );
   1.171 +                if ( *p == 0 ) {
   1.172 +                    break;    // don't write to q; this trims the trailing space.
   1.173 +                }
   1.174 +                *q = ' ';
   1.175 +                ++q;
   1.176 +            }
   1.177 +            *q = *p;
   1.178 +            ++q;
   1.179 +            ++p;
   1.180 +        }
   1.181 +        *q = 0;
   1.182 +    }
   1.183 +}
   1.184 +
   1.185 +
   1.186 +const char* StrPair::GetStr()
   1.187 +{
   1.188 +    if ( _flags & NEEDS_FLUSH ) {
   1.189 +        *_end = 0;
   1.190 +        _flags ^= NEEDS_FLUSH;
   1.191 +
   1.192 +        if ( _flags ) {
   1.193 +            char* p = _start;	// the read pointer
   1.194 +            char* q = _start;	// the write pointer
   1.195 +
   1.196 +            while( p < _end ) {
   1.197 +                if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == CR ) {
   1.198 +                    // CR-LF pair becomes LF
   1.199 +                    // CR alone becomes LF
   1.200 +                    // LF-CR becomes LF
   1.201 +                    if ( *(p+1) == LF ) {
   1.202 +                        p += 2;
   1.203 +                    }
   1.204 +                    else {
   1.205 +                        ++p;
   1.206 +                    }
   1.207 +                    *q++ = LF;
   1.208 +                }
   1.209 +                else if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == LF ) {
   1.210 +                    if ( *(p+1) == CR ) {
   1.211 +                        p += 2;
   1.212 +                    }
   1.213 +                    else {
   1.214 +                        ++p;
   1.215 +                    }
   1.216 +                    *q++ = LF;
   1.217 +                }
   1.218 +                else if ( (_flags & NEEDS_ENTITY_PROCESSING) && *p == '&' ) {
   1.219 +                    // Entities handled by tinyXML2:
   1.220 +                    // - special entities in the entity table [in/out]
   1.221 +                    // - numeric character reference [in]
   1.222 +                    //   &#20013; or &#x4e2d;
   1.223 +
   1.224 +                    if ( *(p+1) == '#' ) {
   1.225 +                        char buf[10] = { 0 };
   1.226 +                        int len;
   1.227 +                        p = const_cast<char*>( XMLUtil::GetCharacterRef( p, buf, &len ) );
   1.228 +                        for( int i=0; i<len; ++i ) {
   1.229 +                            *q++ = buf[i];
   1.230 +                        }
   1.231 +                        TIXMLASSERT( q <= p );
   1.232 +                    }
   1.233 +                    else {
   1.234 +                        int i=0;
   1.235 +                        for(; i<NUM_ENTITIES; ++i ) {
   1.236 +                            if (    strncmp( p+1, entities[i].pattern, entities[i].length ) == 0
   1.237 +                                    && *(p+entities[i].length+1) == ';' ) {
   1.238 +                                // Found an entity convert;
   1.239 +                                *q = entities[i].value;
   1.240 +                                ++q;
   1.241 +                                p += entities[i].length + 2;
   1.242 +                                break;
   1.243 +                            }
   1.244 +                        }
   1.245 +                        if ( i == NUM_ENTITIES ) {
   1.246 +                            // fixme: treat as error?
   1.247 +                            ++p;
   1.248 +                            ++q;
   1.249 +                        }
   1.250 +                    }
   1.251 +                }
   1.252 +                else {
   1.253 +                    *q = *p;
   1.254 +                    ++p;
   1.255 +                    ++q;
   1.256 +                }
   1.257 +            }
   1.258 +            *q = 0;
   1.259 +        }
   1.260 +        // The loop below has plenty going on, and this
   1.261 +        // is a less useful mode. Break it out.
   1.262 +        if ( _flags & COLLAPSE_WHITESPACE ) {
   1.263 +            CollapseWhitespace();
   1.264 +        }
   1.265 +        _flags = (_flags & NEEDS_DELETE);
   1.266 +    }
   1.267 +    return _start;
   1.268 +}
   1.269 +
   1.270 +
   1.271 +
   1.272 +
   1.273 +// --------- XMLUtil ----------- //
   1.274 +
   1.275 +const char* XMLUtil::ReadBOM( const char* p, bool* bom )
   1.276 +{
   1.277 +    *bom = false;
   1.278 +    const unsigned char* pu = reinterpret_cast<const unsigned char*>(p);
   1.279 +    // Check for BOM:
   1.280 +    if (    *(pu+0) == TIXML_UTF_LEAD_0
   1.281 +            && *(pu+1) == TIXML_UTF_LEAD_1
   1.282 +            && *(pu+2) == TIXML_UTF_LEAD_2 ) {
   1.283 +        *bom = true;
   1.284 +        p += 3;
   1.285 +    }
   1.286 +    return p;
   1.287 +}
   1.288 +
   1.289 +
   1.290 +void XMLUtil::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length )
   1.291 +{
   1.292 +    const unsigned long BYTE_MASK = 0xBF;
   1.293 +    const unsigned long BYTE_MARK = 0x80;
   1.294 +    const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
   1.295 +
   1.296 +    if (input < 0x80) {
   1.297 +        *length = 1;
   1.298 +    }
   1.299 +    else if ( input < 0x800 ) {
   1.300 +        *length = 2;
   1.301 +    }
   1.302 +    else if ( input < 0x10000 ) {
   1.303 +        *length = 3;
   1.304 +    }
   1.305 +    else if ( input < 0x200000 ) {
   1.306 +        *length = 4;
   1.307 +    }
   1.308 +    else {
   1.309 +        *length = 0;    // This code won't covert this correctly anyway.
   1.310 +        return;
   1.311 +    }
   1.312 +
   1.313 +    output += *length;
   1.314 +
   1.315 +    // Scary scary fall throughs.
   1.316 +    switch (*length) {
   1.317 +        case 4:
   1.318 +            --output;
   1.319 +            *output = (char)((input | BYTE_MARK) & BYTE_MASK);
   1.320 +            input >>= 6;
   1.321 +        case 3:
   1.322 +            --output;
   1.323 +            *output = (char)((input | BYTE_MARK) & BYTE_MASK);
   1.324 +            input >>= 6;
   1.325 +        case 2:
   1.326 +            --output;
   1.327 +            *output = (char)((input | BYTE_MARK) & BYTE_MASK);
   1.328 +            input >>= 6;
   1.329 +        case 1:
   1.330 +            --output;
   1.331 +            *output = (char)(input | FIRST_BYTE_MARK[*length]);
   1.332 +        default:
   1.333 +            break;
   1.334 +    }
   1.335 +}
   1.336 +
   1.337 +
   1.338 +const char* XMLUtil::GetCharacterRef( const char* p, char* value, int* length )
   1.339 +{
   1.340 +    // Presume an entity, and pull it out.
   1.341 +    *length = 0;
   1.342 +
   1.343 +    if ( *(p+1) == '#' && *(p+2) ) {
   1.344 +        unsigned long ucs = 0;
   1.345 +        ptrdiff_t delta = 0;
   1.346 +        unsigned mult = 1;
   1.347 +
   1.348 +        if ( *(p+2) == 'x' ) {
   1.349 +            // Hexadecimal.
   1.350 +            if ( !*(p+3) ) {
   1.351 +                return 0;
   1.352 +            }
   1.353 +
   1.354 +            const char* q = p+3;
   1.355 +            q = strchr( q, ';' );
   1.356 +
   1.357 +            if ( !q || !*q ) {
   1.358 +                return 0;
   1.359 +            }
   1.360 +
   1.361 +            delta = q-p;
   1.362 +            --q;
   1.363 +
   1.364 +            while ( *q != 'x' ) {
   1.365 +                if ( *q >= '0' && *q <= '9' ) {
   1.366 +                    ucs += mult * (*q - '0');
   1.367 +                }
   1.368 +                else if ( *q >= 'a' && *q <= 'f' ) {
   1.369 +                    ucs += mult * (*q - 'a' + 10);
   1.370 +                }
   1.371 +                else if ( *q >= 'A' && *q <= 'F' ) {
   1.372 +                    ucs += mult * (*q - 'A' + 10 );
   1.373 +                }
   1.374 +                else {
   1.375 +                    return 0;
   1.376 +                }
   1.377 +                mult *= 16;
   1.378 +                --q;
   1.379 +            }
   1.380 +        }
   1.381 +        else {
   1.382 +            // Decimal.
