pixsy/node_modules/less/lib/less-rhino/index.js

451 lines
14 KiB
JavaScript

/* jshint rhino:true, unused: false */
/* jscs:disable validateIndentation */
/*global name:true, less, loadStyleSheet, os */
function formatError(ctx, options) {
options = options || {};
var message = "";
var extract = ctx.extract;
var error = [];
// var stylize = options.color ? require('./lessc_helper').stylize : function (str) { return str; };
var stylize = function (str) { return str; };
// only output a stack if it isn't a less error
if (ctx.stack && !ctx.type) { return stylize(ctx.stack, 'red'); }
if (!ctx.hasOwnProperty('index') || !extract) {
return ctx.stack || ctx.message;
}
if (typeof extract[0] === 'string') {
error.push(stylize((ctx.line - 1) + ' ' + extract[0], 'grey'));
}
if (typeof extract[1] === 'string') {
var errorTxt = ctx.line + ' ';
if (extract[1]) {
errorTxt += extract[1].slice(0, ctx.column) +
stylize(stylize(stylize(extract[1][ctx.column], 'bold') +
extract[1].slice(ctx.column + 1), 'red'), 'inverse');
}
error.push(errorTxt);
}
if (typeof extract[2] === 'string') {
error.push(stylize((ctx.line + 1) + ' ' + extract[2], 'grey'));
}
error = error.join('\n') + stylize('', 'reset') + '\n';
message += stylize(ctx.type + 'Error: ' + ctx.message, 'red');
if (ctx.filename) {
message += stylize(' in ', 'red') + ctx.filename +
stylize(' on line ' + ctx.line + ', column ' + (ctx.column + 1) + ':', 'grey');
}
message += '\n' + error;
if (ctx.callLine) {
message += stylize('from ', 'red') + (ctx.filename || '') + '/n';
message += stylize(ctx.callLine, 'grey') + ' ' + ctx.callExtract + '/n';
}
return message;
}
function writeError(ctx, options) {
options = options || {};
if (options.silent) { return; }
var message = formatError(ctx, options);
throw new Error(message);
}
function loadStyleSheet(sheet, callback, reload, remaining) {
var endOfPath = Math.max(name.lastIndexOf('/'), name.lastIndexOf('\\')),
sheetName = name.slice(0, endOfPath + 1) + sheet.href,
contents = sheet.contents || {},
input = readFile(sheetName);
input = input.replace(/^\xEF\xBB\xBF/, '');
contents[sheetName] = input;
var parser = new less.Parser({
paths: [sheet.href.replace(/[\w\.-]+$/, '')],
contents: contents
});
parser.parse(input, function (e, root) {
if (e) {
return writeError(e);
}
try {
callback(e, root, input, sheet, { local: false, lastModified: 0, remaining: remaining }, sheetName);
} catch(e) {
writeError(e);
}
});
}
less.Parser.fileLoader = function (file, currentFileInfo, callback, env) {
var href = file;
if (currentFileInfo && currentFileInfo.currentDirectory && !/^\//.test(file)) {
href = less.modules.path.join(currentFileInfo.currentDirectory, file);
}
var path = less.modules.path.dirname(href);
var newFileInfo = {
currentDirectory: path + '/',
filename: href
};
if (currentFileInfo) {
newFileInfo.entryPath = currentFileInfo.entryPath;
newFileInfo.rootpath = currentFileInfo.rootpath;
newFileInfo.rootFilename = currentFileInfo.rootFilename;
newFileInfo.relativeUrls = currentFileInfo.relativeUrls;
} else {
newFileInfo.entryPath = path;
newFileInfo.rootpath = less.rootpath || path;
newFileInfo.rootFilename = href;
newFileInfo.relativeUrls = env.relativeUrls;
}
var j = file.lastIndexOf('/');
if (newFileInfo.relativeUrls && !/^(?:[a-z-]+:|\/)/.test(file) && j != -1) {
var relativeSubDirectory = file.slice(0, j + 1);
newFileInfo.rootpath = newFileInfo.rootpath + relativeSubDirectory; // append (sub|sup) directory path of imported file
}
newFileInfo.currentDirectory = path;
newFileInfo.filename = href;
var data = null;
try {
data = readFile(href);
} catch (e) {
callback({ type: 'File', message: "'" + less.modules.path.basename(href) + "' wasn't found" });
return;
}
try {
callback(null, data, href, newFileInfo, { lastModified: 0 });
} catch (e) {
callback(e, null, href);
}
};
function writeFile(filename, content) {
var fstream = new java.io.FileWriter(filename);
var out = new java.io.BufferedWriter(fstream);
out.write(content);
out.close();
}
// Command line integration via Rhino
(function (args) {
var options = {
depends: false,
compress: false,
cleancss: false,
max_line_len: -1,
silent: false,
verbose: false,
lint: false,
paths: [],
color: true,
strictImports: false,
rootpath: '',
relativeUrls: false,
ieCompat: true,
strictMath: false,
strictUnits: false
};
var continueProcessing = true,
currentErrorcode;
var checkArgFunc = function(arg, option) {
if (!option) {
print(arg + " option requires a parameter");
continueProcessing = false;
return false;
}
return true;
};
var checkBooleanArg = function(arg) {
var onOff = /^((on|t|true|y|yes)|(off|f|false|n|no))$/i.exec(arg);
if (!onOff) {
print(" unable to parse " + arg + " as a boolean. use one of on/t/true/y/yes/off/f/false/n/no");
continueProcessing = false;
return false;
}
return Boolean(onOff[2]);
};
var warningMessages = "";
var sourceMapFileInline = false;
args = args.filter(function (arg) {
var match = arg.match(/^-I(.+)$/);
if (match) {
options.paths.push(match[1]);
return false;
}
match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=(.*))?$/i);
