Function processLine

maptemplate.c:3565–4073

** Process a single line in the template. A few tags (e.g. [resultset]...[/resultset]) can be multi-line so ** we pass the filehandle to look ahead if necessary. */

** we pass the filehandle to look ahead if necessary.
*/
static char *processLine(mapservObj *mapserv, char *instr, FILE *stream, int mode)
{
  int i, j;
#define PROCESSLINE_BUFLEN 5120
  char repstr[PROCESSLINE_BUFLEN], substr[PROCESSLINE_BUFLEN], *outstr; /* repstr = replace string, substr = sub string */
  struct hashObj *tp=NULL;
  char *encodedstr;
   
#ifdef USE_PROJ
  rectObj llextent;
  pointObj llpoint;
#endif

  outstr = msStrdup(instr); /* work from a copy */

  if(strstr(outstr, "[version]")) outstr = msReplaceSubstring(outstr, "[version]",  msGetVersion());

  snprintf(repstr, PROCESSLINE_BUFLEN, "%s%s%s.%s", mapserv->map->web.imageurl, mapserv->map->name, mapserv->Id, MS_IMAGE_EXTENSION(mapserv->map->outputformat));
  outstr = msReplaceSubstring(outstr, "[img]", repstr);
  snprintf(repstr, PROCESSLINE_BUFLEN, "%s%sref%s.%s", mapserv->map->web.imageurl, mapserv->map->name, mapserv->Id, MS_IMAGE_EXTENSION(mapserv->map->outputformat));
  outstr = msReplaceSubstring(outstr, "[ref]", repstr);

  if(strstr(outstr, "[errmsg")) {
    char *errmsg = msGetErrorString(";");
    if(!errmsg) errmsg = msStrdup("Error message buffer is empty."); /* should never happen, but just in case... */
    outstr = msReplaceSubstring(outstr, "[errmsg]", errmsg);
    encodedstr = msEncodeUrl(errmsg);
    outstr = msReplaceSubstring(outstr, "[errmsg_esc]", encodedstr);
    free(errmsg);
    free(encodedstr);
  }
  
  if(strstr(outstr, "[legend]")) {
     /* if there's a template legend specified, use it */
     if(mapserv->map->legend.template) {
        char *legendTemplate;

        legendTemplate = generateLegendTemplate(mapserv);
        if(legendTemplate) {
          outstr = msReplaceSubstring(outstr, "[legend]", legendTemplate);
     
           free(legendTemplate);
        }
        else /* error already generated by (generateLegendTemplate()) */
          return NULL;
     }
     else { /* if not display gif image with all legend icon */
        snprintf(repstr, PROCESSLINE_BUFLEN, "%s%sleg%s.%s", mapserv->map->web.imageurl, mapserv->map->name, mapserv->Id, MS_IMAGE_EXTENSION(mapserv->map->outputformat));
        outstr = msReplaceSubstring(outstr, "[legend]", repstr);
     }
  }
   
  snprintf(repstr, PROCESSLINE_BUFLEN, "%s%ssb%s.%s", mapserv->map->web.imageurl, mapserv->map->name, mapserv->Id, MS_IMAGE_EXTENSION(mapserv->map->outputformat));
  outstr = msReplaceSubstring(outstr, "[scalebar]", repstr);

  if(mapserv->savequery) {
    snprintf(repstr, PROCESSLINE_BUFLEN, "%s%s%s%s", mapserv->map->web.imagepath, mapserv->map->name, mapserv->Id, MS_QUERY_EXTENSION);
    outstr = msReplaceSubstring(outstr, "[queryfile]", repstr);