#include <glib.h>
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#include "Directory-c-api.h"
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#include "Error-c-api.h"
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struct _GDir {
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UnityPalFindHandle* handle;
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gchar* current;
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gchar* next;
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const gchar* path_for_rewind;
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};
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static gboolean
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setup_dir_handle(GDir*dir, const gchar* path, GError **error)
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{
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gchar* path_search;
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char* result_file_name = NULL;
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gint unused_attributes;
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UnityPalErrorCode result;
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dir->path_for_rewind = g_strdup (path);
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path_search = g_malloc ((strlen(path) + 3)*sizeof(gchar));
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strcpy (path_search, path);
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#ifdef G_OS_WIN32
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strcat (path_search, "\\*");
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#else
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strcat (path_search, "/*");
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#endif
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dir->handle = UnityPalDirectoryFindHandleNew(path_search);
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result = UnityPalDirectoryFindFirstFile(dir->handle, path_search, &result_file_name, &unused_attributes);
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if (!UnityPalSuccess(result)) {
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if (error)
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*error = g_error_new (G_LOG_DOMAIN, g_file_error_from_errno (result), strerror (result));
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g_free (dir);
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return FALSE;
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}
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while ((strcmp (result_file_name, ".") == 0) || (strcmp (result_file_name, "..") == 0)) {
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result = UnityPalDirectoryFindNextFile(dir->handle, &result_file_name, &unused_attributes);
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if (!UnityPalSuccess(result)) {
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result_file_name = NULL;
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break;
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}
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}
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dir->current = NULL;
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dir->next = result_file_name;
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return TRUE;
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}
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static void close_dir_handle(GDir* dir)
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{
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UnityPalDirectoryCloseOSHandle(dir->handle);
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UnityPalDirectoryFindHandleDelete(dir->handle);
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dir->handle = 0;
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}
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GDir *
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g_dir_open (const gchar *path, guint flags, GError **error)
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{
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GDir *dir;
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gboolean success;
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g_return_val_if_fail (path != NULL, NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, NULL);
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dir = g_new0 (GDir, 1);
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success = setup_dir_handle(dir, path, error);
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if (!success)
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return NULL;
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return dir;
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}
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const gchar *
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g_dir_read_name (GDir *dir)
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{
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char* result_file_name;
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gint unused_attributes;
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UnityPalErrorCode result;
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g_return_val_if_fail (dir != NULL && dir->handle != 0, NULL);
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if (dir->current)
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g_free (dir->current);
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dir->current = NULL;
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dir->current = dir->next;
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if (!dir->current)
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return NULL;
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dir->next = NULL;
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do {
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result = UnityPalDirectoryFindNextFile(dir->handle, &result_file_name, &unused_attributes);
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if (!UnityPalSuccess(result)) {
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dir->next = NULL;
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return dir->current;
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}
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} while ((strcmp (result_file_name, ".") == 0) || (strcmp (result_file_name, "..") == 0));
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dir->next = result_file_name;
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return dir->current;
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}
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void
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g_dir_rewind (GDir *dir)
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{
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g_return_if_fail (dir != NULL && dir->handle != NULL);
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close_dir_handle(dir);
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setup_dir_handle(dir, dir->path_for_rewind, NULL);
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}
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void
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g_dir_close (GDir *dir)
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{
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g_return_if_fail (dir != NULL && dir->handle != 0);
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if (dir->current)
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g_free (dir->current);
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dir->current = NULL;
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if (dir->next)
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g_free (dir->next);
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dir->next = NULL;
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if (dir->path_for_rewind)
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g_free(dir->path_for_rewind);
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dir->path_for_rewind = NULL;
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close_dir_handle(dir);
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g_free (dir);
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}
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