274 lines
9.3 KiB
C++
274 lines
9.3 KiB
C++
/*-----------------------------------------------------------------------------------------------
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The MIT License (MIT)
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Copyright (c) 2014-2015 Kim Kulling
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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-----------------------------------------------------------------------------------------------*/
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#pragma once
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#include <openddlparser/OpenDDLCommon.h>
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#include <string>
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BEGIN_ODDLPARSER_NS
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// Forward declarations
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struct ValueAllocator;
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class IOStreamBase;
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///------------------------------------------------------------------------------------------------
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/// @brief This class implements a value.
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///
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/// Values are used to store data types like boolean, integer, floats, double and many mode. To get
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/// an overview please check the enum VylueType ( @see Value::ValueType ).
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/// Values can be single items or lists of items. They are implemented as linked lists.
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///------------------------------------------------------------------------------------------------
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class DLL_ODDLPARSER_EXPORT Value {
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friend struct ValueAllocator;
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public:
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/// @brief This class implements an iterator through a Value list.
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///
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/// When getting a new value you need to know how to iterate through it. The Value::Iterator
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/// will help you here:
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/// @code
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/// Value *val = node->getValue();
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/// Value::Iterator it( val );
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/// while( it.hasNext() ) {
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/// Value v( it.getNext );
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/// }
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/// @endcode
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class DLL_ODDLPARSER_EXPORT Iterator {
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public:
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/// @brief The default class constructor.
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Iterator();
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/// @brief The class constructor with the start value.
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/// @param start [in] The first value for iteration,
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Iterator( Value *start );
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Iterator( const Iterator &rhs );
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/// @brief The class destructor.
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~Iterator();
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/// @brief Will return true, if another value is in the list.
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/// @return true if another value is there.
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bool hasNext() const;
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/// @brief Returns the next item and moves the iterator to it.
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/// @return The next value, is ddl_nullptr in case of being the last item.
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Value *getNext();
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/// @brief The post-increment operator.
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const Iterator operator++( int );
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/// @brief The pre-increment operator.
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Iterator &operator++( );
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/// @brief The compare operator.
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/// @param rhs [in] The instance to compare.
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/// @return true if equal.
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bool operator == ( const Iterator &rhs ) const;
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/// @brief The * operator.
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/// @return The instance or ddl_nullptr if end of list is reached.
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Value *operator->( ) const;
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private:
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Value *m_start;
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Value *m_current;
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private:
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Iterator &operator = ( const Iterator & );
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};
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/// @brief This enum describes the data type stored in the value.
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enum ValueType {
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ddl_none = -1, ///< Nothing specified
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ddl_bool = 0, ///< A boolean type
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ddl_int8, ///< Integer type, 8 bytes
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ddl_int16, ///< Integer type, 16 bytes
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ddl_int32, ///< Integer type, 32 bytes
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ddl_int64, ///< Integer type, 64 bytes
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ddl_unsigned_int8, ///< Unsigned integer type, 8 bytes
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ddl_unsigned_int16, ///< Unsigned integer type, 16 bytes
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ddl_unsigned_int32, ///< Unsigned integer type, 32 bytes
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ddl_unsigned_int64, ///< Unsigned integer type, 64 bytes
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ddl_half, ///< Half data type.
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ddl_float, ///< float data type
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ddl_double, ///< Double data type.
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ddl_string, ///< String data type.
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ddl_ref, ///< Reference, used to define references to other data definitions.
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ddl_types_max ///< Upper limit.
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};
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/// @brief The class constructor.
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/// @param type [in] The value type.
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Value( ValueType type );
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/// @brief The class destructor.
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~Value();
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/// @brief Assigns a boolean to the value.
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/// @param value [in9 The value.
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void setBool( bool value );
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/// @brief Returns the boolean value.
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/// @return The boolean value.
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bool getBool();
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/// @brief Assigns a int8 to the value.
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/// @param value [in] The value.
