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pentadactyl-pm/common/content/io.js

1002 lines
37 KiB
JavaScript

// Copyright (c) 2006-2008 by Martin Stubenschrott <stubenschrott@vimperator.org>
// Copyright (c) 2007-2009 by Doug Kearns <dougkearns@gmail.com>
// Copyright (c) 2008-2010 by Kris Maglione <maglione.k@gmail.com>
// 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.
"use strict";
/** @scope modules */
plugins.contexts = {};
function Script(file) {
let self = set.has(plugins, file.path) && plugins[file.path];
if (self) {
if (set.has(self, "onUnload"))
self.onUnload();
}
else {
self = update({ __proto__: plugins }, {
NAME: file.leafName.replace(/\..*/, "").replace(/-([a-z])/g, function (m, n1) n1.toUpperCase()),
PATH: file.path,
CONTEXT: self
});
Class.replaceProperty(plugins, file.path, self);
// This belongs elsewhere
if (io.getRuntimeDirectories("plugins").some(
function (dir) dir.contains(file, false)))
Class.replaceProperty(plugins, self.NAME, self);
}
plugins.contexts[file.path] = self;
return self;
}
// TODO: why are we passing around strings rather than file objects?
/**
* Provides a basic interface to common system I/O operations.
* @instance io
*/
var IO = Module("io", {
init: function () {
this._processDir = services.directory.get("CurWorkD", Ci.nsIFile);
this._cwd = this._processDir.path;
this._oldcwd = null;
this._lastRunCommand = ""; // updated whenever the users runs a command with :!
this._scriptNames = [];
this.downloadListener = {
onDownloadStateChange: function (state, download) {
if (download.state == services.downloadManager.DOWNLOAD_FINISHED) {
let url = download.source.spec;
let title = download.displayName;
let file = download.targetFile.path;
let size = download.size;
dactyl.echomsg({ domains: [util.getHost(url)], message: "Download of " + title + " to " + file + " finished" },
1, commandline.ACTIVE_WINDOW);
autocommands.trigger("DownloadPost", { url: url, title: title, file: file, size: size });
}
},
onStateChange: function () {},
onProgressChange: function () {},
onSecurityChange: function () {}
};
services.downloadManager.addListener(this.downloadListener);
},
destroy: function () {
services.downloadManager.removeListener(this.downloadListener);
for (let [, plugin] in Iterator(plugins.contexts))
if (plugin.onUnload)
plugin.onUnload();
},
// 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}
*/
get cwd() {
let dir = File(this._cwd);
// NOTE: the directory could have been deleted underneath us so
// fallback to the process's CWD
if (dir.exists() && dir.isDirectory())
return dir.path;
else
return this._processDir.path;
},
/**
* 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}.
*/
set cwd(newDir) {
newDir = newDir || "~";
if (newDir == "-") {
dactyl.assert(this._oldcwd != null, "E186: No previous directory");
[this._cwd, this._oldcwd] = [this._oldcwd, this.cwd];
}
else {
let dir = io.File(newDir);
dactyl.assert(dir.exists() && dir.isDirectory(), "E344: Can't find directory " + dir.path.quote());
dir.normalize();
[this._cwd, this._oldcwd] = [dir.path, this.cwd];
}
return this.cwd;
},
/**
* @property {function} File class.
* @final
*/
File: Class("File", File, {
init: function init(path, checkCWD)
init.supercall(this, path, (arguments.length < 2 || checkCWD) && io.cwd)
}),
/**
* @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 *path*.
*
* "~" 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,
/**
* Returns all directories named *name* in 'runtimepath'.
*
* @param {string} name
* @returns {nsIFile[])
*/
getRuntimeDirectories: function (name) {
let dirs = options["runtimepath"];
dirs = dirs.map(function (dir) File.joinPaths(dir, name, this.cwd), this)
.filter(function (dir) dir.exists() && dir.isDirectory() && dir.isReadable());
return dirs;
},
/**
* Returns the first user RC file found in *dir*.
