From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Roben Subject: [PATCH 3/9] git-cat-file: Make option parsing a little more flexible Date: Mon, 22 Oct 2007 22:46:31 -0700 Message-ID: <1193118397-4696-4-git-send-email-aroben@apple.com> References: <1193118397-4696-1-git-send-email-aroben@apple.com> <1193118397-4696-2-git-send-email-aroben@apple.com> <1193118397-4696-3-git-send-email-aroben@apple.com> Cc: Junio C Hamano , Adam Roben To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Tue Oct 23 07:47:27 2007 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1IkCbu-0007N2-LW for gcvg-git-2@gmane.org; Tue, 23 Oct 2007 07:47:27 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751837AbXJWFrQ (ORCPT ); Tue, 23 Oct 2007 01:47:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751738AbXJWFrQ (ORCPT ); Tue, 23 Oct 2007 01:47:16 -0400 Received: from mail-out4.apple.com ([17.254.13.23]:57262 "EHLO mail-out4.apple.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433AbXJWFrM (ORCPT ); Tue, 23 Oct 2007 01:47:12 -0400 Received: from relay14.apple.com (relay14.apple.com [17.128.113.52]) by mail-out4.apple.com (Postfix) with ESMTP id 5F04516874AC; Mon, 22 Oct 2007 22:47:11 -0700 (PDT) Received: from relay14.apple.com (unknown [127.0.0.1]) by relay14.apple.com (Symantec Mail Security) with ESMTP id 3E58B28092; Mon, 22 Oct 2007 22:47:11 -0700 (PDT) X-AuditID: 11807134-a6e5cbb000000c52-5e-471d8adf0054 Received: from localhost.localdomain (aroben3.apple.com [17.203.12.72]) by relay14.apple.com (Apple SCV relay) with ESMTP id 200CD28086; Mon, 22 Oct 2007 22:47:11 -0700 (PDT) X-Mailer: git-send-email 1.5.3.4.1333.ga2f32 In-Reply-To: <1193118397-4696-3-git-send-email-aroben@apple.com> X-Brightmail-Tracker: AAAAAA== Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: This will make it easier to add newer options later. Signed-off-by: Adam Roben --- builtin-cat-file.c | 42 ++++++++++++++++++++++++++++++------------ 1 files changed, 30 insertions(+), 12 deletions(-) diff --git a/builtin-cat-file.c b/builtin-cat-file.c index 34a63d1..3a0be4a 100644 --- a/builtin-cat-file.c +++ b/builtin-cat-file.c @@ -143,23 +143,41 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name) return 0; } +static const char cat_file_usage[] = "git-cat-file [-t|-s|-e|-p|] "; + int cmd_cat_file(int argc, const char **argv, const char *prefix) { - int opt; - const char *exp_type, *obj_name; + int i, opt = 0; + const char *exp_type = 0, *obj_name = 0; git_config(git_default_config); - if (argc != 3) - usage("git-cat-file [-t|-s|-e|-p|] "); - exp_type = argv[1]; - obj_name = argv[2]; - - opt = 0; - if ( exp_type[0] == '-' ) { - opt = exp_type[1]; - if ( !opt || exp_type[2] ) - opt = -1; /* Not a single character option */ + + for (i = 1; i < argc; ++i) { + const char *arg = argv[i]; + + if (!strcmp(arg, "-t") || !strcmp(arg, "-s") || !strcmp(arg, "-e") || !strcmp(arg, "-p")) { + exp_type = arg; + opt = exp_type[1]; + continue; + } + + if (arg[0] == '-') + usage(cat_file_usage); + + if (!exp_type) { + exp_type = arg; + continue; + } + + if (obj_name) + usage(cat_file_usage); + + obj_name = arg; + break; } + if (!exp_type || !obj_name) + usage(cat_file_usage); + return cat_one_file(opt, exp_type, obj_name); } -- 1.5.3.4.1333.ga2f32