/// <summary>
/// Internal method for recursive toc merging
/// </summary>
/// <param name="globalLevel">level of global toc</param>
/// <param name="localLevel">level of local toc</param>
/// <param name="openFiles">An arraylist of CHMFile instances.</param>
private void MergeToC(ArrayList globalLevel, ArrayList localLevel, ArrayList openFiles)
{
foreach (TOCItem curItem in localLevel)
{
// if it is a part of the merged-links, we have to do nothing,
// because the method HtmlHelpSystem.RecalculateMergeLinks() has already
// placed this item at its correct position.
if (!IsMergedItem(curItem.Name, curItem.Local, openFiles))
{
TOCItem globalItem = ContainsToC(globalLevel, curItem.Name);
if (globalItem == null)
{
// the global toc doesn't have a topic with this name
// so we need to add the complete toc node to the global toc
globalLevel.Add(curItem);
}
else
{
// the global toc contains the current topic
// advance to the next level
if ((globalItem.Local.Length <= 0) && (curItem.Local.Length > 0))
{
// set the associated url
globalItem.Local = curItem.Local;
globalItem.ChmFile = curItem.ChmFile;
}
MergeToC(globalItem.Children, curItem.Children);
}
}
}
}
/// <summary>
/// Dump the class data to a binary writer
/// </summary>
/// <param name="writer">writer to write the data</param>
/// <param name="writeFilename">true if the chmfile name should be written</param>
internal void Dump(ref BinaryWriter writer, bool writeFilename)
{
writer.Write((int)_tocMode);
writer.Write(_topicOffset);
writer.Write(_name);
if ((_tocMode == DataMode.TextBased) || (_topicOffset < 0))
{
writer.Write(_local);
}
writer.Write(_imageIndex);
writer.Write(_mergeLink);
if (writeFilename)
{
writer.Write(_chmFile);
}
writer.Write(_infoTypeStrings.Count);
for (int i = 0; i < _infoTypeStrings.Count; i++)
{
writer.Write((_infoTypeStrings[i]).ToString());
}
writer.Write(_children.Count);
for (int i = 0; i < _children.Count; i++)
{
TOCItem child = ((TOCItem)(_children[i]));
child.Dump(ref writer, writeFilename);
}
}
/// <summary>
/// Removes merge-links from the toc of files which were not loaded
/// </summary>
internal void RemoveMergeLinks()
{
foreach (CHMFile curFile in _chmFiles)
{
if (curFile.MergLinks.Count > 0)
{
while (curFile.MergLinks.Count > 0)
{
TOCItem curItem = curFile.MergLinks[0] as TOCItem;
if (curItem.MergeLink.Length > 0)
{
curFile.RemoveTOCItem(curItem);
}
curFile.MergLinks.RemoveAt(0);
}
}
}
}
/// <summary>
/// Internal recursive tree search
/// </summary>
/// <param name="topic">topic to search</param>
/// <param name="searchIn">tree level list to look in</param>
/// <returns>Returns an instance of TOCItem if found, otherwise null</returns>
private TOCItem SearchTopic(string topic, ArrayList searchIn)
{
foreach (TOCItem curItem in searchIn)
{
if (curItem.Name.ToLower() == topic.ToLower())
{
return(curItem);
}
if (curItem.Children.Count > 0)
{
TOCItem nf = SearchTopic(topic, curItem.Children);
if (nf != null)
{
return(nf);
}
}
}
return(null);
}
/// <summary>
/// Reads the object data from a dump store
/// </summary>
/// <param name="reader">reader to read the data</param>
/// <param name="readFilename">true if the chmfile name should be read</param>
internal void ReadDump(ref BinaryReader reader, bool readFilename)
{
int i = 0;
_tocMode = (DataMode)reader.ReadInt32();
_topicOffset = reader.ReadInt32();
_name = reader.ReadString();
if ((_tocMode == DataMode.TextBased) || (_topicOffset < 0))
{
_local = reader.ReadString();
}
_imageIndex = reader.ReadInt32();
_mergeLink = reader.ReadString();
if (readFilename)
{
_chmFile = reader.ReadString();
}
int nCnt = reader.ReadInt32();
for (i = 0; i < nCnt; i++)
{
string sIT = reader.ReadString();
_infoTypeStrings.Add(sIT);
}
nCnt = reader.ReadInt32();
if (_associatedFile != null)
{
_chmFile = _associatedFile.ChmFilePath;
}
for (i = 0; i < nCnt; i++)
{
TOCItem child = new TOCItem();
child.AssociatedFile = _associatedFile;
child.ReadDump(ref reader, readFilename);
if (_associatedFile != null)
{
child.ChmFile = _associatedFile.ChmFilePath;
}
else if (!readFilename)
{
child.ChmFile = _chmFile;
}
child.Parent = this;
_children.Add(child);
if (child.MergeLink.Length > 0)
{
_associatedFile.MergLinks.Add(child);
}
}
}
/// <summary>
/// Checks all Merg-links read till now. Checks if the merg-link points to the
/// file <c>currentFile</c>. If yes the link will be replaced by the contents of the
/// merged file.
