X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=interactive.c;h=7327ee168eaf264c6830a1ed54052972ff244ce5;hp=a35a82b3867b75bff62ec44fb6da5592954b02cf;hb=78f42703571424f6d409a709fead7377f7a10616;hpb=99eaf79ebdb45f935eb9d8b60cc0889e09d5b6df

diff --git a/interactive.c b/interactive.c
index a35a82b..7327ee1 100644
--- a/interactive.c
+++ b/interactive.c
@@ -1,28 +1,49 @@
+/*
+ * Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
+/** \file interactive.c \brief Commands for interactive mode. */
+
 #include <ctype.h> /* isspace() */
 
 #include "adu.h"
 #include "format.h"
-#include "select.h"
+#include "user.h"
 #include "string.h"
+#include "select.cmdline.h"
+#include "select.h"
 #include "error.h"
-#include "cmdline.h"
 
+/**
+ * Describes one valid command for interactive mode.
+ *
+ * When invoked in interactive mode, adu reads commands from stdin. There's a
+ * static array of all such commands.
+ */
 struct interactive_command {
+	/** The name of the command. */
 	const char *name;
+	/** Pointer to The function that is being executed. */
 	int (*handler)(char *);
+	/** Help text. */
 	const char *desc;
 };
 
 static struct uid_range *admissible_uids;
 static struct format_info *fi;
 
+/** The set of supported interactive commands. */
 #define INTERACTIVE_COMMANDS \
 	INTERACTIVE_COMMAND(set, "change the current configuration") \
 	INTERACTIVE_COMMAND(reset, "reset configuration to defaults") \
 	INTERACTIVE_COMMAND(help, "show list of commands and one-line descriptions") \
-	INTERACTIVE_COMMAND(run, "start the query according to the current configuration")
+	INTERACTIVE_COMMAND(run, "start the query according to the current configuration") \
+	INTERACTIVE_COMMAND(source, "read and execute interactive commands from a file")
 
 
+/** \cond doxygen is not smart enough for this */
 #define INTERACTIVE_COMMAND(name, desc) \
 	static int icom_ ## name (char *line);
 
@@ -41,7 +62,9 @@ struct interactive_command icmds[] = {
 	INTERACTIVE_COMMANDS
 	{.name  = NULL}
 };
+/** \endcond */
 
+/** Iterate over the list of all interactive commands. */
 #define FOR_EACH_COMMAND(c) for (c = icmds; c->name; c++)
 
 static int read_input_line(char *line, size_t size)
@@ -63,19 +86,30 @@ static int icom_help(__a_unused char *line)
 	return 1;
 }
 
+/**
+ * Print the list of commands with short descriptions.
+ */
 void print_interactive_help(void)
 {
-	icom_help(NULL);
+	struct interactive_command *c;
+	FOR_EACH_COMMAND(c)
+		fprintf(stdout, "\t%s\t%s\n", c->name, c->desc);
 }
 
 static int icom_reset(__a_unused char *line)
 {
+	NOTICE_LOG("resetting configuration to default\n");
+	free_format_info(fi);
+	fi = NULL;
+	free(admissible_uids);
+	admissible_uids = NULL;
 	select_cmdline_parser_init(&select_conf);
-	return 1;
+	return parse_select_options(NULL, NULL, &admissible_uids, &fi);
 }
 
 static int icom_set(char *line)
 {
+	int ret;
 	struct select_cmdline_parser_params params = {
 		.override = 1,
 		.initialize = 0,
@@ -88,7 +122,14 @@ static int icom_set(char *line)
 		return 1;
 	}
 
-	return parse_select_options(line, &params, &admissible_uids, &fi);
+	free_format_info(fi);
+	fi = NULL;
+	free(admissible_uids);
+	admissible_uids = NULL;
+	ret = parse_select_options(line, &params, &admissible_uids, &fi);
+	if (ret >= 0)
+		return ret;
+	return icom_reset(NULL);
 }
 
 static int exec_interactive_command(char *line)
@@ -113,6 +154,8 @@ static int exec_interactive_command(char *line)
 	if (!*line)
 		return 1;
 	/* OK, we have a non-empty line */
+	if (*line == '#')
+		return 1;
 	cmd = adu_strdup(line);
 	args = cmd + strcspn(cmd, delim);
 	if (!*args)
@@ -120,7 +163,7 @@ static int exec_interactive_command(char *line)
 	else {
 		*args = '\0';
 		args++;
-		/* let p point to the next non-whitespace char */
+		/* let args point to the next non-whitespace char */
 		args += strspn(args, delim);
 		if (!*args)
 			args = NULL;
@@ -137,12 +180,42 @@ static int exec_interactive_command(char *line)
 	return ret;
 }
 
+static int icom_source(char *args)
+{
+	char line[255];
+	FILE *src = fopen(args, "r");
+	int ret;
+
+	if (!src)
+		return -ERRNO_TO_ERROR(errno);
+	while (fgets(line, sizeof(line), src)) {
+		ret = exec_interactive_command(line);
+		if (ret < 0)
+			goto out;
+	}
+	ret = 1;
+out:
+	fclose(src);
+	return ret;
+}
+
+/**
+ * The main function for interactive mode.
+ *
+ * \return Standard.
+ */
 int com_interactive(void)
 {
 	char line[255];
 	int ret = 1;
 
 	select_cmdline_parser_init(&select_conf);
+	ret = parse_select_options(NULL, NULL, &admissible_uids, &fi);
+	if (ret< 0)
+		return ret;
+	ret = read_uid_file();
+	if (ret < 0)
+		return ret;
 	while (read_input_line(line, sizeof(line)) >= 0) {
 		ret = exec_interactive_command(line);
 		if (ret < 0)