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
 107         if (!ref || strlen(ref) < 2)
 108                 return;
 109
 110         basename = cgit_repobasename(repo->url);
 111         if (prefixcmp(ref, basename) != 0) {
 112                 if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
 113                         ref++;
 114                 if (isdigit(ref[0]))
 115                         ref = xstrdup(fmt("%s-%s", basename, ref));
 116         }
 117
 118         for (f = cgit_snapshot_formats; f->suffix; f++) {
 119                 if (!(repo->snapshots & f->bit))
 120                         continue;
 121                 filename = fmt("%s%s", ref, f->suffix);
 122                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 123                 html("&nbsp;&nbsp;");
 124         }
 125 }
 126 static int print_tag(struct refinfo *ref)
 127 {
 128         struct tag *tag;
 129         struct taginfo *info;
 130         char *name = (char *)ref->refname;
 131
 132         if (ref->object->type == OBJ_TAG) {
 133                 tag = (struct tag *)ref->object;
 134                 info = ref->tag;
 135                 if (!tag || !info)
 136                         return 1;
 137                 html("<tr><td>");
 138                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 139                 html("</td><td>");
 140                 if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
 141                         print_tag_downloads(ctx.repo, name);
 142                 else
 143                         cgit_object_link(tag->tagged);
 144                 html("</td><td>");
 145                 if (info->tagger)
 146                         html(info->tagger);
 147                 html("</td><td colspan='2'>");
 148                 if (info->tagger_date > 0)
 149                         cgit_print_age(info->tagger_date, -1, NULL);
 150                 html("</td></tr>\n");
 151         } else {
 152                 if (!header)
 153                         print_tag_header();
 154                 html("<tr><td>");
 155                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 156                 html("</td><td>");
 157                 if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
 158                         print_tag_downloads(ctx.repo, name);
 159                 else
 160                         cgit_object_link(ref->object);
 161                 html("</td><td>");
 162                 if (ref->object->type == OBJ_COMMIT)
 163                         html(ref->commit->author);
 164                 html("</td><td colspan='2'>");
 165                 if (ref->object->type == OBJ_COMMIT)
 166                         cgit_print_age(ref->commit->commit->date, -1, NULL);
 167                 html("</td></tr>\n");
 168         }
 169         return 0;
 170 }
 171
 172 static void print_refs_link(char *path)
 173 {
 174         html("<tr class='nohover'><td colspan='4'>");
 175         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 176         html("</td></tr>");
 177 }
 178
 179 void cgit_print_branches(int maxcount)
 180 {
 181         struct reflist list;
 182         int i;
 183
 184         html("<tr class='nohover'><th class='left'>Branch</th>"
 185              "<th class='left'>Commit message</th>"
 186              "<th class='left'>Author</th>"
 187              "<th class='left' colspan='2'>Age</th></tr>\n");
 188
 189         list.refs = NULL;
 190         list.alloc = list.count = 0;
 191         for_each_branch_ref(cgit_refs_cb, &list);
 192         if (ctx.repo->enable_remote_branches)
 193                 for_each_remote_ref(cgit_refs_cb, &list);
 194
 195         if (maxcount == 0 || maxcount > list.count)
 196                 maxcount = list.count;
 197
 198         if (maxcount < list.count) {
 199                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 200                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 201         }
 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
 210 void cgit_print_tags(int maxcount)
 211 {
 212         struct reflist list;
 213         int i;
 214
 215         header = 0;
 216         list.refs = NULL;
 217         list.alloc = list.count = 0;
 218         for_each_tag_ref(cgit_refs_cb, &list);
 219         if (list.count == 0)
 220                 return;
 221         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 222         if (!maxcount)
 223                 maxcount = list.count;
 224         else if (maxcount > list.count)
 225                 maxcount = list.count;
 226         print_tag_header();
 227         for(i=0; i<maxcount; i++)
 228                 print_tag(list.refs[i]);
 229
 230         if (maxcount < list.count)
 231                 print_refs_link("tags");
 232 }
 233
 234 void cgit_print_refs()
 235 {
 236
 237         html("<table class='list nowrap'>");
 238
 239         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 240                 cgit_print_branches(0);
 241         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 242                 cgit_print_tags(0);
 243         else {
 244                 cgit_print_branches(0);
 245                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 246                 cgit_print_tags(0);
 247         }
 248         html("</table>");
 249 }