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JsonStthm.cpp
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#include "JsonStthm.h"
#include <stdio.h> // FILE, fopen, fclose, fwrite, fread
// Experimental long/double parser
//#define STTHM_USE_CUSTOM_NUMERIC_PARSER
namespace JsonStthm
{
namespace Internal
{
const uint32_t _c_lInfinity[2] = { 0x00000000, 0x7ff00000 };
const uint32_t _c_lNaN[2] = { 0x00000000, 0x7ff80000 };
const uint32_t _c_lNaNMask = 0x7ff00000;
const uint32_t _c_lNaNPayloadMask[2] = { 0xffffFFFF, 0x000fFFFF };
const double c_fInfinity = *(double*)&_c_lInfinity;
const double c_fNegativeInfinity = -c_fInfinity;
const double c_fNaN = *(double*)&_c_lNaN;
bool IsNaN(double x)
{
// Checking NaN Payload not equal 0
uint32_t* pLong = (uint32_t*)&x;
return (pLong[1] & _c_lNaNMask) == _c_lNaNMask &&
(
(pLong[0] & _c_lNaNPayloadMask[0]) != 0 ||
(pLong[1] & _c_lNaNPayloadMask[1]) != 0
);
}
bool IsInfinite(double x)
{
return memcmp(&c_fInfinity, &x, sizeof(double)) == 0
|| memcmp(&c_fNegativeInfinity, &x, sizeof(double)) == 0;
}
bool IsSpace(char cChar)
{
return cChar == ' ' || (cChar >= '\t' && cChar <= '\r');
}
bool IsDigit(char cChar)
{
return (cChar >= '0' && cChar <= '9');
}
const unsigned char c_pXDigitLut[256] = {
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, 255, 255, 255, 255,
255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255
};
inline uint8_t XDigitToUInt8(unsigned char cChar)
{
return c_pXDigitLut[cChar];
}
void SkipSpaces(const char*& pString, const char* pEnd)
{
while (pString < pEnd && IsSpace(*pString)) ++pString;
}
int64_t StrToInt64(const char* pString, const char* pEnd, char** pCursor)
{
bool bNeg = false;
if (pString < pEnd && *pString == '-')
{
++pString;
bNeg = true;
}
int64_t lValue = 0;
while (pString < pEnd && IsDigit(*pString))
lValue = lValue * 10 + (*pString++ & 0xF);
if (pCursor != NULL)
*pCursor = (char*)pString;
return bNeg ? -lValue : lValue;
}
}
//////////////////////////////
// JsonValue::Iterator
//////////////////////////////
JsonValue::Iterator::Iterator(const JsonValue* pJson)
{
if (pJson != NULL && pJson->IsContainer())
{
m_pChild = pJson->m_oValue.Childs.m_pFirst;
}
else
{
m_pChild = NULL;
}
}
JsonValue::Iterator::Iterator(const Iterator& oIt)
{
m_pChild = oIt.m_pChild;
}
bool JsonValue::Iterator::IsValid() const
{
return m_pChild != NULL;
}
bool JsonValue::Iterator::operator!=(const Iterator& oIte) const
{
return m_pChild != oIte.m_pChild;
}
void JsonValue::Iterator::operator++()
{
if (m_pChild != NULL)
m_pChild = m_pChild->m_pNext;
}
const JsonValue& JsonValue::Iterator::operator*() const
{
return m_pChild != NULL ? *m_pChild : INVALID;
}
const JsonValue* JsonValue::Iterator::operator->() const
{
return m_pChild;
}
//////////////////////////////
// JsonValue
//////////////////////////////
JsonValue JsonValue::INVALID;
Allocator JsonValue::s_oDefaultAllocator = {
JsonValue::DefaultAllocatorCreateJsonValue,
JsonValue::DefaultAllocatorDeleteJsonValue,
JsonValue::DefaultAllocatorAllocString,
JsonValue::DefaultAllocatorFreeString,
NULL
};
JsonValue::JsonValue(Allocator* pAllocator)
: m_pAllocator(pAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
