/*
* 检查是否是空白符
*/
internal void EatWhiteSpaceForRegex()
{
char c;
while (reader.NEof())
{
c = reader.CurrChar();
if (HtmlConst.IsWhiteSpaceWithoutlineBreak(c))
{
reader.IncPos();
continue;
}
return;
}
}
/// <summary>
/// 格式化正则
/// </summary>
internal void FormatterRegex()
{
char c = HtmlConst.CHEMPTY;
int pos = reader.pos - 1;
//正则必须在一行，如果换行则必须欺骗回溯
while (reader.NEof())
{
c = reader.CurrChar();
switch (c)
{
case HtmlConst.CHCL:
goto LABEL_CHECK;
case HtmlConst.CHTCL:
reader.IncPosTwice();
continue;
case HtmlConst.CHLB:
case HtmlConst.CHNL:
goto LABEL_TRICK;
default:
break;
}
reader.IncPos();
}
LABEL_CHECK:
if (reader.NEofWithInc())
{
reader.IncPos();
do
{
c = reader.CurrChar();
if (HtmlConst.IsWhiteSpaceWithoutlineBreak(c) || (c == 'g' || c == 'i' || c == 'm'))
{
reader.IncPos();
continue;
}
break;
} while (reader.NEof());
}
switch (c)
{
case '.':
case ',':
case '|':
case '&':
case '!':
case '=':
case '\r':
case '\n':
case ')':
return;
case '<':
if (reader.NextChar() == '/')
{
reader.minPos();
return;
}
break;
default:
break;
}
//欺骗回溯
LABEL_TRICK:
reader.pos = pos;
return;
}