Convenience.h

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#ifndef CONVENIENCE_H_LU7GZ6CB
#define CONVENIENCE_H_LU7GZ6CB

#include "uscxml/Common.h"
#include <string>
#include <limits>
#include <sstream>

namespace uscxml {
inline bool isnan(double x);

// see http://stackoverflow.com/questions/228005/alternative-to-itoa-for-converting-integer-to-string-c
template <typename T> std::string toStr(T tmp) {
    std::ostringstream outSS;
    outSS.precision(std::numeric_limits<double>::digits10 + 1);
    outSS << tmp;
    return outSS.str();
}

template <typename T> T strTo(std::string tmp) {
    T output;
    std::istringstream in(tmp);
    in >> output;
    return output;
}

class USCXML_API NumAttr {
public:
    NumAttr(const std::string& str);
    std::string value;
    std::string unit;
};

bool isNumeric(const char* pszInput, int nNumberBase);
bool isInteger( const char* pszInput, int nNumberBase);
bool iequals(const std::string& a, const std::string& b);
bool equals(const std::string& a, const std::string& b);
bool stringIsTrue(const std::string& value);
bool envVarIsTrue(const char* name);
bool envVarIEquals(const char* name, const char* value);

std::string escape(const std::string& a);
std::string unescape(const std::string& a);

}
#endif /* end of include guard: CONVENIENCE_H_LU7GZ6CB */