*
* @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 + "rc", this.cwd);
let rcFile2 = File.joinPaths(dir, "_" + config.name + "rc", this.cwd);
if (util.OS.isWindows)
[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.directory.get("TmpD", Ci.nsIFile);
file.append(config.tempFile);
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, octal(600));
Cc["@mozilla.org/uriloader/external-helper-app-service;1"]
.getService(Ci.nsPIExternalAppLauncher).deleteTemporaryFileOnExit(file);
return io.File(file);
},
isJarURL: function (url) {
try {
let uri = util.newURI(url);
let channel = services.io.newChannelFromURI(uri);
channel.cancel(Cr.NS_BINDING_ABORTED);
if (channel instanceof Ci.nsIJARChannel)
return channel.URI.QueryInterface(Ci.nsIJARURI);
}
catch (e) {}
return false;
},
readHeredoc: function (end) {
return "";
},
pathSearch: function (bin) {
let dirs = services.environment.get("PATH").split(util.OS.isWindows ? ";" : ":");
// Windows tries the CWD first TODO: desirable?
if (util.OS.isWindows)
dirs = [io.cwd].concat(dirs);
for (let [, dir] in Iterator(dirs))
try {
dir = io.File(dir, true);
let file = dir.child(bin);
if (file.exists())
return file;
// TODO: couldn't we just palm this off to the start command?
// automatically try to add the executable path extensions on windows
if (util.OS.isWindows) {
let extensions = services.environment.get("PATHEXT").split(";");
for (let [, extension] in Iterator(extensions)) {
file = dir.child(bin + extension);
if (file.exists())
return file;
}
}
}
catch (e) {}
return null;
},
/**
* Runs an external program.
*
* @param {string} program The program to run.
* @param {string[]} args An array of arguments to pass to *program*.
*/
run: function (program, args, blocking) {
args = args || [];
let file;
if (File.isAbsolutePath(program))
file = io.File(program, true);
else
file = io.pathSearch(program);
if (!file || !file.exists()) {
dactyl.echoerr("Command not found: " + program);
return -1;
}
let process = services.Process(file);
process.run(false, args.map(String), args.length);
try {
if (callable(blocking))
var timer = services.Timer(
function () {
if (!process.isRunning) {
timer.cancel();
dactyl.trapErrors(blocking);
}
},
100, services.Timer.TYPE_REPEATING_SLACK);
else if (blocking)
while (process.isRunning)
util.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 *paths*
* 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 *all* 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 = options["runtimepath"];
let found = false;
dactyl.echomsg("Searching for " + paths.join(" ").quote() + " in " + options.get("runtimepath").stringValue, 2);
outer:
for (let [, dir] in Iterator(dirs)) {
for (let [, path] in Iterator(paths)) {
let file = File.joinPaths(dir, path, this.cwd);
dactyl.echomsg("Searching for " + file.path.quote(), 3);
if (file.exists() && file.isFile() && file.isReadable()) {
io.source(file.path, false);
found = true;
if (!all)
break outer;
}
}
}
if (!found)
dactyl.echomsg("not found in 'runtimepath': " + paths.join(" ").quote(), 1);
return found;
},
/**
* Reads Ex commands, JavaScript or CSS from *filename*.
*
* @param {string} filename The name of the file to source.
* @param {boolean} silent Whether errors should be reported.
