diff options
Diffstat (limited to '1.4.23-rc4/apps/app_stack.c')
| -rw-r--r-- | 1.4.23-rc4/apps/app_stack.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/1.4.23-rc4/apps/app_stack.c b/1.4.23-rc4/apps/app_stack.c deleted file mode 100644 index ace440a63..000000000 --- a/1.4.23-rc4/apps/app_stack.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (c) 2004-2006 Tilghman Lesher <app_stack_v002@the-tilghman.com>. - * - * This code is released by the author with no restrictions on usage. - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief Stack applications Gosub, Return, etc. - * - * \author Tilghman Lesher <app_stack_v002@the-tilghman.com> - * - * \ingroup applications - */ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> - -#include "asterisk/options.h" -#include "asterisk/logger.h" -#include "asterisk/channel.h" -#include "asterisk/chanvars.h" -#include "asterisk/pbx.h" -#include "asterisk/module.h" -#include "asterisk/config.h" - -#define STACKVAR "~GOSUB~STACK~" - - -static const char *app_gosub = "Gosub"; -static const char *app_gosubif = "GosubIf"; -static const char *app_return = "Return"; -static const char *app_pop = "StackPop"; - -static const char *gosub_synopsis = "Jump to label, saving return address"; -static const char *gosubif_synopsis = "Conditionally jump to label, saving return address"; -static const char *return_synopsis = "Return from gosub routine"; -static const char *pop_synopsis = "Remove one address from gosub stack"; - -static const char *gosub_descrip = -"Gosub([[context|]exten|]priority)\n" -" Jumps to the label specified, saving the return address.\n"; -static const char *gosubif_descrip = -"GosubIf(condition?labeliftrue[:labeliffalse])\n" -" If the condition is true, then jump to labeliftrue. If false, jumps to\n" -"labeliffalse, if specified. In either case, a jump saves the return point\n" -"in the dialplan, to be returned to with a Return.\n"; -static const char *return_descrip = -"Return()\n" -" Jumps to the last label on the stack, removing it.\n"; -static const char *pop_descrip = -"StackPop()\n" -" Removes last label on the stack, discarding it.\n"; - - -static int pop_exec(struct ast_channel *chan, void *data) -{ - pbx_builtin_setvar_helper(chan, STACKVAR, NULL); - - return 0; -} - -static int return_exec(struct ast_channel *chan, void *data) -{ - const char *label = pbx_builtin_getvar_helper(chan, STACKVAR); - - if (ast_strlen_zero(label)) { - ast_log(LOG_ERROR, "Return without Gosub: stack is empty\n"); - return -1; - } else if (ast_parseable_goto(chan, label)) { - ast_log(LOG_WARNING, "No next statement after Gosub?\n"); - return -1; - } - - pbx_builtin_setvar_helper(chan, STACKVAR, NULL); - return 0; -} - -static int gosub_exec(struct ast_channel *chan, void *data) -{ - char newlabel[AST_MAX_EXTENSION * 2 + 3 + 11]; - struct ast_module_user *u; - - if (ast_strlen_zero(data)) { - ast_log(LOG_ERROR, "%s requires an argument: %s([[context|]exten|]priority)\n", app_gosub, app_gosub); - return -1; - } - - u = ast_module_user_add(chan); - snprintf(newlabel, sizeof(newlabel), "%s|%s|%d", chan->context, chan->exten, chan->priority + 1); - - if (ast_parseable_goto(chan, data)) { - ast_module_user_remove(u); - return -1; - } - - pbx_builtin_pushvar_helper(chan, STACKVAR, newlabel); - ast_module_user_remove(u); - - return 0; -} - -static int gosubif_exec(struct ast_channel *chan, void *data) -{ - struct ast_module_user *u; - char *condition="", *label1, *label2, *args; - int res=0; - - if (ast_strlen_zero(data)) { - ast_log(LOG_WARNING, "GosubIf requires an argument\n"); - return 0; - } - - args = ast_strdupa(data); - - u = ast_module_user_add(chan); - - condition = strsep(&args, "?"); - label1 = strsep(&args, ":"); - label2 = args; - - if (pbx_checkcondition(condition)) { - if (!ast_strlen_zero(label1)) { - res = gosub_exec(chan, label1); - } - } else if (!ast_strlen_zero(label2)) { - res = gosub_exec(chan, label2); - } - - ast_module_user_remove(u); - return res; -} - -static int unload_module(void) -{ - ast_unregister_application(app_return); - ast_unregister_application(app_pop); - ast_unregister_application(app_gosubif); - ast_unregister_application(app_gosub); - - ast_module_user_hangup_all(); - - return 0; -} - -static int load_module(void) -{ - ast_register_application(app_pop, pop_exec, pop_synopsis, pop_descrip); - ast_register_application(app_return, return_exec, return_synopsis, return_descrip); - ast_register_application(app_gosubif, gosubif_exec, gosubif_synopsis, gosubif_descrip); - ast_register_application(app_gosub, gosub_exec, gosub_synopsis, gosub_descrip); - - return 0; -} - -AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Stack Routines"); |