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namespace Wixl {
public errordomain Error {
FAILED,
FIXME,
}
public G enum_from_string<G> (string str) throws GLib.Error {
var k = (EnumClass)typeof(G).class_ref ();
var v = k.get_value_by_nick (str);
if (v == null)
throw new Wixl.Error.FAILED ("Can't convert string to enum");
return v.value;
}
public void hash_table_add<G> (HashTable<G, G*> h, G o) {
h.replace (o, o);
}
public string add_braces (string str) {
if (str[0] == '{')
return str;
return "{" + str + "}";
}
public string get_uuid (owned string uuid) throws GLib.Error {
if (uuid == "*")
uuid = Uuid.string_random ();
uuid = add_braces (uuid);
uuid = uuid.up ();
// FIXME: validate
return uuid;
}
public int64 now () {
return get_real_time() / TimeSpan.SECOND;
}
public uint64 time_to_filetime (int64 t) {
return (t + 134774ULL * 86400ULL) * 10000000ULL;
}
public string indent (string space, string text) {
var indented = "";
foreach (var l in text.split ("\n")) {
if (indented.length != 0)
indented += "\n";
if (l.length != 0)
indented += space + l;
}
return indented;
}
/* Namespace UUID: {de73ba5a-ed96-4a66-ba1b-fbb44e659ad7} */
const string uuid_namespace =
"\xde\x73\xba\x5a\xed\x96\x4a\x66\xba\x1b\xfb\xb4\x4e\x65\x9a\xd7";
public static string uuid_from_name(string s) {
var cs = new Checksum (ChecksumType.SHA1);
uint8 buffer[20];
size_t buflen = buffer.length;
cs.update (uuid_namespace.data, 16);
cs.update (s.data, s.length);
cs.get_digest (buffer, ref buflen);
return "{%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X}".
printf(buffer[0], buffer[1], buffer[2], buffer[3],
buffer[4], buffer[5], (buffer[6] & 15) | 0x50, buffer[7],
(buffer[8] & 0x3F) | 0x80, buffer[9], buffer[10], buffer[11],
buffer[12], buffer[13], buffer[14], buffer[15]);
}
public string generate_id (string prefix, uint n, ...) {
var l = va_list ();
var args = new string[n];
for (var i = 0; n > 0; n--) {
string? val = l.arg ();
if (val == null)
continue;
args[i] = val; // FIXME: misc vala bug when +=
i += 1;
}
var data = string.joinv ("|", args);
var hash = Checksum.compute_for_string (ChecksumType.SHA1, data);
var str = prefix + hash[0:32].up ();
return str;
}
public string random_id (string prefix) {
var data = new uint32[8] {};
for (var i = 0; i < 8; i++)
data[i] = Random.next_int ();
var hash = Checksum.compute_for_data (ChecksumType.SHA1, (uint8[])data);
return prefix + hash[0:32].up ();
}
public string yesno (bool yes) {
return yes ? "yes" : "no";
}
public bool parse_yesno (string? str, bool default = false) {
if (str == null)
return default;
return (str[0] == 'Y' || str[0] == 'y');
}
public string unquote (string str) {
if ((str[0] == '\'' && str[str.length-1] == '\'') ||
(str[0] == '"' && str[str.length-1] == '"'))
return str[1:-1];
return str;
}
public string remove_prefix (string prefix, string str) {
if (str.has_prefix (prefix))
return str[prefix.length:str.length];
return str;
}
public int find_closing_paren (string str) {
return_val_if_fail (str[0] == '(', -1);
var open_count = 1;
var close_count = 0;
for (var pos = 1; pos < str.length; pos++) {
if (str[pos] == '(')
open_count++;
else if (str[pos] == ')') {
close_count++;
if (open_count == close_count)
return pos;
}
}
return -1;
}
public void compute_md5 (File file, ref int hash1, ref int hash2, ref int hash3, ref int hash4) throws GLib.Error {
var checksum = new Checksum (ChecksumType.MD5);
var stream = file.read ();
uint8 fbuf[4096];
size_t size;
while ((size = stream.read (fbuf)) > 0) {
checksum.update (fbuf, size);
}
int buffer[4];
size_t buflen = 16;
checksum.get_digest ((uint8[])buffer, ref buflen);
hash1 = buffer[0];
hash2 = buffer[1];
hash3 = buffer[2];
hash4 = buffer[3];
}
public class UnixInputStream : GLib.InputStream {
public int fd { get; set construct; }
public UnixInputStream(int fd_) {
fd = fd_;
}
public override ssize_t read ([CCode (array_length_type = "gsize")] uint8[] buffer, GLib.Cancellable? cancellable = null) throws GLib.IOError {
return Posix.read(fd, buffer, buffer.length);
}
public override bool close(GLib.Cancellable? cancellable = null) throws GLib.IOError {
return true;
}
}
} // Wixl
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