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LNXSDK/Kha/Tools/linux_arm64/std/StringTools.hx
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2025-01-22 16:18:30 +01:00

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/*
* 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.
*/
import haxe.iterators.StringIterator;
import haxe.iterators.StringKeyValueIterator;
#if cpp
using cpp.NativeString;
#end
/**
This class provides advanced methods on Strings. It is ideally used with
`using StringTools` and then acts as an [extension](https://haxe.org/manual/lf-static-extension.html)
to the `String` class.
If the first argument to any of the methods is null, the result is
unspecified.
**/
class StringTools {
/**
Encode an URL by using the standard format.
**/
#if (!java && !cpp && !lua && !eval) inline #end public static function urlEncode(s:String):String {
#if flash
return untyped __global__["encodeURIComponent"](s);
#elseif neko
return untyped new String(_urlEncode(s.__s));
#elseif js
return untyped encodeURIComponent(s);
#elseif cpp
return untyped s.__URLEncode();
#elseif java
return postProcessUrlEncode(java.net.URLEncoder.encode(s, "UTF-8"));
#elseif cs
return untyped cs.system.Uri.EscapeDataString(s);
#elseif python
return python.lib.urllib.Parse.quote(s, "");
#elseif hl
var len = 0;
var b = @:privateAccess s.bytes.urlEncode(len);
return @:privateAccess String.__alloc__(b, len);
#elseif lua
s = lua.NativeStringTools.gsub(s, "\n", "\r\n");
s = lua.NativeStringTools.gsub(s, "([^%w %-%_%.%~])", function(c) {
return lua.NativeStringTools.format("%%%02X", lua.NativeStringTools.byte(c) + '');
});
s = lua.NativeStringTools.gsub(s, " ", "+");
return s;
#else
return null;
#end
}
#if java
private static function postProcessUrlEncode(s:String):String {
var ret = new StringBuf();
var i = 0, len = s.length;
while (i < len) {
switch (_charAt(s, i++)) {
case '+'.code:
ret.add('%20');
case '%'.code if (i <= len - 2):
var c1 = _charAt(s, i++), c2 = _charAt(s, i++);
switch [c1, c2] {
case ['2'.code, '1'.code]:
ret.addChar('!'.code);
case ['2'.code, '7'.code]:
ret.addChar('\''.code);
case ['2'.code, '8'.code]:
ret.addChar('('.code);
case ['2'.code, '9'.code]:
ret.addChar(')'.code);
case ['7'.code, 'E'.code] | ['7'.code, 'e'.code]:
ret.addChar('~'.code);
case _:
ret.addChar('%'.code);
ret.addChar(cast c1);
ret.addChar(cast c2);
}
case var chr:
ret.addChar(cast chr);
}
}
return ret.toString();
}
#end
/**
Decode an URL using the standard format.
**/
#if (!java && !cpp && !lua && !eval) inline #end public static function urlDecode(s:String):String {
#if flash
return untyped __global__["decodeURIComponent"](s.split("+").join(" "));
#elseif neko
return untyped new String(_urlDecode(s.__s));
#elseif js
return untyped decodeURIComponent(s.split("+").join(" "));
#elseif cpp
return untyped s.__URLDecode();
#elseif java
try
return java.net.URLDecoder.decode(s, "UTF-8")
catch (e:Dynamic)
throw e;
#elseif cs
return untyped cs.system.Uri.UnescapeDataString(s);
#elseif python
return python.lib.urllib.Parse.unquote(s);
#elseif hl
var len = 0;
var b = @:privateAccess s.bytes.urlDecode(len);
return @:privateAccess String.__alloc__(b, len);
#elseif lua
s = lua.NativeStringTools.gsub(s, "+", " ");
s = lua.NativeStringTools.gsub(s, "%%(%x%x)", function(h) {
return lua.NativeStringTools.char(lua.Lua.tonumber(h, 16));
});
s = lua.NativeStringTools.gsub(s, "\r\n", "\n");
return s;
#else
return null;
#end
}
/**
Escapes HTML special characters of the string `s`.
