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ui-plain: print directory listings 

When a user requests a plain view of a tree (as opposed to a blob),
print out a directory listing rather than giving a 404 Not Found.

Also, fix a segfault when ctx->qry.path is NULL - i.e, when /plain is
requested without a path.

Signed-off-by: Mark Lodato <lodatom@gmail.com>
This commit is contained in:
Mark Lodato 2010-01-31 14:25:03 -05:00
parent 74ebf82229
commit 6c1a736455
1 changed files with 47 additions and 1 deletions
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48
ui-plain.c
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@ -52,6 +52,38 @@ static void print_object(const unsigned char *sha1, const char *path)
match = 1;
}
static void print_dir(const unsigned char *sha1, const char *path,
const char *base)
{
char *fullpath;
if (path[0] || base[0])
fullpath = fmt("/%s%s/", base, path);
else
fullpath = "/";
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
htmlf("<html><head><title>%s</title></head>\n<body>\n"
" <h2>%s</h2>\n <ul>\n", fullpath, fullpath);
if (path[0] || base[0])
html(" <li><a href=\"../\">../</a></li>\n");
match = 2;
}
static void print_dir_entry(const unsigned char *sha1, const char *path,
unsigned mode)
{
const char *sep = "";
if (S_ISDIR(mode))
sep = "/";
htmlf(" <li><a href=\"%s%s\">%s%s</a></li>\n", path, sep, path, sep);
match = 2;
}
static void print_dir_tail(void)
{
html(" </ul>\n</body></html>\n");
}
static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage,
void *cbdata)
@ -59,7 +91,13 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
if (baselen == match_baselen) {
if (S_ISREG(mode))
print_object(sha1, pathname);
else if (S_ISDIR(mode)) {
print_dir(sha1, pathname, base);
return READ_TREE_RECURSIVE;
}
}
else if (baselen > match_baselen)
print_dir_entry(sha1, pathname, mode);
else if (S_ISDIR(mode))
return READ_TREE_RECURSIVE;
@ -93,8 +131,16 @@ void cgit_print_plain(struct cgit_context *ctx)
html_status(404, "Not found", 0);
return;
}
match_baselen = basedir_len(paths[0]);
if (!paths[0]) {
paths[0] = "";
match_baselen = -1;
print_dir(commit->tree->object.sha1, "", "");
}
else
match_baselen = basedir_len(paths[0]);
read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
if (!match)
html_status(404, "Not found", 0);
else if (match == 2)
print_dir_tail();
}