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#include <config.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#ifdef HAVE_STDIO_H
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# include <stdio.h>
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#endif
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#include <tqvaluelist.h>
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#include <tqfileinfo.h>
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#include <tqfile.h>
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#include <tqtextstream.h>
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#include <tqregexp.h>
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#include <tqtextcodec.h>
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#include <kdebug.h>
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#include <kurl.h>
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#include <tdeglobal.h>
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#include <tdelocale.h>
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#include <kstandarddirs.h>
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#include <kinstance.h>
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#include "tdeio_help.h"
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#include <libxslt/xsltutils.h>
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#include <libxslt/transform.h>
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#include "xslt.h"
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using namespace TDEIO;
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TQString HelpProtocol::langLookup(const TQString &fname)
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{
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TQStringList search;
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// assemble the local search paths
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const TQStringList localDoc = TDEGlobal::dirs()->resourceDirs("html") + TDEGlobal::dirs()->resourceDirs("html-bundle");
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TQStringList langs = TDEGlobal::locale()->languageList();
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langs.append( "en" );
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langs.remove( "C" );
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// this is kind of compat hack as we install our docs in en/ but the
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// default language is en_US
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for (TQStringList::Iterator it = langs.begin(); it != langs.end(); ++it)
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if ( *it == "en_US" )
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*it = "en";
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// look up the different languages
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int ldCount = localDoc.count();
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for (int id=0; id < ldCount; id++)
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{
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TQStringList::ConstIterator lang;
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for (lang = langs.begin(); lang != langs.end(); ++lang)
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search.append(TQString("%1%2/%3").arg(localDoc[id], *lang, fname));
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}
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// try to locate the file
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TQStringList::Iterator it;
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for (it = search.begin(); it != search.end(); ++it)
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{
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kdDebug( 7119 ) << "Looking for help in: " << *it << endl;
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TQFileInfo info(*it);
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if (info.exists() && info.isFile() && info.isReadable())
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return *it;
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if ( ( *it ).right( 5 ) == ".html" )
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{
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TQString file = (*it).left((*it).findRev('/')) + "/index.docbook";
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kdDebug( 7119 ) << "Looking for help in: " << file << endl;
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info.setFile(file);
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if (info.exists() && info.isFile() && info.isReadable())
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return *it;
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}
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}
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return TQString::null;
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}
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TQString HelpProtocol::lookupFile(const TQString &fname, const TQString &query, bool &redirect)
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{
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redirect = false;
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TQString result = langLookup(fname);
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if (result.isEmpty())
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{
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result = langLookup(fname+"/index.html");
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if (!result.isEmpty())
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{
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KURL red("help:/");
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red.setPath( fname+"/index.html" );
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red.setQuery( query );
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redirection(red);
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kdDebug( 7119 ) << "redirect to " << red.url() << endl;
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redirect = true;
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}
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else
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{
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const TQString helpNotFound("khelpcenter/helpnotfound/index.html");
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result = langLookup(helpNotFound);
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if (!result.isEmpty())
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{
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KURL red("help:/");
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red.setPath(helpNotFound);
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red.setQuery(query);
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redirection(red);
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kdDebug( 7119 ) << "redirect to " << red.url() << endl;
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redirect = true;
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}
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else
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{
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unicodeError(i18n("Sorry, there is no documentation available at all for %1." ).arg(fname));
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finished();
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return TQString::null;
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}
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}
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} else
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kdDebug( 7119 ) << "result " << result << endl;
