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authorJo-Philipp Wich <jo@mein.io>2019-11-05 10:27:59 +0100
committerJo-Philipp Wich <jo@mein.io>2019-11-05 10:42:54 +0100
commitbaa727de93db009f90d70a80a9861758a24eae77 (patch)
treefd91ac853abc2feef5496720e5284e911ad1b020 /documentation/jsapi/fs.js.html
parent355a48866d1a43df9443a3b559c8ec8642343f3a (diff)
docs: rename documentation folder to docs
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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-<!DOCTYPE html>
-<html lang="en">
-<head>
- <meta charset="utf-8">
- <title>JSDoc: Source: fs.js</title>
-
- <script src="scripts/prettify/prettify.js"> </script>
- <script src="scripts/prettify/lang-css.js"> </script>
- <!--[if lt IE 9]>
- <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
- <![endif]-->
- <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
- <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
-</head>
-
-<body>
-
-<div id="main">
-
- <h1 class="page-title">Source: fs.js</h1>
-
-
-
-
-
-
- <section>
- <article>
- <pre class="prettyprint source linenums"><code>'use strict';
-'require rpc';
-
-/**
- * @typedef {Object} FileStatEntry
- * @memberof LuCI.fs
-
- * @property {string} name - Name of the directory entry
- * @property {string} type - Type of the entry, one of `block`, `char`, `directory`, `fifo`, `symlink`, `file`, `socket` or `unknown`
- * @property {number} size - Size in bytes
- * @property {number} mode - Access permissions
- * @property {number} atime - Last access time in seconds since epoch
- * @property {number} mtime - Last modification time in seconds since epoch
- * @property {number} ctime - Last change time in seconds since epoch
- * @property {number} inode - Inode number
- * @property {number} uid - Numeric owner id
- * @property {number} gid - Numeric group id
- */
-
-/**
- * @typedef {Object} FileExecResult
- * @memberof LuCI.fs
- *
- * @property {number} code - The exit code of the invoked command
- * @property {string} [stdout] - The stdout produced by the command, if any
- * @property {string} [stderr] - The stderr produced by the command, if any
- */
-
-var callFileList, callFileStat, callFileRead, callFileWrite, callFileRemove,
- callFileExec, callFileMD5;
-
-callFileList = rpc.declare({
- object: 'file',
- method: 'list',
- params: [ 'path' ]
-});
-
-callFileStat = rpc.declare({
- object: 'file',
- method: 'stat',
- params: [ 'path' ]
-});
-
-callFileRead = rpc.declare({
- object: 'file',
- method: 'read',
- params: [ 'path' ]
-});
-
-callFileWrite = rpc.declare({
- object: 'file',
- method: 'write',
- params: [ 'path', 'data', 'mode' ]
-});
-
-callFileRemove = rpc.declare({
- object: 'file',
- method: 'remove',
- params: [ 'path' ]
-});
-
-callFileExec = rpc.declare({
- object: 'file',
- method: 'exec',
- params: [ 'command', 'params', 'env' ]
-});
-
-callFileMD5 = rpc.declare({
- object: 'file',
- method: 'md5',
- params: [ 'path' ]
-});
-
-var rpcErrors = [
- null,
- 'InvalidCommandError',
- 'InvalidArgumentError',
- 'MethodNotFoundError',
- 'NotFoundError',
- 'NoDataError',
- 'PermissionError',
- 'TimeoutError',
- 'UnsupportedError'
-];
-
-function handleRpcReply(expect, rc) {
- if (typeof(rc) == 'number' &amp;&amp; rc != 0) {
- var e = new Error(rpc.getStatusText(rc)); e.name = rpcErrors[rc] || 'Error';
- throw e;
- }
-
- if (expect) {
- var type = Object.prototype.toString;
-
- for (var key in expect) {
- if (rc != null &amp;&amp; key != '')
- rc = rc[key];
-
- if (rc == null || type.call(rc) != type.call(expect[key])) {
- var e = new Error(_('Unexpected reply data format')); e.name = 'TypeError';
- throw e;
- }
-
- break;
- }
- }
-
- return rc;
-}
-
-/**
- * @class fs
- * @memberof LuCI
- * @hideconstructor
- * @classdesc
- *
- * Provides high level utilities to wrap file system related RPC calls.
- * To import the class in views, use `'require fs'`, to import it in
- * external JavaScript, use `L.require("fs").then(...)`.
- */
-var FileSystem = L.Class.extend(/** @lends LuCI.fs.prototype */ {
- /**
- * Obtains a listing of the specified directory.
- *
- * @param {string} path
- * The directory path to list.
- *
- * @returns {Promise&lt;LuCI.fs.FileStatEntry[]>}
- * Returns a promise resolving to an array of stat detail objects or
- * rejecting with an error stating the failure reason.
- */
- list: function(path) {
- return callFileList(path).then(handleRpcReply.bind(this, { entries: [] }));
- },
-
- /**
- * Return file stat information on the specified path.
- *
- * @param {string} path
- * The filesystem path to stat.
- *
- * @returns {Promise&lt;LuCI.fs.FileStatEntry>}
- * Returns a promise resolving to a stat detail object or
- * rejecting with an error stating the failure reason.
- */
- stat: function(path) {
- return callFileStat(path).then(handleRpcReply.bind(this, { '': {} }));
- },
-
- /**
- * Read the contents of the given file and return them.
