Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 261 insertions, 0 deletions

diff --git a/kioslave/info/info.cc b/kioslave/info/info.cc
new file mode 100644
index 000000000..6b829ec1c
--- /dev/null
+++ b/kioslave/info/info.cc
@@ -0,0 +1,261 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include <qdir.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qregexp.h>
+
+#include <kdebug.h>
+#include <kprocess.h>
+#include <kstandarddirs.h>
+#include <kiconloader.h>
+#include <kinstance.h>
+#include <klocale.h>
+
+#include "info.h"
+
+using namespace KIO;
+
+InfoProtocol::InfoProtocol( const QCString &pool, const QCString &app )
+    : SlaveBase( "info", pool, app )
+    , m_page( "" )
+    , m_node( "" )
+{
+    kdDebug( 7108 ) << "InfoProtocol::InfoProtocol" << endl;
+
+    m_perl = KGlobal::dirs()->findExe( "perl" );
+    m_infoScript = locate( "data", "kio_info/kde-info2html" );
+    m_infoConf = locate("data", "kio_info/kde-info2html.conf");
+
+    if( m_perl.isNull() || m_infoScript.isNull() || m_infoConf.isNull() ) {
+	kdError( 7108 ) << "Critical error: Cannot locate files for HTML-conversion" << endl;
+	QString errorStr;
+	if ( m_perl.isNull() ) {
+		errorStr = "perl.";
+	} else {
+		QString missing =m_infoScript.isNull() ?  "kio_info/kde-info2html" : "kio_info/kde-info2html.conf";
+		errorStr = "kde-info2html" + i18n( "\nUnable to locate file %1 which is necessary to run this service. "
+				"Please check your software installation" ).arg( missing );
+	}
+	error( KIO::ERR_CANNOT_LAUNCH_PROCESS, errorStr );
+	exit();
+    }
+
+    kdDebug( 7108 ) << "InfoProtocol::InfoProtocol - done" << endl;
+}
+
+InfoProtocol::~InfoProtocol()
+{
+    kdDebug( 7108 ) << "InfoProtocol::~InfoProtocol" << endl;
+
+    kdDebug( 7108 ) << "InfoProtocol::~InfoProtocol - done" << endl;
+}
+
+void InfoProtocol::get( const KURL& url )
+{
+    kdDebug( 7108 ) << "InfoProtocol::get" << endl;
+    kdDebug( 7108 ) << "URL: " << url.prettyURL() << " , Path :" << url.path() << endl;
+
+    if (url.path()=="/")
+    {
+       KURL newUrl("info:/dir");
+       redirection(newUrl);
+       finished();
+       return;
+    };
+
+    // some people write info://autoconf instead of info:/autoconf
+    if (!url.host().isEmpty()) {
+        KURL newURl(url);
+        newURl.setPath(url.host()+url.path());
+        newURl.setHost(QString::null);
+        redirection(newURl);
+        finished();
+        return;
+    }
+
+    if ( url.path().right(1) == "/" )
+    {
+        // Trailing / are not supported, so we need to remove them.
+        KURL newUrl( url );
+        QString newPath( url.path() );
+        newPath.truncate( newPath.length()-1 );
+        newUrl.setPath( newPath );
+        redirection( newUrl );
+        finished();
+        return;
+    }
+
+    mimeType("text/html");
+    // extract the path and node from url
+    decodeURL( url );
+
+    QString path = KGlobal::iconLoader()->iconPath("up", KIcon::Toolbar, true);
+    int revindex = path.findRev('/');
+    path = path.left(revindex);
+
+    QString cmd = KProcess::quote(m_perl);
+    cmd += " ";
+    cmd += KProcess::quote(m_infoScript);
+    cmd += " ";
+    cmd += KProcess::quote(m_infoConf);
+    cmd += " ";
+    cmd += KProcess::quote(path);
+    cmd += " ";
+    cmd += KProcess::quote(m_page);
+    cmd += " ";
+    cmd += KProcess::quote(m_node);
+
+    kdDebug( 7108 ) << "cmd: " << cmd << endl;
+
+    FILE *file = popen( QFile::encodeName(cmd), "r" );
+    if ( !file ) {
+        kdDebug( 7108 ) << "InfoProtocol::get popen failed" << endl;
+        error( ERR_CANNOT_LAUNCH_PROCESS, cmd );
+        return;
+    }
+
+    char buffer[ 4096 ];
+    QByteArray array;
+
+    bool empty = true;
+    while ( !feof( file ) )
+    {
+      int n = fread( buffer, 1, sizeof( buffer ), file );
+      if ( !n && feof( file ) && empty ) {
+	      error( ERR_CANNOT_LAUNCH_PROCESS, cmd );
+	      return;
+      }
+      if ( n < 0 )
+      {
+        // ERROR
+	kdDebug( 7108 ) << "InfoProtocol::get ERROR!" << endl;
+        pclose( file );
+	return;
+      }
+
+      empty = false;
+      array.setRawData( buffer, n );
+      data( array );
+      array.resetRawData( buffer, n );
+    }
+
+    pclose( file );
+
+    finished();
+
+    kdDebug( 7108 ) << "InfoProtocol::get - done" << endl;
+}
+
+void InfoProtocol::mimetype( const KURL& /* url */ )
+{
+    kdDebug( 7108 ) << "InfoProtocol::mimetype" << endl;
+
+    // to get rid of those "Open with" dialogs...