   1.383 +            if ( !*(p+2) ) {
   1.384 +                return 0;
   1.385 +            }
   1.386 +
   1.387 +            const char* q = p+2;
   1.388 +            q = strchr( q, ';' );
   1.389 +
   1.390 +            if ( !q || !*q ) {
   1.391 +                return 0;
   1.392 +            }
   1.393 +
   1.394 +            delta = q-p;
   1.395 +            --q;
   1.396 +
   1.397 +            while ( *q != '#' ) {
   1.398 +                if ( *q >= '0' && *q <= '9' ) {
   1.399 +                    ucs += mult * (*q - '0');
   1.400 +                }
   1.401 +                else {
   1.402 +                    return 0;
   1.403 +                }
   1.404 +                mult *= 10;
   1.405 +                --q;
   1.406 +            }
   1.407 +        }
   1.408 +        // convert the UCS to UTF-8
   1.409 +        ConvertUTF32ToUTF8( ucs, value, length );
   1.410 +        return p + delta + 1;
   1.411 +    }
   1.412 +    return p+1;
   1.413 +}
   1.414 +
   1.415 +
   1.416 +void XMLUtil::ToStr( int v, char* buffer, int bufferSize )
   1.417 +{
   1.418 +    TIXML_SNPRINTF( buffer, bufferSize, "%d", v );
   1.419 +}
   1.420 +
   1.421 +
   1.422 +void XMLUtil::ToStr( unsigned v, char* buffer, int bufferSize )
   1.423 +{
   1.424 +    TIXML_SNPRINTF( buffer, bufferSize, "%u", v );
   1.425 +}
   1.426 +
   1.427 +
   1.428 +void XMLUtil::ToStr( bool v, char* buffer, int bufferSize )
   1.429 +{
   1.430 +    TIXML_SNPRINTF( buffer, bufferSize, "%d", v ? 1 : 0 );
   1.431 +}
   1.432 +
   1.433 +
   1.434 +void XMLUtil::ToStr( float v, char* buffer, int bufferSize )
   1.435 +{
   1.436 +    TIXML_SNPRINTF( buffer, bufferSize, "%g", v );
   1.437 +}
   1.438 +
   1.439 +
   1.440 +void XMLUtil::ToStr( double v, char* buffer, int bufferSize )
   1.441 +{
   1.442 +    TIXML_SNPRINTF( buffer, bufferSize, "%g", v );
   1.443 +}
   1.444 +
   1.445 +
   1.446 +bool XMLUtil::ToInt( const char* str, int* value )
   1.447 +{
   1.448 +    if ( TIXML_SSCANF( str, "%d", value ) == 1 ) {
   1.449 +        return true;
   1.450 +    }
   1.451 +    return false;
   1.452 +}
   1.453 +
   1.454 +bool XMLUtil::ToUnsigned( const char* str, unsigned *value )
   1.455 +{
   1.456 +    if ( TIXML_SSCANF( str, "%u", value ) == 1 ) {
   1.457 +        return true;
   1.458 +    }
   1.459 +    return false;
   1.460 +}
   1.461 +
   1.462 +bool XMLUtil::ToBool( const char* str, bool* value )
   1.463 +{
   1.464 +    int ival = 0;
   1.465 +    if ( ToInt( str, &ival )) {
   1.466 +        *value = (ival==0) ? false : true;
   1.467 +        return true;
   1.468 +    }
   1.469 +    if ( StringEqual( str, "true" ) ) {
   1.470 +        *value = true;
   1.471 +        return true;
   1.472 +    }
   1.473 +    else if ( StringEqual( str, "false" ) ) {
   1.474 +        *value = false;
   1.475 +        return true;
   1.476 +    }
   1.477 +    return false;
   1.478 +}
   1.479 +
   1.480 +
   1.481 +bool XMLUtil::ToFloat( const char* str, float* value )
   1.482 +{
   1.483 +    if ( TIXML_SSCANF( str, "%f", value ) == 1 ) {
   1.484 +        return true;
   1.485 +    }
   1.486 +    return false;
   1.487 +}
   1.488 +
   1.489 +bool XMLUtil::ToDouble( const char* str, double* value )
   1.490 +{
   1.491 +    if ( TIXML_SSCANF( str, "%lf", value ) == 1 ) {
   1.492 +        return true;
   1.493 +    }
   1.494 +    return false;
   1.495 +}
   1.496 +
   1.497 +
   1.498 +char* XMLDocument::Identify( char* p, XMLNode** node )
   1.499 +{
   1.500 +    XMLNode* returnNode = 0;
   1.501 +    char* start = p;
   1.502 +    p = XMLUtil::SkipWhiteSpace( p );
   1.503 +    if( !p || !*p ) {
   1.504 +        return p;
   1.505 +    }
   1.506 +
   1.507 +    // What is this thing?
   1.508 +    // - Elements start with a letter or underscore, but xml is reserved.
   1.509 +    // - Comments: <!--
   1.510 +    // - Decleration: <?
   1.511 +    // - Everthing else is unknown to tinyxml.
   1.512 +    //
   1.513 +
   1.514 +    static const char* xmlHeader		= { "<?" };
   1.515 +    static const char* commentHeader	= { "<!--" };
   1.516 +    static const char* dtdHeader		= { "<!" };
   1.517 +    static const char* cdataHeader		= { "<![CDATA[" };
   1.518 +    static const char* elementHeader	= { "<" };	// and a header for everything else; check last.
   1.519 +
   1.520 +    static const int xmlHeaderLen		= 2;
   1.521 +    static const int commentHeaderLen	= 4;
   1.522 +    static const int dtdHeaderLen		= 2;
   1.523 +    static const int cdataHeaderLen		= 9;
   1.524 +    static const int elementHeaderLen	= 1;
   1.525 +
   1.526 +#if defined(_MSC_VER)
   1.527 +#pragma warning ( push )
   1.528 +#pragma warning ( disable : 4127 )
   1.529 +#endif
   1.530 +    TIXMLASSERT( sizeof( XMLComment ) == sizeof( XMLUnknown ) );		// use same memory pool
   1.531 +    TIXMLASSERT( sizeof( XMLComment ) == sizeof( XMLDeclaration ) );	// use same memory pool
   1.532 +#if defined(_MSC_VER)
   1.533 +#pragma warning (pop)
   1.534 +#endif
   1.535 +    if ( XMLUtil::StringEqual( p, xmlHeader, xmlHeaderLen ) ) {
   1.536 +        returnNode = new (_commentPool.Alloc()) XMLDeclaration( this );
   1.537 +        returnNode->_memPool = &_commentPool;
   1.538 +        p += xmlHeaderLen;
   1.539 +    }
   1.540 +    else if ( XMLUtil::StringEqual( p, commentHeader, commentHeaderLen ) ) {
   1.541 +        returnNode = new (_commentPool.Alloc()) XMLComment( this );
   1.542 +        returnNode->_memPool = &_commentPool;
   1.543 +        p += commentHeaderLen;
   1.544 +    }
   1.545 +    else if ( XMLUtil::StringEqual( p, cdataHeader, cdataHeaderLen ) ) {
   1.546 +        XMLText* text = new (_textPool.Alloc()) XMLText( this );
   1.547 +        returnNode = text;
   1.548 +        returnNode->_memPool = &_textPool;
   1.549 +        p += cdataHeaderLen;
   1.550 +        text->SetCData( true );
   1.551 +    }
   1.552 +    else if ( XMLUtil::StringEqual( p, dtdHeader, dtdHeaderLen ) ) {
   1.553 +        returnNode = new (_commentPool.Alloc()) XMLUnknown( this );
   1.554 +        returnNode->_memPool = &_commentPool;
   1.555 +        p += dtdHeaderLen;
   1.556 +    }
   1.557 +    else if ( XMLUtil::StringEqual( p, elementHeader, elementHeaderLen ) ) {
   1.558 +        returnNode = new (_elementPool.Alloc()) XMLElement( this );
   1.559 +        returnNode->_memPool = &_elementPool;
   1.560 +        p += elementHeaderLen;
   1.561 +    }
   1.562 +    else {
   1.563 +        returnNode = new (_textPool.Alloc()) XMLText( this );
   1.564 +        returnNode->_memPool = &_textPool;
   1.565 +        p = start;	// Back it up, all the text counts.
   1.566 +    }
   1.567 +
   1.568 +    *node = returnNode;
   1.569 +    return p;
   1.570 +}
   1.571 +
   1.572 +
   1.573 +bool XMLDocument::Accept( XMLVisitor* visitor ) const
   1.574 +{
   1.575 +    if ( visitor->VisitEnter( *this ) ) {
   1.576 +        for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) {
   1.577 +            if ( !node->Accept( visitor ) ) {
   1.578 +                break;
   1.579 +            }
   1.580 +        }
   1.581 +    }
   1.582 +    return visitor->VisitExit( *this );
   1.583 +}
   1.584 +
   1.585 +
   1.586 +// --------- XMLNode ----------- //
   1.587 +
   1.588 +XMLNode::XMLNode( XMLDocument* doc ) :
   1.589 +    _document( doc ),
   1.590 +    _parent( 0 ),
   1.591 +    _firstChild( 0 ), _lastChild( 0 ),
   1.592 +    _prev( 0 ), _next( 0 )
   1.593 +{
   1.594 +}
   1.595 +
   1.596 +
   1.597 +XMLNode::~XMLNode()
   1.598 +{
   1.599 +    DeleteChildren();
   1.600 +    if ( _parent ) {
   1.601 +        _parent->Unlink( this );
   1.602 +    }
   1.603 +}
   1.604 +
   1.605 +
   1.606 +void XMLNode::SetValue( const char* str, bool staticMem )
   1.607 +{
   1.608 +    if ( staticMem ) {
   1.609 +        _value.SetInternedStr( str );
   1.610 +    }
   1.611 +    else {
   1.612 +        _value.SetStr( str );
   1.613 +    }
   1.614 +}
   1.615 +
   1.616 +
   1.617 +void XMLNode::DeleteChildren()
   1.618 +{
   1.619 +    while( _firstChild ) {
   1.620 +        XMLNode* node = _firstChild;
   1.621 +        Unlink( node );
   1.622 +
   1.623 +        DELETE_NODE( node );
   1.624 +    }
   1.625 +    _firstChild = _lastChild = 0;
   1.626 +}
   1.627 +
   1.628 +
   1.629 +void XMLNode::Unlink( XMLNode* child )
   1.630 +{
   1.631 +    TIXMLASSERT( child->_parent == this );
   1.632 +    if ( child == _firstChild ) {
   1.633 +        _firstChild = _firstChild->_next;
   1.634 +    }
   1.635 +    if ( child == _lastChild ) {
   1.636 +        _lastChild = _lastChild->_prev;
   1.637 +    }
   1.638 +
   1.639 +    if ( child->_prev ) {
   1.640 +        child->_prev->_next = child->_next;
   1.641 +    }
   1.642 +    if ( child->_next ) {
   1.643 +        child->_next->_prev = child->_prev;
   1.644 +    }
   1.645 +    child->_parent = 0;
   1.646 +}
   1.647 +
   1.648 +
   1.649 +void XMLNode::DeleteChild( XMLNode* node )
   1.650 +{
   1.651 +    TIXMLASSERT( node->_parent == this );
   1.652 +    DELETE_NODE( node );
   1.653 +}
   1.654 +
   1.655 +
   1.656 +XMLNode* XMLNode::InsertEndChild( XMLNode* addThis )
   1.657 +{
   1.658 +    if ( _lastChild ) {
   1.659 +        TIXMLASSERT( _firstChild );
   1.660 +        TIXMLASSERT( _lastChild->_next == 0 );
   1.661 +        _lastChild->_next = addThis;
   1.662 +        addThis->_prev = _lastChild;
   1.663 +        _lastChild = addThis;
   1.664 +
   1.665 +        addThis->_next = 0;
   1.666 +    }
   1.667 +    else {
   1.668 +        TIXMLASSERT( _firstChild == 0 );
   1.669 +        _firstChild = _lastChild = addThis;
   1.670 +
   1.671 +        addThis->_prev = 0;
   1.672 +        addThis->_next = 0;
   1.673 +    }
   1.674 +    addThis->_parent = this;
   1.675 +    addThis->_memPool->SetTracked();
   1.676 +    return addThis;
   1.677 +}
   1.678 +
   1.679 +
   1.680 +XMLNode* XMLNode::InsertFirstChild( XMLNode* addThis )
   1.681 +{
   1.682 +    if ( _firstChild ) {
   1.683 +        TIXMLASSERT( _lastChild );
   1.684 +        TIXMLASSERT( _firstChild->_prev == 0 );
   1.685 +
   1.686 +        _firstChild->_prev = addThis;
   1.687 +        addThis->_next = _firstChild;
   1.688 +        _firstChild = addThis;
   1.689 +
   1.690 +        addThis->_prev = 0;
   1.691 +    }
   1.692 +    else {
   1.693 +        TIXMLASSERT( _lastChild == 0 );
   1.694 +        _firstChild = _lastChild = addThis;
   1.695 +
   1.696 +        addThis->_prev = 0;
   1.697 +        addThis->_next = 0;
   1.698 +    }
   1.699 +    addThis->_parent = this;
   1.700 +    addThis->_memPool->SetTracked();
   1.701 +    return addThis;
   1.702 +}
   1.703 +
   1.704 +
   1.705 +XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis )
   1.706 +{
   1.707 +    TIXMLASSERT( afterThis->_parent == this );
   1.708 +    if ( afterThis->_parent != this ) {
   1.709 +        return 0;
   1.710 +    }
   1.711 +
   1.712 +    if ( afterThis->_next == 0 ) {
   1.713 +        // The last node or the only node.
