ex parser for use with .vimperatorrc, the command line and other sourced files. sourced files are no longer javascript code, but can use the new :javascript ex command to execute javascript. :javascript also supports multiline with heredocs (:js <<EOF). File completion for the :source command.

2025-12-21 18:27:57 +01:00 · 2007-04-22 14:17:28 +00:00
parent 6322db0107
commit 3ddfb11add
6 changed files with 179 additions and 54 deletions
--- a/chrome/content/vimperator/commands.js
+++ b/chrome/content/vimperator/commands.js
@@ -131,16 +131,11 @@ var g_commands = [/*{{{*/
    ],
    [
        ["execute", "exe"],
-        "Run any javascript command through eval()",
-        "Acts as a javascript interpreter by passing the argument to <code>eval()</code>.<br>"+
-        "<code>:exec alert('Hello world')</code> would show a dialog box with the text \"Hello world\".<br>"+
-        "The special version <code>:execute!</code> will open the javascript console of Firefox.",
-        function(args, special) {
-            if (special) // open javascript console
-                openURLsInNewTab("chrome://global/content/console.xul", true);
-            else
-                eval(args);
-        },
+        "Executes a string as an Ex command",
+        "Usage: <code>:execute {expr1} [ ... ]</code><br>" +
+        "Executes the string that results from the evaluation of {expr1} as an Ex command.<br>"+
+        "<code>:execute &#34;echo test&#34;</code> would show a message with the text &#34;test&#34;.<br>",
+        execute,
        null
    ],
    [
@@ -174,6 +169,21 @@ var g_commands = [/*{{{*/
        hsshow,
        function(filter) { return get_history_completions(filter); }
    ],
+    [
+        ["javascript", "js"],
+        "Run any javascript command through eval()",
+        "Acts as a javascript interpreter by passing the argument to <code>eval()</code>.<br>" +
+        "<code>:javascript alert('Hello world')</code> would show a dialog box with the text \"Hello world\".<br>" +
+        "<code>:javascript &lt;&lt;EOF</code> would read all the lines until a line starting with 'EOF' is found, and will <code>eval()</code> them.<br>" +
+        "The special version <code>:javascript!</code> will open the javascript console of Firefox.",
+        function(args, special) {
+            if (special) // open javascript console
+                openURLsInNewTab("chrome://global/content/console.xul", true);
+            else
+                eval(args);
+        },
+        null
+    ],
    [
        ["mark"],
        "Mark current location within the webpage",
@@ -286,7 +296,7 @@ var g_commands = [/*{{{*/
        "The .vimperatorrc file in your home directory is always sourced at start up.<br>"+
        "~ is supported as a shortcut for the $HOME directory.",
        source,
-        null
+        function (filter) { return get_file_completions(filter); }
    ],
    [
        ["tabnext", "tn", "tnext"],
@@ -910,6 +920,7 @@ function get_command(cmd) // {{{

 function execute_command(count, cmd, special, args) // {{{
 {
+    if (!cmd) return;
    var command = get_command(cmd);
    if (command == null)
    {
@@ -929,6 +940,86 @@ function execute_command(count, cmd, special, args) // {{{

 } // }}}

+function tokenize_ex(string, tag)
+{
+    // removing commends
+    string.replace(/\s*".*$/, '');
+    if (tag)
+    {
+        if (string == tag)
+            return [null, null, null, null, false];
+        else
+            return [null, null, null, string, tag];
+    }
+
+    // 0 - count, 1 - cmd, 2 - special, 3 - args, 4 - heredoc tag
+    var matches = string.match(/^:*(\d+)?([a-zA-Z]+)(!)?(?:\s+(.*?))?$/);
+    if (!matches) return [null, null, null, null, null];
+    matches.shift();
+
+    if (matches[0])
+    {
+        matches[0] = parseInt(matches[0]);
+        if (isNaN(matches[0])) matches[0] = 0;
+    }
+    else matches[0] = 0;
+    matches[2] = !!matches[2];
+    matches.push(null);
+    if (matches[3])
+    {
+        tag = matches[3].match(/<<\s*(\w+)/);
+        if (tag && tag[1])
+            matches[4] = tag[1];
+    }
+    else matches[3] = '';
+
+    return matches;
+}
+
+function multiliner(line, prev_match, heredoc)
+{
+    var end = true;
+    var match = tokenize_ex(line, prev_match[4]);
+    if (prev_match[3] === undefined) prev_match[3] = '';
+    if (match[4] === null)
+    {
+        focusContent(false, true); // also sets comp_tab_index to -1
+        execute_command.apply(this, match);
+    }
+    else
+    {
+        if (match[4] === false)
+        {
+            prev_match[3] = prev_match[3].replace(new RegExp('<<\s*' + prev_match[4]), heredoc.replace(/\n$/, ''));
+            execute_command.apply(this, prev_match);
+            prev_match = new Array(5);
+            prev_match[3] = '';
+            heredoc = '';
+        }
+        else
+        {
+            end = false;
+            if (!prev_match[3])
+            {
+                prev_match[0] = match[0];
+                prev_match[1] = match[1];
+                prev_match[2] = match[2];
+                prev_match[3] = match[3];
+                prev_match[4] = match[4];
+            }
+            else
+            {
+                heredoc += match[3] + '\n';
+            }
+        }
+    }
+    return [prev_match, heredoc, end];
+}
+
+function execute(string)
+{
+    return execute_command.apply(this, tokenize_ex(string.replace(/^'(.*)'$/, '$1')));
+}
 ////////////////////////////////////////////////////////////////////////
 // statusbar/commandbar handling ////////////////////////////////// {{{1
 ////////////////////////////////////////////////////////////////////////
@@ -1628,7 +1719,12 @@ function source(filename, silent)
        var s = fd.read();
        fd.close();