The following replacements are made:
- `&` becomes `&amp`;
- `<` becomes `&lt`;
- `>` becomes `&gt`;
If `quotes` is true, the following characters are also replaced:
- `"` becomes `&quot`;
- `'` becomes `&#039`;
**/
public static function htmlEscape(s:String, ?quotes:Bool):String {
var buf = new StringBuf();
for (code in #if neko iterator(s) #else new haxe.iterators.StringIteratorUnicode(s) #end) {
switch (code) {
case '&'.code:
buf.add("&amp;");
case '<'.code:
buf.add("&lt;");
case '>'.code:
buf.add("&gt;");
case '"'.code if (quotes):
buf.add("&quot;");
case '\''.code if (quotes):
buf.add("&#039;");
case _:
buf.addChar(code);
}
}
return buf.toString();
}
/**
Unescapes HTML special characters of the string `s`.
This is the inverse operation to htmlEscape, i.e. the following always
holds: `htmlUnescape(htmlEscape(s)) == s`
The replacements follow:
- `&amp;` becomes `&`
- `&lt;` becomes `<`
- `&gt;` becomes `>`
- `&quot;` becomes `"`
- `&#039;` becomes `'`
**/
public static function htmlUnescape(s:String):String {
return s.split("&gt;")
.join(">")
.split("&lt;")
.join("<")
.split("&quot;")
.join('"')
.split("&#039;")
.join("'")
.split("&amp;")
.join("&");
}
/**
Returns `true` if `s` contains `value` and `false` otherwise.
When `value` is `null`, the result is unspecified.
**/
public static inline function contains(s:String, value:String):Bool {
#if (js && js_es >= 6)
return (cast s).includes(value);
#else
return s.indexOf(value) != -1;
#end
}
/**
Tells if the string `s` starts with the string `start`.
If `start` is `null`, the result is unspecified.
If `start` is the empty String `""`, the result is true.
**/
public static #if (cs || java || python || (js && js_es >= 6)) inline #end function startsWith(s:String, start:String):Bool {
#if java
return (cast s : java.NativeString).startsWith(start);
#elseif cs
return untyped s.StartsWith(start);
#elseif hl
return @:privateAccess (s.length >= start.length && s.bytes.compare(0, start.bytes, 0, start.length << 1) == 0);
#elseif python
return python.NativeStringTools.startswith(s, start);
#elseif (js && js_es >= 6)
return (cast s).startsWith(start);
#else
return (s.length >= start.length && s.lastIndexOf(start, 0) == 0);
#end
}
/**
Tells if the string `s` ends with the string `end`.
If `end` is `null`, the result is unspecified.
If `end` is the empty String `""`, the result is true.
**/
public static #if (cs || java || python || (js && js_es >= 6)) inline #end function endsWith(s:String, end:String):Bool {
#if java
return (cast s : java.NativeString).endsWith(end);
#elseif cs
return untyped s.EndsWith(end);
#elseif hl
var elen = end.length;
var slen = s.length;
return @:privateAccess (slen >= elen && s.bytes.compare((slen - elen) << 1, end.bytes, 0, elen << 1) == 0);
#elseif python
return python.NativeStringTools.endswith(s, end);
#elseif (js && js_es >= 6)
return (cast s).endsWith(end);
#else
var elen = end.length;
var slen = s.length;
return (slen >= elen && s.indexOf(end, (slen - elen)) == (slen - elen));
#end
}
/**
Tells if the character in the string `s` at position `pos` is a space.
A character is considered to be a space character if its character code
is 9,10,11,12,13 or 32.
If `s` is the empty String `""`, or if pos is not a valid position within
`s`, the result is false.
**/
public static function isSpace(s:String, pos:Int):Bool {
#if (python || lua)
if (s.length == 0 || pos < 0 || pos >= s.length)
return false;
#end
var c = s.charCodeAt(pos);
return (c > 8 && c < 14) || c == 32;
}
/**
Removes leading space characters of `s`.
This function internally calls `isSpace()` to decide which characters to
remove.
If `s` is the empty String `""` or consists only of space characters, the
result is the empty String `""`.
**/
public #if cs inline #end static function ltrim(s:String):String {
#if cs
return untyped s.TrimStart();
#else
var l = s.length;
var r = 0;
while (r < l && isSpace(s, r)) {
r++;
}
if (r > 0)
return s.substr(r, l - r);
else
return s;
#end
}
/**
Removes trailing space characters of `s`.
This function internally calls `isSpace()` to decide which characters to
remove.
If `s` is the empty String `""` or consists only of space characters, the
result is the empty String `""`.
