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1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
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 "resource_append.h"
17 #include <algorithm>
18 #include <iomanip>
19 #include <iostream>
20 #include <regex>
21 #include "config_parser.h"
22 #include "header.h"
23 #include "id_worker.h"
24 #include "key_parser.h"
25 #include "reference_parser.h"
26 #include "resource_table.h"
27 #include "resource_util.h"
28 #ifdef __WIN32
29 #include "windows.h"
30 #endif
31 #include "securec.h"
32 
33 namespace OHOS {
34 namespace Global {
35 namespace Restool {
36 using namespace std;
37 
ResourceAppend(const PackageParser & packageParser)38 ResourceAppend::ResourceAppend(const PackageParser &packageParser) : packageParser_(packageParser)
39 {
40 }
41 
Append()42 uint32_t ResourceAppend::Append()
43 {
44     string outputPath = packageParser_.GetOutput();
45     for (const auto &iter : packageParser_.GetAppend()) {
46         if (!ScanResources(iter, outputPath)) {
47             return RESTOOL_ERROR;
48         }
49     }
50     return RESTOOL_SUCCESS;
51 }
52 
Combine()53 uint32_t ResourceAppend::Combine()
54 {
55     for (const auto &iter : packageParser_.GetInputs()) {
56         if (!Combine(iter)) {
57             return RESTOOL_ERROR;
58         }
59     }
60 
61     if (!ParseRef()) {
62         return false;
63     }
64 
65     ResourceTable resourceTable;
66     if (resourceTable.CreateResourceTable(items_) != RESTOOL_SUCCESS) {
67         return RESTOOL_ERROR;
68     }
69     return RESTOOL_SUCCESS;
70 }
71 
72 // private
Combine(const string & folderPath)73 bool ResourceAppend::Combine(const string &folderPath)
74 {
75     FileEntry entry(folderPath);
76     if (!entry.Init()) {
77         return false;
78     }
79 
80     itemsForModule_.clear();
81     for (const auto &child : entry.GetChilds()) {
82         if (!child->IsFile()) {
83             cerr << "Error:" << child->GetFilePath().GetPath()  << " not file" << endl;
84             return false;
85         }
86 
87         if (!LoadResourceItem(child->GetFilePath().GetPath())) {
88             return false;
89         }
90     }
91     return true;
92 }
93 
ParseRef()94 bool ResourceAppend::ParseRef()
95 {
96     for (auto &iter : refs_) {
97         ReferenceParser ref;
98         if (iter->GetResType() == ResType::PROF) {
99             string dst = FileEntry::FilePath(packageParser_.GetOutput()).Append(RESOURCES_DIR)
100                 .Append("base").Append("profile").Append(iter->GetName()).GetPath();
101             if (ref.ParseRefInJson(iter->GetFilePath(), dst) != RESTOOL_SUCCESS) {
102                 return false;
103             }
104 
105             if (ResourceUtil::FileExist(dst)) {
106                 iter->SetData(reinterpret_cast<const int8_t *>(dst.c_str()), dst.length());
107             }
108             continue;
109         }
110 
111         if (ref.ParseRefInResourceItem(*iter) != RESTOOL_SUCCESS) {
112             return false;
113         }
114     }
115     return true;
116 }
117 
ScanResources(const string & resourcePath,const string & outputPath)118 bool ResourceAppend::ScanResources(const string &resourcePath, const string &outputPath)
119 {
120     if (!ResourceUtil::FileExist(resourcePath)) {
121         string filePath = FileEntry::FilePath(outputPath).Append(ResourceUtil::GenerateHash(resourcePath)).GetPath();
122         if (remove(filePath.c_str()) != 0) {
123             cerr << "Error: remove failed '" << filePath << "', reason: " << strerror(errno) << endl;
124             return false;
125         }
126         return true;
127     }
128 
129     FileEntry entry(resourcePath);
130     if (!entry.Init()) {
131         return false;
132     }
133 
134     if (entry.IsFile()) {
135         return ScanSingleFile(resourcePath, outputPath);
136     }
137 
138     return ScanSubResources(entry, resourcePath, outputPath);
139 }
140 