/// </summary>
/// <param name="currentFile">Current CHMFile instance</param>
internal void RecalculateMergeLinks(CHMFile currentFile)
{
foreach (CHMFile curFile in _chmFiles)
{
if (curFile.MergLinks.Count > 0)
{
for (int i = 0; i < curFile.MergLinks.Count; i++)
{
TOCItem curItem = curFile.MergLinks[i] as TOCItem;
string sMerge = curItem.MergeLink;
string [] sSplit = sMerge.Split(new char[] { ':' });
string sFName = "";
string sTarget = "";
if (sSplit.Length > 3) // merge info contains path name
{
sFName = sSplit[0] + ":" + sSplit[1];
sTarget = sSplit[3];
}
else if (sSplit.Length == 3) // merge info contains only file name
{
FileInfo fi = new FileInfo(currentFile.ChmFilePath);
string sPath = fi.DirectoryName;
string sFile = sSplit[0];
if (sFile.Length > 0)
{
if (sFile[1] != ':') // no full path setting
{
sFile = Path.Combine(sPath, sFile);
}
}
sFName = sFile;
sTarget = sSplit[2];
}
ArrayList arrToc = null;
if ((sFName.Length > 0) && (sTarget.Length > 0))
{
// if this link points into the current file
if (sFName.ToLower() == currentFile.ChmFilePath.ToLower())
{
if (sTarget.ToLower().IndexOf(".hhc") >= 0)
{
string sfCheck = sTarget;
// remove prefixing ./
while ((sfCheck[0] == '.') || (sfCheck[0] == '/'))
{
sfCheck = sfCheck.Substring(1);
}
if (currentFile.ContentsFile.ToLower() != sfCheck)
{
arrToc = currentFile.ParseHHC(sTarget);
if (arrToc.Count > 0)
{
}
}
else
{
arrToc = currentFile.TOC;
}
// target points to a complete TOC
int nCnt = 0;
foreach (TOCItem chkItem in arrToc)
{
if (nCnt == 0)
{
curItem.AssociatedFile = currentFile;
curItem.Children = chkItem.Children;
curItem.ChmFile = currentFile.ChmFilePath;
curItem.ImageIndex = chkItem.ImageIndex;
curItem.Local = chkItem.Local;
curItem.MergeLink = chkItem.MergeLink;
curItem.Name = chkItem.Name;
curItem.TocMode = chkItem.TocMode;
curItem.TopicOffset = chkItem.TopicOffset;
MarkChildrenAdded(chkItem.Children, curFile.MergLinks);
}
else
{
ArrayList checkList = null;
if (curItem.Parent != null)
{
checkList = curItem.Parent.Children;
}
else
{
checkList = curFile.TOC;
}
int nIdx = checkList.IndexOf(curItem);
if ((nIdx + nCnt) > checkList.Count)
{
checkList.Add(chkItem);
}
else
{
checkList.Insert(nIdx + nCnt, chkItem);
}
curFile.MergLinks.Add(chkItem);
MarkChildrenAdded(chkItem.Children, curFile.MergLinks);
}
nCnt++;
}
}
else
{
// target points to a single topic
TOCItem chkItem = currentFile.GetTOCItemByLocal(sTarget);
if (chkItem != null)
{
curItem.AssociatedFile = currentFile;
curItem.Children = chkItem.Children;
curItem.ChmFile = currentFile.ChmFilePath;
curItem.ImageIndex = chkItem.ImageIndex;
curItem.Local = chkItem.Local;
curItem.MergeLink = chkItem.MergeLink;
curItem.Name = chkItem.Name;
curItem.TocMode = chkItem.TocMode;
curItem.TopicOffset = chkItem.TopicOffset;
curFile.MergLinks.Add(chkItem);
MarkChildrenAdded(chkItem.Children, curFile.MergLinks);
}
}
}
}
}
}
}
}
