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Diffstat (limited to 'ext/systemc/src/sysc/datatypes/fx/scfx_string.h')
| -rw-r--r-- | ext/systemc/src/sysc/datatypes/fx/scfx_string.h | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/datatypes/fx/scfx_string.h b/ext/systemc/src/sysc/datatypes/fx/scfx_string.h new file mode 100644 index 000000000..338031ccc --- /dev/null +++ b/ext/systemc/src/sysc/datatypes/fx/scfx_string.h @@ -0,0 +1,232 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera 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. + + *****************************************************************************/ + +/***************************************************************************** + + scfx_string.h - + + Original Author: Robert Graulich, Synopsys, Inc. + Martin Janssen, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ +// $Log: scfx_string.h,v $ +// Revision 1.1.1.1 2006/12/15 20:20:04 acg +// SystemC 2.3 +// +// Revision 1.2 2006/01/03 23:18:34 acg +// Changed copyright to include 2006. +// +// Revision 1.1.1.1 2005/12/19 23:16:43 acg +// First check in of SystemC 2.1 into its own archive. +// +// Revision 1.9 2005/09/15 23:02:03 acg +// Added std:: prefix to appropriate methods and types to get around +// issues with the Edison Front End. +// +// Revision 1.8 2005/06/07 17:27:02 acg +// Fixed bug in scfx_string::operator += where an array reference was used +// rather than the [] operator. This meant that the buffer may have been +// accessed beyond its allocated storage. +// + +#ifndef SCFX_STRING_H +#define SCFX_STRING_H + +#include <cstdio> + + +namespace sc_dt +{ + +// classes defined in this module +class scfx_string; + + +// ---------------------------------------------------------------------------- +// CLASS : scfx_string +// +// Simple string class for internal use. +// ---------------------------------------------------------------------------- + +class scfx_string +{ + void resize( std::size_t ); + +public: + + scfx_string(); + + ~scfx_string(); + + int length() const; + + void clear(); + + char& operator [] ( int ); + + void append( int ); + void discard( int ); + void remove( int ); + + void operator += ( char ); + void operator += ( const char* ); + + operator const char* (); + +private: + + std::size_t m_len; + std::size_t m_alloc; + char* m_buffer; +}; + + +// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII + +inline +void +scfx_string::resize( std::size_t i ) +{ + do { + m_alloc *= 2; + } while( i >= m_alloc ); + + char* temp = new char[m_alloc]; + + for( int j = 0; j < (int) m_len; ++ j ) { + temp[j] = m_buffer[j]; + } + temp[m_len] = 0; + + delete [] m_buffer; + m_buffer = temp; +} + + +inline +scfx_string::scfx_string() +: m_len( 0 ), m_alloc( BUFSIZ ), m_buffer( new char[m_alloc] ) +{ + m_buffer[m_len] = 0; +} + + +inline +scfx_string::~scfx_string() +{ + delete [] m_buffer; +} + + +inline +int +scfx_string::length() const +{ + return m_len; +} + + +inline +void +scfx_string::clear() +{ + m_len = 0; + m_buffer[m_len] = 0; +} + + +inline +char& +scfx_string::operator [] ( int i ) +{ + if( i >= (int) m_alloc ) { + resize( i ); + } + return m_buffer[i]; +} + + +inline +void +scfx_string::append( int n ) +{ + m_len += n; + m_buffer[m_len] = 0; +} + +inline +void +scfx_string::discard( int n ) +{ + m_len -= n; + m_buffer[m_len] = 0; +} + +inline +void +scfx_string::remove( int i ) +{ + for( int j = i + 1; j < (int) m_len; ++ j ) + m_buffer[j - 1] = m_buffer[j]; + -- m_len; + m_buffer[m_len] = 0; +} + + +inline +void +scfx_string::operator += ( char c ) +{ + this->operator [] ( m_len ) = c; + m_len ++; + this->operator [] ( m_len ) = 0; +} + +inline +void +scfx_string::operator += ( const char* s ) +{ + while( *s ) + (*this) += *s ++; +} + + +inline +scfx_string::operator const char*() +{ + m_buffer[m_len] = 0; + return m_buffer; +} + +} // namespace sc_dt + + +#endif + +// Taf! |