Brunobkr/llama.cpp_AlgMor24_github

1const COMMAND = 0;2const NUMBER = 1;3const EOD = 2;4const PARAMS = { A: 7, a: 7, C: 6, c: 6, H: 1, h: 1, L: 2, l: 2, M: 2, m: 2, Q: 4, q: 4, S: 4, s: 4, T: 2, t: 2, V: 1, v: 1, Z: 0, z: 0 };5function tokenize(d) {6    const tokens = new Array();7    while (d !== '') {8        if (d.match(/^([ \t\r\n,]+)/)) {9            d = d.substr(RegExp.$1.length);10        }11        else if (d.match(/^([aAcChHlLmMqQsStTvVzZ])/)) {12            tokens[tokens.length] = { type: COMMAND, text: RegExp.$1 };13            d = d.substr(RegExp.$1.length);14        }15        else if (d.match(/^(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)/)) {16            tokens[tokens.length] = { type: NUMBER, text: `${parseFloat(RegExp.$1)}` };17            d = d.substr(RegExp.$1.length);18        }19        else {20            return [];21        }22    }23    tokens[tokens.length] = { type: EOD, text: '' };24    return tokens;25}26function isType(token, type) {27    return token.type === type;28}29export function parsePath(d) {30    const segments = [];31    const tokens = tokenize(d);32    let mode = 'BOD';33    let index = 0;34    let token = tokens[index];35    while (!isType(token, EOD)) {36        let paramsCount = 0;37        const params = [];38        if (mode === 'BOD') {39            if (token.text === 'M' || token.text === 'm') {40                index++;41                paramsCount = PARAMS[token.text];42                mode = token.text;43            }44            else {45                return parsePath('M0,0' + d);46            }47        }48        else if (isType(token, NUMBER)) {49            paramsCount = PARAMS[mode];50        }51        else {52            index++;53            paramsCount = PARAMS[token.text];54            mode = token.text;55        }56        if ((index + paramsCount) < tokens.length) {57            for (let i = index; i < index + paramsCount; i++) {58                const numbeToken = tokens[i];59                if (isType(numbeToken, NUMBER)) {60                    params[params.length] = +numbeToken.text;61                }62                else {63                    throw new Error('Param not a number: ' + mode + ',' + numbeToken.text);64                }65            }66            if (typeof PARAMS[mode] === 'number') {67                const segment = { key: mode, data: params };68                segments.push(segment);69                index += paramsCount;70                token = tokens[index];71                if (mode === 'M')72                    mode = 'L';73                if (mode === 'm')74                    mode = 'l';75            }76            else {77                throw new Error('Bad segment: ' + mode);78            }79        }80        else {81            throw new Error('Path data ended short');82        }83    }84    return segments;85}86export function serialize(segments) {87    const tokens = [];88    for (const { key, data } of segments) {89        tokens.push(key);90        switch (key) {91            case 'C':92            case 'c':93                tokens.push(data[0], `${data[1]},`, data[2], `${data[3]},`, data[4], data[5]);94                break;95            case 'S':96            case 's':97            case 'Q':98            case 'q':99                tokens.push(data[0], `${data[1]},`, data[2], data[3]);100                break;101            default:102                tokens.push(...data);103                break;104        }105    }106    return tokens.join(' ');107}108