lib-utils-ts
Version:
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160 lines (145 loc) • 8.21 kB
text/typescript
import {UNICODE} from "../file/charset/UNICODE";
import {IllegalArgumentException, RuntimeException} from "../Exception";
import {ENCODING} from "../file/charset/ENCODING";
import {WORD} from "../primitives/Globals";
export class Buffer {
public static utfPageStart:number[] =[
0x0000,0x0080, // 0:latin-1, 1:latin-2
0x0100,0x0180, // 2:latin-a, 3:latin-b
0x0250,0x02B0, // 4:latin-ext-a, 5:latin-ext-b
0x0300,0x0370, // 6:DIATRICS, 7:GREEK
0x0400,0x0500, // 9:CYRILLIC, 9:CYRILLIC-EXT
0x0530,0x0590, // 10: armenian, 11: yiddish
0x0600,0x0700, // 12: arabic, 13:syria
0x0750,0x0780, // 14: arabic_ext, 15:TANA
0x07c0,0x0800, // 16: NKO, 17: samaritan
0x0840,0x0860, // 18: MANDEAN
0x0A80,0x0900,
0x0980,0x0A00,
0x0A80,0x0B00,
0x0B80,0x0C00,
0x0C80,0x0D00,
0x0D80,0x0E00,
0x0E80,0x0F00,
0x0FFF
];
/**
*
*/
protected static readonly UTF16_LATIN: string[] = [
// 0000-007F
"\u0000","\u0001","\u0002","\u0003","\u0004","\u0005","\u0006","\u0007",
"\u0008","\u0009","\u000a","\u000b","\u000c","\u000d","\u000e","\u000f",
"\u0010","\u0011","\u0012","\u0013","\u0014","\u0015","\u0016","\u0017",
"\u0018","\u0019","\u001a","\u001b","\u001c","\u001d","\u001e","\u001f",
"\u0020","\u0021","\u0022","\u0023","\u0024","\u0025","\u0026","\u0027",
"\u0028","\u0029","\u002a","\u002b","\u002c","\u002d","\u002e","\u002f",
"\u0030","\u0031","\u0032","\u0033","\u0034","\u0035","\u0036","\u0037",
"\u0038","\u0039","\u003a","\u003b","\u003c","\u003d","\u003e","\u003f",
"\u0040","\u0041","\u0042","\u0043","\u0044","\u0045","\u0046","\u0047",
"\u0048","\u0049","\u004a","\u004b","\u004c","\u004d","\u004e","\u004f",
"\u0050","\u0051","\u0052","\u0053","\u0054","\u0055","\u0056","\u0057",
"\u0058","\u0059","\u005a","\u005b","\u005c","\u005d","\u005e","\u005f",
"\u0060","\u0061","\u0062","\u0063","\u0064","\u0065","\u0066","\u0067",
"\u0068","\u0069","\u006a","\u006b","\u006c","\u006d","\u006e","\u006f",
"\u0070","\u0071","\u0072","\u0073","\u0074","\u0075","\u0076","\u0077",
"\u0078","\u0079","\u007a","\u007b","\u007c","\u007d","\u007e","\u007f",
// 007F-00FF
"\u0080","\u0081","\u0082","\u0083","\u0084","\u0085","\u0086","\u0087",
"\u0088","\u0089","\u008a","\u008b","\u008c","\u008d","\u008e","\u008f",
"\u0090","\u0091","\u0092","\u0093","\u0094","\u0095","\u0096","\u0097",
"\u0098","\u0099","\u009a","\u009b","\u009c","\u009d","\u009e","\u009f",
"\u00a0","\u00a1","\u00a2","\u00a3","\u00a4","\u00a5","\u00a6","\u00a7",
"\u00a8","\u00a9","\u00aa","\u00ab","\u00ac","\u00ad","\u00ae","\u00af",
"\u00b0","\u00b1","\u00b2","\u00b3","\u00b4","\u00b5","\u00b6","\u00b7",
"\u00b8","\u00b9","\u00ba","\u00bb","\u00bc","\u00bd","\u00be","\u00bf",
"\u00c0","\u00c1","\u00c2","\u00c3","\u00c4","\u00c5","\u00c6","\u00c7",
"\u00c8","\u00c9","\u00ca","\u00cb","\u00cc","\u00cd","\u00ce","\u00cf",
"\u00d0","\u00d1","\u00d2","\u00d3","\u00d4","\u00d5","\u00d6","\u00d7",
"\u00d8","\u00d9","\u00da","\u00db","\u00dc","\u00dd","\u00de","\u00df",
"\u00e0","\u00e1","\u00e2","\u00e3","\u00e4","\u00e5","\u00e6","\u00e7",
"\u00e8","\u00e9","\u00ea","\u00eb","\u00ec","\u00ed","\u00ee","\u00ef",
"\u00f0","\u00f1","\u00f2","\u00f3","\u00f4","\u00f5","\u00f6","\u00f7",
"\u00f8","\u00f9","\u00fa","\u00fb","\u00fc","\u00fd","\u00fe","\u00ff"
];
/**
*/
protected static readonly charsISO8851: string[] = [
"\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f", "\x10",
"\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17", "\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f", "\x20", "\x21",
