/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* @software : pluie-yaml <https://git.pluie.org/pluie/lib-yaml>
* @version : 0.5
* @type : library
* @date : 2018
* @licence : GPLv3.0 <http://www.gnu.org/licenses/>
* @author : a-Sansara <[dev]at[pluie]dot[org]>
* @copyright : pluie.org <http://www.pluie.org/>
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* This file is part of pluie-yaml.
*
* pluie-yaml is free software (free as in speech) : you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* pluie-yaml is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with pluie-yaml. If not, see <http://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
namespace Pluie
{
namespace Yaml
{
const string YAML_VERSION = "1.2";
const string YAML_VALA_PREFIX = "v";
const string YAML_VALA_DIRECTIVE = "tag:pluie.org,2018:vala/";
public static bool DEBUG = false;
public static bool DBG_SHOW_INDENT = true;
public static bool DBG_SHOW_PARENT = false;
public static bool DBG_SHOW_UUID = true;
public static bool DBG_SHOW_LEVEL = false;
public static bool DBG_SHOW_REF = false;
public static bool DBG_SHOW_COUNT = true;
public static bool DBG_SHOW_TAG = true;
public static bool DBG_SHOW_TYPE = true;
/**
*
*/
public static void dbg_action (string msg, string? val = null)
{
if (Pluie.Yaml.DEBUG) of.action (msg, val);
}
/**
*
*/
public static void dbg_keyval (string key, string val)
{
if (Pluie.Yaml.DEBUG) of.keyval (key, val);
}
/**
*
*/
public static void dbg_state (bool done)
{
if (Pluie.Yaml.DEBUG) of.state (done);
}
/**
*
*/
public static void dbg (string? msg = null)
{
if (Pluie.Yaml.DEBUG && msg != null) of.echo (msg);
}
/**
* ParseError
*/
public errordomain AddNodeError
{
MAPPING_CONTAINS_CHILD,
MAPPING_IS_SINGLE_PAIR,
MAPPING_NOT_SINGLE_PAIR
}
private const ZlibCompressorFormat ZFORMAT = ZlibCompressorFormat.GZIP;
/**
*
*/
private void convert (File source, File dest, Converter converter) throws Error {
var src_stream = source.read ();
var dst_stream = dest.replace (null, false, 0);
var conv_stream = new ConverterOutputStream (dst_stream, converter);
// 'splice' pumps all data from an InputStream to an OutputStream
conv_stream.splice (src_stream, 0);
}
/**
*
*/
public static uint8[] serialize (GLib.Object? obj, string? dest = null)
{
Array<uint8> a = new Array<uint8> ();
if (obj != null) {
var node = obj.get_type ().is_a (typeof (Yaml.Node)) ? obj as Yaml.Node : Yaml.Builder.to_node (obj);
if (node != null) {
var content = node.to_yaml_string ();
var date = new GLib.DateTime.now_local ().format ("%s");
var path = Path.build_filename (Environment.get_tmp_dir (), "pluie-yaml-%s-%s.source".printf (date, node.uuid));
var dpath = dest == null ? path + ".gz" : dest;
var writter = new Io.Writter (path);
if (writter.write (content.data)) {
try {
var gzfile = File.new_for_path (dpath);
convert (writter.file, gzfile, new ZlibCompressor (ZFORMAT));
var reader = new Io.InputChunkStream(dpath, 80);
while (!reader.eof ()) {
var b = reader.read ();
a.append_vals (b, reader.get_buffer_size ());
}
writter.delete_file ();
if (dest == null) {
writter.delete_file (gzfile);
}
}
catch (GLib.Error e) {
of.error (e.message);
}
}
}
}
return a.data;
}
/**
*
*/
public static Yaml.Root deserialize (uint8[] zdata)
{
Yaml.Root? obj = null;
if (zdata.length > 0) {
var date = new GLib.DateTime.now_local ().format ("%s");
var path = Path.build_filename (Environment.get_tmp_dir (), "pluie-yaml-%s.gz".printf (date));
var dpath = Path.build_filename (Environment.get_tmp_dir (), "pluie-yaml-%s.source".printf (date));
var writter = new Io.Writter (path);
if (writter.write (zdata)) {
var file = File.new_for_path (dpath);
convert (writter.file, file, new ZlibDecompressor (ZFORMAT));
var config = new Yaml.Config (dpath);
obj = config.root_node ();
writter.delete_file ();
}
}
return obj;
}
/**
* haxadecimal sequence
*/
const string hexa_sequence = "0123456789abcdef";
/**
* convert %02x string to uint8
* @param hex2byte string representation of hexadecimal value on 1 byte
*/
uint8 hex_to_dec (string hexbyte)
