| /* |
| WString.h - String library for Wiring & Arduino |
| Copyright (c) 2009-10 Hernando Barragan. All right reserved. |
| |
| 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 St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef String_h |
| #define String_h |
| |
| //#include "WProgram.h" |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| |
| class String |
| { |
| public: |
| // constructors |
| String( const char *value = "" ); |
| String( const String &value ); |
| String( const char ); |
| String( const unsigned char ); |
| String( const int, const int base=10); |
| String( const unsigned int, const int base=10 ); |
| String( const long, const int base=10 ); |
| String( const unsigned long, const int base=10 ); |
| ~String() { free(_buffer); _length = _capacity = 0;} //added _length = _capacity = 0; |
| |
| // operators |
| const String & operator = ( const String &rhs ); |
| const String & operator +=( const String &rhs ); |
| //const String & operator +=( const char ); |
| int operator ==( const String &rhs ) const; |
| int operator !=( const String &rhs ) const; |
| int operator < ( const String &rhs ) const; |
| int operator > ( const String &rhs ) const; |
| int operator <=( const String &rhs ) const; |
| int operator >=( const String &rhs ) const; |
| char operator []( unsigned int index ) const; |
| char& operator []( unsigned int index ); |
| //operator const char *() const { return _buffer; } |
| |
| // general methods |
| char charAt( unsigned int index ) const; |
| int compareTo( const String &anotherString ) const; |
| unsigned char endsWith( const String &suffix ) const; |
| unsigned char equals( const String &anObject ) const; |
| unsigned char equalsIgnoreCase( const String &anotherString ) const; |
| int indexOf( char ch ) const; |
| int indexOf( char ch, unsigned int fromIndex ) const; |
| int indexOf( const String &str ) const; |
| int indexOf( const String &str, unsigned int fromIndex ) const; |
| int lastIndexOf( char ch ) const; |
| int lastIndexOf( char ch, unsigned int fromIndex ) const; |
| int lastIndexOf( const String &str ) const; |
| int lastIndexOf( const String &str, unsigned int fromIndex ) const; |
| const unsigned int length( ) const { return _length; } |
| void setCharAt(unsigned int index, const char ch); |
| unsigned char startsWith( const String &prefix ) const; |
| unsigned char startsWith( const String &prefix, unsigned int toffset ) const; |
| String substring( unsigned int beginIndex ) const; |
| String substring( unsigned int beginIndex, unsigned int endIndex ) const; |
| String toLowerCase( ) const; |
| String toUpperCase( ) const; |
| String trim( ) const; |
| void getBytes(unsigned char *buf, unsigned int bufsize); |
| void toCharArray(char *buf, unsigned int bufsize); |
| long toInt( ); |
| const String& concat( const String &str ); |
| String replace( char oldChar, char newChar ); |
| String replace( const String& match, const String& replace ); |
| friend String operator + ( String lhs, const String &rhs ); |
| |
| protected: |
| char *_buffer; // the actual char array |
| unsigned int _capacity; // the array length minus one (for the '\0') |
| unsigned int _length; // the String length (not counting the '\0') |
| |
| void getBuffer(unsigned int maxStrLen); |
| |
| private: |
| |
| }; |
| |
| // allocate buffer space |
| inline void String::getBuffer(unsigned int maxStrLen) |
| { |
| _capacity = maxStrLen; |
| _buffer = (char *) malloc(_capacity + 1); |
| if (_buffer == NULL) _length = _capacity = 0; |
| } |
| |
| inline String operator+( String lhs, const String &rhs ) |
| { |
| return lhs += rhs; |
| } |
| |
| |
| #endif |