From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karthik Nayak Subject: [PATCH 10/15] ref-filter: introduce refname_atom_parser() Date: Sun, 6 Mar 2016 17:34:57 +0530 Message-ID: <1457265902-7949-11-git-send-email-Karthik.188@gmail.com> References: <1457265902-7949-1-git-send-email-Karthik.188@gmail.com> Cc: gitster@pobox.com, Karthik Nayak To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Sun Mar 06 13:05:45 2016 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 1acXRQ-00026H-Bx for gcvg-git-2@plane.gmane.org; Sun, 06 Mar 2016 13:05:44 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751493AbcCFMFi (ORCPT ); Sun, 6 Mar 2016 07:05:38 -0500 Received: from mail-pf0-f169.google.com ([209.85.192.169]:33432 "EHLO mail-pf0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbcCFMFa (ORCPT ); Sun, 6 Mar 2016 07:05:30 -0500 Received: by mail-pf0-f169.google.com with SMTP id 124so63520113pfg.0 for ; Sun, 06 Mar 2016 04:05:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=hUx4KXiJG+UzOI5ewTZ/ep4i0KsGAzbywEkzIQOB2aw=; b=tuTphJFTIfPY9I/sQbF6Z4B+T5E6/IM1a/2g0s0IZeu+hpYWjQ7G2Dl7mJ+ZYoJ1o3 eVb9hddaB8eQvr8IwsgZKwN7u4204648nMVm4ZK/17rk+Q5Wrl4zn1keok1gtZ51w/Gm X/37x/9sbXu94eGNFRn2BMf2e31UAkXKr2NjoadeU4r8KhIqCOBss7HgytTMaJegovUv LAhcgQ9jTFmuNRaaqje4rHuIACgcGhTxCVUQGATJKFY0mwz0fh+TVCrbZrX4MXehPoIR oSJmhOFMZVxhEcEEdcqfVAT1/8J0oLz+FJSbN03/bAqn5RsZ+Na/P52qGqP/R/eL4+9A aKSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=hUx4KXiJG+UzOI5ewTZ/ep4i0KsGAzbywEkzIQOB2aw=; b=RiyxsL5tnckp4QaCcdjQhn1NK73p23EB0uiABHdjWhFa2fn1+8s9PGVud7NOJhsDQo Jau2gtgIfcqdr/xKmdohi3IZ1+V29UcZ0yUcGcdTPFmm0wvnrtVbhwJR8tZm5s6vBVwv 2zhK58niJqwmX6eehXFl9UNBfp9+BkFPP8Ok/T3uc00BZS3asI3NHUaaexD/8Fh08brM 2MUVIZhIQD6E5XEa7/ppOeJXSP0cjiA6YauHZ0aZOPve5n1c4JjXVbBw40vAxpwvpAJW DPPWNxll/zEmVqNp5qBDcSMcCfNrdLqs175C/y4ki4rw3VBQPYinDc+X1dofg+kacFsO SlrA== X-Gm-Message-State: AD7BkJLLZQ7NjQDO283DYg11FBLlLcPO59m+rbgKEOI6vRTwmmkEQmwwsVNFTd8/KYdrlA== X-Received: by 10.98.8.200 with SMTP id 69mr26157475pfi.39.1457265929719; Sun, 06 Mar 2016 04:05:29 -0800 (PST) Received: from localhost.localdomain ([106.51.240.143]) by smtp.gmail.com with ESMTPSA id n66sm17536850pfj.39.2016.03.06.04.05.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 06 Mar 2016 04:05:28 -0800 (PST) X-Google-Original-From: Karthik Nayak X-Mailer: git-send-email 2.7.2 In-Reply-To: <1457265902-7949-1-git-send-email-Karthik.188@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Introduce refname_atom_parser() which will parse the '%(refname)' atom and store information into the 'used_atom' structure based on the modifiers used along with the atom. Signed-off-by: Karthik Nayak --- ref-filter.c | 70 +++++++++++++++++++++++++++++++++--------------------------- 1 file changed, 39 insertions(+), 31 deletions(-) diff --git a/ref-filter.c b/ref-filter.c index 59eb280..2393800 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -59,6 +59,10 @@ static struct used_atom { unsigned int length; } objectname; enum { S_FULL, S_SHORT } symref; + struct { + enum { R_NORMAL, R_SHORT, R_STRIP } option; + unsigned int strip; + } refname; } u; } *used_atom; static int used_atom_cnt, need_tagged, need_symref; @@ -212,12 +216,27 @@ static void symref_atom_parser(struct used_atom *atom, const char *arg) die(_("unrecognized %%(symref) argument: %s"), arg); } +static void refname_atom_parser(struct used_atom *atom, const char *arg) +{ + if (!arg) + atom->u.refname.option = R_NORMAL; + else if (!strcmp(arg, "short")) + atom->u.refname.option = R_SHORT; + else if (skip_prefix(arg, "strip=", &arg)) { + atom->u.contents.option = R_STRIP; + if (strtoul_ui(arg, 10, &atom->u.refname.strip) || + atom->u.refname.strip <= 0) + die(_("positive value expected refname:strip=%s"), arg); + } else + die(_("unrecognized %%(refname) argument: %s"), arg); +} + static struct { const char *name; cmp_type cmp_type; void (*parser)(struct used_atom *atom, const char *arg); } valid_atom[] = { - { "refname" }, + { "refname", FIELD_STR, refname_atom_parser }, { "objecttype" }, { "objectsize", FIELD_ULONG }, { "objectname", FIELD_STR, objectname_atom_parser }, @@ -1038,21 +1057,16 @@ static inline char *copy_advance(char *dst, const char *src) return dst; } -static const char *strip_ref_components(const char *refname, const char *nr_arg) +static const char *strip_ref_components(const char *refname, unsigned int len) { - char *end; - long nr = strtol(nr_arg, &end, 10); - long remaining = nr; + long remaining = len; const char *start = refname; - if (nr < 1 || *end != '\0') - die(_(":strip= requires a positive integer argument")); - while (remaining) { switch (*start++) { case '\0': - die(_("ref '%s' does not have %ld components to :strip"), - refname, nr); + die("ref '%s' does not have %ud components to :strip", + refname, len); case '/': remaining--; break; @@ -1144,6 +1158,18 @@ static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref return ref->symref; } +static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) +{ + if (ref->kind & FILTER_REFS_DETACHED_HEAD) + return get_head_description(); + if (atom->u.refname.option == R_SHORT) + return shorten_unambiguous_ref(ref->refname, warn_ambiguous_refs); + else if (atom->u.refname.option == R_STRIP) + return strip_ref_components(ref->refname, atom->u.refname.strip); + else + return ref->refname; +} + /* * Parse the object referred by ref, and grab needed value. */ @@ -1172,7 +1198,6 @@ static void populate_value(struct ref_array_item *ref) struct atom_value *v = &ref->value[i]; int deref = 0; const char *refname; - const char *formatp; struct branch *branch = NULL; v->handler = append_atom; @@ -1182,11 +1207,9 @@ static void populate_value(struct ref_array_item *ref) name++; } - if (starts_with(name, "refname")) { - refname = ref->refname; - if (ref->kind & FILTER_REFS_DETACHED_HEAD) - refname = get_head_description(); - } else if (starts_with(name, "symref")) + if (starts_with(name, "refname")) + refname = get_refname(atom, ref); + else if (starts_with(name, "symref")) refname = get_symref(atom, ref); else if (starts_with(name, "upstream")) { const char *branch_name; @@ -1264,21 +1287,6 @@ static void populate_value(struct ref_array_item *ref) } else continue; - formatp = strchr(name, ':'); - if (formatp) { - const char *arg; - - formatp++; - if (!strcmp(formatp, "short")) - refname = shorten_unambiguous_ref(refname, - warn_ambiguous_refs); - else if (skip_prefix(formatp, "strip=", &arg)) - refname = strip_ref_components(refname, arg); - else - die(_("unknown %.*s format %s"), - (int)(formatp - name), name, formatp); - } - if (!deref) v->s = refname; else -- 2.7.2