input.h

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// Common Text Transformation Library
// Copyright (C) 1997-2006 by Igor Kholodov. 
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// mailto:cttl@users.sourceforge.net
// http://sourceforge.net/projects/cttl/

// input.h

#ifndef _CTTL_INPUT_H_INCLUDED_
#define _CTTL_INPUT_H_INCLUDED_

#include "xtl_container.h"

namespace cttl {

using namespace cttl_impl;

template< typename StringT = CTTL_STD_STRING >
class input
{
private:

    xtl_text_container< StringT > m_container;

public:
    typedef StringT string_T;

    typedef typename string_T::value_type char_T;

    // CONSTRUCTORS OF THE INPUT OBJECT //

    input( size_t vector_size_ = xtl_identity_vector_default_size )
        :
        m_container( xtl_flag_default, vector_size_ )
    {
    }

    input(
        char_T const* pchar_,
        size_t  vector_size_ = xtl_identity_vector_default_size
        )
        :
        m_container( pchar_, xtl_flag_default, vector_size_ )
    {
    }

    input(
        char_T* array_[],
        char_T delimiter_ = char_T( '\n' ),
        size_t vector_size_ = xtl_identity_vector_default_size
        )
        :
        m_container( xtl_flag_default, vector_size_ )
    {
        string_array2string( m_container.text(), array_, delimiter_ );
    }

    input(
        string_T const& str_,
        size_t  vector_size_ = xtl_identity_vector_default_size
        )
        :   m_container( str_, xtl_flag_default, vector_size_ )
    {
    }

    ~input()
    {
        assert( !m_container.stack_size() );
    }

private:
    /*Copy constructor is disabled due to complexity of @c input object.*/
    explicit input( input const& )
    {
    }

    /*Assignment operator is disabled due to complexity of @c input object.*/
     input const& operator=( input const& )
    {
        return *this;
    }

public:
    // PROPERTIES OF THE INPUT CLASS //

    xtl_text_container< StringT >& container()
    {
        return m_container;
    }

    xtl_text_container< StringT > const& container() const
    {
        return m_container;
    }

    size_t vector_size( size_t new_size_ )
    {
        return m_container.identity_vector_size( new_size_ );
    }

    size_t vector_size()
    {
        return m_container.identity_vector_size();
    }

    // Functions to store and access user input

    void text( char_T const* pchar_ )
    {
        m_container.text( pchar_ );
    }

    void text( string_T const& str_ )
    {
        m_container.text( str_ );
    }

    string_T const& text() const
    {
        return m_container.text();
    }

    string_T& text()
    {
        return container().text();
    }
 
    size_t length() const
    {
        return text().length();
    }

};  // class input


}   // namespace cttl

#endif // _CTTL_INPUT_H_INCLUDED_

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