ScanSubResources(const FileEntry entry,const string & resourcePath,const string & outputPath)141 bool ResourceAppend::ScanSubResources(const FileEntry entry, const string &resourcePath, const string &outputPath)
142 {
143     vector<KeyParam> keyParams;
144     if (KeyParser::Parse(entry.GetFilePath().GetFilename(), keyParams)) {
145         for (const auto &child : entry.GetChilds()) {
146             if (!ResourceUtil::IslegalPath(child->GetFilePath().GetFilename())) {
147                 continue;
148             }
149             if (!ScanIegalResources(child->GetFilePath().GetPath(), outputPath)) {
150                 return false;
151             }
152         }
153         return true;
154     }
155 
156     if (ResourceUtil::IslegalPath(entry.GetFilePath().GetFilename())) {
157         return ScanIegalResources(resourcePath, outputPath);
158     }
159 
160     return ScanSubLimitkeyResources(entry, resourcePath, outputPath);
161 }
162 
ScanSubLimitkeyResources(const FileEntry entry,const string & resourcePath,const string & outputPath)163 bool ResourceAppend::ScanSubLimitkeyResources(const FileEntry entry, const string &resourcePath,
164     const string &outputPath)
165 {
166     for (const auto &child : entry.GetChilds()) {
167         string limitKey = child->GetFilePath().GetFilename();
168         if (ResourceUtil::IsIgnoreFile(limitKey, child->IsFile())) {
169             continue;
170         }
171 
172         if (limitKey == RAW_FILE_DIR) {
173             if (!ScanRawFiles(child->GetFilePath().GetPath(), outputPath)) {
174                 return false;
175             }
176             continue;
177         }
178 
179         if (child->IsFile()) {
180             cerr << "Error: " << child->GetFilePath().GetPath() << " not directory" << endl;
181             return false;
182         }
183 
184         if (!ScanLimitKey(child, limitKey, outputPath)) {
185             return false;
186         }
187     }
188     return true;
189 }
190 
ScanIegalResources(const string & resourcePath,const string & outputPath)191 bool ResourceAppend::ScanIegalResources(const string &resourcePath, const string &outputPath)
192 {
193     FileEntry entry(resourcePath);
194     if (!entry.Init()) {
195         return false;
196     }
197     for (const auto &child : entry.GetChilds()) {
198         if (!ScanSingleFile(child->GetFilePath().GetPath(), outputPath)) {
199             return false;
200         }
201     }
202     return true;
203 }
ScanLimitKey(const unique_ptr<FileEntry> & entry,const string & limitKey,const string outputPath)204 bool ResourceAppend::ScanLimitKey(const unique_ptr<FileEntry> &entry,
205     const string &limitKey, const string outputPath)
206 {
207     vector<KeyParam> keyParams;
208     if (!KeyParser::Parse(limitKey, keyParams)) {
209         cerr << "Error: invalid limit key '" << limitKey << "'.";
210         cerr << NEW_LINE_PATH << entry->GetFilePath().GetPath() << endl;
211         return false;
212     }
213 
214     for (const auto &child : entry->GetChilds()) {
215         string fileCuster = child->GetFilePath().GetFilename();
216         if (ResourceUtil::IsIgnoreFile(fileCuster, child->IsFile())) {
217             continue;
218         }
219 
220         if (child->IsFile()) {
221             cerr << "Error: " << child->GetFilePath().GetPath() << " not directory" << endl;
222             return false;
223         }
224 
225         ResType resType = ResourceUtil::GetResTypeByDir(fileCuster);
226         if (resType == ResType::INVALID_RES_TYPE) {
227             cerr << "Error: invalid resType." << NEW_LINE_PATH << child->GetFilePath().GetPath() << endl;
228             return false;
229         }
230 
231         DirectoryInfo directoryInfo = { limitKey, fileCuster, child->GetFilePath().GetPath(), keyParams, resType};
232         if (!ScanFiles(child, directoryInfo, outputPath)) {
233             return false;
234         }
235     }
236     return true;
237 }
238 
239 
ScanFiles(const unique_ptr<FileEntry> & entry,const DirectoryInfo & directoryInfo,const string & outputPath)240 bool ResourceAppend::ScanFiles(const unique_ptr<FileEntry> &entry,
