/* This is a helper function for ParseLibrary Tree. Given a char *path,
* it finds all newlib footprints in that dir and sticks them into the
* library menu structure named entry.
*/
static int
LoadNewlibFootprintsFromDir(char *libpath, char *toppath)
{
char olddir[MAXPATHLEN + 1]; /* The directory we start out in (cwd) */
char subdir[MAXPATHLEN + 1]; /* The directory holding footprints to load */
DIR *subdirobj; /* Interable object holding all subdir entries */
struct dirent *subdirentry; /* Individual subdir entry */
struct stat buffer; /* Buffer used in stat */
LibraryMenuType *menu = NULL; /* Pointer to PCB's library menu structure */
LibraryEntryType *entry; /* Pointer to individual menu entry */
size_t l;
size_t len;
int n_footprints = 0; /* Running count of footprints found in this subdir */
/* Cache old dir, then cd into subdir because stat is given relative file names. */
memset (subdir, 0, sizeof subdir);
memset (olddir, 0, sizeof olddir);
if (GetWorkingDirectory (olddir) == NULL)
{
Message (_("LoadNewlibFootprintsFromDir: Could not determine initial working directory\n"));
return 0;
}
if (strcmp (libpath, "(local)") == 0)
strcpy (subdir, ".");
else
strcpy (subdir, libpath);
if (chdir (subdir))
{
ChdirErrorMessage (subdir);
return 0;
}
/* Determine subdir is abs path */
if (GetWorkingDirectory (subdir) == NULL)
{
Message (_("LoadNewlibFootprintsFromDir: Could not determine new working directory\n"));
if (chdir (olddir))
ChdirErrorMessage (olddir);
return 0;
}
/* First try opening the directory specified by path */
if ( (subdirobj = opendir (subdir)) == NULL )
{
OpendirErrorMessage (subdir);
if (chdir (olddir))
ChdirErrorMessage (olddir);
return 0;
}
/* Get pointer to memory holding menu */
menu = GetLibraryMenuMemory (&Library);
/* Populate menuname and path vars */
menu->Name = strdup (pcb_basename(subdir));
menu->directory = strdup (pcb_basename(toppath));
/* Now loop over files in this directory looking for files.
* We ignore certain files which are not footprints.
*/
while ((subdirentry = readdir (subdirobj)) != NULL)
{
#ifdef DEBUG
/* printf("... Examining file %s ... \n", subdirentry->d_name); */
#endif
/* Ignore non-footprint files found in this directory
* We're skipping .png and .html because those
* may exist in a library tree to provide an html browsable
* index of the library.
*/
l = strlen (subdirentry->d_name);
if (!stat (subdirentry->d_name, &buffer) && S_ISREG (buffer.st_mode)
&& subdirentry->d_name[0] != '.'
&& NSTRCMP (subdirentry->d_name, "CVS") != 0
&& NSTRCMP (subdirentry->d_name, "Makefile") != 0
&& NSTRCMP (subdirentry->d_name, "Makefile.am") != 0
&& NSTRCMP (subdirentry->d_name, "Makefile.in") != 0
&& (l < 4 || NSTRCMP(subdirentry->d_name + (l - 4), ".png") != 0)
&& (l < 5 || NSTRCMP(subdirentry->d_name + (l - 5), ".html") != 0)
&& (l < 4 || NSTRCMP(subdirentry->d_name + (l - 4), ".pcb") != 0) )
{
#ifdef DEBUG
/* printf("... Found a footprint %s ... \n", subdirentry->d_name); */
#endif
n_footprints++;
entry = GetLibraryEntryMemory (menu);
/*
* entry->AllocatedMemory points to abs path to the footprint.
* entry->ListEntry points to fp name itself.
*/
len = strlen(subdir) + strlen("/") + strlen(subdirentry->d_name) + 1;
entry->AllocatedMemory = (char *)calloc (1, len);
strcat (entry->AllocatedMemory, subdir);
strcat (entry->AllocatedMemory, PCB_DIR_SEPARATOR_S);
/* store pointer to start of footprint name */
entry->ListEntry = entry->AllocatedMemory
+ strlen (entry->AllocatedMemory);
/* Now place footprint name into AllocatedMemory */
strcat (entry->AllocatedMemory, subdirentry->d_name);
/* mark as directory tree (newlib) library */
entry->Template = (char *) -1;
}
}
/* Done. Clean up, cd back into old dir, and return */
closedir (subdirobj);
if (chdir (olddir))
ChdirErrorMessage (olddir);
return n_footprints;
}
/* This function loads the newlib footprints into the Library.
* It examines all directories pointed to by Settings.LibraryTree.
* In each directory specified there, it looks both in that directory,
* as well as *one* level down. It calls the subfunction
* LoadNewlibFootprintsFromDir to put the footprints into PCB's internal
* datastructures.
*/
static int
ParseLibraryTree (void)
{
char toppath[MAXPATHLEN + 1]; /* String holding abs path to top level library dir */
char working[MAXPATHLEN + 1]; /* String holding abs path to working dir */
char *libpaths; /* String holding list of library paths to search */
char *p; /* Helper string used in iteration */
DIR *dirobj; /* Iterable directory object */
struct dirent *direntry = NULL; /* Object holding individual directory entries */
struct stat buffer; /* buffer used in stat */
int n_footprints = 0; /* Running count of footprints found */
/* Initialize path, working by writing 0 into every byte. */
memset (toppath, 0, sizeof toppath);
memset (working, 0, sizeof working);
/* Save the current working directory as an absolute path.
