exml/exml/Comment.cpp

74 lines
1.7 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#include <exml/Comment.h>
#include <exml/debug.h>
#include <exml/Document.h>
#undef __class__
#define __class__ "Comment"
static bool isWhiteChar(char32_t _val) {
if( _val == ' '
|| _val == '\t'
|| _val == '\n'
|| _val == '\r') {
return true;
}
return false;
}
bool exml::Comment::iParse(const std::string& _data, int32_t& _pos, bool _caseSensitive, exml::filePos& _filePos, exml::Document& _doc) {
EXML_VERBOSE("start parse : 'comment'");
m_pos = _filePos;
exml::filePos tmpPos;
int32_t white = countWhiteChar(_data, _pos, tmpPos);
_filePos += tmpPos;
// search end of the comment :
for (size_t iii=_pos+white; iii+2<_data.size(); iii++) {
#ifdef ENABLE_DISPLAY_PARSED_ELEMENT
drawElementParsed(_data[iii], _filePos);
#endif
if (_filePos.check(_data[iii]) == true) {
continue;
}
if( _data[iii] == '-'
&& _data[iii+1] == '-'
&& _data[iii+2] == '>') {
_filePos += 2;
// search whitespace :
int32_t newEnd=iii;
for( int32_t jjj=iii-1; jjj>_pos; jjj--) {
if(true == isWhiteChar(_data[jjj])) {
newEnd = jjj;
} else {
break;
}
}
// find end of value:
m_value = std::string(_data, _pos+white, newEnd-(_pos+white));
EXML_VERBOSE(" find comment '" << m_value << "'");
_pos = iii+2;
return true;
}
}
_pos = _data.size();
CREATE_ERROR(_doc, _data, _pos, _filePos, "comment got end of file without finding end node");
return false;
}
bool exml::Comment::iGenerate(std::string& _data, int32_t _indent) const {
addIndent(_data, _indent);
_data += "<!--";
_data += m_value;
_data += "-->\n";
return true;
}