| /* |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "CharBuffer.h" |
| #include <decaf/lang/Character.h> |
| #include <decaf/lang/Math.h> |
| #include "decaf/internal/nio/BufferFactory.h" |
| |
| using namespace std; |
| using namespace decaf; |
| using namespace decaf::nio; |
| using namespace decaf::lang; |
| using namespace decaf::lang::exceptions; |
| using namespace decaf::internal::nio; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer::CharBuffer( std::size_t capacity ) |
| : Buffer( capacity ) { |
| |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer* CharBuffer::allocate( std::size_t capacity ) { |
| |
| try{ |
| |
| return BufferFactory::createCharBuffer( capacity ); |
| } |
| DECAF_CATCH_RETHROW( Exception ) |
| DECAF_CATCHALL_THROW( Exception ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer* CharBuffer::wrap( char* buffer, std::size_t offset, std::size_t length ) |
| throw( lang::exceptions::NullPointerException ) { |
| |
| try{ |
| |
| if( buffer == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "CharBuffer::wrap - Passed Buffer is Null."); |
| } |
| |
| return BufferFactory::createCharBuffer( buffer, offset, length ); |
| } |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, NullPointerException ) |
| DECAF_CATCHALL_THROW( NullPointerException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer* CharBuffer::wrap( std::vector<char>& buffer ) { |
| |
| try{ |
| |
| if( buffer.empty() ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "CharBuffer::wrap - Passed Buffer is Empty."); |
| } |
| |
| return BufferFactory::createCharBuffer( &buffer[0], 0, buffer.size() ); |
| } |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, NullPointerException ) |
| DECAF_CATCHALL_THROW( NullPointerException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string CharBuffer::toString() const { |
| |
| std::string strbuf; |
| |
| for( std::size_t i = this->position(); i < this->limit(); i++ ) { |
| strbuf.append( Character::valueOf( get( i ) ).toString() ); |
| } |
| |
| return strbuf; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::append( char value ) |
| throw ( BufferOverflowException, ReadOnlyBufferException ) { |
| |
| try{ |
| |
| this->put( value ); |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::append( const CharSequence* value ) |
| throw ( BufferOverflowException, ReadOnlyBufferException ) { |
| |
| try{ |
| |
| if( value != NULL ) { |
| return this->put( value->toString() ); |
| } |
| |
| return this->put( "null" ); |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::append( const CharSequence* value, std::size_t start, std::size_t end ) |
| throw ( decaf::lang::exceptions::IndexOutOfBoundsException, |
| BufferOverflowException, ReadOnlyBufferException ) { |
| |
| try{ |
| |
| if( value != NULL ) { |
| CharSequence* temp = value->subSequence( start, end ); |
| this->append( temp ); |
| delete temp; |
| |
| return *this; |
| } |
| |
| return this->put( "null", start, end ); |
| } |
| DECAF_CATCH_RETHROW( IndexOutOfBoundsException ) |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| char CharBuffer::charAt( std::size_t index ) const |
| throw( decaf::lang::exceptions::IndexOutOfBoundsException ) { |
| |
| try{ |
| |
| return this->get( index ); |
| } |
| DECAF_CATCH_RETHROW( IndexOutOfBoundsException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, IndexOutOfBoundsException ) |
| DECAF_CATCHALL_THROW( IndexOutOfBoundsException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::get( std::vector<char> buffer ) |
| throw ( BufferUnderflowException ) { |
| |
| try{ |
| |
| if( !buffer.empty() ) { |
| this->get( &buffer[0], 0, buffer.size() ); |
| } |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferUnderflowException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferUnderflowException ) |
| DECAF_CATCHALL_THROW( BufferUnderflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::get( char* buffer, std::size_t offset, std::size_t length ) |
| throw( BufferUnderflowException, |
| lang::exceptions::NullPointerException ) { |
| |
| try{ |
| |
| if( length == 0 ) { |
| return *this; |
| } |
| |
| if( buffer == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "CharBuffer::get - Passed Buffer is Null" ); |
| } |
| |
| if( length > remaining() ) { |
| throw BufferUnderflowException( |
| __FILE__, __LINE__, |
| "CharBuffer::get - Not enough data to fill length = %d", length ); |
| } |
| |
| for( std::size_t ix = 0; ix < length; ++ix ){ |
| buffer[offset + ix] = this->get(); |
| } |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCH_RETHROW( BufferUnderflowException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferUnderflowException ) |
| DECAF_CATCHALL_THROW( BufferUnderflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::put( CharBuffer& src ) |
| throw( BufferOverflowException, ReadOnlyBufferException, |
| lang::exceptions::IllegalArgumentException ) { |
| |
| try{ |
| |
| if( this == &src ) { |
| throw IllegalArgumentException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - Can't put Self" ); |
| } |
| |
| if( this->isReadOnly() ) { |
| throw ReadOnlyBufferException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - This buffer is Read Only."); |
| } |
| |
| if( src.remaining() > this->remaining() ) { |