+    mimeType( "text/html" );
+
+    // finish action
+    finished();
+
+    kdDebug( 7108 ) << "InfoProtocol::mimetype - done" << endl;
+}
+
+void InfoProtocol::decodeURL( const KURL &url )
+{
+    kdDebug( 7108 ) << "InfoProtocol::decodeURL" << endl;
+
+    /* Notes:
+     * 
+     * I cleaned up the URL decoding and chose not to support URLs in the
+     * form "info:/usr/local/share/info/libc.info.gz" or similar which the
+     * older code attempted (and failed, maybe it had worked once) to do.
+     *
+     * The reason is that an obvious use such as viewing a info file off your
+     * infopath would work for the first page, but then all the links would be
+     * wrong. Of course, one could change kde-info2html to make it work, but I don't
+     * think it worthy, others are free to disagree and write the necessary code ;)
+     *
+     * luis pedro
+     */
+
+    if ( url == KURL( "info:/browse_by_file?special=yes" ) ) {
+	    m_page = "#special#";
+	    m_node = "browse_by_file";
+	    kdDebug( 7108 ) << "InfoProtocol::decodeURL - special - browse by file" << endl;
+	    return;
+    }
+
+    decodePath( url.path() );
+
+    kdDebug( 7108 ) << "InfoProtocol::decodeURL - done" << endl;
+}
+
+void InfoProtocol::decodePath( QString path )
+{
+    kdDebug( 7108 ) << "InfoProtocol::decodePath(-" <<path<<"-)"<< endl;
+
+    m_page = "dir";  //default
+    m_node = "";
+
+    // remove leading slash
+    if ('/' == path[0]) {
+      path = path.mid( 1 );
+    }
+    //kdDebug( 7108 ) << "Path: " << path << endl;
+
+    int slashPos = path.find( "/" );
+
+    if( slashPos < 0 )
+    {
+	m_page = path;
+	m_node = "Top";
+	return;
+    }
+
+    m_page = path.left( slashPos );
+
+    // remove leading+trailing whitespace
+    m_node = path.right( path.length() - slashPos - 1).stripWhiteSpace ();
+
+    kdDebug( 7108 ) << "InfoProtocol::decodePath - done" << endl;
+}
+
+// A minimalistic stat with only the file type
+// This seems to be enough for konqueror
+void InfoProtocol::stat( const KURL & )
+{
+	UDSEntry uds_entry;
+	UDSAtom  uds_atom;
+
+	// Regular file with rwx permission for all
+	uds_atom.m_uds = KIO::UDS_FILE_TYPE;
+	uds_atom.m_long = S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO;
+
+	uds_entry.append( uds_atom );
+
+	statEntry( uds_entry );
+
+	finished();
+}
+
+extern "C" { int KDE_EXPORT kdemain( int argc, char **argv ); }
+
+int kdemain( int argc, char **argv )
+{
+  KInstance instance( "kio_info" );
+
+  kdDebug() << "kio_info starting " << getpid() << endl;
+
+  if (argc != 4)
+  {
+     fprintf(stderr, "Usage: kio_info protocol domain-socket1 domain-socket2\n");
+     exit(-1);
+  }
+
+  InfoProtocol slave( argv[2], argv[3] );
+  slave.dispatchLoop();
+
+  return 0;
+}