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 cmp_tag_age(const void *a, const void *b)
  46 {
  47         struct refinfo *r1 = *(struct refinfo **)a;
  48         struct refinfo *r2 = *(struct refinfo **)b;
  49         int r1date, r2date;
  50
  51         if (r1->object->type != OBJ_COMMIT)
  52                 r1date = r1->tag->tagger_date;
  53         else
  54                 r1date = r1->commit->committer_date;
  55
  56         if (r2->object->type != OBJ_COMMIT)
  57                 r2date = r2->tag->tagger_date;
  58         else
  59                 r2date = r2->commit->committer_date;
  60
  61         return cmp_age(r1date, r2date);
  62 }
  63
  64 static int print_branch(struct refinfo *ref)
  65 {
  66         struct commitinfo *info = ref->commit;
  67         char *name = (char *)ref->refname;
  68
  69         if (!info)
  70                 return 1;
  71         html("<tr><td>");
  72         cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
  73                       ctx.qry.showmsg);
  74         html("</td><td>");
  75
  76         if (ref->object->type == OBJ_COMMIT) {
  77                 cgit_commit_link(info->subject, NULL, NULL, name, NULL, 0);
  78                 html("</td><td>");
  79                 html_txt(info->author);
  80                 html("</td><td colspan='2'>");
  81                 cgit_print_age(info->commit->date, -1, NULL);
  82         } else {
  83                 html("</td><td></td><td>");
  84                 cgit_object_link(ref->object);
  85         }
  86         html("</td></tr>\n");
  87         return 0;
  88 }
  89
  90 static void print_tag_header()
  91 {
  92         html("<tr class='nohover'><th class='left'>Tag</th>"
  93              "<th class='left'>Download</th>"
  94              "<th class='left'>Author</th>"
  95              "<th class='left' colspan='2'>Age</th></tr>\n");
  96         header = 1;
  97 }
  98
  99 static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
 100 {
 101         const struct cgit_snapshot_format* f;
 102         char *filename;
 103         const char *basename;
 104
 105         if (!ref || strlen(ref) < 2)
 106                 return;
 107
 108         basename = cgit_repobasename(repo->url);
 109         if (prefixcmp(ref, basename) != 0) {
 110                 if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
 111                         ref++;
 112                 if (isdigit(ref[0]))
 113                         ref = xstrdup(fmt("%s-%s", basename, ref));
 114         }
 115
 116         for (f = cgit_snapshot_formats; f->suffix; f++) {
 117                 if (!(repo->snapshots & f->bit))
 118                         continue;
 119                 filename = fmt("%s%s", ref, f->suffix);
 120                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 121                 html("&nbsp;&nbsp;");
 122         }
 123 }
 124 static int print_tag(struct refinfo *ref)
 125 {
 126         struct tag *tag;
 127         struct taginfo *info;
 128         char *name = (char *)ref->refname;
 129
 130         if (ref->object->type == OBJ_TAG) {
 131                 tag = (struct tag *)ref->object;
 132                 info = ref->tag;
 133                 if (!tag || !info)
 134                         return 1;
 135                 html("<tr><td>");
 136                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 137                 html("</td><td>");
 138                 if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
 139                         print_tag_downloads(ctx.repo, name);
 140                 else
 141                         cgit_object_link(tag->tagged);
 142                 html("</td><td>");
 143                 if (info->tagger)
 144                         html(info->tagger);
 145                 html("</td><td colspan='2'>");
 146                 if (info->tagger_date > 0)
 147                         cgit_print_age(info->tagger_date, -1, NULL);
 148                 html("</td></tr>\n");
 149         } else {
 150                 if (!header)
 151                         print_tag_header();
 152                 html("<tr><td>");
 153                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 154                 html("</td><td>");
 155                 if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
 156                         print_tag_downloads(ctx.repo, name);
 157                 else
 158                         cgit_object_link(ref->object);
 159                 html("</td><td>");
 160                 if (ref->object->type == OBJ_COMMIT)
 161                         html(ref->commit->author);
 162                 html("</td><td colspan='2'>");
 163                 if (ref->object->type == OBJ_COMMIT)
 164                         cgit_print_age(ref->commit->commit->date, -1, NULL);
 165                 html("</td></tr>\n");
 166         }
 167         return 0;
 168 }
 169
 170 static void print_refs_link(char *path)
 171 {
 172         html("<tr class='nohover'><td colspan='4'>");
 173         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 174         html("</td></tr>");
 175 }
 176
 177 void cgit_print_branches(int maxcount)
 178 {
 179         struct reflist list;
 180         int i;
 181
 182         html("<tr class='nohover'><th class='left'>Branch</th>"
 183              "<th class='left'>Commit message</th>"
 184              "<th class='left'>Author</th>"
 185              "<th class='left' colspan='2'>Age</th></tr>\n");
 186
 187         list.refs = NULL;
 188         list.alloc = list.count = 0;
 189         for_each_branch_ref(cgit_refs_cb, &list);
 190         if (ctx.repo->enable_remote_branches)
 191                 for_each_remote_ref(cgit_refs_cb, &list);
 192
 193         if (maxcount == 0 || maxcount > list.count)
 194                 maxcount = list.count;
 195
 196         if (maxcount < list.count) {
 197                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 198                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 199         }
 200
 201         for(i=0; i<maxcount; i++)
 202                 print_branch(list.refs[i]);
 203
 204         if (maxcount < list.count)
 205                 print_refs_link("heads");
 206 }
 207
 208 void cgit_print_tags(int maxcount)
 209 {
 210         struct reflist list;
 211         int i;
 212
 213         header = 0;
 214         list.refs = NULL;
 215         list.alloc = list.count = 0;
 216         for_each_tag_ref(cgit_refs_cb, &list);
 217         if (list.count == 0)
 218                 return;
 219         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 220         if (!maxcount)
 221                 maxcount = list.count;
 222         else if (maxcount > list.count)
 223                 maxcount = list.count;
 224         print_tag_header();
 225         for(i=0; i<maxcount; i++)
 226                 print_tag(list.refs[i]);
 227
 228         if (maxcount < list.count)
 229                 print_refs_link("tags");
 230 }
 231
 232 void cgit_print_refs()
 233 {
 234
 235         html("<table class='list nowrap'>");
 236
 237         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 238                 cgit_print_branches(0);
 239         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 240                 cgit_print_tags(0);
 241         else {
 242                 cgit_print_branches(0);
 243                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 244                 cgit_print_tags(0);
 245         }
 246         html("</table>");
 247 }