error.h

#ifndef FILESEQ_ERROR_H_
#define FILESEQ_ERROR_H_
 
#include <iostream>
#include <ostream>
#include <string>
 
 
#ifdef __GNUC__
#define DEPRECATED(func) func __attribute__ ((deprecated))
#elif defined(_MSC_VER)
#define DEPRECATED(func) __declspec(deprecated) func
#else
#pragma message("WARNING: You need to implement DEPRECATED for this compiler")
#define DEPRECATED(func) func
#endif
 
 
namespace fileseq {
 
 
class Status {
 
public:
    Status() = default;
 
    operator bool() const { return m_error.empty(); }
 
    operator std::string() const { return m_error; }
 
    Status(const Status& rhs) : m_error(rhs.m_error) {}
 
    Status& operator=(const Status& rhs) {
        m_error = rhs.m_error;
        return *this;
    }
 
    void clearError() { m_error.clear(); }
    void setError(const std::string &err) { m_error = err; }
    void setError(const char* err) { m_error = err; }
 
    friend std::ostream& operator<< (std::ostream& stream, const Status& stat) {
        stream << (std::string)stat;
        return stream;
    }
 
private:
    std::string m_error;
 
};
 
 
namespace internal {
 
void handleErrorStatus(const std::string &msg, Status* stat= nullptr);
 
void setError(const std::string &msg, Status* stat);
 
} // internal
 
 
} // fileseq
 
#endif // FILESEQ_ERROR_H_