// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "mojo/public/cpp/environment/logging.h"

#include "mojo/public/cpp/environment/environment.h"

namespace mojo {
namespace internal {

namespace {

// Gets a pointer to the filename portion of |s|. Assumes that the filename
// follows the last slash or backslash in |s|, or is |s| if no slash or
// backslash is present.
//
// E.g., a pointer to "foo.cc" is returned for the following inputs: "foo.cc",
// "./foo.cc", ".\foo.cc", "/absolute/path/to/foo.cc",
// "relative/path/to/foo.cc", "C:\absolute\path\to\foo.cc", etc.
const char* GetFilename(const char* s) {
  const char* rv = s;
  while (*s) {
    if (*s == '/' || *s == '\\')
      rv = s + 1;
    s++;
  }
  return rv;
}

}  // namespace

LogMessage::LogMessage(const char* file, int line, MojoLogLevel log_level)
    : log_level_(log_level) {
  // Note: Don't include the log level in the message, since that's passed on.
  stream_ << GetFilename(file) << '(' << line << "): ";
}

LogMessage::~LogMessage() {
  Environment::GetDefaultLogger()->LogMessage(log_level_,
                                              stream_.str().c_str());
}

}  // namespace internal
}  // namespace mojo