mirror of
https://github.com/openmoh/openmohaa.git
synced 2025-04-28 21:57:57 +03:00
784 lines
13 KiB
C++
784 lines
13 KiB
C++
/*
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===========================================================================
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Copyright (C) 2015 the OpenMoHAA team
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This file is part of OpenMoHAA source code.
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OpenMoHAA source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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OpenMoHAA source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenMoHAA source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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// str.cpp: Simple, DLL portable string class
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//
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#ifndef __STR_H__
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#define __STR_H__
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#include <cassert>
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#include <cstring>
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#include <cstdio>
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#include <cstdint>
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#ifdef _WIN32
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#pragma warning(disable : 4710) // function 'blah' not inlined
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#endif
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void TestStringClass ();
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class strdata
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{
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public:
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strdata () : len( 0 ), refcount ( 0 ), data ( NULL ), alloced ( 0 ) {}
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~strdata ()
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{
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if ( data )
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delete [] data;
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}
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void AddRef () { refcount++; }
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bool DelRef () // True if killed
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{
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refcount--;
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if ( refcount < 0 )
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{
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delete this;
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return true;
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}
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return false;
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}
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char *data;
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int refcount;
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size_t alloced;
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size_t len;
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};
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class str
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{
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protected:
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friend class Archiver;
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strdata *m_data;
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void EnsureAlloced ( size_t, bool keepold = true );
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void EnsureDataWritable ();
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public:
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~str();
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str();
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str( const char *text );
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str( const str& string );
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str( const str& string, size_t start, size_t end );
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str( const char ch );
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str( const int num );
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str( const float num );
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str( const unsigned num );
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size_t length( void ) const;
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const char * c_str( void ) const;
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void append( const char *text );
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void append( const str& text );
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char operator[]( intptr_t index ) const;
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char& operator[]( intptr_t index );
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void operator=( const str& text );
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void operator=( const char *text );
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friend str operator+( const str& a, const str& b );
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friend str operator+( const str& a, const char *b );
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friend str operator+( const char *a, const str& b );
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friend str operator+( const str& a, const float b );
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friend str operator+( const str& a, const int b );
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friend str operator+( const str& a, const unsigned b );
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friend str operator+( const str& a, const bool b );
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friend str operator+( const str& a, const char b );
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str& operator+=( const str& a );
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str& operator+=( const char *a );
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str& operator+=( const float a );
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str& operator+=( const char a );
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str& operator+=( const int a );
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str& operator+=( const unsigned a );
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str& operator+=( const bool a );
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str& operator-=( int c );
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str& operator--( int );
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friend bool operator==( const str& a, const str& b );
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friend bool operator==( const str& a, const char *b );
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friend bool operator==( const char *a, const str& b );
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friend bool operator!=( const str& a, const str& b );
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friend bool operator!=( const str& a, const char *b );
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friend bool operator!=( const char *a, const str& b );
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operator const char * () const;
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int icmpn( const char *text, size_t n ) const;
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int icmpn( const str& text, size_t n ) const;
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int icmp( const char *text ) const;
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int icmp( const str& text ) const;
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int cmpn( const char *text, size_t n ) const;
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int cmpn( const str& text, size_t n ) const;
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void tolower( void );
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void toupper( void );
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static char *tolower( char *s1 );
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static char *toupper( char *s1 );
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static int icmpn( const char *s1, const char *s2, size_t n );
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static int icmp( const char *s1, const char *s2 );
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static int cmpn( const char *s1, const char *s2, size_t n );
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static int cmp( const char *s1, const char *s2 );
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static void snprintf ( char *dst, int size, const char *fmt, ... );
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void strip( void );
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static bool isNumeric( const char *str );
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bool isNumeric( void ) const;
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void CapLength ( size_t newlen );
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void BackSlashesToSlashes();
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void SlashesToBackSlashes();
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void DefaultExtension(const char *extension);
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const char* GetExtension() const;
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void StripExtension();
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void SkipFile();
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void SkipPath();
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};
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char *strstrip( char *string );
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char *strlwc( char *string );
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inline char str::operator[]( intptr_t index ) const
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{
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assert ( m_data );
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if ( !m_data )
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return 0;
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// don't include the '/0' in the test, because technically, it's out of bounds
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assert( ( index >= 0 ) && ( index < ( int )m_data->len ) );
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// In release mode, give them a null character
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// don't include the '/0' in the test, because technically, it's out of bounds
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if ( ( index < 0 ) || ( index >= ( int )m_data->len ) )
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{
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return 0;
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}
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return m_data->data[ index ];
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}
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inline size_t str::length( void ) const
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{
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return ( m_data != NULL ) ? m_data->len : 0;
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}
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inline str::~str()
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{
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if( m_data )
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{
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m_data->DelRef();
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m_data = NULL;
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}
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}
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inline str::str() : m_data ( NULL )
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{
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}
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inline str::str
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(
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const char *text
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) : m_data( NULL )
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{
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size_t len;
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assert( text );
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if( *text )