* This fcn writes the abs path into the memory pointed to by the input arg.
*/
if (GetWorkingDirectory (working) == NULL)
{
Message (_("ParseLibraryTree: Could not determine initial working directory\n"));
return 0;
}
/* Additional loop to allow for multiple 'newlib' style library directories
* called out in Settings.LibraryTree
*/
libpaths = strdup (Settings.LibraryTree);
for (p = strtok (libpaths, PCB_PATH_DELIMETER); p && *p; p = strtok (NULL, PCB_PATH_DELIMETER))
{
/* remove trailing path delimeter */
strncpy (toppath, p, sizeof (toppath) - 1);
/* start out in the working directory in case the path is a
* relative path
*/
if (chdir (working))
{
ChdirErrorMessage (working);
free (libpaths);
return 0;
}
/*
* Next change to the directory which is the top of the library tree
* and extract its abs path.
*/
if (chdir (toppath))
{
ChdirErrorMessage (toppath);
continue;
}
if (GetWorkingDirectory (toppath) == NULL)
{
Message (_("ParseLibraryTree: Could not determine new working directory\n"));
continue;
}
#ifdef DEBUG
printf("In ParseLibraryTree, looking for newlib footprints inside top level directory %s ... \n",
toppath);
#endif
/* Next read in any footprints in the top level dir */
n_footprints += LoadNewlibFootprintsFromDir("(local)", toppath);
/* Then open this dir so we can loop over its contents. */
if ((dirobj = opendir (toppath)) == NULL)
{
OpendirErrorMessage (toppath);
continue;
}
/* Now loop over files in this directory looking for subdirs.
* For each direntry which is a valid subdirectory,
* try to load newlib footprints inside it.
*/
while ((direntry = readdir (dirobj)) != NULL)
{
#ifdef DEBUG
printf("In ParseLibraryTree loop examining 2nd level direntry %s ... \n", direntry->d_name);
#endif
/* Find subdirectories. Ignore entries beginning with "." and CVS
* directories.
*/
if (!stat (direntry->d_name, &buffer)
&& S_ISDIR (buffer.st_mode)
&& direntry->d_name[0] != '.'
&& NSTRCMP (direntry->d_name, "CVS") != 0)
{
/* Found a valid subdirectory. Try to load footprints from it.
*/
n_footprints += LoadNewlibFootprintsFromDir(direntry->d_name, toppath);
}
}
closedir (dirobj);
}
/* restore the original working directory */
if (chdir (working))
ChdirErrorMessage (working);
#ifdef DEBUG
printf("Leaving ParseLibraryTree, found %d footprints.\n", n_footprints);
#endif
free (libpaths);
return n_footprints;
}
/* This function loads the newlib footprints into the Library.
* It examines all directories pointed to by Settings.LibraryTree.
* It calls the subfunction LoadNewlibFootprintsFromDir to put the
* footprints into PCB's internal datastructures.
*/
static int
ParseLibraryTree (void)
{
char toppath[MAXPATHLEN + 1]; /* String holding abs path to top level library dir */
char working[MAXPATHLEN + 1]; /* String holding abs path to working dir */
char *libpaths; /* String holding list of library paths to search */
char *p; /* Helper string used in iteration */
int n_footprints = 0; /* Running count of footprints found */
/* Initialize path, working by writing 0 into every byte. */
memset (toppath, 0, sizeof toppath);
memset (working, 0, sizeof working);
/* Save the current working directory as an absolute path.
* This fcn writes the abs path into the memory pointed to by the input arg.
*/
if (GetWorkingDirectory (working) == NULL)
{
Message (_("ParseLibraryTree: Could not determine initial working directory\n"));
return 0;
}
/* Additional loop to allow for multiple 'newlib' style library directories
* called out in Settings.LibraryTree
*/
libpaths = strdup (Settings.LibraryTree);
for (p = strtok (libpaths, PCB_PATH_DELIMETER); p && *p; p = strtok (NULL, PCB_PATH_DELIMETER))
{
/* remove trailing path delimeter */
strncpy (toppath, p, sizeof (toppath) - 1);
/* start out in the working directory in case the path is a
* relative path
*/
if (chdir (working))
{
ChdirErrorMessage (working);
free (libpaths);
return 0;
}
/*
* Next change to the directory which is the top of the library tree
* and extract its abs path.
*/
if (chdir (toppath))
{
ChdirErrorMessage (toppath);
continue;
}
if (GetWorkingDirectory (toppath) == NULL)
{
Message (_("ParseLibraryTree: Could not determine new working directory\n"));
continue;
}
#ifdef DEBUG
printf("In ParseLibraryTree, looking for newlib footprints inside top level directory %s ... \n",
toppath);
#endif
/* Next read in any footprints in the top level dir and below */
n_footprints += LoadNewlibFootprintsFromDir("(local)", toppath, *p == '/');
}
/* restore the original working directory */
if (chdir (working))
ChdirErrorMessage (working);
#ifdef DEBUG
printf("Leaving ParseLibraryTree, found %d footprints.\n", n_footprints);
#endif
free (libpaths);
return n_footprints;
}