added

std/php/_std/sys/db/Sqlite.hx

@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2005, The haXe Project Contributors
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+package sys.db;
+
+private class SqliteConnection implements Connection {
+
+	var c : Void;
+	var e : Void;
+
+	public function new( file : String ) {
+		c = untyped __call__("sqlite_open", file, 0666, e);
+	}
+
+	public function close() {
+		untyped __call__("sqlite_close", c);
+		untyped __call__("unset", c);
+	}
+
+	public function request( s : String ) : ResultSet {
+		var h = untyped __call__("sqlite_query", c, s, __php__("SQLITE_BOTH"), e);
+		if(untyped __physeq__(h, false))
+			throw "Error while executing "+s+" ("+e+")";
+		return new SqliteResultSet(cast h);
+	}
+
+	public function escape( s : String ) {
+		return untyped __call__("sqlite_escape_string", s);
+	}
+
+	public function quote( s : String ) {
+		if( s.indexOf("\000") >= 0 )
+			return "x'"+base16_encode(s)+"'";
+		return "'" + untyped __call__("sqlite_escape_string", s) + "'";
+	}
+
+	public function addValue( s : StringBuf, v : Dynamic ) {
+		if( untyped __call__("is_int", v) || __call__("is_null", v))
+			s.add(v);
+		else if( untyped __call__("is_bool", v) )
+			s.add(if( v ) 1 else 0);
+		else
+			s.add(quote(Std.string(v)));
+	}
+
+	public function lastInsertId() {
+		return untyped __call__("sqlite_last_insert_rowid", c);
+	}
+
+	public function dbName() {
+		return "SQLite";
+	}
+
+	public function startTransaction() {
+		request("BEGIN TRANSACTION");
+	}
+
+	public function commit() {
+		request("COMMIT");
+		startTransaction(); // match mysql usage
+	}
+
+	public function rollback() {
+		request("ROLLBACK");
+		startTransaction(); // match mysql usage
+	}
+
+	function base16_encode(str : String) {
+		str = untyped __call__("unpack", "H"+(2 * str.length), str);
+		str = untyped __call__("chunk_split", untyped str[1]);
+		return str;
+	}
+}
+
+
+private class SqliteResultSet implements ResultSet {
+
+	public var length(getLength,null) : Int;
+	public var nfields(getNFields,null) : Int;
+	var r : Void;
+	var cache : Dynamic;
+
+	public function new( r ) {
+		this.r = r;
+	}
+
+	private function getLength() {
+		if(untyped __physeq__(r, true))
+			return untyped __call__("sqlite_changes", r);
+		else if (untyped __physeq__(r, false))
+			return 0;
+		return untyped __call__("sqlite_num_rows", r);
+	}
+
+	private var _nfields : Int;
+	private function getNFields() {
+		if(_nfields == null)
+			_nfields = untyped __call__("sqlite_num_fields", r);
+		return _nfields;
+	}
+
+	public function hasNext() {
+		if( cache == null )
+			cache = next();
+		return (cache != null);
+	}
+
+	private var cRow : ArrayAccess<String>;
+	private function fetchRow() : Bool {
+		cRow = untyped __call__("sqlite_fetch_array", r, __php__("SQLITE_ASSOC"));
+		return ! untyped __physeq__(cRow, false);
+	}
+
+	public function next() : Dynamic {
+		if( cache != null ) {
+			var t = cache;
+			cache = null;
+			return t;
+		}
+		if(!fetchRow()) return null;
+		return untyped __call__("_hx_anonymous", cRow);
+	}
+
+	public function results() : List<Dynamic> {
+		var l = new List();
+		while( true ) {
+			var c = next();
+			if( c == null )
+				break;
+			l.add(c);
+		}
+		return l;
+	}
+
+	public function getResult( n : Int ) : String {
+		if(cRow == null && !fetchRow())
+			return null;
+		return untyped __call__("array_values", cRow)[n];
+	}
+
+	public function getIntResult( n : Int ) : Int {
+		return untyped __call__("intval", getResult(n));
+	}
+
+	public function getFloatResult( n : Int ) : Float {
+		return untyped __call__("floatval", getResult(n));
+	}
+
+	public function getFieldsNames() : Array<String> {
+		return throw "Not implemented";
+	}
+
+}
+
+@:core_api class Sqlite {
+
+	public static function open( file : String ) : Connection {
+		return new SqliteConnection(file);
+	}
+
+}