JsonStthmAssert(m_pAllocator != NULL);
}
JsonValue::JsonValue()
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
}
JsonValue::JsonValue(const JsonValue& oSource)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = oSource;
}
JsonValue::JsonValue(bool bValue)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = bValue;
}
#ifdef JsonStthmString
JsonValue::JsonValue(const JsonStthmString& sValue)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = sValue;
}
#endif //JsonStthmString
JsonValue::JsonValue(const char* pValue)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = pValue;
}
JsonValue::JsonValue(int64_t iValue)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = iValue;
}
JsonValue::JsonValue(double fValue)
: m_pAllocator(&s_oDefaultAllocator)
, m_eType(E_TYPE_NULL)
, m_pName(NULL)
, m_pNext(NULL)
{
*this = fValue;
}
JsonValue::~JsonValue()
{
if (m_pName != NULL)
{
m_pAllocator->FreeString(m_pName, m_pAllocator->pUserData);
m_pName = NULL;
}
Reset();
}
void JsonValue::InitType(EType eType)
{
if (m_eType == E_TYPE_OBJECT || m_eType == E_TYPE_ARRAY || m_eType == E_TYPE_STRING)
Reset();
if (m_eType != eType)
{
m_eType = eType;
switch (eType)
{
case E_TYPE_OBJECT:
case E_TYPE_ARRAY:
m_oValue.Childs.m_pFirst = NULL;
m_oValue.Childs.m_pLast = NULL;
break;
case E_TYPE_STRING:
m_oValue.String = NULL;
break;
default:
break;
}
}
}
void JsonValue::Reset()
{
switch (m_eType)
{
case E_TYPE_OBJECT:
case E_TYPE_ARRAY:
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
while (pChild != NULL)
{
JsonValue* pTemp = pChild->m_pNext;
m_pAllocator->DeleteJsonValue(pChild, m_pAllocator->pUserData);
pChild = pTemp;
}
m_oValue.Childs.m_pFirst = NULL;
m_oValue.Childs.m_pLast = NULL;
break;
}
case E_TYPE_STRING:
{
m_pAllocator->FreeString(m_oValue.String, m_pAllocator->pUserData);
m_oValue.String = NULL;
break;
}
default:
break;
}
m_eType = E_TYPE_NULL;
}
JsonValue::EType JsonValue::GetType() const
{
return m_eType;
}
void JsonValue::SetStringValue(const char* pString)
{
JsonStthmAssert(IsString());
m_pAllocator->FreeString(m_oValue.String, m_pAllocator->pUserData);
m_oValue.String = NULL;
if (NULL != pString)
{
size_t iLen = 1 + strlen(pString);
char* pNewString = m_pAllocator->AllocString(iLen, m_pAllocator->pUserData);
memcpy(pNewString, pString, iLen);
m_oValue.String = pNewString;
}
}
int JsonValue::ReadString(const char* pJson, const char* pJsonEnd)
{
if (pJson != NULL)
{
Reset();
if (pJsonEnd == NULL)
{
pJsonEnd = pJson + strlen(pJson);
}
const char* pEnd = pJson;
if (Parse(pEnd, pJsonEnd) == false)
{
int iLine = 1;
int iReturn = 1;
while (pJson != pEnd)
{
if (*pJson == '\n')
++iLine;
else if (*pJson == '\r')
++iReturn;
++pJson;
}
if (iReturn > iLine)
iLine = iReturn;
return iLine;
}
return 0;
}
return -1;
}
int JsonValue::ReadFile(const char* pFilename)
{
FILE* pFile = fopen(pFilename, "r");
if (NULL != pFile)
{
Reset();
fseek(pFile, 0, SEEK_END);
long iSize = ftell(pFile);
fseek(pFile, 0, SEEK_SET);
char* pString = (char*)JsonStthmMalloc(iSize + 1);
if (pString == NULL)
{
fclose(pFile);
return -2;
}
fread(pString, 1, iSize, pFile);
fclose(pFile);
pString[iSize] = 0;
int iLine = ReadString(pString, pString + iSize);
JsonStthmFree(pString);
