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-rw-r--r--cores/robot/WString.cpp117
-rw-r--r--cores/robot/WString.h21
2 files changed, 129 insertions, 9 deletions
diff --git a/cores/robot/WString.cpp b/cores/robot/WString.cpp
index c6839fc..8c85cc5 100644
--- a/cores/robot/WString.cpp
+++ b/cores/robot/WString.cpp
@@ -38,6 +38,12 @@ String::String(const String &value)
*this = value;
}
+String::String(const __FlashStringHelper *pstr)
+{
+ init();
+ *this = pstr;
+}
+
#ifdef __GXX_EXPERIMENTAL_CXX0X__
String::String(String &&rval)
{
@@ -100,6 +106,20 @@ String::String(unsigned long value, unsigned char base)
*this = buf;
}
+String::String(float value, int decimalPlaces)
+{
+ init();
+ char buf[33];
+ *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf);
+}
+
+String::String(double value, int decimalPlaces)
+{
+ init();
+ char buf[33];
+ *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf);
+}
+
String::~String()
{
free(buffer);
@@ -160,6 +180,17 @@ String & String::copy(const char *cstr, unsigned int length)
return *this;
}
+String & String::copy(const __FlashStringHelper *pstr, unsigned int length)
+{
+ if (!reserve(length)) {
+ invalidate();
+ return *this;
+ }
+ len = length;
+ strcpy_P(buffer, (const prog_char *)pstr);
+ return *this;
+}
+
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void String::move(String &rhs)
{
@@ -214,6 +245,14 @@ String & String::operator = (const char *cstr)
return *this;
}
+String & String::operator = (const __FlashStringHelper *pstr)
+{
+ if (pstr) copy(pstr, strlen_P((const prog_char *)pstr));
+ else invalidate();
+
+ return *this;
+}
+
/*********************************************/
/* concat */
/*********************************************/
@@ -257,14 +296,14 @@ unsigned char String::concat(unsigned char num)
unsigned char String::concat(int num)
{
- char buf[7];
+ char buf[12];
itoa(num, buf, 10);
return concat(buf, strlen(buf));
}
unsigned char String::concat(unsigned int num)
{
- char buf[6];
+ char buf[11];
utoa(num, buf, 10);
return concat(buf, strlen(buf));
}
@@ -283,6 +322,32 @@ unsigned char String::concat(unsigned long num)
return concat(buf, strlen(buf));
}
+unsigned char String::concat(float num)
+{
+ char buf[20];
+ char* string = dtostrf(num, 8, 6, buf);
+ return concat(string, strlen(string));
+}
+
+unsigned char String::concat(double num)
+{
+ char buf[20];
+ char* string = dtostrf(num, 8, 6, buf);
+ return concat(string, strlen(string));
+}
+
+unsigned char String::concat(const __FlashStringHelper * str)
+{
+ if (!str) return 0;
+ int length = strlen_P((const char *) str);
+ if (length == 0) return 1;
+ unsigned int newlen = len + length;
+ if (!reserve(newlen)) return 0;
+ strcpy_P(buffer + len, (const char *) str);
+ len = newlen;
+ return 1;
+}
+
/*********************************************/
/* Concatenate */
/*********************************************/
@@ -343,6 +408,27 @@ StringSumHelper & operator + (const StringSumHelper &lhs, unsigned long num)
return a;
}
+StringSumHelper & operator + (const StringSumHelper &lhs, float num)
+{
+ StringSumHelper &a = const_cast<StringSumHelper&>(lhs);
+ if (!a.concat(num)) a.invalidate();
+ return a;
+}
+
+StringSumHelper & operator + (const StringSumHelper &lhs, double num)
+{
+ StringSumHelper &a = const_cast<StringSumHelper&>(lhs);
+ if (!a.concat(num)) a.invalidate();
+ return a;
+}
+
+StringSumHelper & operator + (const StringSumHelper &lhs, const __FlashStringHelper *rhs)
+{
+ StringSumHelper &a = const_cast<StringSumHelper&>(lhs);
+ if (!a.concat(rhs)) a.invalidate();
+ return a;
+}
+
/*********************************************/
/* Comparison */
/*********************************************/
@@ -527,11 +613,6 @@ int String::lastIndexOf(const String &s2, unsigned int fromIndex) const
return found;
}
-String String::substring( unsigned int left ) const
-{
- return substring(left, len);
-}
-
String String::substring(unsigned int left, unsigned int right) const
{
if (left > right) {
@@ -604,6 +685,22 @@ void String::replace(const String& find, const String& replace)
}
}
+void String::remove(unsigned int index){
+ if (index >= len) { return; }
+ int count = len - index;
+ remove(index, count);
+}
+
+void String::remove(unsigned int index, unsigned int count){
+ if (index >= len) { return; }
+ if (count <= 0) { return; }
+ if (index + count > len) { count = len - index; }
+ char *writeTo = buffer + index;
+ len = len - count;
+ strncpy(writeTo, buffer + index + count,len - index);
+ buffer[len] = 0;
+}
+
void String::toLowerCase(void)
{
if (!buffer) return;
@@ -642,4 +739,8 @@ long String::toInt(void) const
return 0;
}
-
+float String::toFloat(void) const
+{
+ if (buffer) return float(atof(buffer));
+ return 0;
+}
diff --git a/cores/robot/WString.h b/cores/robot/WString.h
index 642b016..4b9e64e 100644
--- a/cores/robot/WString.h
+++ b/cores/robot/WString.h
@@ -58,6 +58,7 @@ public:
// be false).
String(const char *cstr = "");
String(const String &str);
+ String(const __FlashStringHelper *str);
#ifdef __GXX_EXPERIMENTAL_CXX0X__
String(String &&rval);
String(StringSumHelper &&rval);
@@ -68,6 +69,8 @@ public:
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, int decimalPlaces=6);
+ explicit String(double, int decimalPlaces=6);
~String(void);
// memory management
@@ -82,6 +85,7 @@ public:
// 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);
@@ -100,6 +104,9 @@ public:
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)
@@ -111,6 +118,9 @@ public:
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);
@@ -120,6 +130,9 @@ public:
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; }
@@ -158,18 +171,21 @@ public:
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 ) 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
@@ -184,6 +200,7 @@ protected:
// 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
@@ -200,6 +217,8 @@ public:
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
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 09:13:03 +0000