Internal change

PiperOrigin-RevId: 380080172

cpp/platform/impl/windows/log_message.cc

@@ -14,16 +14,60 @@
 
 #include "platform/impl/windows/log_message.h"
 
+#include <algorithm>
+
+#include "base/stringprintf.h"
+
 namespace location {
 namespace nearby {
+namespace windows {
+
+api::LogMessage::Severity min_log_severity_ = api::LogMessage::Severity::kInfo;
+
+inline absl::LogSeverity ConvertSeverity(api::LogMessage::Severity severity) {
+  switch (severity) {
+    // api::LogMessage::Severity kVerbose and kInfo is mapped to
+    // absl::LogSeverity kInfo since absl::LogSeverity doesn't have kVerbose
+    // level.
+    case api::LogMessage::Severity::kVerbose:
+    case api::LogMessage::Severity::kInfo:
+      return absl::LogSeverity::kInfo;
+    case api::LogMessage::Severity::kWarning:
+      return absl::LogSeverity::kWarning;
+    case api::LogMessage::Severity::kError:
+      return absl::LogSeverity::kError;
+    case api::LogMessage::Severity::kFatal:
+      return absl::LogSeverity::kFatal;
+  }
+}
+
+LogMessage::LogMessage(const char* file, int line, Severity severity)
+    : log_streamer_(ConvertSeverity(severity), file, line) {}
+
+LogMessage::~LogMessage() = default;
+
+void LogMessage::Print(const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  std::string result;
+  StringAppendV(&result, format, ap);
+  log_streamer_.stream() << result;
+  va_end(ap);
+}
+
+std::ostream& LogMessage::Stream() { return log_streamer_.stream(); }
+
+}  // namespace windows
+
 namespace api {
 
-// TODO(b/184975123): replace with real implementation.
-void LogMessage::SetMinLogSeverity(Severity severity) {}
-
-// TODO(b/184975123): replace with real implementation.
-bool LogMessage::ShouldCreateLogMessage(Severity severity) { return false; }
+void LogMessage::SetMinLogSeverity(Severity severity) {
+  windows::min_log_severity_ = severity;
+}
 
+bool LogMessage::ShouldCreateLogMessage(Severity severity) {
+  return severity >= windows::min_log_severity_;
+}
 }  // namespace api
 }  // namespace nearby
 }  // namespace location