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Added support for override preferences

This commit is contained in:
Jack Jansen 1996-04-04 15:39:18 +00:00
parent db0baced23
commit a486a55f59
1 changed files with 55 additions and 14 deletions
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45
Mac/Python/macgetpath.c
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@ -151,11 +151,18 @@ PyMac_GetPythonDir()
Boolean modified = 0;
short oldrh, prefrh;
oldrh = CurResFile();
/*
** First look for an override of the preferences file
*/
handle = (AliasHandle)GetResource('alis', PYTHONHOMEOVERRIDE_ID);
if ( handle != NULL ) {
prefrh = oldrh;
} else {
/*
** Remember old resource file and try to open preferences file
** in the preferences folder.
*/
oldrh = CurResFile();
prefrh = PyMac_OpenPrefFile();
/* So, we've opened our preferences file, we hope. Look for the alias */
handle = (AliasHandle)Get1Resource('alis', PYTHONHOME_ID);
@ -163,6 +170,7 @@ PyMac_GetPythonDir()
(void)StopAlert(BADPREFFILE_ID, NULL);
exit(1);
}
}
/* It exists. Resolve it (possibly updating it) */
if ( ResolveAlias(NULL, handle, &dirspec, &modified) != noErr ) {
(void)StopAlert(BADPREFFILE_ID, NULL);
@ -172,8 +180,10 @@ PyMac_GetPythonDir()
ChangedResource((Handle)handle);
UpdateResFile(prefrh);
}
if ( prefrh != oldrh ) {
CloseResFile(prefrh);
UseResFile(oldrh);
}
if ( nfullpath(&dirspec, name) == 0 ) {
strcat(name, ":");
@ -198,6 +208,8 @@ char *dir;
char *rv;
int i, newlen;
Str255 pathitem;
int resource_id;
OSErr err;
/*
** Remember old resource file and try to open preferences file
@ -217,8 +229,16 @@ char *dir;
if( (rv = malloc(2)) == NULL )
goto out;
strcpy(rv, "\n");
/*
** See whether there's an override.
*/
GetIndString(pathitem, PYTHONPATHOVERRIDE_ID, 1);
if ( pathitem[0] )
resource_id = PYTHONPATHOVERRIDE_ID;
else
resource_id = PYTHONPATH_ID;
for(i=1; ; i++) {
GetIndString(pathitem, PYTHONPATH_ID, i);
GetIndString(pathitem, resource_id, i);
if( pathitem[0] == 0 )
break;
if ( pathitem[0] >= 9 && strncmp((char *)pathitem+1, "$(PYTHON)", 9) == 0 ) {
@ -236,6 +256,25 @@ char *dir;
}
rv[newlen-2] = '\n';
rv[newlen-1] = 0;
} else if ( pathitem[0] >= 14 && strncmp((char *)pathitem+1, "$(APPLICATION)", 14) == 0 ) {
/* This is the application itself */
char fullname[256];
if ( (err=PyMac_process_location(&dirspec)) != 0 ) {
printf("Cannot get FSSpec for application, error %d\n", err);
exit(1);
}
if ( nfullpath(&dirspec, fullname) != 0 ) {
printf("Cannot convert application fsspec to path\n");
exit(1);
}
newlen = strlen(rv) + strlen(fullname) + 2;
if( (rv=realloc(rv, newlen)) == NULL)
goto out;
strcpy(rv+strlen(rv), fullname);
rv[newlen-2] = '\n';
rv[newlen-1] = 0;
} else {
/* Use as-is */
newlen = strlen(rv) + (pathitem[0]) + 2;
@ -276,6 +315,8 @@ PyMac_PreferenceOptions(int *inspect, int *verbose, int *suppress_print,
oldrh = CurResFile();
prefrh = PyMac_OpenPrefFile();
handle = GetResource('Popt', PYTHONOPTIONSOVERRIDE_ID);
if ( handle == NULL )
handle = GetResource('Popt', PYTHONOPTIONS_ID);
if ( handle == NULL ) {
return;