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