*/
source: function (filename, silent) {
defineModule.loadLog.push("sourcing " + filename);
let time = Date.now();
this.withSavedValues(["sourcing"], function () {
this.sourcing = null;
try {
var file = util.getFile(filename) || io.File(filename);
if (!file.exists() || !file.isReadable() || file.isDirectory()) {
if (!silent)
dactyl.echoerr("E484: Can't open file " + filename.quote());
return;
}
dactyl.echomsg("sourcing " + filename.quote(), 2);
let uri = services.io.newFileURI(file);
// handle pure JavaScript files specially
if (/\.js$/.test(filename)) {
try {
dactyl.loadScript(uri.spec, Script(file));
dactyl.helpInitialized = false;
}
catch (e) {
if (e.fileName)
try {
e.fileName = e.fileName.replace(/^(chrome|resource):.*? -> /, "");
if (e.fileName == uri.spec)
e.fileName = filename;
e.echoerr = <>{e.fileName}:{e.lineNumber}: {e}</>;
}
catch (e) {}
throw e;
}
}
else if (/\.css$/.test(filename))
styles.registerSheet(uri.spec, false, true);
else {
commands.execute(file.read(), null, silent || "loud", null,
{ file: file.path, line: 1 });
}
if (this._scriptNames.indexOf(file.path) == -1)
this._scriptNames.push(file.path);
dactyl.echomsg("finished sourcing " + filename.quote(), 2);
dactyl.log("Sourced: " + filename, 3);
}
catch (e) {
if (!(e instanceof FailedAssertion))
dactyl.reportError(e);
let message = "Sourcing file: " + (e.echoerr || file.path + ": " + e);
if (!silent)
dactyl.echoerr(message);
}
finally {
defineModule.loadLog.push("done sourcing " + filename + ": " + (Date.now() - time) + "ms");
}
});
},
// TODO: when https://bugzilla.mozilla.org/show_bug.cgi?id=68702 is
// fixed use that instead of a tmpfile
/**
* Runs *command* in a subshell and returns the output in a string. The
* shell used is that specified by the 'shell' option.
*
* @param {string} command The command to run.
* @param {string} input Any input to be provided to the command on stdin.
* @returns {string}
*/
system: function (command, input) {
dactyl.echomsg("Calling shell to execute: " + command, 4);
function escape(str) '"' + str.replace(/[\\"$]/g, "\\$&") + '"';
return this.withTempFiles(function (stdin, stdout, cmd) {
if (input instanceof File)
stdin = input;
else if (input)
stdin.write(input);
let shell = File.expandPath(options["shell"]);
if (isArray(command))
command = command.map(escape).join(" ");
// TODO: implement 'shellredir'
if (util.OS.isWindows && !/sh/.test(options["shell"])) {
command = "cd /D " + this.cwd + " && " + command + " > " + stdout.path + " 2>&1" + " < " + stdin.path;
var res = this.run(shell, options["shellcmdflag"].split(/\s+/).concat(command), true);
}
else {
cmd.write("cd " + escape(this.cwd) + "\n" +
["exec", ">" + escape(stdout.path), "2>&1", "<" + escape(stdin.path),
escape(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;
else if (output)
output = output.replace(/^(.*)\n$/, "$1");
return output;
}) || "";
},
/**
* Creates a temporary file context for executing external commands.
* *func* is called with a temp file, created with {@link #createTempFile},
* for each explicit argument. Ensures that all files are removed when
* *func* 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 *func*.
*/
withTempFiles: function (func, self, checked) {
let args = util.map(util.range(0, func.length), this.createTempFile);
try {
if (!args.every(util.identity))
return false;
var res = func.apply(self || this, args);
}
finally {
if (!checked || res !== true)
args.forEach(function (f) f && f.remove(false));
}
return res;
}
}, {
/**
* @property {string} The value of the $PENTADACTYL_RUNTIME environment
* variable.
*/
get runtimePath() {
const rtpvar = config.idName + "_RUNTIME";
let rtp = services.environment.get(rtpvar);
if (!rtp) {
rtp = "~/" + (util.OS.isWindows ? "" : ".") + config.name;
services.environment.set(rtpvar, rtp);
}
return rtp;
},
/**
* @property {string} The current platform's path separator.
