* ecore: add ecore_file_ls_iterator.

SVN revision: 49997

1 files changed, 81 insertions, 3 deletions

diff --git a/legacy/ecore/src/lib/ecore_file/ecore_file.c b/legacy/ecore/src/lib/ecore_file/ecore_file.c
index 8435c45ccc..fd4faa9e27 100644
--- a/legacy/ecore/src/lib/ecore_file/ecore_file.c
+++ b/legacy/ecore/src/lib/ecore_file/ecore_file.c
@@ -8,9 +8,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
 
 #ifndef _MSC_VER
 # include <unistd.h>
@@ -32,6 +29,47 @@
 int _ecore_file_log_dom = -1;
 static int _ecore_file_init_count = 0;
 
+static Eina_Bool
+_ecore_file_ls_iterator_next(Ecore_File_Iterator *it, void **data)
+{
+   struct dirent *dp;
+   char *name;
+   size_t length;
+
+   do
+     {
+        dp = readdir(it->dirp);
+        if (!dp) return EINA_FALSE;
+     }
+   while (!strcmp(dp->d_name, ".")
+          || !strcmp(dp->d_name, ".."));
+
+   length = strlen(dp->d_name);
+   name = alloca(length + 2 + it->length);
+
+   memcpy(name, it->dir, it->length);
+   memcpy(name + it->length, "/", 1);
+   memcpy(name + it->length + 1, dp->d_name, length + 1);
+
+   *data = (char*) eina_stringshare_add(name);
+   return EINA_TRUE;
+}
+
+static char *
+_ecore_file_ls_iterator_container(Ecore_File_Iterator *it)
+{
+   return it->dir;
+}
+
+static void
+_ecore_file_ls_iterator_free(Ecore_File_Iterator *it)
+{
+   closedir(it->dirp);
+
+   EINA_MAGIC_SET(&it->iterator, 0);
+   free(it);
+}
+
 /* externally accessible functions */
 /**
  * Initialize Ecore_File and the services it will use. Call this function
@@ -703,6 +741,46 @@ ecore_file_ls(const char *dir)
 }
 
 /**
+ * Get an iterator to list the content of a directory. Give a chance to interrupt it
+ * and make it completly asynchrone.
+ * The iterator will walk over '.' and '..' without returning them.
+ * @param  dir The name of the directory to list
+ * @return Return an Eina_Iterator that will walk over the files and directory in the pointed
+ *         directory. On failure it will return NULL.
+ */
+EAPI Eina_Iterator *
+ecore_file_ls_iterator(const char *dir)
+{
+   Ecore_File_Iterator *it;
+   size_t length;
+
+   if (!dir) return NULL;
+
+   length = strlen(dir);
+
+   it = malloc(sizeof (Ecore_File_Iterator) + length);
+   if (!it) return NULL;
+
+   EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
+
+   it->dirp = opendir(dir);
+   if (!it->dirp)
+     {
+        free(it);
+        return NULL;
+     }
+
+   memcpy(it->dir, dir, length + 1);
+   it->length = length;
+
+   it->iterator.next = FUNC_ITERATOR_NEXT(_ecore_file_ls_iterator_next);
+   it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_ecore_file_ls_iterator_container);
+   it->iterator.free = FUNC_ITERATOR_FREE(_ecore_file_ls_iterator_free);
+
+   return &it->iterator;
+}
+
+/**
  * FIXME: To be documented.
  */
 EAPI char *