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io.js
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// Copyright (c) 2006-2009 by Martin Stubenschrott <[email protected]>
// Some code based on Venkman
//
// This work is licensed for reuse under an MIT license. Details are
// given in the License.txt file included with this file.
/** @scope modules */
const VERSION = Services.appinfo.platformVersion;
plugins.contexts = {};
const Script = Class("Script", {
init: function (file) {
let self = plugins.contexts[file.path];
if (self) {
if (self.onUnload)
self.onUnload();
return self;
}
plugins.contexts[file.path] = this;
this.NAME = file.leafName.replace(/\..*/, "").replace(/-([a-z])/g, function (m, n1) n1.toUpperCase());
this.PATH = file.path;
this.toString = this.toString;
this.__context__ = this;
this.__proto__ = plugins;
// This belongs elsewhere
for (let dir of io.getRuntimeDirectories("plugin")) {
if (dir.contains(file, false))
plugins[this.NAME] = this;
}
return this;
}
});
/**
* @class File A class to wrap nsIFile objects and simplify operations
* thereon.
*
* @param {nsIFile|string} path Expanded according to {@link IO#expandPath}
* @param {boolean} checkPWD Whether to allow expansion relative to the
* current directory. @default true
*/
const File = Class("File", {
init: function (path, checkPWD) {
if (arguments.length < 2)
checkPWD = true;
let file = services.create("file");
if (path instanceof Ci.nsIFile)
file = path;
else if (/file:\/\//.test(path))
file = services.create("file:").getFileFromURLSpec(path);
else {
let expandedPath = File.expandPath(path);
if (!File.isAbsolutePath(expandedPath) && checkPWD)
file = File.joinPaths(io.getCurrentDirectory().path, expandedPath);
else
file.initWithPath(expandedPath);
}
let self = XPCNativeWrapper(file);
self.__proto__ = File.prototype;
return self;
},
/**
* Iterates over the objects in this directory.
*/
iterDirectory: function* () {
if (!this.isDirectory())
throw Error("Not a directory");
let entries = this.directoryEntries;
while (entries.hasMoreElements())
yield File(entries.getNext().QueryInterface(Ci.nsIFile));
},
/**
* Returns the list of files in this directory.
*
* @param {boolean} sort Whether to sort the returned directory
* entries.
* @returns {nsIFile[]}
*/
readDirectory: function (sort) {
if (!this.isDirectory())
throw Error("Not a directory");
let array = Array.from(this.iterDirectory());
if (sort)
array.sort(function (a, b) b.isDirectory() - a.isDirectory() || String.localeCompare(a.path, b.path));
return array;
},
/**
* Reads this file's entire contents in "text" mode and returns the
* content as a string.
*
* @param {string} encoding The encoding from which to decode the file.
* @default options["fileencoding"]
* @returns {string}
*/
read: function (encoding) {
let ifstream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream);
let icstream = Cc["@mozilla.org/intl/converter-input-stream;1"].createInstance(Ci.nsIConverterInputStream);
if (!encoding)
encoding = options.fileencoding;
ifstream.init(this, -1, 0, 0);
icstream.init(ifstream, encoding, 4096, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); // 4096 bytes buffering
let buffer = [];
let str = {};
while (icstream.readString(4096, str) != 0)
buffer.push(str.value);
icstream.close();
ifstream.close();
return buffer.join("");
},
/**
* Writes the string <b>buf</b> to this file.
*
* @param {string} buf The file content.
* @param {string|number} mode The file access mode, a bitwise OR of
* the following flags:
* {@link #MODE_RDONLY}: 0x01
* {@link #MODE_WRONLY}: 0x02
* {@link #MODE_RDWR}: 0x04
* {@link #MODE_CREATE}: 0x08
* {@link #MODE_APPEND}: 0x10
* {@link #MODE_TRUNCATE}: 0x20
* {@link #MODE_SYNC}: 0x40
* Alternatively, the following abbreviations may be used:
* ">" is equivalent to {@link #MODE_WRONLY} | {@link #MODE_CREATE} | {@link #MODE_TRUNCATE}
* ">>" is equivalent to {@link #MODE_WRONLY} | {@link #MODE_CREATE} | {@link #MODE_APPEND}
* @default ">"
* @param {number} perms The file mode bits of the created file. This
* is only used when creating a new file and does not change
* permissions if the file exists.
