/*
* 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.
*/
package lua;
import haxe.SysTools;
@:dox(hide)
class Boot {
// Used temporarily for bind()
static var _:Dynamic;
static var _fid = 0;
static var Max_Int32 = 2147483647;
static var Min_Int32 = -2147483648;
// A max stack size to respect for unpack operations
public static var MAXSTACKSIZE(default, null) = 1000;
public static var platformBigEndian = NativeStringTools.byte(NativeStringTools.dump(function() {}), 7) > 0;
static var hiddenFields:Table<String, Bool> = untyped __lua__("{__id__=true, hx__closures=true, super=true, prototype=true, __fields__=true, __ifields__=true, __class__=true, __properties__=true}");
static function __unhtml(s:String)
return s.split("&").join("&").split("<").join("<").split(">").join(">");
/**
Indicates if the given object is a class.
**/
static inline public function isClass(o:Dynamic):Bool {
if (Lua.type(o) != "table")
return false;
else
return untyped __define_feature__("lua.Boot.isClass", o.__name__);
}
/**
Indicates if the given object is a enum.
**/
static inline public function isEnum(e:Dynamic):Bool {
if (Lua.type(e) != "table")
return false;
else
return untyped __define_feature__("lua.Boot.isEnum", e.__ename__);
}
/**
Returns the class of a given object, and defines the getClass feature
for the given class.
**/
static inline public function getClass(o:Dynamic):Class<Dynamic> {
if (Std.isOfType(o, Array))
return Array;
else if (Std.isOfType(o, String))
return String;
else {
var cl = untyped __define_feature__("lua.Boot.getClass", o.__class__);
if (cl != null)
return cl;
else
return null;
}
}
/**
Indicates if the given object is an instance of the given Type
**/
@:ifFeature("typed_catch")
private static function __instanceof(o:Dynamic, cl:Dynamic) {
if (cl == null)
return false;
switch (cl) {
case Int:
return (Lua.type(o) == "number" && clampInt32(o) == o);
case Float:
return Lua.type(o) == "number";
case Bool:
return Lua.type(o) == "boolean";
case String:
return Lua.type(o) == "string";
case Thread:
return Lua.type(o) == "thread";
case UserData:
return Lua.type(o) == "userdata";
case Array:
return isArray(o);
case Table:
return Lua.type(o) == "table";
case Dynamic:
return o != null;
default:
{
if (o != null && Lua.type(o) == "table" && Lua.type(cl) == "table") {
if (extendsOrImplements(getClass(o), cl))
return true;
// We've exhausted standard inheritance checks. Check for simple Class/Enum eqauality
// Also, do not use isClass/isEnum here, perform raw checks
untyped __feature__("Class.*", if (cl == Class && o.__name__ != null) return true);
untyped __feature__("Enum.*", if (cl == Enum && o.__ename__ != null) return true);
// last chance, is it an enum instance?
return o.__enum__ == cl;
} else {
return false;
}
}
}
}
static function isArray(o:Dynamic):Bool {
return Lua.type(o) == "table"
&& untyped o.__enum__ == null && Lua.getmetatable(o) != null && Lua.getmetatable(o).__index == untyped Array.prototype;
}
/**
Indicates if the given object inherits from the given class
**/
static function inheritsFrom(o:Dynamic, cl:Class<Dynamic>):Bool {
while (Lua.getmetatable(o) != null && Lua.getmetatable(o).__index != null) {
if (Lua.getmetatable(o).__index == untyped cl.prototype)
return true;
o = Lua.getmetatable(o).__index;
}
return false;
}
@:ifFeature("typed_cast")
private static function __cast(o:Dynamic, t:Dynamic) {
if (o == null || __instanceof(o, t))
return o;
else
throw "Cannot cast " + Std.string(o) + " to " + Std.string(t);
}
/**
Define an array from the given table
**/
public inline static function defArray<T>(tab:Table<Int, T>, ?length:Int):Array<T> {
if (length == null) {
length = TableTools.maxn(tab);
if (length > 0) {
var head = tab[1];
Table.remove(tab, 1);
tab[0] = head;
return untyped _hx_tab_array(tab, length);
} else {
return [];
}
} else {
return untyped _hx_tab_array(tab, length);
}
}
/**
Create a Haxe object from the given table structure
**/
public inline static function tableToObject<T>(t:Table<String, T>):Dynamic<T> {
return untyped _hx_o(t);
}
/**
Get Date object as string representation
**/
public static function dateStr(date:std.Date):String {
var m = date.getMonth() + 1;
var d = date.getDate();
var h = date.getHours();
var mi = date.getMinutes();
var s = date.getSeconds();
return date.getFullYear() + "-" + (if (m < 10) "0" + m else "" + m) + "-" + (if (d < 10) "0" + d else "" + d) + " "
+ (if (h < 10) "0" + h else "" + h) + ":" + (if (mi < 10) "0" + mi else "" + mi) + ":" + (if (s < 10) "0" + s else "" + s);
}
/**
A 32 bit clamp function for numbers
**/
public inline static function clampInt32(x:Float) {
return untyped _hx_bit_clamp(x);
}
/**
Create a standard date object from a lua string representation
**/
public static function strDate(s:String):std.Date {
switch (s.length) {
case 8: // hh:mm:ss
var k = s.split(":");
return std.Date.fromTime(Lua.tonumber(k[0]) * 3600000. + Lua.tonumber(k[1]) * 60000. + Lua.tonumber(k[2]) * 1000.);
case 10: // YYYY-MM-DD
var k = s.split("-");
return new std.Date(Lua.tonumber(k[0]), Lua.tonumber(k[1]) - 1, Lua.tonumber(k[2]), 0, 0, 0);
case 19: // YYYY-MM-DD hh:mm:ss
var k = s.split(" ");
var y = k[0].split("-");
var t = k[1].split(":");
return new std.Date(Lua.tonumber(y[0]), Lua.tonumber(y[1]) - 1, Lua.tonumber(y[2]), Lua.tonumber(t[0]), Lua.tonumber(t[1]), Lua.tonumber(t[2]));
default:
throw "Invalid date format : " + s;
}
}
/**
Helper method to determine if class cl1 extends, implements, or otherwise equals cl2
**/
public static function extendsOrImplements(cl1:Class<Dynamic>, cl2:Class<Dynamic>):Bool {
if (cl1 == null || cl2 == null)
return false;
else if (cl1 == cl2)
return true;
else if (untyped cl1.__interfaces__ != null) {
var intf = untyped cl1.__interfaces__;
for (i in 1...(TableTools.maxn(intf) + 1)) {
// check each interface, including extended interfaces
if (extendsOrImplements(intf[i], cl2))
return true;
}
}
// check standard inheritance
return extendsOrImplements(untyped cl1.__super__, cl2);
}
/**
Returns a shell escaped version of "cmd" along with any args
**/
public static function shellEscapeCmd(cmd:String, ?args:Array<String>) {
if (args != null) {
switch (Sys.systemName()) {
case "Windows":
cmd = [
for (a in [StringTools.replace(cmd, "/", "\\")].concat(args))
SysTools.quoteWinArg(a, true)
].join(" ");
case _:
cmd = [cmd].concat(args).map(SysTools.quoteUnixArg).join(" ");
}
}
return cmd;
}
/**
Returns a temp file path that can be used for reading and writing
**/
public static function tempFile():String {
switch (Sys.systemName()) {
case "Windows":
return haxe.io.Path.join([Os.getenv("TMP"), Os.tmpname()]);
default:
return Os.tmpname();
}
}
static var os_patterns(get,default):Map<String,Array<String>>;
static function get_os_patterns():Map<String,Array<String>> {
if(os_patterns == null) {
os_patterns = [
'Windows' => ['windows', '^mingw', '^cygwin'],
'Linux' => ['linux'],
'Mac' => ['mac', 'darwin', 'osx'],
'BSD' => ['bsd$'],
'Solaris' => ['SunOS']
];
}
return os_patterns;
}
public static function systemName():String {
var os:String = null;
if (untyped jit != null && untyped jit.os != null) {
os = untyped jit.os;
os = os.toLowerCase();
} else {
var popen_status:Bool = false;
var popen_result:lua.FileHandle = null;
untyped __lua__("popen_status, popen_result = pcall(_G.io.popen, '')");
if (popen_status) {
popen_result.close();
os = lua.Io.popen('uname -s', 'r').read('*l').toLowerCase();
} else {
os = lua.Os.getenv('OS').toLowerCase();
}
}
for (k in os_patterns.keys()) {
for (p in os_patterns.get(k)) {
if (lua.NativeStringTools.match(os, p) != null) {
return k;
}
}
}
return null;
}
}