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1 /* ui-summary.c: functions for generating repo summary page
2  *
3  * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
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-summary.h"
11 #include "html.h"
12 #include "ui-log.h"
13 #include "ui-refs.h"
14 #include "ui-blob.h"
15 #include <libgen.h>
16
17 static void print_url(char *base, char *suffix)
18 {
19         int columns = 3;
20         struct strbuf basebuf = STRBUF_INIT;
21
22         if (ctx.repo->enable_log_filecount)
23                 columns++;
24         if (ctx.repo->enable_log_linecount)
25                 columns++;
26
27         if (!base || !*base)
28                 return;
29         if (suffix && *suffix) {
30                 strbuf_addf(&basebuf, "%s/%s", base, suffix);
31                 base = basebuf.buf;
32         }
33         htmlf("<tr><td colspan='%d'><a href='", columns);
34         html_url_path(base);
35         html("'>");
36         html_txt(base);
37         html("</a></td></tr>\n");
38         strbuf_release(&basebuf);
39 }
40
41 static void print_urls(char *txt, char *suffix)
42 {
43         char *h = txt, *t, c;
44         int urls = 0;
45         int columns = 3;
46
47         if (ctx.repo->enable_log_filecount)
48                 columns++;
49         if (ctx.repo->enable_log_linecount)
50                 columns++;
51
52
53         while (h && *h) {
54                 while (h && *h == ' ')
55                         h++;
56                 if (!*h)
57                         break;
58                 t = h;
59                 while (t && *t && *t != ' ')
60                         t++;
61                 c = *t;
62                 *t = 0;
63                 if (urls++ == 0) {
64                         htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
65                         htmlf("<tr><th class='left' colspan='%d'>Clone</th></tr>\n", columns);
66                 }
67                 print_url(h, suffix);
68                 *t = c;
69                 h = t;
70         }
71 }
72
73 void cgit_print_summary()
74 {
75         int columns = 3;
76
77         if (ctx.repo->enable_log_filecount)
78                 columns++;
79         if (ctx.repo->enable_log_linecount)
80                 columns++;
81
82         html("<table summary='repository info' class='list nowrap'>");
83         cgit_print_branches(ctx.cfg.summary_branches);
84         htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
85         cgit_print_tags(ctx.cfg.summary_tags);
86         if (ctx.cfg.summary_log > 0) {
87                 htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
88                 cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
89                                NULL, NULL, 0, 0, 0);
90         }
91         if (ctx.repo->clone_url)
92                 print_urls(expand_macros(ctx.repo->clone_url), NULL);
93         else if (ctx.cfg.clone_prefix)
94                 print_urls(ctx.cfg.clone_prefix, ctx.repo->url);
95         html("</table>");
96 }
97
98 /* The caller must free the return value. */
99 static char* append_readme_path(const char *filename, const char *ref, const char *path)
100 {
101         char *file, *base_dir, *full_path, *resolved_base = NULL, *resolved_full = NULL;
102         /* If a subpath is specified for the about page, make it relative
103          * to the directory containing the configured readme. */
104
105         file = xstrdup(filename);
106         base_dir = dirname(file);
107         if (!strcmp(base_dir, ".") || !strcmp(base_dir, "..")) {
108                 if (!ref) {
109                         free(file);
110                         return NULL;
111                 }
112                 full_path = xstrdup(path);
113         } else
114                 full_path = fmtalloc("%s/%s", base_dir, path);
115         
116         if (!ref) {
117                 resolved_base = realpath(base_dir, NULL);
118                 resolved_full = realpath(full_path, NULL);
119                 if (!resolved_base || !resolved_full || prefixcmp(resolved_full, resolved_base)) {
120                         free(full_path);
121                         full_path = NULL;
122                 }
123         }
124
125         free(file);
126         free(resolved_base);
127         free(resolved_full);
128
129         return full_path;
130 }
131
132 void cgit_print_repo_readme(char *path)
133 {
134         char *filename, *ref;
135         int free_filename = 0;
136
137         if (ctx.repo->readme.nr == 0)
138                 return;
139         
140         filename = ctx.repo->readme.items[0].string;
141         ref = ctx.repo->readme.items[0].util;
142
143         if (path) {
144                 free_filename = 1;
145                 filename = append_readme_path(filename, ref, path);
146                 if (!filename)
147                         return;
148         }
149
150         /* Print the calculated readme, either from the git repo or from the
151          * filesystem, while applying the about-filter.
152          */
153         html("<div id='summary'>");
154         cgit_open_filter(ctx.repo->about_filter, filename);
155         if (ref)
156                 cgit_print_file(filename, ref, 1);
157         else
158                 html_include(filename);
159         cgit_close_filter(ctx.repo->about_filter);
160
161         html("</div>");
162         if (free_filename)
163                 free(filename);
164 }