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113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
/*
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WString.h - String library for Wiring & Arduino
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Copyright (c) 2009-10 Hernando Barragan. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; 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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#ifndef String_h
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#define String_h
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//#include "WProgram.h"
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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class String
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{
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public:
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// constructors
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String( const char *value = "" );
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String( const String &value );
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String( const char );
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String( const unsigned char );
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String( const int, const int base=10);
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String( const unsigned int, const int base=10 );
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String( const long, const int base=10 );
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String( const unsigned long, const int base=10 );
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~String() { free(_buffer); _length = _capacity = 0;} //added _length = _capacity = 0;
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// operators
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const String & operator = ( const String &rhs );
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const String & operator +=( const String &rhs );
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//const String & operator +=( const char );
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int operator ==( const String &rhs ) const;
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int operator !=( const String &rhs ) const;
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int operator < ( const String &rhs ) const;
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int operator > ( const String &rhs ) const;
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int operator <=( const String &rhs ) const;
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int operator >=( const String &rhs ) const;
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char operator []( unsigned int index ) const;
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char& operator []( unsigned int index );
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//operator const char *() const { return _buffer; }
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// general methods
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char charAt( unsigned int index ) const;
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int compareTo( const String &anotherString ) const;
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unsigned char endsWith( const String &suffix ) const;
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unsigned char equals( const String &anObject ) const;
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unsigned char equalsIgnoreCase( const String &anotherString ) const;
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int indexOf( char ch ) const;
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int indexOf( char ch, unsigned int fromIndex ) const;
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int indexOf( const String &str ) const;
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int indexOf( const String &str, unsigned int fromIndex ) const;
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int lastIndexOf( char ch ) const;
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int lastIndexOf( char ch, unsigned int fromIndex ) const;
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int lastIndexOf( const String &str ) const;
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int lastIndexOf( const String &str, unsigned int fromIndex ) const;
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const unsigned int length( ) const { return _length; }
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void setCharAt(unsigned int index, const char ch);
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unsigned char startsWith( const String &prefix ) const;
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unsigned char startsWith( const String &prefix, unsigned int toffset ) const;
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String substring( unsigned int beginIndex ) const;
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String substring( unsigned int beginIndex, unsigned int endIndex ) const;
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String toLowerCase( ) const;
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String toUpperCase( ) const;
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String trim( ) const;
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void getBytes(unsigned char *buf, unsigned int bufsize);
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void toCharArray(char *buf, unsigned int bufsize);
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long toInt( );
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const String& concat( const String &str );
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String replace( char oldChar, char newChar );
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String replace( const String& match, const String& replace );
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friend String operator + ( String lhs, const String &rhs );
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protected:
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char *_buffer; // the actual char array
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unsigned int _capacity; // the array length minus one (for the '\0')
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unsigned int _length; // the String length (not counting the '\0')
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void getBuffer(unsigned int maxStrLen);
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private:
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};
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// allocate buffer space
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inline void String::getBuffer(unsigned int maxStrLen)
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{
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_capacity = maxStrLen;
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_buffer = (char *) malloc(_capacity + 1);
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if (_buffer == NULL) _length = _capacity = 0;
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}
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inline String operator+( String lhs, const String &rhs )
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{
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return lhs += rhs;
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}
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#endif
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