*/
PATH_SEP: File.PATH_SEP
}, {
commands: function () {
commands.add(["cd", "chd[ir]"],
"Change the current directory",
function (args) {
let arg = args[0];
if (!arg)
arg = "~";
arg = File.expandPath(arg);
// go directly to an absolute path or look for a relative path
// match in 'cdpath'
// TODO: handle ../ and ./ paths
if (File.isAbsolutePath(arg)) {
io.cwd = arg;
dactyl.echomsg(io.cwd);
}
else {
let dirs = options["cdpath"];
for (let [, dir] in Iterator(dirs)) {
dir = File.joinPaths(dir, arg, io.cwd);
if (dir.exists() && dir.isDirectory() && dir.isReadable()) {
io.cwd = dir.path;
dactyl.echomsg(io.cwd);
return;
}
}
dactyl.echoerr("E344: Can't find directory " + arg.quote() + " in cdpath");
dactyl.echoerr("E472: 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 () {
dactyl.assert(io.sourcing, "E168: :finish used outside of a sourced file");
io.sourcing.finished = true;
},
{ argCount: "0" });
commands.add(["pw[d]"],
"Print the current directory name",
function () { dactyl.echomsg(io.cwd); },
{ argCount: "0" });
commands.add([config.name.replace(/(.)(.*)/, "mk$1[$2rc]")],
"Write current key mappings and changed options to the config file",
function (args) {
dactyl.assert(args.length <= 1, "E172: Only one file name allowed");
let filename = args[0] || io.getRCFile(null, true).path;
let file = io.File(filename);
dactyl.assert(!file.exists() || args.bang,
"E189: " + filename.quote() + " exists (add ! to override)");
// TODO: Use a set/specifiable list here:
let lines = [cmd.serialize().map(commands.commandToString, cmd) for (cmd in commands.iterator()) if (cmd.serialize)];
lines = array.flatten(lines);
lines.unshift('"' + dactyl.version + "\n");
lines.push("\n\" vim: set ft=" + config.name + ":");
try {
file.write(lines.join("\n"));
}
catch (e) {
dactyl.echoerr("E190: Cannot open " + filename.quote() + " for writing");
dactyl.log("Could not write to " + file.path + ": " + e.message); // XXX
}
}, {
argCount: "*", // FIXME: should be "?" but kludged for proper error message
bang: true,
completer: function (context) completion.file(context, true)
});
commands.add(["mks[yntax]"],
"Generate a Vim syntax file",
function (args) {
let runtime = util.OS.isWindows ? "~/vimfiles/" : "~/.vim/";
let file = io.File(runtime + "syntax/" + config.name + ".vim");
if (args.length)
file = io.File(args[0]);
if (file.exists() && file.isDirectory() || args[0] && /\/$/.test(args[0]))
file.append(config.name + ".vim");
dactyl.assert(!file.exists() || args.bang, "File exists");
let template = util.compileMacro(String(<![CDATA[
" Vim syntax file
" Language: Pentadactyl configuration file
" Maintainer: Doug Kearns <dougkearns@gmail.com>
" TODO: make this <name> specific - shared dactyl config?
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
syn include @javascriptTop syntax/javascript.vim
unlet b:current_syntax
syn include @cssTop syntax/css.vim
unlet b:current_syntax
syn match <name>CommandStart "\%(^\s*:\=\)\@<=" nextgroup=<name>Command,<name>AutoCmd
<commands>
\ contained
syn match <name>Command "!" contained
syn keyword <name>AutoCmd au[tocmd] contained nextgroup=<name>AutoEventList skipwhite
<autocommands>
\ contained
syn match <name>AutoEventList "\(\a\+,\)*\a\+" contained contains=<name>AutoEvent
syn region <name>Set matchgroup=<name>Command start="\%(^\s*:\=\)\@<=\<\%(setl\%[ocal]\|setg\%[lobal]\|set\=\)\=\>"
\ end="$" keepend oneline contains=<name>Option,<name>String
<options>
\ contained nextgroup=pentadactylSetMod
<toggleoptions>
execute 'syn match <name>Option "\<\%(no\|inv\)\=\%(' .