   1.714 +        return InsertEndChild( addThis );
   1.715 +    }
   1.716 +    addThis->_prev = afterThis;
   1.717 +    addThis->_next = afterThis->_next;
   1.718 +    afterThis->_next->_prev = addThis;
   1.719 +    afterThis->_next = addThis;
   1.720 +    addThis->_parent = this;
   1.721 +    addThis->_memPool->SetTracked();
   1.722 +    return addThis;
   1.723 +}
   1.724 +
   1.725 +
   1.726 +
   1.727 +
   1.728 +const XMLElement* XMLNode::FirstChildElement( const char* value ) const
   1.729 +{
   1.730 +    for( XMLNode* node=_firstChild; node; node=node->_next ) {
   1.731 +        XMLElement* element = node->ToElement();
   1.732 +        if ( element ) {
   1.733 +            if ( !value || XMLUtil::StringEqual( element->Name(), value ) ) {
   1.734 +                return element;
   1.735 +            }
   1.736 +        }
   1.737 +    }
   1.738 +    return 0;
   1.739 +}
   1.740 +
   1.741 +
   1.742 +const XMLElement* XMLNode::LastChildElement( const char* value ) const
   1.743 +{
   1.744 +    for( XMLNode* node=_lastChild; node; node=node->_prev ) {
   1.745 +        XMLElement* element = node->ToElement();
   1.746 +        if ( element ) {
   1.747 +            if ( !value || XMLUtil::StringEqual( element->Name(), value ) ) {
   1.748 +                return element;
   1.749 +            }
   1.750 +        }
   1.751 +    }
   1.752 +    return 0;
   1.753 +}
   1.754 +
   1.755 +
   1.756 +const XMLElement* XMLNode::NextSiblingElement( const char* value ) const
   1.757 +{
   1.758 +    for( XMLNode* element=this->_next; element; element = element->_next ) {
   1.759 +        if (    element->ToElement()
   1.760 +                && (!value || XMLUtil::StringEqual( value, element->Value() ))) {
   1.761 +            return element->ToElement();
   1.762 +        }
   1.763 +    }
   1.764 +    return 0;
   1.765 +}
   1.766 +
   1.767 +
   1.768 +const XMLElement* XMLNode::PreviousSiblingElement( const char* value ) const
   1.769 +{
   1.770 +    for( XMLNode* element=_prev; element; element = element->_prev ) {
   1.771 +        if (    element->ToElement()
   1.772 +                && (!value || XMLUtil::StringEqual( value, element->Value() ))) {
   1.773 +            return element->ToElement();
   1.774 +        }
   1.775 +    }
   1.776 +    return 0;
   1.777 +}
   1.778 +
   1.779 +
   1.780 +char* XMLNode::ParseDeep( char* p, StrPair* parentEnd )
   1.781 +{
   1.782 +    // This is a recursive method, but thinking about it "at the current level"
   1.783 +    // it is a pretty simple flat list:
   1.784 +    //		<foo/>
   1.785 +    //		<!-- comment -->
   1.786 +    //
   1.787 +    // With a special case:
   1.788 +    //		<foo>
   1.789 +    //		</foo>
   1.790 +    //		<!-- comment -->
   1.791 +    //
   1.792 +    // Where the closing element (/foo) *must* be the next thing after the opening
   1.793 +    // element, and the names must match. BUT the tricky bit is that the closing
   1.794 +    // element will be read by the child.
   1.795 +    //
   1.796 +    // 'endTag' is the end tag for this node, it is returned by a call to a child.
   1.797 +    // 'parentEnd' is the end tag for the parent, which is filled in and returned.
   1.798 +
   1.799 +    while( p && *p ) {
   1.800 +        XMLNode* node = 0;
   1.801 +
   1.802 +        p = _document->Identify( p, &node );
   1.803 +        if ( p == 0 || node == 0 ) {
   1.804 +            break;
   1.805 +        }
   1.806 +
   1.807 +        StrPair endTag;
   1.808 +        p = node->ParseDeep( p, &endTag );
   1.809 +        if ( !p ) {
   1.810 +            DELETE_NODE( node );
   1.811 +            node = 0;
   1.812 +            if ( !_document->Error() ) {
   1.813 +                _document->SetError( XML_ERROR_PARSING, 0, 0 );
   1.814 +            }
   1.815 +            break;
   1.816 +        }
   1.817 +
   1.818 +        // We read the end tag. Return it to the parent.
   1.819 +        if ( node->ToElement() && node->ToElement()->ClosingType() == XMLElement::CLOSING ) {
   1.820 +            if ( parentEnd ) {
   1.821 +                *parentEnd = static_cast<XMLElement*>(node)->_value;
   1.822 +            }
   1.823 +			node->_memPool->SetTracked();	// created and then immediately deleted.
   1.824 +            DELETE_NODE( node );
   1.825 +            return p;
   1.826 +        }
   1.827 +
   1.828 +        // Handle an end tag returned to this level.
   1.829 +        // And handle a bunch of annoying errors.
   1.830 +        XMLElement* ele = node->ToElement();
   1.831 +        if ( ele ) {
   1.832 +            if ( endTag.Empty() && ele->ClosingType() == XMLElement::OPEN ) {
   1.833 +                _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
   1.834 +                p = 0;
   1.835 +            }
   1.836 +            else if ( !endTag.Empty() && ele->ClosingType() != XMLElement::OPEN ) {
   1.837 +                _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
   1.838 +                p = 0;
   1.839 +            }
   1.840 +            else if ( !endTag.Empty() ) {
   1.841 +                if ( !XMLUtil::StringEqual( endTag.GetStr(), node->Value() )) {
   1.842 +                    _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 );
   1.843 +                    p = 0;
   1.844 +                }
   1.845 +            }
   1.846 +        }
   1.847 +        if ( p == 0 ) {
   1.848 +            DELETE_NODE( node );
   1.849 +            node = 0;
   1.850 +        }
   1.851 +        if ( node ) {
   1.852 +            this->InsertEndChild( node );
   1.853 +        }
   1.854 +    }
   1.855 +    return 0;
   1.856 +}
   1.857 +
   1.858 +// --------- XMLText ---------- //
   1.859 +char* XMLText::ParseDeep( char* p, StrPair* )
   1.860 +{
   1.861 +    const char* start = p;
   1.862 +    if ( this->CData() ) {
   1.863 +        p = _value.ParseText( p, "]]>", StrPair::NEEDS_NEWLINE_NORMALIZATION );
   1.864 +        if ( !p ) {
   1.865 +            _document->SetError( XML_ERROR_PARSING_CDATA, start, 0 );
   1.866 +        }
   1.867 +        return p;
   1.868 +    }
   1.869 +    else {
   1.870 +        int flags = _document->ProcessEntities() ? StrPair::TEXT_ELEMENT : StrPair::TEXT_ELEMENT_LEAVE_ENTITIES;
   1.871 +        if ( _document->WhitespaceMode() == COLLAPSE_WHITESPACE ) {
   1.872 +            flags |= StrPair::COLLAPSE_WHITESPACE;
   1.873 +        }
   1.874 +
   1.875 +        p = _value.ParseText( p, "<", flags );
   1.876 +        if ( !p ) {
   1.877 +            _document->SetError( XML_ERROR_PARSING_TEXT, start, 0 );
   1.878 +        }
   1.879 +        if ( p && *p ) {
   1.880 +            return p-1;
   1.881 +        }
   1.882 +    }
   1.883 +    return 0;
   1.884 +}
   1.885 +
   1.886 +
   1.887 +XMLNode* XMLText::ShallowClone( XMLDocument* doc ) const
   1.888 +{
   1.889 +    if ( !doc ) {
   1.890 +        doc = _document;
   1.891 +    }
   1.892 +    XMLText* text = doc->NewText( Value() );	// fixme: this will always allocate memory. Intern?
