Merged revisions 335014 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/10

........
  r335014 | irroot | 2011-09-09 09:23:53 +0200 (Fri, 09 Sep 2011) | 9 lines
  
  
  Move code for VALID_EXTEN from app_readexten to func_dialplan
  
  Mark VALID_EXTEN deprecated.
  
  Review: https://reviewboard.asterisk.org/r/1396/
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@335015 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 69 insertions, 6 deletions

diff --git a/funcs/func_dialplan.c b/funcs/func_dialplan.c
index c39b3e376..06ba583c1 100644
--- a/funcs/func_dialplan.c
+++ b/funcs/func_dialplan.c
@@ -51,11 +51,29 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			<para>This function returns <literal>1</literal> if the target exits. Otherwise, it returns <literal>0</literal>.</para>
 		</description>
 	</function>
-
+	<function name="VALID_EXTEN" language="en_US">
+		<synopsis>
+			Determine whether an extension exists or not.
+		</synopsis>
+		<syntax>
+			<parameter name="context">
+				<para>Defaults to the current context</para>
+			</parameter>
+			<parameter name="extension" required="true" />
+			<parameter name="priority">
+				<para>Priority defaults to <literal>1</literal>.</para>
+			</parameter>
+		</syntax>
+		<description>
+			<para>Returns a true value if the indicated <replaceable>context</replaceable>,
+			<replaceable>extension</replaceable>, and <replaceable>priority</replaceable> exist.</para>
+			<warning><para>This function has been deprecated in favor of the <literal>DIALPLAN_EXISTS()</literal> function</para></warning>
+		</description>
+	</function>
  ***/
 
-static int isexten_function_read(struct ast_channel *chan, const char *cmd, char *data, 
-	char *buf, size_t len) 
+static int isexten_function_read(struct ast_channel *chan, const char *cmd, char *data,
+	char *buf, size_t len)
 {
 	char *parse;
 	AST_DECLARE_APP_ARGS(args,
@@ -102,7 +120,43 @@ static int isexten_function_read(struct ast_channel *chan, const char *cmd, char
 		ast_log(LOG_ERROR, "Invalid arguments provided to DIALPLAN_EXISTS\n");
 		return -1;
 	}
-	
+
+	return 0;
+}
+
+static int acf_isexten_exec(struct ast_channel *chan, const char *cmd, char *parse, char *buffer, size_t buflen)
+{
+	int priority_int;
+	AST_DECLARE_APP_ARGS(args,
+		AST_APP_ARG(context);
+		AST_APP_ARG(extension);
+		AST_APP_ARG(priority);
+	);
+
+	AST_STANDARD_APP_ARGS(args, parse);
+
+	if (ast_strlen_zero(args.context)) {
+		args.context = chan->context;
+	}
+
+	if (ast_strlen_zero(args.extension)) {
+		ast_log(LOG_WARNING, "Syntax: VALID_EXTEN([<context>],<extension>[,<priority>]) - missing argument <extension>!\n");
+		return -1;
+	}
+
+	if (ast_strlen_zero(args.priority)) {
+		priority_int = 1;
+	} else {
+		priority_int = atoi(args.priority);
+	}
+
+	if (ast_exists_extension(chan, args.context, args.extension, priority_int,
+		S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
+	    ast_copy_string(buffer, "1", buflen);
+	} else {
+	    ast_copy_string(buffer, "0", buflen);
+	}
+
 	return 0;
 }
 
@@ -112,14 +166,23 @@ static struct ast_custom_function isexten_function = {
 	.read_max = 2,
 };
 
+static struct ast_custom_function acf_isexten = {
+	.name = "VALID_EXTEN",
+	.read = acf_isexten_exec,
+};
+
 static int unload_module(void)
 {
-	return ast_custom_function_unregister(&isexten_function);
+	int res = ast_custom_function_unregister(&isexten_function);
+	res |= ast_custom_function_unregister(&acf_isexten);
+	return res;
 }
 
 static int load_module(void)
 {
-	return ast_custom_function_register(&isexten_function);
+	int res = ast_custom_function_register(&isexten_function);
+	res |= ast_custom_function_register(&acf_isexten);
+	return res;
 }
 
 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialplan Context/Extension/Priority Checking Functions");