2025-01-22 16:18:30 +01:00

124 lines
3.6 KiB
Haxe

/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
@:coreApi class EReg {
var r:flash.utils.RegExp;
var result:Dynamic;
public function new(r:String, opt:String):Void {
this.r = new flash.utils.RegExp(r, opt);
}
public function match(s:String):Bool {
if (r.global)
r.lastIndex = 0;
result = r.exec(s);
return (result != null);
}
public function matched(n:Int):String {
return if (result != null && n >= 0 && n < (result:Array<Dynamic>).length) result[n] else throw "EReg::matched";
}
public function matchedLeft():String {
if (result == null)
throw "No string matched";
var s:String = result.input;
return s.substr(0, result.index);
}
public function matchedRight():String {
if (result == null)
throw "No string matched";
var rl = (result.index : Int) + (result[0] : String).length;
var s:String = result.input;
return s.substr(rl, s.length - rl);
}
public function matchedPos():{pos:Int, len:Int} {
if (result == null)
throw "No string matched";
return {pos: result.index, len: (result[0] : String).length};
}
public function matchSub(s:String, pos:Int, len:Int = -1):Bool {
return if (r.global) {
r.lastIndex = pos;
result = r.exec(len < 0 ? s : s.substr(0, pos + len));
var b = result != null;
if (b) {
result.input = s;
}
b;
} else {
var b = match(len < 0 ? s.substr(pos) : s.substr(pos, len));
if (b) {
result.input = s;
result.index += pos;
}
b;
}
}
public function split(s:String):Array<String> {
// we can't use directly s.split because it's ignoring the 'g' flag
var d = "#__delim__#";
var s:String = (s : Dynamic).replace(r, d);
return s.split(d);
}
public function replace(s:String, by:String):String {
return (s : Dynamic).replace(r, by);
}
public function map(s:String, f:EReg->String):String {
var offset = 0;
var buf = new StringBuf();
var first = true;
do {
if (offset >= s.length)
break;
else if (!matchSub(s, offset)) {
buf.add(s.substr(offset));
break;
}
var p = matchedPos();
buf.add(s.substr(offset, p.pos - offset));
buf.add(f(this));
if (p.len == 0) {
buf.add(s.substr(p.pos, 1));
offset = p.pos + 1;
} else
offset = p.pos + p.len;
first = false;
} while (r.global);
if (!r.global && offset > 0 && offset < s.length)
buf.add(s.substr(offset));
return buf.toString();
}
public static inline function escape(s:String):String {
return (cast s).replace(escapeRe, "\\$&");
}
static var escapeRe = new flash.utils.RegExp("[.*+?^${}()|[\\]\\\\]", "g");
}