axmol/extensions/cocostudio/CocoLoader.cpp

#include "CocoLoader.h"
#include "zlib.h"

using namespace std;
using namespace rapidjson;

namespace cocostudio
{

char cTypeName[]          = {'N', 'F', 'T', 'O', 'A', 'S', 'V'};
const char* kTypeNames[]  = {"Null", "False", "True", "Object", "Array", "String", "Number"};
const char* kObjKeyName[] = {"__type", "classname"};
char g_Buff[2048];

char* stExpCocoAttribDesc::GetName(CocoLoader* pCoco)
{
    return (pCoco->GetMemoryAddr_String() + m_szName);
}

char* stExpCocoObjectDesc::GetName(CocoLoader* pCoco)
{
    return (pCoco->GetMemoryAddr_String() + m_szName);
}

int stExpCocoObjectDesc::GetAttribNum()
{
    return m_cAttribNum;
}

stExpCocoAttribDesc* stExpCocoObjectDesc::GetAttribDescArray(CocoLoader* pCoco)
{
    return (stExpCocoAttribDesc*)(pCoco->GetMemoryAddr_AttribDesc() + m_pAttribDescArray);
}

Type stExpCocoNode::GetType(CocoLoader* pCoco)
{

    Type tType = kObjectType;
    if (m_ObjIndex >= 0)
    {
        stExpCocoObjectDesc* tpCocoObjectDesc = pCoco->GetCocoObjectDescArray();
        if (m_AttribIndex >= 0)
        {
            stExpCocoAttribDesc* tpAttribDescArray =
                (stExpCocoAttribDesc*)tpCocoObjectDesc[m_ObjIndex].GetAttribDescArray(pCoco);
            tType = Type(tpAttribDescArray[m_AttribIndex].m_cTypeName - 'N' + kNullType);

            if (kFalseType == tType || kTrueType == tType)
            {
                char* szValue = (char*)GetValue(pCoco);
                if (szValue[0] == '0')
                {
                    return kFalseType;
                }
                else
                {
                    return kTrueType;
                }
            }
        }
        else
        {
            tType = kObjectType;
        }
    }
    else
    {
        if (m_AttribIndex >= 0)
        {
            tType = (Type)m_ChildNum;

            if (kFalseType == tType || kTrueType == tType)
            {
                char* szValue = (char*)GetValue(pCoco);
                if (szValue[0] == '0')
                {
                    return kFalseType;
                }
                else
                {
                    return kTrueType;
                }
            }
        }
        else
        {
            tType = kArrayType;
        }
    }
    return tType;
}

char* stExpCocoNode::GetName(CocoLoader* pCoco)
{
    char* szName = nullptr;
    if (m_ObjIndex >= 0)
    {
        stExpCocoObjectDesc* tpCocoObjectDesc = pCoco->GetCocoObjectDescArray();
        if (m_AttribIndex >= 0)
        {
            stExpCocoAttribDesc* tpAttribDescArray =
                (stExpCocoAttribDesc*)tpCocoObjectDesc[m_ObjIndex].GetAttribDescArray(pCoco);
            szName = tpAttribDescArray[m_AttribIndex].GetName(pCoco);
        }
        else
        {
            char* szValue = GetValue(pCoco);
            if (szValue[0])
            {
                szName = GetValue(pCoco);
            }
            else
            {
                szName = tpCocoObjectDesc[m_ObjIndex].GetName(pCoco);
            }
        }
    }
    else
    {
        if (m_AttribIndex >= 0)
        {
            char* pStringAddr = (char*)pCoco->GetCocoObjectDescArray() + pCoco->GetFileHeader()->m_lStringMemAddr;
            szName            = m_ChildArray + pStringAddr;
        }
        else
        {
            szName = (char*)GetValue(pCoco);
        }
    }
    return szName;
}

char* stExpCocoNode::GetValue(CocoLoader* pCoco)
{
    char* szValue = (pCoco->GetMemoryAddr_String() + m_szValue);
    if (0 == strcmp(szValue, "null") && GetType(pCoco) == kStringType)
    {
        strcpy(szValue, "");
    }
    return szValue;
}

int stExpCocoNode::GetChildNum()
{
    return m_ChildNum;
}

stExpCocoNode* stExpCocoNode::GetChildArray(CocoLoader* pCoco)
{
    return (stExpCocoNode*)(pCoco->GetMemoryAddr_CocoNode() + m_ChildArray);
}

CocoLoader::CocoLoader()
{
    m_pRootNode        = nullptr;
    m_pObjectDescArray = nullptr;
    m_pMemoryBuff      = nullptr;
}

CocoLoader::~CocoLoader()
{
    if (m_pMemoryBuff)
    {
        delete[] m_pMemoryBuff;
        m_pMemoryBuff = nullptr;
    }
}

bool CocoLoader::ReadCocoBinBuff(char* pBinBuff)
{
    if (m_pMemoryBuff)
        return true;
    char* pTempBuff = pBinBuff;

    m_pFileHeader = (stCocoFileHeader*)pTempBuff;
    pTempBuff += sizeof(stCocoFileHeader);
    char* pStartAddr = m_pMemoryBuff = pTempBuff;

    char* pDestBuff = new char[m_pFileHeader->m_nDataSize];
    if (m_pFileHeader->m_nCompressSize > 0)
    {
        uLongf dwSrcSize  = m_pFileHeader->m_nCompressSize;
        uLongf dwDestSize = m_pFileHeader->m_nDataSize;
        uncompress((Bytef*)pDestBuff, &dwDestSize, (Bytef*)m_pMemoryBuff, dwSrcSize);
    }
    else
    {
        memcpy(pDestBuff, m_pMemoryBuff, m_pFileHeader->m_nDataSize);
    }
    pStartAddr = m_pMemoryBuff = pDestBuff;

    m_pObjectDescArray = (stExpCocoObjectDesc*)pStartAddr;

    char* pCocoMemAddr = pStartAddr + m_pFileHeader->m_CocoNodeMemAddr;

    m_pRootNode = (stExpCocoNode*)pCocoMemAddr;

    return true;
}

char* CocoLoader::GetMemoryAddr_AttribDesc()
{
    return m_pMemoryBuff + m_pFileHeader->m_lAttribMemAddr;
}

char* CocoLoader::GetMemoryAddr_CocoNode()
{
    return m_pMemoryBuff + m_pFileHeader->m_CocoNodeMemAddr;
}

char* CocoLoader::GetMemoryAddr_String()
{
    return m_pMemoryBuff + m_pFileHeader->m_lStringMemAddr;
}
}  // namespace cocostudio