add support for 'show functions like <text>' (issue #5923)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7339 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx.c b/pbx.c
index f437b27a76f0c5ac12cb9360ed262b00d039702a..0c0cb668a7d6886ef8b64e2f7eeed8a288bcc5a2 100644 (file)
--- a/pbx.c
+++ b/pbx.c
@@ -1163,13 +1163,36 @@ static int handle_show_functions(int fd, int argc, char *argv[])
 {
        struct ast_custom_function *acf;
        int count_acf = 0;
+       int print_acf = 0;
+       int like = 0;
 
-       ast_cli(fd, "Installed Custom Functions:\n--------------------------------------------------------------------------------\n");
+       if (argc == 4 && (!strcmp(argv[2], "like")) ) {
+               like = 1;
+       } else if (argc != 2) {
+               return RESULT_SHOWUSAGE;
+       }
+
+       ast_cli(fd, "%s Custom Functions:\n--------------------------------------------------------------------------------\n", like ? "Matching" : "Installed");
+       
        for (acf = acf_root ; acf; acf = acf->next) {
-               ast_cli(fd, "%-20.20s  %-35.35s  %s\n", acf->name, acf->syntax, acf->synopsis);
-               count_acf++;
+               print_acf = 0;
+               if (like) {
+                       if (strstr(acf->name, argv[3])) {
+                               print_acf = 1;
+                               count_acf++;
+                       }
+               } else {
+                       print_acf = 1;
+                       count_acf++;
+               } 
+
+               if (print_acf) {
+                       ast_cli(fd, "%-20.20s  %-35.35s  %s\n", acf->name, acf->syntax, acf->synopsis);
+               }
        }
-       ast_cli(fd, "%d custom functions installed.\n", count_acf);
+
+       ast_cli(fd, "%d %scustom functions installed.\n", count_acf, like ? "matching " : "");
+
        return 0;
 }
 
@@ -2966,8 +2989,8 @@ static char show_application_help[] =
 "       Describes a particular application.\n";
 
 static char show_functions_help[] =
-"Usage: show functions\n"
-"       List builtin functions accessable as $(function args)\n";
+"Usage: show functions [like <text>]\n"
+"       List builtin functions, optionally only those matching a given string\n";
 
 static char show_function_help[] =
 "Usage: show function <function>\n"