/* ui-atom.c: functions for atom feeds

*

* Copyright (C) 2008 Lars Hjemli

*

* Licensed under GNU General Public License v2

* (see COPYING for full license text)

*/

#include "cgit.h"

#include "html.h"

#include "ui-shared.h"

#include "ui-diff.h"

void add_entry(struct commit *commit, struct commitinfo *info, char *host, int enable_atom_diff)

{

char delim = '&';

char *hex;

char *hex_parent;

char *mail, *t, *t2;

hex = sha1_to_hex(commit->object.sha1);

if (commit->parents) {

hex_parent = sha1_to_hex(commit->parents->item->object.sha1);

} else {

hex_parent = NULL; /* means before initial commit */

}

html("<entry>\n");

html("<title>");

html_txt(info->subject);

html("</title>\n");

html("<updated>");

cgit_print_date(info->committer_date, FMT_ATOMDATE, 0);

html("</updated>\n");

html("<author>\n");

if (info->author) {

html("<name>");

html_txt(info->author);

html("</name>\n");

}

if (info->author_email && !ctx.cfg.noplainemail) {

mail = xstrdup(info->author_email);

t = strchr(mail, '<');

if (t)

t++;

else

t = mail;

t2 = strchr(t, '>');

if (t2)

*t2 = '\0';

html("<email>");

html_txt(t);

html("</email>\n");

free(mail);

}

html("</author>\n");

html("<published>");

cgit_print_date(info->author_date, FMT_ATOMDATE, 0);

html("</published>\n");

if (host) {

html("<link rel='alternate' type='text/html' href='");

html(cgit_httpscheme());

html_attr(host);

html_attr(cgit_pageurl(ctx.repo->url, "commit", NULL));

if (ctx.cfg.virtual_root)

delim = '?';

htmlf("%cid=%s", delim, hex);

html("'/>\n");

html("<id>");

html(cgit_httpscheme());

html_attr(host);

html_attr(cgit_repourl(ctx.repo->url));

htmlf("/commit/?id=%s</id>\n", hex);

} else {

htmlf("<id>urn:tag:%s</id>\n", hex);

}

html("<content type='xhtml'>\n");

html("<div xmlns='http://www.w3.org/1999/xhtml'>\n");

html("<pre>\n");

html_txt(info->msg);

html("</pre>\n");

if (enable_atom_diff) {

html("<pre class='diff'>\n");

html("<style scoped=\"scoped\">\n"); /* HTML5 with graceful degradation */

html("table.diff .add, span.add { background-color: #afa; }");

html("table.diff .del, span.remove { background-color: #faa; }");

html("</style>\n");

cgit_print_diff(hex, hex_parent, NULL);

html("</pre>");

}

html("</div>\n");

html("</content>\n");

html("</entry>\n");

}

void cgit_print_atom(char *tip, char *path, int max_count, int enable_atom_diff)

{

char *host;

const char *argv[] = {NULL, tip, NULL, NULL, NULL};

struct commit *commit;

struct rev_info rev;

int argc = 2;

int had_global_updated = 0;

if (ctx.qry.show_all)

argv[1] = "--all";

else if (!tip)

argv[1] = ctx.qry.head;

if (path) {

argv[argc++] = "--";

argv[argc++] = path;

}

init_revisions(&rev, NULL);

rev.abbrev = DEFAULT_ABBREV;

rev.commit_format = CMIT_FMT_DEFAULT;

rev.verbose_header = 1;

rev.show_root_diff = 0;

rev.max_count = max_count;

setup_revisions(argc, argv, &rev, NULL);

prepare_revision_walk(&rev);

host = cgit_hosturl();

ctx.page.mimetype = "text/xml";

ctx.page.charset = "utf-8";

cgit_print_http_headers(&ctx);

html("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");

html("<feed xmlns='http://www.w3.org/2005/Atom'>\n");

html("<title>");

html_txt(ctx.repo->name);

if (path) {

html("/");

html_txt(path);

}

if (tip && !ctx.qry.show_all) {

html(", branch ");

html_txt(tip);

}

html("</title>\n");

html("<subtitle>");

html_txt(ctx.repo->desc);

html("</subtitle>\n");

if (host) {

html("<link rel='alternate' type='text/html' href='");

html(cgit_httpscheme());

html_attr(host);

html_attr(cgit_repourl(ctx.repo->url));

html("'/>\n");

html("<link rel='self' type='application/atom+xml' href='");

html(cgit_httpscheme());

html_attr(host);

html_attr(cgit_repourl(ctx.repo->url));

html("atom");

if (tip) {

html("/?h=");

html_txt(tip);

}

html("'/>\n");

html("<id>");

html(cgit_httpscheme());

html_txt(host);

html_txt(cgit_repourl(ctx.repo->url));

html("</id>\n");

}

while ((commit = get_revision(&rev)) != NULL) {

struct commitinfo *info = cgit_parse_commit(commit);

if (!had_global_updated) {

html("<updated>");

cgit_print_date(info->committer_date, FMT_ATOMDATE, 0);

html("</updated>\n");

had_global_updated = 1;

}

add_entry(commit, info, host, enable_atom_diff);

cgit_free_commitinfo(info);

free(commit->buffer);

commit->buffer = NULL;

free_commit_list(commit->parents);

commit->parents = NULL;

}

html("</feed>\n");

}