ui-refs.c

   1 /* ui-refs.c: browse symbolic refs
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "html.h"
  11 #include "ui-shared.h"
  12
  13 static int header;
  14
  15 static int cmp_age(int age1, int age2)
  16 {
  17         if (age1 != 0 && age2 != 0)
  18                 return age2 - age1;
  19
  20         if (age1 == 0 && age2 == 0)
  21                 return 0;
  22
  23         if (age1 == 0)
  24                 return +1;
  25
  26         return -1;
  27 }
  28
  29 static int cmp_ref_name(const void *a, const void *b)
  30 {
  31         struct refinfo *r1 = *(struct refinfo **)a;
  32         struct refinfo *r2 = *(struct refinfo **)b;
  33
  34         return strcmp(r1->refname, r2->refname);
  35 }
  36
  37 static int cmp_branch_age(const void *a, const void *b)
  38 {
  39         struct refinfo *r1 = *(struct refinfo **)a;
  40         struct refinfo *r2 = *(struct refinfo **)b;
  41
  42         return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
  43 }
  44
  45 static int get_ref_age(struct refinfo *ref)
  46 {
  47         if (!ref->object)
  48                 return 0;
  49         switch (ref->object->type) {
  50         case OBJ_TAG:
  51                 return ref->tag ? ref->tag->tagger_date : 0;
  52         case OBJ_COMMIT:
  53                 return ref->commit ? ref->commit->committer_date : 0;
  54         }
  55         return 0;
  56 }
  57
  58 static int cmp_tag_age(const void *a, const void *b)
  59 {
  60         struct refinfo *r1 = *(struct refinfo **)a;
  61         struct refinfo *r2 = *(struct refinfo **)b;
  62
  63         return cmp_age(get_ref_age(r1), get_ref_age(r2));
  64 }
  65
  66 static int print_branch(struct refinfo *ref)
  67 {
  68         struct commitinfo *info = ref->commit;
  69         char *name = (char *)ref->refname;
  70
  71         if (!info)
  72                 return 1;
  73         html("<tr><td>");
  74         cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
  75                       ctx.qry.showmsg);
  76         html("</td><td>");
  77
  78         if (ref->object->type == OBJ_COMMIT) {
  79                 cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL, 0);
  80                 html("</td><td>");
  81                 html_txt(info->author);
  82                 html("</td><td colspan='2'>");
  83                 cgit_print_age(info->commit->date, -1, NULL);
  84         } else {
  85                 html("</td><td></td><td>");
  86                 cgit_object_link(ref->object);
  87         }
  88         html("</td></tr>\n");
  89         return 0;
  90 }
  91
  92 static void print_tag_header()
  93 {
  94         html("<tr class='nohover'><th class='left'>Tag</th>"
  95              "<th class='left'>Download</th>"
  96              "<th class='left'>Author</th>"
  97              "<th class='left' colspan='2'>Age</th></tr>\n");
  98         header = 1;
  99 }
 100
 101 static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
 102 {
 103         const struct cgit_snapshot_format* f;
 104         char *filename;
 105         const char *basename;
 106         int free_ref = 0;
 107
 108         if (!ref || strlen(ref) < 2)
 109                 return;
 110
 111         basename = cgit_repobasename(repo->url);
 112         if (prefixcmp(ref, basename) != 0) {
 113                 if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
 114                         ref++;
 115                 if (isdigit(ref[0])) {
 116                         ref = xstrdup(fmt("%s-%s", basename, ref));
 117                         free_ref = 1;
 118                 }
 119         }
 120
 121         for (f = cgit_snapshot_formats; f->suffix; f++) {
 122                 if (!(repo->snapshots & f->bit))
 123                         continue;
 124                 filename = fmt("%s%s", ref, f->suffix);
 125                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 126                 html("&nbsp;&nbsp;");
 127         }
 128
 129         if (free_ref)
 130                 free((char *)ref);
 131 }
 132 static int print_tag(struct refinfo *ref)
 133 {
 134         struct tag *tag;
 135         struct taginfo *info;
 136         char *name = (char *)ref->refname;
 137
 138         if (ref->object->type == OBJ_TAG) {
 139                 tag = (struct tag *)ref->object;
 140                 info = ref->tag;
 141                 if (!tag || !info)
