76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*
|
|
* Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
|
|
*/
|
|
|
|
#include <ox/claw/read.hpp>
|
|
|
|
#include "media.hpp"
|
|
#include "typeconv.hpp"
|
|
|
|
namespace keel {
|
|
|
|
[[nodiscard]]
|
|
static ox::Result<const BaseConverter*> findConverter(
|
|
ox::Vector<const BaseConverter*> const&converters,
|
|
ox::CRStringView srcTypeName,
|
|
int srcTypeVersion,
|
|
ox::CRStringView dstTypeName,
|
|
int dstTypeVersion) noexcept {
|
|
for (auto &c : converters) {
|
|
if (c->matches(srcTypeName, srcTypeVersion, dstTypeName, dstTypeVersion)) {
|
|
return c;
|
|
}
|
|
}
|
|
return OxError(1, "Could not find converter");
|
|
};
|
|
|
|
static ox::Result<ox::UniquePtr<Wrap>> convert(
|
|
[[maybe_unused]] keel::Context &ctx,
|
|
ox::Vector<const BaseConverter*> const&converters,
|
|
[[maybe_unused]] const ox::Buffer &srcBuffer,
|
|
[[maybe_unused]] ox::CRStringView srcTypeName,
|
|
[[maybe_unused]] int srcTypeVersion,
|
|
[[maybe_unused]] ox::CRStringView dstTypeName,
|
|
[[maybe_unused]] int dstTypeVersion) noexcept {
|
|
// look for direct converter
|
|
auto [c, err] = findConverter(converters, srcTypeName, srcTypeVersion, dstTypeName, dstTypeVersion);
|
|
if (!err) {
|
|
return c->convertBuffToPtr(ctx, srcBuffer);
|
|
}
|
|
// try to chain multiple converters
|
|
for (const auto &subConverter : converters) {
|
|
if (!subConverter->dstMatches(dstTypeName, dstTypeVersion)) {
|
|
continue;
|
|
}
|
|
const auto [intermediate, chainErr] =
|
|
convert(ctx, converters, srcBuffer, srcTypeName, srcTypeVersion,
|
|
subConverter->srcTypeName(), subConverter->srcTypeVersion());
|
|
if (!chainErr) {
|
|
return subConverter->convertPtrToPtr(ctx, *intermediate);
|
|
}
|
|
}
|
|
return OxError(1, "Could not convert between types");
|
|
}
|
|
|
|
ox::Result<ox::UniquePtr<Wrap>> convert(
|
|
[[maybe_unused]] keel::Context &ctx,
|
|
[[maybe_unused]] const ox::Buffer &srcBuffer,
|
|
[[maybe_unused]] ox::CRStringView dstTypeName,
|
|
[[maybe_unused]] int dstTypeVersion) noexcept {
|
|
#ifndef OX_BARE_METAL
|
|
oxRequire(hdr, readAssetHeader(srcBuffer));
|
|
return convert(
|
|
ctx,
|
|
ctx.converters,
|
|
srcBuffer,
|
|
hdr.clawHdr.typeName,
|
|
hdr.clawHdr.typeVersion,
|
|
dstTypeName,
|
|
dstTypeVersion);
|
|
#else
|
|
return OxError(1, "Operation not supported on this platform");
|
|
#endif
|
|
}
|
|
|
|
}
|