- * Note: this function is unsuitable for obtaining binary data.
- *
- * @param {string} path
- * The file path to read.
- *
- * @returns {Promise&lt;string>}
- * Returns a promise resolving to a string containing the file contents or
- * rejecting with an error stating the failure reason.
- */
- read: function(path) {
- return callFileRead(path).then(handleRpcReply.bind(this, { data: '' }));
- },
-
- /**
- * Write the given data to the specified file path.
- * If the specified file path does not exist, it will be created, given
- * sufficient permissions.
- *
- * Note: `data` will be converted to a string using `String(data)` or to
- * `''` when it is `null`.
- *
- * @param {string} path
- * The file path to write to.
- *
- * @param {*} [data]
- * The file data to write. If it is null, it will be set to an empty
- * string.
- *
- * @param {number} [mode]
- * The permissions to use on file creation. Default is 420 (0644).
- *
- * @returns {Promise&lt;number>}
- * Returns a promise resolving to `0` or rejecting with an error stating
- * the failure reason.
- */
- write: function(path, data, mode) {
- data = (data != null) ? String(data) : '';
- mode = (mode != null) ? mode : 420; // 0644
- return callFileWrite(path, data, mode).then(handleRpcReply.bind(this, { '': 0 }));
- },
-
- /**
- * Unlink the given file.
- *
- * @param {string}
- * The file path to remove.
- *
- * @returns {Promise&lt;number>}
- * Returns a promise resolving to `0` or rejecting with an error stating
- * the failure reason.
- */
- remove: function(path) {
- return callFileRemove(path).then(handleRpcReply.bind(this, { '': 0 }));
- },
-
- /**
- * Execute the specified command, optionally passing params and
- * environment variables.
- *
- * Note: The `command` must be either the path to an executable,
- * or a basename without arguments in which case it will be searched
- * in $PATH. If specified, the values given in `params` will be passed
- * as arguments to the command.
- *
- * The key/value pairs in the optional `env` table are translated to
- * `setenv()` calls prior to running the command.
- *
- * @param {string} command
- * The command to invoke.
- *
- * @param {string[]} [params]
- * The arguments to pass to the command.
- *
- * @param {Object.&lt;string, string>} [env]
- * Environment variables to set.
- *
- * @returns {Promise&lt;LuCI.fs.FileExecResult>}
- * Returns a promise resolving to an object describing the execution
- * results or rejecting with an error stating the failure reason.
- */
- exec: function(command, params, env) {
- if (!Array.isArray(params))
- params = null;
-
- if (!L.isObject(env))
- env = null;
-
- return callFileExec(command, params, env).then(handleRpcReply.bind(this, { '': {} }));
- },
-
- /**
- * Read the contents of the given file, trim leading and trailing white
- * space and return the trimmed result. In case of errors, return an empty
- * string instead.
- *
- * Note: this function is useful to read single-value files in `/sys`
- * or `/proc`.
- *
- * This function is guaranteed to not reject its promises, on failure,
- * an empty string will be returned.
- *
- * @param {string} path
- * The file path to read.
- *
- * @returns {Promise&lt;string>}
- * Returns a promise resolving to the file contents or the empty string
- * on failure.
- */
- trimmed: function(path) {
- return L.resolveDefault(this.read(path), '').then(function(s) {
- return s.trim();
- });
- },
-
- /**
- * Read the contents of the given file, split it into lines, trim
- * leading and trailing white space of each line and return the
- * resulting array.
- *
- * This function is guaranteed to not reject its promises, on failure,
- * an empty array will be returned.
- *
- * @param {string} path
- * The file path to read.
- *
- * @returns {Promise&lt;string[]>}
- * Returns a promise resolving to an array containing the stripped lines
- * of the given file or `[]` on failure.
- */
- lines: function(path) {
- return L.resolveDefault(this.read(path), '').then(function(s) {
- var lines = [];
-
- s = s.trim();
-
- if (s != '') {
- var l = s.split(/\n/);
-
- for (var i = 0; i &lt; l.length; i++)
- lines.push(l[i].trim());
- }
-
- return lines;
- });
- }
-});
-
-return FileSystem;
-</code></pre>
- </article>
- </section>
-
-
-
-
-</div>
-
-<nav>
- <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="LuCI.html">LuCI</a></li><li><a href="LuCI.Class.html">Class</a></li><li><a href="LuCI.dom.html">dom</a></li><li><a href="LuCI.fs.html">fs</a></li><li><a href="LuCI.Headers.html">Headers</a></li><li><a href="LuCI.Network.html">Network</a></li><li><a href="LuCI.Network.Device.html">Device</a></li><li><a href="LuCI.Network.Hosts.html">Hosts</a></li><li><a href="LuCI.Network.Protocol.html">Protocol</a></li><li><a href="LuCI.Network.WifiDevice.html">WifiDevice</a></li><li><a href="LuCI.Network.WifiNetwork.html">WifiNetwork</a></li><li><a href="LuCI.Poll.html">Poll</a></li><li><a href="LuCI.Request.html">Request</a></li><li><a href="LuCI.Request.poll.html">poll</a></li><li><a href="LuCI.Response.html">Response</a></li><li><a href="LuCI.rpc.html">rpc</a></li><li><a href="LuCI.uci.html">uci</a></li><li><a href="LuCI.view.html">view</a></li><li><a href="LuCI.XHR.html">XHR</a></li></ul>
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