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[PATCH 16/27] [GSOC] ref-filter: remove grab_oid() function

From
ZheNing Hu via GitGitGadget <gitgitgadget@gmail.com>
Date
Aug 13, 2021, 08:22 UTC
Message-ID
<ae2de77101497a7cc28867c56fad61d4cc1f2c49.1628842990.git.gitgitgadget@gmail.com>
In-Reply-To
<pull.1016.git.1628842990.gitgitgadget@gmail.com>
From: ZheNing Hu <adlternative@gmail.com>

Because "atom_type == ATOM_OBJECTNAME" implies the condition of `starts_with(name, "objectname")`, "atom_type == ATOM_TREE" implies the condition of `starts_with(name, "tree")`, so the check for `starts_with(name, field)` in grab_oid() is redundant.

So Remove the grab_oid() from ref-filter, to reduce repeated check.
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: ZheNing Hu <adlternative@gmail.com>
---
 ref-filter.c | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/ref-filter.c b/ref-filter.c
index f7c448f6fa1..8664d9a6f4e 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1081,16 +1081,6 @@ static const char *do_grab_oid(const char *field, const struct object_id *oid,
 	}
 }
 
-static int grab_oid(const char *name, const char *field, const struct object_id *oid,
-		    struct atom_value *v, struct used_atom *atom)
-{
-	if (starts_with(name, field)) {
-		v->s = xstrdup(do_grab_oid(field, oid, atom));
-		return 1;
-	}
-	return 0;
-}
-
 /* See grab_values */
 static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi)
 {
@@ -1116,8 +1106,9 @@ static void grab_common_values(struct atom_value *val, int deref, struct expand_
 			}
 		} else if (atom_type == ATOM_DELTABASE)
 			v->s = xstrdup(oid_to_hex(&oi->delta_base_oid));
-		else if (atom_type == ATOM_OBJECTNAME && deref)
-			grab_oid(name, "objectname", &oi->oid, v, &used_atom[i]);
+		else if (atom_type == ATOM_OBJECTNAME && deref) {
+			v->s = xstrdup(do_grab_oid("objectname", &oi->oid, &used_atom[i]));
+		}
 	}
 }
 