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return result;
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}
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void HelpProtocol::unicodeError( const TQString &t )
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{
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data(fromUnicode( TQString(
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"<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=%1\"></head>\n"
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"%2</html>" ).arg( TQTextCodec::codecForLocale()->name() ).arg( t ) ) );
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}
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HelpProtocol *slave = 0;
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HelpProtocol::HelpProtocol( bool ghelp, const TQCString &pool, const TQCString &app )
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: SlaveBase( ghelp ? "ghelp" : "help", pool, app ), mGhelp( ghelp )
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{
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slave = this;
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}
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void HelpProtocol::get( const KURL& url )
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{
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kdDebug( 7119 ) << "get: path=" << url.path()
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<< " query=" << url.query() << endl;
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bool redirect;
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TQString doc;
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doc = url.path();
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if ( !mGhelp ) {
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if (doc.at(0) != '/')
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doc = doc.prepend('/');
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if (doc.at(doc.length() - 1) == '/')
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doc += "index.html";
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}
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infoMessage(i18n("Looking up correct file"));
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if ( !mGhelp ) {
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doc = lookupFile(doc, url.query(), redirect);
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if (redirect)
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{
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finished();
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return;
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}
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}
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if (doc.isEmpty())
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{
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error( TDEIO::ERR_DOES_NOT_EXIST, url.url() );
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return;
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}
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mimeType("text/html");
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KURL target;
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target.setPath(doc);
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if (url.hasHTMLRef())
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target.setHTMLRef(url.htmlRef());
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kdDebug( 7119 ) << "target " << target.url() << endl;
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TQString file = target.path();
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if ( mGhelp ) {
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if ( file.right( 4 ) != ".xml" ) {
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get_file( target );
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return;
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}
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} else {
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TQString docbook_file = file.left(file.findRev('/')) + "/index.docbook";
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if (!TDEStandardDirs::exists(file)) {
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file = docbook_file;
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} else {
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TQFileInfo fi(file);
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if (fi.isDir()) {
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file = file + "/index.docbook";
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} else {
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if ( file.right( 5 ) != ".html" || !compareTimeStamps( file, docbook_file ) ) {
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get_file( target );
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return;
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} else
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file = docbook_file;
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}
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}
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}
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infoMessage(i18n("Preparing document"));
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if ( mGhelp ) {
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TQString xsl = "customization/tde-nochunk.xsl";
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mParsed = transform(file, locate("dtd", xsl));
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kdDebug( 7119 ) << "parsed " << mParsed.length() << endl;
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if (mParsed.isEmpty()) {
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unicodeError( i18n( "The requested help file could not be parsed:<br>%1" ).arg( file ) );
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} else {
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int pos1 = mParsed.find( "charset=" );
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if ( pos1 > 0 ) {
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int pos2 = mParsed.find( '"', pos1 );
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if ( pos2 > 0 ) {
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mParsed.replace( pos1, pos2 - pos1, "charset=UTF-8" );
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}
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}
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data( mParsed.utf8() );
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}
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} else {
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kdDebug( 7119 ) << "look for cache for " << file << endl;
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mParsed = lookForCache( file );
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kdDebug( 7119 ) << "cached parsed " << mParsed.length() << endl;
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if ( mParsed.isEmpty() ) {
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mParsed = transform(file, locate("dtd", "customization/tde-chunk.xsl"));
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if ( !mParsed.isEmpty() ) {
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infoMessage( i18n( "Saving to cache" ) );
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TQString cache = file.left( file.length() - 7 );
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saveToCache( mParsed, locateLocal( "cache",
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"tdeio_help" + cache +
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"cache.bz2" ) );
