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authorDavid A. Mellis <d.mellis@arduino.cc>2010-07-04 16:27:23 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2010-07-04 16:27:23 +0000
commit0c09741c729a9735b30c030b24d6ca67ae864156 (patch)
tree3ffb4e268214853e5a1b38cb1e257d0f4274494c /cores/arduino/WString.h
parent3b6611ae2de2caac0d2baae32f4f05bd2a3bb9b9 (diff)
Adding WString.h and WString.cpp straight from Wiring (r. 726). Won't actually work yet.
Diffstat (limited to 'cores/arduino/WString.h')
-rw-r--r--cores/arduino/WString.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/cores/arduino/WString.h b/cores/arduino/WString.h
new file mode 100644
index 0000000..c93d493
--- /dev/null
+++ b/cores/arduino/WString.h
@@ -0,0 +1,119 @@
+/*
+ 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 <string.h>
+#include <ctype.h>
+
+class String
+{
+ public:
+ // constructors
+ String( const char *value = "" );
+ String( const String &value );
+ explicit String( const char );
+ explicit String( const unsigned char );
+ explicit String( const int, const int base=10);
+ explicit String( const unsigned int, const int base=10 );
+ explicit String( const long, const int base=10 );
+ explicit String( const unsigned long, const int base=10 );
+ virtual ~String() { delete [] _buffer; }
+
+ // 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;
+ boolean endsWith( const String &suffix ) const;
+ boolean equals( const String &anObject ) const;
+ boolean 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);
+ boolean startsWith( const String &prefix ) const;
+ boolean 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;
+ const byte *getBytes() const { return (byte*)_buffer; }
+ const char* toCharArray() const { return _buffer; }
+ 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
+ unsigned int _length; // the String length
+
+ void getBuffer(unsigned int maxStrLen);
+ void doubleBuffer( );
+
+ private:
+
+};
+
+// allocate buffer space
+inline void String::getBuffer(unsigned int maxStrLen)
+{
+ _capacity = maxStrLen;
+ _buffer = new char[_capacity + 1];
+}
+
+// double the buffer size
+inline void String::doubleBuffer( )
+{
+ char *temp = _buffer;
+ getBuffer( ++_capacity * 2 );
+ strcpy( _buffer, temp );
+ delete [] temp;
+}
+
+inline String operator+( String lhs, const String &rhs )
+{
+ return lhs += rhs;
+}
+
+
+#endif