bool GRFFileScanner::AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
{
GRFConfig *c = new GRFConfig(filename + basepath_length);
bool added = true;
if (FillGRFDetails(c, false)) {
if (_all_grfs == NULL) {
_all_grfs = c;
} else {
/* Insert file into list at a position determined by its
* name, so the list is sorted as we go along */
GRFConfig **pd, *d;
bool stop = false;
for (pd = &_all_grfs; (d = *pd) != NULL; pd = &d->next) {
if (c->ident.grfid == d->ident.grfid && memcmp(c->ident.md5sum, d->ident.md5sum, sizeof(c->ident.md5sum)) == 0) added = false;
/* Because there can be multiple grfs with the same name, make sure we checked all grfs with the same name,
* before inserting the entry. So insert a new grf at the end of all grfs with the same name, instead of
* just after the first with the same name. Avoids doubles in the list. */
if (strcasecmp(c->GetName(), d->GetName()) <= 0) {
stop = true;
} else if (stop) {
break;
}
}
if (added) {
c->next = d;
*pd = c;
}
}
} else {
added = false;
}
this->num_scanned++;
if (this->next_update <= _realtime_tick) {
_modal_progress_work_mutex->EndCritical();
_modal_progress_paint_mutex->BeginCritical();
const char *name = NULL;
if (c->name != NULL) name = GetGRFStringFromGRFText(c->name->text);
if (name == NULL) name = c->filename;
UpdateNewGRFScanStatus(this->num_scanned, name);
_modal_progress_work_mutex->BeginCritical();
_modal_progress_paint_mutex->EndCritical();
this->next_update = _realtime_tick + 200;
}
if (!added) {
/* File couldn't be opened, or is either not a NewGRF or is a
* 'system' NewGRF or it's already known, so forget about it. */
delete c;
}
return added;
}
/**
* Get a C-string from a stringid set by a newgrf.
*/
const char *GetGRFStringPtr(uint16 stringid)
{
assert(_grf_text[stringid].grfid != 0);
/* Remember this grfid in case the string has included text */
_last_grfid = _grf_text[stringid].grfid;
const char *str = GetGRFStringFromGRFText(_grf_text[stringid].textholder);
if (str != NULL) return str;
/* Use the default string ID if the fallback string isn't available */
return GetStringPtr(_grf_text[stringid].def_string);
}
/**
* Get the grf url.
* @return A string with an url of this grf.
*/
const char *GRFConfig::GetURL() const
{
return GetGRFStringFromGRFText(this->url->text);
}
/**
* Get the grf info.
* @return A string with a description of this grf.
*/
const char *GRFConfig::GetDescription() const
{
return GetGRFStringFromGRFText(this->info->text);
}
/**
* Get the name of this grf. In case the name isn't known
* the filename is returned.
* @return The name of filename of this grf.
*/
const char *GRFConfig::GetName() const
{
const char *name = GetGRFStringFromGRFText(this->name->text);
return StrEmpty(name) ? this->filename : name;
}