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}
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} else infoMessage( i18n( "Using cached version" ) );
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kdDebug( 7119 ) << "parsed " << mParsed.length() << endl;
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if (mParsed.isEmpty()) {
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unicodeError( i18n( "The requested help file could not be parsed:<br>%1" ).arg( file ) );
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} else {
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TQString query = url.query(), anchor;
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// if we have a query, look if it contains an anchor
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if (!query.isEmpty())
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if (query.left(8) == "?anchor=") {
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anchor = query.mid(8).lower();
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KURL redirURL(url);
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redirURL.setQuery(TQString::null);
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redirURL.setHTMLRef(anchor);
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redirection(redirURL);
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finished();
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return;
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}
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if (anchor.isEmpty() && url.hasHTMLRef())
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anchor = url.htmlRef();
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kdDebug( 7119 ) << "anchor: " << anchor << endl;
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if ( !anchor.isEmpty() )
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{
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int index = 0;
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while ( true ) {
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index = mParsed.find( TQRegExp( "<a name=" ), index);
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if ( index == -1 ) {
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kdDebug( 7119 ) << "no anchor\n";
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break; // use whatever is the target, most likely index.html
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}
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if ( mParsed.mid( index, 11 + anchor.length() ).lower() ==
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TQString( "<a name=\"%1\">" ).arg( anchor ) )
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{
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index = mParsed.findRev( "<FILENAME filename=", index ) +
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strlen( "<FILENAME filename=\"" );
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TQString filename=mParsed.mid( index, 2000 );
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filename = filename.left( filename.find( '\"' ) );
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TQString path = target.path();
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path = path.left( path.findRev( '/' ) + 1) + filename;
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kdDebug( 7119 ) << "anchor found in " << path <<endl;
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target.setPath( path );
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break;
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}
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index++;
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}
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}
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emitFile( target );
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}
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}
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finished();
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}
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void HelpProtocol::emitFile( const KURL& url )
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{
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infoMessage(i18n("Looking up section"));
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TQString filename = url.path().mid(url.path().findRev('/') + 1);
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int index = mParsed.find(TQString("<FILENAME filename=\"%1\"").arg(filename));
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if (index == -1) {
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if ( filename == "index.html" ) {
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data( fromUnicode( mParsed ) );
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return;
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}
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unicodeError( i18n("Could not find filename %1 in %2.").arg(filename).arg( url.url() ) );
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return;
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}
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TQString filedata = splitOut(mParsed, index);
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replaceCharsetHeader( filedata );
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data( fromUnicode( filedata ) );
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data( TQByteArray() );
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}
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void HelpProtocol::mimetype( const KURL &)
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{
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|
|
mimeType("text/html");
|
|
|
|
|
finished();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Copied from tdeio_file to avoid redirects
|
|
|
|
|
|
|
|
|
|
#define MAX_IPC_SIZE (1024*32)
|
|
|
|
|
|
|
|
|
|
void HelpProtocol::get_file( const KURL& url )
|
|
|
|
|
{
|
|
|
|
|
kdDebug( 7119 ) << "get_file " << url.url() << endl;
|
|
|
|
|
|
|
|
|
|
TQCString _path( TQFile::encodeName(url.path()));
|
|
|
|
|
struct stat buff;
|
|
|
|
|
if ( ::stat( _path.data(), &buff ) == -1 ) {
|
|
|
|
|
if ( errno == EACCES )
|
|
|
|
|
error( TDEIO::ERR_ACCESS_DENIED, url.path() );
|
|
|
|
|
else
|
|
|
|
|
error( TDEIO::ERR_DOES_NOT_EXIST, url.path() );
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( S_ISDIR( buff.st_mode ) ) {
|
|
|
|
|
error( TDEIO::ERR_IS_DIRECTORY, url.path() );
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if ( S_ISFIFO( buff.st_mode ) || S_ISSOCK ( buff.st_mode ) ) {
|
|
|
|
|
error( TDEIO::ERR_CANNOT_OPEN_FOR_READING, url.path() );
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int fd = open( _path.data(), O_RDONLY);
|
|
|
|
|
if ( fd < 0 ) {
|
|
|
|
|
error( TDEIO::ERR_CANNOT_OPEN_FOR_READING, url.path() );
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
totalSize( buff.st_size );
|
|
|
|
|
int processed_size = 0;
|
|
|
|
|
|
|
|
|
|
char buffer[ MAX_IPC_SIZE ];
|
|
|
|
|
TQByteArray array;
|
|
|
|
|
|
|
|
|
|
while( 1 )
|
|
|
|
|
{
|
|
|
|
|
int n = ::read( fd, buffer, MAX_IPC_SIZE );
|
|
|
|
|
if (n == -1)
|
|
|
|
|
{
|
|
|
|
|
if (errno == EINTR)
|
|
|
|
|
continue;
|
|
|
|
|
error( TDEIO::ERR_COULD_NOT_READ, url.path());
|
|
|
|
|
close(fd);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if (n == 0)
|
|
|
|
|
break; // Finished
|
|
|
|
|
|
|
|
|
|
array.setRawData(buffer, n);
|
|
|
|
|
data( array );
|
|
|
|
|
array.resetRawData(buffer, n);
|
|
|
|
|
|
|
|
|
|
processed_size += n;
|
|
|
|
|
processedSize( processed_size );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
data( TQByteArray() );
|
|
|
|
|
|
|
|
|
|
close( fd );
|
|
|
|
|
|
|
|
|
|
processedSize( buff.st_size );
|
|
|
|
|
|
|
|
|
|
finished();
|
|
|
|
|
}
|
