add stripped oslib for lua ext.

6 files changed, 176 insertions, 9 deletions

diff --git a/lua/Makefile.am b/lua/Makefile.am
index cc938f3..7ac6fda 100644
--- a/lua/Makefile.am
+++ b/lua/Makefile.am
@@ -26,6 +26,7 @@ libpylua_la_SOURCES = \
 	lua-plugin.h \
 	lua-plugin.c \
 	lua-plugin-init.c \
+	lmyoslib.c \
 	$(NULL)
 
 libpylua_la_CFLAGS = \
diff --git a/lua/lmyoslib.c b/lua/lmyoslib.c
new file mode 100644
index 0000000..65da1f4
--- /dev/null
+++ b/lua/lmyoslib.c
@@ -0,0 +1,163 @@
+/*
+** $Id: loslib.c,v 1.19.1.3 2008/01/18 16:38:18 roberto Exp $
+** Standard Operating System library
+** See Copyright Notice in lua.h
+*/
+
+
+#include <errno.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define loslib_c
+#define LUA_LIB
+
+#include "lua.h"
+
+#include "lauxlib.h"
+#include "lualib.h"
+
+
+
+/*
+** {======================================================
+** Time/Date operations
+** { year=%Y, month=%m, day=%d, hour=%H, min=%M, sec=%S,
+**   wday=%w+1, yday=%j, isdst=? }
+** =======================================================
+*/
+
+static void setfield (lua_State *L, const char *key, int value) {
+  lua_pushinteger(L, value);
+  lua_setfield(L, -2, key);
+}
+
+static void setboolfield (lua_State *L, const char *key, int value) {
+  if (value < 0)  /* undefined? */
+    return;  /* does not set field */
+  lua_pushboolean(L, value);
+  lua_setfield(L, -2, key);
+}
+
+static int getboolfield (lua_State *L, const char *key) {
+  int res;
+  lua_getfield(L, -1, key);
+  res = lua_isnil(L, -1) ? -1 : lua_toboolean(L, -1);
+  lua_pop(L, 1);
+  return res;
+}
+
+
+static int getfield (lua_State *L, const char *key, int d) {
+  int res;
+  lua_getfield(L, -1, key);
+  if (lua_isnumber(L, -1))
+    res = (int)lua_tointeger(L, -1);
+  else {
+    if (d < 0)
+      return luaL_error(L, "field " LUA_QS " missing in date table", key);
+    res = d;
+  }
+  lua_pop(L, 1);
+  return res;
+}
+
+
+static int os_date (lua_State *L) {
+  const char *s = luaL_optstring(L, 1, "%c");
+  time_t t = luaL_opt(L, (time_t)luaL_checknumber, 2, time(NULL));
+  struct tm *stm;
+  if (*s == '!') {  /* UTC? */
+    stm = gmtime(&t);
+    s++;  /* skip `!' */
+  }
+  else
+    stm = localtime(&t);
+  if (stm == NULL)  /* invalid date? */
+    lua_pushnil(L);
+  else if (strcmp(s, "*t") == 0) {
+    lua_createtable(L, 0, 9);  /* 9 = number of fields */
+    setfield(L, "sec", stm->tm_sec);
+    setfield(L, "min", stm->tm_min);
+    setfield(L, "hour", stm->tm_hour);
+    setfield(L, "day", stm->tm_mday);
+    setfield(L, "month", stm->tm_mon+1);
+    setfield(L, "year", stm->tm_year+1900);
+    setfield(L, "wday", stm->tm_wday+1);
+    setfield(L, "yday", stm->tm_yday+1);
+    setboolfield(L, "isdst", stm->tm_isdst);
+  }
+  else {
+    char cc[3];
+    luaL_Buffer b;
+    cc[0] = '%'; cc[2] = '\0';
+    luaL_buffinit(L, &b);
+    for (; *s; s++) {
+      if (*s != '%' || *(s + 1) == '\0')  /* no conversion specifier? */
+        luaL_addchar(&b, *s);
+      else {
+        size_t reslen;
+        char buff[200];  /* should be big enough for any conversion result */
+        cc[1] = *(++s);
+        reslen = strftime(buff, sizeof(buff), cc, stm);
+        luaL_addlstring(&b, buff, reslen);
+      }
+    }
+    luaL_pushresult(&b);
+  }
+  return 1;
+}
+
+
+static int os_time (lua_State *L) {
+  time_t t;
+  if (lua_isnoneornil(L, 1))  /* called without args? */
+    t = time(NULL);  /* get current time */
+  else {
+    struct tm ts;
+    luaL_checktype(L, 1, LUA_TTABLE);
+    lua_settop(L, 1);  /* make sure table is at the top */
+    ts.tm_sec = getfield(L, "sec", 0);
+    ts.tm_min = getfield(L, "min", 0);
+    ts.tm_hour = getfield(L, "hour", 12);
+    ts.tm_mday = getfield(L, "day", -1);
+    ts.tm_mon = getfield(L, "month", -1) - 1;
+    ts.tm_year = getfield(L, "year", -1) - 1900;
+    ts.tm_isdst = getboolfield(L, "isdst");
+    t = mktime(&ts);
+  }
+  if (t == (time_t)(-1))
+    lua_pushnil(L);
+  else
+    lua_pushnumber(L, (lua_Number)t);
+  return 1;
+}
+
+
+static int os_difftime (lua_State *L) {
+  lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)),
+                             (time_t)(luaL_optnumber(L, 2, 0))));
+  return 1;
+}
+
+/* }====================================================== */
+
+
+static const luaL_Reg syslib[] = {
+  {"date",      os_date},
+  {"difftime",  os_difftime},
+  {"time",      os_time},
+  {NULL, NULL}
+};
+
+/* }====================================================== */
+
+
+
+LUALIB_API int luaopen_myos (lua_State *L) {
+  luaL_register(L, LUA_OSLIBNAME, syslib);
+  return 1;
+}
+
diff --git a/lua/lua-ext-console.c b/lua/lua-ext-console.c
index 352f2af..a02b55a 100644
--- a/lua/lua-ext-console.c
+++ b/lua/lua-ext-console.c
@@ -44,23 +44,24 @@ int print_lua_call_result(IBusEnginePlugin * plugin, size_t num){
     for ( i = 0; i < results->len; ++i) {
       const lua_command_candidate_t * result = g_array_index(results, const lua_command_candidate_t *, i);
       if (result->content)
-          printf("%d.%s >\t", i, result->content);
+          printf("%d.%s >\t", (int)i, result->content);
       else{
-          printf("%d. %s [%s]\t", i, result->suggest, result->help);
+          printf("%d. %s [%s]\t", (int)i, result->suggest, result->help);
       }
     }
     printf("\n");
   }
+  return 0;
 }
 
