*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file filter.c the stand-alone filter program */
+
+/** \file filter.c The stand-alone filter program. */
#include "para.h"
#include "filter.cmdline.h"
#include "list.h"
#include "sched.h"
+#include "ggo.h"
#include "filter.h"
#include "string.h"
#include "stdin.h"
#include "stdout.h"
#include "error.h"
-/** init the array of errors for para_filter */
+/** The list of all status items used by para_{server,audiod,gui}. */
+const char *status_item_list[] = {STATUS_ITEM_ARRAY};
+
+char *stat_item_values[NUM_STAT_ITEMS] = {NULL};
+
+/** Initialize the array of errors for para_filter. */
INIT_FILTER_ERRLISTS;
-/** the task that reads from stdin */
+/** The task that reads from stdin. */
static struct stdin_task stdin_task_struct;
-/** pointer to the stdin task */
+/** pointer to the stdin task. */
static struct stdin_task *sit = &stdin_task_struct;
-/** the task that filters the data */
+/** The task that filters the data. */
static struct filter_chain filter_chain_struct;
-/** pointer to the filter chain */
+/** Pointer to the filter chain. */
static struct filter_chain *fc = &filter_chain_struct;
-/** the task that writes converted data to stdout */
+/** The task that writes converted data to stdout. */
static struct stdout_task stdout_task_struct;
-/** pointer to the stdout task */
+/** Pointer to the stdout task. */
static struct stdout_task *sot = &stdout_task_struct;
-/** gengetopt struct that holds the command line args */
+/** Gengetopt struct that holds the command line args. */
static struct filter_args_info conf;
INIT_STDERR_LOGGING(conf.loglevel_arg);
return ret;
}
+__noreturn static void print_help_and_die(void)
+{
+ int i, d = conf.detailed_help_given;
+ const char **p = d? filter_args_info_detailed_help
+ : filter_args_info_help;
+
+ printf_or_die("%s\n\n", FILTER_CMDLINE_PARSER_PACKAGE "-"
+ FILTER_CMDLINE_PARSER_VERSION);
+ printf_or_die("%s\n\n", filter_args_info_usage);
+ for (; *p; p++)
+ printf_or_die("%s\n", *p);
+
+ printf_or_die("\nAvailable filters: \n\t");
+ FOR_EACH_SUPPORTED_FILTER(i)
+ printf_or_die("%s%s", i? " " : "", filters[i].name);
+ printf_or_die("\n\n");
+
+ FOR_EACH_SUPPORTED_FILTER(i) {
+ struct filter *f = filters + i;
+
+ if (!f->help.short_help)
+ continue;
+ printf_or_die("Options for %s:\n", f->name);
+ ggo_print_help(&f->help, d);
+ }
+ exit(0);
+}
+
static int parse_config(int argc, char *argv[])
{
static char *cf; /* config file */
struct stat statbuf;
- int i;
if (filter_cmdline_parser(argc, argv, &conf))
return -E_FILTER_SYNTAX;
HANDLE_VERSION_FLAG("filter", conf);
+ if (conf.help_given || conf.detailed_help_given)
+ print_help_and_die();
if (!cf) {
char *home = para_homedir();
cf = make_message("%s/.paraslash/filter.conf", home);
if (filter_cmdline_parser_config_file(cf, &conf, ¶ms))
return -E_FILTER_SYNTAX;
}
- if (!conf.list_filters_given)
- return 1;
- printf("available filters: ");
- for (i = 0; filters[i].name; i++)
- printf("%s%s%s", i? " " : "", filters[i].name,
- filters[i].parse_config? "*": "");
- printf("\nFilters marked with \"*\" have further command line options. Try\n"
- "\tpara_filter -f '<filtername> -h'\nfor more information.\n");
- exit(EXIT_SUCCESS);
+ return 1;
}
/**
- * para_filter's main function.
+ * The main function of para_filter.
*
- * para_filter reads data from stdin, converts it by using a chain
+ * Para_filter reads data from stdin, converts it by using a chain
* of filters (specified on the command line) and writes the resulting
* data to stdout.
*
- * \param argc number of command line options
- * \param argv vector of arguments
+ * \param argc Number of command line options.
+ * \param argv Vector of arguments.
*
* \return \a EXIT_SUCCESS on success, EXIT_FAILURE on errors.
*/
ret = init_filter_chain();
if (ret < 0)
goto out;
+ sit->output_error = &fc->task.error;
stdout_set_defaults(sot);
sot->buf = fc->outbuf;