\ join(s:toggleOptions, '\|') .
\ '\)\>!\=" contained nextgroup=<name>SetMod'
syn match <name>SetMod "\%(\<[a-z_]\+\)\@<=&" contained
syn region <name>JavaScript start="\%(^\s*\%(javascript\|js\)\s\+\)\@<=" end="$" contains=@javascriptTop keepend oneline
syn region <name>JavaScript matchgroup=<name>JavaScriptDelimiter
\ start="\%(^\s*\%(javascript\|js\)\s\+\)\@<=<<\s*\z(\h\w*\)"hs=s+2 end="^\z1$" contains=@javascriptTop fold
let s:cssRegionStart = '\%(^\s*sty\%[le]!\=\s\+\%(-\%(n\|name\)\%(\s\+\|=\)\S\+\s\+\)\=[^-]\S\+\s\+\)\@<='
execute 'syn region <name>Css start="' . s:cssRegionStart . '" end="$" contains=@cssTop keepend oneline'
execute 'syn region <name>Css matchgroup=<name>CssDelimiter'
\ 'start="' . s:cssRegionStart . '<<\s*\z(\h\w*\)"hs=s+2 end="^\z1$" contains=@cssTop fold'
syn match <name>Notation "<[0-9A-Za-z-]\+>"
syn match <name>Comment +".*$+ contains=<name>Todo,@Spell
syn keyword <name>Todo FIXME NOTE TODO XXX contained
syn region <name>String start="\z(["']\)" end="\z1" skip="\\\\\|\\\z1" oneline
syn match <name>LineComment +^\s*".*$+ contains=<name>Todo,@Spell
" NOTE: match vim.vim highlighting group names
hi def link <name>AutoCmd <name>Command
hi def link <name>AutoEvent Type
hi def link <name>Command Statement
hi def link <name>Comment Comment
hi def link <name>JavaScriptDelimiter Delimiter
hi def link <name>CssDelimiter Delimiter
hi def link <name>Notation Special
hi def link <name>LineComment Comment
hi def link <name>Option PreProc
hi def link <name>SetMod <name>Option
hi def link <name>String String
hi def link <name>Todo Todo
let b:current_syntax = "<name>"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: tw=130 et ts=4 sw=4:
]]>), true);
const WIDTH = 80;
function wrap(prefix, items, sep) {
sep = sep || " ";
let width = 0;
let lines = [];
lines.__defineGetter__("last", function () this[this.length - 1]);
for (let item in (isArray(items) ? array.iterValues : iter)(items)) {
if (item.length > width && (!lines.length || lines.last.length > 1)) {
lines.push([prefix]);
width = WIDTH - prefix.length;
prefix = " \\ ";
}
width -= item.length + sep.length;
lines.last.push(item, sep);
}
lines.last.pop();
return lines.map(function (l) l.join("")).join("\n").replace(/\s+\n/gm, "\n");
}
file.write(template({
name: config.name,
autocommands: wrap("syn keyword " + config.name + "AutoEvent ",
keys(config.autocommands)),
commands: wrap("syn keyword " + config.name + "Command ",
array(c.specs for (c in commands)).flatten()),
options: wrap("syn keyword " + config.name + "Option ",
array(o.names for (o in options) if (o.type != "boolean")).flatten()),
toggleoptions: wrap("let s:toggleOptions = [",
array(o.realNames for (o in options) if (o.type == "boolean"))
.flatten().map(String.quote),
", ") + "]"
}));
}, {
argCount: "?",
bang: true,
completer: function (context) completion.file(context, true),
literal: 1
});
commands.add(["runt[ime]"],
"Source the specified file from each directory in 'runtimepath'",
function (args) { io.sourceFromRuntimePath(args, args.bang); },
{
argCount: "+",
bang: true,
completer: function (context) completion.runtime(context)
}
);
commands.add(["scrip[tnames]"],
"List all sourced script names",
function () {
commandline.commandOutput(
template.tabular(["<SNR>", "Filename"], ["text-align: right; padding-right: 1em;"],
([i + 1, file] for ([i, file] in Iterator(io._scriptNames))))); // TODO: add colon and remove column titles for pedantic Vim compatibility?
