Files
mongo/db/json.cpp
2008-06-27 18:35:03 -04:00

47 lines
893 B
C++

// json.cpp
#include "stdafx.h"
#include "json.h"
#include "../util/builder.h"
/* partial implementation for now */
void skipWhite(const char *&p) {
while( *p == ' ' || *p == '\r' || *p == '\n' || *p == '\t' )
p++;
}
void value(JSObjBuilder& b, const char *&p, string& id) {
if( strncmp(p, "ObjId()", 7) == 0 ) {
p += 7;
b.appendOID(id.c_str());
}
}
void _fromjson(JSObjBuilder& b, const char *&p) {
while( 1 ) {
skipWhite(p);
if( *p == 0 )
break;
if( *p == '{' ) { _fromjson(b,++p); continue; }
if( *p == '}' ) { ++p; break; }
if( *p == '_' || isalpha(*p) ) {
string id;
while( *p == '_' || isalpha(*p) || isdigit(*p) ) {
id += *p++;
}
skipWhite(p);
assert( *p == ':' ); p++;
skipWhite(p);
value(b, p, id);
continue;
}
}
}
JSObj fromjson(const char *str) {
JSObjBuilder b;
_fromjson(b,str);
return b.doneAndDecouple();
}