return iLine;
}
return -1;
}
void JsonValue::Write(Internal::CharBuffer& sOutJson, size_t iIndent, bool bCompact) const
{
if (m_eType == E_TYPE_OBJECT)
{
Internal::CharBuffer sIndent(iIndent, '\t');
Internal::CharBuffer sIndent2(iIndent + 1, '\t');
sOutJson += '{';
JsonValue* pChild = m_oValue.Childs.m_pFirst;
bool bFirst = true;
while (pChild != NULL)
{
if (bFirst == false)
{
sOutJson += ',';
}
else
{
bFirst = false;
}
if (bCompact == false)
{
sOutJson += '\n';
sOutJson.PushRange(sIndent2.Data(), sIndent2.Size());
}
sOutJson += '\"';
WriteStringEscaped(sOutJson, pChild->m_pName);
sOutJson += '\"';
sOutJson += ':';
if (bCompact == false)
sOutJson += ' ';
pChild->Write(sOutJson, iIndent + 1, bCompact);
pChild = pChild->m_pNext;
}
if (bCompact == false)
{
sOutJson += '\n';
sOutJson.PushRange(sIndent.Data(), sIndent.Size());
}
sOutJson += '}';
}
else if (m_eType == E_TYPE_ARRAY)
{
Internal::CharBuffer sIndent(iIndent, '\t');
Internal::CharBuffer sIndent2(iIndent + 1, '\t');
sOutJson += '[';
JsonValue* pChild = m_oValue.Childs.m_pFirst;
bool bFirst = true;
while (pChild != NULL)
{
if (bFirst == false)
{
sOutJson += ',';
}
else
{
bFirst = false;
}
if (bCompact == false)
{
sOutJson += '\n';
sOutJson.PushRange(sIndent2.Data(), sIndent2.Size());
}
pChild->Write(sOutJson, iIndent + 1, bCompact);
pChild = pChild->m_pNext;
}
if (bCompact == false)
{
sOutJson += '\n';
sOutJson.PushRange(sIndent.Data(), sIndent.Size());
}
sOutJson += ']';
}
else if (m_eType == E_TYPE_STRING)
{
sOutJson += '\"';
WriteStringEscaped(sOutJson, m_oValue.String);
sOutJson += '\"';
}
else if (m_eType == E_TYPE_BOOLEAN)
{
if (m_oValue.Boolean)
{
sOutJson.PushRange("true", 4);
}
else
{
sOutJson.PushRange("false", 5);
}
}
else if (m_eType == E_TYPE_INTEGER)
{
char sBuffer[256];
snprintf(sBuffer, 256, "%jd", m_oValue.Integer);
size_t iLen = strlen(sBuffer);
sOutJson.PushRange(sBuffer, iLen);
}
else if (m_eType == E_TYPE_FLOAT)
{
if (Internal::IsNaN(m_oValue.Float))
{
sOutJson.PushRange("NaN", 3);
}
else if (Internal::IsInfinite(m_oValue.Float))
{
if (m_oValue.Float < 0.f)
sOutJson.PushRange("-Infinity", 9);
else
sOutJson.PushRange("Infinity", 8);
}
else
{
char sBuffer[256];
snprintf(sBuffer, 256, "%.17g", m_oValue.Float);
size_t iLen = strlen(sBuffer);
sOutJson.PushRange(sBuffer, iLen);
}
}
else
{
sOutJson.PushRange("null", 4);
}
}
#ifdef JsonStthmString
void JsonValue::WriteString(JsonStthmString& sOutJson, bool bCompact) const
{
Internal::CharBuffer oBuffer;
Write(oBuffer, 0, bCompact);
sOutJson.resize(oBuffer.Size());
oBuffer.WriteTo((char*)sOutJson.data());
}
#endif //JsonStthmString
char* JsonValue::WriteString(bool bCompact) const
{
Internal::CharBuffer oBuffer;
Write(oBuffer, 0, bCompact);
char* pString = (char*)JsonStthmMalloc(oBuffer.Size() + 1);
if (pString != NULL)
{
oBuffer.WriteTo(pString);
pString[oBuffer.Size()] = '\0';
}
return pString;
}
bool JsonValue::WriteFile(const char* pFilename, bool bCompact) const
{
FILE* pFile = fopen(pFilename, "w");
if (NULL != pFile)
{
Internal::CharBuffer sJson;
Write(sJson, 0, bCompact);
bool bRet = fwrite(sJson.Data(), sizeof(char), sJson.Size(), pFile) == (sizeof(char) * sJson.Size());
fclose(pFile);
return bRet;
}
return false;
