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doris/be/src/vec/runtime/ipv6_value.h

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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#include <regex>
#include <sstream>
#include <string>
#include "vec/common/format_ip.h"
#include "vec/core/types.h"
#include "vec/data_types/data_type.h"
#include "vec/data_types/data_type_number_base.h"
namespace doris {
class IPv6Value {
public:
IPv6Value() { _value = 0; }
explicit IPv6Value(vectorized::IPv6 ipv6) { _value = ipv6; }
const vectorized::IPv6& value() const { return _value; }
vectorized::IPv6& value() { return _value; }
void set_value(vectorized::IPv6 ipv6) { _value = ipv6; }
bool from_string(const std::string& ipv6_str) { return from_string(_value, ipv6_str); }
static bool from_string(vectorized::IPv6& value, const char* ipv6_str, size_t len) {
if (len == 0) {
return false;
}
size_t begin = 0;
size_t end = len - 1;
while (begin < len && std::isspace(ipv6_str[begin])) {
++begin;
}
while (end > begin && std::isspace(ipv6_str[end])) {
--end;
}
return vectorized::parseIPv6whole(ipv6_str + begin, ipv6_str + end + 1,
reinterpret_cast<unsigned char*>(&value));
}
static bool from_string(vectorized::IPv6& value, const std::string& ipv6_str) {
return from_string(value, ipv6_str.c_str(), ipv6_str.size());
}
std::string to_string() const { return to_string(_value); }
static std::string to_string(vectorized::IPv6 value) {
char buf[IPV6_MAX_TEXT_LENGTH + 1];
char* start = buf;
char* end = buf;
const auto* src = reinterpret_cast<const unsigned char*>(&value);
vectorized::formatIPv6(src, end);
size_t len = end - start;
return {buf, len};
}
static bool is_valid_string(const char* ipv6_str, size_t len) {
if (len == 0 || len > IPV6_MAX_TEXT_LENGTH) {
return false;
}
vectorized::IPv6 value;
size_t begin = 0;
size_t end = len - 1;
while (begin < len && std::isspace(ipv6_str[begin])) {
++begin;
}
while (end > begin && std::isspace(ipv6_str[end])) {
--end;
}
return vectorized::parseIPv6whole(ipv6_str + begin, ipv6_str + end + 1,
reinterpret_cast<unsigned char*>(&value));
}
private:
vectorized::IPv6 _value;
};
} // namespace doris