mirror of
https://github.com/LongSoft/UEFITool.git
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119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/* guiddatabase.cpp
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Copyright (c) 2017, LongSoft. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#include "guiddatabase.h"
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#include "ubytearray.h"
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#include "ffs.h"
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#if defined(U_ENABLE_GUID_DATABASE_SUPPORT)
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#include <map>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <cstdio>
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struct OperatorLessForGuids : public std::binary_function<EFI_GUID, EFI_GUID, bool>
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{
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bool operator()(const EFI_GUID& lhs, const EFI_GUID& rhs) const
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{
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return (memcmp(&lhs, &rhs, sizeof(EFI_GUID)) < 0);
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}
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};
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typedef std::map<EFI_GUID, UString, OperatorLessForGuids> GuidToUStringMap;
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static GuidToUStringMap gGuidToUStringMap;
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#ifdef QT_CORE_LIB
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#include <QFile>
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#include <QTextStream>
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// This is required to be able to read Qt-embedded paths
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static std::string readGuidDatabase(const UString &path) {
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QFile guids(path);
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if (guids.open(QFile::ReadOnly | QFile::Text))
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return QTextStream(&guids).readAll().toStdString();
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return std::string {};
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}
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#else
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static std::string readGuidDatabase(const UString &path) {
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std::ifstream guids(path.toLocal8Bit());
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std::stringstream ret;
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if (ret)
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ret << guids.rdbuf();
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return ret.str();
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}
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#endif
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void initGuidDatabase(const UString & path, UINT32* numEntries)
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{
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gGuidToUStringMap.clear();
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std::stringstream file(readGuidDatabase(path));
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while (!file.eof()) {
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std::string line;
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std::getline(file, line);
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// Use sharp symbol as commentary
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if (line.size() == 0 || line[0] == '#')
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continue;
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// GUID and name are comma-separated
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std::vector<UString> lineParts;
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std::string::size_type prev = 0, curr = 0;
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while ((curr = line.find(',', curr)) != std::string::npos) {
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std::string substring( line.substr(prev, curr-prev) );
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lineParts.push_back(UString(substring.c_str()));
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prev = ++curr;
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}
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lineParts.push_back(UString(line.substr(prev, curr-prev).c_str()));
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if (lineParts.size() < 2)
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continue;
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EFI_GUID guid;
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if (!ustringToGuid(lineParts[0], guid))
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continue;
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gGuidToUStringMap.insert(GuidToUStringMap::value_type(guid, lineParts[1]));
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}
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if (numEntries)
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*numEntries = (UINT32)gGuidToUStringMap.size();
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}
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UString guidDatabaseLookup(const EFI_GUID & guid)
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{
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return gGuidToUStringMap[guid];
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}
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#else
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void initGuidDatabase(const UString & path, UINT32* numEntries)
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{
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U_UNUSED_PARAMETER(path);
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if (numEntries)
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*numEntries = 0;
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}
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UString guidDatabaseLookup(const EFI_GUID & guid)
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{
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U_UNUSED_PARAMETER(guid);
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return UString();
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}
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#endif
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