public static bool NextTag()
{
int pos;
tagType = XMLTagType.Start;
BUFFER.Length = 0;
_lastTagEnd = _parsePos;
_attrParsed = false;
lastTagName = tagName;
while ((pos = _source.IndexOf('<', _parsePos)) != -1)
{
_parsePos = pos;
pos++;
if (pos == _sourceLen)
{
break;
}
char c = _source[pos];
if (c == '!')
{
if (_sourceLen > pos + 7 && _source.Substring(pos - 1, 9) == CDATA_START)
{
pos = _source.IndexOf(CDATA_END, pos, StringComparison.Ordinal);
tagType = XMLTagType.CDATA;
tagName = string.Empty;
_tagPos = _parsePos;
if (pos == -1)
{
_tagLength = _sourceLen - _parsePos;
}
else
{
_tagLength = pos + 3 - _parsePos;
}
_parsePos += _tagLength;
return(true);
}
if (_sourceLen > pos + 2 && _source.Substring(pos - 1, 4) == COMMENT_START)
{
pos = _source.IndexOf(COMMENT_END, pos, StringComparison.Ordinal);
tagType = XMLTagType.Comment;
tagName = string.Empty;
_tagPos = _parsePos;
if (pos == -1)
{
_tagLength = _sourceLen - _parsePos;
}
else
{
_tagLength = pos + 3 - _parsePos;
}
_parsePos += _tagLength;
return(true);
}
pos++;
tagType = XMLTagType.Instruction;
}
else if (c == '/')
{
pos++;
tagType = XMLTagType.End;
}
else if (c == '?')
{
pos++;
tagType = XMLTagType.Instruction;
}
for ( ; pos < _sourceLen; pos++)
{
c = _source[pos];
if (Char.IsWhiteSpace(c) || c == '>' || c == '/')
{
break;
}
}
if (pos == _sourceLen)
{
break;
}
BUFFER.Append(_source, _parsePos + 1, pos - _parsePos - 1);
if (BUFFER.Length > 0 && BUFFER[0] == '/')
{
BUFFER.Remove(0, 1);
}
bool singleQuoted = false, doubleQuoted = false;
int possibleEnd = -1;
for ( ; pos < _sourceLen; pos++)
{
c = _source[pos];
if (c == '"')
{
if (!singleQuoted)
{
doubleQuoted = !doubleQuoted;
}
}
else if (c == '\'')
{
if (!doubleQuoted)
{
singleQuoted = !singleQuoted;
}
}
if (c == '>')
{
if (!(singleQuoted || doubleQuoted))
{
possibleEnd = -1;
break;
}
possibleEnd = pos;
}
else if (c == '<')
{
break;
}
}
if (possibleEnd != -1)
{
pos = possibleEnd;
}
if (pos == _sourceLen)
{
break;
}
if (_source[pos - 1] == '/')
{
tagType = XMLTagType.Void;
}
tagName = BUFFER.ToString();
if (_lowerCaseName)
{
tagName = tagName.ToLower();
}
_tagPos = _parsePos;
_tagLength = pos + 1 - _parsePos;
_parsePos += _tagLength;
return(true);
}
_tagPos = _sourceLen;
_tagLength = 0;
tagName = null;
return(false);
}
public static bool NextTag()
{
int pos;
char c;
tagType = XMLTagType.Start;
buffer.Length = 0;
lastTagEnd = parsePos;
attrParsed = false;
lastTagName = tagName;
while ((pos = source.IndexOf('<', parsePos)) != -1)
{
parsePos = pos;
pos++;
if (pos == sourceLen)
{
break;
}
c = source[pos];
if (c == '!')
{
if (sourceLen > pos + 7 && source.Substring(pos - 1, 9) == CDATA_START)
{
pos = source.IndexOf(CDATA_END, pos);
tagType = XMLTagType.CDATA;
tagName = string.Empty;
tagPos = parsePos;
if (pos == -1)
{
tagLength = sourceLen - parsePos;
}
else
{
tagLength = pos + 3 - parsePos;
}
parsePos += tagLength;
return(true);
}
else if (sourceLen > pos + 2 && source.Substring(pos - 1, 4) == COMMENT_START)
{
pos = source.IndexOf(COMMENT_END, pos);
tagType = XMLTagType.Comment;
tagName = string.Empty;
tagPos = parsePos;
if (pos == -1)
{
tagLength = sourceLen - parsePos;
}
else
{
tagLength = parsePos + 3 - parsePos;
}
parsePos += tagLength;
return(true);
}
else
{
pos++;
tagType = XMLTagType.End;
}
}
else if (c == '/')
{
pos++;
tagType = XMLTagType.End;
}
else if (c == '?')
