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[ps-cgit] / ui-summary.c
1 /* ui-summary.c: functions for generating repo summary page
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
12 static int header;
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 cmp_tag_age(const void *a, const void *b)
45 {
46         struct refinfo *r1 = *(struct refinfo **)a;
47         struct refinfo *r2 = *(struct refinfo **)b;
48
49         return cmp_age(r1->tag->tagger_date, r2->tag->tagger_date);
50 }
51
52 static int print_branch(struct refinfo *ref)
53 {
54         struct commitinfo *info = ref->commit;
55         char *name = (char *)ref->refname;
56
57         if (!info)
58                 return 1;
59         html("<tr><td>");
60         cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL);
61         html("</td><td>");
62
63         if (ref->object->type == OBJ_COMMIT) {
64                 cgit_print_age(info->commit->date, -1, NULL);
65                 html("</td><td>");
66                 html_txt(info->author);
67                 html("</td><td>");
68                 cgit_commit_link(info->subject, NULL, NULL, name, NULL);
69         } else {
70                 html("</td><td></td><td>");
71                 cgit_object_link(ref->object);
72         }
73         html("</td></tr>\n");
74         return 0;
75 }
76
77 static void print_tag_header()
78 {
79         html("<tr class='nohover'><th class='left'>Tag</th>"
80              "<th class='left'>Age</th>"
81              "<th class='left'>Author</th>"
82              "<th class='left'>Reference</th></tr>\n");
83         header = 1;
84 }
85
86 static int print_tag(struct refinfo *ref)
87 {
88         struct tag *tag;
89         struct taginfo *info;
90         char *url, *name = (char *)ref->refname;
91
92         if (ref->object->type == OBJ_TAG) {
93                 tag = (struct tag *)ref->object;
94                 info = ref->tag;
95                 if (!tag || !info)
96                         return 1;
97                 html("<tr><td>");
98                 url = cgit_pageurl(ctx.qry.repo, "tag",
99                                    fmt("id=%s", name));
100                 html_link_open(url, NULL, NULL);
101                 html_txt(name);
102                 html_link_close();
103                 html("</td><td>");
104                 if (info->tagger_date > 0)
105                         cgit_print_age(info->tagger_date, -1, NULL);
106                 html("</td><td>");
107                 if (info->tagger)
108                         html(info->tagger);
109                 html("</td><td>");
110                 cgit_object_link(tag->tagged);
111                 html("</td></tr>\n");
112         } else {
113                 if (!header)
114                         print_tag_header();
115                 html("<tr><td>");
116                 html_txt(name);
117                 html("</td><td colspan='2'/><td>");
118                 cgit_object_link(ref->object);
119                 html("</td></tr>\n");
120         }
121         return 0;
122 }
123
124 static void print_refs_link(char *path)
125 {
126         html("<tr class='nohover'><td colspan='4'>");
127         cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
128         html("</td></tr>");
129 }
130
131 void cgit_print_branches(int maxcount)
132 {
133         struct reflist list;
134         int i;
135
136         html("<tr class='nohover'><th class='left'>Branch</th>"
137              "<th class='left'>Idle</th>"
138              "<th class='left'>Author</th>"
139              "<th class='left'>Head commit</th></tr>\n");
140
141         list.refs = NULL;
142         list.alloc = list.count = 0;
143         for_each_branch_ref(cgit_refs_cb, &list);
144
145         if (maxcount == 0 || maxcount > list.count)
146                 maxcount = list.count;
147
148         if (maxcount < list.count) {
149                 qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
150                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
151         }
152
153         for(i=0; i<maxcount; i++)
154                 print_branch(list.refs[i]);
155
156         if (maxcount < list.count)
157                 print_refs_link("heads");
158 }
159
160 void cgit_print_tags(int maxcount)
161 {
162         struct reflist list;
163         int i;
164
165         header = 0;
166         list.refs = NULL;
167         list.alloc = list.count = 0;
168         for_each_tag_ref(cgit_refs_cb, &list);
169         if (list.count == 0)
170                 return;
171         qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
172         if (!maxcount)
173                 maxcount = list.count;
174         else if (maxcount > list.count)
175                 maxcount = list.count;
176         print_tag_header();
177         for(i=0; i<maxcount; i++)
178                 print_tag(list.refs[i]);
179
180         if (maxcount < list.count)
181                 print_refs_link("tags");
182 }
183
184 void cgit_print_summary()
185 {
186         if (ctx.repo->readme) {
187                 html("<div id='summary'>");
188                 html_include(ctx.repo->readme);
189                 html("</div>");
190         }
191         if (ctx.cfg.summary_log > 0)
192                 cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
193                                NULL, NULL, 0);
194         html("<table summary='repository info' class='list nowrap'>");
195         if (ctx.cfg.summary_log > 0)
196                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
197         cgit_print_branches(ctx.cfg.summary_branches);
198         html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
199         cgit_print_tags(ctx.cfg.summary_tags);
200         html("</table>");
201 }