241     const DirectoryInfo &directoryInfo, const string &outputPath)
242 {
243     for (const auto &child : entry->GetChilds()) {
244         string filename =  child->GetFilePath().GetFilename();
245         if (ResourceUtil::IsIgnoreFile(filename, child->IsFile())) {
246             continue;
247         }
248 
249         if (!child->IsFile()) {
250             cerr << "Error: '" << child->GetFilePath().GetPath() << "' not file." << endl;
251             return false;
252         }
253 
254         FileInfo fileInfo = {directoryInfo, child->GetFilePath().GetPath(), filename};
255         if (!ScanFile(fileInfo, outputPath)) {
256             return false;
257         }
258     }
259     return true;
260 }
261 
ScanFile(const FileInfo & fileInfo,const string & outputPath)262 bool ResourceAppend::ScanFile(const FileInfo &fileInfo, const string &outputPath)
263 {
264     unique_ptr<IResourceCompiler> resourceCompiler =
265         FactoryResourceCompiler::CreateCompilerForAppend(fileInfo.dirType, outputPath);
266     if (resourceCompiler == nullptr) {
267         return true;
268     }
269 
270     if (resourceCompiler->CompileForAppend(fileInfo) != RESTOOL_SUCCESS) {
271         return false;
272     }
273 
274     ostringstream outStream;
275     const auto &items = resourceCompiler->GetResourceItems();
276     for (const auto &item : items) {
277         for (const auto &resourceItem : item.second) {
278             if (!WriteResourceItem(resourceItem, outStream)) {
279                 return false;
280             }
281         }
282     }
283 
284     string hash = ResourceUtil::GenerateHash(fileInfo.filePath);
285     FileEntry::FilePath output(outputPath);
286     if (!WriteFileInner(outStream, output.Append(hash).GetPath())) {
287         return false;
288     }
289     return true;
290 }
291 
ScanSingleFile(const string & filePath,const string & outputPath)292 bool ResourceAppend::ScanSingleFile(const string &filePath, const string &outputPath)
293 {
294     if (filePath.find(RAW_FILE_DIR) != string::npos) {
295         return WriteRawFile(filePath, outputPath);
296     }
297 
298     FileEntry::FilePath path(filePath);
299     string fileCuster = path.GetParent().GetFilename();
300     ResType resType = ResourceUtil::GetResTypeByDir(fileCuster);
301     if (resType == ResType::INVALID_RES_TYPE) {
302         cerr << "Error: invalid resType." << NEW_LINE_PATH << filePath << endl;
303         return false;
304     }
305 
306     string limitKey = path.GetParent().GetParent().GetFilename();
307     vector<KeyParam> keyParams;
308     if (!KeyParser::Parse(limitKey, keyParams)) {
309         cerr << "Error: invalid limit key." << NEW_LINE_PATH << filePath << endl;
310         return false;
311     }
312 
313     DirectoryInfo directoryInfo = {limitKey, fileCuster, path.GetParent().GetPath(), keyParams, resType};
314     FileInfo fileInfo = {directoryInfo, filePath, path.GetFilename() };
315     if (!ScanFile(fileInfo, outputPath)) {
316         return false;
317     }
318     return true;
319 }
320 
WriteFileInner(ostringstream & outStream,const string & outputPath) const321 bool ResourceAppend::WriteFileInner(ostringstream &outStream, const string &outputPath) const
322 {
323 #ifdef __WIN32
324     HANDLE hWriteFile = CreateFile(outputPath.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
325         nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
326     if (hWriteFile == INVALID_HANDLE_VALUE) {
327         cerr << "Error: '" << outputPath << "' " << GetLastError() << endl;
328         return false;
329     }
330 
331     DWORD writeBytes;
332     if (!WriteFile(hWriteFile, outStream.str().c_str(), outStream.tellp(), &writeBytes, nullptr)) {
333         cerr << "Error: write '" << outputPath << "' " << GetLastError() << endl;
334         CloseHandle(hWriteFile);
335         return false;
336     }
337     CloseHandle(hWriteFile);
338 #else
339     ofstream out(outputPath, ofstream::out | ofstream::binary);
340     if (!out.is_open()) {
