From 1cbef89f1995ae8bb83d01a58d20b005ad8b3a8f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Fri, 24 Jan 2014 16:44:13 +0100
Subject: [PATCH] smartxml - fixes in deleting arbitrary text method

Handling case where start and end text node merged.
---
 src/smartxml/core.js          | 13 +++++++++++--
 src/smartxml/smartxml.test.js | 16 ++++++++++++++++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/smartxml/core.js b/src/smartxml/core.js
index 44be8d6..f940ccc 100644
--- a/src/smartxml/core.js
+++ b/src/smartxml/core.js
@@ -442,9 +442,14 @@ var documentTransformations = {
             return;
         }
 
+        // Both edge text nodes need to be edited before anything else happen in case that
+        // they get merged when detaching content between them.
+        params.from.node.setText(params.from.node.getText().substr(0, params.from.offset));
+        params.to.node.setText(params.to.node.getText().substr(params.to.offset));
+
         ptr = params.from.node;
-        ptr.setText(ptr.getText().substr(0, params.from.offset));
         next = ptr.next();
+
         while(next || ptr.parent()) {
             if(next) {
                 if(next.sameNode(params.to.node) || (next.nodeType === Node.ELEMENT_NODE && next.containsNode(params.to.node))) {
@@ -462,7 +467,11 @@ var documentTransformations = {
         }
 
         ptr = params.to.node;
-        ptr.setText(ptr.getText().substr(params.to.offset));
+
+        if(!this.containsNode(ptr)) {
+            // The end node was merged during detaching nodes above - there is nothing more left to do.
+            return;
+        }
         prev = ptr.prev();
         while(prev || ptr.parent()) {
             if(ptr.sameNode(middle)) {
diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js
index 140174e..8ae7721 100644
--- a/src/smartxml/smartxml.test.js
+++ b/src/smartxml/smartxml.test.js
@@ -738,6 +738,22 @@ describe('smartxml', function() {
             expect(bContents[0].contents().length).to.equal(1);
             expect(bContents[0].contents()[0].getText()).to.equal('cc');
         });
+        it('remove across elements - 3 (merged text nodes)', function() {
+            var doc = getDocumentFromXML('<div>Alice <span>has</span> a cat</div>');
+            doc.deleteText({
+                from: {
+                    node: getTextNode('Alice ', doc),
+                    offset: 1
+                },
+                to: {
+                    node: getTextNode(' a cat', doc),
+                    offset: 3
+                }
+            });
+            var contents = doc.root.contents();
+            expect(contents.length).to.equal(1);
+            expect(contents[0].getText()).to.equal('Acat');
+        });
         it('removes nodes in between', function() {
             var doc = getDocumentFromXML('<div><a>aaa<x>!</x></a>xxx<x></x><b><x>!</x>bbb</b></div>');
             doc.deleteText({
-- 
2.20.1