#include "il2cpp-config.h"

#if !IL2CPP_TINY_WITHOUT_DEBUGGER

#include <stdint.h>
#include "BlobReader.h"
#include "utils/MemoryRead.h"
#include "il2cpp-object-internals.h"
#include "il2cpp-vm-support.h"

#include "hybridclr/metadata/RawImage.h"

namespace il2cpp
{
namespace utils
{
    int BlobReader::GetConstantValueFromBlob(Il2CppTypeEnum type, const char *blob, void *value, bool compressBlogSize)
    {
        int retval = 0;
        const char *p = blob;

        switch (type)
        {
            case IL2CPP_TYPE_BOOLEAN:
            case IL2CPP_TYPE_U1:
            case IL2CPP_TYPE_I1:
                *(uint8_t*)value = *p;
                break;
            case IL2CPP_TYPE_CHAR:
                *(Il2CppChar*)value = ReadChar(p);
                break;
            case IL2CPP_TYPE_U2:
            case IL2CPP_TYPE_I2:
                *(uint16_t*)value = Read16(p);
                break;
            case IL2CPP_TYPE_U4:
            case IL2CPP_TYPE_I4:
                *(uint32_t*)value = Read32(p);
                break;
            case IL2CPP_TYPE_U8:
            case IL2CPP_TYPE_I8:
                *(uint64_t*)value = Read64(p);
                break;
            case IL2CPP_TYPE_R4:
                *(float*)value = ReadFloat(p);
                break;
            case IL2CPP_TYPE_R8:
                *(double*)value = ReadDouble(p);
                break;
            case IL2CPP_TYPE_STRING:
            {
                *(void**)value = NULL;
                if (p != NULL)
                {
                    if (compressBlogSize)
                    {
                        // origin IL metadata use compress encode length
                        hybridclr::metadata::BlobReader blob = hybridclr::metadata::RawImage::DecodeBlob((const hybridclr::byte*)p);
                        *(VmString**)value = IL2CPP_VM_STRING_NEW_UTF16((const Il2CppChar*)blob.GetData(), blob.GetLength()/2);
                    }
                    else
                    {
                        // int32_t length followed by non-null terminated utf-8 byte stream
                        uint32_t length = Read32(p);
                        *(VmString**)value = IL2CPP_VM_STRING_NEW_LEN(p + sizeof(uint32_t), length);
                    }
                }
                break;
            }
            case IL2CPP_TYPE_CLASS:
            case IL2CPP_TYPE_OBJECT:
            case IL2CPP_TYPE_GENERICINST:
            case IL2CPP_TYPE_SZARRAY:
                IL2CPP_ASSERT(p == NULL);
                *(void**)value = NULL;
                break;
            default:
                retval = -1;
                IL2CPP_ASSERT(0);
        }
        return retval;
    }
} /* utils */
} /* il2cpp */

#endif