lString16 EpubGetRootFilePath(LVContainerRef m_arc)
{
// check root media type
lString16 rootfilePath;
lString16 rootfileMediaType;
// read container.xml
{
LVStreamRef container_stream = m_arc->OpenStream(L"META-INF/container.xml", LVOM_READ);
if ( !container_stream.isNull() ) {
ldomDocument * doc = LVParseXMLStream( container_stream );
if ( doc ) {
ldomNode * rootfile = doc->nodeFromXPath( lString16(L"container/rootfiles/rootfile") );
if ( rootfile && rootfile->isElement() ) {
rootfilePath = rootfile->getAttributeValue(L"full-path");
rootfileMediaType = rootfile->getAttributeValue(L"media-type");
}
delete doc;
}
}
}
if ( rootfilePath.empty() || rootfileMediaType!=L"application/oebps-package+xml" )
return lString16::empty_str;
return rootfilePath;
}
jbyteArray scanBookCoverInternal
(JNIEnv * _env, jclass _class, jstring _path)
{
CRJNIEnv env(_env);
lString16 path = env.fromJavaString(_path);
CRLog::debug("scanBookCoverInternal(%s) called", LCSTR(path));
lString16 arcname, item;
LVStreamRef res;
jbyteArray array = NULL;
LVContainerRef arc;
if (!LVSplitArcName(path, arcname, item)) {
// not in archive
LVStreamRef stream = LVOpenFileStream(path.c_str(), LVOM_READ);
if (!stream.isNull()) {
arc = LVOpenArchieve(stream);
if (!arc.isNull()) {
// ZIP-based format
if (DetectEpubFormat(stream)) {
// EPUB
// extract coverpage from epub
res = GetEpubCoverpage(arc);
}
} else {
res = GetFB2Coverpage(stream);
if (res.isNull()) {
doc_format_t fmt;
if (DetectPDBFormat(stream, fmt)) {
res = GetPDBCoverpage(stream);
}
}
}
}
} else {
CRLog::debug("scanBookCoverInternal() : is archive, item=%s, arc=%s", LCSTR(item), LCSTR(arcname));
LVStreamRef arcstream = LVOpenFileStream(arcname.c_str(), LVOM_READ);
if (!arcstream.isNull()) {
arc = LVOpenArchieve(arcstream);
if (!arc.isNull()) {
LVStreamRef stream = arc->OpenStream(item.c_str(), LVOM_READ);
if (!stream.isNull()) {
CRLog::debug("scanBookCoverInternal() : archive stream opened ok, parsing");
res = GetFB2Coverpage(stream);
if (res.isNull()) {
doc_format_t fmt;
if (DetectPDBFormat(stream, fmt)) {
res = GetPDBCoverpage(stream);
}
}
}
}
}
}
if (!res.isNull())
array = env.streamToJByteArray(res);
if (array != NULL)
CRLog::debug("scanBookCoverInternal() : returned cover page array");
else
CRLog::debug("scanBookCoverInternal() : cover page data not found");
return array;
}
virtual LVStreamRef OpenStream( const lChar16 * fname, lvopen_mode_t mode ) {
LVStreamRef res = _container->OpenStream(fname, mode);
if (res.isNull())
return res;
if (isEncryptedItem(fname))
return LVStreamRef(new FontDemanglingStream(res, _fontManglingKey));
return res;
}
bool open() {
LVStreamRef stream = _container->OpenStream(L"META-INF/encryption.xml", LVOM_READ);
if (stream.isNull())
return false;
EncCallback enccallback(this);
LVXMLParser parser(stream, &enccallback, false, false);
if (!parser.Parse())
return false;
if (_list.length())
return true;
return false;
}
static void dumpZip( LVContainerRef arc ) {
lString16 arcName = LVExtractFilenameWithoutExtension( arc->GetName() );
if ( arcName.empty() )
arcName = L"unziparc";
