bool CHMPlugin::readDescription(const std::string &path, BookDescription &description) const {
ZLFile file(path);
shared_ptr<ZLInputStream> stream = file.inputStream();
if (stream.isNull() || !stream->open()) {
return false;
}
CHMFileInfo chmFile(path);
if (!chmFile.init(*stream)) {
return false;
}
CHMFileInfo::FileNames names = chmFile.sectionNames(stream);
if (names.empty()) {
return false;
}
/*
shared_ptr<ZLInputStream> entryStream = chmFile.entryStream(stream, names.Start);
if (entryStream.isNull()) {
entryStream = chmFile.entryStream(stream, names.Home);
}
if (entryStream.isNull()) {
entryStream = chmFile.entryStream(stream, names.TOC);
}
/ *
if (entryStream.isNull()) {
chmFile.entryStream(stream, names.Index);
}
* /
if (entryStream.isNull()) {
return false;
}
*/
CHMTextStream textStream(chmFile, stream);
detectEncodingAndLanguage(description, textStream);
if (description.encoding().empty()) {
return false;
}
return true;
}
bool CHMPlugin::readMetaInfo(Book &book) const {
const ZLFile &file = book.file();
shared_ptr<ZLInputStream> stream = file.inputStream();
if (stream.isNull() || !stream->open()) {
return false;
}
CHMFileInfo chmFile(file);
if (!chmFile.init(*stream)) {
return false;
}
CHMFileInfo::FileNames names = chmFile.sectionNames(stream);
if (names.empty()) {
return false;
}
/*
shared_ptr<ZLInputStream> entryStream = chmFile.entryStream(stream, names.Start);
if (entryStream.isNull()) {
entryStream = chmFile.entryStream(stream, names.Home);
}
if (entryStream.isNull()) {
entryStream = chmFile.entryStream(stream, names.TOC);
}
/ *
if (entryStream.isNull()) {
chmFile.entryStream(stream, names.Index);
}
* /
if (entryStream.isNull()) {
return false;
}
*/
CHMTextStream textStream(chmFile, stream);
detectEncodingAndLanguage(book, textStream);
if (book.encoding().empty()) {
return false;
}
return true;
}
bool CHelpSystemCore::SearchCHMs(const CString &path)
{
// Retrieive full path with wildcard and full path without wildcard.
CString fullPathWildcard;
CString fullPath;
// Construct full path with wildcard.
int pos = DLLModuleName.ReverseFind('\\');
if (pos < 0)
{
// Invalid path.
return false;
}
fullPathWildcard = DLLModuleName.Left(pos + 1);
fullPathWildcard += path;
// Retrieveing full path without wildcard.
pos = fullPathWildcard.ReverseFind('\\');
if (pos < 0)
{
// Invalid path (shouldn't actually get here).
return false;
}
fullPath = fullPathWildcard.Left(pos + 1);
// Search and load CHM files.
bool bIsFound = false;
WIN32_FIND_DATA fdData;
HANDLE hFind = FindFirstFile(fullPathWildcard, &fdData);
if (hFind != INVALID_HANDLE_VALUE)
{
do
{
if ((fdData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
CString fileName = fullPath + fdData.cFileName;
// Here (const char *) cast is used, because chm::chmfile
// supports std::string only.
std::auto_ptr<chm::chmfile> chmFile(
new chm::chmfile((const char *)(fileName))
);
if (chmFile->is_open())
{
// The CHM is open and valid.
CString name(fdData.cFileName);
// Remove extension.
int ppos = name.ReverseFind('.');
if (ppos >= 0)
{
name.Delete(ppos, name.GetLength());
}
name.MakeLower();
if (m_chmNames.find(name) == m_chmNames.end())
{
bIsFound = true;
m_chmList.push_back(CChm(fileName, chmFile));
CHMLIST::iterator item = m_chmList.end();
--item;
m_chmNames.insert(std::make_pair(name, item));
}
else
{
// TODO: Warning, CHM with such name already exists.
}
}
}
} while (FindNextFile(hFind, &fdData));
}
return bIsFound;
}
