801 lines
21 KiB
C++
801 lines
21 KiB
C++
|
/*
|
||
|
|
Copyright (c) 2004-2009 by Jakob Schroeter <js@camaya.net>
|
||
|
|
This file is part of the gloox library. http://camaya.net/gloox
|
||
|
|
|
||
|
|
This software is distributed under a license. The full license
|
||
|
|
agreement can be found in the file LICENSE in this distribution.
|
||
|
|
This software may not be copied, modified, sold or distributed
|
||
|
|
other than expressed in the named license agreement.
|
||
|
|
|
||
|
|
This software is distributed without any warranty.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "gloox.h"
|
||
|
|
#include "util.h"
|
||
|
|
#include "parser.h"
|
||
|
|
|
||
|
|
#include <cstdlib>
|
||
|
|
|
||
|
|
namespace gloox
|
||
|
|
{
|
||
|
|
|
||
|
|
Parser::Parser( TagHandler* ph, bool deleteRoot )
|
||
|
|
: m_tagHandler( ph ), m_current( 0 ), m_root( 0 ), m_xmlnss( 0 ), m_state( Initial ),
|
||
|
|
m_preamble( 0 ), m_quote( false ), m_haveTagPrefix( false ), m_haveAttribPrefix( false ),
|
||
|
|
m_attribIsXmlns( false ), m_deleteRoot( deleteRoot )
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
Parser::~Parser()
|
||
|
|
{
|
||
|
|
delete m_root;
|
||
|
|
delete m_xmlnss;
|
||
|
|
}
|
||
|
|
|
||
|
|
Parser::DecodeState Parser::decode( std::string::size_type& pos, const std::string& data )
|
||
|
|
{
|
||
|
|
std::string::size_type p = data.find( ';', pos );
|
||
|
|
std::string::size_type diff = p - pos;
|
||
|
|
|
||
|
|
if( p == std::string::npos )
|
||
|
|
{
|
||
|
|
m_backBuffer = data.substr( pos );
|
||
|
|
return DecodeInsufficient;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( diff < 3 || diff > 9 )
|
||
|
|
return DecodeInvalid;
|
||
|
|
|
||
|
|
std::string rep;
|
||
|
|
switch( data[pos + 1] )
|
||
|
|
{
|
||
|
|
case '#':
|
||
|
|
{
|
||
|
|
int base = 10;
|
||
|
|
int idx = 2;
|
||
|
|
|
||
|
|
if( data[pos + 2] == 'x' || data[pos + 2] == 'X' )
|
||
|
|
{
|
||
|
|
base = 16;
|
||
|
|
idx = 3;
|
||
|
|
}
|
||
|
|
|
||
|
|
char* end;
|
||
|
|
const long int val = std::strtol( data.data() + pos + idx, &end, base );
|
||
|
|
if( *end != ';' || val < 0 )
|
||
|
|
return DecodeInvalid;
|
||
|
|
|
||
|
|
if( val == 0x9 || val == 0xA || val == 0xD || ( val >= 0x20 && val <= 0x7F ) )
|
||
|
|
{
|
||
|
|
rep += char( val );
|
||
|
|
}
|
||
|
|
else if( val >= 0x80 && val <= 0x7FF )
|
||
|
|
{
|
||
|
|
rep += char( 192 + ( val >> 6 ) );
|
||
|
|
rep += char( 128 + ( val % 64 ) );
|
||
|
|
}
|
||
|
|
else if( ( val >= 0x800 && val <= 0xD7FF ) || ( val >= 0xE000 && val <= 0xFFFD ) )
|
||
|
|
{
|
||
|
|
rep += char( 224 + ( val >> 12 ) );
|
||
|
|
rep += char( 128 + ( ( val >> 6 ) % 64 ) );
|
||
|
|
rep += char( 128 + ( val % 64 ) );
|
||
|
|
}
|
||
|
|
else if( val >= 0x100000 && val < 0x10FFFF )
|
||
|
|
{
|
||
|
|
rep += char( 240 + ( val >> 18 ) );
|
||
|
|
rep += char( 128 + ( ( val >> 12 ) % 64 ) );
|
||
|
|
rep += char( 128 + ( ( val >> 6 ) % 64 ) );
|
||
|
|
rep += char( 128 + ( val % 64 ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return DecodeInvalid;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'l':
|
||
|
|
if( diff == 3 && data[pos + 2] == 't' )
|
||
|
|
rep += '<';
|
||
|
|
else
|
||
|
|
return DecodeInvalid;
|
||
|
|
break;
|
||
|
|
case 'g':
|
||
|
|
if( diff == 3 && data[pos + 2] == 't' )
|
||
|
|
rep += '>';
|
||
|
|
else
|
||
|
|
return DecodeInvalid;
|
||
|
|
break;
|
||
|
|
case 'a':
|
||
|
|
if( diff == 5 && !data.compare( pos + 1, 5, "apos;" ) )
|
||
|
|
rep += '\'';
|
||
|
|
else if( diff == 4 && !data.compare( pos + 1, 4, "amp;" ) )
|
||
|
|
rep += '&';
|
||
|
|
else
|
||
|
|
return DecodeInvalid;
|
||
|
|
break;
|
||
|
|
case 'q':
|
||
|
|
if( diff == 5 && !data.compare( pos + 1, 5, "quot;" ) )
|
||
|
|
rep += '"';
|
||
|
|
else
|
||
|
|