lString16 outDir = lString16("/tmp/") + arcName;
LVCreateDirectory(outDir);
for ( int i=0; i<arc->GetObjectCount(); i++ ) {
const LVContainerItemInfo * info = arc->GetObjectInfo(i);
if ( !info->IsContainer() ) {
lString16 outFileName = outDir + L"/" + info->GetName();
LVCreateDirectory(LVExtractPath(outFileName));
LVStreamRef in = arc->OpenStream(info->GetName(), LVOM_READ);
LVStreamRef out = LVOpenFileStream(outFileName.c_str(), LVOM_WRITE);
if ( !in.isNull() && !out.isNull() ) {
CRLog::trace("Writing %s", LCSTR(outFileName));
LVPumpStream(out.get(), in.get());
}
}
}
}
static bool GetBookProperties(const char *name, BookProperties * pBookProps)
{
CRLog::trace("GetBookProperties( %s )", name);
// check archieve
lString16 arcPathName;
lString16 arcItemPathName;
bool isArchiveFile = LVSplitArcName( lString16(name), arcPathName, arcItemPathName );
// open stream
LVStreamRef stream = LVOpenFileStream( (isArchiveFile ? arcPathName : Utf8ToUnicode(lString8(name))).c_str() , LVOM_READ);
if (!stream) {
CRLog::error("cannot open file %s", name);
return false;
}
if ( DetectEpubFormat( stream ) ) {
CRLog::trace("GetBookProperties() : epub format detected");
return GetEPUBBookProperties( name, stream, pBookProps );
}
time_t t = (time_t)time(0);
if ( isArchiveFile ) {
int arcsize = (int)stream->GetSize();
LVContainerRef container = LVOpenArchieve(stream);
if ( container.isNull() ) {
CRLog::error( "Cannot read archive contents from %s", LCSTR(arcPathName) );
return false;
}
stream = container->OpenStream(arcItemPathName.c_str(), LVOM_READ);
if ( stream.isNull() ) {
CRLog::error( "Cannot open archive file item stream %s", LCSTR(lString16(name)) );
return false;
}
}
struct stat fs;
if ( !stat( name, &fs ) ) {
t = fs.st_mtime;
}
// read document
#if COMPACT_DOM==1
ldomDocument doc(stream, 0);
#else
ldomDocument doc;
#endif
ldomDocumentWriter writer(&doc, true);
doc.setNodeTypes( fb2_elem_table );
doc.setAttributeTypes( fb2_attr_table );
doc.setNameSpaceTypes( fb2_ns_table );
LVXMLParser parser( stream, &writer );
CRLog::trace( "checking format..." );
if ( !parser.CheckFormat() ) {
return false;
}
CRLog::trace( "parsing..." );
if ( !parser.Parse() ) {
return false;
}
CRLog::trace( "parsed" );
#if 0
char ofname[512];
sprintf(ofname, "%s.xml", name);
CRLog::trace(" writing to file %s", ofname);
LVStreamRef out = LVOpenFileStream(ofname, LVOM_WRITE);
doc.saveToStream(out, "utf16");
#endif
lString16 authors = extractDocAuthors( &doc, lString16("|"), false );
lString16 title = extractDocTitle( &doc );
lString16 language = extractDocLanguage( &doc ).lowercase();
lString16 series = extractDocSeries( &doc, &pBookProps->seriesNumber );
#if SERIES_IN_AUTHORS==1
if ( !series.empty() )
authors << " " << series;
#endif
pBookProps->title = title;
pBookProps->author = authors;
pBookProps->series = series;
pBookProps->filesize = (long)stream->GetSize();
pBookProps->filename = lString16(name);
pBookProps->filedate = getDateTimeString( t );
pBookProps->language = language;
return true;
}
int GetBookProperties(char *name, struct BookProperties* pBookProps, int localLanguage)