{
return (uint8) (
Yaml.hexa_sequence.index_of(hexbyte.data[0].to_string ())*16 +
Yaml.hexa_sequence.index_of(hexbyte.data[1].to_string ())
);
}
/**
* enum MatchInfo keys of Yaml.Mode.find method related to mode FIND_MODE.SQUARE_BRACKETS of Yaml.Node
*/
public enum EVT {
NONE,
STREAM_START,
STREAM_END,
VERSION_DIRECTIVE,
TAG_DIRECTIVE,
DOCUMENT_START,
DOCUMENT_END,
BLOCK_SEQUENCE_START,
BLOCK_MAPPING_START,
BLOCK_END,
FLOW_SEQUENCE_START,
FLOW_SEQUENCE_END,
FLOW_MAPPING_START,
FLOW_MAPPING_END,
BLOCK_ENTRY,
FLOW_ENTRY,
KEY,
VALUE,
ALIAS,
ANCHOR,
TAG,
SCALAR;
/**
* @return infos related to EVT
*/
public string infos ()
{
return this.to_string().substring("PLUIE_YAML_".length);
}
/**
* @return event is key
*/
public bool is_key ()
{
return this == EVT.KEY;
}
/**
* @return event is anchor
*/
public bool is_anchor ()
{
return this == EVT.ANCHOR;
}
/**
* @return event is alias
*/
public bool is_alias ()
{
return this == EVT.ALIAS;
}
/**
* @return event is tag
*/
public bool is_tag ()
{
return this == EVT.TAG;
}
/**
* @return event is tag
*/
public bool is_tag_directive ()
{
return this == EVT.TAG_DIRECTIVE;
}
/**
* @return event is key
*/
public bool is_value ()
{
return this == EVT.VALUE;
}
/**
* @return event is scalar
*/
public bool is_scalar ()
{
return this == EVT.SCALAR;
}
/**
* @return event is mapping start event
*/
public bool is_mapping_start ()
{
return this == EVT.BLOCK_MAPPING_START || this == EVT.FLOW_MAPPING_START;
}
/**
* @return event is sequence start event
*/
public bool is_sequence_start ()
{
return this == EVT.BLOCK_SEQUENCE_START || this == EVT.FLOW_SEQUENCE_START;
}
/**
* @return event is sequence end event
*/
public bool is_sequence_end ()
{
return this == EVT.BLOCK_END || this == EVT.FLOW_SEQUENCE_END;
}
/**
* @return event is sequence entry event
*/
public bool is_entry ()
{
return this == EVT.BLOCK_ENTRY || this == EVT.FLOW_ENTRY;
}
/**
* @return event is mapping end event
*/
public bool is_mapping_end ()
{
return this == EVT.BLOCK_END;
}
/**
* @return event is error event
*/
public bool is_error ()
{
return this == EVT.NONE;
}
}
/**
* enum possible find mode of Yaml.Node.mode
*/
public enum FIND_MODE
{
DOT,
SQUARE_BRACKETS;
/**
*
*/
public bool is_dot ()
{
return this == DOT;
}
}
public static FIND_MODE MODE = FIND_MODE.DOT;
/**
* enum MatchInfo keys of Yaml.Mode.find method related to mode FIND_MODE.SQUARE_BRACKETS of Yaml.Node
*/
internal enum FIND_COLLECTION { PATH, OPEN, KEY, CLOSE; }
/**
* enum MatchInfo keys of Yaml.Node.find method related to mode FIND_MODE.DOT of Yaml.Node
*/
internal enum FIND_DOT { PATH, KEY, SEQUENCE; }
/**
* enum possible type of Yaml.Node
*/
public enum NODE_TYPE
{
UNDEFINED,
ROOT,
SCALAR,
SINGLE_PAIR,
MAPPING,
SEQUENCE;
/**
* @return if current NODE_TYPE match a collection node (root|mapping|sequence)
*/
public bool is_collection ()
{
return this == MAPPING || this == SEQUENCE || this == ROOT;
}
/**
* @return if current NODE_TYPE match a scalar node
*/
public bool is_scalar ()
{
return this == SCALAR;
}
/**
* @return if current NODE_TYPE match a single/pair mapping node
*/
public bool is_single_pair ()
{
return this == SINGLE_PAIR;
}
/**
* @return if current NODE_TYPE match a mapping node
*/
public bool is_mapping ()
{
return this == MAPPING;
}
/**
* @return if current NODE_TYPE match a sequence node
*/
public bool is_sequence ()
{
return this == SEQUENCE;
}
/**
* @return if current NODE_TYPE match a root node
*/
public bool is_root ()
{
return this == ROOT;
}
/**
*@return infos related to NODE_TYPE
*/
public string infos ()
{
return this.to_string().substring("PLUIE_YAML_NODE_TYPE_".length);
}
}
/**
*@return universal infos related to NODE_TYPE
*/
public string uuid ()
{
var sb = new StringBuilder();
for (var i = 0; i < 4; i++) sb.append (Random.next_int ().to_string ("%08x"));
var h = sb.str;
var d = Yaml.hex_to_dec (h.substring (16, 2));
d &= 0x3f;
d |= 0x80;
return "%s-%s-4%s-%02x%s-%s".printf (
h.substring (0, 8),
h.substring (8, 4),
h.substring (13, 3),
d,
h.substring (18, 2),
h.substring (20)
);
}
}
}