return DecodeInvalid;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return DecodeInvalid;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( m_state )
|
||
|
|
{
|
||
|
|
case TagInside:
|
||
|
|
m_cdata += rep;
|
||
|
|
break;
|
||
|
|
case TagAttributeValue:
|
||
|
|
m_value += rep;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
pos += diff;
|
||
|
|
return DecodeValid;
|
||
|
|
}
|
||
|
|
|
||
|
|
Parser::ForwardScanState Parser::forwardScan( std::string::size_type& pos, const std::string& data,
|
||
|
|
const std::string& needle )
|
||
|
|
{
|
||
|
|
if( pos + needle.length() <= data.length() )
|
||
|
|
{
|
||
|
|
if( !data.compare( pos, needle.length(), needle ) )
|
||
|
|
{
|
||
|
|
pos += needle.length() - 1;
|
||
|
|
return ForwardFound;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return ForwardNotFound;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_backBuffer = data.substr( pos );
|
||
|
|
return ForwardInsufficientSize;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int Parser::feed( std::string& data )
|
||
|
|
{
|
||
|
|
if( !m_backBuffer.empty() )
|
||
|
|
{
|
||
|
|
data.insert( 0, m_backBuffer );
|
||
|
|
m_backBuffer = EmptyString;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string::size_type count = data.length();
|
||
|
|
for( std::string::size_type i = 0; i < count; ++i )
|
||
|
|
{
|
||
|
|
const unsigned char c = data[i];
|
||
|
|
// printf( "found char: %c, ", c );
|
||
|
|
|
||
|
|
if( !isValid( c ) )
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( m_state )
|
||
|
|
{
|
||
|
|
case Initial:
|
||
|
|
// printf( "Initial: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
m_state = TagOpening;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case InterTag:
|
||
|
|
// printf( "InterTag: %c\n", c );
|
||
|
|
m_tag = EmptyString;
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
m_state = TagOpening;
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
default:
|
||
|
|
if( m_current )
|
||
|
|
{
|
||
|
|
m_cdata += c;
|
||
|
|
m_state = TagInside;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagOpening: // opening '<' has been found before
|
||
|
|
// printf( "TagOpening: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
case '>':
|
||
|
|
case '&':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case '/':
|
||
|
|
m_state = TagClosingSlash;
|
||
|
|
break;
|
||
|
|
case '?':
|
||
|
|
m_state = TagNameCollect;
|
||
|
|
m_preamble = 1;
|
||
|
|
break;
|
||
|
|
case '!':
|
||
|
|
switch( forwardScan( i, data, "![CDATA[" ) )
|
||
|
|
{
|
||
|
|
case ForwardFound:
|
||
|
|
m_state = TagCDATASection;
|
||
|
|
break;
|
||
|
|
case ForwardNotFound:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
case ForwardInsufficientSize:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_tag += c;
|
||
|
|
m_state = TagNameCollect;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagCDATASection:
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case ']':
|
||
|
|
switch( forwardScan( i, data, "]]>" ) )
|
||
|
|
{
|
||
|
|
case ForwardFound:
|
||
|
|
m_state = TagInside;
|
||
|
|
break;
|
||
|
|
case ForwardNotFound:
|
||
|
|
m_cdata += c;
|
||
|
|
break;
|
||
|
|
case ForwardInsufficientSize:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_cdata += c;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagNameCollect: // we're collecting the tag's name, we have at least one octet already
|
||
|
|
// printf( "TagNameCollect: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
{
|
||
|
|
m_state = TagNameComplete;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
case '?':
|
||
|
|
case '!':
|
||
|
|
case '&':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case '/':
|
||
|
|
m_state = TagOpeningSlash;
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
addTag();
|
||
|
|
m_state = TagInside;
|
||
|
|
break;
|
||
|
|
case ':':
|
||
|
|
if( !m_haveTagPrefix )
