Important Update:

- JSONparseCore:
  - Implement output to string
  - Added method WriteToString()
  - Create function pointers which is selected for correct output:
    JSONstrOutput or JSONfileOutput -> Print()
  - Replace all write() statements with Print() statements
  - Modify PrintStr not use dprintf, but sprintf to temp buffer

JSONparseCore.h

@@ -11,6 +11,7 @@
 // Standard C/C++ Libraries
 #include <string.h>
 #include <ctype.h>
+#include <unistd.h>
 
 // redA Libraries
 #include "DataTreeCore.h"
@@ -18,14 +19,26 @@
 
 //---------------------------------------------------------------------------
 
+// Pointer template for File/String Output functions
+class CJSONparse;
+inline ssize_t JSONstrOutput( CJSONparse * JSONparse, const char * Data, size_t Len );
+inline ssize_t JSONfileOutput( CJSONparse * JSONparse, const char * Data, size_t Len );
+
+typedef ssize_t (*FOutput)( CJSONparse * JSONparse, const char * Data, size_t Len );
+
+//---------------------------------------------------------------------------
+
 class CJSONparse
 {
-private:
+protected:
     CDataMember     * DataTree  = NULL;
 
     // File operation
-    int     InputHandle         = -1;
-    int     OutputHandle        = -1;
+    int     InputHandle     = -1;
+    int     OutputHandle    = -1;
+    char    * OutputStr     = NULL;
+    size_t  OutputMaxLen    = 0;
+    size_t  OutputPos       = 0;
 
     CShiftBuffer    * Buffer    = NULL;
 
@@ -37,6 +50,7 @@ private:
     bool    RefillBuffer    = false;
 
     // Printing Operation
+    FOutput Print           = NULL;
     char    Spacer[100]     = "";
     int     SpacerLen       = 0;
 
@@ -77,12 +91,33 @@ public:
     bool ReadFromFile( const char * BasePath, const char * FilePath );
 
     // Output
+    bool WriteToString( const char * BasePath, char * TargetStr, int &MaxLen, const int Indent = 0 );
     bool WriteToHandle( const char * BasePath, const int Handle, const int Indent = 2 );
     bool WriteToScreen( const char * BasePath, const int Indent = 2 );
     bool WriteToFile( const char * BasePath, const char * Path, const char * FileName, const int Indent = 2 );
     bool WriteToFile( const char * BasePath, const char * FilePath, const int Indent = 2 );
 
     const char * GetError() { return ((Error)? ErrorText : "Success"); };
+
+    friend inline ssize_t JSONstrOutput( CJSONparse * JSONparse, const char * Data, size_t Len );
+    friend inline ssize_t JSONfileOutput( CJSONparse * JSONparse, const char * Data, size_t Len );
 };
+//---------------------------------------------------------------------------
+
+inline ssize_t JSONstrOutput( CJSONparse * JSONparse, const char * Data, size_t Len )
+{
+    if (JSONparse->OutputPos + Len > JSONparse->OutputMaxLen) return -1;
+    memcpy( &JSONparse->OutputStr[JSONparse->OutputPos], Data, Len );
+    JSONparse->OutputPos += Len;
+    JSONparse->OutputStr[JSONparse->OutputPos] = 0;
+    return Len;
+}
+//---------------------------------------------------------------------------
+
+inline ssize_t JSONfileOutput( CJSONparse * JSONparse, const char * Data, size_t Len )
+{
+    return write( JSONparse->OutputHandle, Data, Len );
+}
+//---------------------------------------------------------------------------
 
 #endif /* REDACORE_JSONPARSECORE_H_ */