// JSON pretty formatting example
// This example can handle UTF-8/UTF-16LE/UTF-16BE/UTF-32LE/UTF-32BE.
// The input firstly convert to UTF8, and then write to the original encoding with pretty formatting.

#include "rapidjson/reader.h"
#include "rapidjson/prettywriter.h"
#include "rapidjson/filereadstream.h"
#include "rapidjson/filewritestream.h"
#include "rapidjson/encodedstream.h"    // NEW
#include "rapidjson/error/en.h"
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#endif

using namespace rapidjson;

int main(int, char*[])
{
#ifdef _WIN32
  // Prevent Windows converting between CR+LF and LF
  _setmode(_fileno(stdin), _O_BINARY);    // NEW
  _setmode(_fileno(stdout), _O_BINARY);   // NEW
#endif

  // Prepare reader and input stream.
  //Reader reader;
  GenericReader<AutoUTF<unsigned>, UTF8<> > reader;       // CHANGED
  char readBuffer[65536];
  FileReadStream is(stdin, readBuffer, sizeof(readBuffer));
  AutoUTFInputStream<unsigned, FileReadStream> eis(is);   // NEW

  // Prepare writer and output stream.
  char writeBuffer[65536];
  FileWriteStream os(stdout, writeBuffer, sizeof(writeBuffer));

#if 1
  // Use the same Encoding of the input. Also use BOM according to input.
  typedef AutoUTFOutputStream<unsigned, FileWriteStream> OutputStream;    // NEW
  OutputStream eos(os, eis.GetType(), eis.HasBOM());                      // NEW
  PrettyWriter<OutputStream, UTF8<>, AutoUTF<unsigned> > writer(eos);     // CHANGED
#else
  // You may also use static bound encoding type, such as output to UTF-16LE with BOM
  typedef EncodedOutputStream<UTF16LE<>,FileWriteStream> OutputStream;    // NEW
  OutputStream eos(os, true);                                             // NEW
  PrettyWriter<OutputStream, UTF8<>, UTF16LE<> > writer(eos);             // CHANGED
#endif

  // JSON reader parse from the input stream and let writer generate the output.
  //if (!reader.Parse<kParseValidateEncodingFlag>(is, writer)) {
  if (!reader.Parse<kParseValidateEncodingFlag>(eis, writer))     // CHANGED
  { fprintf(stderr, "\nError(%u): %s\n", static_cast<unsigned>(reader.GetErrorOffset()), GetParseError_En(reader.GetParseErrorCode()));
    return 1;
  }

  return 0;
}