* @default 0644
* @param {string} encoding The encoding to used to write the file.
* @default options["fileencoding"]
*/
write: function (buf, mode, perms, encoding) {
let ofstream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
function getStream(defaultChar) {
let stream = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(Ci.nsIConverterOutputStream);
stream.init(ofstream, encoding, 0, defaultChar);
return stream;
}
if (!encoding)
encoding = options.fileencoding;
if (mode == ">>")
mode = File.MODE_WRONLY | File.MODE_CREATE | File.MODE_APPEND;
else if (!mode || mode == ">")
mode = File.MODE_WRONLY | File.MODE_CREATE | File.MODE_TRUNCATE;
if (!perms)
perms = 0644;
ofstream.init(this, mode, perms, 0);
let ocstream = getStream(0);
try {
ocstream.writeString(buf);
}
catch (e) {
// liberator.log(e);
if (e.result == Cr.NS_ERROR_LOSS_OF_SIGNIFICANT_DATA) {
ocstream = getStream("?".charCodeAt(0));
ocstream.writeString(buf);
return false;
}
else
throw e;
}
finally {
try {
ocstream.close();
}
catch (e) {}
ofstream.close();
}
return true;
}
}, {
/**
* @property {number} Open for reading only.
* @final
*/
MODE_RDONLY: 0x01,
/**
* @property {number} Open for writing only.
* @final
*/
MODE_WRONLY: 0x02,
/**
* @property {number} Open for reading and writing.
* @final
*/
MODE_RDWR: 0x04,
/**
* @property {number} If the file does not exist, the file is created.
* If the file exists, this flag has no effect.
* @final
*/
MODE_CREATE: 0x08,
/**
* @property {number} The file pointer is set to the end of the file
* prior to each write.
* @final
*/
MODE_APPEND: 0x10,
/**
* @property {number} If the file exists, its length is truncated to 0.
* @final
*/
MODE_TRUNCATE: 0x20,
/**
* @property {number} If set, each write will wait for both the file
* data and file status to be physically updated.
* @final
*/
MODE_SYNC: 0x40,
/**
* @property {number} With MODE_CREATE, if the file does not exist, the
* file is created. If the file already exists, no action and NULL
* is returned.
* @final
*/
MODE_EXCL: 0x80,
expandPathList: function (list) list.split(",").map(this.expandPath).join(","),
expandPath: function (path, relative) {
// expand any $ENV vars - this is naive but so is Vim and we like to be compatible
// TODO: Vim does not expand variables set to an empty string (and documents it).
// Kris reckons we shouldn't replicate this 'bug'. --djk
// TODO: should we be doing this for all paths?
function expand(path) path.replace(
!liberator.has("Windows") ? /\$(\w+)\b|\${(\w+)}/g
: /\$(\w+)\b|\${(\w+)}|%(\w+)%/g,
function (m, n1, n2, n3) services.get("environment").get(n1 || n2 || n3) || m
)
path = expand(path);
// expand ~
// Yuck.
if (!relative && RegExp("~(?:$|[/" + util.escapeRegex(IO.PATH_SEP) + "])").test(path)) {
// Try $HOME first, on all systems
let home = services.get("environment").get("HOME");
// Windows has its own idiosyncratic $HOME variables.
if (!home && liberator.has("Windows"))
home = services.get("environment").get("USERPROFILE") ||
services.get("environment").get("HOMEDRIVE") + services.get("environment").get("HOMEPATH");
path = home + path.substr(1);
}
// TODO: Vim expands paths twice, once before checking for ~, once
// after, but doesn't document it. Is this just a bug? --Kris
path = expand(path);
return path.replace(/\//g, IO.PATH_SEP);
},
getPathsFromPathList: function (list) {
if (!list)
return [];
// empty list item means the current directory
return list.replace(/,$/, "").split(",")
.map(function (dir) dir == "" ? io.getCurrentDirectory().path : dir);
},
replacePathSep: function (path) path.replace("/", IO.PATH_SEP, "g"),
joinPaths: function (head, tail) {
let path = this(head);
try {
path.appendRelativePath(this.expandPath(tail, true)); // FIXME: should only expand env vars and normalise path separators
// TODO: This code breaks the external editor at least in Ubuntu
// because /usr/bin/gvim becomes /usr/bin/vim.gnome normalized and for
// some strange reason it will start without a gui then (which is not
// optimal if you don't start firefox from a terminal ;)
// Why do we need this code?