}
int JsonValue::GetMemberCount() const
{
int iCount = 0;
if (m_eType == E_TYPE_OBJECT || m_eType == E_TYPE_ARRAY)
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
while (pChild != NULL)
{
++iCount;
pChild = pChild->m_pNext;
}
}
return iCount;
}
const char* JsonValue::ToString() const
{
if (m_eType == E_TYPE_STRING)
return m_oValue.String;
return NULL;
}
bool JsonValue::ToBoolean() const
{
if (m_eType == E_TYPE_BOOLEAN)
return m_oValue.Boolean;
return false;
}
int64_t JsonValue::ToInteger() const
{
if (m_eType == E_TYPE_INTEGER)
return m_oValue.Integer;
else if (m_eType == E_TYPE_FLOAT)
return (int64_t)m_oValue.Float;
return 0;
}
double JsonValue::ToFloat() const
{
if (m_eType == E_TYPE_FLOAT)
return m_oValue.Float;
else if (m_eType == E_TYPE_INTEGER)
return (double)m_oValue.Integer;
return 0.0;
}
#ifdef STTHM_ENABLE_IMPLICIT_CAST
JsonValue::operator const char*() const
{
return ToString();
}
JsonValue::operator bool() const
{
return ToBoolean();
}
JsonValue::operator int64_t() const
{
return ToInteger();
}
JsonValue::operator double() const
{
return ToFloat();
}
#endif //STTHM_ENABLE_IMPLICIT_CAST
void JsonValue::SetString(const char* pValue)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return;
if (NULL != pValue)
{
InitType(E_TYPE_STRING);
SetStringValue(pValue);
}
else
{
InitType(E_TYPE_NULL);
}
}
void JsonValue::SetBoolean(bool bValue)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return;
InitType(E_TYPE_BOOLEAN);
m_oValue.Boolean = bValue;
}
void JsonValue::SetInteger(int64_t iValue)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return;
InitType(E_TYPE_INTEGER);
m_oValue.Integer = iValue;
}
void JsonValue::SetFloat(double fValue)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return;
InitType(E_TYPE_FLOAT);
m_oValue.Float = fValue;
}
JsonValue& JsonValue::Append()
{
JsonStthmAssert(this != &INVALID);
if (this == &INVALID)
return INVALID;
if (m_eType == E_TYPE_NULL)
InitType(E_TYPE_ARRAY);
if (m_eType != E_TYPE_ARRAY)
return INVALID;
// Append new element
JsonValue* pNewChild = m_pAllocator->CreateJsonValue(m_pAllocator, m_pAllocator->pUserData);
if (NULL != m_oValue.Childs.m_pLast)
m_oValue.Childs.m_pLast->m_pNext = pNewChild;
else
m_oValue.Childs.m_pFirst = pNewChild;
m_oValue.Childs.m_pLast = pNewChild;
return *m_oValue.Childs.m_pLast;
}
bool JsonValue::Combine(const JsonValue& oRight, bool bMergeSubMembers)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return false;
if (m_eType != oRight.m_eType)
return false;
switch(m_eType)
{
case E_TYPE_NULL:
// Nothing to do
break;
case E_TYPE_OBJECT:
{
// Replace value or try to add recursively values of sub objects
for (const JsonValue* pChild = oRight.m_oValue.Childs.m_pFirst; pChild != NULL; pChild = pChild->m_pNext)
{
JsonValue& oLeftChild = (*this)[pChild->m_pName];
if (bMergeSubMembers && oLeftChild.m_eType == pChild->m_eType) // Combine again is the childrens's type is the same otherwise replace it
{
(*this)[pChild->m_pName].Combine(*pChild, true);
}
else
{
(*this)[pChild->m_pName] = *pChild;
}
}
break;
}
case E_TYPE_ARRAY:
{
// Append to array
for (const JsonValue* pChild = oRight.m_oValue.Childs.m_pFirst; pChild != NULL; pChild = pChild->m_pNext)
