1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_FILE_VERSION_INFO_H__ 6 #define BASE_FILE_VERSION_INFO_H__ 7 8 #include "build/build_config.h" 9 10 #if defined(OS_WIN) 11 #include <windows.h> 12 // http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx 13 extern "C" IMAGE_DOS_HEADER __ImageBase; 14 #endif // OS_WIN 15 16 #include <string> 17 18 #include "base/base_export.h" 19 #include "base/strings/string16.h" 20 21 namespace base { 22 class FilePath; 23 } 24 25 // Provides an interface for accessing the version information for a file. This 26 // is the information you access when you select a file in the Windows Explorer, 27 // right-click select Properties, then click the Version tab, and on the Mac 28 // when you select a file in the Finder and do a Get Info. 29 // 30 // This list of properties is straight out of Win32's VerQueryValue 31 // <http://msdn.microsoft.com/en-us/library/ms647464.aspx> and the Mac 32 // version returns values from the Info.plist as appropriate. TODO(avi): make 33 // this a less-obvious Windows-ism. 34 35 class FileVersionInfo { 36 public: 37 virtual ~FileVersionInfo() {} 38 #if defined(OS_WIN) || defined(OS_MACOSX) 39 // Creates a FileVersionInfo for the specified path. Returns NULL if something 40 // goes wrong (typically the file does not exit or cannot be opened). The 41 // returned object should be deleted when you are done with it. 42 BASE_EXPORT static FileVersionInfo* CreateFileVersionInfo( 43 const base::FilePath& file_path); 44 #endif // OS_WIN || OS_MACOSX 45 46 #if defined(OS_WIN) 47 // Creates a FileVersionInfo for the specified module. Returns NULL in case 48 // of error. The returned object should be deleted when you are done with it. 49 BASE_EXPORT static FileVersionInfo* CreateFileVersionInfoForModule( 50 HMODULE module); 51 52 // Creates a FileVersionInfo for the current module. Returns NULL in case 53 // of error. The returned object should be deleted when you are done with it. 54 // This function should be inlined so that the "current module" is evaluated 55 // correctly, instead of being the module that contains base. 56 __forceinline static FileVersionInfo* 57 CreateFileVersionInfoForCurrentModule() { 58 HMODULE module = reinterpret_cast<HMODULE>(&__ImageBase); 59 return CreateFileVersionInfoForModule(module); 60 } 61 #else 62 // Creates a FileVersionInfo for the current module. Returns NULL in case 63 // of error. The returned object should be deleted when you are done with it. 64 BASE_EXPORT static FileVersionInfo* CreateFileVersionInfoForCurrentModule(); 65 #endif // OS_WIN 66 67 // Accessors to the different version properties. 68 // Returns an empty string if the property is not found. 69 virtual base::string16 company_name() = 0; 70 virtual base::string16 company_short_name() = 0; 71 virtual base::string16 product_name() = 0; 72 virtual base::string16 product_short_name() = 0; 73 virtual base::string16 internal_name() = 0; 74 virtual base::string16 product_version() = 0; 75 virtual base::string16 private_build() = 0; 76 virtual base::string16 special_build() = 0; 77 virtual base::string16 comments() = 0; 78 virtual base::string16 original_filename() = 0; 79 virtual base::string16 file_description() = 0; 80 virtual base::string16 file_version() = 0; 81 virtual base::string16 legal_copyright() = 0; 82 virtual base::string16 legal_trademarks() = 0; 83 virtual base::string16 last_change() = 0; 84 virtual bool is_official_build() = 0; 85 }; 86 87 #endif // BASE_FILE_VERSION_INFO_H__ 88