Added LogStream class for uniform color output handling.
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57e9de6b05
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b599670572
@ -3,7 +3,7 @@
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#include <iostream>
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#include <unistd.h>
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#include <plasp/utils/LogStream.h>
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namespace plasp
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{
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@ -41,23 +41,27 @@ enum class FontWeight
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struct Format
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{
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Format(Color color, FontWeight fontWeight = FontWeight::Normal)
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: color{color},
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fontWeight{fontWeight}
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: m_color{color},
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m_fontWeight{fontWeight}
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{
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}
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Color color;
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FontWeight fontWeight;
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Color m_color;
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FontWeight m_fontWeight;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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std::ostream &operator<<(std::ostream &ostream, const Format &format)
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template<StandardStream StandardStream>
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LogStream<StandardStream> &operator<<(LogStream<StandardStream> &stream, const Format &format)
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{
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const auto fontWeightCode = static_cast<size_t>(format.fontWeight);
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const auto colorCode = 30 + static_cast<size_t>(format.color);
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if (!stream.supportsColor())
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return stream;
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return (ostream << "\033[" << fontWeightCode << ";" << colorCode << "m");
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const auto fontWeightCode = static_cast<size_t>(format.m_fontWeight);
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const auto colorCode = 30 + static_cast<size_t>(format.m_color);
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return (stream << "\033[" << fontWeightCode << ";" << colorCode << "m");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -68,9 +72,13 @@ class ResetFormat
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////////////////////////////////////////////////////////////////////////////////////////////////////
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std::ostream &operator<<(std::ostream &ostream, const ResetFormat &)
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template<StandardStream StandardStream>
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LogStream<StandardStream> &operator<<(LogStream<StandardStream> &stream, const ResetFormat &)
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{
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return (ostream << "\033[0m");
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if (!stream.supportsColor())
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return stream;
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return (stream << "\033[0m");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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247
include/plasp/utils/LogStream.h
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247
include/plasp/utils/LogStream.h
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@ -0,0 +1,247 @@
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#ifndef __PLASP__UTILS__LOG_STREAM_H
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#define __PLASP__UTILS__LOG_STREAM_H
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#include <iostream>
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#include <unistd.h>
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namespace plasp
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{
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namespace utils
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// LogStream
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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enum class StandardStream
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{
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Out,
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Err
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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class LogStream
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{
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private:
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using CharacterType = std::ostream::char_type;
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using TraitsType = std::ostream::traits_type;
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public:
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bool supportsColor() const
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{
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const auto fileDescriptor =
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(StandardStream == StandardStream::Out)
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? STDOUT_FILENO
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: STDERR_FILENO;
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return isatty(fileDescriptor);
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}
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std::ostream &ostream()
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{
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return (StandardStream == StandardStream::Out)
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? std::cout
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: std::cerr;
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}
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LogStream &operator<<(short value);
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LogStream &operator<<(unsigned short value);
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LogStream &operator<<(int value);
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LogStream &operator<<(unsigned int value);
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LogStream &operator<<(long value);
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LogStream &operator<<(unsigned long value);
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LogStream &operator<<(long long value);
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LogStream &operator<<(unsigned long long value);
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LogStream &operator<<(float value);
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LogStream &operator<<(double value);
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LogStream &operator<<(long double value);
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LogStream &operator<<(bool value);
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LogStream &operator<<(const void *value);
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LogStream &operator<<(const char *value);
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LogStream &operator<<(std::basic_streambuf<CharacterType, TraitsType> *sb);
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LogStream &operator<<(std::ios_base &(*func)(std::ios_base &));
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LogStream &operator<<(std::basic_ios<CharacterType, TraitsType> &(*func)(std::basic_ios<CharacterType, TraitsType> &));
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LogStream &operator<<(std::basic_ostream<CharacterType, TraitsType> &(*func)(std::basic_ostream<CharacterType, TraitsType> &));
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(short value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(unsigned short value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(int value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(unsigned int value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(long value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(unsigned long value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(long long value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(unsigned long long value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(float value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(double value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(long double value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(bool value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(const void *value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(const char *value)
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{
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ostream() << value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(std::basic_streambuf<CharacterType, TraitsType>* sb)
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{
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ostream() << sb;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(std::ios_base &(*func)(std::ios_base &))
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{
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ostream() << func;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(std::basic_ios<CharacterType, TraitsType> &(*func)(std::basic_ios<CharacterType, TraitsType> &))
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{
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ostream() << func;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream>
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LogStream<StandardStream> &LogStream<StandardStream>::operator<<(std::basic_ostream<CharacterType, TraitsType> &(*func)(std::basic_ostream<CharacterType, TraitsType> &))
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{
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ostream() << func;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<StandardStream StandardStream, class CharacterType, class Traits, class Allocator>
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LogStream<StandardStream> &operator<<(LogStream<StandardStream> &stream, const std::basic_string<CharacterType, Traits, Allocator> &string)
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{
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stream.ostream() << string;
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return stream;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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}
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#endif
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@ -1,6 +1,7 @@
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#include <plasp/utils/Logger.h>
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#include <plasp/utils/Formatting.h>
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#include <plasp/utils/LogStream.h>
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namespace plasp
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{
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@ -63,50 +64,29 @@ void Logger::setWarningLevel(WarningLevel warningLevel)
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void Logger::logError(const std::string &message)
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{
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if (isatty(STDERR_FILENO))
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{
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std::cerr
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<< Format(Color::Red, FontWeight::Bold) << "error:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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else
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{
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std::cerr
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<< "error:"
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<< " "
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<< message
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<< std::endl;
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}
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LogStream<StandardStream::Err> stream;
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stream
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<< Format(Color::Red, FontWeight::Bold) << "error:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void Logger::logError(const Parser::Coordinate &coordinate, const std::string &message)
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{
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if (isatty(STDERR_FILENO))
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{
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std::cerr
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<< Format(Color::White, FontWeight::Bold) << coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< ResetFormat() << " "
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<< Format(Color::Red, FontWeight::Bold) << "error:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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else
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{
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std::cerr
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<< coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< " "
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<< "error:"
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<< " "
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<< message
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<< std::endl;
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}
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LogStream<StandardStream::Err> stream;
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stream
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<< Format(Color::White, FontWeight::Bold) << coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< ResetFormat() << " "
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<< Format(Color::Red, FontWeight::Bold) << "error:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -121,28 +101,16 @@ void Logger::logWarning(const Parser &parser, const std::string &message)
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const auto coordinate = parser.coordinate();
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if (isatty(STDERR_FILENO))
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{
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std::cerr
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<< Format(Color::White, FontWeight::Bold) << coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< ResetFormat() << " "
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<< Format(Color::Magenta, FontWeight::Bold) << "warning:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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else
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{
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std::cerr
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<< coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< " "
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<< "warning:"
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<< " "
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<< message
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<< std::endl;
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}
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LogStream<StandardStream::Err> stream;
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stream
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<< Format(Color::White, FontWeight::Bold) << coordinate.sectionName << ":"
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<< std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) << ":"
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<< ResetFormat() << " "
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<< Format(Color::Magenta, FontWeight::Bold) << "warning:"
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<< ResetFormat() << " "
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<< Format(Color::White, FontWeight::Bold) << message
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<< ResetFormat() << std::endl;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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