1 files changed, 188 insertions, 0 deletions
diff --git a/base/file_version_info_win.cc b/base/file_version_info_win.cc
new file mode 100644
index 0000000..d1049b8
--- /dev/null
+++ b/base/file_version_info_win.cc
@@ -0,0 +1,188 @@
+// Copyright (c) 2006-2008 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 "base/file_version_info_win.h"
+
+#include <windows.h>
+
+#include "base/file_path.h"
+#include "base/file_version_info.h"
+#include "base/logging.h"
+#include "base/path_service.h"
+
+// This has to be last.
+#include <strsafe.h>
+
+FileVersionInfoWin::FileVersionInfoWin(void* data, int language, int code_page)
+    : language_(language), code_page_(code_page) {
+  data_.reset((char*) data);
+  fixed_file_info_ = NULL;
+  UINT size;
+  ::VerQueryValue(data_.get(), L"\\", (LPVOID*)&fixed_file_info_, &size);
+}
+
+FileVersionInfoWin::~FileVersionInfoWin() {
+  DCHECK(data_.get());
+}
+
+typedef struct {
+  WORD language;
+  WORD code_page;
+} LanguageAndCodePage;
+
+// static
+FileVersionInfo* FileVersionInfo::CreateFileVersionInfoForCurrentModule() {
+  FilePath app_path;
+  if (!PathService::Get(base::FILE_MODULE, &app_path))
+    return NULL;
+
+  return CreateFileVersionInfo(app_path);
+}
+
+// static
+FileVersionInfo* FileVersionInfo::CreateFileVersionInfo(
+    const FilePath& file_path) {
+  DWORD dummy;
+  const wchar_t* path = file_path.value().c_str();
+  DWORD length = ::GetFileVersionInfoSize(path, &dummy);
+  if (length == 0)
+    return NULL;
+
+  void* data = calloc(length, 1);
+  if (!data)
+    return NULL;
+
+  if (!::GetFileVersionInfo(path, dummy, length, data)) {
+    free(data);
+    return NULL;
+  }
+
+  LanguageAndCodePage* translate = NULL;
+  uint32 page_count;
+  BOOL query_result = VerQueryValue(data, L"\\VarFileInfo\\Translation",
+                                   (void**) &translate, &page_count);
+
+  if (query_result && translate) {
+    return new FileVersionInfoWin(data, translate->language,
+                                  translate->code_page);
+
+  } else {
+    free(data);
+    return NULL;
+  }
+}
+
+// static
+FileVersionInfo* FileVersionInfo::CreateFileVersionInfo(
+    const std::wstring& file_path) {
+  FilePath file_path_fp = FilePath::FromWStringHack(file_path);
+  return CreateFileVersionInfo(file_path_fp);
+}
+
+std::wstring FileVersionInfoWin::company_name() {
+  return GetStringValue(L"CompanyName");
+}
+
+std::wstring FileVersionInfoWin::company_short_name() {
+  return GetStringValue(L"CompanyShortName");
+}
+
+std::wstring FileVersionInfoWin::internal_name() {
+  return GetStringValue(L"InternalName");
+}
+
+std::wstring FileVersionInfoWin::product_name() {
+  return GetStringValue(L"ProductName");
+}
+
+std::wstring FileVersionInfoWin::product_short_name() {
+  return GetStringValue(L"ProductShortName");
+}
+
+std::wstring FileVersionInfoWin::comments() {
+  return GetStringValue(L"Comments");
+}
+
+std::wstring FileVersionInfoWin::legal_copyright() {
+  return GetStringValue(L"LegalCopyright");
+}
+
+std::wstring FileVersionInfoWin::product_version() {
+  return GetStringValue(L"ProductVersion");
+}
+
+std::wstring FileVersionInfoWin::file_description() {
+  return GetStringValue(L"FileDescription");
+}
+
+std::wstring FileVersionInfoWin::legal_trademarks() {
+  return GetStringValue(L"LegalTrademarks");
+}
+
+std::wstring FileVersionInfoWin::private_build() {
+  return GetStringValue(L"PrivateBuild");
+}
+
+std::wstring FileVersionInfoWin::file_version() {
+  return GetStringValue(L"FileVersion");
+}
+
+std::wstring FileVersionInfoWin::original_filename() {
+  return GetStringValue(L"OriginalFilename");
+}
+
+std::wstring FileVersionInfoWin::special_build() {
+  return GetStringValue(L"SpecialBuild");
+}
+
+std::wstring FileVersionInfoWin::last_change() {
+  return GetStringValue(L"LastChange");
+}
+
+bool FileVersionInfoWin::is_official_build() {
+  return (GetStringValue(L"Official Build").compare(L"1") == 0);
+}
+
+bool FileVersionInfoWin::GetValue(const wchar_t* name,
+                                  std::wstring* value_str) {
+  WORD lang_codepage[8];
+  int i = 0;
+  // Use the language and codepage from the DLL.
+  lang_codepage[i++] = language_;
+  lang_codepage[i++] = code_page_;
+  // Use the default language and codepage from the DLL.
+  lang_codepage[i++] = ::GetUserDefaultLangID();
+  lang_codepage[i++] = code_page_;
+  // Use the language from the DLL and Latin codepage (most common).
+  lang_codepage[i++] = language_;
+  lang_codepage[i++] = 1252;
+  // Use the default language and Latin codepage (most common).
+  lang_codepage[i++] = ::GetUserDefaultLangID();
+  lang_codepage[i++] = 1252;
+
+  i = 0;
+  while (i < arraysize(lang_codepage)) {
+    wchar_t sub_block[MAX_PATH];
+    WORD language = lang_codepage[i++];
+    WORD code_page = lang_codepage[i++];
+    _snwprintf_s(sub_block, MAX_PATH, MAX_PATH,
+                 L"\\StringFileInfo\\%04x%04x\\%ls", language, code_page, name);
+    LPVOID value = NULL;
+    uint32 size;
+    BOOL r = ::VerQueryValue(data_.get(), sub_block, &value, &size);
+    if (r && value) {
+      value_str->assign(static_cast<wchar_t*>(value));
+      return true;
+    }
+  }
+  return false;
+}
+
+std::wstring FileVersionInfoWin::GetStringValue(const wchar_t* name) {
+  std::wstring str;
+  if (GetValue(name, &str))
+    return str;
+  else
+    return L"";
+}