char *Locate_Filename(char *filename, unsigned int stype, bool err_flag)
{
int i,ii,l[4];
char pathname[FILE_NAME_LENGTH];
char file[FILE_NAME_LENGTH];
char file_x[4][FILE_NAME_LENGTH];
char *result = NULL;
if (Has_Extension(filename))
{
for(i = 0; i < 4; i++)
l[i]=0;
}
else
{
for(i = 0; i < 4; i++)
{
if ((l[i] = strlen(gPOV_File_Extensions[stype].ext[i])) > 0)
{
strcpy(file_x[i], filename);
strcat(file_x[i], gPOV_File_Extensions[stype].ext[i]);
}
}
}
/* Check the current directory first. */
for(i = 0; i < 4; i++)
{
/* Try appending the variations of the file extension */
if(l[i])
{
if (EXIST_FILE(file_x[i]) == true)
{
result = new char[strlen(file_x[i]) + 1];
POV_GET_FULL_PATH(file_x[i], result);
return result;
}
}
}
/* Try the filename without any modifications */
if (EXIST_FILE(filename) == true)
{
result = new char[strlen(filename) + 1];
POV_GET_FULL_PATH(filename, result);
return result;
}
/* Walk through the library paths, trying with and without file extensions */
for (i = 0; i < opts.Library_Path_Index; i++)
{
strcpy(file, opts.Library_Paths[i]);
file[strlen(file)+1] = '\0';
if (file[strlen(file) - 1] != DRIVE_SEPARATOR)
file[strlen(file)] = FILENAME_SEPARATOR;
for(ii = 0; ii < 4; ii++)
{
if(l[ii])
{
strcpy(pathname, file);
strcat(pathname, file_x[ii]);
if (EXIST_FILE(pathname) == true)
{
result = new char[strlen(pathname) + 1];
POV_GET_FULL_PATH(pathname, result);
return result;
}
}
}
strcpy(pathname, file);
strcat(pathname, filename);
if (EXIST_FILE(pathname) == true)
{
result = new char[strlen(pathname) + 1];
POV_GET_FULL_PATH(pathname, result);
return result;
}
}
// Allow system specific access of font files:
// Obviously this requires POV_NEW_ISTREAM
// to be platform specific as well! [trf]
if(stype == POV_File_Font_TTF)
{
if(EXIST_FONT_FILE(filename))
{
result = new char[strlen(filename) + 1];
strcpy(filename, result);
return result;
}
}
if (err_flag)
{
if (l[0])
PossibleError("Could not find file '%s%s'",filename,gPOV_File_Extensions[stype].ext[0]);
else
PossibleError("Could not find file '%s'",filename);
}
return NULL;
}
ITextStream *ProcessRenderOptions::OpenINIFileStream(const char *filename, unsigned int stype, char *buffer, POVMSObjectPtr obj)
{
int i,ii,l[4];
char pathname[FILE_NAME_LENGTH];
char file[FILE_NAME_LENGTH];
char file_x[4][FILE_NAME_LENGTH];
int cnt = 0;
int ll;
POVMSAttribute attr, item;
if(Has_Extension(filename))
{
for(i = 0; i < 4; i++)
l[i]=0;
}
else
{
for(i = 0; i < 4; i++)
{
if((l[i] = strlen(gPOV_File_Extensions[stype].ext[i])) > 0)
{
strcpy(file_x[i], filename);
strcat(file_x[i], gPOV_File_Extensions[stype].ext[i]);
}
}
}
// Check the current directory first
for(i = 0; i < 4; i++)
{
if(l[i])
{
if(EXIST_FILE(file_x[i]) == true)
{
strcpy(buffer,file_x[i]);
return new ITextStream(file_x[i], stype);
}
}
}
if(EXIST_FILE(filename) == true)
{
strcpy(buffer,filename);
return new ITextStream(filename, stype);
}
if(POVMSObject_Get(obj, &attr, kPOVAttrib_LibraryPath) != 0)
return NULL;
if(POVMSAttrList_Count(&attr, &cnt) != 0)
{
(void)POVMSAttrList_Delete(&attr);
return NULL;
}
for (i = 1; i <= cnt; i++)
{
(void)POVMSAttr_New(&item);
if(POVMSAttrList_GetNth(&attr, i, &item) != 0)
continue;
ll = 0;
if(POVMSAttr_Size(&item, &ll) != 0)
{
(void)POVMSAttr_Delete(&item);
continue;
}
if(ll <= 0)
{
(void)POVMSAttr_Delete(&item);
continue;
}
if(POVMSAttr_Get(&item, kPOVMSType_CString, file, &ll) != 0)
{
(void)POVMSAttr_Delete(&item);
continue;
}
(void)POVMSAttr_Delete(&item);
file[strlen(file)+1] = '\0';
if(file[strlen(file) - 1] != DRIVE_SEPARATOR)
file[strlen(file)] = FILENAME_SEPARATOR;
for(ii = 0; ii < 4; ii++)
{
if(l[ii])
{
strcpy(pathname, file);
strcat(pathname, file_x[ii]);
if(EXIST_FILE(pathname) == true)
{
strcpy(buffer,pathname);
(void)POVMSAttrList_Delete(&attr);
return new ITextStream(pathname, stype);
}
}
}
strcpy(pathname, file);
strcat(pathname, filename);
if(EXIST_FILE(pathname) == true)
{
strcpy(buffer,pathname);
(void)POVMSAttrList_Delete(&attr);
return new ITextStream(pathname, stype);
}
}
(void)POVMSAttrList_Delete(&attr);
if(l[0])
ParseError("Could not find file '%s%s'", filename, gPOV_File_Extensions[stype].ext[0]);
else
ParseError("Could not find file '%s'", filename);
return NULL;
}