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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. | ||
|
|
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| #include "driver/framework/base.h" | ||
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| namespace adbc::driver { | ||
| Result<bool> Option::AsBool() const { | ||
| return std::visit( | ||
| [&](auto&& value) -> Result<bool> { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, std::string>) { | ||
| if (value == ADBC_OPTION_VALUE_ENABLED) { | ||
| return true; | ||
| } else if (value == ADBC_OPTION_VALUE_DISABLED) { | ||
| return false; | ||
| } | ||
| } | ||
| return status::InvalidArgument("Invalid boolean value {}", *this); | ||
| }, | ||
| value_); | ||
| } | ||
|
|
||
| Result<int64_t> Option::AsInt() const { | ||
| return std::visit( | ||
| [&](auto&& value) -> Result<int64_t> { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, int64_t>) { | ||
| return value; | ||
| } else if constexpr (std::is_same_v<T, std::string>) { | ||
| int64_t parsed = 0; | ||
| auto begin = value.data(); | ||
| auto end = value.data() + value.size(); | ||
| auto result = std::from_chars(begin, end, parsed); | ||
| if (result.ec != std::errc()) { | ||
| return status::InvalidArgument("Invalid integer value '{}': not an integer", | ||
| value); | ||
| } else if (result.ptr != end) { | ||
| return status::InvalidArgument("Invalid integer value '{}': trailing data", | ||
| value); | ||
| } | ||
| return parsed; | ||
| } | ||
| return status::InvalidArgument("Invalid integer value {}", *this); | ||
| }, | ||
| value_); | ||
| } | ||
|
|
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| Result<std::string_view> Option::AsString() const { | ||
| return std::visit( | ||
| [&](auto&& value) -> Result<std::string_view> { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, std::string>) { | ||
| return value; | ||
| } | ||
| return status::InvalidArgument("Invalid string value {}", *this); | ||
| }, | ||
| value_); | ||
| } | ||
|
|
||
| AdbcStatusCode Option::CGet(char* out, size_t* length, AdbcError* error) const { | ||
| if (!out || !length) { | ||
| return status::InvalidArgument("Must provide both out and length to GetOption") | ||
| .ToAdbc(error); | ||
| } | ||
| return std::visit( | ||
| [&](auto&& value) -> AdbcStatusCode { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, std::string>) { | ||
| size_t value_size_with_terminator = value.size() + 1; | ||
| if (*length >= value_size_with_terminator) { | ||
| std::memcpy(out, value.data(), value.size()); | ||
| out[value.size()] = 0; | ||
| } | ||
| *length = value_size_with_terminator; | ||
| return ADBC_STATUS_OK; | ||
| } else if constexpr (std::is_same_v<T, Unset>) { | ||
| return status::NotFound("Unknown option").ToAdbc(error); | ||
| } else { | ||
| return status::NotFound("Option value is not a string").ToAdbc(error); | ||
| } | ||
| }, | ||
| value_); | ||
| } | ||
|
|
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| AdbcStatusCode Option::CGet(uint8_t* out, size_t* length, AdbcError* error) const { | ||
| if (!out || !length) { | ||
| return status::InvalidArgument("Must provide both out and length to GetOption") | ||
| .ToAdbc(error); | ||
| } | ||
| return std::visit( | ||
| [&](auto&& value) -> AdbcStatusCode { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, std::string> || | ||
| std::is_same_v<T, std::vector<uint8_t>>) { | ||
| if (*length >= value.size()) { | ||
| std::memcpy(out, value.data(), value.size()); | ||
| } | ||
| *length = value.size(); | ||
| return ADBC_STATUS_OK; | ||
| } else if constexpr (std::is_same_v<T, Unset>) { | ||
| return status::NotFound("Unknown option").ToAdbc(error); | ||
| } else { | ||
| return status::NotFound("Option value is not a bytestring").ToAdbc(error); | ||
| } | ||
| }, | ||
| value_); | ||
| } | ||
|
|
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| AdbcStatusCode Option::CGet(int64_t* out, AdbcError* error) const { | ||
| if (!out) { | ||
| return status::InvalidArgument("Must provide out to GetOption").ToAdbc(error); | ||
| } | ||
| return std::visit( | ||
| [&](auto&& value) -> AdbcStatusCode { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, int64_t>) { | ||
| *out = value; | ||
| return ADBC_STATUS_OK; | ||
| } else if constexpr (std::is_same_v<T, Unset>) { | ||
| return status::NotFound("Unknown option").ToAdbc(error); | ||
| } else { | ||
| return status::NotFound("Option value is not an integer").ToAdbc(error); | ||
| } | ||
| }, | ||
| value_); | ||
| } | ||
|
|
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| AdbcStatusCode Option::CGet(double* out, AdbcError* error) const { | ||
| if (!out) { | ||
| return status::InvalidArgument("Must provide out to GetOption").ToAdbc(error); | ||
| } | ||
| return std::visit( | ||
| [&](auto&& value) -> AdbcStatusCode { | ||
| using T = std::decay_t<decltype(value)>; | ||
| if constexpr (std::is_same_v<T, double> || std::is_same_v<T, int64_t>) { | ||
| *out = value; | ||
| return ADBC_STATUS_OK; | ||
| } else if constexpr (std::is_same_v<T, Unset>) { | ||
| return status::NotFound("Unknown option").ToAdbc(error); | ||
| } else { | ||
| return status::NotFound("Option value is not a double").ToAdbc(error); | ||
| } | ||
| }, | ||
| value_); | ||
| } | ||
| } // namespace adbc::driver |
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