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// Copyright Epic Games, Inc. All Rights Reserved.
#include "print_cmd.h"
#include <zencore/compactbinarypackage.h>
#include <zencore/compactbinaryvalidation.h>
#include <zencore/filesystem.h>
#include <zencore/fmtutils.h>
#include <zencore/logging.h>
#include <zencore/string.h>
#include <zenhttp/packageformat.h>
using namespace std::literals;
namespace zen {
static void
PrintCbObject(CbObject Object)
{
ExtendableStringBuilder<1024> ObjStr;
CompactBinaryToJson(Object, ObjStr);
ZEN_CONSOLE("{}", ObjStr);
}
static void
PrintCompactBinary(IoBuffer Data)
{
ExtendableStringBuilder<1024> StreamString;
CompactBinaryToJson(Data.GetView(), StreamString);
ZEN_CONSOLE("{}", StreamString);
}
PrintCommand::PrintCommand()
{
m_Options.add_options()("h,help", "Print help");
m_Options.add_option("", "s", "source", "Object payload file (use '-' to read from STDIN)", cxxopts::value(m_Filename), "<file name>");
m_Options.parse_positional({"source"});
}
PrintCommand::~PrintCommand() = default;
int
PrintCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
{
ZEN_UNUSED(GlobalOptions);
if (!ParseOptions(argc, argv))
{
return 0;
}
// Validate arguments
if (m_Filename.empty())
throw std::runtime_error("No file specified");
FileContents Fc;
if (m_Filename == "-")
{
Fc = ReadStdIn();
}
else
{
Fc = ReadFile(m_Filename);
}
if (Fc.ErrorCode)
{
ZEN_ERROR("Failed to read file '{}': {}", m_Filename, Fc.ErrorCode.message());
return 1;
}
IoBuffer Data = Fc.Flatten();
IoHash RawHash;
uint64_t RawSize;
if (CompressedBuffer::ValidateCompressedHeader(Data, RawHash, RawSize))
{
ZEN_CONSOLE("Compressed binary: size {}, raw size {}, hash: {}", Data.GetSize(), RawSize, RawHash);
}
else if (IsPackageMessage(Data))
{
CbPackage Package = ParsePackageMessage(Data);
CbObject Object = Package.GetObject();
std::span<const CbAttachment> Attachments = Package.GetAttachments();
ZEN_CONSOLE("Package - {} attachments, object hash {}", Package.GetAttachments().size(), Package.GetObjectHash());
ZEN_CONSOLE("");
int AttachmentIndex = 1;
for (const CbAttachment& Attachment : Attachments)
{
std::string AttachmentSize = "n/a";
const char* AttachmentType = "unknown";
if (Attachment.IsCompressedBinary())
{
AttachmentType = "Compressed";
AttachmentSize = fmt::format("{} ({} uncompressed)",
Attachment.AsCompressedBinary().GetCompressedSize(),
Attachment.AsCompressedBinary().DecodeRawSize());
}
else if (Attachment.IsBinary())
{
AttachmentType = "Binary";
AttachmentSize = fmt::format("{}", Attachment.AsBinary().GetSize());
}
else if (Attachment.IsObject())
{
AttachmentType = "Object";
AttachmentSize = fmt::format("{}", Attachment.AsObject().GetSize());
}
else if (Attachment.IsNull())
{
AttachmentType = "null";
}
ZEN_CONSOLE("Attachment #{} : {}, {}, size {}", AttachmentIndex, Attachment.GetHash(), AttachmentType, AttachmentSize);
++AttachmentIndex;
}
ZEN_CONSOLE("---8<---");
PrintCbObject(Object);
}
else if (CbValidateError Result = ValidateCompactBinary(Data,
CbValidateMode::Default | CbValidateMode::Names | CbValidateMode::Format |
CbValidateMode::Package | CbValidateMode::PackageHash);
Result == CbValidateError::None)
{
PrintCompactBinary(Data);
}
else
{
ZEN_ERROR("Data in file '{}' does not appear to be compact binary (validation error {:#x})", m_Filename, uint32_t(Result));
return 1;
}
return 0;
}
//////////////////////////////////////////////////////////////////////////
PrintPackageCommand::PrintPackageCommand()
{
m_Options.add_options()("h,help", "Print help");
m_Options.add_option("", "s", "source", "Package payload file", cxxopts::value(m_Filename), "<file name>");
m_Options.parse_positional({"source"});
}
PrintPackageCommand::~PrintPackageCommand()
{
}
int
PrintPackageCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
{
ZEN_UNUSED(GlobalOptions);
if (!ParseOptions(argc, argv))
{
return 0;
}
// Validate arguments
if (m_Filename.empty())
throw std::runtime_error("No file specified");
FileContents Fc = ReadFile(m_Filename);
IoBuffer Data = Fc.Flatten();
CbPackage Package;
bool Ok = Package.TryLoad(Data) || legacy::TryLoadCbPackage(Package, Data, &UniqueBuffer::Alloc);
if (Ok)
{
ExtendableStringBuilder<1024> ObjStr;
CompactBinaryToJson(Package.GetObject(), ObjStr);
ZEN_CONSOLE("{}", ObjStr);
}
else
{
ZEN_ERROR("error: malformed package?");
}
return 0;
}
} // namespace zen
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