 142                         return 1;
 143                 html("<tr><td>");
 144                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 145                 html("</td><td>");
 146                 if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
 147                         print_tag_downloads(ctx.repo, name);
 148                 else
 149                         cgit_object_link(tag->tagged);
 150                 html("</td><td>");
 151                 if (info->tagger)
 152                         html(info->tagger);
 153                 html("</td><td colspan='2'>");
 154                 if (info->tagger_date > 0)
 155                         cgit_print_age(info->tagger_date, -1, NULL);
 156                 html("</td></tr>\n");
 157         } else {
 158                 if (!header)
 159                         print_tag_header();
 160                 html("<tr><td>");
 161                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 162                 html("</td><td>");
 163                 if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
 164                         print_tag_downloads(ctx.repo, name);
 165                 else
 166                         cgit_object_link(ref->object);
 167                 html("</td><td>");
 168                 if (ref->object->type == OBJ_COMMIT)
 169                         html(ref->commit->author);
 170                 html("</td><td colspan='2'>");
 171                 if (ref->object->type == OBJ_COMMIT)
 172                         cgit_print_age(ref->commit->commit->date, -1, NULL);
 173                 html("</td></tr>\n");
 174         }
 175         return 0;
 176 }
 177
 178 static void print_refs_link(char *path)
 179 {
 180         html("<tr class='nohover'><td colspan='5'>");
 181         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 182         html("</td></tr>");
 183 }
 184
 185 void cgit_print_branches(int maxcount)
 186 {
 187         struct reflist list;
 188         int i;
 189
 190         html("<tr class='nohover'><th class='left'>Branch</th>"
 191              "<th class='left'>Commit message</th>"
 192              "<th class='left'>Author</th>"
 193              "<th class='left' colspan='2'>Age</th></tr>\n");
 194
 195         list.refs = NULL;
 196         list.alloc = list.count = 0;
 197         for_each_branch_ref(cgit_refs_cb, &list);
 198         if (ctx.repo->enable_remote_branches)
 199                 for_each_remote_ref(cgit_refs_cb, &list);
 200
 201         if (maxcount == 0 || maxcount > list.count)
 202                 maxcount = list.count;
 203
 204         if (maxcount < list.count) {
 205                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 206                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 207         }
 208
 209         for (i = 0; i < maxcount; i++)
 210                 print_branch(list.refs[i]);
 211
 212         if (maxcount < list.count)
 213                 print_refs_link("heads");
 214
 215         cgit_free_reflist_inner(&list);
 216 }
 217
 218 void cgit_print_tags(int maxcount)
 219 {
 220         struct reflist list;
 221         int i;
 222
 223         header = 0;
 224         list.refs = NULL;
 225         list.alloc = list.count = 0;
 226         for_each_tag_ref(cgit_refs_cb, &list);
 227         if (list.count == 0)
 228                 return;
 229         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 230         if (!maxcount)
 231                 maxcount = list.count;
 232         else if (maxcount > list.count)
 233                 maxcount = list.count;
 234         print_tag_header();
 235         for (i = 0; i < maxcount; i++)
 236                 print_tag(list.refs[i]);
 237
 238         if (maxcount < list.count)
 239                 print_refs_link("tags");
 240
 241         cgit_free_reflist_inner(&list);
 242 }
 243
 244 void cgit_print_refs()
 245 {
 246
 247         html("<table class='list nowrap'>");
 248
 249         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 250                 cgit_print_branches(0);
 251         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 252                 cgit_print_tags(0);
 253         else {
 254                 cgit_print_branches(0);
 255                 html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 256                 cgit_print_tags(0);
 257         }
 258         html("</table>");
 259 }