From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Couder Subject: [PATCH v15 04/11] trailer: process command line trailer arguments Date: Sat, 20 Sep 2014 15:45:07 +0200 Message-ID: <20140920134515.18999.32085.chriscool@tuxfamily.org> References: <20140920134048.18999.79434.chriscool@tuxfamily.org> Cc: git@vger.kernel.org, Johan Herland , Josh Triplett , Thomas Rast , Michael Haggerty , Dan Carpenter , Greg Kroah-Hartman , Jeff King , Eric Sunshine , Ramsay Jones , Jonathan Nieder , Marc Branchaud To: Junio C Hamano X-From: git-owner@vger.kernel.org Sat Sep 20 15:48:56 2014 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XVL1y-0006m9-Qz for gcvg-git-2@plane.gmane.org; Sat, 20 Sep 2014 15:48:55 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756035AbaITNsv (ORCPT ); Sat, 20 Sep 2014 09:48:51 -0400 Received: from mail-1y.bbox.fr ([194.158.98.14]:33633 "EHLO mail-1y.bbox.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754310AbaITNsh (ORCPT ); Sat, 20 Sep 2014 09:48:37 -0400 Received: from [127.0.1.1] (cha92-h01-128-78-31-246.dsl.sta.abo.bbox.fr [128.78.31.246]) by mail-1y.bbox.fr (Postfix) with ESMTP id 9C8D47E; Sat, 20 Sep 2014 15:48:35 +0200 (CEST) X-git-sha1: d8ae60e3851aa750aeb393236c46d78b64236f00 X-Mailer: git-mail-commits v0.5.2 In-Reply-To: <20140920134048.18999.79434.chriscool@tuxfamily.org> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Parse the trailer command line arguments and put the result into an arg_tok doubly linked list. Signed-off-by: Christian Couder Signed-off-by: Junio C Hamano --- trailer.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) diff --git a/trailer.c b/trailer.c index 668dc33..bf58980 100644 --- a/trailer.c +++ b/trailer.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "string-list.h" /* * Copyright (c) 2013, 2014 Christian Couder */ @@ -462,3 +463,127 @@ static int git_trailer_config(const char *conf_key, const char *value, void *cb) } return 0; } + +static int parse_trailer(struct strbuf *tok, struct strbuf *val, const char *trailer) +{ + size_t len; + struct strbuf seps = STRBUF_INIT; + strbuf_addstr(&seps, separators); + strbuf_addch(&seps, '='); + len = strcspn(trailer, seps.buf); + strbuf_release(&seps); + if (len == 0) + return error(_("empty trailer token in trailer '%s'"), trailer); + if (len < strlen(trailer)) { + strbuf_add(tok, trailer, len); + strbuf_trim(tok); + strbuf_addstr(val, trailer + len + 1); + strbuf_trim(val); + } else { + strbuf_addstr(tok, trailer); + strbuf_trim(tok); + } + return 0; +} + + +static void duplicate_conf(struct conf_info *dst, struct conf_info *src) +{ + *dst = *src; + if (src->name) + dst->name = xstrdup(src->name); + if (src->key) + dst->key = xstrdup(src->key); + if (src->command) + dst->command = xstrdup(src->command); +} + +static const char *token_from_item(struct trailer_item *item) +{ + if (item->conf.key) + return item->conf.key; + + return item->conf.name; +} + +static struct trailer_item *new_trailer_item(struct trailer_item *conf_item, + char *tok, char *val) +{ + struct trailer_item *new = xcalloc(sizeof(*new), 1); + new->value = val; + + if (conf_item) { + duplicate_conf(&new->conf, &conf_item->conf); + new->token = xstrdup(token_from_item(conf_item)); + free(tok); + } else { + duplicate_conf(&new->conf, &default_conf_info); + new->token = tok; + } + + return new; +} + +static int token_matches_item(const char *tok, struct trailer_item *item, int tok_len) +{ + if (!strncasecmp(tok, item->conf.name, tok_len)) + return 1; + return item->conf.key ? !strncasecmp(tok, item->conf.key, tok_len) : 0; +} + +static struct trailer_item *create_trailer_item(const char *string) +{ + struct strbuf tok = STRBUF_INIT; + struct strbuf val = STRBUF_INIT; + struct trailer_item *item; + int tok_len; + + if (parse_trailer(&tok, &val, string)) + return NULL; + + tok_len = token_len_without_separator(tok.buf, tok.len); + + /* Lookup if the token matches something in the config */ + for (item = first_conf_item; item; item = item->next) { + if (token_matches_item(tok.buf, item, tok_len)) { + strbuf_release(&tok); + return new_trailer_item(item, + NULL, + strbuf_detach(&val, NULL)); + } + } + + return new_trailer_item(NULL, + strbuf_detach(&tok, NULL), + strbuf_detach(&val, NULL)); +} + +static void add_trailer_item(struct trailer_item **first, + struct trailer_item **last, + struct trailer_item *new) +{ + if (!new) + return; + if (!*last) { + *first = new; + *last = new; + } else { + (*last)->next = new; + new->previous = *last; + *last = new; + } +} + +static struct trailer_item *process_command_line_args(struct string_list *trailers) +{ + struct trailer_item *arg_tok_first = NULL; + struct trailer_item *arg_tok_last = NULL; + struct string_list_item *tr; + + for_each_string_list_item(tr, trailers) { + struct trailer_item *new = create_trailer_item(tr->string); + add_trailer_item(&arg_tok_first, &arg_tok_last, new); + } + + return arg_tok_first; +} -- 2.0.3.960.g41c6e4c