   1.893 +    text->SetCData( this->CData() );
   1.894 +    return text;
   1.895 +}
   1.896 +
   1.897 +
   1.898 +bool XMLText::ShallowEqual( const XMLNode* compare ) const
   1.899 +{
   1.900 +    return ( compare->ToText() && XMLUtil::StringEqual( compare->ToText()->Value(), Value() ));
   1.901 +}
   1.902 +
   1.903 +
   1.904 +bool XMLText::Accept( XMLVisitor* visitor ) const
   1.905 +{
   1.906 +    return visitor->Visit( *this );
   1.907 +}
   1.908 +
   1.909 +
   1.910 +// --------- XMLComment ---------- //
   1.911 +
   1.912 +XMLComment::XMLComment( XMLDocument* doc ) : XMLNode( doc )
   1.913 +{
   1.914 +}
   1.915 +
   1.916 +
   1.917 +XMLComment::~XMLComment()
   1.918 +{
   1.919 +}
   1.920 +
   1.921 +
   1.922 +char* XMLComment::ParseDeep( char* p, StrPair* )
   1.923 +{
   1.924 +    // Comment parses as text.
   1.925 +    const char* start = p;
   1.926 +    p = _value.ParseText( p, "-->", StrPair::COMMENT );
   1.927 +    if ( p == 0 ) {
   1.928 +        _document->SetError( XML_ERROR_PARSING_COMMENT, start, 0 );
   1.929 +    }
   1.930 +    return p;
   1.931 +}
   1.932 +
   1.933 +
   1.934 +XMLNode* XMLComment::ShallowClone( XMLDocument* doc ) const
   1.935 +{
   1.936 +    if ( !doc ) {
   1.937 +        doc = _document;
   1.938 +    }
   1.939 +    XMLComment* comment = doc->NewComment( Value() );	// fixme: this will always allocate memory. Intern?
   1.940 +    return comment;
   1.941 +}
   1.942 +
   1.943 +
   1.944 +bool XMLComment::ShallowEqual( const XMLNode* compare ) const
   1.945 +{
   1.946 +    return ( compare->ToComment() && XMLUtil::StringEqual( compare->ToComment()->Value(), Value() ));
   1.947 +}
   1.948 +
   1.949 +
   1.950 +bool XMLComment::Accept( XMLVisitor* visitor ) const
   1.951 +{
   1.952 +    return visitor->Visit( *this );
   1.953 +}
   1.954 +
   1.955 +
   1.956 +// --------- XMLDeclaration ---------- //
   1.957 +
   1.958 +XMLDeclaration::XMLDeclaration( XMLDocument* doc ) : XMLNode( doc )
   1.959 +{
   1.960 +}
   1.961 +
   1.962 +
   1.963 +XMLDeclaration::~XMLDeclaration()
   1.964 +{
   1.965 +    //printf( "~XMLDeclaration\n" );
   1.966 +}
   1.967 +
   1.968 +
   1.969 +char* XMLDeclaration::ParseDeep( char* p, StrPair* )
   1.970 +{
   1.971 +    // Declaration parses as text.
   1.972 +    const char* start = p;
   1.973 +    p = _value.ParseText( p, "?>", StrPair::NEEDS_NEWLINE_NORMALIZATION );
   1.974 +    if ( p == 0 ) {
   1.975 +        _document->SetError( XML_ERROR_PARSING_DECLARATION, start, 0 );
   1.976 +    }
   1.977 +    return p;
   1.978 +}
   1.979 +
   1.980 +
   1.981 +XMLNode* XMLDeclaration::ShallowClone( XMLDocument* doc ) const
   1.982 +{
   1.983 +    if ( !doc ) {
   1.984 +        doc = _document;
   1.985 +    }
   1.986 +    XMLDeclaration* dec = doc->NewDeclaration( Value() );	// fixme: this will always allocate memory. Intern?
   1.987 +    return dec;
   1.988 +}
   1.989 +
   1.990 +
   1.991 +bool XMLDeclaration::ShallowEqual( const XMLNode* compare ) const
   1.992 +{
   1.993 +    return ( compare->ToDeclaration() && XMLUtil::StringEqual( compare->ToDeclaration()->Value(), Value() ));
   1.994 +}
   1.995 +
   1.996 +
   1.997 +
   1.998 +bool XMLDeclaration::Accept( XMLVisitor* visitor ) const
   1.999 +{
  1.1000 +    return visitor->Visit( *this );
  1.1001 +}
  1.1002 +
  1.1003 +// --------- XMLUnknown ---------- //
  1.1004 +
  1.1005 +XMLUnknown::XMLUnknown( XMLDocument* doc ) : XMLNode( doc )
  1.1006 +{
  1.1007 +}
  1.1008 +
  1.1009 +
  1.1010 +XMLUnknown::~XMLUnknown()
  1.1011 +{
  1.1012 +}
  1.1013 +
  1.1014 +
  1.1015 +char* XMLUnknown::ParseDeep( char* p, StrPair* )
  1.1016 +{
  1.1017 +    // Unknown parses as text.
  1.1018 +    const char* start = p;
  1.1019 +
  1.1020 +    p = _value.ParseText( p, ">", StrPair::NEEDS_NEWLINE_NORMALIZATION );
  1.1021 +    if ( !p ) {
  1.1022 +        _document->SetError( XML_ERROR_PARSING_UNKNOWN, start, 0 );
  1.1023 +    }
  1.1024 +    return p;
  1.1025 +}
  1.1026 +
  1.1027 +
  1.1028 +XMLNode* XMLUnknown::ShallowClone( XMLDocument* doc ) const
  1.1029 +{
  1.1030 +    if ( !doc ) {
  1.1031 +        doc = _document;
  1.1032 +    }
  1.1033 +    XMLUnknown* text = doc->NewUnknown( Value() );	// fixme: this will always allocate memory. Intern?
  1.1034 +    return text;
  1.1035 +}
  1.1036 +
  1.1037 +
  1.1038 +bool XMLUnknown::ShallowEqual( const XMLNode* compare ) const
  1.1039 +{
  1.1040 +    return ( compare->ToUnknown() && XMLUtil::StringEqual( compare->ToUnknown()->Value(), Value() ));
  1.1041 +}
  1.1042 +
  1.1043 +
  1.1044 +bool XMLUnknown::Accept( XMLVisitor* visitor ) const
  1.1045 +{
  1.1046 +    return visitor->Visit( *this );
  1.1047 +}
  1.1048 +
  1.1049 +// --------- XMLAttribute ---------- //
  1.1050 +char* XMLAttribute::ParseDeep( char* p, bool processEntities )
  1.1051 +{
  1.1052 +    // Parse using the name rules: bug fix, was using ParseText before
  1.1053 +    p = _name.ParseName( p );
  1.1054 +    if ( !p || !*p ) {
  1.1055 +        return 0;
  1.1056 +    }
  1.1057 +
  1.1058 +    // Skip white space before =
  1.1059 +    p = XMLUtil::SkipWhiteSpace( p );
  1.1060 +    if ( !p || *p != '=' ) {
  1.1061 +        return 0;
  1.1062 +    }
  1.1063 +
  1.1064 +    ++p;	// move up to opening quote
  1.1065 +    p = XMLUtil::SkipWhiteSpace( p );
  1.1066 +    if ( *p != '\"' && *p != '\'' ) {
  1.1067 +        return 0;
  1.1068 +    }
  1.1069 +
  1.1070 +    char endTag[2] = { *p, 0 };
  1.1071 +    ++p;	// move past opening quote
  1.1072 +
  1.1073 +    p = _value.ParseText( p, endTag, processEntities ? StrPair::ATTRIBUTE_VALUE : StrPair::ATTRIBUTE_VALUE_LEAVE_ENTITIES );
  1.1074 +    return p;
  1.1075 +}
  1.1076 +
  1.1077 +
  1.1078 +void XMLAttribute::SetName( const char* n )
  1.1079 +{
  1.1080 +    _name.SetStr( n );
  1.1081 +}
  1.1082 +
  1.1083 +
  1.1084 +XMLError XMLAttribute::QueryIntValue( int* value ) const
  1.1085 +{
  1.1086 +    if ( XMLUtil::ToInt( Value(), value )) {
  1.1087 +        return XML_NO_ERROR;
  1.1088 +    }
  1.1089 +    return XML_WRONG_ATTRIBUTE_TYPE;
  1.1090 +}
  1.1091 +
  1.1092 +
  1.1093 +XMLError XMLAttribute::QueryUnsignedValue( unsigned int* value ) const
  1.1094 +{
  1.1095 +    if ( XMLUtil::ToUnsigned( Value(), value )) {
  1.1096 +        return XML_NO_ERROR;
  1.1097 +    }
  1.1098 +    return XML_WRONG_ATTRIBUTE_TYPE;
  1.1099 +}
  1.1100 +
  1.1101 +
  1.1102 +XMLError XMLAttribute::QueryBoolValue( bool* value ) const
  1.1103 +{
  1.1104 +    if ( XMLUtil::ToBool( Value(), value )) {
  1.1105 +        return XML_NO_ERROR;
  1.1106 +    }
  1.1107 +    return XML_WRONG_ATTRIBUTE_TYPE;
  1.1108 +}
  1.1109 +
  1.1110 +
  1.1111 +XMLError XMLAttribute::QueryFloatValue( float* value ) const
  1.1112 +{
  1.1113 +    if ( XMLUtil::ToFloat( Value(), value )) {
  1.1114 +        return XML_NO_ERROR;
  1.1115 +    }
  1.1116 +    return XML_WRONG_ATTRIBUTE_TYPE;
  1.1117 +}
  1.1118 +
  1.1119 +
  1.1120 +XMLError XMLAttribute::QueryDoubleValue( double* value ) const
  1.1121 +{
  1.1122 +    if ( XMLUtil::ToDouble( Value(), value )) {
  1.1123 +        return XML_NO_ERROR;
  1.1124 +    }
  1.1125 +    return XML_WRONG_ATTRIBUTE_TYPE;
  1.1126 +}
  1.1127 +
  1.1128 +
  1.1129 +void XMLAttribute::SetAttribute( const char* v )
  1.1130 +{
  1.1131 +    _value.SetStr( v );
  1.1132 +}
  1.1133 +
  1.1134 +
  1.1135 +void XMLAttribute::SetAttribute( int v )
  1.1136 +{
  1.1137 +    char buf[BUF_SIZE];
  1.1138 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1139 +    _value.SetStr( buf );
  1.1140 +}
  1.1141 +
  1.1142 +
  1.1143 +void XMLAttribute::SetAttribute( unsigned v )
  1.1144 +{
  1.1145 +    char buf[BUF_SIZE];
  1.1146 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1147 +    _value.SetStr( buf );
  1.1148 +}
  1.1149 +
  1.1150 +
  1.1151 +void XMLAttribute::SetAttribute( bool v )
  1.1152 +{
  1.1153 +    char buf[BUF_SIZE];
  1.1154 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1155 +    _value.SetStr( buf );
  1.1156 +}
  1.1157 +
  1.1158 +void XMLAttribute::SetAttribute( double v )
  1.1159 +{
  1.1160 +    char buf[BUF_SIZE];
