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 "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                 html_txt(info->author);
  81                 html("</td><td colspan='2'>");
  82                 cgit_print_age(info->commit->date, -1, NULL);
  83         } else {
  84                 html("</td><td></td><td>");
  85                 cgit_object_link(ref->object);
  86         }
  87         html("</td></tr>\n");
  88         return 0;
  89 }
  90
  91 static void print_tag_header()
  92 {
  93         html("<tr class='nohover'><th class='left'>Tag</th>"
  94              "<th class='left'>Download</th>"
  95              "<th class='left'>Author</th>"
  96              "<th class='left' colspan='2'>Age</th></tr>\n");
  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         struct strbuf filename = STRBUF_INIT;
 103         const char *basename;
 104         int free_ref = 0;
 105
 106         if (!ref || strlen(ref) < 2)
 107                 return;
 108
 109         basename = cgit_repobasename(repo->url);
 110         if (prefixcmp(ref, basename) != 0) {
 111                 if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
 112                         ref++;
 113                 if (isdigit(ref[0])) {
 114                         ref = fmtalloc("%s-%s", basename, ref);
 115                         free_ref = 1;
 116                 }
 117         }
 118
 119         for (f = cgit_snapshot_formats; f->suffix; f++) {
 120                 if (!(repo->snapshots & f->bit))
 121                         continue;
 122                 strbuf_reset(&filename);
 123                 strbuf_addf(&filename, "%s%s", ref, f->suffix);
 124                 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL, filename.buf);
 125                 html("&nbsp;&nbsp;");
 126         }
 127
 128         if (free_ref)
 129                 free((char *)ref);
 130         strbuf_release(&filename);
 131 }
 132
 133 static int print_tag(struct refinfo *ref)
 134 {
 135         struct tag *tag = NULL;
 136         struct taginfo *info = NULL;
 137         char *name = (char *)ref->refname;
 138         struct object *obj = ref->object;
 139
 140         if (obj->type == OBJ_TAG) {
 141                 tag = (struct tag *)obj;
 142                 obj = tag->tagged;
 143                 info = ref->tag;
 144                 if (!tag || !info)
 145                         return 1;
 146         }
 147
 148         html("<tr><td>");
 149         cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 150         html("</td><td>");
 151         if (ctx.repo->snapshots && (obj->type == OBJ_COMMIT))
 152                 print_tag_downloads(ctx.repo, name);
 153         else
 154                 cgit_object_link(obj);
 155         html("</td><td>");
 156         if (info) {
 157                 if (info->tagger)
 158                         html(info->tagger);
 159         } else if (ref->object->type == OBJ_COMMIT) {
 160                 html(ref->commit->author);
 161         }
 162         html("</td><td colspan='2'>");
 163         if (info) {
 164                 if (info->tagger_date > 0)
 165                         cgit_print_age(info->tagger_date, -1, NULL);
 166         } else if (ref->object->type == OBJ_COMMIT) {
 167                 cgit_print_age(ref->commit->commit->date, -1, NULL);
 168         }
 169         html("</td></tr>\n");
 170
 171         return 0;
 172 }
 173
 174 static void print_refs_link(char *path)
 175 {
 176         html("<tr class='nohover'><td colspan='5'>");
 177         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 178         html("</td></tr>");
 179 }
 180
 181 void cgit_print_branches(int maxcount)
 182 {
 183         struct reflist list;
 184         int i;
 185
 186         html("<tr class='nohover'><th class='left'>Branch</th>"
 187              "<th class='left'>Commit message</th>"
 188              "<th class='left'>Author</th>"
 189              "<th class='left' colspan='2'>Age</th></tr>\n");
 190
 191         list.refs = NULL;
 192         list.alloc = list.count = 0;
 193         for_each_branch_ref(cgit_refs_cb, &list);
 194         if (ctx.repo->enable_remote_branches)
 195                 for_each_remote_ref(cgit_refs_cb, &list);
 196
 197         if (maxcount == 0 || maxcount > list.count)
 198                 maxcount = list.count;
 199
 200         if (maxcount < list.count) {
 201                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 202                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 203         }
 204
 205         for (i = 0; i < maxcount; i++)
 206                 print_branch(list.refs[i]);
 207
 208         if (maxcount < list.count)
 209                 print_refs_link("heads");
 210
 211         cgit_free_reflist_inner(&list);
 212 }
 213
 214 void cgit_print_tags(int maxcount)
 215 {
 216         struct reflist list;
 217         int i;
 218
 219         list.refs = NULL;
 220         list.alloc = list.count = 0;
 221         for_each_tag_ref(cgit_refs_cb, &list);
 222         if (list.count == 0)
 223                 return;
 224         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 225         if (!maxcount)
 226                 maxcount = list.count;
 227         else if (maxcount > list.count)
 228                 maxcount = list.count;
 229         print_tag_header();
 230         for (i = 0; i < maxcount; i++)
 231                 print_tag(list.refs[i]);
 232
 233         if (maxcount < list.count)
 234                 print_refs_link("tags");
 235
 236         cgit_free_reflist_inner(&list);
 237 }
 238
 239 void cgit_print_refs()
 240 {
 241
 242         html("<table class='list nowrap'>");
 243
 244         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 245                 cgit_print_branches(0);
 246         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 247                 cgit_print_tags(0);
 248         else {
 249                 cgit_print_branches(0);
 250                 html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 251                 cgit_print_tags(0);
 252         }
 253         html("</table>");
 254 }