89 lines
2.2 KiB
JavaScript
89 lines
2.2 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var SourceNode = require("source-map").SourceNode;
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var SourceMapConsumer = require("source-map").SourceMapConsumer;
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var SourceListMap = require("source-list-map").SourceListMap;
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var Source = require("./Source");
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function isSplitter(c) {
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switch(c) {
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case 10: // \n
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case 13: // \r
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case 59: // ;
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case 123: // {
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case 125: // }
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return true;
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}
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return false;
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}
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function _splitCode(code) {
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var result = [];
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var i = 0;
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var j = 0;
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for(; i < code.length; i++) {
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if(isSplitter(code.charCodeAt(i))) {
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while(isSplitter(code.charCodeAt(++i)));
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result.push(code.substring(j, i));
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j = i;
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}
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}
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if(j < code.length)
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result.push(code.substr(j));
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return result;
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}
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function OriginalSource(value, name) {
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Source.call(this);
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this._value = value;
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this._name = name;
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}
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module.exports = OriginalSource;
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OriginalSource.prototype = Object.create(Source.prototype);
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OriginalSource.prototype.constructor = OriginalSource;
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OriginalSource.prototype.source = function() {
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return this._value;
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};
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require("./SourceAndMapMixin")(OriginalSource.prototype);
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OriginalSource.prototype.node = function(options) {
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options = options || {};
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var sourceMap = this._sourceMap;
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var value = this._value;
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var name = this._name;
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var lines = value.split("\n");
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var node = new SourceNode(null, null, null,
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lines.map(function(line, idx) {
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var pos = 0;
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if(options.columns === false) {
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var content = line + (idx != lines.length - 1 ? "\n" : "");
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return new SourceNode(idx + 1, 0, name, content);
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}
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return new SourceNode(null, null, null,
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_splitCode(line + (idx != lines.length - 1 ? "\n" : "")).map(function(item) {
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if(/^\s*$/.test(item)) return item;
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var res = new SourceNode(idx + 1, pos, name, item);
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pos += item.length;
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return res;
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})
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);
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})
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);
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node.setSourceContent(name, value);
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return node;
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};
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OriginalSource.prototype.listMap = function(options) {
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return new SourceListMap(this._value, this._name, this._value)
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};
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OriginalSource.prototype.updateHash = function(hash) {
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hash.update(this._value);
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};
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