// if (path.exists() && path.normalize)
// path.normalize();
}
catch (e) {
return { exists: function () false, __noSuchMethod__: function () { throw e; } };
}
return path;
},
isAbsolutePath: function (path) {
try {
services.create("file").initWithPath(path);
return true;
}
catch (e) {
return false;
}
}
});
// TODO: why are we passing around strings rather than file objects?
/**
* Provides a basic interface to common system I/O operations.
* @instance io
*/
const IO = Module("io", {
requires: ["config", "services"],
init: function () {
this._processDir = services.get("dirsvc").get("CurWorkD", Ci.nsIFile);
this._cwd = this._processDir;
this._oldcwd = null;
this._lastRunCommand = ""; // updated whenever the users runs a command with :!
this._scriptNames = [];
if (services.get("vc").compare(VERSION, "26.0a1") < 0) {
this.downloadListener = {
onDownloadStateChange: function (state, download) {
if (download.state == services.get("downloads").DOWNLOAD_FINISHED) {
let url = download.source.spec;
let title = download.displayName;
let file = download.targetFile.path;
let size = download.size;
liberator.echomsg("Download of " + title + " to " + file + " finished");
autocommands.trigger("DownloadPost", { url: url, title: title, file: file, size: size });
}
},
onStateChange: function () {},
onProgressChange: function () {},
onSecurityChange: function () {}
};
services.get("downloads").addListener(this.downloadListener);
} else {
let downloadListener = this.downloadListener = {
onDownloadChanged: function (download) {
if (download.succeeded) {
let {
source: { url },
target: {path: file},
totalBytes: size,
} = download;
let title = File(file).leafName;
liberator.echomsg("Download of " + title + " to " + file + " finished");
autocommands.trigger("DownloadPost", { url: url, title: title, file: file, size: size });
}
},
};
let {Downloads} = Cu.import("resource://gre/modules/Downloads.jsm", {});
Downloads.getList(Downloads.ALL)
.then(function (downloadList) {
downloadList.addView(downloadListener);
});
}
},
destroy: function () {
if (services.get("vc").compare(VERSION, "26.0a1") < 0) {
services.get("downloads").removeListener(this.downloadListener);
} else {
let {Downloads} = Cu.import("resource://gre/modules/Downloads.jsm", {});
let downloadListener = this.downloadListener;
Downloads.getList(Downloads.ALL)
.then(function (downloadList) {
downloadList.removeView(downloadListener);
});
}
for (let [, plugin] in Iterator(plugins.contexts))
if (plugin.onUnload)
plugin.onUnload();
},
/**
* @property {function} File class.
* @final
*/
File: File,
/**
* @property {Object} The current file sourcing context. As a file is
* being sourced the 'file' and 'line' properties of this context
* object are updated appropriately.
*/
sourcing: null,
/**
* Expands "~" and environment variables in <b>path</b>.
*
* "~" is expanded to to the value of $HOME. On Windows if this is not
* set then the following are tried in order:
* $USERPROFILE
* ${HOMDRIVE}$HOMEPATH
*
* The variable notation is $VAR (terminated by a non-word character)
* or ${VAR}. %VAR% is also supported on Windows.
*
* @param {string} path The unexpanded path string.
* @param {boolean} relative Whether the path is relative or absolute.
* @returns {string}
*/
expandPath: File.expandPath,
// TODO: there seems to be no way, short of a new component, to change
// the process's CWD - see https://bugzilla.mozilla.org/show_bug.cgi?id=280953
/**
* Returns the current working directory.