@@ -1158,9 +1149,10 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
 			continue;
 		if (deref)
 			name++;
-		if (atom_type == ATOM_TREE &&
-		    grab_oid(name, "tree", get_commit_tree_oid(commit), v, &used_atom[i]))
+		if (atom_type == ATOM_TREE) {
+			v->s = xstrdup(do_grab_oid("tree", get_commit_tree_oid(commit), &used_atom[i]));
 			continue;
+		}
 		if (atom_type == ATOM_NUMPARENT) {
 			v->value = commit_list_count(commit->parents);
 			v->s = xstrfmt("%lu", (unsigned long)v->value);
@@ -1965,9 +1957,9 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
 				v->s = xstrdup(buf + 1);
 			}
 			continue;
-		} else if (!deref && atom_type == ATOM_OBJECTNAME &&
-			   grab_oid(name, "objectname", &ref->objectname, v, atom)) {
-				continue;
+		} else if (!deref && atom_type == ATOM_OBJECTNAME) {
+			   v->s = xstrdup(do_grab_oid("objectname", &ref->objectname, atom));
+			   continue;
 		} else if (atom_type == ATOM_HEAD) {
 			if (atom->u.head && !strcmp(ref->refname, atom->u.head))
 				v->s = xstrdup("*");
-- 
gitgitgadget
Previous: ZheNing Hu via GitGitGadgetNext: ZheNing Hu via GitGitGadget
Message 17 of 28 in “[GSOC] [RFC] cat-file: reuse ref-filter logic”
  1. 00/27 [GSOC] [RFC] cat-file: reuse ref-filter logicZheNing Hu via GitGitGadget, Aug 13, 2021
  2. 02/27 [GSOC] ref-filter: add %(raw) atomZheNing Hu via GitGitGadget, Aug 13, 2021
  3. 01/27 [GSOC] ref-filter: add obj-type check in grab contentsZheNing Hu via GitGitGadget, Aug 13, 2021
  4. 03/27 [GSOC] ref-filter: --format=%(raw) support --perlZheNing Hu via GitGitGadget, Aug 13, 2021
  5. 04/27 [GSOC] ref-filter: use non-const ref_format in *_atom_parser()ZheNing Hu via GitGitGadget, Aug 13, 2021
  6. 07/27 [GSOC] ref-filter: introduce free_ref_array_item_value() functionZheNing Hu via GitGitGadget, Aug 13, 2021
  7. 05/27 [GSOC] ref-filter: add %(rest) atomZheNing Hu via GitGitGadget, Aug 13, 2021
  8. 06/27 [GSOC] ref-filter: pass get_object() return value to their callersZheNing Hu via GitGitGadget, Aug 13, 2021
  9. 08/27 [GSOC] ref-filter: add cat_file_mode to ref_formatZheNing Hu via GitGitGadget, Aug 13, 2021
  10. 10/27 [GSOC] cat-file: add has_object_file() checkZheNing Hu via GitGitGadget, Aug 13, 2021
  11. 09/27 [GSOC] ref-filter: modify the error message and value in get_objectZheNing Hu via GitGitGadget, Aug 13, 2021
  12. 11/27 [GSOC] cat-file: change batch_objects parameter nameZheNing Hu via GitGitGadget, Aug 13, 2021
  13. 12/27 [GSOC] cat-file: create p1006-cat-file.shZheNing Hu via GitGitGadget, Aug 13, 2021
  14. 13/27 [GSOC] cat-file: reuse ref-filter logicZheNing Hu via GitGitGadget, Aug 13, 2021
  15. 14/27 [GSOC] cat-file: reuse err buf in batch_object_write()ZheNing Hu via GitGitGadget, Aug 13, 2021
  16. 15/27 [GSOC] cat-file: re-implement --textconv, --filters optionsZheNing Hu via GitGitGadget, Aug 13, 2021
  17. 16/27 [GSOC] ref-filter: remove grab_oid() functionZheNing Hu via GitGitGadget, Aug 13, 2021
  18. 17/27 [GSOC] ref-filter: performance optimization by skip parse_object_bufferZheNing Hu via GitGitGadget, Aug 13, 2021
  19. 18/27 [GSOC] ref-filter: use atom_type and merge two for loop in grab_personZheNing Hu via GitGitGadget, Aug 13, 2021
  20. 19/27 [GSOC] ref-filter: remove strlen from find_subposZheNing Hu via GitGitGadget, Aug 13, 2021
  21. 20/27 [GSOC] ref-filter: introducing xstrvfmt_len() and xstrfmt_len()ZheNing Hu via GitGitGadget, Aug 13, 2021
  22. 21/27 [GSOC] ref-filter: remove second parsing in format_ref_array_itemZheNing Hu via GitGitGadget, Aug 13, 2021
  23. 22/27 [GSOC] ref-filter: introduction ref_filter_slopbufZheNing Hu via GitGitGadget, Aug 13, 2021
  24. 23/27 [GSOC] ref-filter: add deref member to struct used_atomZheNing Hu via GitGitGadget, Aug 13, 2021
  25. 24/27 [GSOC] ref-filter: introduce symref_atom_parser()ZheNing Hu via GitGitGadget, Aug 13, 2021
  26. 25/27 [GSOC] ref-filter: use switch case instread of if elseZheNing Hu via GitGitGadget, Aug 13, 2021
  27. 27/27 [GSOC] ref-filter: add need_get_object_info flag to struct expand_dataZheNing Hu via GitGitGadget, Aug 13, 2021
  28. 26/27 [GSOC] ref-filter: reuse finnal buffer if no stack needZheNing Hu via GitGitGadget, Aug 13, 2021

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