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{
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len = strlen( text );
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if( len )
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{
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EnsureAlloced( len + 1 );
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strcpy( m_data->data, text );
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m_data->len = len;
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}
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}
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}
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inline str::str
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(
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const str& text
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) : m_data( NULL )
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{
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if( text.m_data )
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text.m_data->AddRef();
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if( m_data )
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m_data->DelRef();
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m_data = text.m_data;
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}
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inline str::str
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(
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const str& text,
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size_t start,
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size_t end
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) : m_data(NULL)
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{
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size_t i;
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size_t len;
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if (end > text.length())
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{
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end = text.length();
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}
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if (start > text.length())
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{
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start = text.length();
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}
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if (end >= start)
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{
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len = end - start;
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}
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else
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{
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len = 0;
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}
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EnsureAlloced(len + 1);
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for (i = 0; i < len; i++)
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{
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m_data->data[i] = text[start + i];
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}
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m_data->data[len] = 0;
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m_data->len = len;
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}
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inline str::str
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(
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const char ch
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) : m_data ( NULL )
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{
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EnsureAlloced ( 2 );
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m_data->data[ 0 ] = ch;
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m_data->data[ 1 ] = 0;
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m_data->len = 1;
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}
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inline str::str
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(
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const float num
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) : m_data ( NULL )
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{
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char text[ 32 ];
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size_t len;
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sprintf( text, "%.3f", num );
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len = strlen( text );
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EnsureAlloced( len + 1 );
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strcpy( m_data->data, text );
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m_data->len = len;
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}
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inline str::str
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(
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const int num
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) : m_data ( NULL )
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{
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char text[ 32 ];
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size_t len;
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sprintf( text, "%d", num );
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len = strlen( text );
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EnsureAlloced( len + 1 );
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strcpy( m_data->data, text );
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m_data->len = len;
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}
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inline str::str
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(
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const unsigned num
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) : m_data ( NULL )
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{
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char text[ 32 ];
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size_t len;
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sprintf( text, "%u", num );
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len = strlen( text );
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EnsureAlloced( len + 1 );
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strcpy( m_data->data, text );
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m_data->len = len;
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}
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inline const char *str::c_str( void ) const
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{
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if( m_data )
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{
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return m_data->data;
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}
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else
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{
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return "";
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}
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}
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inline void str::append
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(
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const char *text
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)
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{
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size_t len;
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assert( text );
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if ( text )
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{
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len = length();
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len += strlen( text );
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EnsureAlloced( len + 1 );
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strcat( m_data->data, text );
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m_data->len = len;
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}
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}
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inline void str::append
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(
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const str& text
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)
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{
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size_t len;
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len = length();
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len += text.length();
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EnsureAlloced ( len + 1 );
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strcat ( m_data->data, text.c_str () );
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m_data->len = len;
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}
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inline char& str::operator[]
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(
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intptr_t index
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)
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{
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// Used for result for invalid indices
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static char dummy = 0;
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assert ( m_data );
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// We don't know if they'll write to it or not
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// if it's not a const object
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EnsureDataWritable ();
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if ( !m_data )
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return dummy;
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// don't include the '/0' in the test, because technically, it's out of bounds
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assert( ( index >= 0 ) && ( index < ( int )m_data->len ) );
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// In release mode, let them change a safe variable
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// don't include the '/0' in the test, because technically, it's out of bounds
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if ( ( index < 0 ) || ( index >= ( int )m_data->len ) )
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{
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return dummy;
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}
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return m_data->data[ index ];
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}
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inline void str::operator=
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(
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const str& text
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)
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{
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// adding the reference before deleting our current reference prevents
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// us from deleting our string if we are copying from ourself
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if( text.m_data )
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text.m_data->AddRef();
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if( m_data )
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m_data->DelRef();
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m_data = text.m_data;
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}
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inline void str::operator=
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(
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const char *text
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)
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{
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size_t len;
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assert( text );
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if( m_data )
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{
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if( text == m_data->data )
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return; // Copying same thing. Punt.
