Function msSLDGetLeftExpressionOfOperator

mapogcsld.c:4616–4694

}

char *msSLDGetLeftExpressionOfOperator(char *pszExpression)
{
    char *pszReturn = NULL;
    int nLength = 0, i =0, iReturn=0;

    if (!pszExpression || (nLength = strlen(pszExpression)) <=0)
      return NULL;

    pszReturn = (char *)malloc(sizeof(char)*(nLength+1));
    pszReturn[0] = '\0';
    if (strstr(pszExpression, " AND ") || strstr(pszExpression, " and "))
    {
        for (i=0; i<nLength-5; i++)
        {
            if (pszExpression[i] == ' ' && 
                (pszExpression[i+1] == 'A' || pszExpression[i] == 'a') &&
                (pszExpression[i+2] == 'N' || pszExpression[i] == 'n') &&
                (pszExpression[i+3] == 'D' || pszExpression[i] == 'd') &&
                (pszExpression[i+4] == ' '))
              break;
            else
            {
                pszReturn[iReturn++] = pszExpression[i];
            }
            pszReturn[iReturn] = '\0';
        }
    }
    else if (strstr(pszExpression, "AND(") || strstr(pszExpression, "and("))
    {
        for (i=0; i<nLength-4; i++)
        {
            if ((pszExpression[i] == 'A' || pszExpression[i] == 'a') &&
                (pszExpression[i+1] == 'N' || pszExpression[i] == 'n') &&
                (pszExpression[i+2] == 'D' || pszExpression[i] == 'd') &&
                (pszExpression[i+3] == '('))
              break;
            else
            {
                pszReturn[iReturn++] = pszExpression[i];
            }
            pszReturn[iReturn] = '\0';
        }
    }
    else if (strstr(pszExpression, " OR ") || strstr(pszExpression, " or "))
    {
        for (i=0; i<nLength-4; i++)
        {
            if (pszExpression[i] == ' ' && 
                (pszExpression[i+1] == 'O' || pszExpression[i] == 'o') &&
                (pszExpression[i+2] == 'R' || pszExpression[i] == 'r') &&
                pszExpression[i+3] == ' ')
              break;
            else
            {
                pszReturn[iReturn++] = pszExpression[i];
            }
            pszReturn[iReturn] = '\0';
        }