beth-parser/dist/source/WindowSource.js

Parser library for Bethesda's Creation Engine data files

"use strict";
exports.__esModule = true;
/**
 * Windowed DataSource wrapper.
 */
var WindowSource = /** @class */ (function () {
    function WindowSource(source, size) {
        this.source = source;
        this.size = size;
    }
    WindowSource.prototype.read = function (length) {
        this.size -= length;
        if (this.size < 0) {
            throw new Error("EOF");
        }
        return this.source.read(length);
    };
    WindowSource.prototype.skip = function (length) {
        this.size -= length;
        return this.source.skip(length);
    };
    WindowSource.prototype.close = function () {
        // nothing to close
    };
    WindowSource.prototype.cursor = function () {
        // Report position of wrapped data source
        return this.source.cursor();
    };
    return WindowSource;
}());
exports["default"] = WindowSource;
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