You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
360 lines
10 KiB
360 lines
10 KiB
#include <libxslt/xsltconfig.h>
|
|
#include <libxslt/xsltInternals.h>
|
|
#include <libxslt/transform.h>
|
|
#include <libxslt/xsltutils.h>
|
|
#include <libxml/xmlIO.h>
|
|
#include <libxml/parserInternals.h>
|
|
#include <libxml/catalog.h>
|
|
#include <kdebug.h>
|
|
#include <kstandarddirs.h>
|
|
#include <tqdir.h>
|
|
#include <tqregexp.h>
|
|
#include <xslt.h>
|
|
#include <kinstance.h>
|
|
#include "kio_help.h"
|
|
#include <klocale.h>
|
|
#include <assert.h>
|
|
#include <kfilterbase.h>
|
|
#include <kfilterdev.h>
|
|
#include <tqtextcodec.h>
|
|
#include <stdlib.h>
|
|
#include <config.h>
|
|
#include <stdarg.h>
|
|
#include <klibloader.h>
|
|
#include <kcharsets.h>
|
|
#include <gzip/kgzipfilter.h>
|
|
#include <bzip2/kbzip2filter.h>
|
|
#include <klibloader.h>
|
|
#include <tqvaluevector.h>
|
|
|
|
#if !defined( SIMPLE_XSLT )
|
|
extern HelpProtocol *slave;
|
|
#define INFO( x ) if (slave) slave->infoMessage(x);
|
|
#else
|
|
#define INFO( x )
|
|
#endif
|
|
|
|
int writeToQString(void * context, const char * buffer, int len)
|
|
{
|
|
TQString *t = (TQString*)context;
|
|
*t += TQString::fromUtf8(buffer, len);
|
|
return len;
|
|
}
|
|
|
|
int closeQString(void * context) {
|
|
TQString *t = (TQString*)context;
|
|
*t += '\n';
|
|
return 0;
|
|
}
|
|
|
|
TQString transform( const TQString &pat, const TQString& tss,
|
|
const TQValueVector<const char *> ¶ms )
|
|
{
|
|
TQString parsed;
|
|
|
|
INFO(i18n("Parsing stylesheet"));
|
|
|
|
xsltStylesheetPtr style_sheet =
|
|
xsltParseStylesheetFile((const xmlChar *)tss.latin1());
|
|
|
|
if ( !style_sheet ) {
|
|
return parsed;
|
|
}
|
|
|
|
if (style_sheet->indent == 1)
|
|
xmlIndentTreeOutput = 1;
|
|
else
|
|
xmlIndentTreeOutput = 0;
|
|
|
|
INFO(i18n("Parsing document"));
|
|
|
|
xmlDocPtr doc = xmlParseFile( pat.latin1() );
|
|
xsltTransformContextPtr ctxt;
|
|
|
|
ctxt = xsltNewTransformContext(style_sheet, doc);
|
|
if (ctxt == NULL)
|
|
return parsed;
|
|
|
|
INFO(i18n("Applying stylesheet"));
|
|
TQValueVector<const char *> p = params;
|
|
p.append( NULL );
|
|
xmlDocPtr res = xsltApplyStylesheet(style_sheet, doc, const_cast<const char **>(&p[0]));
|
|
xmlFreeDoc(doc);
|
|
if (res != NULL) {
|
|
xmlOutputBufferPtr outp = xmlOutputBufferCreateIO(writeToQString, (xmlOutputCloseCallback)closeQString, &parsed, 0);
|
|
outp->written = 0;
|
|
INFO(i18n("Writing document"));
|
|
xsltSaveResultTo ( outp, res, style_sheet );
|
|
xmlOutputBufferFlush(outp);
|
|
xmlFreeDoc(res);
|
|
}
|
|
xsltFreeStylesheet(style_sheet);
|
|
|
|
if (parsed.isEmpty())
|
|
parsed = " "; // avoid error message
|
|
return parsed;
|
|
}
|
|
|
|
/*
|
|
xmlParserInputPtr meinExternalEntityLoader(const char *URL, const char *ID,
|
|
xmlParserCtxtPtr ctxt) {
|
|
xmlParserInputPtr ret = NULL;
|
|
|
|
// fprintf(stderr, "loading %s %s %s\n", URL, ID, ctxt->directory);
|
|
|
|
if (URL == NULL) {
|
|
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
|
|
ctxt->sax->warning(ctxt,
|
|
"failed to load external entity \"%s\"\n", ID);
|
|
return(NULL);
|
|
}
|
|
if (!qstrcmp(ID, "-//OASIS//DTD DocBook XML V4.1.2//EN"))
|
|
URL = "docbook/xml-dtd-4.1.2/docbookx.dtd";
|
|
if (!qstrcmp(ID, "-//OASIS//DTD XML DocBook V4.1.2//EN"))
|
|
URL = "docbook/xml-dtd-4.1.2/docbookx.dtd";
|
|
|
|
TQString file;