},
{ argCount: "0" });
commands.add(["so[urce]"],
"Read Ex commands from a file",
function (args) {
if (args.length > 1)
dactyl.echoerr("E172: Only one file name allowed");
else
io.source(args[0], args.bang);
}, {
argCount: "+", // FIXME: should be "1" but kludged for proper error message
bang: true,
completer: function (context) completion.file(context, true)
});
commands.add(["!", "run"],
"Run a command",
function (args) {
let arg = args[0] || "";
// :!! needs to be treated specially as the command parser sets the
// bang flag but removes the ! from arg
if (args.bang)
arg = "!" + arg;
// 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
// This is an asinine and irritating feature when we have searchable
// command-line history. --Kris
if (options["banghist"]) {
// replaceable bang and no previous command?
dactyl.assert(!/((^|[^\\])(\\\\)*)!/.test(arg) || io._lastRunCommand,
"E34: No previous command");
arg = arg.replace(/(\\)*!/g,
function (m) /^\\(\\\\)*!$/.test(m) ? m.replace("\\!", "!") : m.replace("!", io._lastRunCommand)
);
}
io._lastRunCommand = arg;
let output = io.system(arg);
commandline.command = "!" + arg;
commandline.commandOutput(<span highlight="CmdOutput">{output}</span>);
autocommands.trigger("ShellCmdPost", {});
}, {
argCount: "?", // TODO: "1" - probably not worth supporting weird Vim edge cases. The dream is dead. --djk
bang: true,
// This is abominably slow.
// completer: function (context) completion.shellCommand(context),
literal: 0
});
},
completion: function () {
completion.charset = function (context) {
context.anchored = false;
context.keys = {
text: util.identity,
description: services.charset.getCharsetTitle
};
context.generate = function () iter(services.charset.getDecoderList());
};
completion.directory = function directory(context, full) {
this.file(context, full);
context.filters.push(function (item) item.isdir);
};
completion.environment = function environment(context) {
context.title = ["Environment Variable", "Value"];
context.generate = function ()
io.system(util.OS.isWindows ? "set" : "env")
.split("\n").filter(function (line) line.indexOf("=") > 0)
.map(function (line) line.match(/([^=]+)=(.*)/).slice(1));
};
completion.file = function file(context, full, dir) {
// dir == "" is expanded inside readDirectory to the current dir
function getDir(str) str.match(/^(?:.*[\/\\])?/)[0];
dir = getDir(dir || context.filter);
let file = util.getFile(dir);
if (file && (!file.exists() || !file.isDirectory()))
file = file.parent;
if (!full)
context.advance(dir.length);
context.title = [full ? "Path" : "Filename", "Type"];
context.keys = {
text: !full ? "leafName" : function (f) this.path,
path: function (f) dir + f.leafName,
description: function (f) this.isdir ? "Directory" : "File",
isdir: function (f) f.isDirectory(),
icon: function (f) this.isdir ? "resource://gre/res/html/folder.png"
: "moz-icon://" + f.leafName
};
context.compare = function (a, b) b.isdir - a.isdir || String.localeCompare(a.text, b.text);
if (options["wildignore"]) {
let wig = options.get("wildignore");
context.filters.push(function (item) item.isdir || !wig.getKey(this.name));
}
// context.background = true;
context.key = dir;
let uri = io.isJarURL(dir);
if (uri)
context.generate = function generate_jar() {
let file = util.getFile(uri.JARFile);
if (file) {
// let jar = services.zipReader.getZip(file); Crashes.
