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authorZach Eveland <zeveland@blacklabel-development.com>2011-10-27 09:32:27 -0400
committerZach Eveland <zeveland@blacklabel-development.com>2011-10-27 09:32:27 -0400
commit29cfd9e9fe12cc10fc8f4bae5c884c514ad95902 (patch)
treebfb510ae9f7401ae7ea4958f07d016fe7b7148f7 /cores/arduino/WString.h
parentc0a9e827c12565c375eb1992478eb005851c0053 (diff)
parentf9ed282a16a6ac89cbd8458cd174332d64d0428b (diff)
Merge branch 'master' of github.com:arduino/Arduino into diskloader_reboot
Conflicts: app/src/processing/app/Editor.java app/src/processing/app/Sketch.java build/shared/examples/4.Communication/SerialCallResponse/SerialCallResponse.pde build/shared/lib/theme/theme.txt hardware/arduino/cores/arduino/HardwareSerial.h hardware/arduino/cores/arduino/Print.cpp hardware/arduino/cores/arduino/WString.h hardware/arduino/variants/mega/pins_arduino.h libraries/Ethernet/examples/PachubeClient/PachubeClient.ino libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino libraries/Firmata/examples/EchoString/EchoString.ino libraries/SD/File.cpp libraries/SoftwareSerial/SoftwareSerial.cpp libraries/SoftwareSerial/SoftwareSerial.h libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino libraries/SoftwareSerial/keywords.txt
Diffstat (limited to 'cores/arduino/WString.h')
-rw-r--r--cores/arduino/WString.h255
1 files changed, 81 insertions, 174 deletions
diff --git a/cores/arduino/WString.h b/cores/arduino/WString.h
index d76d2a3..56faf9a 100644
--- a/cores/arduino/WString.h
+++ b/cores/arduino/WString.h
@@ -1,8 +1,6 @@
/*
WString.h - String library for Wiring & Arduino
- ...mostly rewritten by Paul Stoffregen...
Copyright (c) 2009-10 Hernando Barragan. All right reserved.
- Copyright 2011, Paul Stoffregen, paul@pjrc.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -19,187 +17,96 @@
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef String_class_h
-#define String_class_h
-#ifdef __cplusplus
+#ifndef String_h
+#define String_h
+//#include "WProgram.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include <avr/pgmspace.h>
-// When compiling programs with this class, the following gcc parameters
-// dramatically increase performance and memory (RAM) efficiency, typically
-// with little or no increase in code size.
-// -felide-constructors
-// -std=c++0x
-
-class __FlashStringHelper;
-#define F(string_literal) (reinterpret_cast<__FlashStringHelper *>(PSTR(string_literal)))
-
-// An inherited class for holding the result of a concatenation. These
-// result objects are assumed to be writable by subsequent concatenations.
-class StringSumHelper;
-
-// The string class
class String
{
- // use a function pointer to allow for "if (s)" without the
- // complications of an operator bool(). for more information, see:
- // http://www.artima.com/cppsource/safebool.html
- typedef void (String::*StringIfHelperType)() const;
- void StringIfHelper() const {}
-
-public:
- // constructors
- // creates a copy of the initial value.
- // if the initial value is null or invalid, or if memory allocation
- // fails, the string will be marked as invalid (i.e. "if (s)" will
- // be false).
- String(const char *cstr = "");
- String(const String &str);
- #ifdef __GXX_EXPERIMENTAL_CXX0X__
- String(String &&rval);
- String(StringSumHelper &&rval);
- #endif
- explicit String(char c);
- explicit String(unsigned char, unsigned char base=10);
- explicit String(int, unsigned char base=10);
- explicit String(unsigned int, unsigned char base=10);
- explicit String(long, unsigned char base=10);
- explicit String(unsigned long, unsigned char base=10);
- ~String(void);
-
- // memory management
- // return true on success, false on failure (in which case, the string
- // is left unchanged). reserve(0), if successful, will validate an
- // invalid string (i.e., "if (s)" will be true afterwards)
- unsigned char reserve(unsigned int size);
- inline unsigned int length(void) const {return len;}
-
- // creates a copy of the assigned value. if the value is null or
- // invalid, or if the memory allocation fails, the string will be
- // marked as invalid ("if (s)" will be false).
- String & operator = (const String &rhs);
- String & operator = (const char *cstr);
- #ifdef __GXX_EXPERIMENTAL_CXX0X__
- String & operator = (String &&rval);
- String & operator = (StringSumHelper &&rval);
- #endif
-
- // concatenate (works w/ built-in types)
-
- // returns true on success, false on failure (in which case, the string
- // is left unchanged). if the argument is null or invalid, the
- // concatenation is considered unsucessful.
