diff -r 34b6fedde9eb -r 4fd19a188509 glib_io.c --- 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 -#include -#include -#include // 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; -} -