1/* ui-atom.c: functions for atom feeds
  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-atom.h"
 11#include "html.h"
 12#include "ui-shared.h"
 13
 14static void add_entry(struct commit *commit, const char *host)
 15{
 16	char delim = '&';
 17	char *hex;
 18	char *mail, *t, *t2;
 19	struct commitinfo *info;
 20
 21	info = cgit_parse_commit(commit);
 22	hex = sha1_to_hex(commit->object.sha1);
 23	html("<entry>\n");
 24	html("<title>");
 25	html_txt(info->subject);
 26	html("</title>\n");
 27	html("<updated>");
 28	cgit_print_date(info->committer_date, FMT_ATOMDATE, 0);
 29	html("</updated>\n");
 30	html("<author>\n");
 31	if (info->author) {
 32		html("<name>");
 33		html_txt(info->author);
 34		html("</name>\n");
 35	}
 36	if (info->author_email && !ctx.cfg.noplainemail) {
 37		mail = xstrdup(info->author_email);
 38		t = strchr(mail, '<');
 39		if (t)
 40			t++;
 41		else
 42			t = mail;
 43		t2 = strchr(t, '>');
 44		if (t2)
 45			*t2 = '\0';
 46		html("<email>");
 47		html_txt(t);
 48		html("</email>\n");
 49		free(mail);
 50	}
 51	html("</author>\n");
 52	html("<published>");
 53	cgit_print_date(info->author_date, FMT_ATOMDATE, 0);
 54	html("</published>\n");
 55	if (host) {
 56		html("<link rel='alternate' type='text/html' href='");
 57		html(cgit_httpscheme());
 58		html_attr(host);
 59		html_attr(cgit_pageurl(ctx.repo->url, "commit", NULL));
 60		if (ctx.cfg.virtual_root)
 61			delim = '?';
 62		htmlf("%cid=%s", delim, hex);
 63		html("'/>\n");
 64	}
 65	htmlf("<id>%s</id>\n", hex);
 66	html("<content type='text'>\n");
 67	html_txt(info->msg);
 68	html("</content>\n");
 69	html("<content type='xhtml'>\n");
 70	html("<div xmlns='http://www.w3.org/1999/xhtml'>\n");
 71	html("<pre>\n");
 72	html_txt(info->msg);
 73	html("</pre>\n");
 74	html("</div>\n");
 75	html("</content>\n");
 76	html("</entry>\n");
 77	cgit_free_commitinfo(info);
 78}
 79
 80
 81void cgit_print_atom(char *tip, char *path, int max_count)
 82{
 83	const char *host;
 84	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
 85	struct commit *commit;
 86	struct rev_info rev;
 87	int argc = 2;
 88
 89	if (ctx.qry.show_all)
 90		argv[1] = "--all";
 91	else if (!tip)
 92		argv[1] = ctx.qry.head;
 93
 94	if (path) {
 95		argv[argc++] = "--";
 96		argv[argc++] = path;
 97	}
 98
 99	init_revisions(&rev, NULL);
100	rev.abbrev = DEFAULT_ABBREV;
101	rev.commit_format = CMIT_FMT_DEFAULT;
102	rev.verbose_header = 1;
103	rev.show_root_diff = 0;
104	rev.max_count = max_count;
105	setup_revisions(argc, argv, &rev, NULL);
106	prepare_revision_walk(&rev);
107
108	host = cgit_hosturl();
109	ctx.page.mimetype = "text/xml";
110	ctx.page.charset = "utf-8";
111	cgit_print_http_headers();
112	html("<feed xmlns='http://www.w3.org/2005/Atom'>\n");
113	html("<title>");
114	html_txt(ctx.repo->name);
115	if (path) {
116		html("/");
117		html_txt(path);
118	}
119	if (tip && !ctx.qry.show_all) {
120		html(", branch ");
121		html_txt(tip);
122	}
123	html("</title>\n");
124	html("<subtitle>");
125	html_txt(ctx.repo->desc);
126	html("</subtitle>\n");
127	if (host) {
128		html("<link rel='alternate' type='text/html' href='");
129		html(cgit_httpscheme());
130		html_attr(host);
131		html_attr(cgit_repourl(ctx.repo->url));
132		html("'/>\n");
133	}
134	while ((commit = get_revision(&rev)) != NULL) {
135		add_entry(commit, host);
136		free_commit_buffer(commit);
137		free_commit_list(commit->parents);
138		commit->parents = NULL;
139	}
140	html("</feed>\n");
141}