341         cerr << "Error: open failed '" << outputPath << "', reason: " << strerror(errno) << endl;
342         return false;
343     }
344     out << outStream.str();
345 #endif
346     return true;
347 }
348 
WriteResourceItem(const ResourceItem & resourceItem,ostringstream & out)349 bool ResourceAppend::WriteResourceItem(const ResourceItem &resourceItem, ostringstream &out)
350 {
351     int32_t size = resourceItem.GetName().length();
352     out.write(reinterpret_cast<const char *>(&size), sizeof(int32_t));
353     out.write(reinterpret_cast<const char *>(resourceItem.GetName().c_str()), size);
354 
355     size = resourceItem.GetLimitKey().length();
356     out.write(reinterpret_cast<const char *>(&size), sizeof(int32_t));
357     out.write(reinterpret_cast<const char *>(resourceItem.GetLimitKey().c_str()), size);
358 
359     size = resourceItem.GetFilePath().length();
360     out.write(reinterpret_cast<const char *>(&size), sizeof(int32_t));
361     out.write(reinterpret_cast<const char *>(resourceItem.GetFilePath().c_str()), size);
362 
363     int32_t type = static_cast<int32_t>(resourceItem.GetResType());
364     out.write(reinterpret_cast<const char *>(&type), sizeof(int32_t));
365 
366     size = resourceItem.GetKeyParam().size();
367     out.write(reinterpret_cast<const char *>(&size), sizeof(int32_t));
368     for (const auto &keyParam : resourceItem.GetKeyParam()) {
369         out.write(reinterpret_cast<const char *>(&keyParam.keyType), sizeof(int32_t));
370         out.write(reinterpret_cast<const char *>(&keyParam.value), sizeof(int32_t));
371     }
372 
373     size =  resourceItem.GetDataLength();
374     out.write(reinterpret_cast<const char *>(&size), sizeof(int32_t));
375     out.write(reinterpret_cast<const char *>(resourceItem.GetData()), size);
376     return true;
377 }
378 
LoadResourceItem(const string & filePath)379 bool ResourceAppend::LoadResourceItem(const string &filePath)
380 {
381 #ifdef __WIN32
382     return LoadResourceItemWin(filePath);
383 #else
384     ifstream in(filePath, ifstream::in | ifstream::binary);
385     if (!in.is_open()) {
386         cerr << "Error: open failed '" << filePath << "', reason: " << strerror(errno) << endl;
387         return false;
388     }
389 
390     in.seekg(0, in.end);
391     int32_t length = in.tellg();
392     in.seekg(0, in.beg);
393     if (length <= 0) {
394         cerr << "Error: invalid file size = " << length << NEW_LINE_PATH << filePath << endl;
395         return false;
396     }
397     char buffer[length];
398     in.read(buffer, length);
399     return LoadResourceItemFromMem(buffer, length);
400 #endif
401 }
402 
ScanRawFiles(const string & path,const string & outputPath)403 bool ResourceAppend::ScanRawFiles(const string &path, const string &outputPath)
404 {
405     FileEntry entry(path);
406     if (!entry.Init()) {
407         return false;
408     }
409 
410     for (const auto &child : entry.GetChilds()) {
411         string filename =  child->GetFilePath().GetFilename();
412         if (ResourceUtil::IsIgnoreFile(filename, child->IsFile())) {
413             continue;
414         }
415 
416         bool ret = false;
417         if (child->IsFile()) {
418             ret = WriteRawFile(child->GetFilePath().GetPath(), outputPath);
419         } else {
420             ret = ScanRawFiles(child->GetFilePath().GetPath(), outputPath);
421         }
422 
423         if (!ret) {
424             return false;
425         }
426     }
427     return true;
428 }
429 
WriteRawFile(const string & filePath,const string & outputPath)430 bool ResourceAppend::WriteRawFile(const string &filePath, const string &outputPath)
431 {
432     string::size_type pos = filePath.find(RAW_FILE_DIR);
433     if (pos == string::npos) {
434         cerr << "Error: invaild raw file." << NEW_LINE_PATH << filePath << endl;
435         return false;
436     }
437 
438     string sub = filePath.substr(pos);
439     sub = FileEntry::FilePath(RESOURCES_DIR).Append(sub).GetPath();
440     vector<KeyParam> keyParams;
