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support for color formatting

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gabime
2018-04-06 02:24:07 +03:00
parent 93d41b2c0e
commit c8610d9a86
18 changed files with 105 additions and 73 deletions
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30
include/spdlog/sinks/ansicolor_sink.h
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@@ -28,9 +28,9 @@ public:
: target_file_(file)
{
should_do_colors_ = details::os::in_terminal(file) && details::os::is_color_terminal();
colors_[level::trace] = cyan;
colors_[level::trace] = magenta;
colors_[level::debug] = cyan;
colors_[level::info] = reset;
colors_[level::info] = green;
colors_[level::warn] = yellow + bold;
colors_[level::err] = red + bold;
colors_[level::critical] = bold + on_red;
@@ -83,17 +83,20 @@ protected:
{
// Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
if (should_do_colors_)
if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
{
const std::string &prefix = colors_[msg.level];
fwrite(prefix.data(), sizeof(char), prefix.size(), target_file_);
fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), target_file_);
fwrite(reset.data(), sizeof(char), reset.size(), target_file_);
fwrite(clear_line.data(), sizeof(char), clear_line.size(), target_file_);
// before color range
_print_range(msg, 0, msg.color_range_start);
// in color range
_print_ccode(colors_[msg.level]);
_print_range(msg, msg.color_range_start, msg.color_range_end);
_print_ccode(reset);
// after color range
_print_range(msg, msg.color_range_end, msg.formatted.size());
}
else
{
fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), target_file_);
_print_range(msg, 0, msg.formatted.size());
}
_flush();
}
@@ -103,6 +106,15 @@ protected:
fflush(target_file_);
}
private:
void _print_ccode(const std::string &color_code)
{
fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
}
void _print_range(const details::log_msg &msg, size_t start, size_t end)
{
fwrite(msg.formatted.data() + start, sizeof(char), end - start, target_file_);
}
FILE *target_file_;
bool should_do_colors_;
std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;