bool wxHtmlSearchEngine::Scan(const wxFSFile& file)
{
wxASSERT_MSG(!m_Keyword.empty(), wxT("wxHtmlSearchEngine::LookFor must be called before scanning!"));
wxHtmlFilterHTML filter;
wxString bufStr = filter.ReadFile(file);
if (!m_CaseSensitive)
bufStr.LowerCase();
{ // remove html tags
wxString bufStrCopy;
bufStrCopy.reserve( bufStr.size() );
bool insideTag = false;
for (const wxChar * pBufStr = bufStr.c_str(); *pBufStr; ++pBufStr)
{
wxChar c = *pBufStr;
if (insideTag)
{
if (c == wxT('>'))
{
insideTag = false;
// replace the tag by an empty space
c = wxT(' ');
}
else
continue;
}
else if (c == wxT('<'))
{
wxChar nextCh = *(pBufStr + 1);
if (nextCh == wxT('/') || !WHITESPACE(nextCh))
{
insideTag = true;
continue;
}
}
bufStrCopy += c;
}
bufStr.swap( bufStrCopy );
}
wxString keyword = m_Keyword;
if (m_WholeWords)
{
// insert ' ' at the beginning and at the end
keyword.insert( 0, wxT(" ") );
keyword.append( wxT(" ") );
bufStr.insert( 0, wxT(" ") );
bufStr.append( wxT(" ") );
}
// remove continuous spaces
keyword = CompressSpaces( keyword );
bufStr = CompressSpaces( bufStr );
// finally do the search
return bufStr.find( keyword ) != wxString::npos;
}
unsigned int ClearTextFromHTMLTags(struct word_collection * acol,char * text,unsigned int *textsize)
{
// unsigned int start_text_size = textsize;
unsigned int ptr = 0;
unsigned int token = 666; // <- GIA NA MPEI STO PRWTO WHILE LOOP!
unsigned int token2 = 0;
unsigned int i;
printf("ClearTextFromHTMLTags \n");
if ( TextPointerError(text,textsize) ) { return 0; }
if ( text[0]=='<' )
{
printf("Bug with unsigned ints :P , sloppy fix \n");
text[0]=' ',text[1]='<';
}
while ( token > 0 )
{
token = FindFirstInstanceOfChar(ptr,text,'<',*textsize);
if ( token != 0 ) { ptr = token; }
if ( token > 0 )
{
token2 = FindFirstInstanceOfChar(ptr,text,'>',*textsize);
if ( token2 > 0 )
{
for ( i=token; i<=token2; i++ )
{
text[i]=' ';
}
text[token]='|'; // SIGNAL DELIMITER ( IT MEANS AN HTML TAG WAS REPLACED )
if ( token2 != 0 ) { ptr = token2; }
}
}
}
CompressSpaces(text,textsize);
ExtractWords(acol,text,textsize);
return 0;
}
