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