"\x22", "\x23", "\x24", "\x25", "\x26", "\x27", "\x28", "\x29", "\x2a", "\x2b", "\x2c", "\x2d", "\x2e", "\x2f", "\x30", "\x31", "\x32",
"\x33", "\x34", "\x35", "\x36", "\x37", "\x38", "\x39", "\x3a", "\x3b", "\x3c", "\x3d", "\x3e", "\x3f", "\x40", "\x41", "\x42", "\x43",
"\x44", "\x45", "\x46", "\x47", "\x48", "\x49", "\x4a", "\x4b", "\x4c", "\x4d", "\x4e", "\x4f", "\x50", "\x51", "\x52", "\x53", "\x54",
"\x55", "\x56", "\x57", "\x58", "\x59", "\x5a", "\x5b", "\x5c", "\x5d", "\x5e", "\x5f", "\x60", "\x61", "\x62", "\x63", "\x64", "\x65",
"\x66", "\x67", "\x68", "\x69", "\x6a", "\x6b", "\x6c", "\x6d", "\x6e", "\x6f", "\x70", "\x71", "\x72", "\x73", "\x74", "\x75", "\x76",
"\x77", "\x78", "\x79", "\x7a", "\x7b", "\x7c", "\x7d", "\x7e", "\x7f", "\x80", "\x81", "\x82", "\x83", "\x84", "\x85", "\x86", "\x87",
"\x88", "\x89", "\x8a", "\x8b", "\x8c", "\x8d", "\x8e", "\x8f", "\x90", "\x91", "\x92", "\x93", "\x94", "\x95", "\x96", "\x97", "\x98",
"\x99", "\x9a", "\x9b", "\x9c", "\x9d", "\x9e", "\x9f", "\xa0", "\xa1", "\xa2", "\xa3", "\xa4", "\xa5", "\xa6", "\xa7", "\xa8", "\xa9",
"\xaa", "\xab", "\xac", "\xad", "\xae", "\xaf", "\xb0", "\xb1", "\xb2", "\xb3", "\xb4", "\xb5", "\xb6", "\xb7", "\xb8", "\xb9", "\xba",
"\xbb", "\xbc", "\xbd", "\xbe", "\xbf", "\xc0", "\xc1", "\xc2", "\xc3", "\xc4", "\xc5", "\xc6", "\xc7", "\xc8", "\xc9", "\xca", "\xcb",
"\xcc", "\xcd", "\xce", "\xcf", "\xd0", "\xd1", "\xd2", "\xd3", "\xd4", "\xd5", "\xd6", "\xd7", "\xd8", "\xd9", "\xda", "\xdb", "\xdc",
"\xdd", "\xde", "\xdf", "\xe0", "\xe1", "\xe2", "\xe3", "\xe4", "\xe5", "\xe6", "\xe7", "\xe8", "\xe9", "\xea", "\xeb", "\xec", "\xed",
"\xee", "\xef", "\xf0", "\xf1", "\xf2", "\xf3", "\xf4", "\xf5", "\xf6", "\xf7", "\xf8", "\xf9", "\xfa", "\xfb", "\xfc", "\xfd", "\xfe",
"\xff"
];
private value:number[];
private encoding:ENCODING = null;
private unicode:UNICODE = UNICODE.BASE_LATIN;
constructor(value:number[], encoding:ENCODING = ENCODING.UTF_8) {
}
private add(code:WORD):void{
}
public setUtf(unicode:UNICODE){
if(!this.encoding.equals(ENCODING.UTF_8)) throw new IllegalArgumentException(`Cannot convert buffer ${this.encoding} to set UFT8 encoding`);
// this.unicode = UNICODE.utfPageStart[unicode.ordinal()];
}
//public setChar()
/* public append(){
}*/
/***
* Control-Key C0 & C1
* @param {WORD} code
* @return {boolean}
*/
public static isControlKey(code:WORD):boolean{
let c:number = code.valueOf();
return (c >= 0x00 && c <= 0x1F) ||
(c >= 0x80 && c <= 0x9F ) ||
c == 0xAF ||
c == 0x7F;
}
/***
*
* @param {WORD} code
* @return {number}
*/
public static getCodePoint(code:WORD):number{
let j:number = 0;
for (; j < this.utfPageStart.length; j++) if (code.valueOf() < this.utfPageStart[j]) break;
if (j == this.utfPageStart.length) return -1;
return this.utfPageStart[j-1];
}
public static getUnicodeEncoding(code:WORD):UNICODE{
let j:number = 0;
for (; j < this.utfPageStart.length; j++) if (code.valueOf() < this.utfPageStart[j]) break;
return UNICODE.getUnicodeByOrdinal(j-1);
}
protected static getChar(code: number, encoding:ENCODING, unicode:UNICODE = UNICODE.BASE_LATIN ): string {
switch (encoding) {
case ENCODING.BINARY:
case ENCODING.ISO_8851_1:
return Buffer.charsISO8851[code];
// case ENCODING.UTF8: return this.check(BinaryBuffer.UTF16_LATIN[code], "LATIN-1");
}
throw new RuntimeException(`Unknown encoding '${encoding}`)
}
public static toUtf(code: number, unicode:UNICODE){
let s:number= Buffer.utfPageStart[unicode.ordinal()],
e:number= Buffer.utfPageStart[unicode.ordinal()+2];
if(code<0||code>e)
return Buffer.utfPageStart[unicode.ordinal()] + code;
}
public static of(value:string){
// return new Buffer(Stream)
}
}