NE Alpha 40

common/guiddatabase.cpp

@@ -0,0 +1,80 @@
+/* guiddatabase.cpp
+
+Copyright (c) 2017, LongSoft. All rights reserved.
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*/
+
+#include "guiddatabase.h"
+#include "ubytearray.h"
+
+// TODO: remove Qt dependency
+#if defined(U_ENABLE_GUID_DATABASE_SUPPORT) && defined(QT_CORE_LIB)
+#include <map>
+#include <QFile>
+#include <QUuid>
+
+struct OperatorLessForGuids : public std::binary_function<EFI_GUID, EFI_GUID, bool>
+{
+    bool operator()(const EFI_GUID& lhs, const EFI_GUID& rhs) const
+    {
+        return (memcmp(&lhs, &rhs, sizeof(EFI_GUID)) < 0);
+    }
+};
+
+typedef std::map<EFI_GUID, UString, OperatorLessForGuids> GuidToUStringMap;
+static GuidToUStringMap gGuidToUStringMap;
+
+void initGuidDatabase(const UString & path, UINT32* numEntries)
+{
+    gGuidToUStringMap.clear();
+
+    QFile file(path);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+        return;
+
+    while (!file.atEnd()) {
+        UByteArray line = file.readLine();
+
+        // Use sharp sign as commentary
+        if (line.length() == 0 || line[0] == '#')
+            continue;
+
+        // GUID and name are comma-separated 
+        QList<UByteArray> lineParts = line.split(',');
+        if (lineParts.length() < 2)
+            continue;
+
+        QUuid uuid(lineParts[0]);
+        UString str(lineParts[1].constData());
+        gGuidToUStringMap.insert(GuidToUStringMap::value_type(*(const EFI_GUID*)&uuid.data1, str.simplified()));
+    }
+
+    if (numEntries)
+        *numEntries = gGuidToUStringMap.size();
+}
+
+UString guidDatabaseLookup(const EFI_GUID & guid)
+{
+    return gGuidToUStringMap[guid];
+}
+
+#else
+void initGuidDatabase(const UString & path, UINT32* numEntries)
+{
+    U_UNUSED_PARAMETER(path);
+    if (numEntries)
+        *numEntries = 0;
+}
+
+UString guidDatabaseLookup(const EFI_GUID & guid)
+{
+	U_UNUSED_PARAMETER(guid);
+    return UString();
+}
+#endif