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130 lines
3.9 KiB
130 lines
3.9 KiB
/* This file is part of the KDE project
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* Copyright (C) 2002 Nadeem Hasan <nhasan@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "kfile_txt.h"
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#include <kgenericfactory.h>
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#include <kdebug.h>
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#include <tqfile.h>
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#include <tqstringlist.h>
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#include <tqregexp.h>
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typedef KGenericFactory<KTxtPlugin> TxtFactory;
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K_EXPORT_COMPONENT_FACTORY(kfile_txt, TxtFactory("kfile_txt"))
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KTxtPlugin::KTxtPlugin(TQObject *parent, const char *name,
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const TQStringList &args) : KFilePlugin(parent, name, args)
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{
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kdDebug(7034) << "Text file meta info plugin\n";
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makeMimeTypeInfo( "text/plain" );
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}
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void KTxtPlugin::makeMimeTypeInfo(const TQString& mimeType)
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{
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KFileMimeTypeInfo* info = addMimeTypeInfo(mimeType);
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KFileMimeTypeInfo::GroupInfo* group =
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addGroupInfo(info, "General", i18n("General"));
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KFileMimeTypeInfo::ItemInfo* item;
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item = addItemInfo(group, "Lines", i18n("Lines"), TQVariant::Int);
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setAttributes(item, KFileMimeTypeInfo::Averaged);
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item = addItemInfo(group, "Words", i18n("Words"), TQVariant::Int);
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setAttributes(item, KFileMimeTypeInfo::Averaged);
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item = addItemInfo(group, "Characters", i18n("Characters"), TQVariant::ULongLong);
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setAttributes(item, KFileMimeTypeInfo::Averaged);
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item = addItemInfo(group, "Format", i18n("Format"), TQVariant::String);
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}
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bool KTxtPlugin::readInfo(KFileMetaInfo& info, uint)
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{
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if ( info.path().isEmpty() ) // remote file
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return false;
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TQFile f(info.path());
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if (!f.open(IO_ReadOnly))
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return false;
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bool firstline = true;
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int totLines = 0;
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int totWords = 0;
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unsigned long long totChars = f.size();
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TQString fileFormat;
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TQString line;
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bool skipTotals = (totChars > 100*1024); // 100K is the max we read
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unsigned int bytesRead = 0;
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while (!f.atEnd())
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{
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f.readLine(line, 4096);
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int len = line.length();
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// The checks below are necessary to handle embedded NULLs
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// TQFile::readLine() does not handle them well
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bytesRead += len;
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if (bytesRead > totChars)
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break;
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if (len == 0)
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break;
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if (firstline)
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{
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firstline = false;
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if (line[len-1]=='\n')
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{
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if (len>=2 && line[len-2]=='\r')
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fileFormat = i18n("DOS");
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else
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fileFormat = i18n("UNIX");
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}
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else if (line[len-1]=='\r')
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fileFormat = i18n("Macintosh");
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if (skipTotals)
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break;
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}
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totWords += (TQStringList::split(TQRegExp("\\s+"), line)).count();
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totLines++;
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}
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if (fileFormat.isEmpty())
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fileFormat = i18n("Unknown");
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kdDebug(7034) << "Lines: " << totLines << endl;
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kdDebug(7034) << "Words: " << totWords << endl;
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kdDebug(7034) << "Characters: " << totChars << endl;
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kdDebug(7034) << "fileFormat: " << fileFormat << endl;
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KFileMetaInfoGroup group = appendGroup(info, "General");
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if (!skipTotals)
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{
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appendItem(group, "Lines", totLines);
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appendItem(group, "Words", totWords);
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}
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appendItem(group, "Characters", totChars);
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appendItem(group, "Format", fileFormat);
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return true;
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}
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#include "kfile_txt.moc"
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