beth-parser/dist/strings/StringsParser.js

Parser library for Bethesda's Creation Engine data files

"use strict";
exports.__esModule = true;
var iconv_lite_1 = require("iconv-lite");
/**
 * Strings data parser.
 */
var StringsParser = /** @class */ (function () {
    /**
     * @param buffer Strings data buffer.
     * @param padded Whether string data uses size padding.
     * @param encoding String encoding.
     */
    function StringsParser(buffer, padded, encoding) {
        if (padded === void 0) { padded = false; }
        if (encoding === void 0) { encoding = "utf-8"; }
        this.buffer = buffer;
        this.padded = padded;
        this.encoding = encoding;
    }
    /**
     * Parse strings data using the given handler.
     * @param handler Strings handler.
     */
    StringsParser.prototype.parse = function (handler) {
        var count = this.buffer.readUInt32LE(0);
        var start = (count + 1) * 8; // Data starts after dictionary
        for (var i = 8; i < start; i += 8) {
            handler(this.buffer.readUInt32LE(i), this.parseString(start + this.buffer.readUInt32LE(i + 4)));
        }
    };
    /**
     * Parse string at the given offset.
     * @param offset Offset inside data buffer.
     */
    StringsParser.prototype.parseString = function (offset) {
        var start = this.padded ? offset + 4 : offset;
        var end = start;
        if (this.padded) {
            end += this.buffer.readUInt32LE(offset) - 1;
        }
        else {
            while (this.buffer[end] !== 0 || end >= this.buffer.length) {
                end++;
            }
        }
        return iconv_lite_1.decode(this.buffer.slice(start, end), this.encoding);
    };
    return StringsParser;
}());
exports["default"] = StringsParser;
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