  1.1161 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1162 +    _value.SetStr( buf );
  1.1163 +}
  1.1164 +
  1.1165 +void XMLAttribute::SetAttribute( float v )
  1.1166 +{
  1.1167 +    char buf[BUF_SIZE];
  1.1168 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1169 +    _value.SetStr( buf );
  1.1170 +}
  1.1171 +
  1.1172 +
  1.1173 +// --------- XMLElement ---------- //
  1.1174 +XMLElement::XMLElement( XMLDocument* doc ) : XMLNode( doc ),
  1.1175 +    _closingType( 0 ),
  1.1176 +    _rootAttribute( 0 )
  1.1177 +{
  1.1178 +}
  1.1179 +
  1.1180 +
  1.1181 +XMLElement::~XMLElement()
  1.1182 +{
  1.1183 +    while( _rootAttribute ) {
  1.1184 +        XMLAttribute* next = _rootAttribute->_next;
  1.1185 +        DELETE_ATTRIBUTE( _rootAttribute );
  1.1186 +        _rootAttribute = next;
  1.1187 +    }
  1.1188 +}
  1.1189 +
  1.1190 +
  1.1191 +XMLAttribute* XMLElement::FindAttribute( const char* name )
  1.1192 +{
  1.1193 +    XMLAttribute* a = 0;
  1.1194 +    for( a=_rootAttribute; a; a = a->_next ) {
  1.1195 +        if ( XMLUtil::StringEqual( a->Name(), name ) ) {
  1.1196 +            return a;
  1.1197 +        }
  1.1198 +    }
  1.1199 +    return 0;
  1.1200 +}
  1.1201 +
  1.1202 +
  1.1203 +const XMLAttribute* XMLElement::FindAttribute( const char* name ) const
  1.1204 +{
  1.1205 +    XMLAttribute* a = 0;
  1.1206 +    for( a=_rootAttribute; a; a = a->_next ) {
  1.1207 +        if ( XMLUtil::StringEqual( a->Name(), name ) ) {
  1.1208 +            return a;
  1.1209 +        }
  1.1210 +    }
  1.1211 +    return 0;
  1.1212 +}
  1.1213 +
  1.1214 +
  1.1215 +const char* XMLElement::Attribute( const char* name, const char* value ) const
  1.1216 +{
  1.1217 +    const XMLAttribute* a = FindAttribute( name );
  1.1218 +    if ( !a ) {
  1.1219 +        return 0;
  1.1220 +    }
  1.1221 +    if ( !value || XMLUtil::StringEqual( a->Value(), value )) {
  1.1222 +        return a->Value();
  1.1223 +    }
  1.1224 +    return 0;
  1.1225 +}
  1.1226 +
  1.1227 +
  1.1228 +const char* XMLElement::GetText() const
  1.1229 +{
  1.1230 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1231 +        return FirstChild()->ToText()->Value();
  1.1232 +    }
  1.1233 +    return 0;
  1.1234 +}
  1.1235 +
  1.1236 +
  1.1237 +XMLError XMLElement::QueryIntText( int* ival ) const
  1.1238 +{
  1.1239 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1240 +        const char* t = FirstChild()->ToText()->Value();
  1.1241 +        if ( XMLUtil::ToInt( t, ival ) ) {
  1.1242 +            return XML_SUCCESS;
  1.1243 +        }
  1.1244 +        return XML_CAN_NOT_CONVERT_TEXT;
  1.1245 +    }
  1.1246 +    return XML_NO_TEXT_NODE;
  1.1247 +}
  1.1248 +
  1.1249 +
  1.1250 +XMLError XMLElement::QueryUnsignedText( unsigned* uval ) const
  1.1251 +{
  1.1252 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1253 +        const char* t = FirstChild()->ToText()->Value();
  1.1254 +        if ( XMLUtil::ToUnsigned( t, uval ) ) {
  1.1255 +            return XML_SUCCESS;
  1.1256 +        }
  1.1257 +        return XML_CAN_NOT_CONVERT_TEXT;
  1.1258 +    }
  1.1259 +    return XML_NO_TEXT_NODE;
  1.1260 +}
  1.1261 +
  1.1262 +
  1.1263 +XMLError XMLElement::QueryBoolText( bool* bval ) const
  1.1264 +{
  1.1265 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1266 +        const char* t = FirstChild()->ToText()->Value();
  1.1267 +        if ( XMLUtil::ToBool( t, bval ) ) {
  1.1268 +            return XML_SUCCESS;
  1.1269 +        }
  1.1270 +        return XML_CAN_NOT_CONVERT_TEXT;
  1.1271 +    }
  1.1272 +    return XML_NO_TEXT_NODE;
  1.1273 +}
  1.1274 +
  1.1275 +
  1.1276 +XMLError XMLElement::QueryDoubleText( double* dval ) const
  1.1277 +{
  1.1278 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1279 +        const char* t = FirstChild()->ToText()->Value();
  1.1280 +        if ( XMLUtil::ToDouble( t, dval ) ) {
  1.1281 +            return XML_SUCCESS;
  1.1282 +        }
  1.1283 +        return XML_CAN_NOT_CONVERT_TEXT;
  1.1284 +    }
  1.1285 +    return XML_NO_TEXT_NODE;
  1.1286 +}
  1.1287 +
  1.1288 +
  1.1289 +XMLError XMLElement::QueryFloatText( float* fval ) const
  1.1290 +{
  1.1291 +    if ( FirstChild() && FirstChild()->ToText() ) {
  1.1292 +        const char* t = FirstChild()->ToText()->Value();
  1.1293 +        if ( XMLUtil::ToFloat( t, fval ) ) {
  1.1294 +            return XML_SUCCESS;
  1.1295 +        }
  1.1296 +        return XML_CAN_NOT_CONVERT_TEXT;
  1.1297 +    }
  1.1298 +    return XML_NO_TEXT_NODE;
  1.1299 +}
  1.1300 +
  1.1301 +
  1.1302 +
  1.1303 +XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name )
  1.1304 +{
  1.1305 +    XMLAttribute* last = 0;
  1.1306 +    XMLAttribute* attrib = 0;
  1.1307 +    for( attrib = _rootAttribute;
  1.1308 +            attrib;
  1.1309 +            last = attrib, attrib = attrib->_next ) {
  1.1310 +        if ( XMLUtil::StringEqual( attrib->Name(), name ) ) {
  1.1311 +            break;
  1.1312 +        }
  1.1313 +    }
  1.1314 +    if ( !attrib ) {
  1.1315 +        attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
  1.1316 +        attrib->_memPool = &_document->_attributePool;
  1.1317 +        if ( last ) {
  1.1318 +            last->_next = attrib;
  1.1319 +        }
  1.1320 +        else {
  1.1321 +            _rootAttribute = attrib;
  1.1322 +        }
  1.1323 +        attrib->SetName( name );
  1.1324 +        attrib->_memPool->SetTracked(); // always created and linked.
  1.1325 +    }
  1.1326 +    return attrib;
  1.1327 +}
  1.1328 +
  1.1329 +
  1.1330 +void XMLElement::DeleteAttribute( const char* name )
  1.1331 +{
  1.1332 +    XMLAttribute* prev = 0;
  1.1333 +    for( XMLAttribute* a=_rootAttribute; a; a=a->_next ) {
  1.1334 +        if ( XMLUtil::StringEqual( name, a->Name() ) ) {
  1.1335 +            if ( prev ) {
  1.1336 +                prev->_next = a->_next;
  1.1337 +            }
  1.1338 +            else {
  1.1339 +                _rootAttribute = a->_next;
  1.1340 +            }
  1.1341 +            DELETE_ATTRIBUTE( a );
  1.1342 +            break;
  1.1343 +        }
  1.1344 +        prev = a;
  1.1345 +    }
  1.1346 +}
  1.1347 +
  1.1348 +
  1.1349 +char* XMLElement::ParseAttributes( char* p )
  1.1350 +{
  1.1351 +    const char* start = p;
  1.1352 +    XMLAttribute* prevAttribute = 0;
  1.1353 +
  1.1354 +    // Read the attributes.
  1.1355 +    while( p ) {
  1.1356 +        p = XMLUtil::SkipWhiteSpace( p );
  1.1357 +        if ( !p || !(*p) ) {
  1.1358 +            _document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() );
  1.1359 +            return 0;
  1.1360 +        }
  1.1361 +
  1.1362 +        // attribute.
  1.1363 +        if ( XMLUtil::IsAlpha( *p ) ) {
  1.1364 +            XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
  1.1365 +            attrib->_memPool = &_document->_attributePool;
  1.1366 +			attrib->_memPool->SetTracked();
  1.1367 +
  1.1368 +            p = attrib->ParseDeep( p, _document->ProcessEntities() );
  1.1369 +            if ( !p || Attribute( attrib->Name() ) ) {
  1.1370 +                DELETE_ATTRIBUTE( attrib );
  1.1371 +                _document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p );
  1.1372 +                return 0;
  1.1373 +            }
  1.1374 +            // There is a minor bug here: if the attribute in the source xml
  1.1375 +            // document is duplicated, it will not be detected and the
  1.1376 +            // attribute will be doubly added. However, tracking the 'prevAttribute'
  1.1377 +            // avoids re-scanning the attribute list. Preferring performance for
  1.1378 +            // now, may reconsider in the future.
  1.1379 +            if ( prevAttribute ) {
  1.1380 +                prevAttribute->_next = attrib;
  1.1381 +            }
  1.1382 +            else {
  1.1383 +                _rootAttribute = attrib;
  1.1384 +            }
  1.1385 +            prevAttribute = attrib;
  1.1386 +        }
  1.1387 +        // end of the tag
  1.1388 +        else if ( *p == '/' && *(p+1) == '>' ) {
  1.1389 +            _closingType = CLOSED;
  1.1390 +            return p+2;	// done; sealed element.
