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[PATCH v10 10/20] ref-filter: introduce refname_atom_parser_internal()

From
Karthik Nayak <karthik.188@gmail.com>
Date
Jan 10, 2017, 08:49 UTC
Message-ID
<20170110084953.15890-11-Karthik.188@gmail.com>
In-Reply-To
<20170110084953.15890-1-Karthik.188@gmail.com>
From: Karthik Nayak <karthik.188@gmail.com>

Since there are multiple atoms which print refs ('%(refname)', '%(symref)', '%(push)', '%(upstream)'), it makes sense to have a common ground for parsing them. This would allow us to share implementations of the atom modifiers between these atoms.

Introduce refname_atom_parser_internal() to act as a common parsing function for ref printing atoms. This would eventually be used to introduce refname_atom_parser() and symref_atom_parser() and also be internally used in remote_ref_atom_parser().

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
---
 ref-filter.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff --git a/ref-filter.c b/ref-filter.c
index e98ef4bb6..c1ebc406c 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -32,6 +32,11 @@ struct if_then_else {
 		condition_satisfied : 1;
 };
 
+struct refname_atom {
+	enum { R_NORMAL, R_SHORT, R_STRIP } option;
+	unsigned int strip;
+};
+
 /*
  * An atom is a valid field atom listed below, possibly prefixed with
  * a "*" to denote deref_tag().
@@ -64,6 +69,7 @@ static struct used_atom {
 			enum { O_FULL, O_LENGTH, O_SHORT } option;
 			unsigned int length;
 		} objectname;
+		struct refname_atom refname;
 	} u;
 } *used_atom;
 static int used_atom_cnt, need_tagged, need_symref;
@@ -77,6 +83,21 @@ static void color_atom_parser(struct used_atom *atom, const char *color_value)
 		die(_("unrecognized color: %%(color:%s)"), color_value);
 }
 
+static void refname_atom_parser_internal(struct refname_atom *atom,
+					 const char *arg, const char *name)
+{
+	if (!arg)
+		atom->option = R_NORMAL;
+	else if (!strcmp(arg, "short"))
+		atom->option = R_SHORT;
+	else if (skip_prefix(arg, "strip=", &arg)) {
+		atom->option = R_STRIP;
+		if (strtoul_ui(arg, 10, &atom->strip) || atom->strip <= 0)
+			die(_("positive value expected refname:strip=%s"), arg);
+	} else
+		die(_("unrecognized %%(%s) argument: %s"), name, arg);
+}
+
 static void remote_ref_atom_parser(struct used_atom *atom, const char *arg)
 {
 	struct string_list params = STRING_LIST_INIT_DUP;
-- 
2.11.0
Previous: Karthik NayakNext: Karthik Nayak
Message 12 of 28 in “port branch.c to use ref-filter's printing options”
  1. 00/20 port branch.c to use ref-filter's printing optionsKarthik Nayak, Jan 10, 2017
  2. 01/20 ref-filter: implement %(if), %(then), and %(else) atomsKarthik Nayak, Jan 10, 2017
  3. 03/20 ref-filter: implement %(if:equals=<string>) and %(if:notequals=<string>)Karthik Nayak, Jan 10, 2017
  4. Junio C HamanoJan 10, 2017
  5. Karthik NayakJan 14, 2017
  6. 04/20 ref-filter: modify "%(objectname:short)" to take lengthKarthik Nayak, Jan 10, 2017
  7. 02/20 ref-filter: include reference to 'used_atom' within 'atom_value'Karthik Nayak, Jan 10, 2017
  8. 07/20 ref-filter: make %(upstream:track) prints "[gone]" for invalid upstreamsKarthik Nayak, Jan 10, 2017
  9. 06/20 ref-filter: introduce format_ref_array_item()Karthik Nayak, Jan 10, 2017
  10. 05/20 ref-filter: move get_head_description() from branch.cKarthik Nayak, Jan 10, 2017
  11. 08/20 ref-filter: add support for %(upstream:track,nobracket)Karthik Nayak, Jan 10, 2017
  12. 10/20 ref-filter: introduce refname_atom_parser_internal()Karthik Nayak, Jan 10, 2017
  13. 11/20 ref-filter: introduce refname_atom_parser()Karthik Nayak, Jan 10, 2017
  14. 09/20 ref-filter: make "%(symref)" atom work with the ':short' modifierKarthik Nayak, Jan 10, 2017
  15. 15/20 ref-filter: modify the 'lstrip=<N>' option to work with negative '<N>'Karthik Nayak, Jan 10, 2017
  16. 20/20 branch: implement '--format' optionKarthik Nayak, Jan 10, 2017
  17. 17/20 ref-filter: allow porcelain to translate messages in the outputKarthik Nayak, Jan 10, 2017
  18. 16/20 ref-filter: add an 'rstrip=<N>' option to atoms which deal with refnamesKarthik Nayak, Jan 10, 2017
  19. 19/20 branch: use ref-filter printing APIsKarthik Nayak, Jan 10, 2017
  20. Jacob KellerJan 11, 2017
  21. Karthik NayakJan 14, 2017
  22. Jacob KellerJan 15, 2017
  23. 18/20 branch, tag: use porcelain outputKarthik Nayak, Jan 10, 2017
  24. 14/20 ref-filter: Do not abruptly die when using the 'lstrip=<N>' optionKarthik Nayak, Jan 10, 2017
  25. 12/20 ref-filter: make remote_ref_atom_parser() use refname_atom_parser_internal()Karthik Nayak, Jan 10, 2017
  26. 13/20 ref-filter: rename the 'strip' option to 'lstrip'Karthik Nayak, Jan 10, 2017
  27. Junio C HamanoJan 10, 2017
  28. Karthik NayakJan 14, 2017

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