cgitsb/ui-refs.c
Robin Redeker 5164be3277 ui-refs: avoid SEGFAULT on lightweight tags
Signed-off-by: Robin Redeker <elmex@ta-sa.org>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2009-01-10 12:48:39 +01:00

229 rader
5.2 KiB
C

/* ui-refs.c: browse symbolic refs
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "html.h"
#include "ui-shared.h"
static int header;
static int cmp_age(int age1, int age2)
{
if (age1 != 0 && age2 != 0)
return age2 - age1;
if (age1 == 0 && age2 == 0)
return 0;
if (age1 == 0)
return +1;
return -1;
}
static int cmp_ref_name(const void *a, const void *b)
{
struct refinfo *r1 = *(struct refinfo **)a;
struct refinfo *r2 = *(struct refinfo **)b;
return strcmp(r1->refname, r2->refname);
}
static int cmp_branch_age(const void *a, const void *b)
{
struct refinfo *r1 = *(struct refinfo **)a;
struct refinfo *r2 = *(struct refinfo **)b;
return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
}
static int cmp_tag_age(const void *a, const void *b)
{
struct refinfo *r1 = *(struct refinfo **)a;
struct refinfo *r2 = *(struct refinfo **)b;
return cmp_age(r1->tag->tagger_date, r2->tag->tagger_date);
}
static int print_branch(struct refinfo *ref)
{
struct commitinfo *info = ref->commit;
char *name = (char *)ref->refname;
if (!info)
return 1;
html("<tr><td>");
cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
ctx.qry.showmsg);
html("</td><td>");
if (ref->object->type == OBJ_COMMIT) {
cgit_commit_link(info->subject, NULL, NULL, name, NULL);
html("</td><td>");
html_txt(info->author);
html("</td><td colspan='2'>");
cgit_print_age(info->commit->date, -1, NULL);
} else {
html("</td><td></td><td>");
cgit_object_link(ref->object);
}
html("</td></tr>\n");
return 0;
}
static void print_tag_header()
{
html("<tr class='nohover'><th class='left'>Tag</th>"
"<th class='left'>Download</th>"
"<th class='left'>Author</th>"
"<th class='left' colspan='2'>Age</th></tr>\n");
header = 1;
}
static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
{
const struct cgit_snapshot_format* f;
char *filename;
const char *basename;
if (!ref || strlen(ref) < 2)
return;
basename = cgit_repobasename(repo->url);
if (prefixcmp(ref, basename) != 0) {
if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
ref++;
if (isdigit(ref[0]))
ref = xstrdup(fmt("%s-%s", basename, ref));
}
for (f = cgit_snapshot_formats; f->suffix; f++) {
if (!(repo->snapshots & f->bit))
continue;
filename = fmt("%s%s", ref, f->suffix);
cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
html("&nbsp;&nbsp;");
}
}
static int print_tag(struct refinfo *ref)
{
struct tag *tag;
struct taginfo *info;
char *name = (char *)ref->refname;
if (ref->object->type == OBJ_TAG) {
tag = (struct tag *)ref->object;
info = ref->tag;
if (!tag || !info)
return 1;
html("<tr><td>");
cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
html("</td><td>");
if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
print_tag_downloads(ctx.repo, name);
else
cgit_object_link(tag->tagged);
html("</td><td>");
if (info->tagger)
html(info->tagger);
html("</td><td colspan='2'>");
if (info->tagger_date > 0)
cgit_print_age(info->tagger_date, -1, NULL);
html("</td></tr>\n");
} else {
if (!header)
print_tag_header();
html("<tr><td>");
html_txt(name);
html("</td><td>");
if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
print_tag_downloads(ctx.repo, name);
else
cgit_object_link(ref->object);
html("</td></tr>\n");
}
return 0;
}
static void print_refs_link(char *path)
{
html("<tr class='nohover'><td colspan='4'>");
cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
html("</td></tr>");
}
void cgit_print_branches(int maxcount)
{
struct reflist list;
int i;
html("<tr class='nohover'><th class='left'>Branch</th>"
"<th class='left'>Commit message</th>"
"<th class='left'>Author</th>"
"<th class='left' colspan='2'>Age</th></tr>\n");
list.refs = NULL;
list.alloc = list.count = 0;
for_each_branch_ref(cgit_refs_cb, &list);
if (maxcount == 0 || maxcount > list.count)
maxcount = list.count;
if (maxcount < list.count) {
qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
}
for(i=0; i<maxcount; i++)
print_branch(list.refs[i]);
if (maxcount < list.count)
print_refs_link("heads");
}
void cgit_print_tags(int maxcount)
{
struct reflist list;
int i;
header = 0;
list.refs = NULL;
list.alloc = list.count = 0;
for_each_tag_ref(cgit_refs_cb, &list);
if (list.count == 0)
return;
qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
if (!maxcount)
maxcount = list.count;
else if (maxcount > list.count)
maxcount = list.count;
print_tag_header();
for(i=0; i<maxcount; i++)
print_tag(list.refs[i]);
if (maxcount < list.count)
print_refs_link("tags");
}
void cgit_print_refs()
{
html("<table class='list nowrap'>");
if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
cgit_print_branches(0);
else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
cgit_print_tags(0);
else {
cgit_print_branches(0);
html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
cgit_print_tags(0);
}
html("</table>");
}