import { ERR_INVALID_URI } from "./errors.ts";
export const hexTable = new Array(256);for (let i = 0; i < 256; ++i) { hexTable[i] = "%" + ((i < 16 ? "0" : "") + i.toString(16)).toUpperCase();}
export const isHexTable = new Int8Array([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ]);
export function encodeStr( str: string, noEscapeTable: Int8Array, hexTable: string[],): string { const len = str.length; if (len === 0) return "";
let out = ""; let lastPos = 0;
for (let i = 0; i < len; i++) { let c = str.charCodeAt(i); if (c < 0x80) { if (noEscapeTable[c] === 1) continue; if (lastPos < i) out += str.slice(lastPos, i); lastPos = i + 1; out += hexTable[c]; continue; }
if (lastPos < i) out += str.slice(lastPos, i);
if (c < 0x800) { lastPos = i + 1; out += hexTable[0xc0 | (c >> 6)] + hexTable[0x80 | (c & 0x3f)]; continue; } if (c < 0xd800 || c >= 0xe000) { lastPos = i + 1; out += hexTable[0xe0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3f)] + hexTable[0x80 | (c & 0x3f)]; continue; } ++i;
if (i >= len) throw new ERR_INVALID_URI();
const c2 = str.charCodeAt(i) & 0x3ff;
lastPos = i + 1; c = 0x10000 + (((c & 0x3ff) << 10) | c2); out += hexTable[0xf0 | (c >> 18)] + hexTable[0x80 | ((c >> 12) & 0x3f)] + hexTable[0x80 | ((c >> 6) & 0x3f)] + hexTable[0x80 | (c & 0x3f)]; } if (lastPos === 0) return str; if (lastPos < len) return out + str.slice(lastPos); return out;}
export default { hexTable, encodeStr, isHexTable,};