wxString wxHtmlFilterHTML::ReadFile(const wxFSFile& file) const
{
wxInputStream *s = file.GetStream();
wxString doc;
if (s == NULL)
{
wxLogError(_("Cannot open HTML document: %s"), file.GetLocation().c_str());
return wxEmptyString;
}
// NB: We convert input file to wchar_t here in Unicode mode, based on
// either Content-Type header or <meta> tags. In ANSI mode, we don't
// do it as it is done by wxHtmlParser (for this reason, we add <meta>
// tag if we used Content-Type header).
#if wxUSE_UNICODE
int charsetPos;
if ((charsetPos = file.GetMimeType().Find(wxT("; charset="))) != wxNOT_FOUND)
{
wxString charset = file.GetMimeType().Mid(charsetPos + 10);
wxCSConv conv(charset);
ReadString(doc, s, conv);
}
else
{
size_t size = s->GetSize();
wxCharBuffer buf( size+1 );
s->Read( buf.data(), size );
*(buf.data() + size) = 0;
wxString tmpdoc( buf, wxConvISO8859_1);
wxString charset = wxHtmlParser::ExtractCharsetInformation(tmpdoc);
if (charset.empty())
doc = tmpdoc;
else
{
wxCSConv conv(charset);
doc = wxString( buf, conv );
}
}
#else // !wxUSE_UNICODE
ReadString(doc, s, wxConvLibc);
// add meta tag if we obtained this through http:
if (!file.GetMimeType().empty())
{
wxString hdr;
wxString mime = file.GetMimeType();
hdr.Printf(wxT("<meta http-equiv=\"Content-Type\" content=\"%s\">"), mime.c_str());
return hdr+doc;
}
#endif
return doc;
}
bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
wxFontEncoding encoding,
const wxString& title, const wxString& contfile,
const wxString& indexfile, const wxString& deftopic,
const wxString& path)
{
wxFileSystem fsys;
wxFSFile *fi;
wxHtmlBookRecord *bookr;
int IndexOld = m_index.size(),
ContentsOld = m_contents.size();
if (!path.empty())
fsys.ChangePathTo(path, true);
size_t booksCnt = m_bookRecords.GetCount();
for (size_t i = 0; i < booksCnt; i++)
{
if ( m_bookRecords[i].GetBookFile() == bookfile.GetLocation() )
return true; // book is (was) loaded
}
bookr = new wxHtmlBookRecord(bookfile.GetLocation(), fsys.GetPath(), title, deftopic);
wxHtmlHelpDataItem *bookitem = new wxHtmlHelpDataItem;
bookitem->level = 0;
bookitem->id = 0;
bookitem->page = deftopic;
bookitem->name = title;
bookitem->book = bookr;
// store the contents index for later
int cont_start = m_contents.size();
m_contents.Add(bookitem);
// Try to find cached binary versions:
// 1. save file as book, but with .hhp.cached extension
// 2. same as 1. but in temp path
// 3. otherwise or if cache load failed, load it from MS.
fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
if (fi == NULL ||
#if wxUSE_DATETIME
fi->GetModificationTime() < bookfile.GetModificationTime() ||
#endif // wxUSE_DATETIME
!LoadCachedBook(bookr, fi->GetStream()))
{
if (fi != NULL) delete fi;
fi = fsys.OpenFile(m_tempPath + wxFileNameFromPath(bookfile.GetLocation()) + wxT(".cached"));
if (m_tempPath.empty() || fi == NULL ||
#if wxUSE_DATETIME
fi->GetModificationTime() < bookfile.GetModificationTime() ||
#endif // wxUSE_DATETIME
!LoadCachedBook(bookr, fi->GetStream()))
{
LoadMSProject(bookr, fsys, indexfile, contfile);
if (!m_tempPath.empty())
{
wxFileOutputStream *outs = new wxFileOutputStream(m_tempPath +
SafeFileName(wxFileNameFromPath(bookfile.GetLocation())) + wxT(".cached"));
SaveCachedBook(bookr, outs);
delete outs;
}
}
}
if (fi != NULL) delete fi;
// Now store the contents range
bookr->SetContentsRange(cont_start, m_contents.size());
// MS HTML Help files [written by MS HTML Help Workshop] are broken
// in that the data are iso-8859-1 (including HTML entities), but must
// be interpreted as being in language's windows charset. Correct the
// differences here and also convert to wxConvLocal in ANSI build
if (encoding != wxFONTENCODING_SYSTEM)
{
#if wxUSE_UNICODE
#define CORRECT_STR(str, conv) \
str = wxString((str).mb_str(wxConvISO8859_1), conv)
#else
#define CORRECT_STR(str, conv) \
str = wxString((str).wc_str(conv), wxConvLocal)
#endif
wxCSConv conv(encoding);
size_t IndexCnt = m_index.size();
size_t ContentsCnt = m_contents.size();
size_t i;
for (i = IndexOld; i < IndexCnt; i++)
{
CORRECT_STR(m_index[i].name, conv);
}
for (i = ContentsOld; i < ContentsCnt; i++)
{
CORRECT_STR(m_contents[i].name, conv);
}
#undef CORRECT_STR
}
m_bookRecords.Add(bookr);
if (!m_index.empty())
{
m_index.Sort(wxHtmlHelpIndexCompareFunc);
}
return true;
}
wxString wxHtmlFilterImage::ReadFile(const wxFSFile& file) const
{
wxString res = wxT("<HTML><BODY><IMG SRC=\"") + file.GetLocation() + wxT("\"></BODY></HTML>");
return res;
}
wxString wxHtmlFilterImage::ReadFile(const wxFSFile& file) const
{
return ("<HTML><BODY><IMG SRC=\"" + file.GetLocation() + "\"></BODY></HTML>");
}