*
* It's not possible to change the real CWD of the process so this
* state is maintained internally. External commands run via
* {@link #system} are executed in this directory.
*
* @returns {nsIFile}
*/
getCurrentDirectory: function () {
let dir = File(this._cwd.path);
// NOTE: the directory could have been deleted underneath us so
// fallback to the process's CWD
if (dir.exists() && dir.isDirectory())
return dir;
else
return this._processDir;
},
/**
* Sets the current working directory.
*
* @param {string} newDir The new CWD. This may be a relative or
* absolute path and is expanded by {@link #expandPath}.
*/
setCurrentDirectory: function (newDir) {
newDir = newDir || "~";
if (newDir == "-") {
[this._cwd, this._oldcwd] = [this._oldcwd, this.getCurrentDirectory()];
} else {
let dir = File(newDir);
if (!dir.exists() || !dir.isDirectory()) {
liberator.echoerr("Directory does not exist: " + dir.path);
return null;
}
dir.normalize();
[this._cwd, this._oldcwd] = [dir, this.getCurrentDirectory()];
}
return this.getCurrentDirectory();
},
/**
* Returns all directories named <b>name<b/> in 'runtimepath'.
*
* @param {string} name
* @returns {nsIFile[])
*/
getRuntimeDirectories: function (name) {
let dirs = File.getPathsFromPathList(options.runtimepath);
dirs = dirs.map(function (dir) File.joinPaths(dir, name))
.filter(function (dir) dir.exists() && dir.isDirectory() && dir.isReadable());
return dirs;
},
/**
* Returns the first user RC file found in <b>dir</b>.
*
* @param {string} dir The directory to search.
* @param {boolean} always When true, return a path whether
* the file exists or not.
* @default $HOME.
* @returns {nsIFile} The RC file or null if none is found.
*/
getRCFile: function (dir, always) {
dir = dir || "~";
let rcFile1 = File.joinPaths(dir, "." + config.name.toLowerCase() + "rc");
let rcFile2 = File.joinPaths(dir, "_" + config.name.toLowerCase() + "rc");
if (liberator.has("Windows"))
[rcFile1, rcFile2] = [rcFile2, rcFile1];
if (rcFile1.exists() && rcFile1.isFile())
return rcFile1;
else if (rcFile2.exists() && rcFile2.isFile())
return rcFile2;
else if (always)
return rcFile1;
return null;
},
// TODO: make secure
/**
* Creates a temporary file.
*
* @returns {File}
*/
createTempFile: function () {
let file = services.get("dirsvc").get("TmpD", Ci.nsIFile);
file.append(config.tempFile);
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0600);
return File(file);
},
/**
* Runs an external program.
*
* @param {string} program The program to run.
* @param {string[]} args An array of arguments to pass to <b>program</b>.
* @param {boolean} blocking Whether to wait until the process terminates.
*/
blockingProcesses: [],
run: function (program, args, blocking) {
args = args || [];
blocking = !!blocking;
let file;
if (File.isAbsolutePath(program))
file = File(program, true);
else {
let dirs = services.get("environment").get("PATH").split(liberator.has("Windows") ? ";" : ":");
// Windows tries the CWD first TODO: desirable?
if (liberator.has("Windows"))
dirs = [io.getCurrentDirectory().path].concat(dirs);
lookup:
for (let dir of dirs) {
file = File.joinPaths(dir, program);
try {
if (file.exists())
break;
// TODO: couldn't we just palm this off to the start command?
// automatically try to add the executable path extensions on windows
if (liberator.has("Windows")) {
let extensions = services.get("environment").get("PATHEXT").split(";");
for (let extension of extensions) {
file = File.joinPaths(dir, program + extension);
if (file.exists())
break lookup;
}
}
}
catch (e) {}
}
}
if (!file || !file.exists()) {
liberator.callInMainThread(function() {
if (services.get("threadManager").isMainThread) // does not really seem to work but at least doesn't crash Firefox
liberator.echoerr("Command not found: " + program);
}, this);
return -1;
}
let process = services.create("process");
process.init(file);
process.run(false, args.map(String), args.length);
try {
if (blocking)
while (process.isRunning)
liberator.threadYield(false, true);
}
catch (e) {
process.kill();
throw e;
}
return process.exitValue;
},
// FIXME: multiple paths?
