Utility library. Some string and mbed memory utilities.
Dependents: 19E042PIM_T3_2020_0639
Revision 0:3d93ff64fdee, committed 2011-06-19
- Comitter:
- Phlaphead
- Date:
- Sun Jun 19 13:13:00 2011 +0000
- Commit message:
- Initial Revision
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbedUtils.cpp Sun Jun 19 13:13:00 2011 +0000 @@ -0,0 +1,16 @@ + +#include "mbedUtils.h" + +#include "mbed.h" + + +int getFreeMemory() +{ + // Return the difference between the heap pointer and stack pointer. + char stackVar = '\0'; + char* stackPtr = &stackVar; + char* heapPtr = (char*)malloc(sizeof(char)); + int memFree = stackPtr - heapPtr; + free(heapPtr); + return memFree; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbedUtils.h Sun Jun 19 13:13:00 2011 +0000 @@ -0,0 +1,31 @@ +/* +Copyright (c) 2011 Robert Ellis (holistic [at] robellis [dot] org [dot] uk) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +#ifndef MBED_UTILS_H +#define MBED_UTILS_H + +/** + * Get the amount of free RAM left on the mbed in bytes. + */ +int getFreeMemory(); + +#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stringUtils.cpp Sun Jun 19 13:13:00 2011 +0000 @@ -0,0 +1,44 @@ + + +#include "stringUtils.h" + +using namespace std; + +string trim(const string& src, const string& c) +{ + int p2 = src.find_last_not_of(c); + if (p2 == string::npos) + { + return string(); + } + + int p1 = src.find_first_not_of(c); + if (p1 == string::npos) + { + p1 = 0; + } + + return src.substr(p1, (p2-p1)+1); +} + +vector<string> tokenize(const string& str, const string& delimiters) +{ + vector<string> tokens; + + // Skip delimiters at beginning. + string::size_type lastPos = str.find_first_not_of(delimiters, 0); + // Find first "non-delimiter". + string::size_type pos = str.find_first_of(delimiters, lastPos); + + while (string::npos != pos || string::npos != lastPos) + { + // Found a token, add it to the vector. + tokens.push_back(str.substr(lastPos, pos - lastPos)); + // Skip delimiters. Note the "not_of" + lastPos = str.find_first_not_of(delimiters, pos); + // Find next "non-delimiter" + pos = str.find_first_of(delimiters, lastPos); + } + + return tokens; +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stringUtils.h Sun Jun 19 13:13:00 2011 +0000 @@ -0,0 +1,40 @@ +/* +Copyright (c) 2011 Robert Ellis (holistic [at] robellis [dot] org [dot] uk) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +#ifndef STRING_UTILS_H +#define STRING_UTILS_H + +#include <string> +#include <vector> +using namespace std; + +/** + * Trims whitespace characters from beginning and end of given string. + */ +string trim(const string& src, const string& c = " \r\n"); + +/** + * Tokenize given string delimmted by given delimter into a vector of seprate strings. + */ +vector<string> tokenize(const string& str, const string& delimiters = " "); + +#endif