Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/xmloff/source/core/fasttokenhandler.cxx b/xmloff/source/core/fasttokenhandler.cxx
new file mode 100644
index 000000000..9efdf8f15
--- /dev/null
+++ b/xmloff/source/core/fasttokenhandler.cxx
@@ -0,0 +1,110 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <fasttokenhandler.hxx>
+
+#include <xmloff/token/tokens.hxx>
+
+namespace xmloff {
+
+namespace {
+// include auto-generated Perfect_Hash
+#if defined __clang__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
+#if __has_warning("-Wdeprecated-register")
+#pragma GCC diagnostic ignored "-Wdeprecated-register"
+#endif
+#endif
+#include <tokenhash.inc>
+#if defined __clang__
+#pragma GCC diagnostic pop
+#endif
+} // namespace
+
+namespace token {
+
+using namespace css;
+
+TokenMap& StaticTokenMap()
+{
+    static TokenMap SINGLETON;
+    return SINGLETON;
+}
+
+const css::uno::Sequence< sal_Int8 > TokenMap::EMPTY_BYTE_SEQ;
+const OUString TokenMap::EMPTY_STRING;
+
+TokenMap::TokenMap() :
+    maTokenNamesUtf8( static_cast< size_t >( XML_TOKEN_COUNT ) ),
+    maTokenNames( static_cast< size_t >( XML_TOKEN_COUNT ) )
+{
+    static const char* sppcTokenNames[] =
+    {
+#include <tokennames.inc>
+        ""
+    };
+
+    const char* const* ppcTokenName = sppcTokenNames;
+    int i = 0;
+    for( auto& rTokenName : maTokenNamesUtf8 )
+    {
+        OString aUtf8Token( *ppcTokenName );
+        rTokenName = uno::Sequence< sal_Int8 >( reinterpret_cast< const sal_Int8* >(
+                    aUtf8Token.getStr() ), aUtf8Token.getLength() );
+        maTokenNames[i++] = OUString( aUtf8Token.getStr(), aUtf8Token.getLength(), RTL_TEXTENCODING_UTF8 );
+        ++ppcTokenName;
+    }
+}
+
+TokenMap::~TokenMap()
+{
+}
+
+sal_Int32 TokenMap::getTokenPerfectHash( const char *pStr, sal_Int32 nLength )
+{
+    const struct xmltoken *pToken = Perfect_Hash::in_word_set( pStr, nLength );
+    return pToken ? pToken->nToken : xmloff::XML_TOKEN_INVALID;
+}
+
+FastTokenHandler::FastTokenHandler() :
+    mrTokenMap( StaticTokenMap() )
+{
+}
+
+FastTokenHandler::~FastTokenHandler()
+{
+}
+
+// XFastTokenHandler
+uno::Sequence< sal_Int8 > FastTokenHandler::getUTF8Identifier( sal_Int32 nToken )
+{
+    return mrTokenMap.getUtf8TokenName( nToken );
+}
+
+const OUString& FastTokenHandler::getIdentifier( sal_Int32 nToken ) const
+{
+    return mrTokenMap.getTokenName( nToken );
+}
+
+sal_Int32 FastTokenHandler::getTokenFromUTF8( const uno::Sequence< sal_Int8 >& rIdentifier )
+{
+    return TokenMap::getTokenFromUtf8( rIdentifier );
+}
+
+// Much faster direct C++ shortcut
+sal_Int32 FastTokenHandler::getTokenDirect( const char* pToken, sal_Int32 nLength ) const
+{
+    return TokenMap::getTokenFromUTF8( pToken, nLength );
+}
+
+} // namespace token
+} // namespace xmloff
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */