Function msSLDConvertRegexExpToOgcIsLike

mapogcsld.c:5563–5599

/ msSLDConvertRegexExpToOgcIsLike */ / Convert mapserver regex expression to ogc is like propoery */ exprssion. */ / Review bug 1644 for details. Here are the current rules: */ / The filter encoding property like is more limited compared */ to regular expressiosn that can be built in mapserver. I */ think

/*                                                                      */
/************************************************************************/
char *msSLDConvertRegexExpToOgcIsLike(char *pszRegex)
{   
    char szBuffer[1024];
    int iBuffer = 0, i=0;
    int nLength = 0;

    if (!pszRegex || strlen(pszRegex) == 0)
      return NULL;

    szBuffer[0] = '\0';
    nLength = strlen(pszRegex);

    while (i < nLength)
    {
        if (pszRegex[i] != '.')
        {
            szBuffer[iBuffer++] = pszRegex[i];
            i++;
        }
        else 
        {
            if (i<nLength-1 && pszRegex[i+1] == '*')
            {
                szBuffer[iBuffer++] = '*';
                i = i+2;
            }
            else
            {
                szBuffer[iBuffer++] =  pszRegex[i];
                i++;
            }
        }
    }
    szBuffer[iBuffer] = '\0';

    return msStrdup(szBuffer);
}