From 9f9021e68e35824f1ccf9e976c0d2121ddcf76e2 Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Thu, 14 Oct 2010 18:31:12 -0400
Subject: Add :yank command.

---
 common/content/commandline.js | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

(limited to 'common/content/commandline.js')

diff --git a/common/content/commandline.js b/common/content/commandline.js
index 9f71909b..00532bce 100644
--- a/common/content/commandline.js
+++ b/common/content/commandline.js
@@ -538,7 +538,7 @@ const CommandLine = Module("commandline", {
      * @param {boolean} forceSingle If provided, don't let over-long
      *     messages move to the MOW.
      */
-    _echoLine: function echoLine(str, highlightGroup, forceSingle) {
+    _echoLine: function echoLine(str, highlightGroup, forceSingle, silent) {
         this.widgets.message = str ? [highlightGroup, str] : null;
 
         dactyl.triggerObserver("echoLine", str, highlightGroup, forceSingle);
@@ -549,7 +549,7 @@ const CommandLine = Module("commandline", {
         let field = this.widgets.active.message.inputField;
         if (field.value && !forceSingle && field.editor.rootElement.scrollWidth > field.scrollWidth) {
             this.widgets.message = null;
-            this._echoMultiline(<span highlight="Message">{str}</span>, highlightGroup);
+            this._echoMultiline(<span highlight="Message">{str}</span>, highlightGroup, true);
         }
     },
 
@@ -559,7 +559,7 @@ const CommandLine = Module("commandline", {
      * @param {string} str
      * @param {string} highlightGroup
      */
-    _echoMultiline: function echoMultiline(str, highlightGroup) {
+    _echoMultiline: function echoMultiline(str, highlightGroup, silent) {
         let doc = this.widgets.multilineOutput.contentDocument;
         let win = this.widgets.multilineOutput.contentWindow;
 
@@ -567,8 +567,6 @@ const CommandLine = Module("commandline", {
         if (!this.commandVisible)
             this.hide();
 
-        dactyl.triggerObserver("echoMultiline", str, highlightGroup);
-
         this._startHints = false;
         if (!(modes.extended & modes.OUTPUT_MULTILINE))
             modes.push(modes.COMMAND_LINE, modes.OUTPUT_MULTILINE, {
@@ -585,6 +583,9 @@ const CommandLine = Module("commandline", {
         this._lastMowOutput = <div class="ex-command-output" style={"white-space: " + style} highlight={highlightGroup}>{str}</div>;
         let output = util.xmlToDom(this._lastMowOutput, doc);
 
+        if (!silent)
+            dactyl.triggerObserver("echoMultiline", str, highlightGroup, output);
+
         // FIXME: need to make sure an open MOW is closed when commands
         //        that don't generate output are executed
         if (this.widgets.mowContainer.collapsed)
@@ -660,7 +661,7 @@ const CommandLine = Module("commandline", {
         else {
             if (this.widgets.message && this.widgets.message[1] == this._lastEcho)
                 this._echoMultiline(<span highlight="Message">{this._lastEcho}</span>,
-                                    this.widgets.message[0]);
+                                    this.widgets.message[0], true);
 
             if (action === this._echoLine && !(flags & this.FORCE_MULTILINE) && !this.widgets.mowContainer.collapsed) {
                 highlightGroup += " Message";
@@ -1153,6 +1154,17 @@ const CommandLine = Module("commandline", {
         }
         if (this._history)
             this._history.reset();
+    },
+
+    withOutputToString: function (fn, self) {
+        let buffer = [];
+        dactyl.registerObserver("echoLine", observe, true);
+        dactyl.registerObserver("echoMultiline", observe, true);
+        function observe(str, highlight, dom) {
+            buffer.push(dom ? dom.textContent : str)
+        }
+        dactyl.trapErrors.apply(dactyl, [fn, self].concat(Array.slice(arguments, 2)));
+        return buffer.join("\n");
     }
 }, {
     /**
-- 
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