blash/blash.json

{
	"banner" : "blash version 0.1<br/>" +
		"Copyright (C) 2010 BlackLight &lt;blacklight@autistici.org&gt;" +
		"<br/>Licence GPLv3+: GNU GPL version 3 or later " +
		"&lt;<a class=\"bannerLink\" href=\"http://gnu.org/licences/gpl.html\">" +
		"http://gnu.org/licences/gpl.html</a>&gt;<br/><br/>" +
		"This is free software; you are free to change and " +
		"redistribuite it.<br/>There is NO WARRANTY, to the " +
		"extent permitted by law.<br/>" +
		"Type '<span class=\"brief\">man blash</span>' for help on usage and available commands<br/><br/>",

	"user" : "blacklight",
	"machine" : "localhost",
	"shellName" : "blash",
	"basepath" : "/",
	"promptText" : "[#{800}%n#{888}@#{800}%m#{888} %W] $ ",
	"promptSequences" : [
		{
			"sequence" : "%n",
			"default_text" : "blacklight",
			"text" : function ()  {
				return shell.json.user;
			},
		},
		{
			"sequence" : "%m",
			"default_text" : "localhost",
			"text" : function ()  {
				return shell.json.machine;
			},
		},
		{
			"sequence" : "%W",
			"default_text" : "~",
			"text" : function ()  {
				return shell.json.basepath;
			},
		}
	],

	"directories" : [
		{
			"path" : "/",
			"type" : "directory",
		},
		{
			"path" : "/home",
			"type" : "directory",
		},
		{
			"path" : "/home/blacklight",
			"type" : "directory",
		},
		{
			"path" : "/etc",
			"type" : "directory",
		},
		{
			"path" : "/initrd",
			"type" : "file",
			"href" : "http://www.google.com",
		},
	],

	"commands" : [
		{
			"name" : "pwd",

			"info" : {
				"syntax" : "pwd",
				"brief" : "Print name of current/working directory",
			},

			"action" : function ( arg )  {
				if ( arg )
				{
					if ( arg.length > 0 )
					{
						return this.name + ": Too many arguments<br/>";
					} else {
						return shell.path + '<br/>';
					}
				} else {
					return shell.path + '<br/>';
				}
			},
		},

		{
			"name" : "clear",

			"info" : {
				"syntax" : "clear",
				"brief" : "Clear the terminal screen",
			},

			"action" : function ( arg )  {
				var out = '';

				shell.window.innerHTML =
					'<span id="promptText" class="promptText"></span>' +
					'<input type="text" class="promptInput" name="blashPrompt" autocomplete="off" onkeyup="shell.getKey ( event )"/>' +
					'<span id="blashCmdOut" class="blashCmdOut"/></span>';

				return out;
			},
		},

		{
			"name" : "man",

			"info" : {
				"syntax" : "man &lt;page&gt;",
				"brief" : "Display the manual page for the command 'page'",
			},

			"action" : function ( arg )  {
				var out = '';

				if ( arg == undefined || arg.length == 0 )
				{
					return "What manual page do you want?<br/>\n";
				}

				var cmd = shell.json.commands;

				if ( arg == 'blash' )
				{
					var commands = new Array();
					out = '<span class="brief">Type "<span class="syntax">man &lt;command&gt;</span>" for a more detailed help on these commands</span><br/><br/>';

					for ( var i=0; i < cmd.length; i++ )
					{
						commands.push ( cmd[i].info.syntax );
					}

					commands.sort();

					for ( var i in commands )
					{
						out += '<span class="syntax">' + commands[i] + '</span><br/>';
					}

					return out;
				}

				var found = false;

				for ( var i=0; i < cmd.length && !found; i++ )
				{
					if ( arg == cmd[i].name )
					{
						if ( cmd[i].info.syntax.length > 0 && cmd[i].info.brief.length > 0 )
						{
							found = true;

							out =
								'<span class="syntax">' + cmd[i].info.syntax + '</span><br/><br/>' +
								'<span class="brief">' + cmd[i].info.brief + '</span><br/>';
						}
					}
				}

				if ( !found )
				{
					return "No manual entry for " + arg + "<br/>\n";
				}

				return out;
			},
		},
		
		{
			"name" : "ls",

			"info" : {
				"syntax" : "ls [path]",
				"brief" : "List directory contents",
			},

			"action" : function ( arg )
			{
				var dirs = new Array();
				var out = '';
				var exists = false;

				if ( !arg || arg.length == 0 )
				{
					var re = new RegExp ( '^' + shell.path + '[^/]+$' );
				} else if ( arg && arg.length > 0 ) {
					var re = null;

					if ( arg.match ( /^\// ))
					{
						re = new RegExp ( '^' + arg + '/[^/]+$' );
					} else {
						re = new RegExp ( '^' + shell.path +
							(( shell.path == '/' ) ? '' : '/' ) +
							arg + '/[^/]+$' );
					}
				}

				for ( var i=0; i < shell.json.directories.length; i++ )
				{
					var dir = shell.json.directories[i];

					if ( dir.path.match ( re ))
					{
						exists = true;
						dir.path.match ( /\/([^\/]+)$/ );
						dirs.push ({
							"path" : RegExp.$1,
							"type" : dir.type,
							"href" : dir.href,
						});
					}
				}

				if ( dirs.length > 0 )
				{
					var ordered = false;

					// Directories go first
					while ( !ordered )
					{
						ordered = true;

						for ( var i=0; i < dirs.length-1; i++ )
						{
							for ( var j=i+1; j < dirs.length; j++ )
							{
								if ( dirs[i].type == 'file' && dirs[j].type == 'directory' )
								{
									var tmp = dirs[i];
									dirs[i] = dirs[j];
									dirs[j] = tmp;
									ordered = false;
								}
							}
						}
					}

					ordered = false;

					// Sort the names
					while ( !ordered )
					{
						ordered = true;

						for ( var i=0; i < dirs.length-1; i++ )
						{
							for ( var j=i+1; j < dirs.length; j++ )
							{
								if ( dirs[i].type == dirs[j].type && dirs[i].path > dirs[j].path )
								{
									var tmp = dirs[i];
									dirs[i] = dirs[j];
									dirs[j] = tmp;
									ordered = false;
								}
							}
						}
					}
					
					for ( var i in dirs )
					{
						if ( dirs[i] )
						{
							if ( dirs[i].path.length > 0 )
							{
								if ( dirs[i].type == 'directory' )
								{
									out += '<span class="directory">' + dirs[i].path + '</span>/<br/>';
								} else {
									if ( dirs[i].href && dirs[i].href.length > 0 )
									{
										out += '<a href="' + dirs[i].href + '" class="file" target="_new">' + dirs[i].path + '</a>*<br/>';
									} else {
										out += '<span class="file">' + dirs[i].path + '</span><br/>';
									}
								}
							}
						}
					}
				}

				if ( !exists )
				{
					var re = null;

					if ( arg.match ( /^\// ))
					{
						re = new RegExp ( '^' + arg );
					} else {
						re = new RegExp ( '^' + shell.path +
							(( shell.path == '/' ) ? '' : '/' ) + arg );
					}

					for ( var i=0; i < shell.json.directories.length; i++ )
					{
						var dir = shell.json.directories[i];

						if ( dir.path.match ( re ))
						{
							exists = true;
							break;
						}
					}

					if ( !exists )
					{
						out = this.name + ": cannot access " + arg +
							": No such file or directory<br/>";
					} else {
						out = '';
					}
				}

				return out;
			}
		}
	],
}