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235 lines (191 loc) · 3.62 KB
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/**
*
* @file Value.cpp
* @author Gaspard Kirira
*
* Copyright 2025, Gaspard Kirira.
* All rights reserved.
* https://github.com/vixcpp/vix
*
* Use of this source code is governed by a MIT license
* that can be found in the License file.
*
* Vix.cpp
*
*/
#include <vix/template/Value.hpp>
#include <sstream>
#include <stdexcept>
namespace vix::template_
{
Value::Value()
: storage_(nullptr)
{
}
Value::Value(std::nullptr_t value)
: storage_(value)
{
}
Value::Value(bool value)
: storage_(value)
{
}
Value::Value(int value)
: storage_(static_cast<std::int64_t>(value))
{
}
Value::Value(std::int64_t value)
: storage_(value)
{
}
Value::Value(double value)
: storage_(value)
{
}
Value::Value(const char *value)
: storage_(value == nullptr ? std::string{} : std::string(value))
{
}
Value::Value(std::string value)
: storage_(std::move(value))
{
}
Value::Value(Array value)
: storage_(std::move(value))
{
}
Value::Value(Object value)
: storage_(std::move(value))
{
}
bool Value::is_null() const noexcept
{
return std::holds_alternative<std::nullptr_t>(storage_);
}
bool Value::is_bool() const noexcept
{
return std::holds_alternative<bool>(storage_);
}
bool Value::is_int() const noexcept
{
return std::holds_alternative<std::int64_t>(storage_);
}
bool Value::is_double() const noexcept
{
return std::holds_alternative<double>(storage_);
}
bool Value::is_string() const noexcept
{
return std::holds_alternative<std::string>(storage_);
}
bool Value::is_array() const noexcept
{
return std::holds_alternative<Array>(storage_);
}
bool Value::is_object() const noexcept
{
return std::holds_alternative<Object>(storage_);
}
const bool &Value::as_bool() const
{
return std::get<bool>(storage_);
}
const std::int64_t &Value::as_int() const
{
return std::get<std::int64_t>(storage_);
}
const double &Value::as_double() const
{
return std::get<double>(storage_);
}
const std::string &Value::as_string() const
{
return std::get<std::string>(storage_);
}
const Array &Value::as_array() const
{
return std::get<Array>(storage_);
}
const Object &Value::as_object() const
{
return std::get<Object>(storage_);
}
Array &Value::as_array()
{
return std::get<Array>(storage_);
}
Object &Value::as_object()
{
return std::get<Object>(storage_);
}
std::string Value::to_string() const
{
if (is_null())
{
return "";
}
if (is_bool())
{
return as_bool() ? "true" : "false";
}
if (is_int())
{
return std::to_string(as_int());
}
if (is_double())
{
std::ostringstream oss;
oss << as_double();
return oss.str();
}
if (is_string())
{
return as_string();
}
if (is_array())
{
return "[array]";
}
if (is_object())
{
return "[object]";
}
return "";
}
bool Value::truthy() const noexcept
{
if (is_null())
{
return false;
}
if (is_bool())
{
return as_bool();
}
if (is_int())
{
return as_int() != 0;
}
if (is_double())
{
return as_double() != 0.0;
}
if (is_string())
{
return !as_string().empty();
}
if (is_array())
{
return !as_array().empty();
}
if (is_object())
{
return !as_object().empty();
}
return false;
}
const Value::Storage &Value::storage() const noexcept
{
return storage_;
}
} // namespace vix::template_