X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter.c;h=52a1ce5bf05c85c514f56e67cc4cf5ff5da6ce30;hp=608bb8b3bf5eedd8c1bac69d6454f857cb6efaeb;hb=9952460ad9bd3e4aa7db6107d0b52981ad327258;hpb=7d1805d1559e08e0af701155574aef220925d411 diff --git a/filter.c b/filter.c index 608bb8b3..52a1ce5b 100644 --- a/filter.c +++ b/filter.c @@ -1,19 +1,7 @@ /* - * Copyright (C) 2005-2006 Andre Noll + * Copyright (C) 2005-2007 Andre Noll * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file filter.c the stand-alone filter program */ @@ -28,30 +16,30 @@ #include "stdout.h" #include "error.h" +/** init the array of errors for para_filter */ INIT_FILTER_ERRLISTS; +/** the task that reads from stdin */ static struct stdin_task stdin_task_struct; +/** pointer to the stdin task */ static struct stdin_task *sit = &stdin_task_struct; + +/** the task that filters the data */ static struct filter_chain filter_chain_struct; +/** pointer to the filter chain */ static struct filter_chain *fc = &filter_chain_struct; + +/** the task that writes converted data to stdout */ static struct stdout_task stdout_task_struct; +/** pointer to the stdout task */ static struct stdout_task *sot = &stdout_task_struct; -struct gengetopt_args_info conf; +/** gengetopt struct that holds the command line args */ +static struct filter_args_info conf; -__printf_2_3 void para_log(int ll, const char* fmt,...) -{ - va_list argp; - - /* ignore log message if loglevel is not high enough */ - if (ll < conf.loglevel_arg) - return; - va_start(argp, fmt); - vfprintf(stderr, fmt, argp); - va_end(argp); -} +INIT_STDERR_LOGGING(conf.loglevel_arg); -void filter_event_handler(struct task *t) +static void filter_event_handler(struct task *t) { PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t->ret)); unregister_task(t); @@ -69,7 +57,6 @@ static void open_filters(void) } } - static int init_filter_chain(void) { int i, filter_num; @@ -113,15 +100,22 @@ static int parse_config(int argc, char *argv[]) struct stat statbuf; int i; - if (cmdline_parser(argc, argv, &conf)) + if (filter_cmdline_parser(argc, argv, &conf)) return -E_FILTER_SYNTAX; + HANDLE_VERSION_FLAG("filter", conf); if (!cf) { char *home = para_homedir(); cf = make_message("%s/.paraslash/filter.conf", home); free(home); } if (!stat(cf, &statbuf)) { - if (cmdline_parser_configfile(cf, &conf, 0, 0, 0)) + struct filter_cmdline_parser_params params = { + .override = 0, + .initialize = 0, + .check_required = 0, + .check_ambiguity = 0 + }; + if (filter_cmdline_parser_config_file(cf, &conf, ¶ms)) return -E_FILTER_SYNTAX; } if (!conf.list_filters_given) @@ -135,12 +129,23 @@ static int parse_config(int argc, char *argv[]) exit(EXIT_SUCCESS); } +/** + * para_filter's main function. + * + * 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 + * + * \return \a EXIT_SUCCESS on success, EXIT_FAILURE on errors. + */ int main(int argc, char *argv[]) { int ret; struct sched s; - init_sched(); stdin_set_defaults(sit); sit->buf = para_malloc(sit->bufsize), @@ -157,12 +162,12 @@ int main(int argc, char *argv[]) sot->loaded = fc->out_loaded; sot->input_eof = &fc->eof; - register_task(&sot->task); - register_task(&fc->task); register_task(&sit->task); + register_task(&fc->task); + register_task(&sot->task); s.default_timeout.tv_sec = 1; s.default_timeout.tv_usec = 0; - ret = sched(&s); + ret = schedule(&s); out: free(sit->buf); close_filters(fc);