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chore: generalize base64 usage

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Jan
2024-09-22 15:10:54 +02:00
parent 3b59dad109
commit 7649e5d58f
4 changed files with 71 additions and 16 deletions
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11
src/ObjWriting/XModel/Gltf/GltfTextOutput.cpp
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@ -6,6 +6,8 @@
#include <nlohmann/json.hpp>
#define LTC_NO_PROTOTYPES
#include "Impl/Base64.h"
#include <tomcrypt.h>
using namespace gltf;
@ -17,18 +19,15 @@ TextOutput::TextOutput(std::ostream& stream)
std::optional<std::string> TextOutput::CreateBufferUri(const void* buffer, const size_t bufferSize) const
{
const auto base64Length = 4u * ((bufferSize + 2u) / 3u);
const auto base64Length = base64::GetBase64EncodeOutputLength(bufferSize);
const auto base64BufferSize = URI_PREFIX_LENGTH + base64Length;
std::string output(base64BufferSize, '\0');
std::memcpy(output.data(), GLTF_DATA_URI_PREFIX, URI_PREFIX_LENGTH);
unsigned long outLength = base64Length + 1u;
const auto result = base64_encode(static_cast<const unsigned char*>(buffer), bufferSize, &output[URI_PREFIX_LENGTH], &outLength);
assert(result == CRYPT_OK);
assert(outLength == base64Length);
auto result = base64::EncodeBase64(buffer, bufferSize, &output[URI_PREFIX_LENGTH], base64Length + 1u);
assert(result);
return output;
}