43 lines
960 B
TypeScript
43 lines
960 B
TypeScript
export function decode(string : string) : string[] {
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let pos = -1;
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let sections = [];
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for(;;) {
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let len = string.indexOf('.', pos + 1);
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if(len === -1)
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break;
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pos = parseInt(string.slice(pos + 1, len)) + len + 1;
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// don't allow funky protocol length
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if(pos > string.length)
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return [];
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sections.push(string.slice(len + 1, pos));
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const sep = string.slice(pos, pos + 1);
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if(sep === ',')
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continue;
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else if(sep === ';')
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break;
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else
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// Invalid data.
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return [];
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}
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return sections;
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}
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export function encode(...string : string[]) : string {
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let command = '';
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for(var i = 0; i < string.length; i++) {
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let current = string[i];
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command += current.toString().length + '.' + current;
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command += ( i < string.length - 1 ? ',' : ';');
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}
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return command;
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} |