| throw BufferOverflowException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - Not enough space remaining to put src." ); |
| } |
| |
| while( src.hasRemaining() ) { |
| this->put( src.get() ); |
| } |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_RETHROW( IllegalArgumentException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::put( const char* buffer, std::size_t offset, std::size_t length ) |
| throw( BufferOverflowException, ReadOnlyBufferException, |
| lang::exceptions::NullPointerException ) { |
| |
| try{ |
| |
| if( length == 0 ) { |
| return *this; |
| } |
| |
| if( this->isReadOnly() ) { |
| throw ReadOnlyBufferException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - This buffer is Read Only."); |
| } |
| |
| if( buffer == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - Passed Buffer is Null."); |
| } |
| |
| if( length > this->remaining() ) { |
| throw BufferOverflowException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - Not Enough space to store requested Data."); |
| } |
| |
| // read length bytes starting from the offset |
| for( std::size_t ix = 0; ix < length; ++ix ) { |
| this->put( buffer[ix + offset] ); |
| } |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::put( std::vector<char>& buffer ) |
| throw( BufferOverflowException, ReadOnlyBufferException ) { |
| |
| try{ |
| |
| if( !buffer.empty() ) { |
| this->put( &buffer[0], 0, buffer.size() ); |
| } |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::put( const std::string& src, std::size_t start, std::size_t end ) |
| throw( BufferOverflowException, ReadOnlyBufferException, |
| decaf::lang::exceptions::IndexOutOfBoundsException ) { |
| |
| try{ |
| |
| if( ( start > end ) || ( src.size() < ( end - start ) ) ) { |
| throw IndexOutOfBoundsException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - invalid start and end pos; start = %d, end = %d", |
| start, end ); |
| } |
| |
| if( start > src.size() || end > src.size() ) { |
| throw IndexOutOfBoundsException( |
| __FILE__, __LINE__, |
| "CharBuffer::put - invalid start and end pos; start = %d, end = %d", |
| start, end ); |
| } |
| |
| this->put( src.substr( start, end-start ) ); |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( IndexOutOfBoundsException ) |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| CharBuffer& CharBuffer::put( const std::string& src ) |
| throw( BufferOverflowException, ReadOnlyBufferException ) { |
| |
| try{ |
| |
| if( !src.empty() ) { |
| this->put( src.c_str(), 0, src.size() ); |
| } |
| |
| return *this; |
| } |
| DECAF_CATCH_RETHROW( BufferOverflowException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, BufferOverflowException ) |
| DECAF_CATCHALL_THROW( BufferOverflowException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::size_t CharBuffer::read( CharBuffer* target ) |
| throw ( decaf::lang::exceptions::NullPointerException, |
| decaf::lang::exceptions::IllegalArgumentException, |
| ReadOnlyBufferException ) { |
| |
| try{ |
| |
| if( target == this ) { |
| throw IllegalArgumentException( |
| __FILE__, __LINE__, |
| "CharBuffer::read - Cannot read to self" ); |
| } |
| |
| if( target == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "CharBuffer::read - Null CharBuffer Passed" ); |
| } |
| |
| if( this->remaining() == 0 ) { |
| return target->remaining() == 0 ? 0 : string::npos; |
| } |
| |
| std::size_t result = (std::size_t)Math::min( |
| (int)target->remaining(), |
| (int)this->remaining() ); |
| char* chars = new char[result]; |
| get( chars, 0, result ); |
| target->put( chars, 0, result ); |
| delete [] chars; |
| |
| return result; |
| } |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCH_RETHROW( IllegalArgumentException ) |
| DECAF_CATCH_RETHROW( ReadOnlyBufferException ) |
| DECAF_CATCH_EXCEPTION_CONVERT( Exception, IllegalArgumentException ) |
| DECAF_CATCHALL_THROW( IllegalArgumentException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int CharBuffer::compareTo( const CharBuffer& value ) const { |
| |
| int compareRemaining = Math::min( (int)remaining(), (int)value.remaining() ); |
| |
| std::size_t thisPos = this->position(); |
| std::size_t otherPos = value.position(); |
| char thisByte, otherByte; |
| |
| while( compareRemaining > 0 ) { |
| |
| thisByte = get( thisPos ); |
| otherByte = value.get( otherPos ); |
| |
| if( thisByte != otherByte ) { |
| return thisByte < otherByte ? -1 : 1; |
| } |
| |
| thisPos++; |
| otherPos++; |
| compareRemaining--; |
| } |
| |
| return (int)( remaining() - value.remaining() ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool CharBuffer::equals( const CharBuffer& value ) const { |
| |
| if( &value == this ) { |
| return true; |
| } |
| |
| if( this->remaining() != value.remaining() ) { |
| return false; |
| } |
| |
| std::size_t myPosition = this->position(); |
| std::size_t otherPosition = value.position(); |
| bool equalSoFar = true; |
| |
| while( equalSoFar && ( myPosition < this->limit() ) ) { |
| equalSoFar = get( myPosition++ ) == value.get( otherPosition++ ); |
| } |
| |
| return equalSoFar; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool CharBuffer::operator==( const CharBuffer& value ) const { |
| return this->equals( value ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool CharBuffer::operator<( const CharBuffer& value ) const { |
| return this->compareTo( value ) < 0 ? true : false; |
| } |