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me-no-dev
2016-10-06 14:21:30 +03:00
committed by Ivan Grokhotkov
parent 668acc2c08
commit 5f3a205955
657 changed files with 170176 additions and 0 deletions
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cores/esp32/WString.h Normal file
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/*
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
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_class_h
#define String_class_h
#ifdef __cplusplus
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
//#include <pgmspace.h>
// An inherited class for holding the result of a concatenation. These
// result objects are assumed to be writable by subsequent concatenations.
class StringSumHelper;
// an abstract class used as a means to proide a unique pointer type
// but really has no body
class __FlashStringHelper;
#define FPSTR(pstr_pointer) (reinterpret_cast<const __FlashStringHelper *>(pstr_pointer))
#define F(string_literal) (FPSTR(PSTR(string_literal)))
// 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);
//String(const __FlashStringHelper *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);
explicit String(float, unsigned char decimalPlaces = 2);
explicit String(double, unsigned char decimalPlaces = 2);
~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
{
if(buffer) {
return len;
} else {
return 0;
}
}
// 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);
//String & operator = (const __FlashStringHelper *str);
#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);
unsigned char concat(float num);
unsigned char concat(double num);
//unsigned char concat(const __FlashStringHelper * str);
// 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);
}
String & operator +=(float num)
{
concat(num);
return (*this);
}
String & operator +=(double num)
{
concat(num);
return (*this);
}
//String & operator += (const __FlashStringHelper *str){
// concat(str);
// 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);
friend StringSumHelper & operator +(const StringSumHelper &lhs, float num);
friend StringSumHelper & operator +(const StringSumHelper &lhs, double num);
//friend StringSumHelper & operator +(const StringSumHelper &lhs, const __FlashStringHelper *rhs);
// 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;
// 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);
}
const char * c_str() const
{
return buffer;
}
// 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
{
return substring(beginIndex, len);
}
;
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 remove(unsigned int index);
void remove(unsigned int index, unsigned int count);
void toLowerCase(void);
void toUpperCase(void);
void trim(void);
// parsing/conversion
long toInt(void) const;
float toFloat(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')
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);
//String & copy(const __FlashStringHelper *pstr, unsigned int length);
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void move(String &rhs);
#endif
};
class StringSumHelper: public String
{
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)
{
}
StringSumHelper(float num) :
String(num)
{
}
StringSumHelper(double num) :
String(num)
{
}
};
#endif // __cplusplus
#endif // String_class_h