error configuration_parser::parse_json_object(
json_t* _obj,
configuration_parser::object_t& _obj_out ) {
const char* key = 0;
json_t* val = 0;
json_object_foreach( _obj, key, val ) {
int type = json_typeof( val );
if ( JSON_INTEGER == type ) {
_obj_out.set< int >( key, json_integer_value( val ) );
}
else if ( JSON_STRING == type ) {
_obj_out.set< std::string >( key, json_string_value( val ) );
}
else if ( JSON_REAL == type ) {
_obj_out.set< double >( key, json_real_value( val ) );
}
else if ( JSON_TRUE == type ||
JSON_FALSE == type ) {
_obj_out.set< bool >( key, json_boolean( val ) );
}
else if ( JSON_NULL == type ) {
_obj_out.set< std::string >( key, "NULL" );
}
else if ( JSON_ARRAY == type ) {
array_t arr;
size_t idx = 0;
json_t* obj = 0;
json_array_foreach( val, idx, obj ) {
object_t lt;
irods::error err = parse_json_object(
obj,
lt );
if ( err.ok() ) {
arr.push_back( lt );
}
else {
irods::log( PASS( err ) );
}
} // array foreach
error configuration_parser::load_json_object(
const std::string& _file ) {
json_error_t error;
json_t *json = json_load_file( _file.c_str(), 0, &error );
if ( !json ) {
std::string msg( "failed to load file [" );
msg += _file;
msg += "] json error [";
msg += error.text;
msg += "]";
return ERROR( -1, msg );
}
irods::error ret = parse_json_object( json, root_ );
json_decref( json );
return ret;
} // load_json_object
bool JSON::parse_json_value() {
int c;
c = skip_to_token();
if (c == -1) {
return false;
}
// Must start with object or array
if (level == 0) {
switch (c) {
case '{':
if (parse_json_object() == false) {
return false;
}
c = skip_to_token();
if (c > 0) {
mark_pos();
error(SYNTAX_ERROR, "Only one top level object/array is allowed.");
return false;
} else if (c < 0) {
return false;
}
return true;
case '[':
if (parse_json_array() == false) {
return false;
}
c = skip_to_token();
if (c > 0) {
mark_pos();
error(SYNTAX_ERROR, "Only one top level object/array is allowed.");
return false;
} else if (c < 0) {
return false;
}
return true;
case 0:
error(SYNTAX_ERROR, "EOS was encountered before any json declarations");
return false;
default:
error(SYNTAX_ERROR, "Json must start with an object or an array.");
return false;
}
} else { // level > 0
switch (c) {
case '{':
return parse_json_object();
case '[':
return parse_json_array();
case '"':
return parse_json_string();
case '-': case '0':
case '1': case '2': case '3':
case '4': case '5': case '6':
case '7': case '8': case '9':
return parse_json_number();
case 't':
return parse_json_symbol("true", JSON_TRUE);
case 'f':
return parse_json_symbol("false", JSON_FALSE);
case 'n':
return parse_json_symbol("null", JSON_NULL);
case 0:
error(SYNTAX_ERROR, "EOS was encountered when expecting a json value.");
return false;
default:
error(SYNTAX_ERROR, "Could not parse as a json value (did you forget to quote your strings?).");
return false;
}
}
}
