107 lines
3.0 KiB
TypeScript
107 lines
3.0 KiB
TypeScript
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export interface ParsedCommand {
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command?: string;
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payload: {[key: string]: string}[]
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switches: string[]
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}
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function unescapeCommandValue(value: string) : string {
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let result = "", index = 0, lastIndex = 0;
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while (true) {
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index = value.indexOf('\\', lastIndex);
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if(index === -1 || index >= value.length + 1)
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break;
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let replace;
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switch (value.charAt(index + 1)) {
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case 's': replace = ' '; break;
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case '/': replace = '/'; break;
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case 'p': replace = '|'; break;
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case 'b': replace = '\b'; break;
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case 'f': replace = '\f'; break;
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case 'n': replace = '\n'; break;
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case 'r': replace = '\r'; break;
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case 't': replace = '\t'; break;
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case 'a': replace = '\x07'; break;
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case 'v': replace = '\x0B'; break;
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case '\\': replace = '\\'; break;
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default:
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lastIndex = index + 1;
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continue;
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}
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result += value.substring(lastIndex, index) + replace;
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lastIndex = index + 2;
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}
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return result + value.substring(lastIndex);
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}
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const escapeCharacterMap = {
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"\\": "\\",
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" ": "s",
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"/": "/",
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"|": "p",
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"\b": "b",
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"\f": "f",
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"\n": "n",
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"\r": "r",
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"\t": "t",
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"\x07": "a",
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"\x0B": "b"
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};
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const escapeCommandValue = (value: string) => value.replace(/[\\ \/|\b\f\n\r\t\x07\x08]/g, value => "\\" + escapeCharacterMap[value]);
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export function parseCommand(command: string): ParsedCommand {
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const parts = command.split("|").map(element => element.split(" ").map(e => e.trim()).filter(e => !!e));
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let cmd;
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if(parts[0][0].indexOf("=") === -1)
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cmd = parts[0].pop_front();
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let switches = [];
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let payloads = [];
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parts.forEach(element => {
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const payload = {};
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for(const keyValue of element) {
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if(keyValue[0] === '-') {
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switches.push(keyValue.substring(1));
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continue;
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}
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const separator = keyValue.indexOf('=');
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if(separator === -1)
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payload[keyValue] = undefined;
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else
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payload[keyValue.substring(0, separator)] = unescapeCommandValue(keyValue.substring(separator + 1));
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}
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payloads.push(payload)
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});
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return {
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command: cmd,
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payload: payloads,
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switches: switches
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}
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}
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export function buildCommand(data: any | any[], switches?: string[], command?: string) {
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let result = "";
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for(const payload of Array.isArray(data) ? data : [data]) {
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result += " |";
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for(const key of Object.keys(payload)) {
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result += " " + key;
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if(payload[key] !== undefined && payload[key] !== null)
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result += " " + key + "=" + escapeCommandValue(payload[key].toString());
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}
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}
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if(switches?.length)
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result += " " + switches.map(e => "-" + e).join(" ");
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return command ? command + result.substring(2) : result.substring(3);
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}
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