**/
public #if cs inline #end static function rtrim(s:String):String {
#if cs
return untyped s.TrimEnd();
#else
var l = s.length;
var r = 0;
while (r < l && isSpace(s, l - r - 1)) {
r++;
}
if (r > 0) {
return s.substr(0, l - r);
} else {
return s;
}
#end
}
/**
Removes leading and trailing space characters of `s`.
This is a convenience function for `ltrim(rtrim(s))`.
**/
public #if (cs || java) inline #end static function trim(s:String):String {
#if cs
return untyped s.Trim();
#elseif java
return (cast s : java.NativeString).trim();
#else
return ltrim(rtrim(s));
#end
}
/**
Concatenates `c` to `s` until `s.length` is at least `l`.
If `c` is the empty String `""` or if `l` does not exceed `s.length`,
`s` is returned unchanged.
If `c.length` is 1, the resulting String length is exactly `l`.
Otherwise the length may exceed `l`.
If `c` is null, the result is unspecified.
**/
public static function lpad(s:String, c:String, l:Int):String {
if (c.length <= 0)
return s;
var buf = new StringBuf();
l -= s.length;
while (buf.length < l) {
buf.add(c);
}
buf.add(s);
return buf.toString();
}
/**
Appends `c` to `s` until `s.length` is at least `l`.
If `c` is the empty String `""` or if `l` does not exceed `s.length`,
`s` is returned unchanged.
If `c.length` is 1, the resulting String length is exactly `l`.
Otherwise the length may exceed `l`.
If `c` is null, the result is unspecified.
**/
public static function rpad(s:String, c:String, l:Int):String {
if (c.length <= 0)
return s;
var buf = new StringBuf();
buf.add(s);
while (buf.length < l) {
buf.add(c);
}
return buf.toString();
}
/**
Replace all occurrences of the String `sub` in the String `s` by the
String `by`.
If `sub` is the empty String `""`, `by` is inserted after each character
of `s` except the last one. If `by` is also the empty String `""`, `s`
remains unchanged.
If `sub` or `by` are null, the result is unspecified.
**/
public static function replace(s:String, sub:String, by:String):String {
#if java
if (sub.length == 0)
return s.split(sub).join(by);
else
return (cast s : java.NativeString).replace(sub, by);
#elseif cs
if (sub.length == 0)
return s.split(sub).join(by);
else
return untyped s.Replace(sub, by);
#else
return s.split(sub).join(by);
#end
}
/**
Encodes `n` into a hexadecimal representation.
If `digits` is specified, the resulting String is padded with "0" until
its `length` equals `digits`.
**/
public static function hex(n:Int, ?digits:Int) {
#if flash
var n:UInt = n;
var s:String = untyped n.toString(16);
s = s.toUpperCase();
#else
var s = "";
var hexChars = "0123456789ABCDEF";
do {
s = hexChars.charAt(n & 15) + s;
n >>>= 4;
} while (n > 0);
#end
#if python
if (digits != null && s.length < digits) {
var diff = digits - s.length;
for (_ in 0...diff) {
s = "0" + s;
}
}
#else
if (digits != null)
while (s.length < digits)
s = "0" + s;
#end
return s;
}
/**
Returns the character code at position `index` of String `s`, or an
end-of-file indicator at if `position` equals `s.length`.
This method is faster than `String.charCodeAt()` on some platforms, but
the result is unspecified if `index` is negative or greater than
`s.length`.
End of file status can be checked by calling `StringTools.isEof()` with
the returned value as argument.
This operation is not guaranteed to work if `s` contains the `\0`
character.
**/
public static #if !eval inline #end function fastCodeAt(s:String, index:Int):Int {
#if neko
return untyped __dollar__sget(s.__s, index);
#elseif cpp
return untyped s.cca(index);
#elseif flash
return untyped s.cca(index);
#elseif java
return (index < s.length) ? cast(_charAt(s, index), Int) : -1;
#elseif cs
return (cast(index, UInt) < s.length) ? cast(s[index], Int) : -1;
#elseif js
return (cast s).charCodeAt(index);
#elseif python
return if (index >= s.length) -1 else python.internal.UBuiltins.ord(python.Syntax.arrayAccess(s, index));
#elseif hl
return @:privateAccess s.bytes.getUI16(index << 1);
#elseif lua
#if lua_vanilla
return lua.NativeStringTools.byte(s, index + 1);
#else
return lua.lib.luautf8.Utf8.byte(s, index + 1);
#end
#else
return untyped s.cca(index);
#end
}
/**
Returns the character code at position `index` of String `s`, or an
end-of-file indicator at if `position` equals `s.length`.
