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#include "slang-json-rpc.h"
#include "../../slang-com-helper.h"
#include "slang-json-native.h"
namespace Slang {
// https://www.jsonrpc.org/specification
/* static */ const UnownedStringSlice JSONRPC::jsonRpc = UnownedStringSlice::fromLiteral("jsonrpc");
/* static */const UnownedStringSlice JSONRPC::jsonRpcVersion = UnownedStringSlice::fromLiteral("2.0");
/* static */const UnownedStringSlice JSONRPC::id = UnownedStringSlice::fromLiteral("id");
static const auto g_result = UnownedStringSlice::fromLiteral("result");
static const auto g_error = UnownedStringSlice::fromLiteral("error");
static const auto g_method = UnownedStringSlice::fromLiteral("method");
// Add the fields.
// TODO(JS): This is a little verbose, and could be improved on with something like
// * Tool that automatically generated from C++ (say via the C++ extractor)
// * Macro magic to simplify the construction
static const StructRttiInfo _makeJSONRPCErrorResponse_ErrorRtti()
{
JSONRPCErrorResponse::Error obj;
StructRttiBuilder builder(&obj, "JSONRPCErrorResponse::Error", nullptr);
builder.addField("code", &obj.code);
builder.addField("message", &obj.message);
return builder.make();
}
/* static */const StructRttiInfo JSONRPCErrorResponse::Error::g_rttiInfo = _makeJSONRPCErrorResponse_ErrorRtti();
static const StructRttiInfo _makeJSONRPCErrorResponseRtti()
{
JSONRPCErrorResponse obj;
StructRttiBuilder builder(&obj, "JSONRPCErrorResponse", nullptr);
builder.addField("jsonrpc", &obj.jsonrpc);
builder.addField("error", &obj.error);
builder.addField("data", &obj.data, StructRttiInfo::Flag::Optional);
builder.addField("id", &obj.id, StructRttiInfo::Flag::Optional);
return builder.make();
}
/* static */const StructRttiInfo JSONRPCErrorResponse::g_rttiInfo = _makeJSONRPCErrorResponseRtti();
static const StructRttiInfo _makeJSONRPCCallResponseRtti()
{
JSONRPCCall obj;
StructRttiBuilder builder(&obj, "JSONRPCCall", nullptr);
builder.addField("jsonrpc", &obj.jsonrpc);
builder.addField("method", &obj.method);
builder.addField("params", &obj.params, StructRttiInfo::Flag::Optional);
builder.addField("id", &obj.id, StructRttiInfo::Flag::Optional);
builder.ignoreUnknownFields();
return builder.make();
}
/* static */const StructRttiInfo JSONRPCCall::g_rttiInfo = _makeJSONRPCCallResponseRtti();
static const StructRttiInfo _makeJSONResultResponseResponseRtti()
{
JSONResultResponse obj;
StructRttiBuilder builder(&obj, "JSONResultResponse", nullptr);
builder.addField("jsonrpc", &obj.jsonrpc);
builder.addField("result", &obj.result);
builder.addField("id", &obj.id, StructRttiInfo::Flag::Optional);
return builder.make();
}
/* static */const StructRttiInfo JSONResultResponse::g_rttiInfo = _makeJSONResultResponseResponseRtti();
/* static */JSONRPCMessageType JSONRPCUtil::getMessageType(JSONContainer* container, const JSONValue& value)
{
if (value.getKind() == JSONValue::Kind::Object)
{
const JSONKey resultKey = container->findKey(g_result);
const JSONKey errorKey = container->findKey(g_error);
const JSONKey methodKey = container->findKey(g_method);
auto pairs = container->getObject(value);
for (const auto& pair : pairs)
{
if (pair.key == resultKey)
{
return JSONRPCMessageType::Result;
}
else if (pair.key == errorKey)
{
return JSONRPCMessageType::Error;
}
else if (pair.key == methodKey)
{
return JSONRPCMessageType::Call;
}
}
}
return JSONRPCMessageType::Invalid;
}
/* static */SlangResult JSONRPCUtil::parseJSON(const UnownedStringSlice& slice, JSONContainer* container, DiagnosticSink* sink, JSONValue& outValue)
{
SourceManager* sourceManager = sink->getSourceManager();
// Now need to parse as JSON
String contents(slice);
SourceFile* sourceFile = sourceManager->createSourceFileWithString(PathInfo::makeUnknown(), contents);
SourceView* sourceView = sourceManager->createSourceView(sourceFile, nullptr, SourceLoc());
JSONLexer lexer;
lexer.init(sourceView, sink);
JSONBuilder builder(container);
JSONParser parser;
SLANG_RETURN_ON_FAIL(parser.parse(&lexer, sourceView, &builder, sink));
outValue = builder.getRootValue();
return SLANG_OK;
}
/* static */SlangResult JSONRPCUtil::convertToNative(JSONContainer* container, const JSONValue& value, DiagnosticSink* sink, const RttiInfo* rttiInfo, void* out)
{
JSONToNativeConverter converter(container, sink);
SLANG_RETURN_ON_FAIL(converter.convert(value, rttiInfo, out));
return SLANG_OK;
}
/* static */SlangResult JSONRPCUtil::convertToJSON(const RttiInfo* rttiInfo, const void* in, DiagnosticSink* sink, StringBuilder& out)
{
SourceManager* sourceManager = sink->getSourceManager();
JSONContainer container(sourceManager);
NativeToJSONConverter converter(&container, sink);
JSONValue value;
SLANG_RETURN_ON_FAIL(converter.convert(rttiInfo, in, value));
// Convert into a string
JSONWriter writer(JSONWriter::IndentationStyle::Allman);
container.traverseRecursively(value, &writer);
out = writer.getBuilder();
return SLANG_OK;
}
/* static */JSONValue JSONRPCUtil::getId(JSONContainer* container, const JSONValue& root)
{
if (root.getKind() == JSONValue::Kind::Object)
{
const JSONKey key = container->findKey(JSONRPC::id);
if (key != JSONKey(0))
{
auto obj = container->getObject(root);
Index index = obj.findFirstIndex([key](const JSONKeyValue& pair) -> bool { return pair.key == key; });
if (index >= 0)
{
return obj[index].value;
}
}
}
return JSONValue();
}
} // namespace Slang
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