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	html_txt(show_date(info->committer_date, 0,
 29                    date_mode_from_type(DATE_ISO8601_STRICT)));
 30	html("</updated>\n");
 31	html("<author>\n");
 32	if (info->author) {
 33		html("<name>");
 34		html_txt(info->author);
 35		html("</name>\n");
 36	}
 37	if (info->author_email && !ctx.cfg.noplainemail) {
 38		mail = xstrdup(info->author_email);
 39		t = strchr(mail, '<');
 40		if (t)
 41			t++;
 42		else
 43			t = mail;
 44		t2 = strchr(t, '>');
 45		if (t2)
 46			*t2 = '\0';
 47		html("<email>");
 48		html_txt(t);
 49		html("</email>\n");
 50		free(mail);
 51	}
 52	html("</author>\n");
 53	html("<published>");
 54	html_txt(show_date(info->author_date, 0,
 55                    date_mode_from_type(DATE_ISO8601_STRICT)));
 56	html("</published>\n");
 57	if (host) {
 58		char *pageurl;
 59		html("<link rel='alternate' type='text/html' href='");
 60		html(cgit_httpscheme());
 61		html_attr(host);
 62		pageurl = cgit_pageurl(ctx.repo->url, "commit", NULL);
 63		html_attr(pageurl);
 64		if (ctx.cfg.virtual_root)
 65			delim = '?';
 66		htmlf("%cid=%s", delim, hex);
 67		html("'/>\n");
 68		free(pageurl);
 69	}
 70	htmlf("<id>%s</id>\n", hex);
 71	html("<content type='text'>\n");
 72	html_txt(info->msg);
 73	html("</content>\n");
 74	html("<content type='xhtml'>\n");
 75	html("<div xmlns='http://www.w3.org/1999/xhtml'>\n");
 76	html("<pre>\n");
 77	html_txt(info->msg);
 78	html("</pre>\n");
 79	html("</div>\n");
 80	html("</content>\n");
 81	html("</entry>\n");
 82	cgit_free_commitinfo(info);
 83}
 84
 85
 86void cgit_print_atom(char *tip, char *path, int max_count)
 87{
 88	char *host;
 89	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
 90	struct commit *commit;
 91	struct rev_info rev;
 92	int argc = 2;
 93
 94	if (ctx.qry.show_all)
 95		argv[1] = "--all";
 96	else if (!tip)
 97		argv[1] = ctx.qry.head;
 98
 99	if (path) {
100		argv[argc++] = "--";
101		argv[argc++] = path;
102	}
103
104	init_revisions(&rev, NULL);
105	rev.abbrev = DEFAULT_ABBREV;
106	rev.commit_format = CMIT_FMT_DEFAULT;
107	rev.verbose_header = 1;
108	rev.show_root_diff = 0;
109	rev.max_count = max_count;
110	setup_revisions(argc, argv, &rev, NULL);
111	prepare_revision_walk(&rev);
112
113	host = cgit_hosturl();
114	ctx.page.mimetype = "text/xml";
115	ctx.page.charset = "utf-8";
116	cgit_print_http_headers();
117	html("<feed xmlns='http://www.w3.org/2005/Atom'>\n");
118	html("<title>");
119	html_txt(ctx.repo->name);
120	if (path) {
121		html("/");
122		html_txt(path);
123	}
124	if (tip && !ctx.qry.show_all) {
125		html(", branch ");
126		html_txt(tip);
127	}
128	html("</title>\n");
129	html("<subtitle>");
130	html_txt(ctx.repo->desc);
131	html("</subtitle>\n");
132	if (host) {
133		char *repourl = cgit_repourl(ctx.repo->url);
134		html("<link rel='alternate' type='text/html' href='");
135		html(cgit_httpscheme());
136		html_attr(host);
137		html_attr(repourl);
138		html("'/>\n");
139		free(repourl);
140	}
141	while ((commit = get_revision(&rev)) != NULL) {
142		add_entry(commit, host);
143		free_commit_buffer(commit);
144		free_commit_list(commit->parents);
145		commit->parents = NULL;
146	}
147	html("</feed>\n");
148	free(host);
149}