jsondom.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "jjson.h"
#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
using namespace jcommon;
static void postPrint( const JSONNode * node )
{
if( node->isLastChild() ) {
const JSONNode * parent = node->getParent();
if( JSONNode::ePair == parent->getType() ) {
parent = parent->getParent();
}
if( JSONNode::eObject == parent->getType() ) {
std::cout << "}";
} else {
assert( JSONNode::eArray == parent->getType() );
std::cout << "]";
}
postPrint( parent );
} else {
if( NULL != node->getParent() ) {
std::cout << ",";
}
}
}
int main( int argc, char * argv[] )
{
char * filename = NULL;
if( argc < 2 ) {
std::cout << "usage: " << argv[0] << " <json_file>" << std::endl;
exit( -1 );
} else {
filename = argv[1];
}
FILE * fp = fopen ( filename, "r" );
if( NULL == fp ) {
std::cout << "cannot not open " << filename << std::endl;
exit( -1 );
}
struct stat aStat;
char * source = NULL;
stat( filename, &aStat );
source = ( char * ) malloc ( aStat.st_size + 1 );
fread ( source, aStat.st_size, sizeof ( char ), fp );
fclose ( fp );
source[ aStat.st_size ] = '\0';
JSONDomParser parser;
parser.append( source, strlen( source ) );
if( NULL != parser.getError() ) {
std::cout << "\n\nerror: " << parser.getError() << std::endl;
}
free( source );
std::cout << "Test DomBuffer" << std::endl;
JSONDomBuffer buffer( parser.getValue(), 1 );
std::cout << buffer.getBuffer() << std::endl << std::endl;
std::cout << "Test Iterator" << std::endl;
JSONIterator iterator( parser.getValue() );
for( ; ; ) {
const JSONNode * node = iterator.getNext();
if( NULL == node ) break;
switch( node->getType() ) {
case JSONNode::eObject:
std::cout << "{";
break;
case JSONNode::eArray:
std::cout << "[";
break;
case JSONNode::ePair:
{
JSONStringBuffer buffer;
JSONCodec::encode( ((JSONPairNode*)node)->getName(), &buffer );
std::cout << "\"" << buffer.getBuffer() << "\" : ";
break;
}
case JSONNode::eString:
{
JSONStringBuffer buffer;
JSONCodec::encode( ((JSONStringNode*)node)->getValue(), &buffer );
std::cout << "\"" << buffer.getBuffer() << "\"";
postPrint( node );
break;
}
case JSONNode::eNull:
std::cout << "null";
postPrint( node );
break;
case JSONNode::eDouble:
std::cout << ((JSONDoubleNode*)node)->getValue();
postPrint( node );
break;
case JSONNode::eInt:
std::cout << ((JSONIntNode*)node)->getValue();
postPrint( node );
break;
case JSONNode::eBoolean:
std::cout << ((((JSONBooleanNode*)node)->getValue() == true)?"true":"false");
postPrint( node );
break;
case JSONNode::eComment:
std::cout << "//" << ((JSONCommentNode*)node)->getValue() << std::endl;
break;
default:
std::cout << "unknown" << std::endl;
break;
}
}
std::cout << std::endl;
return 0;
}