  1.1391 +        }
  1.1392 +        // end of the tag
  1.1393 +        else if ( *p == '>' ) {
  1.1394 +            ++p;
  1.1395 +            break;
  1.1396 +        }
  1.1397 +        else {
  1.1398 +            _document->SetError( XML_ERROR_PARSING_ELEMENT, start, p );
  1.1399 +            return 0;
  1.1400 +        }
  1.1401 +    }
  1.1402 +    return p;
  1.1403 +}
  1.1404 +
  1.1405 +
  1.1406 +//
  1.1407 +//	<ele></ele>
  1.1408 +//	<ele>foo<b>bar</b></ele>
  1.1409 +//
  1.1410 +char* XMLElement::ParseDeep( char* p, StrPair* strPair )
  1.1411 +{
  1.1412 +    // Read the element name.
  1.1413 +    p = XMLUtil::SkipWhiteSpace( p );
  1.1414 +    if ( !p ) {
  1.1415 +        return 0;
  1.1416 +    }
  1.1417 +
  1.1418 +    // The closing element is the </element> form. It is
  1.1419 +    // parsed just like a regular element then deleted from
  1.1420 +    // the DOM.
  1.1421 +    if ( *p == '/' ) {
  1.1422 +        _closingType = CLOSING;
  1.1423 +        ++p;
  1.1424 +    }
  1.1425 +
  1.1426 +    p = _value.ParseName( p );
  1.1427 +    if ( _value.Empty() ) {
  1.1428 +        return 0;
  1.1429 +    }
  1.1430 +
  1.1431 +    p = ParseAttributes( p );
  1.1432 +    if ( !p || !*p || _closingType ) {
  1.1433 +        return p;
  1.1434 +    }
  1.1435 +
  1.1436 +    p = XMLNode::ParseDeep( p, strPair );
  1.1437 +    return p;
  1.1438 +}
  1.1439 +
  1.1440 +
  1.1441 +
  1.1442 +XMLNode* XMLElement::ShallowClone( XMLDocument* doc ) const
  1.1443 +{
  1.1444 +    if ( !doc ) {
  1.1445 +        doc = _document;
  1.1446 +    }
  1.1447 +    XMLElement* element = doc->NewElement( Value() );					// fixme: this will always allocate memory. Intern?
  1.1448 +    for( const XMLAttribute* a=FirstAttribute(); a; a=a->Next() ) {
  1.1449 +        element->SetAttribute( a->Name(), a->Value() );					// fixme: this will always allocate memory. Intern?
  1.1450 +    }
  1.1451 +    return element;
  1.1452 +}
  1.1453 +
  1.1454 +
  1.1455 +bool XMLElement::ShallowEqual( const XMLNode* compare ) const
  1.1456 +{
  1.1457 +    const XMLElement* other = compare->ToElement();
  1.1458 +    if ( other && XMLUtil::StringEqual( other->Value(), Value() )) {
  1.1459 +
  1.1460 +        const XMLAttribute* a=FirstAttribute();
  1.1461 +        const XMLAttribute* b=other->FirstAttribute();
  1.1462 +
  1.1463 +        while ( a && b ) {
  1.1464 +            if ( !XMLUtil::StringEqual( a->Value(), b->Value() ) ) {
  1.1465 +                return false;
  1.1466 +            }
  1.1467 +            a = a->Next();
  1.1468 +            b = b->Next();
  1.1469 +        }
  1.1470 +        if ( a || b ) {
  1.1471 +            // different count
  1.1472 +            return false;
  1.1473 +        }
  1.1474 +        return true;
  1.1475 +    }
  1.1476 +    return false;
  1.1477 +}
  1.1478 +
  1.1479 +
  1.1480 +bool XMLElement::Accept( XMLVisitor* visitor ) const
  1.1481 +{
  1.1482 +    if ( visitor->VisitEnter( *this, _rootAttribute ) ) {
  1.1483 +        for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) {
  1.1484 +            if ( !node->Accept( visitor ) ) {
  1.1485 +                break;
  1.1486 +            }
  1.1487 +        }
  1.1488 +    }
  1.1489 +    return visitor->VisitExit( *this );
  1.1490 +}
  1.1491 +
  1.1492 +
  1.1493 +// --------- XMLDocument ----------- //
  1.1494 +XMLDocument::XMLDocument( bool processEntities, Whitespace whitespace ) :
  1.1495 +    XMLNode( 0 ),
  1.1496 +    _writeBOM( false ),
  1.1497 +    _processEntities( processEntities ),
  1.1498 +    _errorID( XML_NO_ERROR ),
  1.1499 +    _whitespace( whitespace ),
  1.1500 +    _errorStr1( 0 ),
  1.1501 +    _errorStr2( 0 ),
  1.1502 +    _charBuffer( 0 )
  1.1503 +{
  1.1504 +    _document = this;	// avoid warning about 'this' in initializer list
  1.1505 +}
  1.1506 +
  1.1507 +
  1.1508 +XMLDocument::~XMLDocument()
  1.1509 +{
  1.1510 +    DeleteChildren();
  1.1511 +    delete [] _charBuffer;
  1.1512 +
  1.1513 +#if 0
  1.1514 +    textPool.Trace( "text" );
  1.1515 +    elementPool.Trace( "element" );
  1.1516 +    commentPool.Trace( "comment" );
  1.1517 +    attributePool.Trace( "attribute" );
  1.1518 +#endif
  1.1519 +
  1.1520 +#ifdef DEBUG
  1.1521 +	if ( Error() == false ) {
  1.1522 +		TIXMLASSERT( _elementPool.CurrentAllocs()   == _elementPool.Untracked() );
  1.1523 +		TIXMLASSERT( _attributePool.CurrentAllocs() == _attributePool.Untracked() );
  1.1524 +		TIXMLASSERT( _textPool.CurrentAllocs()      == _textPool.Untracked() );
  1.1525 +		TIXMLASSERT( _commentPool.CurrentAllocs()   == _commentPool.Untracked() );
  1.1526 +	}
  1.1527 +#endif
  1.1528 +}
  1.1529 +
  1.1530 +
  1.1531 +void XMLDocument::InitDocument()
  1.1532 +{
  1.1533 +    _errorID = XML_NO_ERROR;
  1.1534 +    _errorStr1 = 0;
  1.1535 +    _errorStr2 = 0;
  1.1536 +
  1.1537 +    delete [] _charBuffer;
  1.1538 +    _charBuffer = 0;
  1.1539 +}
  1.1540 +
  1.1541 +
  1.1542 +XMLElement* XMLDocument::NewElement( const char* name )
  1.1543 +{
  1.1544 +    XMLElement* ele = new (_elementPool.Alloc()) XMLElement( this );
  1.1545 +    ele->_memPool = &_elementPool;
  1.1546 +    ele->SetName( name );
  1.1547 +    return ele;
  1.1548 +}
  1.1549 +
  1.1550 +
  1.1551 +XMLComment* XMLDocument::NewComment( const char* str )
  1.1552 +{
  1.1553 +    XMLComment* comment = new (_commentPool.Alloc()) XMLComment( this );
  1.1554 +    comment->_memPool = &_commentPool;
  1.1555 +    comment->SetValue( str );
  1.1556 +    return comment;
  1.1557 +}
  1.1558 +
  1.1559 +
  1.1560 +XMLText* XMLDocument::NewText( const char* str )
  1.1561 +{
  1.1562 +    XMLText* text = new (_textPool.Alloc()) XMLText( this );
  1.1563 +    text->_memPool = &_textPool;
  1.1564 +    text->SetValue( str );
  1.1565 +    return text;
  1.1566 +}
  1.1567 +
  1.1568 +
  1.1569 +XMLDeclaration* XMLDocument::NewDeclaration( const char* str )
  1.1570 +{
  1.1571 +    XMLDeclaration* dec = new (_commentPool.Alloc()) XMLDeclaration( this );
  1.1572 +    dec->_memPool = &_commentPool;
  1.1573 +    dec->SetValue( str ? str : "xml version=\"1.0\" encoding=\"UTF-8\"" );
  1.1574 +    return dec;
  1.1575 +}
  1.1576 +
  1.1577 +
  1.1578 +XMLUnknown* XMLDocument::NewUnknown( const char* str )
  1.1579 +{
  1.1580 +    XMLUnknown* unk = new (_commentPool.Alloc()) XMLUnknown( this );
  1.1581 +    unk->_memPool = &_commentPool;
  1.1582 +    unk->SetValue( str );
  1.1583 +    return unk;
  1.1584 +}
  1.1585 +
  1.1586 +
  1.1587 +XMLError XMLDocument::LoadFile( const char* filename )
  1.1588 +{
  1.1589 +    DeleteChildren();
  1.1590 +    InitDocument();
  1.1591 +    FILE* fp = 0;
  1.1592 +
  1.1593 +#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
  1.1594 +    errno_t err = fopen_s(&fp, filename, "rb" );
  1.1595 +    if ( !fp || err) {
  1.1596 +#else
  1.1597 +    fp = fopen( filename, "rb" );
  1.1598 +    if ( !fp) {
  1.1599 +#endif
  1.1600 +        SetError( XML_ERROR_FILE_NOT_FOUND, filename, 0 );
  1.1601 +        return _errorID;
  1.1602 +    }
  1.1603 +    LoadFile( fp );
  1.1604 +    fclose( fp );
  1.1605 +    return _errorID;
  1.1606 +}
  1.1607 +
  1.1608 +
  1.1609 +XMLError XMLDocument::LoadFile( FILE* fp )
  1.1610 +{
  1.1611 +    DeleteChildren();
  1.1612 +    InitDocument();
  1.1613 +
  1.1614 +    fseek( fp, 0, SEEK_END );
  1.1615 +    size_t size = ftell( fp );
  1.1616 +    fseek( fp, 0, SEEK_SET );
  1.1617 +
  1.1618 +    if ( size == 0 ) {
  1.1619 +        return _errorID;
  1.1620 +    }
  1.1621 +
  1.1622 +    _charBuffer = new char[size+1];
  1.1623 +    size_t read = fread( _charBuffer, 1, size, fp );