This method is faster than `String.charCodeAt()` on some platforms, but
the result is unspecified if `index` is negative or greater than
`s.length`.
This operation is not guaranteed to work if `s` contains the `\0`
character.
**/
public static #if !eval inline #end function unsafeCodeAt(s:String, index:Int):Int {
#if neko
return untyped __dollar__sget(s.__s, index);
#elseif cpp
return untyped s.cca(index);
#elseif flash
return untyped s.cca(index);
#elseif java
return cast(_charAt(s, index), Int);
#elseif cs
return cast(s[index], Int);
#elseif js
return (cast s).charCodeAt(index);
#elseif python
return python.internal.UBuiltins.ord(python.Syntax.arrayAccess(s, index));
#elseif hl
return @:privateAccess s.bytes.getUI16(index << 1);
#elseif lua
#if lua_vanilla
return lua.NativeStringTools.byte(s, index + 1);
#else
return lua.lib.luautf8.Utf8.byte(s, index + 1);
#end
#else
return untyped s.cca(index);
#end
}
/**
Returns an iterator of the char codes.
Note that char codes may differ across platforms because of different
internal encoding of strings in different runtimes.
For the consistent cross-platform UTF8 char codes see `haxe.iterators.StringIteratorUnicode`.
**/
public static inline function iterator(s:String):StringIterator {
return new StringIterator(s);
}
/**
Returns an iterator of the char indexes and codes.
Note that char codes may differ across platforms because of different
internal encoding of strings in different of runtimes.
For the consistent cross-platform UTF8 char codes see `haxe.iterators.StringKeyValueIteratorUnicode`.
**/
public static inline function keyValueIterator(s:String):StringKeyValueIterator {
return new StringKeyValueIterator(s);
}
/**
Tells if `c` represents the end-of-file (EOF) character.
**/
@:noUsing public static inline function isEof(c:Int):Bool {
#if (flash || cpp || hl)
return c == 0;
#elseif js
return c != c; // fast NaN
#elseif (neko || lua || eval)
return c == null;
#elseif (cs || java || python)
return c == -1;
#else
return false;
#end
}
/**
Returns a String that can be used as a single command line argument
on Unix.
The input will be quoted, or escaped if necessary.
**/
@:noCompletion
@:deprecated('StringTools.quoteUnixArg() is deprecated. Use haxe.SysTools.quoteUnixArg() instead.')
public static function quoteUnixArg(argument:String):String {
return inline haxe.SysTools.quoteUnixArg(argument);
}
/**
Character codes of the characters that will be escaped by `quoteWinArg(_, true)`.
**/
@:noCompletion
@:deprecated('StringTools.winMetaCharacters is deprecated. Use haxe.SysTools.winMetaCharacters instead.')
public static var winMetaCharacters:Array<Int> = cast haxe.SysTools.winMetaCharacters;
/**
Returns a String that can be used as a single command line argument
on Windows.
The input will be quoted, or escaped if necessary, such that the output
will be parsed as a single argument using the rule specified in
http://msdn.microsoft.com/en-us/library/ms880421
Examples:
```haxe
quoteWinArg("abc") == "abc";
quoteWinArg("ab c") == '"ab c"';
```
**/
@:noCompletion
@:deprecated('StringTools.quoteWinArg() is deprecated. Use haxe.SysTools.quoteWinArg() instead.')
public static function quoteWinArg(argument:String, escapeMetaCharacters:Bool):String {
return inline haxe.SysTools.quoteWinArg(argument, escapeMetaCharacters);
}
#if java
private static inline function _charAt(str:String, idx:Int):java.StdTypes.Char16
return (cast str : java.NativeString).charAt(idx);
#end
#if neko
private static var _urlEncode = neko.Lib.load("std", "url_encode", 1);
private static var _urlDecode = neko.Lib.load("std", "url_decode", 1);
#end
#if utf16
static inline var MIN_SURROGATE_CODE_POINT = 65536;
static inline function utf16CodePointAt(s:String, index:Int):Int {
var c = StringTools.fastCodeAt(s, index);
if (c >= 0xD800 && c <= 0xDBFF) {
c = ((c - 0xD7C0) << 10) | (StringTools.fastCodeAt(s, index + 1) & 0x3FF);
}
return c;
}
#end
}
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