56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/* @file code_location.hpp */
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#pragma once
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#include "filename.hpp"
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#include "color.hpp"
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namespace xo {
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/* Example:
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* os << code_location("/path/to/foo.cpp", 123)
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* writes
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* foo.cpp:123
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* on stream os
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*/
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/* Tag to drive header-only expression */
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template <typename Tag>
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class code_location_impl {
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public:
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code_location_impl(std::string_view file,
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std::uint32_t line,
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color_encoding encoding = CE_Ansi,
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std::uint32_t color = 31 /*red*/)
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: file_{file}, line_{line}, encoding_{encoding}, color_{color} {}
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void print_code_location(std::ostream & os) const {
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os << "["
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<< with_color(encoding_, color_, basename(file_))
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<< ":"
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<< line_
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<< "]";
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} /*print_code_location*/
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private:
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/* __FILE__ */
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std::string_view file_;
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/* __LINE__ */
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std::uint32_t line_ = 0;
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/* color encoding for file,line */
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color_encoding encoding_ = CE_Ansi;
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/* color for file,line */
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std::uint32_t color_ = 0;
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}; /*code_location_impl*/
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using code_location = code_location_impl<class code_location_impl_tag>;
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inline std::ostream &
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operator<<(std::ostream & os,
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code_location const & x)
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{
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x.print_code_location(os);
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return os;
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}
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} /*namespace xo*/
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/* end code_location.hpp */
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