Method WriteToFile

src/KnownFile.cpp:745–858

bool CKnownFile::WriteToFile(CFileDataIO* file)
{
	wxCHECK(!IsPartFile(), false);

	// date
	file->WriteUInt32((uint32)m_lastDateChanged);
	// hashset
	file->WriteHash(m_abyFileHash);

	uint16 parts = m_hashlist.size();
	file->WriteUInt16(parts);

	for (int i = 0; i < parts; ++i)
		file->WriteHash(m_hashlist[i]);

	//tags
	const int iFixedTags = 9;	// +1 for FT_LASTSEEN
	uint32 tagcount = iFixedTags;
	if (HasProperAICHHashSet()) {
		tagcount++;
	}
	// Float meta tags are currently not written. All older eMule versions < 0.28a have
	// a bug in the meta tag reading+writing code. To achieve maximum backward
	// compatibility for met files with older eMule versions we just don't write float
	// tags. This is OK, because we (eMule) do not use float tags. The only float tags
	// we may have to handle is the '# Sent' tag from the Hybrid, which is pretty
	// useless but may be received from us via the servers.
	//
	// The code for writing the float tags SHOULD BE ENABLED in SOME MONTHS (after most
	// people are using the newer eMule versions which do not write broken float tags).
	for (size_t j = 0; j < m_taglist.size(); ++j){
		if (m_taglist[j].IsInt() || m_taglist[j].IsStr()) {
			++tagcount;
		}
	}

	if (m_lastPublishTimeKadSrc) {
		++tagcount;
	}

	if (m_lastPublishTimeKadNotes){
		++tagcount;
	}

	// standard tags

	file->WriteUInt32(tagcount);

	// We still save the unicoded filename, for backwards
	// compatibility with pre-2.2 and other clients.
	CTagString nametag_unicode(FT_FILENAME, GetFileName().GetRaw());
	// We write it with BOM to keep eMule compatibility
	nametag_unicode.WriteTagToFile(file,utf8strOptBOM);

	// The non-unicoded filename is written in an 'universial'
	// format, which allows us to identify files, even if the
	// system locale changes.
	CTagString nametag(FT_FILENAME, CPath::ToUniv(GetFileName()));