src/script.c

   1 /* Copyright (c) 2008 Sadrul Habib Chowdhury (sadrul@users.sf.net)
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 3, or (at your option)
   6  * any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program (see the file COPYING); if not, write to the
  15  * Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  17  *
  18  ****************************************************************
  19  */
  20
  21 #include "config.h"
  22 #include "screen.h"
  23
  24 struct scripts
  25 {
  26   struct scripts *s_next;
  27   struct ScriptFuncs *fns;
  28 };
  29
  30 struct scripts *scripts;
  31
  32 static void
  33 AddScript(struct ScriptFuncs *sf)
  34 {
  35   struct scripts *ns = (struct scripts *)calloc(1, sizeof(*ns));
  36   if (!ns)
  37     return;
  38   ns->fns = sf;
  39   ns->s_next = scripts;
  40   scripts = ns;
  41 }
  42
  43 #define ALL_SCRIPTS(fn, params, stop) do { \
  44   struct scripts *iter; \
  45   for (iter = scripts; iter; iter = iter->s_next) \
  46     { \
  47       if (iter->fns->fn && (ret = (iter->fns->fn params)) && stop) \
  48         break; \
  49     } \
  50 } while (0)
  51
  52 void ScriptInit(void)
  53 {
  54   int ret;
  55   ALL_SCRIPTS(sf_Init, (), 0);
  56 }
  57
  58 void ScriptFinit(void)
  59 {
  60   int ret;
  61   ALL_SCRIPTS(sf_Finit, (), 0);
  62 }
  63
  64 void ScriptForeWindowChanged(void)
  65 {
  66   int ret;
  67   ALL_SCRIPTS(sf_ForeWindowChanged, (), 0);
  68 }
  69
  70 void ScriptSource(int argc, const char **argv)
  71 {
  72   int ret;
  73   int async = 0;
  74   const char *binding = 0, *path;
  75
  76   while (*argv && **argv == '-') {
  77       // check for (-a | -async)
  78       if ((*argv[1] == 'a' && !*argv[2])
  79           || strcmp(*argv, "-async") == 0)
  80         async = 1;
  81       // check for (-b | -binding)
  82       else if ((*argv[1] == 'b' && !*argv[2])
  83                || strcmp(*argv, "-binding") == 0) {
  84           argv++;
  85           binding = *argv;
  86       }
  87       argv++;
  88   }
  89
  90   path = *argv;
  91   if (!binding) {
  92   /* If one script loader accepts the file, we don't send it to any other loader */
  93   ALL_SCRIPTS(sf_Source, (path), 1);
  94   } else {
  95       //TODO: select the specified engine.
  96   }
  97 }
  98
  99 int ScriptProcessCaption(const char *str, struct win *win, int len)
 100 {
 101   int ret = 0;
 102   ALL_SCRIPTS(sf_ProcessCaption, (str, win, len), 1);
 103   return ret;
 104 }
 105
 106 int ScriptCommandExecuted(const char *command, const char **args, int argc)
 107 {
 108   int ret = 0;
 109   ALL_SCRIPTS(sf_CommandExecuted, (command, args, argc), 0);
 110   return ret;
 111 }
 112
 113 #define HAVE_LUA 1   /* XXX: Remove */
 114 #if HAVE_LUA
 115 extern struct ScriptFuncs LuaFuncs;
 116 #endif
 117
 118 void LoadScripts(void)
 119 {
 120   /* XXX: We could load the script loaders dynamically */
 121 #if HAVE_LUA
 122   AddScript(&LuaFuncs);
 123 #endif
 124 }
 125