ceph/src/rapidjson/example/prettyauto/prettyauto.cpp

   1 // JSON pretty formatting example
   2 // This example can handle UTF-8/UTF-16LE/UTF-16BE/UTF-32LE/UTF-32BE.
   3 // The input firstly convert to UTF8, and then write to the original encoding with pretty formatting.
   4
   5 #include "rapidjson/reader.h"
   6 #include "rapidjson/prettywriter.h"
   7 #include "rapidjson/filereadstream.h"
   8 #include "rapidjson/filewritestream.h"
   9 #include "rapidjson/encodedstream.h"    // NEW
  10 #include "rapidjson/error/en.h"
  11 #ifdef _WIN32
  12 #include <fcntl.h>
  13 #include <io.h>
  14 #endif
  15
  16 using namespace rapidjson;
  17
  18 int main(int, char*[]) {
  19 #ifdef _WIN32
  20     // Prevent Windows converting between CR+LF and LF
  21     _setmode(_fileno(stdin), _O_BINARY);    // NEW
  22     _setmode(_fileno(stdout), _O_BINARY);   // NEW
  23 #endif
  24
  25     // Prepare reader and input stream.
  26     //Reader reader;
  27     GenericReader<AutoUTF<unsigned>, UTF8<> > reader;       // CHANGED
  28     char readBuffer[65536];
  29     FileReadStream is(stdin, readBuffer, sizeof(readBuffer));
  30     AutoUTFInputStream<unsigned, FileReadStream> eis(is);   // NEW
  31
  32     // Prepare writer and output stream.
  33     char writeBuffer[65536];
  34     FileWriteStream os(stdout, writeBuffer, sizeof(writeBuffer));
  35
  36 #if 1
  37     // Use the same Encoding of the input. Also use BOM according to input.
  38     typedef AutoUTFOutputStream<unsigned, FileWriteStream> OutputStream;    // NEW
  39     OutputStream eos(os, eis.GetType(), eis.HasBOM());                      // NEW
  40     PrettyWriter<OutputStream, UTF8<>, AutoUTF<unsigned> > writer(eos);     // CHANGED
  41 #else
  42     // You may also use static bound encoding type, such as output to UTF-16LE with BOM
  43     typedef EncodedOutputStream<UTF16LE<>,FileWriteStream> OutputStream;    // NEW
  44     OutputStream eos(os, true);                                             // NEW
  45     PrettyWriter<OutputStream, UTF8<>, UTF16LE<> > writer(eos);             // CHANGED
  46 #endif
  47
  48     // JSON reader parse from the input stream and let writer generate the output.
  49     //if (!reader.Parse<kParseValidateEncodingFlag>(is, writer)) {
  50     if (!reader.Parse<kParseValidateEncodingFlag>(eis, writer)) {   // CHANGED
  51         fprintf(stderr, "\nError(%u): %s\n", static_cast<unsigned>(reader.GetErrorOffset()), GetParseError_En(reader.GetParseErrorCode()));
  52         return 1;
  53     }
  54
  55     return 0;
  56 }