From 15f51fc1f804a86928448f5a54a2850a291cfc73 Mon Sep 17 00:00:00 2001 From: Tom Igoe Date: Mon, 29 Nov 2010 11:31:00 -0500 Subject: added toInt() function to WString --- cores/arduino/WCharacter.h | 169 +++++++++++++++++++++++++++++++++++++++++++++ cores/arduino/WString.cpp | 16 +++++ cores/arduino/WString.h | 1 + cores/arduino/wiring.h | 1 + 4 files changed, 187 insertions(+) create mode 100644 cores/arduino/WCharacter.h (limited to 'cores') diff --git a/cores/arduino/WCharacter.h b/cores/arduino/WCharacter.h new file mode 100644 index 0000000..9b3e7fc --- /dev/null +++ b/cores/arduino/WCharacter.h @@ -0,0 +1,169 @@ +/* + WCharacter.h - Character utility functions for Wiring & Arduino + Copyright (c) 2010 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 Character_h +#define Character_h + + +#include "WProgram.h" + +// WCharacter.h prototypes +inline boolean isAlphaNumeric(int c) __attribute__((always_inline)); +inline boolean isAlpha(int c) __attribute__((always_inline)); +inline boolean isAscii(int c) __attribute__((always_inline)); +inline boolean isWhitespace(int c) __attribute__((always_inline)); +inline boolean isControl(int c) __attribute__((always_inline)); +inline boolean isDigit(int c) __attribute__((always_inline)); +inline boolean isGraph(int c) __attribute__((always_inline)); +inline boolean isLowerCase(int c) __attribute__((always_inline)); +inline boolean isPrintable(int c) __attribute__((always_inline)); +inline boolean isPunct(int c) __attribute__((always_inline)); +inline boolean isSpace(int c) __attribute__((always_inline)); +inline boolean isUpperCase(int c) __attribute__((always_inline)); +inline boolean isHexadecimalDigit(int c) __attribute__((always_inline)); +inline int toAscii(int c) __attribute__((always_inline)); +inline int toLowerCase(int c) __attribute__((always_inline)); +inline int toUpperCase(int c)__attribute__((always_inline)); + + +// Checks for an alphanumeric character. +// It is equivalent to (isalpha(c) || isdigit(c)). +inline boolean isAlphaNumeric(int c) +{ + return ( isalnum(c) == 0 ? false : true); +} + + +// Checks for an alphabetic character. +// It is equivalent to (isupper(c) || islower(c)). +inline boolean isAlpha(int c) +{ + return ( isalpha(c) == 0 ? false : true); +} + + +// Checks whether c is a 7-bit unsigned char value +// that fits into the ASCII character set. +inline boolean isAscii(int c) +{ + return ( isascii (c) == 0 ? false : true); +} + + +// Checks for a blank character, that is, a space or a tab. +inline boolean isWhitespace(int c) +{ + return ( isblank (c) == 0 ? false : true); +} + + +// Checks for a control character. +inline boolean isControl(int c) +{ + return ( iscntrl (c) == 0 ? false : true); +} + + +// Checks for a digit (0 through 9). +inline boolean isDigit(int c) +{ + return ( isdigit (c) == 0 ? false : true); +} + + +// Checks for any printable character except space. +inline boolean isGraph(int c) +{ + return ( isgraph (c) == 0 ? false : true); +} + + +// Checks for a lower-case character. +inline boolean isLowerCase(int c) +{ + return (islower (c) == 0 ? false : true); +} + + +// Checks for any printable character including space. +inline boolean isPrintable(int c) +{ + return ( isprint (c) == 0 ? false : true); +} + + +// Checks for any printable character which is not a space +// or an alphanumeric character. +inline boolean isPunct(int c) +{ + return ( ispunct (c) == 0 ? false : true); +} + + +// Checks for white-space characters. For the avr-libc library, +// these are: space, formfeed (’\f’), newline (’\n’), carriage +// return (’\r’), horizontal tab (’\t’), and vertical tab (’\v’). +inline boolean isSpace(int c) +{ + return ( isspace (c) == 0 ? false : true); +} + + +// Checks for an uppercase letter. +inline boolean isUpperCase(int c) +{ + return ( isupper (c) == 0 ? false : true); +} + + +// Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 +// 8 9 a b c d e f A B C D E F. +inline boolean isHexadecimalDigit(int c) +{ + return ( isxdigit (c) == 0 ? false : true); +} + + +// Converts c to a 7-bit unsigned char value that fits into the +// ASCII character set, by clearing the high-order bits. +inline int toAscii(int c) +{ + return toascii (c); +} + + +// Warning: +// Many people will be unhappy if you use this function. +// This function will convert accented letters into random +// characters. + +// Converts the letter c to lower case, if possible. +inline int toLowerCase(int c) +{ + return tolower (c); +} + + +// Converts the letter c to upper case, if possible. +inline int toUpperCase(int c) +{ + return toupper (c); +} + +#endif \ No newline at end of file diff --git a/cores/arduino/WString.cpp b/cores/arduino/WString.cpp index 2718956..b13123b 100644 --- a/cores/arduino/WString.cpp +++ b/cores/arduino/WString.cpp @@ -434,3 +434,19 @@ void String::toCharArray(char *buf, unsigned int bufsize) strncpy(buf, _buffer, len); buf[len] = 0; } + + +long String::toInt() { + String temp = _buffer; + long value = 0; + + for (unsigned int charPos = 0; charPos < _length; charPos++) { + int thisChar = temp[charPos]; + if (isdigit(thisChar)) { + value *= 10; + value += (thisChar - '0'); + } + } + + return value; +} diff --git a/cores/arduino/WString.h b/cores/arduino/WString.h index fb87c52..cadddb9 100644 --- a/cores/arduino/WString.h +++ b/cores/arduino/WString.h @@ -78,6 +78,7 @@ class String 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 ); diff --git a/cores/arduino/wiring.h b/cores/arduino/wiring.h index 027a8d1..e29959b 100755 --- a/cores/arduino/wiring.h +++ b/cores/arduino/wiring.h @@ -96,6 +96,7 @@ extern "C"{ #define bitClear(value, bit) ((value) &= ~(1UL << (bit))) #define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit)) + typedef unsigned int word; #define bit(b) (1UL << (b)) -- cgit v1.2.3-18-g5258