Diffstat (limited to 'noncore/apps/checkbook/config.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/checkbook/config.cpp | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/noncore/apps/checkbook/config.cpp b/noncore/apps/checkbook/config.cpp deleted file mode 100644 index e6c6dcc..0000000 --- a/noncore/apps/checkbook/config.cpp +++ b/dev/null @@ -1,560 +0,0 @@ -/********************************************************************** -** Copyright (C) 2000 Trolltech AS. All rights reserved. -** -** This file is part of Qtopia Environment. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** See http://www.trolltech.com/gpl/ for GPL licensing information. -** -** Contact info@trolltech.com if any conditions of this licensing are -** not clear to you. -** -**********************************************************************/ - -#include <qdir.h> -#include <qfile.h> -#include <qfileinfo.h> -#include <qmessagebox.h> -#if QT_VERSION <= 230 && defined(QT_NO_CODECS) -#include <qtextcodec.h> -#endif -#include <qtextstream.h> - -#include <sys/stat.h> -#include <sys/types.h> -#include <fcntl.h> -#include <stdlib.h> -#include <unistd.h> - -#include "config.h" - - -/*! - \internal -*/ -QString Config::configFilename(const QString& name, Domain d) -{ - switch (d) { - case File: - return name; - case User: { - QDir dir = (QString(getenv("HOME")) + "/Settings"); - if ( !dir.exists() ) - mkdir(dir.path().local8Bit(),0700); - return dir.path() + "/" + name + ".conf"; - } - } - return name; -} - -/*! - \class Config config.h - \brief The Config class provides for saving application cofniguration state. - - You should keep a Config in existence only while you do not want others - to be able to change the state. There is no locking currently, but there - may be in the future. -*/ - -/*! - \enum Config::ConfigGroup - \internal -*/ - -/*! - \enum Config::Domain - - \value File - \value User - - See Config for details. -*/ - -/*! - Constructs a config that will load or create a configuration with the - given \a name in the given \a domain. - - You must call setGroup() before doing much else with the Config. - - In the default Domain, \e User, - the configuration is user-specific. \a name should not contain "/" in - this case, and in general should be the name of the C++ class that is - primarily responsible for maintaining the configuration. - - In the File Domain, \a name is an absolute filename. -*/ -Config::Config( const QString &name, Domain domain ) - : filename( configFilename(name,domain) ) -{ - git = groups.end(); - read(); - - lang = getenv("LANG"); - int i = lang.find("."); - if ( i > 0 ) - lang = lang.left( i ); - i = lang.find( "_" ); - if ( i > 0 ) - glang = lang.left(i); -} - -/*! - Writes any changes to disk and destroys the in-memory object. -*/ -Config::~Config() -{ - if ( changed ) - write(); -} - -/*! - Returns whether the current group has an entry called \a key. -*/ -bool Config::hasKey( const QString &key ) const -{ - if ( groups.end() == git ) - return FALSE; - ConfigGroup::ConstIterator it = ( *git ).find( key ); - return it != ( *git ).end(); -} - -/*! - Sets the current group for subsequent reading and writing of - entries to \a gname. Grouping allows the application to partition the namespace. - - This function must be called prior to any reading or writing - of entries. - - The \a gname must not be empty. -*/ -void Config::setGroup( const QString &gname ) -{ - QMap< QString, ConfigGroup>::Iterator it = groups.find( gname ); - if ( it == groups.end() ) { - git = groups.insert( gname, ConfigGroup() ); - changed = TRUE; - return; - } - git = it; -} - -/*! - Writes a (\a key, \a value) entry to the current group. - - \sa readEntry() -*/ -void Config::writeEntry( const QString &key, const char* value ) -{ - writeEntry(key,QString(value)); -} - -/*! - Writes a (\a key, \a value) entry to the current group. - - \sa readEntry() -*/ -void Config::writeEntry( const QString &key, const QString &value ) -{ - if ( git == groups.end() ) { - qWarning( "no group set" ); - return; - } - if ( (*git)[key] != value ) { - ( *git ).insert( key, value ); - changed = TRUE; - } -} - -/* - Note that the degree of protection offered by the encryption here is - only sufficient to avoid the most casual observation of the configuration - files. People with access to the files can write down the contents and - decrypt it using this source code. - - Conceivably, and at some burden to the user, this encryption could - be improved. -*/ -static QString encipher(const QString& plain) -{ - // mainly, we make it long - QString cipher; - int mix=28730492; - for (int i=0; i<(int)plain.length(); i++) { - int u = plain[i].unicode(); - int c = u ^ mix; - QString x = QString::number(c,36); - cipher.append(QChar('a'+x.length())); - cipher.append(x); - mix *= u; - } - return cipher; -} - -static QString decipher(const QString& cipher) -{ - QString plain; - int mix=28730492; - for (int i=0; i<(int)cipher.length();) { - int l = cipher[i].unicode()-'a'; - QString x = cipher.mid(i+1,l); i+=l+1; - int u = x.toInt(0,36) ^ mix; - plain.append(QChar(u)); - mix *= u; - } - return plain; -} - -/*! - Writes an encrypted (\a key, \a value) entry to the current group. - - Note that the degree of protection offered by the encryption is - only sufficient to avoid the most casual observation of the configuration - files. - - \sa readEntry() -*/ -void Config::writeEntryCrypt( const QString &key, const QString &value ) -{ - if ( git == groups.end() ) { - qWarning( "no group set" ); - return; - } - QString evalue = encipher(value); - if ( (*git)[key] != evalue ) { - ( *git ).insert( key, evalue ); - changed = TRUE; - } -} - -/*! - Writes a (\a key, \a num) entry to the current group. - - \sa readNumEntry() -*/ -void Config::writeEntry( const QString &key, int num ) -{ - QString s; - s.setNum( num ); - writeEntry( key, s ); -} - -#ifdef Q_HAS_BOOL_TYPE -/*! - Writes a (\a key, \a b) entry to the current group. This is equivalent - to writing a 0 or 1 as an integer entry. - - \sa readBoolEntry() -*/ -void Config::writeEntry( const QString &key, bool b ) -{ - QString s; - s.setNum( ( int )b ); - writeEntry( key, s ); -} -#endif - -/*! - Writes a (\a key, \a lst) entry to the current group. The list - is separated by \a sep, so the strings must not contain that character. - - \sa readListEntry() -*/ -void Config::writeEntry( const QString &key, const QStringList &lst, const QChar &sep ) -{ - QString s; - QStringList::ConstIterator it = lst.begin(); - for ( ; it != lst.end(); ++it ) - s += *it + sep; - writeEntry( key, s ); -} - -/*! - Removes the \a key entry from the current group. Does nothing if - there is no such entry. -*/ - -void Config::removeEntry( const QString &key ) -{ - if ( git == groups.end() ) { - qWarning( "no group set" ); - return; - } - ( *git ).remove( key ); - changed = TRUE; -} - -/*! - \fn bool Config::operator == ( const Config & other ) const - - Tests for equality with \a other. Config objects are equal if they refer to the same filename. -*/ - -/*! - \fn bool Config::operator != ( const Config & other ) const - - Tests for inequality with \a other. Config objects are equal if they refer to the same filename. -*/ - -/*! - \fn QString Config::readEntry( const QString &key, const QString &deflt ) const - - Reads a string entry stored with \a key, defaulting to \a deflt if there is no entry. -*/ - -/*! - \internal - For compatibility, non-const version. -*/ -QString Config::readEntry( const QString &key, const QString &deflt ) -{ - QString res = readEntryDirect( key+"["+lang+"]" ); - if ( !res.isNull() ) - return res; - if ( !glang.isEmpty() ) { - res = readEntryDirect( key+"["+glang+"]" ); - if ( !res.isNull() ) - return res; - } - return readEntryDirect( key, deflt ); -} - -/*! - \fn QString Config::readEntryCrypt( const QString &key, const QString &deflt ) const - - Reads an encrypted string entry stored with \a key, defaulting to \a deflt if there is no entry. -*/ - -/*! - \internal - For compatibility, non-const version. -*/ -QString Config::readEntryCrypt( const QString &key, const QString &deflt ) -{ - QString res = readEntryDirect( key+"["+lang+"]" ); - if ( res.isNull() && glang.isEmpty() ) - res = readEntryDirect( key+"["+glang+"]" ); - if ( res.isNull() ) - res = readEntryDirect( key, QString::null ); - if ( res.isNull() ) - return deflt; - return decipher(res); -} - -/*! - \fn QString Config::readEntryDirect( const QString &key, const QString &deflt ) const - \internal -*/ - -/*! - \internal - For compatibility, non-const version. -*/ -QString Config::readEntryDirect( const QString &key, const QString &deflt ) -{ - if ( git == groups.end() ) { - //qWarning( "no group set" ); - return deflt; - } - ConfigGroup::ConstIterator it = ( *git ).find( key ); - if ( it != ( *git ).end() ) - return *it; - else - return deflt; -} - -/*! - \fn int Config::readNumEntry( const QString &key, int deflt ) const - Reads a numeric entry stored with \a key, defaulting to \a deflt if there is no entry. -*/ - -/*! - \internal - For compatibility, non-const version. -*/ -int Config::readNumEntry( const QString &key, int deflt ) -{ - QString s = readEntry( key ); - if ( s.isEmpty() ) - return deflt; - else - return s.toInt(); -} - -/*! - \fn bool Config::readBoolEntry( const QString &key, bool deflt ) const - Reads a bool entry stored with \a key, defaulting to \a deflt if there is no entry. -*/ - -/*! - \internal - For compatibility, non-const version. -*/ -bool Config::readBoolEntry( const QString &key, bool deflt ) -{ - QString s = readEntry( key ); - if ( s.isEmpty() ) - return deflt; - else - return (bool)s.toInt(); -} - -/*! - \fn QStringList Config::readListEntry( const QString &key, const QChar &sep ) const - Reads a string list entry stored with \a key, and with \a sep as the separator. -*/ - -/*! - \internal - For compatibility, non-const version. -*/ - -/*! - Removes all entries from the current group. -*/ -void Config::clearGroup() -{ - if ( git == groups.end() ) { - qWarning( "no group set" ); - return; - } - if ( !(*git).isEmpty() ) { - ( *git ).clear(); - changed = TRUE; - } -} - -void Config::removeGroup() -{ - if ( git == groups.end() ) { - qWarning( "no group set" ); - return; - } - - groups.remove(git); - changed = TRUE; -} - -/*! - \internal -*/ -void Config::write( const QString &fn ) -{ - QString strNewFile; - if ( !fn.isEmpty() ) - filename = fn; - strNewFile = filename + ".new"; - - QFile f( strNewFile ); - if ( !f.open( IO_WriteOnly|IO_Raw ) ) { - qWarning( "could not open for writing `%s'", strNewFile.latin1() ); - git = groups.end(); - return; - } - - QString str; - QCString cstr; - QMap< QString, ConfigGroup >::Iterator g_it = groups.begin(); - - for ( ; g_it != groups.end(); ++g_it ) { - str += "[" + g_it.key() + "]\n"; - ConfigGroup::Iterator e_it = ( *g_it ).begin(); - for ( ; e_it != ( *g_it ).end(); ++e_it ) - str += e_it.key() + " = " + *e_it + "\n"; - } - cstr = str.utf8(); - - int total_length; - total_length = f.writeBlock( cstr.data(), cstr.length() ); - if ( total_length != int(cstr.length()) ) { - QMessageBox::critical( 0, QObject::tr("Out of Space"), - QObject::tr("There was a problem creating\nConfiguration Information \nfor this program.\n\nPlease free up some space and\ntry again.") ); - f.close(); - QFile::remove( strNewFile ); - return; - } - - f.close(); - // now rename the file... - if ( rename( strNewFile, filename ) < 0 ) { - qWarning( "problem renaming the file %s to %s", strNewFile.latin1(), - filename.latin1() ); - QFile::remove( strNewFile ); - } -} - -/*! - Returns whether the Config is in a valid state. -*/ -bool Config::isValid() const -{ - return groups.end() != git; -} - -/*! - \internal -*/ -void Config::read() -{ - changed = FALSE; - - if ( !QFileInfo( filename ).exists() ) { - git = groups.end(); - return; - } - - QFile f( filename ); - if ( !f.open( IO_ReadOnly ) ) { - git = groups.end(); - return; - } - - QTextStream s( &f ); -#if QT_VERSION <= 230 && defined(QT_NO_CODECS) - // The below should work, but doesn't in Qt 2.3.0 - s.setCodec( QTextCodec::codecForMib( 106 ) ); -#else - s.setEncoding( QTextStream::UnicodeUTF8 ); -#endif - - QStringList list = QStringList::split('\n', s.read() ); - f.close(); - - for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it ) { - if ( !parse( *it ) ) { - git = groups.end(); - return; - } - } -} - -/*! - \internal -*/ -bool Config::parse( const QString &l ) -{ - QString line = l.stripWhiteSpace(); - if ( line[ 0 ] == QChar( '[' ) ) { - QString gname = line; - gname = gname.remove( 0, 1 ); - if ( gname[ (int)gname.length() - 1 ] == QChar( ']' ) ) - gname = gname.remove( gname.length() - 1, 1 ); - git = groups.insert( gname, ConfigGroup() ); - } else if ( !line.isEmpty() ) { - if ( git == groups.end() ) - return FALSE; - int eq = line.find( '=' ); - if ( eq == -1 ) - return FALSE; - QString key = line.left(eq).stripWhiteSpace(); - QString value = line.mid(eq+1).stripWhiteSpace(); - ( *git ).insert( key, value ); - } - return TRUE; -} |