From 689bed38ffabf99463df94b450db2adb560dcf79 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Fri, 8 Jun 2012 00:35:29 +0400
Subject: [PATCH] improve jumptomatching

---
 lib/ace/commands/default_commands.js  |  7 ++-
 lib/ace/edit_session/bracket_match.js | 11 ++++-
 lib/ace/editor.js                     | 69 ++++++++++++++++-----------
 3 files changed, 56 insertions(+), 31 deletions(-)

diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index 17304557884..a64b61cf16d 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -295,10 +295,15 @@ exports.commands = [{
     readOnly: true
 }, {
     name: "jumptomatching",
-    bindKey: bindKey("Ctrl-Shift-P", "Ctrl-Shift-P"),
+    bindKey: bindKey("Ctrl-P", "Ctrl-P"),
     exec: function(editor) { editor.jumpToMatching(); },
     multiSelectAction: "forEach",
     readOnly: true
+}, {
+    name: "selecttomatching",
+    bindKey: bindKey("Ctrl-Shift-P", "Ctrl-Shift-P"),
+    exec: function(editor) { editor.jumpToMatching(true); },
+    readOnly: true
 }, 
 
 // commands disabled in readOnly mode
diff --git a/lib/ace/edit_session/bracket_match.js b/lib/ace/edit_session/bracket_match.js
index 0e646c9f3b7..83c8f57246e 100644
--- a/lib/ace/edit_session/bracket_match.js
+++ b/lib/ace/edit_session/bracket_match.js
@@ -94,7 +94,7 @@ function BracketMatch() {
         var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
         if (!match) {
             chr = line.charAt(pos.column);
-            pos.column++
+            pos.column++;
             match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
             before = false;
         }
@@ -106,8 +106,11 @@ function BracketMatch() {
             if (!bracketPos)
                 return null;
             range = Range.fromPoints(pos, bracketPos);
-            if (!before)
+            if (!before) {
                 range.end.column++;
+                range.start.column--;
+            }
+            range.cursor = range.end;
         } else {
             var bracketPos = this.$findOpeningBracket(match[2], pos);
             if (!bracketPos)
@@ -117,8 +120,12 @@ function BracketMatch() {
                 range.start.column++;
                 range.end.column--;
             }
+            range.cursor = range.start;
         }
         
+        if (!before)
+            pos.column--;
+        
         return range;
     };
 
diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 1a8873dc22a..1efac5fcf8a 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -1350,22 +1350,22 @@ var Editor = function(renderer, session) {
 
     this.duplicateSelection = function() {
         var sel = this.selection;
-        var doc = this.session;
-        var range = sel.getRange();
-        if (range.isEmpty()) {
-            var row = range.start.row;
-            doc.duplicateLines(row, row);
-        } else {
-            var reverse = sel.isBackwards()
-            var point = sel.isBackwards() ? range.start : range.end;
-            var endPoint = doc.insert(point, doc.getTextRange(range), false);
-            range.start = point;
-            range.end = endPoint;
-
-            sel.setSelectionRange(range, reverse)
-        }
-    };
-
+		var doc = this.session;
+		var range = sel.getRange();
+		if (range.isEmpty()) {
+			var row = range.start.row;
+			doc.duplicateLines(row, row);
+		} else {
+			var reverse = sel.isBackwards()
+			var point = sel.isBackwards() ? range.start : range.end;
+			var endPoint = doc.insert(point, doc.getTextRange(range), false);
+			range.start = point;
+			range.end = endPoint;
+			
+			sel.setSelectionRange(range, reverse)
+		}
+    };
+    
     /** related to: EditSession.moveLinesDown
      * Editor.moveLinesDown() -> Number
      * + (Number): On success, it returns -1.
@@ -1767,21 +1767,34 @@ var Editor = function(renderer, session) {
      * Moves the cursor's row and column to the next matching bracket.
      *
      **/
-    this.jumpToMatching = function() {
+    this.jumpToMatching = function(select) {
         var cursor = this.getCursorPosition();
-        var pos = this.session.findMatchingBracket(cursor);
-        if (!pos) {
-            cursor.column += 1;
-            pos = this.session.findMatchingBracket(cursor);
-        }
-        if (!pos) {
-            cursor.column -= 2;
-            pos = this.session.findMatchingBracket(cursor);
-        }
 
+        var range = this.session.getBracketRange(cursor);
+        if (!range) {
+            range = editor.find({
+                needle: /[{}()\[\]]/g,
+                preventScroll:true,
+                start: {row: cursor.row, column: cursor.column - 1}
+            });
+            if (!range)
+                return;
+            var pos = range.start;
+            if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
+                range = this.session.getBracketRange(pos);
+        }
+        
+        pos = range && range.cursor || pos;
         if (pos) {
-            this.clearSelection();
-            this.moveCursorTo(pos.row, pos.column);
+            if (select) {
+                if (range && range.isEqual(editor.getSelectionRange()))
+                    this.clearSelection();
+                else
+                    this.selection.selectTo(pos.row, pos.column);            
+            } else {
+                this.clearSelection();
+                this.moveCursorTo(pos.row, pos.column);
+            }
         }
     };