{
Append() = *pChild;
}
break;
}
case E_TYPE_STRING:
{
// Concatenate strings
size_t iLenLeft = strlen(m_oValue.String);
size_t iLenRight = strlen(oRight.m_oValue.String);
size_t iLenNew = iLenLeft + iLenRight;
char* pNewString = m_pAllocator->AllocString(iLenNew + 1, m_pAllocator->pUserData);
memcpy(pNewString, m_oValue.String, iLenLeft);
memcpy(pNewString + iLenLeft, oRight.m_oValue.String, iLenRight);
pNewString[iLenNew] = 0;
m_pAllocator->FreeString(m_oValue.String, m_pAllocator->pUserData);
m_oValue.String = pNewString;
break;
}
case E_TYPE_BOOLEAN:
m_oValue.Boolean = m_oValue.Boolean || oRight.m_oValue.Boolean;
break;
case E_TYPE_INTEGER:
m_oValue.Integer += oRight.m_oValue.Integer;
break;
case E_TYPE_FLOAT:
m_oValue.Float += oRight.m_oValue.Float;
break;
}
return true;
}
bool JsonValue::operator ==(const JsonValue& oRight) const
{
if (m_eType != oRight.m_eType)
return false;
switch (m_eType)
{
case E_TYPE_NULL:
break;
case E_TYPE_OBJECT:
{
// We don't care if members order is not the same
const JsonValue* pChildLeft = m_oValue.Childs.m_pFirst;
while (pChildLeft != NULL)
{
if (*pChildLeft != oRight[pChildLeft->m_pName])
return false;
pChildLeft = pChildLeft->m_pNext;
}
break;
}
case E_TYPE_ARRAY:
{
JsonValue* pChildLeft = m_oValue.Childs.m_pFirst;
JsonValue* pChildRight = oRight.m_oValue.Childs.m_pFirst;
while (pChildLeft != NULL && pChildRight != NULL)
{
if (*pChildLeft != *pChildRight)
return false;
pChildLeft = pChildLeft->m_pNext;
pChildRight = pChildRight->m_pNext;
}
if (pChildLeft != NULL || pChildRight != NULL)
return false;
break;
}
case E_TYPE_STRING:
if (strcmp(m_oValue.String, oRight.m_oValue.String) != 0)
return false;
break;
case E_TYPE_BOOLEAN:
if (memcmp(&m_oValue.Boolean, &oRight.m_oValue.Boolean, sizeof(m_oValue.Boolean)) != 0)
return false;
break;
case E_TYPE_INTEGER:
if (memcmp(&m_oValue.Integer, &oRight.m_oValue.Integer, sizeof(m_oValue.Integer)) != 0)
return false;
break;
case E_TYPE_FLOAT:
if (memcmp(&m_oValue.Float, &oRight.m_oValue.Float, sizeof(m_oValue.Float)) != 0)
return false;
break;
}
return true;
}
bool JsonValue::operator !=(const JsonValue& oRight) const
{
return (*this == oRight) == false;
}
const JsonValue& JsonValue::operator[](const char* pName) const
{
if (m_eType == E_TYPE_OBJECT)
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
while (pChild != NULL)
{
if (strcmp(pChild->m_pName, pName) == 0)
return *pChild;
if (pChild->m_pNext == NULL)
break;
pChild = pChild->m_pNext;
}
}
return JsonValue::INVALID;
}
JsonValue& JsonValue::operator[](const char* pName)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return JsonValue::INVALID;
if (pName == NULL || pName[0] == 0)
return JsonValue::INVALID;
if (m_eType == E_TYPE_NULL)
InitType(E_TYPE_OBJECT);
if (m_eType == E_TYPE_OBJECT)
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
while (pChild != NULL)
{
if (strcmp(pChild->m_pName, pName) == 0)
return *pChild;
if (pChild->m_pNext == NULL)
break;
pChild = pChild->m_pNext;
}
JsonValue* pNewMember = m_pAllocator->CreateJsonValue(m_pAllocator, m_pAllocator->pUserData);
size_t iNameLen = strlen(pName) + 1;
void* pNewString = m_pAllocator->AllocString(iNameLen, m_pAllocator->pUserData);
