forked from mindspore-Ecosystem/mindspore
155 lines
3.9 KiB
C++
155 lines
3.9 KiB
C++
/**
|
|
* Copyright 2019 Huawei Technologies Co., Ltd
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://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.
|
|
*/
|
|
|
|
#ifndef PREDICT_COMMON_UTILS_H_
|
|
#define PREDICT_COMMON_UTILS_H_
|
|
|
|
#include <stdint.h>
|
|
#include <ctime>
|
|
#include <cstdint>
|
|
#include <vector>
|
|
#include <string>
|
|
#include "common/mslog.h"
|
|
#include "common/option.h"
|
|
#include "include/errorcode.h"
|
|
|
|
namespace mindspore {
|
|
namespace predict {
|
|
const int USEC = 1000000;
|
|
const int MSEC = 1000;
|
|
|
|
uint64_t GetTimeUs();
|
|
|
|
int16_t Float32ToShort(float srcValue);
|
|
|
|
float ShortToFloat32(int16_t srcValue);
|
|
|
|
void ShortToFloat32(const int16_t *srcData, float *dstData, size_t elementSize);
|
|
|
|
void Float32ToShort(const float *srcData, int16_t *dstData, size_t elementSize);
|
|
|
|
template <typename T>
|
|
bool IsContain(const std::vector<T> &vec, T element) {
|
|
for (auto iter = vec.begin(); iter != vec.end(); iter++) {
|
|
if (*iter == element) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const char WHITESPACE[] = "\t\n\v\f\r ";
|
|
const char STR_TRUE[] = "true";
|
|
const char STR_FALSE[] = "false";
|
|
|
|
template <typename T>
|
|
Option<std::string> ToString(T t) {
|
|
std::ostringstream out;
|
|
out << t;
|
|
if (!out.good()) {
|
|
return Option<std::string>(None());
|
|
}
|
|
|
|
return Option<std::string>(out.str());
|
|
}
|
|
|
|
template <>
|
|
inline Option<std::string> ToString(bool value) {
|
|
return value ? Option<std::string>(STR_TRUE) : Option<std::string>(STR_FALSE);
|
|
}
|
|
|
|
// get the file name from a given path
|
|
// for example: "/usr/bin", we will get "bin"
|
|
inline std::string GetFileName(const std::string &path) {
|
|
char delim = '/';
|
|
|
|
size_t i = path.rfind(delim, path.length());
|
|
if (i != std::string::npos) {
|
|
return (path.substr(i + 1, path.length() - i));
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
// trim the white space character in a string
|
|
// see also: macro WHITESPACE defined above
|
|
inline void Trim(std::string *input) {
|
|
if (input == nullptr) {
|
|
return;
|
|
}
|
|
if (input->empty()) {
|
|
return;
|
|
}
|
|
|
|
input->erase(0, input->find_first_not_of(WHITESPACE));
|
|
input->erase(input->find_last_not_of(WHITESPACE) + 1);
|
|
}
|
|
|
|
// to judge whether a string is starting with prefix
|
|
// for example: "hello world" is starting with "hello"
|
|
inline bool StartsWithPrefix(const std::string &source, const std::string &prefix) {
|
|
if (source.length() < prefix.length()) {
|
|
return false;
|
|
}
|
|
|
|
return (source.compare(0, prefix.length(), prefix) == 0);
|
|
}
|
|
|
|
// split string
|
|
std::vector<std::string> StrSplit(const std::string &str, const std::string &pattern);
|
|
|
|
// tokenize string
|
|
std::vector<std::string> Tokenize(const std::string &src, const std::string &delimiters,
|
|
const Option<size_t> &maxTokenNum = Option<size_t>(None()));
|
|
|
|
enum Mode { PREFIX, SUFFIX, ANY };
|
|
|
|
// remove redundant character
|
|
std::string Remove(const std::string &from, const std::string &subStr, Mode mode = ANY);
|
|
|
|
template <typename T>
|
|
inline Option<T> GenericParseValue(const std::string &value) {
|
|
T ret;
|
|
std::istringstream input(value);
|
|
input >> ret;
|
|
|
|
if (input && input.eof()) {
|
|
return Option<T>(ret);
|
|
}
|
|
|
|
return Option<T>(None());
|
|
}
|
|
|
|
template <>
|
|
inline Option<std::string> GenericParseValue(const std::string &value) {
|
|
return Option<std::string>(value);
|
|
}
|
|
|
|
template <>
|
|
inline Option<bool> GenericParseValue(const std::string &value) {
|
|
if (value == "true") {
|
|
return Option<bool>(true);
|
|
} else if (value == "false") {
|
|
return Option<bool>(false);
|
|
}
|
|
|
|
return Option<bool>(None());
|
|
}
|
|
} // namespace predict
|
|
} // namespace mindspore
|
|
|
|
#endif // PREDICT_COMMON_UTILS_H_
|