/// <summary>
/// Merges a chm file to the current help contents
/// </summary>
/// <param name="chmFile">full file path of the chm file to merge</param>
/// <param name="dmpInfo">dumping info</param>
/// <param name="mergedFileList">true if the merge is done because a merged file list
/// was found in the previously loaded CHM.</param>
internal void MergeFile(string chmFile, DumpingInfo dmpInfo, bool mergedFileList)
{
if (File.Exists(chmFile))
{
if (_chmFiles.Count == 1)
{
// if we open the first file, we directly point into the toc and index of this file.
// So that we don't merge the new toc's indexe's into the first file, we have to
// clone the internal arraylists first to a new instance of the toc/index holder classes.
ArrayList atoc = _toc.TOC;
ArrayList alinks = _index.ALinks;
ArrayList klinks = _index.KLinks;
_toc = new TableOfContents();
_index = new Index();
_toc.MergeToC(atoc);
_index.MergeIndex(alinks, IndexType.AssiciativeLinks);
_index.MergeIndex(klinks, IndexType.KeywordLinks);
}
CHMFile newFile = new CHMFile(this, chmFile, dmpInfo);
if (mergedFileList) // if we've called this method due to a merged file list merge
{
RecalculateMergeLinks(newFile);
_toc.MergeToC(newFile.TOC, _chmFiles);
_index.MergeIndex(newFile.IndexALinks, IndexType.AssiciativeLinks);
_index.MergeIndex(newFile.IndexKLinks, IndexType.KeywordLinks);
_chmFiles.Add(newFile);
// add all infotypes and categories of the read file to this system instance
MergeFileInfoTypesCategories(newFile);
}
else
{
_toc.MergeToC(newFile.TOC, _chmFiles);
_index.MergeIndex(newFile.IndexALinks, IndexType.AssiciativeLinks);
_index.MergeIndex(newFile.IndexKLinks, IndexType.KeywordLinks);
_chmFiles.Add(newFile);
// add all infotypes and categories of the read file to this system instance
MergeFileInfoTypesCategories(newFile);
// check if the file has a merged files list
if (newFile.MergedFiles.Length > 0)
{
// extract the path of the chm file (usually merged files are in the same path)
FileInfo fi = new FileInfo(chmFile);
string sPath = fi.DirectoryName;
for (int i = 0; i < newFile.MergedFiles.Length; i++)
{
string sFile = newFile.MergedFiles[i];
if (sFile.Length > 0)
{
if (sFile[1] != ':') // no full path setting
{
sFile = Path.Combine(sPath, sFile);
}
MergeFile(sFile, dmpInfo, true);
}
}
//if(newFile.MergLinks.Count > 0)
// RecalculateMergeLinks(newFile);
RemoveMergeLinks(); // clear all merge-links which have no target !
}
}
}
}