441     ResourceItem resourceItem("", keyParams, ResType::RAW);
442     resourceItem.SetData(sub);
443     resourceItem.SetFilePath(filePath);
444     resourceItem.SetLimitKey("");
445 
446     ostringstream outStream;
447     if (!WriteResourceItem(resourceItem, outStream)) {
448         return false;
449     }
450 
451     string hash = ResourceUtil::GenerateHash(filePath);
452     FileEntry::FilePath output(outputPath);
453     if (!WriteFileInner(outStream, output.Append(hash).GetPath())) {
454         return false;
455     }
456     return true;
457 }
458 
Push(const shared_ptr<ResourceItem> & resourceItem)459 bool ResourceAppend::Push(const shared_ptr<ResourceItem> &resourceItem)
460 {
461     string idName = ResourceUtil::GetIdName(resourceItem->GetName(), resourceItem->GetResType());
462     int32_t id = IdWorker::GetInstance().GenerateId(resourceItem->GetResType(), idName);
463     if (id < 0) {
464         return false;
465     }
466 
467     if (!CheckModuleResourceItem(resourceItem, id)) {
468         return false;
469     }
470 
471     const auto &result = items_.find(id);
472     if (result == items_.end()) {
473         items_[id].push_back(resourceItem);
474         AddRef(resourceItem);
475         return true;
476     }
477 
478     if (find_if(result->second.begin(), result->second.end(), [resourceItem](auto &iter) {
479               return resourceItem->GetLimitKey() == iter->GetLimitKey();
480         }) != result->second.end()) {
481         return true;
482     }
483 
484     items_[id].push_back(resourceItem);
485     AddRef(resourceItem);
486     return true;
487 }
488 
AddRef(const shared_ptr<ResourceItem> & resourceItem)489 void ResourceAppend::AddRef(const shared_ptr<ResourceItem> &resourceItem)
490 {
491     string data(reinterpret_cast<const char *>(resourceItem->GetData()), resourceItem->GetDataLength());
492     ResType resType = resourceItem->GetResType();
493     if (resType == ResType::MEDIA) {
494         return;
495     }
496 
497     if (resType == ResType::PROF) {
498         if (resourceItem->GetLimitKey() != "base" ||
499             FileEntry::FilePath(resourceItem->GetFilePath()).GetExtension() != ".json") {
500             return;
501         }
502         refs_.push_back(resourceItem);
503         return;
504     }
505 
506     if (regex_match(data, regex(".*\\$.+:.*"))) {
507         refs_.push_back(resourceItem);
508     }
509 }
510 
LoadResourceItemFromMem(const char buffer[],int32_t length)511 bool ResourceAppend::LoadResourceItemFromMem(const char buffer[], int32_t length)
512 {
513     int32_t offset = 0;
514     do {
515         // name
516         string nameStr = ParseString(buffer, length, offset);
517         // limit key
518         string limitKeyStr = ParseString(buffer, length, offset);
519         // file path
520         string filePathStr = ParseString(buffer, length, offset);
521         // ResType
522         int32_t type = ParseInt32(buffer, length, offset);
523         ResType resType = static_cast<ResType>(type);
524         // keyParam
525         int32_t keyParamSize = ParseInt32(buffer, length, offset);
526         vector<KeyParam> keyParams;
527         for (int i = 0; i < keyParamSize; i++) {
528             KeyParam keyParam;
529             keyParam.keyType = static_cast<KeyType>(ParseInt32(buffer, length, offset));
530             keyParam.value = ParseInt32(buffer, length, offset);
531             keyParams.push_back(keyParam);
532         }
533         // data
534         string data = ParseString(buffer, length, offset);
535         if (resType ==  ResType::RAW) {
536             FileEntry::FilePath outPath(packageParser_.GetOutput());
537             if (!ResourceUtil::CreateDirs(outPath.Append(data).GetParent().GetPath())) {
538                 return false;
539             }
540 
541             if (!ResourceUtil::FileExist(filePathStr)) {
542                 continue;
543             }
544 
545             if (!ResourceUtil::CopyFleInner(filePathStr, outPath.Append(data).GetPath())) {