|
||
|
|
{
|
||
|
|
m_haveTagPrefix = true;
|
||
|
|
m_tagPrefix = m_tag;
|
||
|
|
m_tag = EmptyString;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_tag += c;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagInside: // we're inside a tag, expecting a child tag or cdata
|
||
|
|
// printf( "TagInside: %c\n", c );
|
||
|
|
m_tag = EmptyString;
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
addCData();
|
||
|
|
m_state = TagOpening;
|
||
|
|
break;
|
||
|
|
case '&':
|
||
|
|
// printf( "TagInside, calling decode\n" );
|
||
|
|
switch( decode( i, data ) )
|
||
|
|
{
|
||
|
|
case DecodeValid:
|
||
|
|
break;
|
||
|
|
case DecodeInvalid:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
case DecodeInsufficient:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_cdata += c;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagOpeningSlash: // a slash in an opening tag has been found, initing close of the tag
|
||
|
|
// printf( "TagOpeningSlash: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
if( c == '>' )
|
||
|
|
{
|
||
|
|
addTag();
|
||
|
|
if( !closeTag() )
|
||
|
|
{
|
||
|
|
// printf( "noipe, here\n" );
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
|
||
|
|
m_state = InterTag;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagClosingSlash: // we have found the '/' of a closing tag
|
||
|
|
// printf( "TagClosingSlash: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '>':
|
||
|
|
case '<':
|
||
|
|
case '/':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_tag += c;
|
||
|
|
m_state = TagClosing;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagClosing: // we're collecting the name of a closing tag
|
||
|
|
// printf( "TagClosing: %c\n", c );
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
case '/':
|
||
|
|
case '!':
|
||
|
|
case '?':
|
||
|
|
case '&':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case ':':
|
||
|
|
if( !m_haveTagPrefix )
|
||
|
|
{
|
||
|
|
m_haveTagPrefix = true;
|
||
|
|
m_tagPrefix = m_tag;
|
||
|
|
m_tag = EmptyString;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
if( !closeTag() )
|
||
|
|
{
|
||
|
|
// printf( "here\n" );
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
m_state = InterTag;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_tag += c;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagNameComplete: // a tag name is complete, expect tag close or attribs
|
||
|
|
// printf( "TagNameComplete: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
case '!':
|
||
|
|
case '&':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case '/':
|
||
|
|
m_state = TagOpeningSlash;
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
if( m_preamble == 1 )
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
m_state = TagInside;
|
||
|
|
addTag();
|
||
|
|
break;
|
||
|
|
case '?':
|
||
|
|
if( m_preamble == 1 )
|
||
|
|
m_preamble = 2;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_attrib += c;
|
||
|
|
m_state = TagAttribute;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagAttribute: // we're collecting the name of an attribute, we have at least 1 octet
|
||
|
|
// printf( "TagAttribute: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
{
|
||
|
|
m_state = TagAttributeComplete;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
case '/':
|
||
|
|
case '>':
|
||
|
|
case '?':
|
||
|
|
case '!':
|
||
|
|
case '&':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case '=':
|
||
|
|
m_state = TagAttributeEqual;
|
||
|
|
break;
|
||
|
|
case ':':
|
||
|
|
if( !m_haveAttribPrefix && m_attrib != XMLNS )
|
||
|
|
{
|
||
|
|
m_haveAttribPrefix = true;
|
||
|
|
m_attribPrefix = m_attrib;
|
||
|
|
m_attrib = EmptyString;
|
||
|
|
}
|
||
|
|
else if( m_attrib == XMLNS )
|
||
|
|
{
|
||
|
|
m_attribIsXmlns = true;
|
||
|
|
