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// Copyright Epic Games, Inc. All Rights Reserved.
#include <zenremotestore/builds/buildmanifest.h>
#include <zencore/compactbinary.h>
#include <zencore/fmtutils.h>
#if ZEN_WITH_TESTS
# include <zencore/basicfile.h>
# include <zencore/testing.h>
# include <zencore/testutils.h>
#endif // ZEN_WITH_TESTS
namespace zen {
using namespace std::literals;
BuildManifest
ParseBuildManifest(const std::filesystem::path& ManifestPath)
{
BuildManifest Result;
{
IoBuffer ManifestContent = ReadFile(ManifestPath).Flatten();
if (ToLower(ManifestPath.extension().string()) == ".json")
{
IoBuffer MetaDataJson = ReadFile(ManifestPath).Flatten();
std::string_view Json(reinterpret_cast<const char*>(MetaDataJson.GetData()), MetaDataJson.GetSize());
std::string JsonError;
CbObject Manifest = LoadCompactBinaryFromJson(Json, JsonError).AsObject();
if (!JsonError.empty())
{
throw std::runtime_error(fmt::format("Invalid manifest file at {}. '{}'", ManifestPath, JsonError));
}
CbObjectView PartsObject = Manifest["parts"sv].AsObjectView();
for (CbFieldView PartsField : PartsObject)
{
std::string_view PartName = PartsField.GetName();
if (PartName.empty())
{
throw std::runtime_error(fmt::format("Part {} in manifest file at {} does not have a name. '{}'",
Result.Parts.size() + 1,
ManifestPath,
JsonError));
}
CbObjectView Part = PartsField.AsObjectView();
Oid PartId = Part["partId"sv].AsObjectId();
CbArrayView FilesArray = Part["files"sv].AsArrayView();
std::vector<std::filesystem::path> Files;
Files.reserve(FilesArray.Num());
for (CbFieldView FileField : FilesArray)
{
std::filesystem::path File(FileField.AsU8String());
Files.push_back(File);
}
Result.Parts.push_back(BuildManifest::Part{.PartId = PartId, .PartName = std::string(PartName), .Files = std::move(Files)});
}
return Result;
}
else
{
Result.Parts.resize(1);
BuildManifest::Part& SinglePart = Result.Parts.front();
std::string_view ManifestString((const char*)ManifestContent.GetView().GetData(), ManifestContent.GetSize());
std::string_view::size_type Offset = 0;
while (Offset < ManifestContent.GetSize())
{
size_t PathBreakOffset = ManifestString.find_first_of("\t\r\n", Offset);
if (PathBreakOffset == std::string_view::npos)
{
PathBreakOffset = ManifestContent.GetSize();
}
std::string_view AssetPath = ManifestString.substr(Offset, PathBreakOffset - Offset);
if (!AssetPath.empty())
{
SinglePart.Files.push_back(std::filesystem::path(AssetPath));
}
Offset = PathBreakOffset;
size_t EolOffset = ManifestString.find_first_of("\r\n", Offset);
if (EolOffset == std::string_view::npos)
{
break;
}
Offset = EolOffset;
size_t LineBreakOffset = ManifestString.find_first_not_of("\t\r\n", Offset);
if (LineBreakOffset == std::string_view::npos)
{
break;
}
Offset = LineBreakOffset;
}
}
}
return Result;
}
#if ZEN_WITH_TESTS
TEST_CASE("buildmanifest.unstructured")
{
ScopedTemporaryDirectory Root;
std::vector<std::filesystem::path> Files = {"fileA", "dirA/FileB", "dirB/FileC", "dirB/FileD"};
{
ExtendableStringBuilder<512> SB;
for (const std::filesystem::path& File : Files)
{
SB << File.generic_string() << "\n";
}
WriteFile(Root.Path() / "manifest.txt", IoBuffer(IoBuffer::Wrap, SB.ToView().data(), SB.ToView().length()));
}
BuildManifest Manifest = ParseBuildManifest(Root.Path() / "manifest.txt");
CHECK_EQ(Manifest.Parts.size(), 1u);
CHECK_EQ(Manifest.Parts[0].PartId, Oid::Zero);
CHECK_EQ(Manifest.Parts[0].PartName, "");
CHECK_EQ(Manifest.Parts[0].Files, Files);
}
TEST_CASE("buildmanifest.structured")
{
ScopedTemporaryDirectory Root;
std::string Id = Oid::NewOid().ToString();
std::string ManifestString =
"{\n"
" \"parts\": {\n"
" \"default\": {\n"
" \"partId\": \"098a2742d46c22a67ab57457\",\n"
" \"files\": [\n"
" \"foo/bar\",\n"
" \"baz.exe\"\n"
" ]\n"
" },\n"
" \"symbols\": {\n"
" \"files\": [\n"
" \"baz.pdb\"\n"
" ]\n"
" }\n"
" }\n"
"}\n";
WriteFile(Root.Path() / "manifest.json", IoBuffer(IoBuffer::Wrap, ManifestString.data(), ManifestString.length()));
const Oid DefaultPartExpectedId = Oid::FromHexString("098a2742d46c22a67ab57457");
const std::string DefaultPartExpectedName = "default";
const Oid SymbolPartExpectedId = Oid::Zero;
const std::string SymbolsPartExpectedName = "symbols";
BuildManifest Manifest = ParseBuildManifest(Root.Path() / "manifest.json");
CHECK_EQ(Manifest.Parts.size(), 2u);
CHECK_EQ(Manifest.Parts[0].PartId, DefaultPartExpectedId);
CHECK_EQ(Manifest.Parts[0].PartName, DefaultPartExpectedName);
CHECK_EQ(Manifest.Parts[0].Files.size(), 2u);
CHECK_EQ(Manifest.Parts[0].Files[0].generic_string(), "foo/bar");
CHECK_EQ(Manifest.Parts[0].Files[1].generic_string(), "baz.exe");
CHECK_EQ(Manifest.Parts[1].PartId, SymbolPartExpectedId);
CHECK_EQ(Manifest.Parts[1].PartName, SymbolsPartExpectedName);
CHECK_EQ(Manifest.Parts[1].Files.size(), 1u);
CHECK_EQ(Manifest.Parts[1].Files[0].generic_string(), "baz.pdb");
}
void
buildmanifest_forcelink()
{
}
#endif // ZEN_WITH_TESTS
} // namespace zen
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