{
CRLog::trace("GetBookProperties( %s )", name);
memset(pBookProps, 0, sizeof(BookProperties) );
// open stream
LVStreamRef stream = LVOpenFileStream(name, LVOM_READ);
if (!stream) {
CRLog::error("cannot open file %s", name);
return 0;
}
// check archieve
#ifdef USE_ZLIB
LVContainerRef arc;
//printf("start opening arc\n");
//for ( int i=0; i<1000; i++ )
//for ( int kk=0; kk<1000; kk++)
{
arc = LVOpenArchieve( stream );
//printf("end opening arc\n");
if (!arc.isNull())
{
CRLog::trace("%s is archive with %d items", name, arc->GetObjectCount());
// archieve
const LVContainerItemInfo * bestitem = NULL;
const LVContainerItemInfo * fb2item = NULL;
const LVContainerItemInfo * fbditem = NULL;
for (int i=0; i<arc->GetObjectCount(); i++)
{
const LVContainerItemInfo * item = arc->GetObjectInfo(i);
if (item)
{
if ( !item->IsContainer() )
{
lString16 name( item->GetName() );
if ( name.length() > 5 )
{
name.lowercase();
const lChar16 * pext = name.c_str() + name.length() - 4;
if ( pext[0]=='.' && pext[1]=='f' && pext[2]=='b' && pext[3]=='2') {
fb2item = item;
} else if ( pext[0]=='.' && pext[1]=='f' && pext[2]=='b' && pext[3]=='d') {
fbditem = item;
}
}
}
}
}
bestitem = fb2item;
if ( fbditem )
bestitem = fbditem;
if ( !bestitem )
return 0;
CRLog::trace( "opening item %s from archive", UnicodeToUtf8(bestitem->GetName()).c_str() );
//printf("start opening stream\n");
//for ( int k=0; k<1000; k++ ) {
stream = arc->OpenStream( bestitem->GetName(), LVOM_READ );
char buf[8192];
stream->Read(buf, 8192, NULL );
//}
//printf("end opening stream\n");
if ( stream.isNull() )
return 0;
CRLog::trace( "stream created" );
// opened archieve stream
}
}
#endif //USE_ZLIB
// read document
#if COMPACT_DOM==1
ldomDocument doc(stream, 0);
#else
ldomDocument doc;
#endif
ldomDocumentWriter writer(&doc, true);
doc.setNodeTypes( fb2_elem_table );
doc.setAttributeTypes( fb2_attr_table );
doc.setNameSpaceTypes( fb2_ns_table );
LVXMLParser parser( stream, &writer );
CRLog::trace( "checking format..." );
if ( !parser.CheckFormat() ) {
return 0;
}
CRLog::trace( "parsing..." );
if ( !parser.Parse() ) {
return 0;
}
CRLog::trace( "parsed" );
#if 0
char ofname[512];
sprintf(ofname, "%s.xml", name);
CRLog::trace(" writing to file %s", ofname);
LVStreamRef out = LVOpenFileStream(ofname, LVOM_WRITE);
doc.saveToStream(out, "utf16");
#endif
lString16 authors = extractDocAuthors( &doc );
lString16 title = extractDocTitle( &doc );
lString16 series = extractDocSeriesReverse( &doc );
#if SERIES_IN_AUTHORS==1
if ( !series.empty() )
authors << L" " << series;
#endif
SetFieldValue( pBookProps->name, title );
if ( !authors.empty() )
SetFieldValue( pBookProps->author, authors );
if ( !series.empty() )
SetFieldValue( pBookProps->series, series );
pBookProps->filesize = (long)stream->GetSize();
strncpy( pBookProps->filename, name, MAX_PROPERTY_LEN-1 );
struct stat fs;
time_t t;
if ( stat( name, &fs ) ) {
t = (time_t)time(0);
} else {
t = fs.st_mtime;
}
SetFieldValue( pBookProps->filedate, getDateTimeString( t, localLanguage ) );
return 1;
}