m_attrib = EmptyString;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
m_attrib += c;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagAttributeComplete: // we're expecting an equals sign or ws
|
||
|
|
// printf( "TagAttributeComplete: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '=':
|
||
|
|
m_state = TagAttributeEqual;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagAttributeEqual: // we have found an equals sign
|
||
|
|
// printf( "TagAttributeEqual: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '"':
|
||
|
|
m_quote = true;
|
||
|
|
case '\'':
|
||
|
|
m_state = TagAttributeValue;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagAttributeValue: // we're expecting value data
|
||
|
|
// printf( "TagValue: %c\n", c );
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '<':
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
case '\'':
|
||
|
|
if( m_quote )
|
||
|
|
{
|
||
|
|
m_value += c;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case '"':
|
||
|
|
addAttribute();
|
||
|
|
m_state = TagNameAlmostComplete;
|
||
|
|
m_quote = false;
|
||
|
|
break;
|
||
|
|
case '&':
|
||
|
|
// printf( "TagAttributeValue, calling decode\n" );
|
||
|
|
switch( decode( i, data ) )
|
||
|
|
{
|
||
|
|
case DecodeValid:
|
||
|
|
break;
|
||
|
|
case DecodeInvalid:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
case DecodeInsufficient:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
default:
|
||
|
|
m_value += c;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TagNameAlmostComplete:
|
||
|
|
// printf( "TagAttributeEqual: %c\n", c );
|
||
|
|
if( isWhitespace( c ) )
|
||
|
|
{
|
||
|
|
m_state = TagNameComplete;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( c )
|
||
|
|
{
|
||
|
|
case '/':
|
||
|
|
m_state = TagOpeningSlash;
|
||
|
|
break;
|
||
|
|
case '>':
|
||
|
|
if( m_preamble == 1 )
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
m_state = TagInside;
|
||
|
|
addTag();
|
||
|
|
break;
|
||
|
|
case '?':
|
||
|
|
if( m_preamble == 1 )
|
||
|
|
m_preamble = 2;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
cleanup();
|
||
|
|
return static_cast<int>( i );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
// printf( "default action!?\n" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// printf( "parser state: %d\n", m_state );
|
||
|
|
}
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Parser::addTag()
|
||
|
|
{
|
||
|
|
if( !m_root )
|
||
|
|
{
|
||
|
|
// printf( "created Tag named %s, ", m_tag.c_str() );
|
||
|
|
m_root = new Tag( m_tag );
|
||
|
|
m_current = m_root;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// printf( "created Tag named %s, ", m_tag.c_str() );
|
||
|
|
m_current = new Tag( m_current, m_tag );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( m_haveTagPrefix )
|
||
|
|
{
|
||
|
|
// printf( "setting tag prefix: %s\n", m_tagPrefix.c_str() );
|
||
|
|
m_current->setPrefix( m_tagPrefix );
|
||
|
|
m_haveTagPrefix = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( m_attribs.size() )
|
||
|
|
{
|
||
|
|
m_current->setAttributes( m_attribs );
|
||
|
|
// printf( "added %d attributes, ", m_attribs.size() );
|
||
|
|
m_attribs.clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
if( m_xmlnss )
|
||
|
|
{
|
||
|
|
// printf( "have ns decls\n" );
|
||
|
|
// StringMap::const_iterator it = m_xmlnss->begin();
|
||
|
|
// for( ; it != m_xmlnss->end(); ++it )
|
||
|
|
// printf( "%s='%s'\n", (*it).first.c_str(), (*it).second.c_str() );
|
||
|
|
m_current->setXmlns( m_xmlnss );
|
||
|
|
m_xmlnss = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
m_current->setXmlns( m_xmlns );
|
||
|
|
m_xmlns = EmptyString;
|
||
|
|
|
||
|
|
if( m_tag == "stream" && m_root->xmlns() == XMLNS_STREAM )
|
||
|
|
{
|
||
|
|
streamEvent( m_root );
|
||
|
|
cleanup( m_deleteRoot );
