-/** \file
- * \short LUA implementation
- * \author Klaus Ethgen <Klaus@Ethgen.de>
- */
-
/*
- * This file is a part of Geeqie project (http://geeqie.sourceforge.net/).
- * Copyright (C) 2008 - 2010 The Geeqie Team
+ * Copyright (C) 2008 - 2016 The Geeqie Team
+ *
+ * Author: Klaus Ethgen
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#ifdef HAVE_LUA
+#define _XOPEN_SOURCE
+
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include <stdio.h>
#include <glib.h>
+#include <string.h>
+#include <time.h>
#include "main.h"
#include "glua.h"
return *fd;
}
+static int lua_image_get_exif(lua_State *L)
+{
+ FileData *fd;
+ ExifData *exif;
+ ExifData **exif_data;
+
+ fd = lua_check_image(L, 1);
+ exif = exif_read_fd(fd);
+
+ exif_data = (ExifData **)lua_newuserdata(L, sizeof(ExifData *));
+ luaL_getmetatable(L, "Exif");
+ lua_setmetatable(L, -2);
+
+ *exif_data = exif;
+
+ return 1;
+}
+
+static int lua_image_get_path(lua_State *L)
+{
+ FileData *fd;
+
+ fd = lua_check_image(L, 1);
+ lua_pushstring(L, fd->path);
+ return 1;
+}
+
+static int lua_image_get_name(lua_State *L)
+{
+ FileData *fd;
+
+ fd = lua_check_image(L, 1);
+ lua_pushstring(L, fd->name);
+ return 1;
+}
+
+static int lua_image_get_extension(lua_State *L)
+{
+ FileData *fd;
+
+ fd = lua_check_image(L, 1);
+ lua_pushstring(L, fd->extension);
+ return 1;
+}
+
+static int lua_image_get_date(lua_State *L)
+{
+ FileData *fd;
+
+ fd = lua_check_image(L, 1);
+ lua_pushnumber(L, fd->date);
+ return 1;
+}
+
+static int lua_image_get_size(lua_State *L)
+{
+ FileData *fd;
+
+ fd = lua_check_image(L, 1);
+ lua_pushnumber(L, fd->size);
+ return 1;
+}
+
+static ExifData *lua_check_exif(lua_State *L, int index)
+{
+ ExifData **exif;
+ luaL_checktype(L, index, LUA_TUSERDATA);
+ exif = (ExifData **)luaL_checkudata(L, index, "Exif");
+ if (exif == NULL) luaL_typerror(L, index, "Exif");
+ return *exif;
+}
+
/* Interface for EXIF data */
static int lua_exif_get_datum(lua_State *L)
{
const gchar *key;
gchar *value = NULL;
ExifData *exif;
- FileData *fd;
+ struct tm tm;
+ time_t datetime;
- fd = lua_check_image(L, 1);
+ exif = lua_check_exif(L, 1);
key = luaL_checkstring(L, 2);
if (key == (gchar*)NULL || key[0] == '\0')
{
lua_pushnil(L);
return 1;
}
- exif = exif_read_fd(fd);
if (!exif)
{
lua_pushnil(L);
return 1;
}
value = exif_get_data_as_text(exif, key);
+ if (strcmp(key, "Exif.Photo.DateTimeOriginal") == 0)
+ {
+ memset(&tm, 0, sizeof(tm));
+ if (value && strptime(value, "%Y:%m:%d %H:%M:%S", &tm))
+ {
+ datetime = mktime(&tm);
+ lua_pushnumber(L, datetime);
+ return 1;
+ }
+ else
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ } // if (strcmp(key, "Exif.Photo.Da...
lua_pushstring(L, value);
return 1;
}
luaL_openlibs(L); /* Open all libraries for lua programms */
/* Now create custom methodes to do something */
+ static const luaL_Reg meta_methods[] = {
+ {NULL, NULL}
+ };
+
+ /* The Image metatable and methodes */
+ static const luaL_Reg image_methods[] = {
+ {"get_path", lua_image_get_path},
+ {"get_name", lua_image_get_name},
+ {"get_extension", lua_image_get_extension},
+ {"get_date", lua_image_get_date},
+ {"get_size", lua_image_get_size},
+ {"get_exif", lua_image_get_exif},
+ {NULL, NULL}
+ };
+ luaL_register(L, "Image", image_methods);
+ luaL_newmetatable(L, "Image");
+ luaL_register(L, NULL, meta_methods);
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, -3);
+ lua_settable(L, -3);
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, -3);
+ lua_settable(L, -3);
+ lua_pop(L, 1);
+ lua_pop(L, 1);
+
+ /* The Exif table and methodes */
static const luaL_Reg exif_methods[] = {
{"get_datum", lua_exif_get_datum},
{NULL, NULL}
};
luaL_register(L, "Exif", exif_methods);
+ luaL_newmetatable(L, "Exif");
+ luaL_register(L, NULL, meta_methods);
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, -3);
+ lua_settable(L, -3);
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, -3);
+ lua_settable(L, -3);
+ lua_pop(L, 1);
+ lua_pop(L, 1);
}
/**
gchar *data = NULL;
gchar *dir;
gchar *path;
- FileData **user_data;
+ FileData **image_data;
+ gchar *tmp;
+ GError *error = NULL;
- user_data = (FileData **)lua_newuserdata(L, sizeof(FileData *));
- luaL_newmetatable(L, "Image");
- //luaL_getmetatable(L, "Image");
+ /* Collection Table (Dummy at the moment) */
+ lua_newtable(L);
+ lua_setglobal(L, "Collection");
+
+ /* Current Image */
+ image_data = (FileData **)lua_newuserdata(L, sizeof(FileData *));
+ luaL_getmetatable(L, "Image");
lua_setmetatable(L, -2);
lua_setglobal(L, "Image");
- *user_data = fd;
+
+ *image_data = fd;
if (file[0] == '\0')
{
result = luaL_dostring(L, function);
return data;
}
data = g_strdup(lua_tostring(L, -1));
+ tmp = g_locale_to_utf8(data, strlen(data), NULL, NULL, &error);
+ if (error)
+ {
+ log_printf("Error converting lua output from locale to UTF-8: %s\n", error->message);
+ g_error_free(error);
+ }
+ else
+ {
+ g_free(data);
+ data = g_strdup(tmp);
+ } // if (error) { ... } else
return data;
}
projects / geeqie.git / blobdiff