memcpy(pNewString, (const void*)pName, iNameLen);
pNewMember->m_pName = (char*)pNewString;
if (NULL != m_oValue.Childs.m_pLast)
m_oValue.Childs.m_pLast->m_pNext = pNewMember;
else
m_oValue.Childs.m_pFirst = pNewMember;
m_oValue.Childs.m_pLast = pNewMember;
return *pNewMember;
}
return JsonValue::INVALID;
}
const JsonValue& JsonValue::operator[](char* pName) const
{
return (*this)[(const char*)pName];
}
JsonValue& JsonValue::operator[](char* pName)
{
return (*this)[(const char*)pName];
}
const JsonValue& JsonValue::operator [](int iIndex) const
{
if (m_eType == E_TYPE_OBJECT || m_eType == E_TYPE_ARRAY)
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
int iCurrent = 0;
while (pChild != NULL)
{
if (iCurrent++ == iIndex)
return *pChild;
pChild = pChild->m_pNext;
}
}
return JsonValue::INVALID;
}
JsonValue& JsonValue::operator[](int iIndex)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return JsonValue::INVALID;
if (m_eType == E_TYPE_NULL)
InitType(E_TYPE_ARRAY);
if (m_eType == E_TYPE_OBJECT || m_eType == E_TYPE_ARRAY)
{
JsonValue* pChild = m_oValue.Childs.m_pFirst;
int iCurrent = 0;
while (pChild != NULL)
{
if (iCurrent++ == iIndex)
return *pChild;
if (pChild->m_pNext == NULL)
break;
pChild = pChild->m_pNext;
}
if (m_eType == E_TYPE_ARRAY)
{
do
{
JsonValue* pNewChild = m_pAllocator->CreateJsonValue(m_pAllocator, m_pAllocator->pUserData);
if (NULL != m_oValue.Childs.m_pLast)
m_oValue.Childs.m_pLast->m_pNext = pNewChild;
else
m_oValue.Childs.m_pFirst = pNewChild;
m_oValue.Childs.m_pLast = pNewChild;
}
while (iCurrent++ != iIndex);
return *m_oValue.Childs.m_pLast;
}
}
return JsonValue::INVALID;
}
JsonValue& JsonValue::operator =(const JsonValue& oValue)
{
JsonStthmAssert(this != &JsonStthm::JsonValue::INVALID);
if (this == &JsonStthm::JsonValue::INVALID)
return JsonValue::INVALID;
if (oValue.m_eType == E_TYPE_OBJECT)
{
InitType(E_TYPE_OBJECT);
JsonValue* pSourceChild = oValue.m_oValue.Childs.m_pFirst;
while (pSourceChild != NULL)
{
JsonValue* pNewChild = new JsonValue(*pSourceChild);
if (pSourceChild->m_pName != NULL)
{
size_t iNameLen = strlen(pSourceChild->m_pName) + 1;
char* pNewString = m_pAllocator->AllocString(iNameLen, m_pAllocator->pUserData);
memcpy(pNewString, pSourceChild->m_pName, iNameLen);
pNewChild->m_pName = pNewString;
}
if (NULL != m_oValue.Childs.m_pLast)
m_oValue.Childs.m_pLast->m_pNext = pNewChild;
else
m_oValue.Childs.m_pFirst = pNewChild;
m_oValue.Childs.m_pLast = pNewChild;
pSourceChild = pSourceChild->m_pNext;
}
}
else if (oValue.m_eType == E_TYPE_ARRAY)
{
InitType(E_TYPE_ARRAY);
JsonValue* pSourceChild = oValue.m_oValue.Childs.m_pFirst;
while (pSourceChild != NULL)
{
JsonValue* pNewChild = new JsonValue(*pSourceChild);
if (NULL != m_oValue.Childs.m_pLast)
m_oValue.Childs.m_pLast->m_pNext = pNewChild;
else
m_oValue.Childs.m_pFirst = pNewChild;
m_oValue.Childs.m_pLast = pNewChild;
pSourceChild = pSourceChild->m_pNext;
}
}
else if (oValue.m_eType == E_TYPE_BOOLEAN)
{
*this = oValue.ToBoolean();
}
else if (oValue.m_eType == E_TYPE_STRING)
{
*this = oValue.ToString();
}
else if (oValue.m_eType == E_TYPE_INTEGER)
{
*this = oValue.ToInteger();
}
else if (oValue.m_eType == E_TYPE_FLOAT)
{
*this = oValue.ToFloat();
}