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// else
|
||
|
|
// printf( "%s, ", m_root->xml().c_str() );
|
||
|
|
|
||
|
|
if( m_root && m_root == m_current && m_tagPrefix == "stream" )
|
||
|
|
m_root->setXmlns( XMLNS_STREAM, m_tagPrefix );
|
||
|
|
|
||
|
|
if( m_tag == "xml" && m_preamble == 2 )
|
||
|
|
cleanup();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Parser::addAttribute()
|
||
|
|
{
|
||
|
|
Tag::Attribute* attr = new Tag::Attribute( m_attrib, m_value );;
|
||
|
|
if( m_attribIsXmlns )
|
||
|
|
{
|
||
|
|
if( !m_xmlnss )
|
||
|
|
m_xmlnss = new StringMap();
|
||
|
|
|
||
|
|
(*m_xmlnss)[m_attrib] = m_value;
|
||
|
|
attr->setPrefix( XMLNS );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// printf( "adding attribute: %s:%s='%s'\n", m_attribPrefix.c_str(), m_attrib.c_str(), m_value.c_str() );
|
||
|
|
if( !m_attribPrefix.empty() )
|
||
|
|
attr->setPrefix( m_attribPrefix );
|
||
|
|
if( m_attrib == XMLNS )
|
||
|
|
m_xmlns = m_value;
|
||
|
|
}
|
||
|
|
m_attribs.push_back( attr );
|
||
|
|
m_attrib = EmptyString;
|
||
|
|
m_value = EmptyString;
|
||
|
|
m_attribPrefix = EmptyString;
|
||
|
|
m_haveAttribPrefix = false;
|
||
|
|
m_attribIsXmlns = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Parser::addCData()
|
||
|
|
{
|
||
|
|
if( m_current && !m_cdata.empty() )
|
||
|
|
{
|
||
|
|
m_current->addCData( m_cdata );
|
||
|
|
// printf( "added cdata %s to %s: %s\n",
|
||
|
|
// m_cdata.c_str(), m_current->name().c_str(), m_current->xml().c_str() );
|
||
|
|
m_cdata = EmptyString;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Parser::closeTag()
|
||
|
|
{
|
||
|
|
// printf( "about to close, " );
|
||
|
|
|
||
|
|
if( m_tag == "stream" && m_tagPrefix == "stream" )
|
||
|
|
return true;
|
||
|
|
|
||
|
|
if( !m_current || m_current->name() != m_tag
|
||
|
|
|| ( !m_current->prefix().empty() && m_current->prefix() != m_tagPrefix ) )
|
||
|
|
{
|
||
|
|
// printf( "current xml: %s\n", m_current->xml().c_str() );
|
||
|
|
// printf( "current name: %s, m_tag: %s\n", m_current->name().c_str(), m_tag.c_str() );
|
||
|
|
// printf( "current prefix: %s, m_tagPrefix: %s\n", m_current->prefix().c_str(), m_tagPrefix.c_str() );
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// printf( "m_current: %s, ", m_current->name().c_str() );
|
||
|
|
// printf( "m_tag: %s, ", m_tag.c_str() );
|
||
|
|
|
||
|
|
m_tagPrefix = EmptyString;
|
||
|
|
m_haveTagPrefix = false;
|
||
|
|
|
||
|
|
if( m_current->parent() )
|
||
|
|
m_current = m_current->parent();
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// printf( "pushing upstream\n" );
|
||
|
|
streamEvent( m_root );
|
||
|
|
cleanup( m_deleteRoot );
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Parser::cleanup( bool deleteRoot )
|
||
|
|
{
|
||
|
|
if( deleteRoot )
|
||
|
|
delete m_root;
|
||
|
|
m_root = 0;
|
||
|
|
m_current = 0;
|
||
|
|
delete m_xmlnss;
|
||
|
|
m_xmlnss = 0;
|
||
|
|
m_cdata = EmptyString;
|
||
|
|
m_tag = EmptyString;
|
||
|
|
m_attrib = EmptyString;
|
||
|
|
m_attribPrefix = EmptyString;
|
||
|
|
m_tagPrefix = EmptyString;
|
||
|
|
m_haveAttribPrefix = false;
|
||
|
|
m_haveTagPrefix = false;
|
||
|
|
m_value = EmptyString;
|
||
|
|
m_xmlns = EmptyString;
|
||
|
|
util::clearList( m_attribs );
|
||
|
|
m_attribs.clear();
|
||
|
|
m_state = Initial;
|
||
|
|
m_preamble = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Parser::isValid( unsigned char c )
|
||
|
|
{
|
||
|
|
return ( c != 0xc0 || c != 0xc1 || c < 0xf5 );
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Parser::isWhitespace( unsigned char c )
|
||
|
|
{
|
||
|
|
return ( c == 0x09 || c == 0x0a || c == 0x0d || c == 0x20 );
|
||
|
|
}
|
||
|
|
|
||
|
|
void Parser::streamEvent( Tag* tag )
|
||
|
|
{
|
||
|
|
if( m_tagHandler )
|
||
|
|
m_tagHandler->handleTag( tag );
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|