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 int cmp_age(int age1, int age2)
  15 {
  16         if (age1 != 0 && age2 != 0)
  17                 return age2 - age1;
  18
  19         if (age1 == 0 && age2 == 0)
  20                 return 0;
  21
  22         if (age1 == 0)
  23                 return +1;
  24
  25         return -1;
  26 }
  27
  28 static int cmp_ref_name(const void *a, const void *b)
  29 {
  30         struct refinfo *r1 = *(struct refinfo **)a;
  31         struct refinfo *r2 = *(struct refinfo **)b;
  32
  33         return strcmp(r1->refname, r2->refname);
  34 }
  35
  36 static int cmp_branch_age(const void *a, const void *b)
  37 {
  38         struct refinfo *r1 = *(struct refinfo **)a;
  39         struct refinfo *r2 = *(struct refinfo **)b;
  40
  41         return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
  42 }
  43
  44 static int get_ref_age(struct refinfo *ref)
  45 {
  46         if (!ref->object)
  47                 return 0;
  48         switch (ref->object->type) {
  49         case OBJ_TAG:
  50                 return ref->tag ? ref->tag->tagger_date : 0;
  51         case OBJ_COMMIT:
  52                 return ref->commit ? ref->commit->committer_date : 0;
  53         }
  54         return 0;
  55 }
  56
  57 static int cmp_tag_age(const void *a, const void *b)
  58 {
  59         struct refinfo *r1 = *(struct refinfo **)a;
  60         struct refinfo *r2 = *(struct refinfo **)b;
  61
  62         return cmp_age(get_ref_age(r1), get_ref_age(r2));
  63 }
  64
  65 static int print_branch(struct refinfo *ref)
  66 {
  67         struct commitinfo *info = ref->commit;
  68         char *name = (char *)ref->refname;
  69
  70         if (!info)
  71                 return 1;
  72         html("<tr><td>");
  73         cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
  74                       ctx.qry.showmsg);
  75         html("</td><td>");
  76
  77         if (ref->object->type == OBJ_COMMIT) {
  78                 cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL, 0);
  79                 html("</td><td>");
  80                 cgit_open_filter(ctx.repo->email_filter, info->author_email, "refs");
  81                 html_txt(info->author);
  82                 cgit_close_filter(ctx.repo->email_filter);
  83                 html("</td><td colspan='2'>");
  84                 cgit_print_age(info->commit->date, -1, NULL);
  85         } else {
  86                 html("</td><td></td><td>");
  87                 cgit_object_link(ref->object);
  88         }
  89         html("</td></tr>\n");
  90         return 0;
  91 }
  92
  93 static void print_tag_header()
  94 {
  95         html("<tr class='nohover'><th class='left'>Tag</th>"
  96              "<th class='left'>Download</th>"
  97              "<th class='left'>Author</th>"
  98              "<th class='left' colspan='2'>Age</th></tr>\n");
  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         struct strbuf filename = STRBUF_INIT;
 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 = fmtalloc("%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                 strbuf_reset(&filename);
 125                 strbuf_addf(&filename, "%s%s", ref, f->suffix);
 126                 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL, filename.buf);
 127                 html("&nbsp;&nbsp;");
 128         }
 129
 130         if (free_ref)
 131                 free((char *)ref);
 132         strbuf_release(&filename);
 133 }
 134
 135 static int print_tag(struct refinfo *ref)
 136 {
 137         struct tag *tag = NULL;
 138         struct taginfo *info = NULL;
 139         char *name = (char *)ref->refname;
 140         struct object *obj = ref->object;
 141
 142         if (obj->type == OBJ_TAG) {
 143                 tag = (struct tag *)obj;
 144                 obj = tag->tagged;
 145                 info = ref->tag;
 146                 if (!tag || !info)
 147                         return 1;
 148         }
 149
 150         html("<tr><td>");
 151         cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 152         html("</td><td>");
 153         if (ctx.repo->snapshots && (obj->type == OBJ_COMMIT))
 154                 print_tag_downloads(ctx.repo, name);
 155         else
 156                 cgit_object_link(obj);
 157         html("</td><td>");
 158         if (info) {
 159                 if (info->tagger) {
 160                         cgit_open_filter(ctx.repo->email_filter, info->tagger_email, "refs");
 161                         html_txt(info->tagger);
 162                         cgit_close_filter(ctx.repo->email_filter);
 163                 }
 164         } else if (ref->object->type == OBJ_COMMIT) {
 165                 cgit_open_filter(ctx.repo->email_filter, ref->commit->author_email, "refs");
 166                 html_txt(ref->commit->author);
 167                 cgit_close_filter(ctx.repo->email_filter);
 168         }
 169         html("</td><td colspan='2'>");
 170         if (info) {
 171                 if (info->tagger_date > 0)
 172                         cgit_print_age(info->tagger_date, -1, NULL);
 173         } else if (ref->object->type == OBJ_COMMIT) {
 174                 cgit_print_age(ref->commit->commit->date, -1, NULL);
 175         }
 176         html("</td></tr>\n");
 177
 178         return 0;
 179 }
 180
 181 static void print_refs_link(char *path)
 182 {
 183         html("<tr class='nohover'><td colspan='5'>");
 184         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 185         html("</td></tr>");
 186 }
 187
 188 void cgit_print_branches(int maxcount)
 189 {
 190         struct reflist list;
 191         int i;
 192
 193         html("<tr class='nohover'><th class='left'>Branch</th>"
 194              "<th class='left'>Commit message</th>"
 195              "<th class='left'>Author</th>"
 196              "<th class='left' colspan='2'>Age</th></tr>\n");
 197
 198         list.refs = NULL;
 199         list.alloc = list.count = 0;
 200         for_each_branch_ref(cgit_refs_cb, &list);
 201         if (ctx.repo->enable_remote_branches)
 202                 for_each_remote_ref(cgit_refs_cb, &list);
 203
 204         if (maxcount == 0 || maxcount > list.count)
 205                 maxcount = list.count;
 206
 207         qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 208         if (ctx.repo->branch_sort == 0)
 209                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 210
 211         for (i = 0; i < maxcount; i++)
 212                 print_branch(list.refs[i]);
 213
 214         if (maxcount < list.count)
 215                 print_refs_link("heads");
 216
 217         cgit_free_reflist_inner(&list);
 218 }
 219
 220 void cgit_print_tags(int maxcount)
 221 {
 222         struct reflist list;
 223         int i;
 224
 225         list.refs = NULL;
 226         list.alloc = list.count = 0;
 227         for_each_tag_ref(cgit_refs_cb, &list);
 228         if (list.count == 0)
 229                 return;
 230         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 231         if (!maxcount)
 232                 maxcount = list.count;
 233         else if (maxcount > list.count)
 234                 maxcount = list.count;
 235         print_tag_header();
 236         for (i = 0; i < maxcount; i++)
 237                 print_tag(list.refs[i]);
 238
 239         if (maxcount < list.count)
 240                 print_refs_link("tags");
 241
 242         cgit_free_reflist_inner(&list);
 243 }
 244
 245 void cgit_print_refs()
 246 {
 247
 248         html("<table class='list nowrap'>");
 249
 250         if (ctx.qry.path && !prefixcmp(ctx.qry.path, "heads"))
 251                 cgit_print_branches(0);
 252         else if (ctx.qry.path && !prefixcmp(ctx.qry.path, "tags"))
 253                 cgit_print_tags(0);
 254         else {
 255                 cgit_print_branches(0);
 256                 html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 257                 cgit_print_tags(0);
 258         }
 259         html("</table>");
 260 }