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void setInt8( int8 value );
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/// @brief Returns the int8 value.
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/// @return The int8 value.
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int8 getInt8();
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/// @brief Assigns a int16 to the value.
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/// @param value [in] The value.
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void setInt16( int16 value );
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/// @brief Returns the int16 value.
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/// @return The int16 value.
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int16 getInt16();
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/// @brief Assigns a int32 to the value.
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/// @param value [in] The value.
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void setInt32( int32 value );
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/// @brief Returns the int16 value.
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/// @return The int32 value.
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int32 getInt32();
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/// @brief Assigns a int64 to the value.
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/// @param value [in] The value.
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void setInt64( int64 value );
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/// @brief Returns the int16 value.
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/// @return The int64 value.
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int64 getInt64();
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/// @brief Assigns a unsigned int8 to the value.
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/// @param value [in] The value.
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void setUnsignedInt8( uint8 value );
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/// @brief Returns the unsigned int8 value.
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/// @return The unsigned int8 value.
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uint8 getUnsignedInt8() const;
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/// @brief Assigns a unsigned int16 to the value.
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/// @param value [in] The value.
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void setUnsignedInt16( uint16 value );
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/// @brief Returns the unsigned int16 value.
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/// @return The unsigned int16 value.
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uint16 getUnsignedInt16() const;
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/// @brief Assigns a unsigned int32 to the value.
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/// @param value [in] The value.
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void setUnsignedInt32( uint32 value );
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/// @brief Returns the unsigned int8 value.
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/// @return The unsigned int32 value.
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uint32 getUnsignedInt32() const;
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/// @brief Assigns a unsigned int64 to the value.
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/// @param value [in] The value.
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void setUnsignedInt64( uint64 value );
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/// @brief Returns the unsigned int64 value.
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/// @return The unsigned int64 value.
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uint64 getUnsignedInt64() const;
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/// @brief Assigns a float to the value.
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/// @param value [in] The value.
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void setFloat( float value );
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/// @brief Returns the float value.
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/// @return The float value.
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float getFloat() const;
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/// @brief Assigns a double to the value.
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/// @param value [in] The value.
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void setDouble( double value );
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/// @brief Returns the double value.
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/// @return The double value.
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double getDouble() const;
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/// @brief Assigns a std::string to the value.
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/// @param str [in] The value.
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void setString( const std::string &str );
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/// @brief Returns the std::string value.
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/// @return The std::string value.
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const char *getString() const;
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/// @brief Set the reference.
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/// @param ref [in] Pointer showing to the reference.
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void setRef( Reference *ref );
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/// @brief Returns the pointer showing to the reference.
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/// @return Pointer showing to the reference.
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Reference *getRef() const;
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/// @brief Dumps the value.
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/// @param stream [in] The stream to write in.
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void dump( IOStreamBase &stream );
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/// @brief Assigns the next value.
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/// @param next [n] The next value.
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void setNext( Value *next );
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/// @brief Returns the next value.
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/// @return The next value.s
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Value *getNext() const;
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/// @brief Gets the length of the array.
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/// @return The number of items in the array.
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size_t size() const;
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ValueType m_type;
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size_t m_size;
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unsigned char *m_data;
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Value *m_next;
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private:
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Value &operator =( const Value & ) ddl_no_copy;
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Value( const Value & ) ddl_no_copy;
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};
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///------------------------------------------------------------------------------------------------
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/// @brief This class implements the value allocator.
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///------------------------------------------------------------------------------------------------
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struct DLL_ODDLPARSER_EXPORT ValueAllocator {
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static Value *allocPrimData( Value::ValueType type, size_t len = 1 );
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static void releasePrimData( Value **data );
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private:
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ValueAllocator() ddl_no_copy;
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ValueAllocator( const ValueAllocator & ) ddl_no_copy;
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ValueAllocator &operator = ( const ValueAllocator & ) ddl_no_copy;
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};
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END_ODDLPARSER_NS
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