IEnumerable <AXmlObject> Split(AXmlElement elem) { int myIndention = GetIndentLevel(elem); // Has start tag and no end tag ? (other then empty-element tag) if (elem.HasStartOrEmptyTag && elem.StartTag.IsStartTag && !elem.HasEndTag && myIndention != -1) { int lastAccepted = 0; // Accept start tag while (lastAccepted + 1 < elem.Children.Count) { AXmlObject nextItem = elem.Children[lastAccepted + 1]; if (nextItem is AXmlText) { lastAccepted++; continue; // Accept } else { // Include all more indented items if (GetIndentLevel(nextItem) > myIndention) { lastAccepted++; continue; // Accept } else { break; // Reject } } } // Accepted everything? if (lastAccepted + 1 == elem.Children.Count) { yield return(elem); yield break; } AXmlParser.Log("Splitting {0} - take {1} of {2} nested", elem, lastAccepted, elem.Children.Count - 1); AXmlElement topHalf = new AXmlElement(); topHalf.HasStartOrEmptyTag = elem.HasStartOrEmptyTag; topHalf.HasEndTag = elem.HasEndTag; topHalf.AddChildren(elem.Children.Take(1 + lastAccepted)); // Start tag + nested topHalf.StartOffset = topHalf.FirstChild.StartOffset; topHalf.EndOffset = topHalf.LastChild.EndOffset; TagReader.OnSyntaxError(topHalf, topHalf.LastChild.EndOffset, topHalf.LastChild.EndOffset, "Expected '</{0}>'", topHalf.StartTag.Name); AXmlParser.Log("Constructed {0}", topHalf); trackedSegments.AddParsedObject(topHalf, null); yield return(topHalf); for (int i = lastAccepted + 1; i < elem.Children.Count; i++) { yield return(elem.Children[i]); } } else { yield return(elem); } }
AXmlElement ReadElement(IEnumerator <AXmlObject> objStream) { AXmlElement element = new AXmlElement(); element.IsProperlyNested = true; // Read start tag AXmlTag startTag = ReadSingleObject(objStream) as AXmlTag; AXmlParser.DebugAssert(startTag != null, "Start tag expected"); AXmlParser.DebugAssert(startTag.IsStartOrEmptyTag || startTag == StartTagPlaceholder, "Start tag expected"); if (startTag == StartTagPlaceholder) { element.HasStartOrEmptyTag = false; element.IsProperlyNested = false; TagReader.OnSyntaxError(element, objStream.Current.StartOffset, objStream.Current.EndOffset, "Matching openning tag was not found"); } else { element.HasStartOrEmptyTag = true; element.AddChild(startTag); } // Read content and end tag if (startTag == StartTagPlaceholder || // Check first in case the start tag is null element.StartTag.IsStartTag) { while (true) { AXmlTag currTag = objStream.Current as AXmlTag; // Peek if (currTag == EndTagPlaceholder) { TagReader.OnSyntaxError(element, element.LastChild.EndOffset, element.LastChild.EndOffset, "Expected '</{0}>'", element.StartTag.Name); ReadSingleObject(objStream); element.HasEndTag = false; element.IsProperlyNested = false; break; } else if (currTag != null && currTag.IsEndTag) { if (element.HasStartOrEmptyTag && currTag.Name != element.StartTag.Name) { TagReader.OnSyntaxError(element, currTag.StartOffset + 2, currTag.StartOffset + 2 + currTag.Name.Length, "Expected '{0}'. End tag must have same name as start tag.", element.StartTag.Name); } element.AddChild(ReadSingleObject(objStream)); element.HasEndTag = true; break; } AXmlObject nested = ReadTextOrElement(objStream); if (nested is AXmlElement) { if (!((AXmlElement)nested).IsProperlyNested) { element.IsProperlyNested = false; } element.AddChildren(Split((AXmlElement)nested).ToList()); } else { element.AddChild(nested); } } } else { element.HasEndTag = false; } element.StartOffset = element.FirstChild.StartOffset; element.EndOffset = element.LastChild.EndOffset; AXmlParser.Assert(element.HasStartOrEmptyTag || element.HasEndTag, "Must have at least start or end tag"); AXmlParser.Log("Constructed {0}", element); trackedSegments.AddParsedObject(element, null); // Need all elements in cache for offset tracking return(element); }