  1.1624 +    if ( read != size ) {
  1.1625 +        SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 );
  1.1626 +        return _errorID;
  1.1627 +    }
  1.1628 +
  1.1629 +    _charBuffer[size] = 0;
  1.1630 +
  1.1631 +    const char* p = _charBuffer;
  1.1632 +    p = XMLUtil::SkipWhiteSpace( p );
  1.1633 +    p = XMLUtil::ReadBOM( p, &_writeBOM );
  1.1634 +    if ( !p || !*p ) {
  1.1635 +        SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
  1.1636 +        return _errorID;
  1.1637 +    }
  1.1638 +
  1.1639 +    ParseDeep( _charBuffer + (p-_charBuffer), 0 );
  1.1640 +    return _errorID;
  1.1641 +}
  1.1642 +
  1.1643 +
  1.1644 +XMLError XMLDocument::SaveFile( const char* filename, bool compact )
  1.1645 +{
  1.1646 +    FILE* fp = 0;
  1.1647 +#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
  1.1648 +    errno_t err = fopen_s(&fp, filename, "w" );
  1.1649 +    if ( !fp || err) {
  1.1650 +#else
  1.1651 +    fp = fopen( filename, "w" );
  1.1652 +    if ( !fp) {
  1.1653 +#endif
  1.1654 +        SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, filename, 0 );
  1.1655 +        return _errorID;
  1.1656 +    }
  1.1657 +    SaveFile(fp, compact);
  1.1658 +    fclose( fp );
  1.1659 +    return _errorID;
  1.1660 +}
  1.1661 +
  1.1662 +
  1.1663 +XMLError XMLDocument::SaveFile( FILE* fp, bool compact )
  1.1664 +{
  1.1665 +    XMLPrinter stream( fp, compact );
  1.1666 +    Print( &stream );
  1.1667 +    return _errorID;
  1.1668 +}
  1.1669 +
  1.1670 +
  1.1671 +XMLError XMLDocument::Parse( const char* p, size_t len )
  1.1672 +{
  1.1673 +    DeleteChildren();
  1.1674 +    InitDocument();
  1.1675 +
  1.1676 +    if ( !p || !*p ) {
  1.1677 +        SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
  1.1678 +        return _errorID;
  1.1679 +    }
  1.1680 +    if ( len == (size_t)(-1) ) {
  1.1681 +        len = strlen( p );
  1.1682 +    }
  1.1683 +    _charBuffer = new char[ len+1 ];
  1.1684 +    memcpy( _charBuffer, p, len );
  1.1685 +    _charBuffer[len] = 0;
  1.1686 +
  1.1687 +    p = XMLUtil::SkipWhiteSpace( p );
  1.1688 +    p = XMLUtil::ReadBOM( p, &_writeBOM );
  1.1689 +    if ( !p || !*p ) {
  1.1690 +        SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
  1.1691 +        return _errorID;
  1.1692 +    }
  1.1693 +
  1.1694 +    ParseDeep( _charBuffer, 0 );
  1.1695 +    return _errorID;
  1.1696 +}
  1.1697 +
  1.1698 +
  1.1699 +void XMLDocument::Print( XMLPrinter* streamer )
  1.1700 +{
  1.1701 +    XMLPrinter stdStreamer( stdout );
  1.1702 +    if ( !streamer ) {
  1.1703 +        streamer = &stdStreamer;
  1.1704 +    }
  1.1705 +    Accept( streamer );
  1.1706 +}
  1.1707 +
  1.1708 +
  1.1709 +void XMLDocument::SetError( XMLError error, const char* str1, const char* str2 )
  1.1710 +{
  1.1711 +    _errorID = error;
  1.1712 +    _errorStr1 = str1;
  1.1713 +    _errorStr2 = str2;
  1.1714 +}
  1.1715 +
  1.1716 +
  1.1717 +void XMLDocument::PrintError() const
  1.1718 +{
  1.1719 +    if ( _errorID ) {
  1.1720 +        static const int LEN = 20;
  1.1721 +        char buf1[LEN] = { 0 };
  1.1722 +        char buf2[LEN] = { 0 };
  1.1723 +
  1.1724 +        if ( _errorStr1 ) {
  1.1725 +            TIXML_SNPRINTF( buf1, LEN, "%s", _errorStr1 );
  1.1726 +        }
  1.1727 +        if ( _errorStr2 ) {
  1.1728 +            TIXML_SNPRINTF( buf2, LEN, "%s", _errorStr2 );
  1.1729 +        }
  1.1730 +
  1.1731 +        printf( "XMLDocument error id=%d str1=%s str2=%s\n",
  1.1732 +                _errorID, buf1, buf2 );
  1.1733 +    }
  1.1734 +}
  1.1735 +
  1.1736 +
  1.1737 +XMLPrinter::XMLPrinter( FILE* file, bool compact ) :
  1.1738 +    _elementJustOpened( false ),
  1.1739 +    _firstElement( true ),
  1.1740 +    _fp( file ),
  1.1741 +    _depth( 0 ),
  1.1742 +    _textDepth( -1 ),
  1.1743 +    _processEntities( true ),
  1.1744 +    _compactMode( compact )
  1.1745 +{
  1.1746 +    for( int i=0; i<ENTITY_RANGE; ++i ) {
  1.1747 +        _entityFlag[i] = false;
  1.1748 +        _restrictedEntityFlag[i] = false;
  1.1749 +    }
  1.1750 +    for( int i=0; i<NUM_ENTITIES; ++i ) {
  1.1751 +        TIXMLASSERT( entities[i].value < ENTITY_RANGE );
  1.1752 +        if ( entities[i].value < ENTITY_RANGE ) {
  1.1753 +            _entityFlag[ (int)entities[i].value ] = true;
  1.1754 +        }
  1.1755 +    }
  1.1756 +    _restrictedEntityFlag[(int)'&'] = true;
  1.1757 +    _restrictedEntityFlag[(int)'<'] = true;
  1.1758 +    _restrictedEntityFlag[(int)'>'] = true;	// not required, but consistency is nice
  1.1759 +    _buffer.Push( 0 );
  1.1760 +}
  1.1761 +
  1.1762 +
  1.1763 +void XMLPrinter::Print( const char* format, ... )
  1.1764 +{
  1.1765 +    va_list     va;
  1.1766 +    va_start( va, format );
  1.1767 +
  1.1768 +    if ( _fp ) {
  1.1769 +        vfprintf( _fp, format, va );
  1.1770 +    }
  1.1771 +    else {
  1.1772 +        // This seems brutally complex. Haven't figured out a better
  1.1773 +        // way on windows.
  1.1774 +#ifdef _MSC_VER
  1.1775 +        int len = -1;
  1.1776 +        int expand = 1000;
  1.1777 +        while ( len < 0 ) {
  1.1778 +            len = vsnprintf_s( _accumulator.Mem(), _accumulator.Capacity(), _TRUNCATE, format, va );
  1.1779 +            if ( len < 0 ) {
  1.1780 +                expand *= 3/2;
  1.1781 +                _accumulator.PushArr( expand );
  1.1782 +            }
  1.1783 +        }
  1.1784 +        char* p = _buffer.PushArr( len ) - 1;
  1.1785 +        memcpy( p, _accumulator.Mem(), len+1 );
  1.1786 +#else
  1.1787 +        int len = vsnprintf( 0, 0, format, va );
  1.1788 +        // Close out and re-start the va-args
  1.1789 +        va_end( va );
  1.1790 +        va_start( va, format );
  1.1791 +        char* p = _buffer.PushArr( len ) - 1;
  1.1792 +        vsnprintf( p, len+1, format, va );
  1.1793 +#endif
  1.1794 +    }
  1.1795 +    va_end( va );
  1.1796 +}
  1.1797 +
  1.1798 +
  1.1799 +void XMLPrinter::PrintSpace( int depth )
  1.1800 +{
  1.1801 +    for( int i=0; i<depth; ++i ) {
  1.1802 +        Print( "    " );
  1.1803 +    }
  1.1804 +}
  1.1805 +
  1.1806 +
  1.1807 +void XMLPrinter::PrintString( const char* p, bool restricted )
  1.1808 +{
  1.1809 +    // Look for runs of bytes between entities to print.
  1.1810 +    const char* q = p;
  1.1811 +    const bool* flag = restricted ? _restrictedEntityFlag : _entityFlag;
  1.1812 +
  1.1813 +    if ( _processEntities ) {
  1.1814 +        while ( *q ) {
  1.1815 +            // Remember, char is sometimes signed. (How many times has that bitten me?)
  1.1816 +            if ( *q > 0 && *q < ENTITY_RANGE ) {
  1.1817 +                // Check for entities. If one is found, flush
  1.1818 +                // the stream up until the entity, write the
  1.1819 +                // entity, and keep looking.
  1.1820 +                if ( flag[(unsigned)(*q)] ) {
  1.1821 +                    while ( p < q ) {
  1.1822 +                        Print( "%c", *p );
  1.1823 +                        ++p;
  1.1824 +                    }
  1.1825 +                    for( int i=0; i<NUM_ENTITIES; ++i ) {
  1.1826 +                        if ( entities[i].value == *q ) {
  1.1827 +                            Print( "&%s;", entities[i].pattern );
  1.1828 +                            break;
  1.1829 +                        }
  1.1830 +                    }
  1.1831 +                    ++p;
  1.1832 +                }
  1.1833 +            }
  1.1834 +            ++q;
  1.1835 +        }
  1.1836 +    }
  1.1837 +    // Flush the remaining string. This will be the entire
  1.1838 +    // string if an entity wasn't found.
