C++ porting of the initial python script for conversational speech generation.

webrtc/modules/audio_processing/test/conversational_speech/settings.cc

+/*
+ *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/modules/audio_processing/test/conversational_speech/settings.h"
+
+namespace webrtc {
+namespace test {
+namespace convspeechgen {
+
+const std::string Settings::AudiotracksPath(void) {
+  return audiotracks_path_;
+}
+
+const std::string Settings::TimingFilePath(void) {
+  return timing_filepath_;
+}
+
+const std::string Settings::OutputPath(void) {
+  return output_path_;
+}
+
+bool Settings::ValidateAndReport(void) {
+  bool bln_valid_audiotracks_path = ValidateDirectoryPath(&audiotracks_path_);

[hlundin-webrtc, 2017/03/13 12:28:19]

We typically don't add bln_ to qualify the variable type.

[AleBzk, 2017/03/13 14:14:41]

Acknowledged.

+  ReportConditionalError(
+      !bln_valid_audiotracks_path, "invalid audio tracks path");
+
+  bool bln_valid_timing_filepath = ValidateDirectoryPath(&timing_filepath_);
+  ReportConditionalError(
+      !bln_valid_timing_filepath, "invalid timing file path");
+
+  bool bln_valid_output_path = ValidateDirectoryPath(&output_path_);
+  ReportConditionalError(!bln_valid_output_path, "invalid output path");
+
+  return bln_valid_audiotracks_path && bln_valid_timing_filepath &&
+         (bln_valid_output_path);
+}
+
+bool Settings::ValidateFilePath(std::string* path) {
+  // TODO(alessiob): check that the file exists.
+  return true;
+}
+
+bool Settings::ValidateDirectoryPath(std::string* path) {
+  // TODO(alessiob): check that the directory exists.
+  return true;
+}
+
+void Settings::ReportConditionalError(bool condition, std::string message) {
+  if (condition)
+    std::cerr << message << std::endl;
+}
+
+}  // namespace convspeechgen
+}  // namespace test
+}  // namespace webrtc