wip: wlxml formatting support - first test passing

[fnpeditor.git] / src / wlxml / wlxml.js

diff --git a/src/wlxml/wlxml.js b/src/wlxml/wlxml.js
index 7dfbd99..51655d4 100644 (file)
--- a/src/wlxml/wlxml.js
+++ b/src/wlxml/wlxml.js
@@ -41,16 +41,149 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
             }
         });
         return toret;
+    },
+
+    _getXMLDOMToDump: function() {
+        var DOM = this._$.clone(true, true);
+
+        DOM.find('*').addBack().each(function() {
+            var el = $(this),
+                parent = el.parent(),
+                contents = parent.contents(),
+                idx = contents.index(el),
+                data = el.data();
+
+
+            var txt;
+
+            if(data[formatter_prefix+ 'orig_before']) {
+                txt = idx > 0 && contents[idx-1].nodeType === Node.TEXT_NODE ? contents[idx-1] : null;
+                if(txt && txt.data === data[formatter_prefix + 'orig_before_transformed']) {
+                    txt.data = data[formatter_prefix+ 'orig_before_original'];
+                } else {
+                    el.before(data[formatter_prefix+ 'orig_before']);
+                }
+            }
+            if(data[formatter_prefix+ 'orig_after']) {
+                txt = idx < contents.length-1 && contents[idx+1].nodeType === Node.TEXT_NODE ? contents[idx+1] : null;
+                if(txt && txt.data === data[formatter_prefix + 'orig_after_transformed']) {
+                    txt.data = data[formatter_prefix+ 'orig_after_original'];
+                } else {
+                    el.after(data[formatter_prefix+ 'orig_after']);
+                }
+            }
+            if(data[formatter_prefix+ 'orig_begin']) {
+                el.prepend(data[formatter_prefix+ 'orig_begin']);
+            }
+            if(data[formatter_prefix+ 'orig_end']) {
+                contents = el.contents();
+                txt = (contents.length && contents[contents.length-1].nodeType === Node.TEXT_NODE) ? contents[contents.length-1] : null;
+                if(txt && txt.data === data[formatter_prefix + 'orig_end_transformed']) {
+                    txt.data = data[formatter_prefix+ 'orig_end_original'];
+                } else {
+                    el.append(data[formatter_prefix+ 'orig_end']);
+                }
+            }
+        });
+
+        return DOM;
     }
 });
 
 
+
+
+
 var WLXMLDocument = function(xml) {
     smartxml.Document.call(this, xml);
+
+    $(this.dom).find(':not(iframe)').addBack().contents()
+    .filter(function() {return this.nodeType === Node.TEXT_NODE;})
+    .each(function() {
+        var el = $(this),
+            text = {original: el.text(), trimmed: $.trim(el.text())},
+            elParent = el.parent(),
+            hasSpanParent = elParent.prop('tagName') === 'SPAN',
+            hasSpanBefore = el.prev().length && $(el.prev()).prop('tagName') === 'SPAN',
+            hasSpanAfter = el.next().length && $(el.next()).prop('tagName') === 'SPAN';
+
+
+        var addInfo = function(toAdd, where, transformed, original) {
+            var parentContents = elParent.contents(),
+                idx = parentContents.index(el[0]),
+                prev = idx > 0 ? parentContents[idx-1] : null,
+                next = idx < parentContents.length - 1 ? parentContents[idx+1] : null,
+                target, key;
+
+            if(where === 'above') {
+                target = prev ? $(prev) : elParent;
+                key = prev ? 'orig_after' : 'orig_begin';
+            } else if(where === 'below') {
+                target = next ? $(next) : elParent;
+                key = next ? 'orig_before' : 'orig_end';
+            } else { throw new Object;}
+
+            target.data(formatter_prefix + key, toAdd);
+            if(transformed !== undefined) {
+                target.data(formatter_prefix + key + '_transformed', transformed);
+            }
+            if(original !== undefined) {
+                target.data(formatter_prefix + key + '_original', original);   
+            }
+        }
+
+        text.transformed = text.trimmed;
+
+        if(hasSpanParent || hasSpanBefore || hasSpanAfter) {
+            var startSpace = /\s/g.test(text.original.substr(0,1)),
+                endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1;
+            text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '');
+            text.transformed += text.trimmed;
+            text.transformed += (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : '');
+        } else {
+            if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) {
+                text.transformed = ' ';
+            }
+        }
+
+        if(!text.transformed) {
+            addInfo(text.original, 'below');
+            el.remove();
+            return true; // continue
+        }
+
+        if(text.transformed !== text.original) {
+            // if(!text.trimmed) {
+            //     addInfo(text.original, 'below');
+            // } else {
+                var startingMatch = text.original.match(/^\s+/g),
+                    endingMatch = text.original.match(/\s+$/g),
+                    startingWhiteSpace = startingMatch ? startingMatch[0] : null,
+                    endingWhiteSpace = endingMatch ? endingMatch[0] : null;
+
+                if(endingWhiteSpace) {
+                    if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ')
+                        endingWhiteSpace = endingWhiteSpace.substr(1);
+                    addInfo(endingWhiteSpace, 'below', !text.trimmed ? text.transformed : undefined, !text.trimmed ? text.original : undefined);
+                }
+
+                if(startingWhiteSpace && text.trimmed) {
+                    if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ')
+                        startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1);
+                    addInfo(startingWhiteSpace, 'above', !text.trimmed ? text.transformed : undefined, !text.trimmed ? text.original : undefined);
+                }
+            //}
+        }
+
+        el.replaceWith(document.createTextNode(text.transformed));
+    });
 };
+
+var formatter_prefix = '_wlxml_formatter_';
+
 WLXMLDocument.prototype = Object.create(smartxml.Document.prototype);
 $.extend(WLXMLDocument.prototype, {
-    ElementNodeFactory: WLXMLElementNode
+    ElementNodeFactory: WLXMLElementNode,
 });