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authorbunnei <bunneidev@gmail.com>2014-12-14 07:59:18 +0100
committerbunnei <bunneidev@gmail.com>2014-12-14 07:59:18 +0100
commit8eac8ee3f3111487129acf17d22c9ef1c9f9f868 (patch)
treeb4f98b08605b4c82f8084e7fb7c84798612ba1e9
parentMerge pull request #274 from lioncash/kernel (diff)
parentRestore the original console color after logging a message. (diff)
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-rw-r--r--src/common/logging/text_formatter.cpp36
-rw-r--r--src/common/logging/text_formatter.h2
2 files changed, 25 insertions, 13 deletions
diff --git a/src/common/logging/text_formatter.cpp b/src/common/logging/text_formatter.cpp
index 3fe435346..f6b02fd47 100644
--- a/src/common/logging/text_formatter.cpp
+++ b/src/common/logging/text_formatter.cpp
@@ -54,12 +54,22 @@ void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len) {
TrimSourcePath(entry.location.c_str()), entry.message.c_str());
}
-static void ChangeConsoleColor(Level level) {
+void PrintMessage(const Entry& entry) {
+ std::array<char, 4 * 1024> format_buffer;
+ FormatLogMessage(entry, format_buffer.data(), format_buffer.size());
+ fputs(format_buffer.data(), stderr);
+ fputc('\n', stderr);
+}
+
+void PrintColoredMessage(const Entry& entry) {
#ifdef _WIN32
static HANDLE console_handle = GetStdHandle(STD_ERROR_HANDLE);
+ CONSOLE_SCREEN_BUFFER_INFO original_info = {0};
+ GetConsoleScreenBufferInfo(console_handle, &original_info);
+
WORD color = 0;
- switch (level) {
+ switch (entry.log_level) {
case Level::Trace: // Grey
color = FOREGROUND_INTENSITY; break;
case Level::Debug: // Cyan
@@ -76,9 +86,9 @@ static void ChangeConsoleColor(Level level) {
SetConsoleTextAttribute(console_handle, color);
#else
-#define ESC "\x1b"
+# define ESC "\x1b"
const char* color = "";
- switch (level) {
+ switch (entry.log_level) {
case Level::Trace: // Grey
color = ESC "[1;30m"; break;
case Level::Debug: // Cyan
@@ -92,18 +102,18 @@ static void ChangeConsoleColor(Level level) {
case Level::Critical: // Bright magenta
color = ESC "[1;35m"; break;
}
-#undef ESC
fputs(color, stderr);
#endif
-}
-void PrintMessage(const Entry& entry) {
- ChangeConsoleColor(entry.log_level);
- std::array<char, 4 * 1024> format_buffer;
- FormatLogMessage(entry, format_buffer.data(), format_buffer.size());
- fputs(format_buffer.data(), stderr);
- fputc('\n', stderr);
+ PrintMessage(entry);
+
+#ifdef _WIN32
+ SetConsoleTextAttribute(console_handle, original_info.wAttributes);
+#else
+ fputs(ESC "[0m", stderr);
+# undef ESC
+#endif
}
void TextLoggingLoop(std::shared_ptr<Logger> logger, const Filter* filter) {
@@ -117,7 +127,7 @@ void TextLoggingLoop(std::shared_ptr<Logger> logger, const Filter* filter) {
for (size_t i = 0; i < num_entries; ++i) {
const Entry& entry = entry_buffer[i];
if (filter->CheckMessage(entry.log_class, entry.log_level)) {
- PrintMessage(entry);
+ PrintColoredMessage(entry);
}
}
}
diff --git a/src/common/logging/text_formatter.h b/src/common/logging/text_formatter.h
index d7e298e28..1f73ca44a 100644
--- a/src/common/logging/text_formatter.h
+++ b/src/common/logging/text_formatter.h
@@ -29,6 +29,8 @@ const char* TrimSourcePath(const char* path, const char* root = "src");
void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len);
/// Formats and prints a log entry to stderr.
void PrintMessage(const Entry& entry);
+/// Prints the same message as `PrintMessage`, but colored acoording to the severity level.
+void PrintColoredMessage(const Entry& entry);
/**
* Logging loop that repeatedly reads messages from the provided logger and prints them to the