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m_data->DelRef();
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m_data = NULL;
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}
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if( *text )
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{
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len = strlen( text );
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m_data = new strdata;
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m_data->len = len;
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m_data->alloced = len + 1;
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m_data->data = new char[ len + 1 ];
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strcpy( m_data->data, text );
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}
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}
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inline str operator+
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(
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const str& a,
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const str& b
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)
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{
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str result( a );
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result.append( b );
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return result;
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}
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inline str operator+
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(
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const str& a,
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const char *b
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)
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{
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str result( a );
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result.append( b );
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return result;
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}
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inline str operator+
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(
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const char *a,
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const str& b
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)
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{
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str result( a );
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result.append( b );
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return result;
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}
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inline str operator+
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(
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const str& a,
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const bool b
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)
|
|
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{
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str result( a );
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result.append( b ? "true" : "false" );
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return result;
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}
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|
|
inline str operator+
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(
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const str& a,
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|
const char b
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|
)
|
|
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|
{
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char text[ 2 ];
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|
text[ 0 ] = b;
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text[ 1 ] = 0;
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|
return a + text;
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}
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|
inline str& str::operator+=
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(
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const str& a
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)
|
|
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|
{
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append( a );
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return *this;
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}
|
|
|
|
inline str& str::operator+=
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|
(
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|
const char *a
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|
)
|
|
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|
{
|
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append( a );
|
|
return *this;
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|
}
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|
|
|
inline str& str::operator+=
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|
(
|
|
const char a
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|
)
|
|
|
|
{
|
|
char text[ 2 ];
|
|
|
|
text[ 0 ] = a;
|
|
text[ 1 ] = 0;
|
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append( text );
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|
|
|
return *this;
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|
}
|
|
|
|
inline str& str::operator+=
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|
(
|
|
const bool a
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|
)
|
|
|
|
{
|
|
append( a ? "true" : "false" );
|
|
return *this;
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|
}
|
|
|
|
inline bool operator==
|
|
(
|
|
const str& a,
|
|
const str& b
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|
)
|
|
|
|
{
|
|
return ( !strcmp( a.c_str(), b.c_str() ) );
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|
}
|
|
|
|
inline bool operator==
|
|
(
|
|
const str& a,
|
|
const char *b
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|
)
|
|
|
|
{
|
|
assert( b );
|
|
if ( !b )
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|
{
|
|
return false;
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|
}
|
|
return ( !strcmp( a.c_str(), b ) );
|
|
}
|
|
|
|
inline bool operator==
|
|
(
|
|
const char *a,
|
|
const str& b
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|
)
|
|
|
|
{
|
|
assert( a );
|
|
if ( !a )
|
|
{
|
|
return false;
|
|
}
|
|
return ( !strcmp( a, b.c_str() ) );
|
|
}
|
|
|
|
inline bool operator!=
|
|
(
|
|
const str& a,
|
|
const str& b
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|
)
|
|
|
|
{
|
|
return !( a == b );
|
|
}
|
|
|
|
inline bool operator!=
|
|
(
|
|
const str& a,
|
|
const char *b
|
|
)
|
|
|
|
{
|
|
return !( a == b );
|
|
}
|
|
|
|
inline bool operator!=
|
|
(
|
|
const char *a,
|
|
const str& b
|
|
)
|
|
|
|
{
|
|
return !( a == b );
|
|
}
|
|
|
|
inline int str::icmpn
|
|
(
|
|
const char *text,
|
|
size_t n
|
|
) const
|
|
|
|
{
|
|
assert( m_data );
|
|
assert( text );
|
|
|
|
return str::icmpn( m_data->data, text, n );
|
|
}
|
|
|
|
inline int str::icmpn
|
|
(
|
|
const str& text,
|
|
size_t n
|
|
) const
|
|
|
|
{
|
|
assert( m_data );
|
|
assert( text.m_data );
|
|
|
|
return str::icmpn( m_data->data, text.m_data->data, n );
|
|
}
|
|
|
|
inline int str::icmp
|
|
(
|
|
const char *text
|
|
) const
|
|
|
|
{
|
|
assert( m_data );
|
|
assert( text );
|
|
|
|
return str::icmp( m_data->data, text );
|
|
}
|
|
|
|
inline int str::icmp
|
|
(
|
|
const str& text
|
|
) const
|
|
|
|
{
|
|
assert( c_str () );
|
|
assert( text.c_str () );
|
|
|
|
return str::icmp( c_str () , text.c_str () );
|
|
}
|
|
|
|
inline int str::cmpn
|
|
(
|
|
const char *text,
|
|
size_t n
|
|
) const
|
|
|
|
{
|
|
assert( c_str () );
|
|
assert( text );
|
|
|
|
return str::cmpn( c_str () , text, n );
|
|
}
|
|
|
|
inline int str::cmpn
|
|
(
|
|
const str& text,
|
|
size_t n
|
|
) const
|
|
|
|
{
|
|
assert( c_str () );
|
|
assert( text.c_str () );
|
|
|
|
return str::cmpn( c_str () , text.c_str () , n );
|
|
}
|
|
|
|
inline void str::tolower
|
|
(
|
|
void
|
|
)
|
|
|
|
{
|
|
assert( m_data );
|
|
|
|
EnsureDataWritable ();
|
|
|
|
str::tolower( m_data->data );
|
|
}
|
|
|
|
inline void str::toupper
|
|
(
|
|
void
|
|
)
|
|
|
|
{
|
|
assert( m_data );
|
|
|
|
EnsureDataWritable ();
|
|
|
|
str::toupper( m_data->data );
|
|
}
|
|
|
|
inline bool str::isNumeric
|
|
(
|
|
void
|
|
) const
|
|
|
|
{
|
|
assert( m_data );
|
|
return str::isNumeric( m_data->data );
|
|
}
|
|
|
|
inline str::operator const char *
|
|
(
|
|
void
|
|
) const
|
|
|
|
{
|
|
return c_str();
|
|
}
|
|
|
|
#endif
|