  1.1839 +    if ( !_processEntities || (q-p > 0) ) {
  1.1840 +        Print( "%s", p );
  1.1841 +    }
  1.1842 +}
  1.1843 +
  1.1844 +
  1.1845 +void XMLPrinter::PushHeader( bool writeBOM, bool writeDec )
  1.1846 +{
  1.1847 +    static const unsigned char bom[] = { TIXML_UTF_LEAD_0, TIXML_UTF_LEAD_1, TIXML_UTF_LEAD_2, 0 };
  1.1848 +    if ( writeBOM ) {
  1.1849 +        Print( "%s", bom );
  1.1850 +    }
  1.1851 +    if ( writeDec ) {
  1.1852 +        PushDeclaration( "xml version=\"1.0\"" );
  1.1853 +    }
  1.1854 +}
  1.1855 +
  1.1856 +
  1.1857 +void XMLPrinter::OpenElement( const char* name )
  1.1858 +{
  1.1859 +    if ( _elementJustOpened ) {
  1.1860 +        SealElement();
  1.1861 +    }
  1.1862 +    _stack.Push( name );
  1.1863 +
  1.1864 +    if ( _textDepth < 0 && !_firstElement && !_compactMode ) {
  1.1865 +        Print( "\n" );
  1.1866 +        PrintSpace( _depth );
  1.1867 +    }
  1.1868 +
  1.1869 +    Print( "<%s", name );
  1.1870 +    _elementJustOpened = true;
  1.1871 +    _firstElement = false;
  1.1872 +    ++_depth;
  1.1873 +}
  1.1874 +
  1.1875 +
  1.1876 +void XMLPrinter::PushAttribute( const char* name, const char* value )
  1.1877 +{
  1.1878 +    TIXMLASSERT( _elementJustOpened );
  1.1879 +    Print( " %s=\"", name );
  1.1880 +    PrintString( value, false );
  1.1881 +    Print( "\"" );
  1.1882 +}
  1.1883 +
  1.1884 +
  1.1885 +void XMLPrinter::PushAttribute( const char* name, int v )
  1.1886 +{
  1.1887 +    char buf[BUF_SIZE];
  1.1888 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1889 +    PushAttribute( name, buf );
  1.1890 +}
  1.1891 +
  1.1892 +
  1.1893 +void XMLPrinter::PushAttribute( const char* name, unsigned v )
  1.1894 +{
  1.1895 +    char buf[BUF_SIZE];
  1.1896 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1897 +    PushAttribute( name, buf );
  1.1898 +}
  1.1899 +
  1.1900 +
  1.1901 +void XMLPrinter::PushAttribute( const char* name, bool v )
  1.1902 +{
  1.1903 +    char buf[BUF_SIZE];
  1.1904 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1905 +    PushAttribute( name, buf );
  1.1906 +}
  1.1907 +
  1.1908 +
  1.1909 +void XMLPrinter::PushAttribute( const char* name, double v )
  1.1910 +{
  1.1911 +    char buf[BUF_SIZE];
  1.1912 +    XMLUtil::ToStr( v, buf, BUF_SIZE );
  1.1913 +    PushAttribute( name, buf );
  1.1914 +}
  1.1915 +
  1.1916 +
  1.1917 +void XMLPrinter::CloseElement()
  1.1918 +{
  1.1919 +    --_depth;
  1.1920 +    const char* name = _stack.Pop();
  1.1921 +
  1.1922 +    if ( _elementJustOpened ) {
  1.1923 +        Print( "/>" );
  1.1924 +    }
  1.1925 +    else {
  1.1926 +        if ( _textDepth < 0 && !_compactMode) {
  1.1927 +            Print( "\n" );
  1.1928 +            PrintSpace( _depth );
  1.1929 +        }
  1.1930 +        Print( "</%s>", name );
  1.1931 +    }
  1.1932 +
  1.1933 +    if ( _textDepth == _depth ) {
  1.1934 +        _textDepth = -1;
  1.1935 +    }
  1.1936 +    if ( _depth == 0 && !_compactMode) {
  1.1937 +        Print( "\n" );
  1.1938 +    }
  1.1939 +    _elementJustOpened = false;
  1.1940 +}
  1.1941 +
  1.1942 +
  1.1943 +void XMLPrinter::SealElement()
  1.1944 +{
  1.1945 +    _elementJustOpened = false;
  1.1946 +    Print( ">" );
  1.1947 +}
  1.1948 +
  1.1949 +
  1.1950 +void XMLPrinter::PushText( const char* text, bool cdata )
  1.1951 +{
  1.1952 +    _textDepth = _depth-1;
  1.1953 +
  1.1954 +    if ( _elementJustOpened ) {
  1.1955 +        SealElement();
  1.1956 +    }
  1.1957 +    if ( cdata ) {
  1.1958 +        Print( "<![CDATA[" );
  1.1959 +        Print( "%s", text );
  1.1960 +        Print( "]]>" );
  1.1961 +    }
  1.1962 +    else {
  1.1963 +        PrintString( text, true );
  1.1964 +    }
  1.1965 +}
  1.1966 +
  1.1967 +void XMLPrinter::PushText( int value )
  1.1968 +{
  1.1969 +    char buf[BUF_SIZE];
  1.1970 +    XMLUtil::ToStr( value, buf, BUF_SIZE );
  1.1971 +    PushText( buf, false );
  1.1972 +}
  1.1973 +
  1.1974 +
  1.1975 +void XMLPrinter::PushText( unsigned value )
  1.1976 +{
  1.1977 +    char buf[BUF_SIZE];
  1.1978 +    XMLUtil::ToStr( value, buf, BUF_SIZE );
  1.1979 +    PushText( buf, false );
  1.1980 +}
  1.1981 +
  1.1982 +
  1.1983 +void XMLPrinter::PushText( bool value )
  1.1984 +{
  1.1985 +    char buf[BUF_SIZE];
  1.1986 +    XMLUtil::ToStr( value, buf, BUF_SIZE );
  1.1987 +    PushText( buf, false );
  1.1988 +}
  1.1989 +
  1.1990 +
  1.1991 +void XMLPrinter::PushText( float value )
  1.1992 +{
  1.1993 +    char buf[BUF_SIZE];
  1.1994 +    XMLUtil::ToStr( value, buf, BUF_SIZE );
  1.1995 +    PushText( buf, false );
  1.1996 +}
  1.1997 +
  1.1998 +
  1.1999 +void XMLPrinter::PushText( double value )
  1.2000 +{
  1.2001 +    char buf[BUF_SIZE];
  1.2002 +    XMLUtil::ToStr( value, buf, BUF_SIZE );
  1.2003 +    PushText( buf, false );
  1.2004 +}
  1.2005 +
  1.2006 +
  1.2007 +void XMLPrinter::PushComment( const char* comment )
  1.2008 +{
  1.2009 +    if ( _elementJustOpened ) {
  1.2010 +        SealElement();
  1.2011 +    }
  1.2012 +    if ( _textDepth < 0 && !_firstElement && !_compactMode) {
  1.2013 +        Print( "\n" );
  1.2014 +        PrintSpace( _depth );
  1.2015 +    }
  1.2016 +    _firstElement = false;
  1.2017 +    Print( "<!--%s-->", comment );
  1.2018 +}
  1.2019 +
  1.2020 +
  1.2021 +void XMLPrinter::PushDeclaration( const char* value )
  1.2022 +{
  1.2023 +    if ( _elementJustOpened ) {
  1.2024 +        SealElement();
  1.2025 +    }
  1.2026 +    if ( _textDepth < 0 && !_firstElement && !_compactMode) {
  1.2027 +        Print( "\n" );
  1.2028 +        PrintSpace( _depth );
  1.2029 +    }
  1.2030 +    _firstElement = false;
  1.2031 +    Print( "<?%s?>", value );
  1.2032 +}
  1.2033 +
  1.2034 +
  1.2035 +void XMLPrinter::PushUnknown( const char* value )
  1.2036 +{
  1.2037 +    if ( _elementJustOpened ) {
  1.2038 +        SealElement();
  1.2039 +    }
  1.2040 +    if ( _textDepth < 0 && !_firstElement && !_compactMode) {
  1.2041 +        Print( "\n" );
  1.2042 +        PrintSpace( _depth );
  1.2043 +    }
  1.2044 +    _firstElement = false;
  1.2045 +    Print( "<!%s>", value );
  1.2046 +}
  1.2047 +
  1.2048 +
  1.2049 +bool XMLPrinter::VisitEnter( const XMLDocument& doc )
  1.2050 +{
  1.2051 +    _processEntities = doc.ProcessEntities();
  1.2052 +    if ( doc.HasBOM() ) {
  1.2053 +        PushHeader( true, false );
  1.2054 +    }
  1.2055 +    return true;
  1.2056 +}
  1.2057 +
  1.2058 +
  1.2059 +bool XMLPrinter::VisitEnter( const XMLElement& element, const XMLAttribute* attribute )
  1.2060 +{
  1.2061 +    OpenElement( element.Name() );
  1.2062 +    while ( attribute ) {
  1.2063 +        PushAttribute( attribute->Name(), attribute->Value() );
  1.2064 +        attribute = attribute->Next();
  1.2065 +    }
  1.2066 +    return true;
  1.2067 +}
  1.2068 +
  1.2069 +
  1.2070 +bool XMLPrinter::VisitExit( const XMLElement& )
  1.2071 +{
  1.2072 +    CloseElement();
  1.2073 +    return true;
  1.2074 +}
  1.2075 +
  1.2076 +
  1.2077 +bool XMLPrinter::Visit( const XMLText& text )
  1.2078 +{
  1.2079 +    PushText( text.Value(), text.CData() );
  1.2080 +    return true;
  1.2081 +}
  1.2082 +
  1.2083 +
  1.2084 +bool XMLPrinter::Visit( const XMLComment& comment )
  1.2085 +{
  1.2086 +    PushComment( comment.Value() );
  1.2087 +    return true;
  1.2088 +}
  1.2089 +
  1.2090 +bool XMLPrinter::Visit( const XMLDeclaration& declaration )
  1.2091 +{
  1.2092 +    PushDeclaration( declaration.Value() );
  1.2093 +    return true;
  1.2094 +}
  1.2095 +
  1.2096 +
  1.2097 +bool XMLPrinter::Visit( const XMLUnknown& unknown )
  1.2098 +{
  1.2099 +    PushUnknown( unknown.Value() );
  1.2100 +    return true;
  1.2101 +}
  1.2102 +
  1.2103 +}   // namespace tinyxml2
  1.2104 +