let jar = services.ZipReader(file);
try {
let filter = RegExp("^" + util.regexp.escape(decodeURI(getDir(uri.JAREntry)))
+ "[^/]*/?$");
return [
{
isDirectory: function () s.substr(-1) == "/",
leafName: /([^\/]*)\/?$/.exec(s)[1]
}
for (s in iter(jar.findEntries("*"))) if (filter.test(s))
]
}
finally {
jar.close();
}
}
};
else
context.generate = function generate_file() {
try {
return io.File(file || dir).readDirectory();
}
catch (e) {}
return [];
};
};
completion.runtime = function (context) {
for (let [, dir] in Iterator(options["runtimepath"]))
context.fork(dir, 0, this, function (context) {
dir = dir.replace("/+$", "") + "/";
completion.file(context, true, dir + context.filter);
context.title[0] = dir;
context.keys.text = function (f) this.path.substr(dir.length);
});
};
completion.shellCommand = function shellCommand(context) {
context.title = ["Shell Command", "Path"];
context.generate = function () {
let dirNames = services.environment.get("PATH").split(util.OS.isWindows ? ";" : ":");
let commands = [];
for (let [, dirName] in Iterator(dirNames)) {
let dir = io.File(dirName);
if (dir.exists() && dir.isDirectory())
commands.push([[file.leafName, dir.path] for (file in iter(dir.directoryEntries))
if (file.isFile() && file.isExecutable())]);
}
return array.flatten(commands);
};
};
completion.addUrlCompleter("f", "Local files", function (context, full) {
let match = util.regexp(<![CDATA[
^
(
((chrome|resource):\/\/)
[^\/]*
)
(\/[^\/]*)?
$
]]>).exec(context.filter);
if (match) {
if (!match[4]) {
context.key = match[2];
context.advance(match[2].length);
context.generate = function () util.chromePackages.map(function (p) [p, match[2] + p + "/"]);
}
else if (match[3] === "chrome") {
context.key = match[1];
context.advance(match[1].length + 1);
context.generate = function () iter({
content: "Chrome content",
locale: "Locale-specific content",
skin: "Theme-specific content"
});
}
}
if (!match || match[3] === "resource" && match[4])
if (/^(\.{0,2}|~)\/|^file:/.test(context.filter) || util.getFile(context.filter) || io.isJarURL(context.filter))
completion.file(context, full);
});
},
javascript: function () {
JavaScript.setCompleter([File, File.expandPath],
[function (context, obj, args) {
context.quote[2] = "";
completion.file(context, true);
}]);
},
options: function () {
var shell, shellcmdflag;
if (util.OS.isWindows) {
shell = "cmd.exe";
shellcmdflag = "/c";
}
else {
shell = services.environment.get("SHELL") || "sh";
shellcmdflag = "-c";
}
options.add(["banghist", "bh"],
"Replace occurrences of ! with the previous command when executing external commands",
"boolean", true);
options.add(["fileencoding", "fenc"],
"The character encoding used when reading and writing files",
"string", "UTF-8", {
completer: function (context) completion.charset(context),
getter: function () File.defaultEncoding,
setter: function (value) (File.defaultEncoding = value)
});
options.add(["cdpath", "cd"],
"List of directories searched when executing :cd",
"stringlist", ["."].concat(services.environment.get("CDPATH").split(/[:;]/).filter(util.identity)).join(","),
{ setter: function (value) File.expandPathList(value) });
options.add(["runtimepath", "rtp"],
"List of directories searched for runtime files",
"stringlist", IO.runtimePath);
options.add(["shell", "sh"],
"Shell to use for executing external commands with :! and :run",
"string", shell);
options.add(["shellcmdflag", "shcf"],
"Flag passed to shell when executing external commands with :! and :run",
"string", shellcmdflag,
{
getter: function (value) {
if (this.hasChanged || !util.OS.isWindows)
return value;
return /sh/.test(options["shell"]) ? "-c" : "/c";
}
});
options.add(["wildignore", "wig"],
"List of file patterns to ignore when completing file names",
"regexplist", "");
}
});
// vim: set fdm=marker sw=4 ts=4 et: