/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include <comphelper/processfactory.hxx>
#include <unotools/charclass.hxx>
#include <rtl/character.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <com/sun/star/i18n/CharacterClassification.hpp>
#include <utility>
using namespace ::com::sun::star;
using namespace ::com::sun::star::i18n;
using namespace ::com::sun::star::uno;
CharClass::CharClass(
const Reference< uno::XComponentContext > & rxContext,
LanguageTag aLanguageTag
)
: maLanguageTag(std::move( aLanguageTag))
{
xCC = CharacterClassification::create( rxContext );
}
CharClass::CharClass( LanguageTag aLanguageTag )
: maLanguageTag(std::move( aLanguageTag))
{
xCC = CharacterClassification::create( comphelper::getProcessComponentContext() );
}
CharClass::~CharClass()
{
}
const LanguageTag& CharClass::getLanguageTag() const
{
return maLanguageTag;
}
const css::lang::Locale& CharClass::getMyLocale() const
{
return maLanguageTag.getLocale();
}
// static
bool CharClass::isAsciiNumeric( std::u16string_view rStr )
{
if ( rStr.empty() )
return false ;
const sal_Unicode* p = rStr.data();
const sal_Unicode* const pStop = p + rStr.size();
do
{
if ( !rtl::isAsciiDigit( *p ) )
return false ;
}
while ( ++p < pStop );
return true ;
}
// static
bool CharClass::isAsciiAlpha( std::u16string_view rStr )
{
if ( rStr.empty() )
return false ;
const sal_Unicode* p = rStr.data();
const sal_Unicode* const pStop = p + rStr.size();
do
{
if ( !rtl::isAsciiAlpha( *p ) )
return false ;
}
while ( ++p < pStop );
return true ;
}
bool CharClass::isAlpha( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiAlpha( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) &
nCharClassAlphaType) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isLetter( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiAlpha( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) &
nCharClassLetterType) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isLetter( const OUString& rStr ) const
{
if (rStr.isEmpty())
return false ;
try
{
sal_Int32 nPos = 0 ;
while (nPos < rStr.getLength())
{
if (!isLetter( rStr, nPos))
return false ;
rStr.iterateCodePoints( &nPos);
}
return true ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isDigit( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[ nPos ];
if ( c < 128 )
return rtl::isAsciiDigit( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) &
KCharacterType::DIGIT) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isNumeric( const OUString& rStr ) const
{
if (rStr.isEmpty())
return false ;
try
{
sal_Int32 nPos = 0 ;
while (nPos < rStr.getLength())
{
if (!isDigit( rStr, nPos))
return false ;
rStr.iterateCodePoints( &nPos);
}
return true ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isAlphaNumeric( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiAlphanumeric( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) &
(nCharClassAlphaType | nCharClassNumericType)) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isLetterNumeric( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiAlphanumeric( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) &
(nCharClassLetterType | nCharClassNumericType)) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isLetterNumeric( const OUString& rStr ) const
{
if (rStr.isEmpty())
return false ;
try
{
sal_Int32 nPos = 0 ;
while (nPos < rStr.getLength())
{
if (!isLetterNumeric( rStr, nPos))
return false ;
rStr.iterateCodePoints( &nPos);
}
return true ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isBase( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiAlphanumeric( c );
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & nCharClassBaseType ) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
bool CharClass::isUpper( const OUString& rStr, sal_Int32 nPos ) const
{
sal_Unicode c = rStr[nPos];
if ( c < 128 )
return rtl::isAsciiUpperCase(c);
try
{
return (xCC->getCharacterType( rStr, nPos, getMyLocale()) &
KCharacterType::UPPER) != 0 ;
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return false ;
}
OUString CharClass::titlecase(const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount) const
{
try
{
return xCC->toTitle( rStr, nPos, nCount, getMyLocale() );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return rStr.copy( nPos, nCount );
}
OUString CharClass::uppercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const
{
try
{
return xCC->toUpper( rStr, nPos, nCount, getMyLocale() );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return rStr.copy( nPos, nCount );
}
OUString CharClass::lowercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const
{
try
{
return xCC->toLower( rStr, nPos, nCount, getMyLocale() );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return rStr.copy( nPos, nCount );
}
sal_Int16 CharClass::getType( const OUString& rStr, sal_Int32 nPos ) const
{
try
{
return xCC->getType( rStr, nPos );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return 0 ;
}
css::i18n::DirectionProperty CharClass::getCharacterDirection( const OUString& rStr, sal_Int32 nPos ) const
{
try
{
return static_cast <css::i18n::DirectionProperty>(xCC->getCharacterDirection( rStr, nPos ));
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return css::i18n::DirectionProperty_LEFT_TO_RIGHT;
}
css::i18n::UnicodeScript CharClass::getScript( const OUString& rStr, sal_Int32 nPos ) const
{
try
{
return static_cast <css::i18n::UnicodeScript>(xCC->getScript( rStr, nPos ));
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return UnicodeScript_kBasicLatin;
}
sal_Int32 CharClass::getCharacterType( const OUString& rStr, sal_Int32 nPos ) const
{
try
{
return xCC->getCharacterType( rStr, nPos, getMyLocale() );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION("unotools.i18n" , "" );
}
return 0 ;
}
css::i18n::ParseResult CharClass::parseAnyToken(
const OUString& rStr,
sal_Int32 nPos,
sal_Int32 nStartCharFlags,
const OUString& userDefinedCharactersStart,
sal_Int32 nContCharFlags,
const OUString& userDefinedCharactersCont ) const
{
try
{
return xCC->parseAnyToken( rStr, nPos, getMyLocale(),
nStartCharFlags, userDefinedCharactersStart,
nContCharFlags, userDefinedCharactersCont );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION( "unotools.i18n" , "parseAnyToken" );
}
return ParseResult();
}
css::i18n::ParseResult CharClass::parsePredefinedToken(
sal_Int32 nTokenType,
const OUString& rStr,
sal_Int32 nPos,
sal_Int32 nStartCharFlags,
const OUString& userDefinedCharactersStart,
sal_Int32 nContCharFlags,
const OUString& userDefinedCharactersCont ) const
{
try
{
return xCC->parsePredefinedToken( nTokenType, rStr, nPos, getMyLocale(),
nStartCharFlags, userDefinedCharactersStart,
nContCharFlags, userDefinedCharactersCont );
}
catch ( const Exception& )
{
TOOLS_WARN_EXCEPTION( "unotools.i18n" , "parsePredefinedToken" );
}
return ParseResult();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=99 H=95 G=96
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(vorverarbeitet am 2026-10-01)
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