ui-refs.c

   1 /* ui-refs.c: browse symbolic refs
   2  *
   3  * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "ui-refs.h"
  11 #include "html.h"
  12 #include "ui-shared.h"
  13
  14 static inline int cmp_age(int age1, int age2)
  15 {
  16         /* age1 and age2 are assumed to be non-negative */
  17         return age2 - age1;
  18 }
  19
  20 static int cmp_ref_name(const void *a, const void *b)
  21 {
  22         struct refinfo *r1 = *(struct refinfo **)a;
  23         struct refinfo *r2 = *(struct refinfo **)b;
  24
  25         return strcmp(r1->refname, r2->refname);
  26 }
  27
  28 static int cmp_branch_age(const void *a, const void *b)
  29 {
  30         struct refinfo *r1 = *(struct refinfo **)a;
  31         struct refinfo *r2 = *(struct refinfo **)b;
  32
  33         return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
  34 }
  35
  36 static int get_ref_age(struct refinfo *ref)
  37 {
  38         if (!ref->object)
  39                 return 0;
  40         switch (ref->object->type) {
  41         case OBJ_TAG:
  42                 return ref->tag ? ref->tag->tagger_date : 0;
  43         case OBJ_COMMIT:
  44                 return ref->commit ? ref->commit->committer_date : 0;
  45         }
  46         return 0;
  47 }
  48
  49 static int cmp_tag_age(const void *a, const void *b)
  50 {
  51         struct refinfo *r1 = *(struct refinfo **)a;
  52         struct refinfo *r2 = *(struct refinfo **)b;
  53
  54         return cmp_age(get_ref_age(r1), get_ref_age(r2));
  55 }
  56
  57 static int print_branch(struct refinfo *ref)
  58 {
  59         struct commitinfo *info = ref->commit;
  60         char *name = (char *)ref->refname;
  61
  62         if (!info)
  63                 return 1;
  64         html("<tr><td>");
  65         cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
  66                       ctx.qry.showmsg, 0);
  67         html("</td><td>");
  68
  69         if (ref->object->type == OBJ_COMMIT) {
  70                 cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL);
  71                 html("</td><td>");
  72                 cgit_open_filter(ctx.repo->email_filter, info->author_email, "refs");
  73                 html_txt(info->author);
  74                 cgit_close_filter(ctx.repo->email_filter);
  75                 html("</td><td colspan='2'>");
  76                 cgit_print_age(info->committer_date, info->committer_tz, -1);
  77         } else {
  78                 html("</td><td></td><td>");
  79                 cgit_object_link(ref->object);
  80         }
  81         html("</td></tr>\n");
  82         return 0;
  83 }
  84
  85 static void print_tag_header(void)
  86 {
  87         html("<tr class='nohover'><th class='left'>Tag</th>"
  88              "<th class='left'>Download</th>"
  89              "<th class='left'>Author</th>"
  90              "<th class='left' colspan='2'>Age</th></tr>\n");
  91 }
  92
  93 static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
  94 {
  95         const struct cgit_snapshot_format* f;
  96         struct strbuf filename = STRBUF_INIT;
  97         const char *basename;
  98         int free_ref = 0;
  99
 100         if (!ref || strlen(ref) < 1)
 101                 return;
 102
 103         basename = cgit_repobasename(repo->url);
 104         if (!starts_with(ref, basename)) {
 105                 if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
 106                         ref++;
 107                 if (isdigit(ref[0])) {
 108                         ref = fmtalloc("%s-%s", basename, ref);
 109                         free_ref = 1;
 110                 }
 111         }
 112
 113         for (f = cgit_snapshot_formats; f->suffix; f++) {
 114                 if (!(repo->snapshots & f->bit))
 115                         continue;
 116                 strbuf_reset(&filename);
 117                 strbuf_addf(&filename, "%s%s", ref, f->suffix);
 118                 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL, filename.buf);
 119                 html("&nbsp;&nbsp;");
 120         }
 121
 122         if (free_ref)
 123                 free((char *)ref);
 124         strbuf_release(&filename);
 125 }
 126
 127 static int print_tag(struct refinfo *ref)
 128 {
 129         struct tag *tag = NULL;
 130         struct taginfo *info = NULL;
 131         char *name = (char *)ref->refname;
 132         struct object *obj = ref->object;
