Adds support for webrtc::test::ResourcePath on iOS

webrtc/test/testsupport/fileutils.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 23 matching lines @@
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "webrtc/typedefs.h"  // For architecture defines
 
 namespace webrtc {
 namespace test {
 
+#if defined(WEBRTC_IOS)
+// Defined in iosfileutils.mm.  No header file to discourage use elsewhere.
+std::string IOSResourcePath(std::string name, std::string extension);
+#endif
+
 namespace {
 
 #ifdef WIN32
 const char* kPathDelimiter = "\\";
 #else
 const char* kPathDelimiter = "/";
 #endif
 
 #ifdef WEBRTC_ANDROID
 const char* kRootDirName = "/sdcard/";
 #else
 // The file we're looking for to identify the project root dir.
 const char* kProjectRootFileName = "DEPS";
 const char* kOutputDirName = "out";
 const char* kFallbackPath = "./";
 #endif
+#if !defined(WEBRTC_IOS)
 const char* kResourcesDirName = "resources";
+#endif
 
 char relative_dir_path[FILENAME_MAX];
 bool relative_dir_path_set = false;
 
 }  // namespace
 
 const char* kCannotFindProjectRootDir = "ERROR_CANNOT_FIND_PROJECT_ROOT_DIR";
 
 void SetExecutablePath(const std::string& path) {
   std::string working_dir = WorkingDir();
@@ skipping 127 matching lines @@
 #ifdef WIN32
     return _mkdir(directory_name.c_str()) == 0;
 #else
     return mkdir(directory_name.c_str(),  S_IRWXU | S_IRWXG | S_IRWXO) == 0;
 #endif
   }
   return true;
 }
 
 std::string ResourcePath(std::string name, std::string extension) {
+#if defined(WEBRTC_IOS)
+  return IOSResourcePath(name, extension);
+#else
   std::string platform = "win";
 #ifdef WEBRTC_LINUX
   platform = "linux";
 #endif  // WEBRTC_LINUX
 #ifdef WEBRTC_MAC
   platform = "mac";
 #endif  // WEBRTC_MAC
 
 #ifdef WEBRTC_ARCH_64_BITS
   std::string architecture = "64";
@@ skipping 14 matching lines @@
     return resource_file;
   }
   // Try without platform.
   resource_file = resources_path + name + "_" + architecture + "." + extension;
   if (FileExists(resource_file)) {
     return resource_file;
   }
 
   // Fall back on name without architecture or platform.
   return resources_path + name + "." + extension;
+#endif  // defined (WEBRTC_IOS)
 }
 
 size_t GetFileSize(std::string filename) {
   FILE* f = fopen(filename.c_str(), "rb");
   size_t size = 0;
   if (f != NULL) {
     if (fseek(f, 0, SEEK_END) == 0) {
       size = ftell(f);
     }
     fclose(f);
   }
   return size;
 }
 
 }  // namespace test
 }  // namespace webrtc