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                       ctx.qry.showmsg);
  63         html("</td><td>");
  64
  65         if (ref->object->type == OBJ_COMMIT) {
  66                 cgit_commit_link(info->subject, NULL, NULL, name, NULL);
  67                 html("</td><td>");
  68                 html_txt(info->author);
  69                 html("</td><td colspan='2'>");
  70                 cgit_print_age(info->commit->date, -1, NULL);
  71         } else {
  72                 html("</td><td></td><td>");
  73                 cgit_object_link(ref->object);
  74         }
  75         html("</td></tr>\n");
  76         return 0;
  77 }
  78
  79 static void print_tag_header()
  80 {
  81         html("<tr class='nohover'><th class='left'>Tag</th>"
  82              "<th class='left'>Reference</th>"
  83              "<th class='left'>Author</th>"
  84              "<th class='left' colspan='2'>Age</th></tr>\n");
  85         header = 1;
  86 }
  87
  88 static int print_tag(struct refinfo *ref)
  89 {
  90         struct tag *tag;
  91         struct taginfo *info;
  92         char *name = (char *)ref->refname;
  93
  94         if (ref->object->type == OBJ_TAG) {
  95                 tag = (struct tag *)ref->object;
  96                 info = ref->tag;
  97                 if (!tag || !info)
  98                         return 1;
  99                 html("<tr><td>");
 100                 cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
 101                 html("</td><td>");
 102                 cgit_object_link(tag->tagged);
 103                 html("</td><td>");
 104                 if (info->tagger)
 105                         html(info->tagger);
 106                 html("</td><td colspan='2'>");
 107                 if (info->tagger_date > 0)
 108                         cgit_print_age(info->tagger_date, -1, NULL);
 109                 html("</td></tr>\n");
 110         } else {
 111                 if (!header)
 112                         print_tag_header();
 113                 html("<tr><td>");
 114                 html_txt(name);
 115                 html("</td><td>");
 116                 cgit_object_link(ref->object);
 117                 html("</td></tr>\n");
 118         }
 119         return 0;
 120 }
 121
 122 static void print_refs_link(char *path)
 123 {
 124         html("<tr class='nohover'><td colspan='4'>");
 125         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 126         html("</td></tr>");
 127 }
 128
 129 void cgit_print_branches(int maxcount)
 130 {
 131         struct reflist list;
 132         int i;
 133
 134         html("<tr class='nohover'><th class='left'>Branch</th>"
 135              "<th class='left'>Commit message</th>"
 136              "<th class='left'>Author</th>"
 137              "<th class='left' colspan='2'>Age</th></tr>\n");
 138
 139         list.refs = NULL;
 140         list.alloc = list.count = 0;
 141         for_each_branch_ref(cgit_refs_cb, &list);
 142
 143         if (maxcount == 0 || maxcount > list.count)
 144                 maxcount = list.count;
 145
 146         if (maxcount < list.count) {
 147                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
 148                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
 149         }
 150
 151         for(i=0; i<maxcount; i++)
 152                 print_branch(list.refs[i]);
 153
 154         if (maxcount < list.count)
 155                 print_refs_link("heads");
 156 }
 157
 158 void cgit_print_tags(int maxcount)
 159 {
 160         struct reflist list;
 161         int i;
 162
 163         header = 0;
 164         list.refs = NULL;
 165         list.alloc = list.count = 0;
 166         for_each_tag_ref(cgit_refs_cb, &list);
 167         if (list.count == 0)
 168                 return;
 169         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
 170         if (!maxcount)
 171                 maxcount = list.count;
 172         else if (maxcount > list.count)
 173                 maxcount = list.count;
 174         print_tag_header();
 175         for(i=0; i<maxcount; i++)
 176                 print_tag(list.refs[i]);
 177
 178         if (maxcount < list.count)
 179                 print_refs_link("tags");
 180 }
 181
 182 void cgit_print_refs()
 183 {
 184
 185         html("<table class='list nowrap'>");
 186
 187         if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 188                 cgit_print_branches(0);
 189         else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 190                 cgit_print_tags(0);
 191         else {
 192                 cgit_print_branches(0);
 193                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 194                 cgit_print_tags(0);
 195         }
 196         html("</table>");
 197 }