glib_io.c
changeset 3 4fd19a188509
parent 2 34b6fedde9eb
child 4 5770be2d5f3f
--- a/glib_io.c	Mon Feb 09 13:00:42 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,78 +0,0 @@
-
-#include <lua.h>
-#include <lauxlib.h>
-#include <glib.h>
-#include <stdio.h>    // popen, pclose, fileno
-
-#include "util.h"
-#include "glib_types.h"
-
-static gchar lglib_io_buffer[128];
-
-void lglib_io_callback_destroy (lglib_io_callback_t *cb)
-{
-	luaL_unref (cb->L, LUA_REGISTRYINDEX, cb->reference);
-	pclose (cb->fd);
-	luaL_free (cb->L, cb);
-}
-
-// data/nil
-static gboolean lglib_io_callback (GIOChannel *source, GIOCondition *condition, lglib_io_callback_t *cb)
-{
-	gsize read = 0;
-	int status;
-	lua_rawgeti (cb->L, LUA_REGISTRYINDEX, cb->reference);
-	status = g_io_channel_read_chars (source, lglib_io_buffer, 128, &read, NULL);
-	if (read) {
-		lua_pushlstring (cb->L, lglib_io_buffer, read);
-	} else if (status == G_IO_STATUS_EOF) {
-		lua_pushnil (cb->L);
-	} else {
-		return status != G_IO_STATUS_ERROR;
-	}
-	if (lua_pcall (cb->L, 1, 1, 0))
-		lua_error (cb->L);
-	return lua_toboolean (cb->L, -1);
-}
-
-// command function
-static int lglib_io_new (lua_State *L)
-{
-	const char *command = luaL_checkstring (L, 1);
-	lglib_io_callback_t *cb;
-	FILE *fd;
-	GIOChannel *channel;
-	//const char *charset;
-	luaL_argcheck (L, lua_isfunction (L, 2), 2, "function expected");
-
-	fd = popen (command, "r");
-	if (!fd) {
-		lua_pushstring (L, "Error opening pipe");
-		lua_error (L);
-	}
-	channel = g_io_channel_unix_new (fileno (fd));
-	//if (!g_get_charset (&charset))
-	//	g_io_channel_set_encoding (channel, charset, NULL);
-
-	cb = luaL_malloc (L, sizeof (lglib_io_callback_t));
-	cb->reference = luaL_ref (L, LUA_REGISTRYINDEX);
-	cb->L         = L;
-	cb->fd        = fd;
-
-	g_io_add_watch_full (channel, G_PRIORITY_HIGH_IDLE, G_IO_IN,
-				(GSourceFunc)lglib_io_callback, cb,
-				(GDestroyNotify)lglib_io_callback_destroy);
-	return 0;
-}
-
-static const luaL_Reg lglib_io_reg_f[] = {
-	{ "new", lglib_io_new },
-	{ NULL,  NULL         },
-};
-
-int luaopen_glib_io (lua_State *L)
-{
-	luaL_register (L, "g.io", lglib_io_reg_f);
-	return 1;
-}
-