Hi Guillaume,
On Fri, Sep 21, 2012 at 01:55:54PM +0200, Guillaume Friloux wrote:
> Hello e people,
> I have written a little example app for eio_file_stat_ls() that
> could have its place under "trunk/eio/src/examples/" or
> "trunk/EXAMPLES/eio/".
> I think this could help people that needs to use it.
> It also warns about the filter_cb being called in eio's thread. A
> trap i stepped on by badly reading the doc (totally my fault).
>
> Example file is attached to this mail.
> /*
> * Compile :
> * gcc -g -o eio_file_stat_ls eio_file_stat_ls.c `pkg-config --cflags --libs
> eina ecore eio`
> *
> * Prepare :
> * mkdir test
> * touch test/456
> * touch test/excluded
> * touch test/backuped
> *
> * Run :
> * ./eio_file_stat_ls test
> */
>
> #include <Eio.h>
> #include <regex.h>
>
> struct _Filter
> {
> const char *name;
> regex_t preg;
> };
>
> Eina_List *l_filters;
>
> unsigned int count_filtered,
> count_passed,
> jobs;
>
> Eina_Bool _list_cb_filter(void *data, Eio_File *handler, const
> Eina_File_Direct_Info *file);
> void _list_cb(void *data, Eio_File *handler, const Eina_File_Direct_Info
> *file);
> void _list_cb_done(void *data, Eio_File *handler);
> void _list_cb_error(void *data, Eio_File *handler, int error);
>
You don't need these prototypes, reorder your functions.
> void _free_cb(void *data)
> {
> return;
> }
>
> void _filter_add(const char *name)
> {
> struct _Filter *obj;
>
> obj = calloc(1, sizeof(struct _Filter));
> if (!obj)
> return;
>
> if (regcomp(&(obj->preg), name, REG_EXTENDED))
> {
> fprintf(stderr, "Failed to compile regex for \"%s\"\n", name);
> free(obj);
> return;
> }
> obj->name = eina_stringshare_add(name);
> l_filters = eina_list_append(l_filters, obj);
> }
>
> /*
> * This function is called inside eio's thread, so dont use anything not
> * thread-safe inside!
> */
> Eina_Bool
> _list_cb_filter(void *data, Eio_File *handler, const Eina_File_Direct_Info
> *file)
> {
> char *last_slash;
> struct _Filter *obj_filter;
> Eina_List *l;
>
> last_slash = strrchr(file->path, '/');
>
> if (file->type==EINA_FILE_DIR)
> return EINA_TRUE;
>
> EINA_LIST_FOREACH(l_filters, l, obj_filter)
> {
> if (!regexec(&(obj_filter->preg), last_slash + 1, 0, 0, 0))
> {
> eio_file_associate_add(handler, file->path, obj_filter,
> _free_cb);
> return EINA_TRUE;
> }
> }
> count_filtered++;
> return EINA_FALSE;
> }
>
> void
> _list_cb(void *data, Eio_File *handler, const Eina_File_Direct_Info *file)
> {
> struct _Filter *obj;
>
> if (file->type==EINA_FILE_DIR)
> {
> jobs++;
> eio_file_stat_ls(file->path,
> _list_cb_filter,
> _list_cb,
> _list_cb_done,
> _list_cb_error,
> NULL);
> return;
> }
> count_passed++;
>
> obj = eio_file_associate_find(handler, file->path);
> printf("File %s matched %s\n", file->path, obj->name);
> }
>
> void
> _list_cb_done(void *data, Eio_File *handler)
> {
> if (!--jobs)
> ecore_main_loop_quit();
> }
>
> void
> _list_cb_error(void *data, Eio_File *handler, int error)
> {
> fprintf(stderr, "An error occured : %s\n", strerror(error));
> }
>
> int main(int argc, char **argv)
> {
> if (argc != 2)
> {
> fprintf(stderr, "Usage ./eio_file_stat_ls testdir\n");
> return 1;
> }
>
> eina_init();
> ecore_init();
> eio_init();
>
Check for initializations.
> l_filters = NULL;
> count_filtered = 0;
> count_passed = 0;
> jobs = 1;
You could use a struct do describe your status data and pass it to
eio_file_stat_ls and appropriately handle it.
>
> _filter_add("^[0-9]+$");
> _filter_add("^back.*");
>
>
> eio_file_stat_ls(argv[1],
> _list_cb_filter,
> _list_cb,
> _list_cb_done,
> _list_cb_error,
> NULL);
>
> ecore_main_loop_begin();
>
> printf("Stats :\tFiltered = %d\tPassed = %d\n", count_filtered,
> count_passed);
>
> eio_shutdown();
> ecore_shutdown();
> eina_shutdown();
> return 0;
> }
>
Regards....
--
Leandro Dorileo
ProFUSION embedded systems
http://profusion.mobi
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