#include <sourcemeta/jsonbinpack/runtime_encoder.h>

#include <sourcemeta/core/numeric.h>

#include <cassert> // assert

#include <cstdint> // std::uint8_t

#include <utility> // std::move

namespace sourcemeta::jsonbinpack {

auto Encoder::FIXED_TYPED_ARRAY(const sourcemeta::core::JSON &document,

const struct FIXED_TYPED_ARRAY &options)

-> void {

assert(document.is_array());

assert(document.size() == options.size);

const auto prefix_encodings{options.prefix_encodings.size()};

assert(prefix_encodings <= document.size());

for (std::size_t index = 0; index < options.size; index++) {

const Encoding &encoding{prefix_encodings > index

? options.prefix_encodings[index]

: *(options.encoding)};

this->write(document.at(index), encoding);

}

}

auto Encoder::BOUNDED_8BITS_TYPED_ARRAY(

const sourcemeta::core::JSON &document,

const struct BOUNDED_8BITS_TYPED_ARRAY &options) -> void {

assert(options.maximum >= options.minimum);

const auto size{document.size()};

assert(sourcemeta::core::is_within(size, options.minimum, options.maximum));

assert(sourcemeta::core::is_byte(options.maximum - options.minimum));

this->put_byte(static_cast<std::uint8_t>(size - options.minimum));

this->FIXED_TYPED_ARRAY(document,

{.size = size,

.encoding = options.encoding,

.prefix_encodings = options.prefix_encodings});

}

auto Encoder::FLOOR_TYPED_ARRAY(const sourcemeta::core::JSON &document,

const struct FLOOR_TYPED_ARRAY &options)

-> void {

const auto size{document.size()};

assert(size >= options.minimum);

this->put_varint(size - options.minimum);

this->FIXED_TYPED_ARRAY(document,

{.size = size,

.encoding = options.encoding,

.prefix_encodings = options.prefix_encodings});

}

auto Encoder::ROOF_TYPED_ARRAY(const sourcemeta::core::JSON &document,

const struct ROOF_TYPED_ARRAY &options) -> void {

const auto size{document.size()};

assert(size <= options.maximum);

this->put_varint(options.maximum - size);

this->FIXED_TYPED_ARRAY(document,

{.size = size,

.encoding = options.encoding,

.prefix_encodings = options.prefix_encodings});

}

} // namespace sourcemeta::jsonbinpack