ethstats-server/web-app/.meteor/local/build/programs/server/mini-files.js
2015-08-14 19:22:53 +02:00

109 lines
3.3 KiB
JavaScript

var _ = require("underscore");
var os = require("os");
var path = require("path");
// All of these functions are attached to files.js for the tool;
// they live here because we need them in boot.js as well to avoid duplicating
// a lot of the code.
//
// Note that this file does NOT contain any of the "perform I/O maybe
// synchronously" functions from files.js; this is intentional, because we want
// to make it very hard to accidentally use fs.*Sync functions in the app server
// after bootup (since they block all concurrency!)
var files = module.exports;
var toPosixPath = function (p, partialPath) {
// Sometimes, you can have a path like \Users\IEUser on windows, and this
// actually means you want C:\Users\IEUser
if (p[0] === "\\" && (! partialPath)) {
p = process.env.SystemDrive + p;
}
p = p.replace(/\\/g, '/');
if (p[1] === ':' && ! partialPath) {
// transform "C:/bla/bla" to "/c/bla/bla"
p = '/' + p[0] + p.slice(2);
}
return p;
};
var toDosPath = function (p, partialPath) {
if (p[0] === '/' && ! partialPath) {
if (! /^\/[A-Za-z](\/|$)/.test(p))
throw new Error("Surprising path: " + p);
// transform a previously windows path back
// "/C/something" to "c:/something"
p = p[1] + ":" + p.slice(2);
}
p = p.replace(/\//g, '\\');
return p;
};
var convertToOSPath = function (standardPath, partialPath) {
if (process.platform === "win32") {
return toDosPath(standardPath, partialPath);
}
return standardPath;
};
var convertToStandardPath = function (osPath, partialPath) {
if (process.platform === "win32") {
return toPosixPath(osPath, partialPath);
}
return osPath;
}
var convertToOSLineEndings = function (fileContents) {
return fileContents.replace(/\n/g, os.EOL);
};
var convertToStandardLineEndings = function (fileContents) {
// Convert all kinds of end-of-line chars to linuxy "\n".
return fileContents.replace(new RegExp("\r\n", "g"), "\n")
.replace(new RegExp("\r", "g"), "\n");
};
// wrappings for path functions that always run as they were on unix (using
// forward slashes)
var wrapPathFunction = function (name, partialPaths) {
var f = path[name];
return function (/* args */) {
if (process.platform === 'win32') {
var args = _.toArray(arguments);
args = _.map(args, function (p, i) {
// if partialPaths is turned on (for path.join mostly)
// forget about conversion of absolute paths for Windows
return toDosPath(p, partialPaths);
});
return toPosixPath(f.apply(path, args), partialPaths);
} else {
return f.apply(path, arguments);
}
};
};
files.pathJoin = wrapPathFunction("join", true);
files.pathNormalize = wrapPathFunction("normalize");
files.pathRelative = wrapPathFunction("relative");
files.pathResolve = wrapPathFunction("resolve");
files.pathDirname = wrapPathFunction("dirname");
files.pathBasename = wrapPathFunction("basename");
files.pathExtname = wrapPathFunction("extname");
files.pathSep = '/';
files.pathDelimiter = ':';
files.pathOsDelimiter = path.delimiter;
files.convertToStandardPath = convertToStandardPath;
files.convertToOSPath = convertToOSPath;
files.convertToWindowsPath = toDosPath;
files.convertToPosixPath = toPosixPath;
files.convertToStandardLineEndings = convertToStandardLineEndings;
files.convertToOSLineEndings = convertToOSLineEndings;