145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/*******************************************************************************
|
|
* Copyright (c) 2015-2018 Skymind, Inc.
|
|
* Copyright (c) 2019-2020 Konduit K.K.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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
|
|
******************************************************************************/
|
|
|
|
//
|
|
// Created by raver119 on 20/04/18.
|
|
// @author Oleg Semeniv <oleg.semeniv@gmail.com>
|
|
//
|
|
|
|
#ifndef LIBND4J_STRINGUTILS_H
|
|
#define LIBND4J_STRINGUTILS_H
|
|
|
|
#include <pointercast.h>
|
|
#include <op_boilerplate.h>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <vector>
|
|
#include <NDArray.h>
|
|
#include <unicode.h>
|
|
|
|
namespace nd4j {
|
|
class ND4J_EXPORT StringUtils {
|
|
public:
|
|
template <typename T>
|
|
static FORCEINLINE std::string valueToString(T value) {
|
|
std::ostringstream os;
|
|
|
|
os << value ;
|
|
|
|
//convert the string stream into a string and return
|
|
return os.str();
|
|
}
|
|
|
|
/**
|
|
* This method just concatenates error message with a given graphId
|
|
* @param message
|
|
* @param graphId
|
|
* @return
|
|
*/
|
|
static FORCEINLINE std::string buildGraphErrorMessage(const char *message, Nd4jLong graphId) {
|
|
std::string result(message);
|
|
result += " [";
|
|
result += valueToString<Nd4jLong>(graphId);
|
|
result += "]";
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* This method returns number of needle matches within haystack
|
|
* PLEASE NOTE: this method operates on 8-bit arrays interpreted as uint8
|
|
*
|
|
* @param haystack
|
|
* @param haystackLength
|
|
* @param needle
|
|
* @param needleLength
|
|
* @return
|
|
*/
|
|
static uint64_t countSubarrays(const void *haystack, uint64_t haystackLength, const void *needle, uint64_t needleLength);
|
|
|
|
/**
|
|
* This method returns number of bytes used for string NDArrays content
|
|
* PLEASE NOTE: this doesn't include header
|
|
*
|
|
* @param array
|
|
* @return
|
|
*/
|
|
static uint64_t byteLength(const NDArray &array);
|
|
|
|
/**
|
|
* This method splits a string into substring by delimiter
|
|
*
|
|
* @param haystack
|
|
* @param delimiter
|
|
* @return
|
|
*/
|
|
static std::vector<std::string> split(const std::string &haystack, const std::string &delimiter);
|
|
|
|
|
|
/**
|
|
* This method convert u8 string to u16
|
|
* @param const reference to input string
|
|
* @param reference to output u16string
|
|
* @return boolean status
|
|
*/
|
|
static bool u8StringToU16String(const std::string& u8, std::u16string& u16);
|
|
|
|
/**
|
|
* This method convert u8 string to u32
|
|
* @param const reference to input string
|
|
* @param reference to output u32string
|
|
* @return boolean status
|
|
*/
|
|
static bool u8StringToU32String(const std::string& u8, std::u32string& u32);
|
|
|
|
/**
|
|
* This method convert u16 string to u32
|
|
* @param const reference to input u16string
|
|
* @param reference to output u32string
|
|
* @return boolean status
|
|
*/
|
|
static bool u16StringToU32String(const std::u16string& u16, std::u32string& u32);
|
|
|
|
/**
|
|
* This method convert u16 string to u8 string
|
|
* @param const reference to input u16string
|
|
* @param reference to output string
|
|
* @return boolean status
|
|
*/
|
|
static bool u16StringToU8String(const std::u16string& u16, std::string& u8);
|
|
|
|
/**
|
|
* This method convert u32 string to u16 string
|
|
* @param const reference to input u32string
|
|
* @param reference to output u16string
|
|
* @return boolean status
|
|
*/
|
|
static bool u32StringToU16String(const std::u32string& u32, std::u16string& u16);
|
|
|
|
/**
|
|
* This method convert u32 string to u8 string
|
|
* @param const reference to input u32string
|
|
* @param reference to output string
|
|
* @return boolean status
|
|
*/
|
|
static bool u32StringToU8String(const std::u32string& u32, std::string& u8);
|
|
};
|
|
}
|
|
|
|
|
|
#endif //LIBND4J_STRINGUTILS_H
|