/**
* Sources files found in 'runtimepath'. For each relative path in
* <b>paths</b> each directory in 'runtimepath' is searched and if a
* matching file is found it is sourced. Only the first file found (per
* specified path) is sourced unless <b>all</b> is specified, then
* all found files are sourced.
*
* @param {string[]} paths An array of relative paths to source.
* @param {boolean} all Whether all found files should be sourced.
*/
sourceFromRuntimePath: function (paths, all) {
let dirs = File.getPathsFromPathList(options.runtimepath);
let found = false;
liberator.log("Searching for \"" + paths.join(" ") + "\" in \"" + options.runtimepath + "\"");
outer:
for (let dir of dirs) {
for (let path of paths) {
let file = File.joinPaths(dir, path);
if (file.exists() && file.isFile() && file.isReadable()) {
io.source(file.path, false);
found = true;
if (!all)
break outer;
}
}
}
if (!found)
liberator.log("not found in 'runtimepath': \"" + paths.join(" ") + "\"");
return found;
},
/**
* Reads Ex commands, JavaScript or CSS from <b>filename</b>.
*
* @param {string} filename The name of the file to source.
* @param {boolean} silent Whether errors should be reported.
*/
source: function (filename, silent) {
let wasSourcing = this.sourcing;
try {
var file = File(filename);
this.sourcing = {
file: file.path,
line: 0
};
if (!file.exists() || !file.isReadable() || file.isDirectory()) {
if (!silent) {
if (file.exists() && file.isDirectory())
liberator.echomsg("Cannot source a directory: " + filename);
else
liberator.echomsg("Could not source: " + filename);
liberator.echoerr("Cannot open file: " + filename);
}
return;
}
// liberator.echomsg("Sourcing \"" + filename + "\" ...");
let str = file.read();
let uri = services.get("io").newFileURI(file);
// handle pure JavaScript files specially
if (/\.js$/.test(filename)) {
try {
// Workaround for SubscriptLoader caching.
let suffix = '?' + encodeURIComponent(services.get("UUID").generateUUID().toString());
liberator.loadScript(uri.spec + suffix, Script(file));
if (liberator.initialized)
liberator.initHelp();
}
catch (e) {
let err = new Error();
for (let [k, v] in Iterator(e))
err[k] = v;
err.echoerr = xml`${file.path}:${e.lineNumber}: ${e}`;
throw err;
}
}
else if (/\.css$/.test(filename))
storage.styles.registerSheet(uri.spec, false, true);
else {
let heredoc = "";
let heredocEnd = null; // the string which ends the heredoc
let lines = str.split(/\r\n|[\r\n]/);
function execute(args) { command.execute(args, special, count, { setFrom: file }); }
for (let [i, line] in Iterator(lines)) {
if (heredocEnd) { // we already are in a heredoc
if (heredocEnd.test(line)) {
execute(heredoc);
heredoc = "";
heredocEnd = null;
}
else
heredoc += line + "\n";
}
else {
this.sourcing.line = i + 1;
// skip line comments and blank lines
line = line.replace(/\r$/, "");
if (/^\s*(".*)?$/.test(line))
continue;
var [count, cmd, special, args] = commands.parseCommand(line);
var command = commands.get(cmd);
if (!command) {
let lineNumber = i + 1;
liberator.echoerr("Error detected while processing: " + file.path);
commandline.echo("line " + lineNumber + ":", commandline.HL_LINENR, commandline.APPEND_TO_MESSAGES);
liberator.echoerr("Not an editor command: " + line);
}
else {
if (command.name == "finish")
break;
else if (command.hereDoc) {
// check for a heredoc
let matches = args.match(/(.*)<<\s*(\S+)$/);
if (matches) {
args = matches[1];
heredocEnd = RegExp("^" + matches[2] + "$", "m");
if (matches[1])
heredoc = matches[1] + "\n";
continue;
}
}
execute(args);
}
}
}
// if no heredoc-end delimiter is found before EOF then
// process the heredoc anyway - Vim compatible ;-)
if (heredocEnd)
execute(heredoc);
}
if (this._scriptNames.indexOf(file.path) == -1)
this._scriptNames.push(file.path);
liberator.log("Sourced: " + filename);
}
catch (e) {
liberator.echoerr(e, null, "Sourcing file failed: ");
}
finally {
this.sourcing = wasSourcing;
}
},
// TODO: when https://bugzilla.mozilla.org/show_bug.cgi?id=68702 is
// fixed use that instead of a tmpfile
/**
* Runs <b>command</b> in a subshell and returns the output in a
* string. The shell used is that specified by the 'shell' option.
