From deb5a01693036bbdaf2e112fbaf44e5973ea5da9 Mon Sep 17 00:00:00 2001
From: c-spencer <cs560@cam.ac.uk>
Date: Sun, 22 May 2011 13:27:36 +0100
Subject: [PATCH] Improved Cstyle behaviour

---
 lib/ace/mode/behaviour/cstyle.js | 60 ++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 11 deletions(-)

diff --git a/lib/ace/mode/behaviour/cstyle.js b/lib/ace/mode/behaviour/cstyle.js
index dd432ea6..801f81da 100644
--- a/lib/ace/mode/behaviour/cstyle.js
+++ b/lib/ace/mode/behaviour/cstyle.js
@@ -58,14 +58,17 @@ var CstyleBehaviour = function () {
                     selection: [1, 1]
                 }
             }
-        } else if (text == '}') { // This should do some matching checks
+        } else if (text == '}') {
             var cursor = editor.getCursorPosition();
             var line = session.doc.getLine(cursor.row);
             var rightChar = line.substring(cursor.column, cursor.column + 1);
             if (rightChar == '}') {
-                return {
-                    text: '',
-                    selection: [1, 1]
+                var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
+                if (matching !== null) {
+                    return {
+                        text: '',
+                        selection: [1, 1]
+                    }
                 }
             }
         } else if (text == "\n") {
@@ -113,14 +116,17 @@ var CstyleBehaviour = function () {
                     selection: [1, 1]
                 }
             }
-        } else if (text == ')') { // This should do some matching checks
+        } else if (text == ')') {
             var cursor = editor.getCursorPosition();
             var line = session.doc.getLine(cursor.row);
             var rightChar = line.substring(cursor.column, cursor.column + 1);
             if (rightChar == ')') {
-                return {
-                    text: '',
-                    selection: [1, 1]
+                var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
+                if (matching !== null) {
+                    return {
+                        text: '',
+                        selection: [1, 1]
+                    }
                 }
             }
         }
@@ -148,9 +154,41 @@ var CstyleBehaviour = function () {
                     selection: false
                 }
             } else {
-                return {
-                    text: '""',
-                    selection: [1,1]
+                var cursor = editor.getCursorPosition();
+                var line = session.doc.getLine(cursor.row);
+                var leftChar = line.substring(cursor.column-1, cursor.column);
+                
+                // We're escaped.
+                if (leftChar == '\\') {
+                    return false;
+                }
+                
+                // Find what token we're inside.
+                var tokens = session.getTokens(selection.start.row, selection.start.row)[0].tokens;
+                var col = 0, token;
+                for (var x in tokens) {
+                    token = tokens[x].type;
+                    if ((tokens[x].value.length + col) > selection.start.column) {
+                        break;
+                    }
+                    col += tokens[x].value.length;
+                }
+                
+                // Try and be smart about when we auto insert.
+                if (token === "text" || !token || (token !== "comment" && selection.end.column === line.length)) {
+                    return {
+                        text: '""',
+                        selection: [1,1]
+                    }
+                } else if (token === "string") {
+                    // Ignore input and move right one if we're typing over the closing quote.
+                    var rightChar = line.substring(cursor.column, cursor.column + 1);
+                    if (rightChar == '"') {
+                        return {
+                            text: '',
+                            selection: [1, 1]
+                        }
+                    }
                 }
             }
         }