546                 return false;
547             }
548             continue;
549         }
550 
551         shared_ptr<ResourceItem> resourceItem = make_shared<ResourceItem>(nameStr, keyParams, resType);
552         resourceItem->SetData(reinterpret_cast<const int8_t *>(data.c_str()), data.length());
553         resourceItem->SetLimitKey(limitKeyStr);
554         resourceItem->SetFilePath(filePathStr);
555         if (!Push(resourceItem)) {
556             return false;
557         }
558     } while (offset < length);
559     return true;
560 }
561 
ParseString(const char buffer[],int32_t length,int32_t & offset) const562 string ResourceAppend::ParseString(const char buffer[], int32_t length, int32_t &offset) const
563 {
564     int32_t size = ParseInt32(buffer, length, offset);
565     if (size < 0 || offset + size > length) {
566         offset = length;
567         return "";
568     }
569 
570     if (size == 0) {
571         return "";
572     }
573 
574     string value(buffer + offset, size);
575     offset += size;
576     return value;
577 }
578 
ParseInt32(const char buffer[],int32_t length,int32_t & offset) const579 int32_t ResourceAppend::ParseInt32(const char buffer[], int32_t length, int32_t &offset) const
580 {
581     if (offset + static_cast<int32_t>(sizeof(int32_t)) > length) {
582         offset = length;
583         return -1;
584     }
585 
586     int32_t size = 0;
587     if (memcpy_s(&size, sizeof(int32_t), buffer  + offset, sizeof(int32_t)) != EOK) {
588         offset = length;
589         return -1;
590     }
591     offset += sizeof(int32_t);
592     return size;
593 }
594 
CheckModuleResourceItem(const shared_ptr<ResourceItem> & resourceItem,int32_t id)595 bool ResourceAppend::CheckModuleResourceItem(const shared_ptr<ResourceItem> &resourceItem, int32_t  id)
596 {
597     const auto &result = itemsForModule_.find(id);
598     if (result == itemsForModule_.end()) {
599         itemsForModule_[id].push_back(resourceItem);
600         return true;
601     }
602 
603     const auto &ret = find_if(result->second.begin(), result->second.end(), [resourceItem](auto iter) {
604              return  resourceItem->GetLimitKey() == iter->GetLimitKey();
605     });
606 
607     if (ret != result->second.end()) {
608         cerr << "Error: '" << resourceItem->GetName() << "' conflict, first declared.";
609         cerr << NEW_LINE_PATH << (*ret)->GetFilePath() << endl;
610         cerr << "but declared again." << NEW_LINE_PATH << resourceItem->GetFilePath() << endl;
611         return false;
612     }
613 
614     itemsForModule_[id].push_back(resourceItem);
615     return true;
616 }
617 
618 #ifdef __WIN32
LoadResourceItemWin(const string & filePath)619 bool ResourceAppend::LoadResourceItemWin(const string &filePath)
620 {
621     bool result = false;
622     HANDLE hReadFile = CreateFile(filePath.c_str(), GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING,
623         FILE_ATTRIBUTE_READONLY | FILE_FLAG_RANDOM_ACCESS, nullptr);
624     if (hReadFile == INVALID_HANDLE_VALUE) {
625         cerr << "Error: "<< GetLastError() << NEW_LINE_PATH << filePath << endl;
626         return result;
627     }
628 
629     DWORD fileSize = GetFileSize(hReadFile, nullptr);
630     HANDLE hFileMap = CreateFileMapping(hReadFile, nullptr, PAGE_READONLY, 0, fileSize, nullptr);
631     if (hFileMap == INVALID_HANDLE_VALUE) {
632         cerr << "Error: create file mapping " << GetLastError() << endl;
633         CloseHandle(hReadFile);
634         return result;
635     }
636 
637     void* pBuffer = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 0);
638     if (pBuffer == nullptr) {
639         cerr << "Error: map view of file " << GetLastError() << endl;
640         CloseHandle(hReadFile);
641         return result;
642     }
643 
644     char* buffer = reinterpret_cast<char *>(pBuffer);
645     result = LoadResourceItemFromMem(buffer, fileSize);
646     UnmapViewOfFile(hFileMap);
647     CloseHandle(hReadFile);
648     return result;
649 }
650 #endif
651 }
652 }
653 }