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
 17static 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
 41static 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
 73void 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. */
 99static 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
132void 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}