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 = oid_to_hex(&commit->object.oid);
 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		char *pageurl;
 57		html("<link rel='alternate' type='text/html' href='");
 58		html(cgit_httpscheme());
 59		html_attr(host);
 60		pageurl = cgit_pageurl(ctx.repo->url, "commit", NULL);
 61		html_attr(pageurl);
 62		if (ctx.cfg.virtual_root)
 63			delim = '?';
 64		htmlf("%cid=%s", delim, hex);
 65		html("'/>\n");
 66		free(pageurl);
 67	}
 68	htmlf("<id>%s</id>\n", hex);
 69	html("<content type='text'>\n");
 70	html_txt(info->msg);
 71	html("</content>\n");
 72	html("<content type='xhtml'>\n");
 73	html("<div xmlns='http://www.w3.org/1999/xhtml'>\n");
 74	html("<pre>\n");
 75	html_txt(info->msg);
 76	html("</pre>\n");
 77	html("</div>\n");
 78	html("</content>\n");
 79	html("</entry>\n");
 80	cgit_free_commitinfo(info);
 81}
 82
 83
 84void cgit_print_atom(char *tip, char *path, int max_count)
 85{
 86	char *host;
 87	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
 88	struct commit *commit;
 89	struct rev_info rev;
 90	int argc = 2;
 91
 92	if (ctx.qry.show_all)
 93		argv[1] = "--all";
 94	else if (!tip)
 95		argv[1] = ctx.qry.head;
 96
 97	if (path) {
 98		argv[argc++] = "--";
 99		argv[argc++] = path;
100	}
101
102	init_revisions(&rev, NULL);
103	rev.abbrev = DEFAULT_ABBREV;
104	rev.commit_format = CMIT_FMT_DEFAULT;
105	rev.verbose_header = 1;
106	rev.show_root_diff = 0;
107	rev.max_count = max_count;
108	setup_revisions(argc, argv, &rev, NULL);
109	prepare_revision_walk(&rev);
110
111	host = cgit_hosturl();
112	ctx.page.mimetype = "text/xml";
113	ctx.page.charset = "utf-8";
114	cgit_print_http_headers();
115	html("<feed xmlns='http://www.w3.org/2005/Atom'>\n");
116	html("<title>");
117	html_txt(ctx.repo->name);
118	if (path) {
119		html("/");
120		html_txt(path);
121	}
122	if (tip && !ctx.qry.show_all) {
123		html(", branch ");
124		html_txt(tip);
125	}
126	html("</title>\n");
127	html("<subtitle>");
128	html_txt(ctx.repo->desc);
129	html("</subtitle>\n");
130	if (host) {
131		char *repourl = cgit_repourl(ctx.repo->url);
132		html("<link rel='alternate' type='text/html' href='");
133		html(cgit_httpscheme());
134		html_attr(host);
135		html_attr(repourl);
136		html("'/>\n");
137		free(repourl);
138	}
139	while ((commit = get_revision(&rev)) != NULL) {
140		add_entry(commit, host);
141		free_commit_buffer(commit);
142		free_commit_list(commit->parents);
143		commit->parents = NULL;
144	}
145	html("</feed>\n");
146	free(host);
147}