 int do_lua_call(IBusEnginePlugin * plugin, const char * command_name, const char * argument){
   const lua_command_t * command;
   size_t num;
 
-  g_return_if_fail(2 == strlen(command_name));
+  g_return_val_if_fail(2 == strlen(command_name), 2);
   command = ibus_engine_plugin_lookup_command(plugin, command_name);
   if ( NULL == command) {
-    fprintf(stderr, "command %s doesn't exist.\n", command);
+    fprintf(stderr, "command %s doesn't exist.\n", command_name);
     return 1;
   }
 
diff --git a/lua/lua-plugin-init.c b/lua/lua-plugin-init.c
index d381308..901f62e 100644
--- a/lua/lua-plugin-init.c
+++ b/lua/lua-plugin-init.c
@@ -12,7 +12,7 @@ static const luaL_Reg lualibs[] = {
   {"", luaopen_base},
   {LUA_TABLIBNAME, luaopen_table},
   {LUA_IOLIBNAME, luaopen_io},
-  {LUA_OSLIBNAME, luaopen_os},
+  {LUA_OSLIBNAME, luaopen_myos},
   {LUA_STRLIBNAME, luaopen_string},
   {LUA_MATHLIBNAME, luaopen_math},
   {LUA_IMELIBNAME, luaopen_ime},
@@ -202,7 +202,7 @@ static int ime_register_trigger(lua_State * L){
   for ( i = 0; i < num; ++i) {
     lua_pushinteger(L, i + 1);
     lua_gettable(L, 3);
-    fprintf(stderr, "%d:%s\t", i + 1, lua_tostring(L, -1));
+    fprintf(stderr, "%d:%s\t", (int)i + 1, lua_tostring(L, -1));
     lua_pop(L, 1);
   }
   fprintf(stderr, "\n");
@@ -213,7 +213,7 @@ static int ime_register_trigger(lua_State * L){
   for ( i = 0; i < num; ++i) {
     lua_pushinteger(L, i + 1);
     lua_gettable(L, 4);
-    fprintf(stderr, "%d:%s\t", i + 1, lua_tostring(L, -1));
+    fprintf(stderr, "%d:%s\t", (int) i + 1, lua_tostring(L, -1));
   }
   fprintf(stderr, "\n");
 
diff --git a/lua/lua-plugin.c b/lua/lua-plugin.c
index 7d16bb4..e2c68f2 100644
--- a/lua/lua-plugin.c
+++ b/lua/lua-plugin.c
@@ -148,9 +148,9 @@ gboolean ibus_engine_plugin_add_command(IBusEnginePlugin * plugin, lua_command_t
   lua_command_t new_command;
   lua_command_clone(command, &new_command);
 
-  g_array_append_val(priv->lua_commands, new_command);
+  g_array_append_val(lua_commands, new_command);
   /* Note: need to improve speed here? */
-  g_array_sort(priv->lua_commands, compare_command);
+  g_array_sort(lua_commands, compare_command);
 
   return TRUE;
 }
diff --git a/lua/lua-plugin.h b/lua/lua-plugin.h
index 86e5dee..11c024f 100644
--- a/lua/lua-plugin.h
+++ b/lua/lua-plugin.h
@@ -5,6 +5,8 @@
 
 #define LUA_IMELIBNAME   "ime"
 LUALIB_API int (luaopen_ime) (lua_State * L);
+LUALIB_API int (luaopen_myos) (lua_State * L);
+
 #define LUA_IMELIB_CONTEXT "__context"
 
 typedef struct{