if (match) {
arg = match[1];
}
else {
return arg;
}
switch (arg) {
case 'v':
case 'version':
console.log("lessc " + less.version.join('.') + " (Less Compiler) [JavaScript]");
continueProcessing = false;
break;
case 'verbose':
options.verbose = true;
break;
case 's':
case 'silent':
options.silent = true;
break;
case 'l':
case 'lint':
options.lint = true;
break;
case 'strict-imports':
options.strictImports = true;
break;
case 'h':
case 'help':
//TODO
// require('../lib/less/lessc_helper').printUsage();
continueProcessing = false;
break;
case 'x':
case 'compress':
options.compress = true;
break;
case 'M':
case 'depends':
options.depends = true;
break;
case 'yui-compress':
warningMessages += "yui-compress option has been removed. assuming clean-css.";
options.cleancss = true;
break;
case 'clean-css':
options.cleancss = true;
break;
case 'max-line-len':
if (checkArgFunc(arg, match[2])) {
options.maxLineLen = parseInt(match[2], 10);
if (options.maxLineLen <= 0) {
options.maxLineLen = -1;
}
}
break;
case 'no-color':
options.color = false;
break;
case 'no-ie-compat':
options.ieCompat = false;
break;
case 'no-js':
options.javascriptEnabled = false;
break;
case 'include-path':
if (checkArgFunc(arg, match[2])) {
// support for both ; and : path separators
// even on windows when using absolute paths with drive letters (eg C:\path:D:\path)
options.paths = match[2]
.split(os.type().match(/Windows/) ? /:(?!\\)|;/ : ':')
.map(function(p) {
if (p) {
// return path.resolve(process.cwd(), p);
return p;
}
});
}
break;
case 'line-numbers':
if (checkArgFunc(arg, match[2])) {
options.dumpLineNumbers = match[2];
}
break;
case 'source-map':
if (!match[2]) {
options.sourceMap = true;
} else {
options.sourceMap = match[2];
}
break;
case 'source-map-rootpath':
if (checkArgFunc(arg, match[2])) {
options.sourceMapRootpath = match[2];
}
break;
case 'source-map-basepath':
if (checkArgFunc(arg, match[2])) {
options.sourceMapBasepath = match[2];
}
break;
case 'source-map-map-inline':
sourceMapFileInline = true;
options.sourceMap = true;
break;
case 'source-map-less-inline':
options.outputSourceFiles = true;
break;
case 'source-map-url':
if (checkArgFunc(arg, match[2])) {
options.sourceMapURL = match[2];
}
break;
case 'source-map-output-map-file':
if (checkArgFunc(arg, match[2])) {
options.writeSourceMap = function(sourceMapContent) {
writeFile(match[2], sourceMapContent);
};
}
break;
case 'rp':
case 'rootpath':
if (checkArgFunc(arg, match[2])) {
options.rootpath = match[2].replace(/\\/g, '/');
}
break;
case "ru":
case "relative-urls":
options.relativeUrls = true;
break;
case "sm":
case "strict-math":
if (checkArgFunc(arg, match[2])) {
options.strictMath = checkBooleanArg(match[2]);
}
break;
case "su":
case "strict-units":
if (checkArgFunc(arg, match[2])) {
options.strictUnits = checkBooleanArg(match[2]);
}
break;
default:
console.log('invalid option ' + arg);
continueProcessing = false;
}
});
if (!continueProcessing) {
return;
}
var name = args[0];
if (name && name != '-') {
// name = path.resolve(process.cwd(), name);
}
var output = args[1];
var outputbase = args[1];
if (output) {
options.sourceMapOutputFilename = output;
// output = path.resolve(process.cwd(), output);
if (warningMessages) {
console.log(warningMessages);
}
}
// options.sourceMapBasepath = process.cwd();
// options.sourceMapBasepath = '';
if (options.sourceMap === true) {
console.log("output: " + output);
if (!output && !sourceMapFileInline) {
console.log("the sourcemap option only has an optional filename if the css filename is given");
return;
}
options.sourceMapFullFilename = options.sourceMapOutputFilename + ".map";
options.sourceMap = less.modules.path.basename(options.sourceMapFullFilename);
} else if (options.sourceMap) {
options.sourceMapOutputFilename = options.sourceMap;
}
if (!name) {
console.log("lessc: no inout files");
console.log("");
// TODO
// require('../lib/less/lessc_helper').printUsage();
currentErrorcode = 1;
return;
}
// var ensureDirectory = function (filepath) {
// var dir = path.dirname(filepath),
// cmd,
// existsSync = fs.existsSync || path.existsSync;
// if (!existsSync(dir)) {
// if (mkdirp === undefined) {
// try {mkdirp = require('mkdirp');}
// catch(e) { mkdirp = null; }
// }
// cmd = mkdirp && mkdirp.sync || fs.mkdirSync;
// cmd(dir);
// }
// };
if (options.depends) {
if (!outputbase) {
console.log("option --depends requires an output path to be specified");
return;
}
console.log(outputbase + ": ");
}
if (!name) {
console.log('No files present in the fileset');
quit(1);
}
var input = null;
try {
input = readFile(name, 'utf-8');
} catch (e) {
console.log('lesscss: couldn\'t open file ' + name);
quit(1);
}
options.filename = name;
var result;
try {
var parser = new less.Parser(options);
parser.parse(input, function (e, root) {
if (e) {
writeError(e, options);
quit(1);
} else {
result = root.toCSS(options);
if (output) {
writeFile(output, result);
console.log("Written to " + output);
} else {
print(result);
}
quit(0);
}
});
}
catch(e) {
writeError(e, options);
quit(1);
}
}(arguments));