*
* @param {string} command The command to run.
* @param {string} input Any input to be provided to the command on stdin.
* @returns {string}
*/
system: function (command, input) {
liberator.echomsg("Executing: " + command);
function escape(str) '"' + str.replace(/[\\"$]/g, "\\$&") + '"'
return this.withTempFiles(function (stdin, stdout, cmd) {
if (input)
stdin.write(input);
// TODO: implement 'shellredir'
if (liberator.has("Windows")) {
if (options.shell == "cmd.exe") {
command = "cd /D " + this._cwd.path + " && " + command + " > " + stdout.path + " 2>&1" + " < " + stdin.path;
} else {
// in this case, assume the shell is unix-like
command = "cd " + escape(this._cwd.path) + " && " + command + " > " + escape(stdout.path) + " 2>&1" + " < " + escape(stdin.path);
}
var res = this.run(options.shell, options.shellcmdflag.split(/\s+/).concat(command), true);
}
else {
cmd.write("cd " + escape(this._cwd.path) + "\n" +
["exec", ">" + escape(stdout.path), "2>&1", "<" + escape(stdin.path),
escape(options.shell), options.shellcmdflag, escape(command)].join(" "));
res = this.run("/bin/sh", ["-e", cmd.path], true);
}
let output = stdout.read();
if (res > 0)
output += "\nshell returned " + res;
// if there is only one \n at the end, chop it off
else if (output && output.indexOf("\n") == output.length - 1)
output = output.substr(0, output.length - 1);
return output;
}) || "";
},
/**
* Creates a temporary file context for executing external commands.
* <b>func</b> is called with a temp file, created with
* {@link #createTempFile}, for each explicit argument. Ensures that
* all files are removed when <b>func</b> returns.
*
* @param {function} func The function to execute.
* @param {Object} self The 'this' object used when executing func.
* @returns {boolean} false if temp files couldn't be created,
* otherwise, the return value of <b>func</b>.
*/
withTempFiles: function (func, self) {
let args = util.map(util.range(0, func.length), this.createTempFile);
if (!args.every(util.identity))
return false;
try {
return func.apply(self || this, args);
}
finally {
args.forEach(function (f) f.remove(false));
}
}
}, {
/**
* @property {string} The value of the $VIMPERATOR_RUNTIME environment
* variable.
*/
get runtimePath() {
const rtpvar = config.name.toUpperCase() + "_RUNTIME";
let rtp = services.get("environment").get(rtpvar);
if (!rtp) {
rtp = "~/" + (liberator.has("Windows") ? "" : ".") + config.name.toLowerCase();
services.get("environment").set(rtpvar, rtp);
}
return rtp;
},
/**
* @property {string} The current platform's path separator.