 133
 134         if (obj->type == OBJ_TAG) {
 135                 tag = (struct tag *)obj;
 136                 obj = tag->tagged;
 137                 info = ref->tag;
 138                 if (!info)
 139                         return 1;
 140         }
 141
 142         html("<tr><td>");
 143         cgit_tag_link(name, NULL, NULL, name);
 144         html("</td><td>");
 145         if (ctx.repo->snapshots && (obj->type == OBJ_COMMIT))
 146                 print_tag_downloads(ctx.repo, name);
 147         else
 148                 cgit_object_link(obj);
 149         html("</td><td>");
 150         if (info) {
 151                 if (info->tagger) {
 152                         cgit_open_filter(ctx.repo->email_filter, info->tagger_email, "refs");
 153                         html_txt(info->tagger);
 154                         cgit_close_filter(ctx.repo->email_filter);
 155                 }
 156         } else if (ref->object->type == OBJ_COMMIT) {
 157                 cgit_open_filter(ctx.repo->email_filter, ref->commit->author_email, "refs");
 158                 html_txt(ref->commit->author);
 159                 cgit_close_filter(ctx.repo->email_filter);
 160         }
 161         html("</td><td colspan='2'>");
 162         if (info) {
 163                 if (info->tagger_date > 0)
 164                         cgit_print_age(info->tagger_date, info->tagger_tz, -1);
 165         } else if (ref->object->type == OBJ_COMMIT) {
 166                 cgit_print_age(ref->commit->commit->date, 0, -1);
 167         }
 168         html("</td></tr>\n");
 169
 170         return 0;
 171 }
 172
 173 static void print_refs_link(char *path)
 174 {
 175         html("<tr class='nohover'><td colspan='5'>");
 176         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 177         html("</td></tr>");
 178 }
 179
 180 void cgit_print_branches(int maxcount)
 181 {
 182         struct reflist list;
 183         int i;
 184
 185         html("<tr class='nohover'><th class='left'>Branch</th>"
 186              "<th class='left'>Commit message</th>"
 187              "<th class='left'>Author</th>"
 188              "<th class='left' colspan='2'>Age</th></tr>\n");
 189
 190         list.refs = NULL;
 191         list.alloc = list.count = 0;
 192         for_each_branch_ref(cgit_refs_cb, &list);
 193         if (ctx.repo->enable_remote_branches)
 194                 for_each_remote_ref(cgit_refs_cb, &list);
 195
 196         if (maxcount == 0 || maxcount > list.count)
 197                 maxcount = list.count;
 198
 199         qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 200         if (ctx.repo->branch_sort == 0)
 201                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 202
 203         for (i = 0; i < maxcount; i++)
 204                 print_branch(list.refs[i]);
 205
 206         if (maxcount < list.count)
 207                 print_refs_link("heads");
 208
 209         cgit_free_reflist_inner(&list);
 210 }
 211
 212 void cgit_print_tags(int maxcount)
 213 {
 214         struct reflist list;
 215         int i;
 216
 217         list.refs = NULL;
 218         list.alloc = list.count = 0;
 219         for_each_tag_ref(cgit_refs_cb, &list);
 220         if (list.count == 0)
 221                 return;
 222         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 223         if (!maxcount)
 224                 maxcount = list.count;
 225         else if (maxcount > list.count)
 226                 maxcount = list.count;
 227         print_tag_header();
 228         for (i = 0; i < maxcount; i++)
 229                 print_tag(list.refs[i]);
 230
 231         if (maxcount < list.count)
 232                 print_refs_link("tags");
 233
 234         cgit_free_reflist_inner(&list);
 235 }
 236
 237 void cgit_print_refs(void)
 238 {
 239         cgit_print_layout_start();
 240         html("<table class='list nowrap'>");
 241
 242         if (ctx.qry.path && starts_with(ctx.qry.path, "heads"))
 243                 cgit_print_branches(0);
 244         else if (ctx.qry.path && starts_with(ctx.qry.path, "tags"))
 245                 cgit_print_tags(0);
 246         else {
 247                 cgit_print_branches(0);
 248                 html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 249                 cgit_print_tags(0);
 250         }
 251         html("</table>");
 252         cgit_print_layout_end();
 253 }