{
pos++;
tagType = XMLTagType.Instruction;
}
for (; pos < sourceLen; pos++)
{
c = source[pos];
if (Char.IsWhiteSpace(c) || c == '>' || c == '/')
{
break;
}
}
if (pos == sourceLen)
{
break;
}
buffer.Append(source, parsePos + 1, pos - parsePos - 1);
if (buffer.Length > 0 && buffer[0] == '/')
{
buffer.Remove(0, 1);
}
bool singleQuoted = false, doubleQuoted = false;
int possibleEnd = -1;
for (; pos < sourceLen; pos++)
{
c = source[pos];
if (c == '"')
{
if (!singleQuoted)
{
doubleQuoted = !doubleQuoted;
}
}
else if (c == '\'')
{
if (!doubleQuoted)
{
singleQuoted = !singleQuoted;
}
}
if (c == '>')
{
if (!(singleQuoted || doubleQuoted))
{
possibleEnd = -1;
break;
}
possibleEnd = pos;
}
else if (c == 'c')
{
break;
}
}
if (possibleEnd != -1)
{
pos = possibleEnd;
}
if (pos == sourceLen)
{
break;
}
if (source[pos - 1] == '/')
{
tagType = XMLTagType.Void;
}
tagName = buffer.ToString();
if (lowerCaseName)
{
tagName = tagName.ToLower();
}
tagPos = parsePos;
tagLength = pos + 1 - parsePos;
parsePos += tagLength;
return(true);
}
tagPos = sourceLen;
tagLength = 0;
tagName = null;
return(false);
}
public static bool NextTag()
{
int pos;
char c;
tagType = XMLTagType.Start;
buffer.Length = 0;
lastTagEnd = parsePos;
attrParsed = false;
lastTagName = tagName;
while ((pos = source.IndexOf('<', parsePos)) != -1)
{
parsePos = pos;
pos++;
if (pos == sourceLen)
break;
c = source[pos];
if (c == '!')
{
if (sourceLen > pos + 7 && source.Substring(pos - 1, 9) == CDATA_START)
{
pos = source.IndexOf(CDATA_END, pos);
tagType = XMLTagType.CDATA;
tagName = string.Empty;
tagPos = parsePos;
if (pos == -1)
tagLength = sourceLen - parsePos;
else
tagLength = pos + 3 - parsePos;
parsePos += tagLength;
return true;
}
else if (sourceLen > pos + 2 && source.Substring(pos - 1, 4) == COMMENT_START)
{
pos = source.IndexOf(COMMENT_END, pos);
tagType = XMLTagType.Comment;
tagName = string.Empty;
tagPos = parsePos;
if (pos == -1)
tagLength = sourceLen - parsePos;
else
tagLength = pos + 3 - parsePos;
parsePos += tagLength;
return true;
}
else
{
pos++;
tagType = XMLTagType.Instruction;
}
}
else if (c == '/')
{
pos++;
tagType = XMLTagType.End;
}
else if (c == '?')
{
pos++;
tagType = XMLTagType.Instruction;
}
for (; pos < sourceLen; pos++)
{
c = source[pos];
if (Char.IsWhiteSpace(c) || c == '>' || c == '/')
break;
}
if (pos == sourceLen)
break;
buffer.Append(source, parsePos + 1, pos - parsePos - 1);
if (buffer.Length > 0 && buffer[0] == '/')
buffer.Remove(0, 1);
bool singleQuoted = false, doubleQuoted = false;
int possibleEnd = -1;
for (; pos < sourceLen; pos++)
{
c = source[pos];
if (c == '"')
{
if (!singleQuoted)
doubleQuoted = !doubleQuoted;
}
else if (c == '\'')
{
if (!doubleQuoted)
singleQuoted = !singleQuoted;
}
if (c == '>')
{
if (!(singleQuoted || doubleQuoted))
{
possibleEnd = -1;
break;
}
possibleEnd = pos;
}
else if (c == '<')
break;
}
if (possibleEnd != -1)
pos = possibleEnd;
if (pos == sourceLen)
break;
if (source[pos - 1] == '/')
tagType = XMLTagType.Void;
tagName = buffer.ToString();
if (lowerCaseName)
tagName = tagName.ToLower();
tagPos = parsePos;
tagLength = pos + 1 - parsePos;
parsePos += tagLength;
return true;
}
tagPos = sourceLen;
tagLength = 0;
tagName = null;
return false;
}