*/
get PATH_SEP() {
delete this.PATH_SEP;
let f = services.get("dirsvc").get("CurProcD", Ci.nsIFile);
f.append("foo");
return this.PATH_SEP = f.path.substr(f.parent.path.length, 1);
}
}, {
commands: function () {
commands.add(["cd", "chd[ir]"],
"Change the current directory",
function (args) {
let arg = args.literalArg;
if (!arg) {
arg = "~";
} else if (arg == "-") {
liberator.assert(io._oldcwd, "No previous directory");
arg = io._oldcwd.path;
}
arg = File.expandPath(arg);
// go directly to an absolute path or look for a relative path
// match in 'cdpath'
if (File.isAbsolutePath(arg)) {
if (io.setCurrentDirectory(arg))
liberator.echomsg(io.getCurrentDirectory().path);
} else {
let dirs = File.getPathsFromPathList(options.cdpath);
let found = false;
for (let dir of dirs) {
dir = File.joinPaths(dir, arg);
if (dir.exists() && dir.isDirectory() && dir.isReadable()) {
io.setCurrentDirectory(dir.path);
liberator.echomsg(io.getCurrentDirectory().path);
found = true;
break;
}
}
if (!found)
liberator.echoerr("Can't find directory " + JSON.stringify(arg) + " in cdpath\n" + "Command failed");
}
}, {
argCount: "?",
completer: function (context) completion.directory(context, true),
literal: 0
});
// NOTE: this command is only used in :source
commands.add(["fini[sh]"],
"Stop sourcing a script file",
function () { liberator.echoerr(":finish used outside of a sourced file"); },
{ argCount: "0" });
commands.add(["pw[d]"],
"Print the current directory name",
function () { liberator.echomsg(io.getCurrentDirectory().path); },
{ argCount: "0" });
// "mkv[imperatorrc]" or "mkm[uttatorrc]"
commands.add([config.name.toLowerCase().replace(/(.)(.*)/, "mk$1[$2rc]")],
"Write current key mappings and changed options to the config file",
function (args) {
liberator.assert(args.length <= 1, "Only one file name allowed");
let filename = args[0] || io.getRCFile(null, true).path;
let file = File(filename);
liberator.assert(!file.exists() || args.bang,
"File exists: " + filename + ". Add ! to override.");
let lines = Array.from(iter(commands))
.filter(cmd => cmd.serial)
.map(cmd => cmd.serial().map(commands.commandToString));
lines = util.Array.flatten(lines);
// source a user .vimperatorrc file
lines.unshift('"' + liberator.version + "\n");
// For the record, I think that adding this line is absurd. --Kris
// I can't disagree. --djk
lines.push(commands.commandToString({
command: "source",
bang: true,
arguments: [filename + ".local"]
}));
lines.push("\n\" vim: set ft=" + config.name.toLowerCase() + ":");
try {
file.write(lines.join("\n"));
}
catch (e) {
liberator.echoerr("Could not write to " + file.path + ": " + e.message);
}
}, {
argCount: "*", // FIXME: should be "?" but kludged for proper error message
bang: true,
completer: function (context) completion.file(context, true)
});
commands.add(["runt[ime]"],
"Source the specified file from each directory in 'runtimepath'",
function (args) { io.sourceFromRuntimePath(args, args.bang); }, {
argCount: "+",
bang: true
}
);
commands.add(["scrip[tnames]"],
"List all sourced script names",
function () {
let list = template.tabular([{ header: "<SNR>", style: "text-align: right; padding-right: 1em;" }, "Filename"],
iter(io._scriptNames.map((file, i) => [i + 1, file])));
commandline.echo(list, commandline.HL_NORMAL, commandline.FORCE_MULTILINE);
},
{ argCount: "0" });
commands.add(["so[urce]"],
"Read Ex commands from a file",
function (args) {
io.source(args.literalArg, args.bang);
}, {
literal: 0,
bang: true,
completer: function (context) completion.file(context, true)
});
commands.add(["!", "run"],
"Run a command",
function (args) {
let arg = args.literalArg;
// :!! needs to be treated specially as the command parser sets the
// bang flag but removes the ! from arg
if (args.bang)
arg = "!" + arg;
// replaceable bang and no previous command?
liberator.assert(!/((^|[^\\])(\\\\)*)!/.test(arg) || io._lastRunCommand, "No previous command");
// NOTE: Vim doesn't replace ! preceded by 2 or more backslashes and documents it - desirable?
// pass through a raw bang when escaped or substitute the last command
arg = arg.replace(/(\\)*!/g,
function (m) /^\\(\\\\)*!$/.test(m) ? m.replace("\\!", "!") : m.replace("!", io._lastRunCommand)
);
io._lastRunCommand = arg;