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/********************************************************************************
* *
* J S O N S t r i n g I / O *
* *
*********************************************************************************
* Copyright (C) 2018,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#include "xincs.h"
#include "fxver.h"
#include "fxdefs.h"
#include "fxmath.h"
#include "fxascii.h"
#include "FXElement.h"
#include "FXArray.h"
#include "FXString.h"
#include "FXIO.h"
#include "FXIODevice.h"
#include "FXStat.h"
#include "FXFile.h"
#include "FXException.h"
#include "FXVariant.h"
#include "FXVariantArray.h"
#include "FXVariantMap.h"
#include "FXJSON.h"
#include "FXJSONString.h"
/*
Notes:
- JSON Serialization to a string.
- Should default behaviour be to append to the given string instead of overwriting
it (if writing)?
*/
using namespace FX;
namespace FX {
/*******************************************************************************/
// Create JSON file i/o object
FXJSONString::FXJSONString(){
FXTRACE((100,"FXJSONString::FXJSONString\n"));
}
// Create JSON string i/o object and open it
FXJSONString::FXJSONString(const FXString& string,Direction d){
FXTRACE((100,"FXJSONString::FXJSONString(\"%.*s\",%s)\n",(FXint)FXMIN(string.length(),16),string.text(),(d==Save)?"Save":(d==Load)?"Load":"Stop"));
open(string,d);
}
// Create JSON string i/o object and open it
FXJSONString::FXJSONString(const FXchar* string,FXuval length,Direction d){
FXTRACE((100,"FXJSONString::FXJSONString(\"%.*s\",%lu,%s)\n",(FXint)FXMIN(length,16),string,length,(d==Save)?"Save":(d==Load)?"Load":"Stop"));
open(string,length,d);
}
// Open archive for operation
FXbool FXJSONString::open(const FXString& string,Direction d){
FXTRACE((101,"FXJSONString::open(\"%.*s\",%s)\n",(FXint)FXMIN(string.length(),16),string.text(),(d==Save)?"Save":(d==Load)?"Load":"Stop"));
FXASSERT(dir==Stop);
buffer=string;
if(FXJSON::open(buffer.text(),buffer.length(),d)){
// wptr=endptr; // Append to end of buffer
return true;
}
return false;
}
// Open archive for operation
FXbool FXJSONString::open(const FXchar* string,FXuval length,Direction d){
FXTRACE((101,"FXJSONString::open(\"%.*s\",%lu,%s)\n",(FXint)FXMIN(length,16),string,length,(d==Save)?"Save":(d==Load)?"Load":"Stop"));
FXASSERT(dir==Stop);
buffer.assign(string,length);
if(FXJSON::open(buffer.text(),buffer.length(),d)){
// wptr=endptr; // Append to end of buffer
return true;
}
return false;
}
// Read at least count bytes into buffer; return bytes available, or -1 for error
FXival FXJSONString::fill(FXival){
FXASSERT(dir==Load);
if(dir==Load){
return wptr-sptr;
}
return -1;
}
// Write at least count bytes from buffer; return space available, or -1 for error
FXival FXJSONString::flush(FXival count){
FXASSERT(dir==Save);
if(dir==Save){
FXchar *oldptr=begptr;
buffer.length(buffer.length()+count);
begptr=buffer.text();
endptr=buffer.text()+buffer.length();
rptr=begptr+(rptr-oldptr);
sptr=begptr+(sptr-oldptr);
wptr=begptr+(wptr-oldptr);
return endptr-wptr;
}
return -1;
}
// Close stream and delete buffers
FXbool FXJSONString::close(){
FXTRACE((101,"FXJSONString::close()\n"));
return FXJSON::close();
}
// Close JSON file
FXJSONString::~FXJSONString(){
FXTRACE((100,"FXJSONString::~FXJSONString\n"));
close();
}
}
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