-        eval(s);
+        var prev_match = new Array(5);
+        var heredoc = '';
+        var end = false;
+        s.split('\n').forEach(function (line) {
+            [prev_match, heredoc, end] = multiliner(line, prev_match, heredoc);
+        });
    }
    catch(e)
    {
@@ -1637,7 +1733,6 @@ function source(filename, silent)
    }
 }

-
 function help(section, easter)
 {
    if (easter)
--- a/chrome/content/vimperator/completion.js
+++ b/chrome/content/vimperator/completion.js
@@ -180,6 +180,27 @@ function completion_select_previous_item()/*{{{*/
 }/*}}}*/


+function get_file_completions(filter)/*{{{*/
+{
+    g_completions = [];
+
+    var match = filter.match(/^(.*[\/\\])(.*?)$/);
+    var dir;
+    if (!match || !(dir = match[1])) return [];
+    var compl = match[2] || '';
+    var fd = fopen(dir, "<");
+    if (!fd) return [];
+    var entries = fd.read();
+    var delim = (fd.path.search(/\\/) != -1) ? "\\" : "/";
+    var reg = new RegExp("^" + fd.path + delim + compl);
+    entries.forEach(function(file) {
+        if (file.path.search(reg) != -1)
+            g_completions.push([file.path]);
+    });
+
+    return g_completions;
+}/*}}}*/
+

 /* 
 * filter a list of urls
--- a/chrome/content/vimperator/file.js
+++ b/chrome/content/vimperator/file.js
@@ -129,6 +129,19 @@ function fo_write(buf)
 LocalFile.prototype.read =
 function fo_read(max)
 {
+    if (this.localFile.isDirectory())
+    {
+        var entries = this.localFile.directoryEntries;
+        var array = [];
+        while(entries.hasMoreElements())
+        {
+            var entry = entries.getNext();
+            entry.QueryInterface(Components.interfaces.nsIFile);
+            array.push(entry);
+        }
+        return array;
+    }
+
    if (!("inputStream" in this))
        throw "file not open for reading.";

--- a/chrome/content/vimperator/settings.js
+++ b/chrome/content/vimperator/settings.js
@@ -63,17 +63,6 @@ var g_settings = [/*{{{*/
        null,
        null
    ],
-    [
-        ["completeopt", "cot"],
-        "Define how command line completion works",
-        "Not implemented yet.",
-        function(value) { set_pref("completeopt", value); },
-        function() { return get_pref("completeopt"); },
-        "stringlist",
-        "menu",
-        null,
-        null
-    ],
    [
        ["extendedhinttags", "eht"],
        "XPath string of hintable elements activated by ';'",
@@ -221,6 +210,17 @@ var g_settings = [/*{{{*/
        false,
        null,
        null
+    ],
+    [
+        ["wildmode", "wim"],
+        "Define how command line completion works",
+        "Not implemented yet.",
+        function(value) { set_pref("wildmode", value); },
+        function() { return get_pref("wildmode"); },
+        "stringlist",
+        "menu",
+        null,
+        null
    ]
 ]/*}}}*/

--- a/chrome/content/vimperator/vimperator.js
+++ b/chrome/content/vimperator/vimperator.js
@@ -45,6 +45,10 @@ var g_inputbuffer = "";  // here we store partial commands (e.g. 'g' if you want
 var g_count = -1;        // the parsed integer of g_inputbuffer, or -1 if no count was given
 var g_bufshow = false;   // keeps track if the preview window shows current buffers ('B')

