ts-budgie/src/printing/transformationsPrinter.js

Converts TypeScript code to Budgie.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var transformation_1 = require("../output/transformation");
var lineIndenter_1 = require("./lineIndenter");
/**
 * Counts the Budgie endlines within a range of text.
 *
 * @param text   Range of text from a source file.
 * @returns How many Budgie endlines should be printed.
 */
var countEndlinesWithin = function (text) {
    var matches = text.match(/\n/g);
    if (matches === null) {
        return 0;
    }
    return matches.length - 1;
};
/**
 * Prints series of transformations as lines of Budgie.
 */
var TransformationsPrinter = /** @class */ (function () {
    function TransformationsPrinter() {
        /**
         * Indents Budgie lines using their command metadata.
         */
        this.lineIndenter = new lineIndenter_1.LineIndenter();
    }
    /**
     * Prints a series of transformations as indented lines.
     *
     * @param sourceText   Full source text from the transforming file.
     * @param transformations   A series of transformations.
     * @returns The transformations' equivalent indented lines.
     */
    TransformationsPrinter.prototype.printFile = function (sourceText, transformations) {
        return this.lineIndenter.indent(this.printTransformations(sourceText, transformations));
    };
    /**
     * Prints a series of transformations as lines of Budgie and literal string lines.
     *
     * @param sourceText   Full source text from the transforming file.
     * @param transformations   A series of transformations.
     * @returns The transformations' equivalent Budgie and literal string lines.
     */
    TransformationsPrinter.prototype.printTransformations = function (sourceText, transformations) {
        var lines = [];
        if (transformations.length === 0) {
            return lines;
        }
        lines.push.apply(lines, this.printTransformation(sourceText, transformations[0]));
        for (var i = 1; i < transformations.length; i += 1) {
            var first = transformations[i - 1];
            var second = transformations[i];
            var linesDifference = countEndlinesWithin(sourceText.substring(first.range.end, second.range.start));
            for (var j = 0; j < linesDifference; j += 1) {
                lines.push("");
            }
            lines.push.apply(lines, this.printTransformation(sourceText, transformations[i]));
        }
        return lines;
    };
    /**
     * Prints a series of transformations as lines of Budgie.
     *
     * @param transformation   A transformations.
     * @returns The transformation's equivalent Budgie.
     */
    TransformationsPrinter.prototype.printTransformation = function (sourceText, transformation) {
        var lines = [];
        var previous;
        for (var _i = 0, _a = transformation.output; _i < _a.length; _i++) {
            var transformed = _a[_i];
            if (transformed instanceof transformation_1.Transformation) {
                if (previous !== undefined && previous instanceof transformation_1.Transformation) {
                    var linesDifference = countEndlinesWithin(sourceText.substring(previous.range.end, transformed.range.start));
                    for (var j = 0; j < linesDifference; j += 1) {
                        lines.push("");
                    }
                }
                lines.push.apply(lines, this.printTransformation(sourceText, transformed));
            }
            else {
                lines.push(transformed);
            }
            previous = transformed;
        }
        return lines;
    };
    return TransformationsPrinter;
}());
exports.TransformationsPrinter = TransformationsPrinter;
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