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_print_age(info->commit->date, -1, NULL);
  66                 html("</td><td>");
  67                 html_txt(info->author);
  68                 html("</td><td>");
  69                 cgit_commit_link(info->subject, NULL, NULL, name, 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'>Age</th>"
  82              "<th class='left'>Author</th>"
  83              "<th class='left'>Reference</th></tr>\n");
  84         header = 1;
  85 }
  86
  87 static int print_tag(struct refinfo *ref)
  88 {
  89         struct tag *tag;
  90         struct taginfo *info;
  91         char *url, *name = (char *)ref->refname;
  92
  93         if (ref->object->type == OBJ_TAG) {
  94                 tag = (struct tag *)ref->object;
  95                 info = ref->tag;
  96                 if (!tag || !info)
  97                         return 1;
  98                 html("<tr><td>");
  99                 url = cgit_pageurl(ctx.qry.repo, "tag",
 100                                    fmt("id=%s", name));
 101                 html_link_open(url, NULL, NULL);
 102                 html_txt(name);
 103                 html_link_close();
 104                 html("</td><td>");
 105                 if (info->tagger_date > 0)
 106                         cgit_print_age(info->tagger_date, -1, NULL);
 107                 html("</td><td>");
 108                 if (info->tagger)
 109                         html(info->tagger);
 110                 html("</td><td>");
 111                 cgit_object_link(tag->tagged);
 112                 html("</td></tr>\n");
 113         } else {
 114                 if (!header)
 115                         print_tag_header();
 116                 html("<tr><td>");
 117                 html_txt(name);
 118                 html("</td><td colspan='2'/><td>");
 119                 cgit_object_link(ref->object);
 120                 html("</td></tr>\n");
 121         }
 122         return 0;
 123 }
 124
 125 static void print_refs_link(char *path)
 126 {
 127         html("<tr class='nohover'><td colspan='4'>");
 128         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 129         html("</td></tr>");
 130 }
 131
 132 void cgit_print_branches(int maxcount)
 133 {
 134         struct reflist list;
 135         int i;
 136
 137         html("<tr class='nohover'><th class='left'>Branch</th>"
 138              "<th class='left'>Idle</th>"
 139              "<th class='left'>Author</th>"
 140              "<th class='left'>Head commit</th></tr>\n");
 141
 142         list.refs = NULL;
 143         list.alloc = list.count = 0;
 144         for_each_branch_ref(cgit_refs_cb, &list);
 145
 146         if (maxcount == 0 || maxcount > list.count)
 147                 maxcount = list.count;
 148
 149         if (maxcount < list.count) {
 150                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 151                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 152         }
 153
 154         for(i=0; i<maxcount; i++)
 155                 print_branch(list.refs[i]);
 156
 157         if (maxcount < list.count)
 158                 print_refs_link("heads");
 159 }
 160
 161 void cgit_print_tags(int maxcount)
 162 {
 163         struct reflist list;
 164         int i;
 165
 166         header = 0;
 167         list.refs = NULL;
 168         list.alloc = list.count = 0;
 169         for_each_tag_ref(cgit_refs_cb, &list);
 170         if (list.count == 0)
 171                 return;
 172         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 173         if (!maxcount)
 174                 maxcount = list.count;
 175         else if (maxcount > list.count)
 176                 maxcount = list.count;
 177         print_tag_header();
 178         for(i=0; i<maxcount; i++)
 179                 print_tag(list.refs[i]);
 180
 181         if (maxcount < list.count)
 182                 print_refs_link("tags");
 183 }
 184
 185 void cgit_print_refs()
 186 {
 187
 188         html("<table class='list nowrap'>");
 189
 190         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 191                 cgit_print_branches(0);
 192         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 193                 cgit_print_tags(0);
 194         else {
 195                 cgit_print_branches(0);
 196                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 197                 cgit_print_tags(0);
 198         }
 199
 200         html("</table>");
 201 }