polardbxengine/plugin/polarx_rpc/tests/driver/common/utils_string_parsing.h

104 lines
3.2 KiB
C++

/*
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PLUGIN_X_TESTS_DRIVER_COMMON_UTILS_STRING_PARSING_H_
#define PLUGIN_X_TESTS_DRIVER_COMMON_UTILS_STRING_PARSING_H_
#include <stdexcept>
#include <string>
#include <limits.h>
#include <stdio.h>
namespace aux {
extern const std::string ALLOWED_HEX_CHARACTERS;
template <typename Input_type, typename Output_type>
void unhex(const Input_type &input, Output_type &output) {
std::size_t position = 0;
std::size_t distance = std::distance(input.begin(), input.end());
while (position < distance) {
int iteration = 2;
unsigned char decimal_value = 0;
while (iteration-- > 0) {
unsigned char data = tolower(input.at(position++));
std::size_t pos = ALLOWED_HEX_CHARACTERS.find(data);
if (std::string::npos == pos) {
char tmp[1024];
snprintf(tmp, sizeof(tmp),
"Invalid hexadecimal character %c at position %zu", data, pos);
throw std::logic_error(tmp);
}
decimal_value = static_cast<unsigned char>(decimal_value << 4) |
static_cast<unsigned char>(pos);
}
output.push_back(decimal_value);
}
}
template <typename Container_type>
void split(Container_type &result, const std::string &input,
const std::string &delimiters, const bool compress_delimiters) {
std::string copy_of_intput = input;
std::size_t begin = 0;
bool force_insert = true;
while (std::string::npos != begin) {
std::size_t end = input.find_first_of(delimiters, begin);
std::string token;
if (std::string::npos == end) {
token = input.substr(begin);
force_insert = true;
} else {
token = input.substr(begin, end - begin);
++end;
}
if ((force_insert || !(token.empty())) || !compress_delimiters) {
result.push_back(token);
}
force_insert = false;
begin = end;
}
}
int replace_all(std::string &input, const std::string &to_find,
const std::string &change_to, int limit = INT_MAX);
void trim(std::string &value, const std::string &whitespace = " \t");
} // namespace aux
#endif // PLUGIN_X_TESTS_DRIVER_COMMON_UTILS_STRING_PARSING_H_