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1 // Copyright 2010 Google Inc. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 // you may not use this file except in compliance with the License. | |
5 // You may obtain a copy of the License at | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 // ======================================================================== | |
15 | |
16 #include "omaha/goopdate/string_formatter.h" | |
17 #include "omaha/base/debug.h" | |
18 #include "omaha/base/error.h" | |
19 #include "omaha/base/logging.h" | |
20 #include "omaha/base/utils.h" | |
21 #include "omaha/goopdate/resource_manager.h" | |
22 | |
23 namespace omaha { | |
24 | |
25 StringFormatter::StringFormatter(const CString& language) | |
26 : language_(language) { | |
27 ASSERT1(!language.IsEmpty()); | |
28 } | |
29 | |
30 HRESULT StringFormatter::LoadString(int32 resource_id, CString* result) { | |
31 ASSERT1(result); | |
32 | |
33 HINSTANCE resource_handle = NULL; | |
34 HRESULT hr = ResourceManager::Instance().GetResourceDll(language_, | |
35 &resource_handle); | |
36 if (FAILED(hr)) { | |
37 return hr; | |
38 } | |
39 | |
40 const TCHAR* resource_string = NULL; | |
41 int string_length = ::LoadString( | |
42 resource_handle, | |
43 resource_id, | |
44 reinterpret_cast<TCHAR*>(&resource_string), | |
45 0); | |
46 if (string_length <= 0) { | |
47 return HRESULTFromLastError(); | |
48 } | |
49 ASSERT1(resource_string && *resource_string); | |
50 | |
51 // resource_string is the string starting point but not null-terminated, so | |
52 // explicitly copy from it for string_length characters. | |
53 result->SetString(resource_string, string_length); | |
54 | |
55 return S_OK; | |
56 } | |
57 | |
58 HRESULT StringFormatter::FormatMessage(CString* result, int32 format_id, ...) { | |
59 ASSERT1(result); | |
60 ASSERT1(format_id != 0); | |
61 | |
62 CString format_string; | |
63 HRESULT hr = LoadString(format_id, &format_string); | |
64 if (FAILED(hr)) { | |
65 return hr; | |
66 } | |
67 | |
68 va_list arguments; | |
69 va_start(arguments, format_id); | |
70 result->FormatMessageV(format_string, &arguments); | |
71 va_end(arguments); | |
72 | |
73 return S_OK; | |
74 } | |
75 | |
76 } // namespace omaha | |
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