+// handles multi-line commands
+var prev_match = new Array(5);
+var heredoc = '';
+
 // handles to our gui elements
 var preview_window = null;
 var status_line = null;
@@ -83,7 +87,7 @@ nsBrowserStatusHandler.prototype =

    setOverLink : function(link, b)
    {
-        echo(link);
+        updateStatusbar(link);
            
        if (link == "")
            showMode();
@@ -518,45 +522,24 @@ function onVimperatorKeypress(event)/*{{{*/
    updateStatusbar();
    return false;
 }/*}}}*/
+
 function onCommandBarKeypress(evt)/*{{{*/
 {
+    var end = false;
    try
    {
        /* parse our command string into tokens */
        var command = command_line.value;

-        var matches1 = command.match(/^:(\d+)/);
-        var matches2 = command.match(/^:(\d+)?([a-zA-Z!]+)/);
-        var matches3 = command.match(/^:(\d+)?([a-zA-Z!]+)\s*(.*?)\s*$/);
-        var count = 0;
-        var cmd = "";
-        var args= "";
-        var special = false;
-
-        if (matches1 != null && matches1.length == 2)
-            count = parseInt(matches1[1], 10);
-        if (matches2 != null && matches2.length >= 3)
-            cmd = matches2[2];
-        if (matches3 != null && matches3.length >= 4)
-            args = matches3[3];
-
-        /* if the user executes a command with ! at the end */
-        if (cmd.length - 1 == cmd.lastIndexOf("!"))
-        {
-            special = true;
-            cmd = cmd.replace(/!$/, "");
-        }
-        else
-            special = false;
-
        /* user pressed ENTER to carry out a command */
        if (evt.keyCode == KeyEvent.DOM_VK_RETURN)
        {
            // unfocus command line first
-            focusContent(false, true); // also sets comp_tab_index to -1
            add_to_command_history(command);

-            execute_command(count, cmd, special, args);
+            [prev_match, heredoc, end] = multiliner(command, prev_match, heredoc);
+            if (!end)
+                command_line.value = "";
        }

        else if ((evt.keyCode == KeyEvent.DOM_VK_ESCAPE) ||
@@ -606,6 +589,8 @@ function onCommandBarKeypress(evt)/*{{{*/
        /* user pressed TAB to get completions of a command */
        else if (evt.keyCode == KeyEvent.DOM_VK_TAB)
        {
+            var match = tokenize_ex(command);
+            var [count, cmd, special, args] = match;
            //always reset our completion history so up/down keys will start with new values
            comp_history_index = -1;

@@ -714,6 +699,17 @@ function onCommandBarInput(event)
        command_line.value = ":";
 }

+function onCommandBarMouseDown(event)
+{
+    if (command_line.value.indexOf(':') != 0)
+    {
+        command_line.blur();
+        event.preventDefault();
+        event.stopPropagation();
+        return false;
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////
 // focus and mode handling //////////////////////////////////////// {{{1
 ////////////////////////////////////////////////////////////////////////
@@ -802,12 +798,12 @@ function setStatusbarColor(color)
    bar.setAttribute("style", "background-color: " + color);
 }

-function updateStatusbar()
+function updateStatusbar(message)
 {
    var buffers =   "[" + (gBrowser.tabContainer.selectedIndex + 1).toString() + "/" +
        gBrowser.tabContainer.childNodes.length.toString() + "]";

-    showStatusbarMessage(getCurrentLocation(), STATUSFIELD_URL);
+    showStatusbarMessage(message || getCurrentLocation(), STATUSFIELD_URL);
    showStatusbarMessage(" " + g_inputbuffer + " ", STATUSFIELD_INPUTBUFFER);
    showStatusbarMessage("", STATUSFIELD_PROGRESS);
    showStatusbarMessage(buffers, STATUSFIELD_BUFFERS);
--- a/chrome/content/vimperator/vimperator.xul
+++ b/chrome/content/vimperator/vimperator.xul
@@ -79,7 +79,7 @@ the terms of any one of the MPL, the GPL or the LGPL.

 				<textbox class="plain" id="vim-commandbar" flex="1" hidden="false" type="timed" timeout="100"
 					onkeypress="onCommandBarKeypress(event);" oninput="onCommandBarInput(event);"
-					 style="font-family: monospace"/>
+					onmousedown="onCommandBarMouseDown(event);" style="font-family: monospace"/>
 			</vbox>
 		</toolbar>