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From: Olga Telezhnaya <olyatelezhnaya@gmail.com>
To: git@vger.kernel.org
Subject: [PATCH RFC 03/24] cat-file: split expand_atom into 2 functions
Date: Fri, 26 Jan 2018 19:43:40 +0000	[thread overview]
Message-ID: <0102016133ff3afb-6bab2c11-e0f3-4bef-9626-fbcc826bcb15-000000@eu-west-1.amazonses.com> (raw)
In-Reply-To: <0102016133ff3a86-44d354ec-13c6-4c38-bc75-1ba4422db5a7-000000@eu-west-1.amazonses.com>

Split expand_atom function into 2 different functions,
expand_atom_into_fields prepares variable for further filling,
(new) expand_atom creates resulting string.
Need that for further reusing of formatting logic from ref-filter.

Signed-off-by: Olga Telezhnaia <olyatelezhnaya@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored by: Jeff King <peff@peff.net>
---
 builtin/cat-file.c | 73 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 39 insertions(+), 34 deletions(-)

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index f5fa4fd75af26..f783b39b9bd5c 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -217,47 +217,49 @@ static int is_atom(const char *atom, const char *s, int slen)
 	return alen == slen && !memcmp(atom, s, alen);
 }
 
-static void expand_atom(struct strbuf *sb, const char *atom, int len,
-			void *vdata)
+static void expand_atom_into_fields(struct strbuf *sb, const char *atom, int len,
+			struct expand_data *data)
 {
-	struct expand_data *data = vdata;
+	if (is_atom("objectname", atom, len))
+		; /* do nothing */
+	else if (is_atom("objecttype", atom, len))
+		data->info.typep = &data->type;
+	else if (is_atom("objectsize", atom, len))
+		data->info.sizep = &data->size;
+	else if (is_atom("objectsize:disk", atom, len))
+		data->info.disk_sizep = &data->disk_size;
+	else if (is_atom("rest", atom, len))
+		data->split_on_whitespace = 1;
+	else if (is_atom("deltabase", atom, len))
+		data->info.delta_base_sha1 = data->delta_base_oid.hash;
+	else
+		die("unknown format element: %.*s", len, atom);
+}
 
-	if (is_atom("objectname", atom, len)) {
-		if (!data->mark_query)
-			strbuf_addstr(sb, oid_to_hex(&data->oid));
-	} else if (is_atom("objecttype", atom, len)) {
-		if (data->mark_query)
-			data->info.typep = &data->type;
-		else
-			strbuf_addstr(sb, typename(data->type));
-	} else if (is_atom("objectsize", atom, len)) {
-		if (data->mark_query)
-			data->info.sizep = &data->size;
-		else
-			strbuf_addf(sb, "%lu", data->size);
-	} else if (is_atom("objectsize:disk", atom, len)) {
-		if (data->mark_query)
-			data->info.disk_sizep = &data->disk_size;
-		else
-			strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size);
-	} else if (is_atom("rest", atom, len)) {
-		if (data->mark_query)
-			data->split_on_whitespace = 1;
-		else if (data->rest)
+static void expand_atom(struct strbuf *sb, const char *atom, int len,
+			 struct expand_data *data)
+{
+	if (is_atom("objectname", atom, len))
+		strbuf_addstr(sb, oid_to_hex(&data->oid));
+	else if (is_atom("objecttype", atom, len))
+		strbuf_addstr(sb, typename(data->type));
+	else if (is_atom("objectsize", atom, len))
+		strbuf_addf(sb, "%lu", data->size);
+	else if (is_atom("objectsize:disk", atom, len))
+		strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size);
+	else if (is_atom("rest", atom, len)) {
+		if (data->rest)
 			strbuf_addstr(sb, data->rest);
-	} else if (is_atom("deltabase", atom, len)) {
-		if (data->mark_query)
-			data->info.delta_base_sha1 = data->delta_base_oid.hash;
-		else
-			strbuf_addstr(sb,
-				      oid_to_hex(&data->delta_base_oid));
-	} else
+	} else if (is_atom("deltabase", atom, len))
+		strbuf_addstr(sb, oid_to_hex(&data->delta_base_oid));
+	else
 		die("unknown format element: %.*s", len, atom);
 }
 
