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windows cli colors revision and test case

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This commit is contained in:
Ryuuke
2015-02-08 16:08:29 +00:00
parent bce73e2bd8
commit 5a9dc8f991
3 changed files with 47 additions and 29 deletions
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format.cc
+38 -4
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@@ -35,6 +35,15 @@
#include <cmath>
#include <cstdarg>
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# ifdef __MINGW32__
# include <cstring>
# endif
# include <windows.h>
# undef ERROR
#endif
using fmt::internal::Arg;
// Check if exceptions are disabled.
@@ -113,9 +122,21 @@ struct IntChecker<true> {
};
#ifdef _WIN32
const char RESET_COLOR = FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE;
uint8_t win32_colors[] =
{
0,
FOREGROUND_RED | FOREGROUND_INTENSITY,
FOREGROUND_GREEN | FOREGROUND_INTENSITY,
FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY,
FOREGROUND_BLUE | FOREGROUND_INTENSITY,
FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_INTENSITY,
FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_BLUE,
FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY
};
WORD RESET_COLOR = 0;
bool reset_color_flag = false;
#else
const char RESET_COLOR[] = "\x1b[0m";
const char RESET_COLOR[] = "\x1b[0m";
#endif
typedef void (*FormatFunc)(fmt::Writer &, int, fmt::StringRef);
@@ -1096,7 +1117,19 @@ FMT_FUNC void fmt::print(std::ostream &os, StringRef format_str, ArgList args) {
FMT_FUNC void fmt::print_colored(Color c, StringRef format, ArgList args) {
#ifdef _WIN32
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
if (handle == INVALID_HANDLE_VALUE)
FMT_THROW(GetLastError(), "cannot get output handle");
if (!reset_color_flag) {
CONSOLE_SCREEN_BUFFER_INFO infoCon;
if (!GetConsoleScreenBufferInfo(handle, &infoCon))
FMT_THROW(GetLastError(), "cannot get console informations");
RESET_COLOR = infoCon.wAttributes;
reset_color_flag = true;
}
WORD color = static_cast<int>(c) >= ARRAYSIZE(win32_colors) ? RESET_COLOR : win32_colors[c];
if (!SetConsoleTextAttribute(handle, color))
FMT_THROW(GetLastError(), "cannot set console color");
#else
char escape[] = "\x1b[30m";
escape[3] = '0' + static_cast<char>(c);
@@ -1104,7 +1137,8 @@ FMT_FUNC void fmt::print_colored(Color c, StringRef format, ArgList args) {
#endif
print(format, args);
#ifdef _WIN32
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), RESET_COLOR);
if(!SetConsoleTextAttribute(handle, RESET_COLOR))
FMT_THROW(GetLastError(), "cannot set console color");
#else
std::fputs(RESET_COLOR, stdout);
#endif