- unsigned char concat(const String &str);
- unsigned char concat(const char *cstr);
- unsigned char concat(char c);
- unsigned char concat(unsigned char c);
- unsigned char concat(int num);
- unsigned char concat(unsigned int num);
- unsigned char concat(long num);
- unsigned char concat(unsigned long num);
-
- // if there's not enough memory for the concatenated value, the string
- // will be left unchanged (but this isn't signalled in any way)
- String & operator += (const String &rhs) {concat(rhs); return (*this);}
- String & operator += (const char *cstr) {concat(cstr); return (*this);}
- String & operator += (char c) {concat(c); return (*this);}
- String & operator += (unsigned char num) {concat(num); return (*this);}
- String & operator += (int num) {concat(num); return (*this);}
- String & operator += (unsigned int num) {concat(num); return (*this);}
- String & operator += (long num) {concat(num); return (*this);}
- String & operator += (unsigned long num) {concat(num); return (*this);}
-
- friend StringSumHelper & operator + (const StringSumHelper &lhs, const String &rhs);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, const char *cstr);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, char c);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned char num);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, int num);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned int num);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, long num);
- friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned long num);
-
- // comparison (only works w/ Strings and "strings")
- operator StringIfHelperType() const { return buffer ? &String::StringIfHelper : 0; }
- int compareTo(const String &s) const;
- unsigned char equals(const String &s) const;
- unsigned char equals(const char *cstr) const;
- unsigned char operator == (const String &rhs) const {return equals(rhs);}
- unsigned char operator == (const char *cstr) const {return equals(cstr);}
- unsigned char operator != (const String &rhs) const {return !equals(rhs);}
- unsigned char operator != (const char *cstr) const {return !equals(cstr);}
- unsigned char operator < (const String &rhs) const;
- unsigned char operator > (const String &rhs) const;
- unsigned char operator <= (const String &rhs) const;
- unsigned char operator >= (const String &rhs) const;
- unsigned char equalsIgnoreCase(const String &s) const;
- unsigned char startsWith( const String &prefix) const;
- unsigned char startsWith(const String &prefix, unsigned int offset) const;
- unsigned char endsWith(const String &suffix) const;
+ 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;
+ 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:
- // character acccess
- char charAt(unsigned int index) const;
- void setCharAt(unsigned int index, char c);
- char operator [] (unsigned int index) const;
- char& operator [] (unsigned int index);
- void getBytes(unsigned char *buf, unsigned int bufsize, unsigned int index=0) const;
- void toCharArray(char *buf, unsigned int bufsize, unsigned int index=0) const
- {getBytes((unsigned char *)buf, bufsize, index);}
-
- // search
- 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;
- String substring( unsigned int beginIndex ) const;
- String substring( unsigned int beginIndex, unsigned int endIndex ) const;
-
- // modification
- void replace(char find, char replace);
- void replace(const String& find, const String& replace);
- void toLowerCase(void);
- void toUpperCase(void);
- void trim(void);
-
- // parsing/conversion
- long toInt(void) const;
-
-protected:
- char *buffer; // the actual char array
- unsigned int capacity; // the array length minus one (for the '\0')
- unsigned int len; // the String length (not counting the '\0')
- unsigned char flags; // unused, for future features
-protected:
- void init(void);
- void invalidate(void);
- unsigned char changeBuffer(unsigned int maxStrLen);
- unsigned char concat(const char *cstr, unsigned int length);
-
- // copy and move
- String & copy(const char *cstr, unsigned int length);
- #ifdef __GXX_EXPERIMENTAL_CXX0X__
- void move(String &rhs);
- #endif
};
-class StringSumHelper : public String
+// allocate buffer space
+inline void String::getBuffer(unsigned int maxStrLen)
{
-public:
- StringSumHelper(const String &s) : String(s) {}
- StringSumHelper(const char *p) : String(p) {}
- StringSumHelper(char c) : String(c) {}
- StringSumHelper(unsigned char num) : String(num) {}
- StringSumHelper(int num) : String(num) {}
- StringSumHelper(unsigned int num) : String(num) {}
- StringSumHelper(long num) : String(num) {}
- StringSumHelper(unsigned long num) : String(num) {}
-};
+ _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 // __cplusplus
-#endif // String_class_h
+#endif