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feat: put color to the internal error messages

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ToruNiina
2019-11-13 17:25:17 +09:00
parent c2d0351e69
commit 87bebbc37d
1 changed files with 26 additions and 12 deletions
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38
toml/region.hpp
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@@ -9,6 +9,7 @@
#include <iterator>
#include <iomanip>
#include <cassert>
#include "color.hpp"
namespace toml
{
@@ -432,7 +433,13 @@ inline std::string format_underline(const std::string& message,
)->first->line_num().size());
std::ostringstream retval;
retval << message << '\n';
#ifdef TOML11_COLORIZE_ERROR_MESSAGE
retval << color::colorize; // turn on ANSI color
#endif
retval << color::bold << color::red << "[error] " << color::reset
<< color::bold << message << color::reset << '\n';
for(auto iter = reg_com.begin(); iter != reg_com.end(); ++iter)
{
@@ -440,34 +447,41 @@ inline std::string format_underline(const std::string& message,
if(iter != reg_com.begin() &&
std::prev(iter)->first->name() == iter->first->name())
{
retval << "\n ...\n";
retval << color::bold << color::blue << "\n ...\n" << color::reset;
}
else // if filename differs, print " --> filename.toml"
{
if(iter != reg_com.begin()) {retval << '\n';}
retval << " --> " << iter->first->name() << '\n';
retval << color::bold << color::blue << " --> " << color::reset
<< iter->first->name() << '\n';
// add one almost-empty line for readability
retval << make_string(static_cast<std::size_t>(line_num_width + 1), ' ')
<< color::bold << color::blue << " | " << color::reset << '\n';
}
const region_base* const reg = iter->first;
const std::string& comment = iter->second;
retval << ' ' << std::setw(line_num_width) << reg->line_num();
retval << " | " << reg->line() << '\n';
retval << make_string(static_cast<std::size_t>(line_num_width + 1), ' ');
retval << " | " << make_string(reg->before(), ' ');
retval << ' ' << std::setw(line_num_width) << color::bold << color::blue
<< reg->line_num() << " | " << color::reset << reg->line() << '\n';
retval << make_string(static_cast<std::size_t>(line_num_width + 1), ' ')
<< color::bold << color::blue << " | " << color::reset
<< make_string(reg->before(), ' ');
if(reg->size() == 1)
{
// invalid
// ^------
retval << '^';
retval << make_string(reg->after(), '-');
retval << color::bold << color::red
<< '^' << make_string(reg->after(), '-') << color::reset;
}
else
{
// invalid
// ~~~~~~~
const auto underline_len = std::min(reg->size(), reg->line().size());
retval << make_string(underline_len, '~');
retval << color::bold << color::red
<< make_string(underline_len, '~') << color::reset;
}
retval << ' ';
retval << comment;
@@ -477,10 +491,10 @@ inline std::string format_underline(const std::string& message,
{
retval << '\n';
retval << make_string(static_cast<std::size_t>(line_num_width + 1), ' ');
retval << " | ";
retval << color::bold << color::blue << " | " << color::reset;
for(const auto help : helps)
{
retval << "\nHint: ";
retval << color::bold << "\nHint: " << color::reset;
retval << help;
}
}