1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef INCLUDED_SAL_RTL_SOURCE_SURROGATES_H 25 #define INCLUDED_SAL_RTL_SOURCE_SURROGATES_H 26 27 #include "sal/config.h" 28 29 #define SAL_RTL_FIRST_HIGH_SURROGATE 0xD800 30 #define SAL_RTL_LAST_HIGH_SURROGATE 0xDBFF 31 #define SAL_RTL_FIRST_LOW_SURROGATE 0xDC00 32 #define SAL_RTL_LAST_LOW_SURROGATE 0xDFFF 33 34 #define SAL_RTL_IS_HIGH_SURROGATE(utf16) \ 35 ((utf16) >= SAL_RTL_FIRST_HIGH_SURROGATE && \ 36 (utf16) <= SAL_RTL_LAST_HIGH_SURROGATE) 37 38 #define SAL_RTL_IS_LOW_SURROGATE(utf16) \ 39 ((utf16) >= SAL_RTL_FIRST_LOW_SURROGATE && \ 40 (utf16) <= SAL_RTL_LAST_LOW_SURROGATE) 41 42 #define SAL_RTL_COMBINE_SURROGATES(high, low) \ 43 ((((high) - SAL_RTL_FIRST_HIGH_SURROGATE) << 10) + \ 44 ((low) - SAL_RTL_FIRST_LOW_SURROGATE) + 0x10000) 45 46 #endif 47