|
|
if (KStandardDirs::exists( TQDir::currentDirPath() + "/" + URL ) )
|
|
file = TQDir::currentDirPath() + "/" + URL;
|
|
else
|
|
file = locate("dtd", URL);
|
|
|
|
ret = xmlNewInputFromFile(ctxt, file.latin1());
|
|
if (ret == NULL) {
|
|
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
|
|
ctxt->sax->warning(ctxt,
|
|
|
|
"failed to load external entity \"%s\"\n", URL);
|
|
}
|
|
return(ret);
|
|
}
|
|
*/
|
|
|
|
TQString splitOut(const TQString &parsed, int index)
|
|
{
|
|
int start_index = index + 1;
|
|
while (parsed.at(start_index - 1) != '>') start_index++;
|
|
|
|
int inside = 0;
|
|
|
|
TQString filedata;
|
|
|
|
while (true) {
|
|
int endindex = parsed.find("</FILENAME>", index);
|
|
int startindex = parsed.find("<FILENAME ", index) + 1;
|
|
|
|
// kdDebug() << "FILENAME " << startindex << " " << endindex << " " << inside << " " << parsed.mid(startindex + 18, 15)<< " " << parsed.length() << endl;
|
|
|
|
if (startindex > 0) {
|
|
if (startindex < endindex) {
|
|
// kdDebug() << "finding another" << endl;
|
|
index = startindex + 8;
|
|
inside++;
|
|
} else {
|
|
index = endindex + 8;
|
|
inside--;
|
|
}
|
|
} else {
|
|
inside--;
|
|
index = endindex + 1;
|
|
}
|
|
|
|
if (inside == 0) {
|
|
filedata = parsed.mid(start_index, endindex - start_index);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
index = filedata.find("<FILENAME ");
|
|
|
|
if (index > 0) {
|
|
int endindex = filedata.findRev("</FILENAME>");
|
|
while (filedata.at(endindex) != '>') endindex++;
|
|
endindex++;
|
|
filedata = filedata.left(index) + filedata.mid(endindex);
|
|
}
|
|
|
|
// filedata.replace(TQRegExp(">"), "\n>");
|
|
return filedata;
|
|
}
|
|
|
|
void fillInstance(TDEInstance &ins, const TQString &srcdir) {
|
|
TQString catalogs;
|
|
|
|
if ( srcdir.isEmpty() ) {
|
|
catalogs += ins.dirs()->findResource("data", "ksgmltools2/customization/catalog");
|
|
catalogs += ':';
|
|
catalogs += ins.dirs()->findResource("data", "ksgmltools2/docbook/xml-dtd-4.2/docbook.cat");
|
|
ins.dirs()->addResourceType("dtd", KStandardDirs::kde_default("data") + "ksgmltools2");
|
|
} else {
|
|
catalogs += srcdir +"/customization/catalog:" + srcdir + "/docbook/xml-dtd-4.2/docbook.cat";
|
|
ins.dirs()->addResourceDir("dtd", srcdir);
|
|
}
|
|
|
|
xmlLoadCatalogs(catalogs.latin1());
|
|
}
|
|
|
|
extern "C" void *init_kbzip2filter();
|
|
|
|
static TQIODevice *getBZip2device(const TQString &fileName )
|
|
{
|
|
TQFile * f = new TQFile( fileName );
|
|
KLibFactory * factory = static_cast<KLibFactory*>(init_kbzip2filter());
|
|
KFilterBase * base = static_cast<KFilterBase*>( factory->create(0, "bzip2" ) );
|
|
|
|
if ( base )
|
|
{
|
|
base->setDevice(TQT_TQIODEVICE(f), true);
|
|
return new KFilterDev(base, true);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool saveToCache( const TQString &contents, const TQString &filename )
|
|
{
|
|
TQIODevice *fd = ::getBZip2device(filename);
|
|
if ( !fd )
|
|
return false;
|
|
|
|
if (!fd->open(IO_WriteOnly))
|
|
{
|
|
delete fd;
|
|
return false;
|
|
}
|
|
|
|
fd->writeBlock( contents.utf8() );
|
|
fd->close();
|
|
delete fd;
|
|
return true;
|
|
}
|
|
|
|
static bool readCache( const TQString &filename,
|
|
const TQString &cache, TQString &output)
|
|
{
|
|
kdDebug( 7119 ) << "verifyCache " << filename << " " << cache << endl;
|
|
if ( !compareTimeStamps( filename, cache ) )
|
|
return false;
|
|
if ( !compareTimeStamps( locate( "dtd", "customization/kde-chunk.xsl"), cache ) )
|
|
return false;
|
|
|
|
kdDebug( 7119 ) << "create filter" << endl;
|
|
TQIODevice *fd = ::getBZip2device(cache);
|
|
if ( !fd )
|
|
return false;
|
|
|
|
if (!fd->open(IO_ReadOnly))
|
|
{
|
|
delete fd;
|
|
TQFile::remove(cache);
|
|
return false;
|
|
}
|
|
|
|
kdDebug( 7119 ) << "reading" << endl;
|
|
|
|
char buffer[32000];
|
|
int n;
|
|
TQCString text;
|
|
// Also end loop in case of error, when -1 is returned
|
|
while ( ( n = fd->readBlock(buffer, 31900) ) > 0)
|
|
{
|
|
buffer[n] = 0;
|
|
text += buffer;
|
|
}
|
|
kdDebug( 7119 ) << "read " << text.length() << endl;
|
|
fd->close();
|
|
|
|
output = TQString::fromUtf8( text );
|
|
delete fd;
|
|
|
|
if (n == -1)
|
|
return false;
|
|
|
|
kdDebug( 7119 ) << "finished " << endl;
|
|
|
|
return true;
|
|
}
|
|
|
|
TQString lookForCache( const TQString &filename )
|
|
{
|
|
kdDebug() << "lookForCache " << filename << endl;
|
|
assert( filename.endsWith( ".docbook" ) );
|
|
assert( filename.at( 0 ) == '/' );
|
|
|
|
TQString cache = filename.left( filename.length() - 7 );
|
|
TQString output;
|
|
if ( readCache( filename, cache + "cache.bz2", output) )
|
|
return output;
|
|
if ( readCache( filename,
|
|
locateLocal( "cache",
|
|
"kio_help" + cache +
|
|
"cache.bz2" ), output ) )
|
|
return output;
|
|
|
|
return TQString::null;
|
|
}
|
|
|
|
bool compareTimeStamps( const TQString &older, const TQString &newer )
|
|
{
|
|
TQFileInfo _older( older );
|
|
TQFileInfo _newer( newer );
|
|
assert( _older.exists() );
|
|
if ( !_newer.exists() )
|
|
return false;
|
|
return ( _newer.lastModified() > _older.lastModified() );
|
|
}
|
|
|
|
TQCString fromUnicode( const TQString &data )
|
|
{
|
|
TQTextCodec *locale = TQTextCodec::codecForLocale();
|
|
TQCString result;
|
|
char buffer[30000];
|
|
uint buffer_len = 0;
|
|
uint len = 0;
|
|
uint offset = 0;
|
|
const int part_len = 5000;
|
|
|
|
TQString part;
|
|
|
|
while ( offset < data.length() )
|
|
{
|
|
part = data.mid( offset, part_len );
|
|
TQCString test = locale->fromUnicode( part );
|
|
if ( locale->toUnicode( test ) == part ) {
|
|
result += test;
|
|
offset += part_len;
|
|
continue;
|
|
}
|
|
len = part.length();
|
|
buffer_len = 0;
|
|
for ( uint i = 0; i < len; i++ ) {
|
|
TQCString test = locale->fromUnicode( part.mid( i, 1 ) );
|
|
if ( locale->toUnicode( test ) == part.mid( i, 1 ) ) {
|
|
if (buffer_len + test.length() + 1 > sizeof(buffer))
|
|
break;
|
|
strcpy( buffer + buffer_len, test.data() );
|
|
buffer_len += test.length();
|
|
} else {
|
|
TQString res;
|
|
res.sprintf( "&#%d;", TQChar(part.at( i )).unicode() );
|
|
test = locale->fromUnicode( res );
|
|
if (buffer_len + test.length() + 1 > sizeof(buffer))
|
|
break;
|
|
strcpy( buffer + buffer_len, test.data() );
|
|
buffer_len += test.length();
|
|
}
|
|
}
|
|
result += TQCString( buffer, buffer_len + 1);
|
|
offset += part_len;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void replaceCharsetHeader( TQString &output )
|
|
{
|
|
TQString name = TQTextCodec::codecForLocale()->name();
|
|
name.replace( TQString( "ISO " ), "iso-" );
|
|
output.replace( TQString( "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" ),
|
|
TQString( "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=%1\">" ).arg( name ) );
|
|
}
|