Add "core dump funcdocs" CLI command

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@72922 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/pbx.c

@@ -3154,7 +3154,7 @@ static int handle_show_application(int fd, int argc, char *argv[])
 }
 
 #ifdef AST_DEVMODE
-static char *handle_core_dumpappdocs(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+static char *handle_core_dump_appdocs(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
 {
 	struct ast_app *app;
 	FILE *f;
@@ -3210,6 +3210,85 @@ static char *handle_core_dumpappdocs(struct ast_cli_entry *e, int cmd, struct as
 
 	return CLI_SUCCESS;
 }
+
+static void funcdocs_write_section(FILE *f, const char *name)
+{
+	char *section, *cur;
+
+	cur = section = alloca(strlen(name) * 2 + 1);
+
+	for (; *name; name++) {
+		if (*name == '_')
+			*cur++ = '\\';
+		*cur++ = *name;
+	}
+	*cur = '\0';
+
+	fprintf(f, "\\section{%s}\n", section);
+}
+
+static char *handle_core_dump_funcdocs(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	struct ast_custom_function *acf;
+	FILE *f;
+	char *funcname = NULL;
+	const char *fn = "/tmp/ast_funcdocs.tex";
+
+	switch (cmd) {
+	case CLI_INIT:
+		e->command = "core dump funcdocs";
+		e->usage =
+			"Usage: core dump funcdocs [function]\n"
+			"       Dump Application documentation to /tmp/ast_funcdocs.tex.\n";
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	if (a->argc == e->args + 1)
+		funcname = a->argv[e->args];
+	else if (a->argc != e->args)
+		return CLI_SHOWUSAGE;
+
+	if (!(f = fopen(fn, "w+"))) {
+		ast_cli(a->fd, "Unable to open %s for writing!\n", fn);
+		return CLI_FAILURE;
+	}
+
+	fprintf(f, "%% This file is automatically generated by the \"core dump funcdocs\" CLI command.  Any manual edits will be lost.\n");
+
+	AST_RWLIST_RDLOCK(&acf_root);
+	AST_RWLIST_TRAVERSE(&acf_root, acf, acflist) {
+		if (funcname && strcasecmp(acf->name, funcname))
+			continue;
+
+		funcdocs_write_section(f, acf->name);
+
+		fprintf(f, "\\subsection{Syntax}\n"
+				"\\begin{verbatim}\n"
+				"%s\n"
+				"\\end{verbatim}\n"
+				"\\subsection{Synopsis}\n"
+				"\\begin{verbatim}\n"
+				"%s\n"
+				"\\end{verbatim}\n"
+				"\\subsection{Description}\n"
+				"\\begin{verbatim}\n"
+				"%s\n"
+				"\\end{verbatim}\n\n\n", 
+				acf->syntax, acf->synopsis, acf->desc);
+
+		if (funcname)
+			break;
+	}
+	AST_RWLIST_UNLOCK(&acf_root);
+
+	fclose(f);
+
+	ast_cli(a->fd, "Documentation has been dumped to %s\n", fn);
+
+	return CLI_SUCCESS;
+}
 #endif
 
 /*! \brief  handle_show_hints: CLI support for listing registered dial plan hints */
@@ -3879,7 +3958,8 @@ static struct ast_cli_entry pbx_cli[] = {
 	show_application_help, complete_show_application },
 
 #ifdef AST_DEVMODE
-	NEW_CLI(handle_core_dumpappdocs, "Dump application documentation in LaTeX format"),
+	NEW_CLI(handle_core_dump_appdocs, "Dump application documentation in LaTeX format"),
+	NEW_CLI(handle_core_dump_funcdocs, "Dump function documentation in LaTeX format"),
 #endif
 
 	{ { "core", "set", "global", NULL },