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Support older compilers with missing <codecvt> header.

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This commit is contained in:
Kevin M. Godby
2020-06-16 13:29:02 -05:00
parent 50f89e150d
commit 74c36cbb93
1 changed files with 16 additions and 0 deletions
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16
include/indicators/display_width.hpp
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@@ -1,7 +1,10 @@
#pragma once
#include <clocale>
#if __has_include(<codecvt>)
#include <codecvt>
#define INDICATORS_HAVE_CODECVT 1
#endif
#include <cstdlib>
#include <locale>
#include <string>
@@ -9,6 +12,7 @@
namespace unicode {
#if INDICATORS_HAVE_CODECVT
namespace details {
/*
@@ -295,4 +299,16 @@ static inline int display_width(const std::wstring &input) {
return details::mk_wcswidth(input.c_str(), input.size());
}
#else
static inline int display_width(const std::string &input) {
return input.length();
}
static inline int display_width(const std::wstring &input) {
return input.length();
}
#endif
} // namespace unicode