-static size_t expand_format(struct strbuf *sb, const char *start, void *data)
+static size_t expand_format(struct strbuf *sb, const char *start, void *vdata)
 {
 	const char *end;
+	struct expand_data *data = vdata;
 
 	if (*start != '(')
 		return 0;
@@ -265,7 +267,10 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
 	if (!end)
 		die("format element '%s' does not end in ')'", start);
 
-	expand_atom(sb, start + 1, end - start - 1, data);
+	if (data->mark_query)
+		expand_atom_into_fields(sb, start + 1, end - start - 1, data);
+	else
+		expand_atom(sb, start + 1, end - start - 1, data);
 
 	return end - start + 1;
 }

--
https://github.com/git/git/pull/452

  parent reply	other threads:[~2018-01-26 19:44 UTC|newest]

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26 19:43 [PATCH RFC 01/24] ref-filter: get rid of goto Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 22/24] for-each-ref: tests for new atoms added Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 16/24] ref-filter: make cat_file_info independent Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 13/24] ref-filter: add is_cat flag Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 02/24] ref-filter: add return value to some functions Olga Telezhnaya
2018-01-26 21:05   ` Junio C Hamano
2018-01-29  7:36     ` Оля Тележная
2018-01-26 19:43 ` [PATCH RFC 14/24] ref_filter: add is_rest_atom_used function Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 10/24] ref-filter: make populate_value global Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 12/24] ref-filter: get rid of expand_atom_into_fields Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 20/24] ref-filter: unifying formatting of cat-file opts Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 24/24] cat-file: update of docs Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 07/24] cat-file: start migrating to ref-filter Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 09/24] cat-file: start use ref_array_item struct Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 05/24] ref-filter: make valid_atom as function parameter Olga Telezhnaya
2018-01-26 19:43 ` Olga Telezhnaya [this message]
2018-01-26 21:46   ` [PATCH RFC 03/24] cat-file: split expand_atom into 2 functions Junio C Hamano
2018-01-29  7:26     ` Оля Тележная
2018-01-26 19:43 ` [PATCH RFC 08/24] ref-filter: reuse parse_ref_filter_atom Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 15/24] cat-file: move skip_object_info into ref-filter Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 21/24] ref-filter: work with objectsize:disk Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 06/24] cat-file: move struct expand_data into ref-filter Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 23/24] cat-file: tests for new atoms added Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 19/24] ref-filter: make populate_value internal again Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 17/24] cat-file: reuse printing logic from ref-filter Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 04/24] cat-file: reuse struct ref_format Olga Telezhnaya
2018-01-26 22:18   ` Junio C Hamano
2018-01-26 19:43 ` [PATCH RFC 18/24] ref-filter: make valid_atom general again Olga Telezhnaya
2018-01-26 19:43 ` [PATCH RFC 11/24] cat-file: start reusing populate_value Olga Telezhnaya
2018-01-26 20:19 ` [PATCH RFC 01/24] ref-filter: get rid of goto Junio C Hamano
2018-01-29  7:13   ` Оля Тележная
2018-01-30 20:49     ` Junio C Hamano
2018-01-31  6:39       ` Оля Тележная
2018-02-05 11:27 ` [PATCH RFC v2 01/25] " Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 04/25] ref-filter: make valid_atom as function parameter Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 08/25] ref-filter: reuse parse_ref_filter_atom() Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 24/25] cat-file: tests for new atoms added Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 22/25] ref-filter: work with objectsize:disk Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 20/25] ref-filter: make populate_value() internal again Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 09/25] cat-file: start use ref_array_item struct Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 13/25] ref-filter: get rid of mark_atom_in_object_info() Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 14/25] ref-filter: add is_cat flag Olga Telezhnaya
2018-02-05 21:19     ` Junio C Hamano
2018-02-05 11:27   ` [PATCH RFC v2 03/25] cat-file: reuse struct ref_format Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 15/25] ref_filter: add is_atom_used function Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 06/25] cat-file: split expand_atom() into 2 functions Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 25/25] cat-file: update of docs Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 19/25] cat-file: reuse printing logic from ref-filter Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 17/25] ref-filter: make cat_file_info independent Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 21/25] ref-filter: unifying formatting of cat-file opts Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 23/25] for-each-ref: tests for new atoms added Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 02/25] ref-filter: add return value to some functions Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 07/25] cat-file: start migrating formatting to ref-filter Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 10/25] ref-filter: make populate_value() global Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 16/25] cat-file: move skip_object_info into ref-filter Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 11/25] ref-filter: rename field in ref_array_item stuct Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 18/25] ref-filter: make valid_atom general again Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 05/25] cat-file: move struct expand_data into ref-filter Olga Telezhnaya
2018-02-05 11:27   ` [PATCH RFC v2 12/25] cat-file: start reusing populate_value() Olga Telezhnaya
2018-02-12  8:08   ` [PATCH v3 01/23] ref-filter: get rid of goto Olga Telezhnaya
2018-02-12  8:08     ` [PATCH v3 10/23] ref-filter: make populate_value() global Olga Telezhnaya
2018-02-12  8:08     ` [PATCH v3 18/23] cat-file: reuse printing logic from ref-filter Olga Telezhnaya
2018-02-12  8:08     ` [PATCH v3 15/23] cat-file: move skip_object_info into ref-filter Olga Telezhnaya
2018-02-15  5:51       ` Jeff King
2018-02-15 10:27         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 11/23] ref-filter: rename field in ref_array_item stuct Olga Telezhnaya
2018-02-12  8:08     ` [PATCH v3 23/23] cat-file: update of docs Olga Telezhnaya
2018-02-15  6:00       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 05/23] cat-file: move struct expand_data into ref-filter Olga Telezhnaya
2018-02-15  5:26       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 22/23] cat-file: tests for new atoms added Olga Telezhnaya
2018-02-16 14:55       ` Adam Dinwoodie
2018-02-18 22:55         ` Ramsay Jones
2018-02-19  1:04           ` Ramsay Jones
2018-02-12  8:08     ` [PATCH v3 06/23] cat-file: split expand_atom() into 2 functions Olga Telezhnaya
2018-02-15  5:28       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 09/23] cat-file: start use ref_array_item struct Olga Telezhnaya
2018-02-15  5:40       ` Jeff King
2018-02-15 10:13         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 20/23] ref-filter: unifying formatting of cat-file opts Olga Telezhnaya
2018-02-15  5:56       ` Jeff King
2018-02-15 10:34         ` Оля Тележная
2018-02-15 18:31           ` Junio C Hamano
2018-02-12  8:08     ` [PATCH v3 07/23] cat-file: start migrating formatting to ref-filter Olga Telezhnaya
2018-02-15  5:32       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 19/23] ref-filter: make populate_value() internal again Olga Telezhnaya
2018-02-12  8:08     ` [PATCH v3 14/23] ref_filter: add is_atom_used function Olga Telezhnaya
2018-02-15  5:49       ` Jeff King
2018-02-15 10:20         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 13/23] ref-filter: get rid of mark_atom_in_object_info() Olga Telezhnaya
2018-02-15  5:45       ` Jeff King
2018-02-15 10:19         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 16/23] ref-filter: make cat_file_info independent Olga Telezhnaya
2018-02-15  5:53       ` Jeff King
2018-02-15 10:33         ` Оля Тележная
2018-02-16 21:54           ` Jeff King
2018-02-12  8:08     ` [PATCH v3 21/23] for-each-ref: tests for new atoms added Olga Telezhnaya
2018-02-15  5:57       ` Jeff King
2018-02-15 10:38         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 02/23] ref-filter: add return value to some functions Olga Telezhnaya
2018-02-15  5:16       ` Jeff King
2018-02-15  9:59         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 03/23] cat-file: reuse struct ref_format Olga Telezhnaya
2018-02-15  5:18       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 12/23] cat-file: start reusing populate_value() Olga Telezhnaya
2018-02-15  5:42       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 17/23] ref-filter: make valid_atom general again Olga Telezhnaya
2018-02-15  5:53       ` Jeff King
2018-02-12  8:08     ` [PATCH v3 08/23] ref-filter: reuse parse_ref_filter_atom() Olga Telezhnaya
2018-02-15  5:37       ` Jeff King
2018-02-15 10:11         ` Оля Тележная
2018-02-12  8:08     ` [PATCH v3 04/23] ref-filter: make valid_atom as function parameter Olga Telezhnaya
2018-02-15  5:23       ` Jeff King
2018-02-15 10:03         ` Оля Тележная
2018-02-15  5:08     ` [PATCH v3 01/23] ref-filter: get rid of goto Jeff King

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