cavis/libnd4j/include/helpers/unicode.h

194 lines
6.6 KiB
C++

/*
* ******************************************************************************
* *
* *
* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* * License for the specific language governing permissions and limitations
* * under the License.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
//
// @author Oleg Semeniv <oleg.semeniv@gmail.com>
//
#ifndef LIBND4J_UNICODE_H
#define LIBND4J_UNICODE_H
#include <array/NDArray.h>
namespace sd {
namespace unicode {
/**
* This method calculate u16 offset based on utf8
* @param const pointer to the utf8 string start point
* @param size of the string
* @return offset of utf16
*/
Nd4jLong offsetUtf8StringInUtf16(const void* start, const void* end);
/**
* This method calculate u8 offset based on utf16
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf8
*/
Nd4jLong offsetUtf16StringInUtf8(const void* start, const void* end);
/**
* This method calculate u32 offset based on utf16
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf32
*/
Nd4jLong offsetUtf32StringInUtf16(const void* start, const void* end);
/**
* This method calculate u32 offset based on utf8
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf8
*/
Nd4jLong offsetUtf32StringInUtf8(const void* start, const void* end);
/*
* This function check is valid charecter in u8 string
*/
bool isStringValidU8(const void* start, const void* stop);
/*
* This function check is valid charecter in u16 string
*/
bool isStringValidU16(const void* start, const void* stop);
/*
* This function check is valid u32 charecter in string
*/
bool isStringValidU32(const void* start, const void* stop);
/**
* This method count offset for utf8 string in utf32
* @param const pointer to the utf8 string start point
* @param size of the string
* @return offset
*/
Nd4jLong offsetUtf8StringInUtf32(const void* input, uint32_t nInputSize);
/**
* This method count offset for utf8 string in utf32
* @param const pointer to the utf8 string start point
* @param const end pointer to the utf8 string
* @return offset
*/
Nd4jLong offsetUtf8StringInUtf32(const void* input, const void* stop);
/**
* This method count offset for utf32 based on utf16 string
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset
*/
Nd4jLong offsetUtf16StringInUtf32(const void* input, uint32_t nInputSize);
/**
* This method calculate offset of u16 based on utf8
* @param const pointer to the utf8 string start point
* @param size of the string
* @return offset of utf16
*/
Nd4jLong offsetUtf8StringInUtf16(const void* input, uint32_t nInputSize);
/**
* This method calculate offset of u8 based on utf16
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf8
*/
Nd4jLong offsetUtf16StringInUtf8(const void* input, uint32_t nInputSize);
/**
* This method calculate offset of u32 based on utf8
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf32
*/
Nd4jLong offsetUtf32StringInUtf8(const void* input, uint32_t nInputSize);
/**
* This method calculate offset of u32 based on utf16
* @param const pointer to the utf16 string start point
* @param size of the string
* @return offset of utf32
*/
Nd4jLong offsetUtf32StringInUtf16(const void* input, const uint32_t nInputSize);
/**
* This method convert utf8 string to utf16 string
* @param const pointer to the utf8 string start point
* @param reference to start point to utf16
* @param size of input utf8 string
* @return status of convertion
*/
bool utf8to16(const void* input, void* output, uint32_t nInputSize);
/**
* This method convert utf8 string to utf32 string
* @param const pointer to the utf8 string start point
* @param reference to start point to utf32
* @param size of input utf8 string
* @return status of convertion
*/
bool utf8to32(const void* input, void* output, uint32_t nInputSize);
/**
* This method convert utf16 string to utf32 string
* @param const pointer to the utf16 string start point
* @param reference to start point to utf32
* @param size of input utf16 string
* @return status of convertion
*/
bool utf16to32(const void* input, void* output, uint32_t nInputSize);
/**
* This method convert utf16 string to utf8 string
* @param const pointer to the utf16 string start point
* @param reference to start point to utf8
* @param size of input utf16 string
* @return status of convertion
*/
bool utf16to8(const void* input, void* output, uint32_t nInputSize);
/**
* This method convert utf32 string to utf16 string
* @param const pointer to the utf32 string start point
* @param reference to start point to utf16
* @param size of input utf32 string
* @return status of convertion
*/
bool utf32to16(const void* input, void* output, uint32_t nInputSize);
/**
* This method convert utf32 string to utf8 string
* @param const pointer to the utf32 string start point
* @param reference to start point to utf8
* @param size of input utf32 string
* @return status of convertion
*/
bool utf32to8(const void* input, void* output, const Nd4jLong nInputSize);
}
}
#endif //LIBND4J_UNICODE_H