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         const char *basename;
  97         struct strbuf filename = STRBUF_INIT;
  98         size_t prefixlen;
  99
 100         basename = cgit_snapshot_prefix(repo);
 101         if (starts_with(ref, basename))
 102                 strbuf_addstr(&filename, ref);
 103         else
 104                 cgit_compose_snapshot_prefix(&filename, basename, ref);
 105         prefixlen = filename.len;
 106         for (f = cgit_snapshot_formats; f->suffix; f++) {
 107                 if (!(repo->snapshots & f->bit))
 108                         continue;
 109                 strbuf_setlen(&filename, prefixlen);
 110                 strbuf_addstr(&filename, f->suffix);
 111                 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL, filename.buf);
 112                 html("&nbsp;&nbsp;");
 113         }
 114
 115         strbuf_release(&filename);
 116 }
 117
 118 static int print_tag(struct refinfo *ref)
 119 {
 120         struct tag *tag = NULL;
 121         struct taginfo *info = NULL;
 122         char *name = (char *)ref->refname;
 123         struct object *obj = ref->object;
 124
 125         if (obj->type == OBJ_TAG) {
 126                 tag = (struct tag *)obj;
 127                 obj = tag->tagged;
 128                 info = ref->tag;
 129                 if (!info)
 130                         return 1;
 131         }
 132
 133         html("<tr><td>");
 134         cgit_tag_link(name, NULL, NULL, name);
 135         html("</td><td>");
 136         if (ctx.repo->snapshots && (obj->type == OBJ_COMMIT))
 137                 print_tag_downloads(ctx.repo, name);
 138         else
 139                 cgit_object_link(obj);
 140         html("</td><td>");
 141         if (info) {
 142                 if (info->tagger) {
 143                         cgit_open_filter(ctx.repo->email_filter, info->tagger_email, "refs");
 144                         html_txt(info->tagger);
 145                         cgit_close_filter(ctx.repo->email_filter);
 146                 }
 147         } else if (ref->object->type == OBJ_COMMIT) {
 148                 cgit_open_filter(ctx.repo->email_filter, ref->commit->author_email, "refs");
 149                 html_txt(ref->commit->author);
 150                 cgit_close_filter(ctx.repo->email_filter);
 151         }
 152         html("</td><td colspan='2'>");
 153         if (info) {
 154                 if (info->tagger_date > 0)
 155                         cgit_print_age(info->tagger_date, info->tagger_tz, -1);
 156         } else if (ref->object->type == OBJ_COMMIT) {
 157                 cgit_print_age(ref->commit->commit->date, 0, -1);
 158         }
 159         html("</td></tr>\n");
 160
 161         return 0;
 162 }
 163
 164 static void print_refs_link(char *path)
 165 {
 166         html("<tr class='nohover'><td colspan='5'>");
 167         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 168         html("</td></tr>");
 169 }
 170
 171 void cgit_print_branches(int maxcount)
 172 {
 173         struct reflist list;
 174         int i;
 175
 176         html("<tr class='nohover'><th class='left'>Branch</th>"
 177              "<th class='left'>Commit message</th>"
 178              "<th class='left'>Author</th>"
 179              "<th class='left' colspan='2'>Age</th></tr>\n");
 180
 181         list.refs = NULL;
 182         list.alloc = list.count = 0;
 183         for_each_branch_ref(cgit_refs_cb, &list);
 184         if (ctx.repo->enable_remote_branches)
 185                 for_each_remote_ref(cgit_refs_cb, &list);
 186
 187         if (maxcount == 0 || maxcount > list.count)
 188                 maxcount = list.count;
 189
 190         qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 191         if (ctx.repo->branch_sort == 0)
 192                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 193
 194         for (i = 0; i < maxcount; i++)
 195                 print_branch(list.refs[i]);
 196
 197         if (maxcount < list.count)
 198                 print_refs_link("heads");
 199
 200         cgit_free_reflist_inner(&list);
 201 }
 202
 203 void cgit_print_tags(int maxcount)
 204 {
 205         struct reflist list;
 206         int i;
 207
 208         list.refs = NULL;
 209         list.alloc = list.count = 0;
 210         for_each_tag_ref(cgit_refs_cb, &list);
 211         if (list.count == 0)
 212                 return;
 213         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 214         if (!maxcount)
 215                 maxcount = list.count;
 216         else if (maxcount > list.count)
 217                 maxcount = list.count;
 218         print_tag_header();
 219         for (i = 0; i < maxcount; i++)
 220                 print_tag(list.refs[i]);
 221
 222         if (maxcount < list.count)
 223                 print_refs_link("tags");
 224
 225         cgit_free_reflist_inner(&list);
 226 }
 227
 228 void cgit_print_refs(void)
 229 {
 230         cgit_print_layout_start();
 231         html("<table class='list nowrap'>");
 232
 233         if (ctx.qry.path && starts_with(ctx.qry.path, "heads"))
 234                 cgit_print_branches(0);
 235         else if (ctx.qry.path && starts_with(ctx.qry.path, "tags"))
 236                 cgit_print_tags(0);
 237         else {
 238                 cgit_print_branches(0);
 239                 html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 240                 cgit_print_tags(0);
 241         }
 242         html("</table>");
 243         cgit_print_layout_end();
 244 }