// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+
+#include <simgear/compiler.h>
+
#include "HLADataType.hxx"
#include "HLADataElement.hxx"
{
}
+class HLADataType::_DataElementIndexVisitor : public HLADataTypeVisitor {
+public:
+ _DataElementIndexVisitor(HLADataElementIndex& index, const std::string& path, std::string::size_type offset) :
+ _index(index),
+ _path(path),
+ _offset(offset),
+ _success(false)
+ { }
+ virtual ~_DataElementIndexVisitor()
+ { }
+
+ virtual void apply(const HLADataType& dataType)
+ {
+ if (_path.size() == _offset)
+ _success = true;
+ }
+ virtual void apply(const HLAArrayDataType& dataType)
+ {
+ if (_path.size() == _offset) {
+ _success = true;
+ return;
+ }
+ if (_path.size() < _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected array subscript at the end of the path!");
+ return;
+ }
+ if (_path[_offset] != '[') {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected array subscript at the end of the path!");
+ return;
+ }
+ ++_offset;
+ if (_path.size() <= _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected closing array subscript at the end of the path!");
+ return;
+ }
+ unsigned index = 0;
+ bool closed = false;
+ while (_offset <= _path.size()) {
+ if (_path[_offset] == ']') {
+ ++_offset;
+ closed = true;
+ break;
+ }
+ unsigned v = _path[_offset] - '0';
+ // Error, no number
+ if (10 <= v) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Array subscript is not a number!");
+ return;
+ }
+ index *= 10;
+ index += v;
+ ++_offset;
+ }
+ if (!closed) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected closing array subscript at the end of the path!");
+ return;
+ }
+ if (!dataType.getElementDataType()) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Undefined array element data type!");
+ return;
+ }
+ _index.push_back(index);
+ _success = dataType.getElementDataType()->getDataElementIndex(_index, _path, _offset);
+ }
+
+ virtual void apply(const HLAFixedRecordDataType& dataType)
+ {
+ if (_path.size() == _offset) {
+ _success = true;
+ return;
+ }
+ if (_path.size() < _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected field name at the end of the path!");
+ return;
+ }
+ if (_path[_offset] == '.')
+ ++_offset;
+ if (_path.size() <= _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected field name at the end of the path!");
+ return;
+ }
+ std::string::size_type len = std::min(_path.find_first_of("[.", _offset), _path.size()) - _offset;
+ unsigned index = 0;
+ while (index < dataType.getNumFields()) {
+ if (_path.compare(_offset, len, dataType.getFieldName(index)) == 0)
+ break;
+ ++index;
+ }
+ if (dataType.getNumFields() <= index) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Field \"" << _path.substr(_offset, len) << "\" not found in fixed record data type \""
+ << dataType.getName() << "\"!");
+ return;
+ }
+ if (!dataType.getFieldDataType(index)) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Undefined field data type in variant record data type \""
+ << dataType.getName() << "\" at field \"" << dataType.getFieldName(index) << "\"!");
+ return;
+ }
+ _index.push_back(index);
+ _success = dataType.getFieldDataType(index)->getDataElementIndex(_index, _path, _offset + len);
+ }
+
+ virtual void apply(const HLAVariantRecordDataType& dataType)
+ {
+ if (_path.size() == _offset) {
+ _success = true;
+ return;
+ }
+ if (_path.size() < _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected alternative name at the end of the path!");
+ return;
+ }
+ if (_path[_offset] == '.')
+ ++_offset;
+ if (_path.size() <= _offset) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Expected alternative name at the end of the path!");
+ return;
+ }
+ std::string::size_type len = std::min(_path.find_first_of("[.", _offset), _path.size()) - _offset;
+ unsigned index = 0;
+ while (index < dataType.getNumAlternatives()) {
+ if (_path.compare(_offset, len, dataType.getAlternativeName(index)) == 0)
+ break;
+ ++index;
+ }
+ if (dataType.getNumAlternatives() <= index) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Alternative \"" << _path.substr(_offset, len) << "\" not found in variant record data type \""
+ << dataType.getName() << "\"!");
+ return;
+ }
+ if (!dataType.getAlternativeDataType(index)) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "HLADataType: faild to parse data element index \"" << _path << "\":\n"
+ << "Undefined alternative data type in variant record data type \""
+ << dataType.getName() << "\" at alternative \"" << dataType.getAlternativeName(index) << "\"!");
+ return;
+ }
+ _index.push_back(index);
+ _success = dataType.getAlternativeDataType(index)->getDataElementIndex(_index, _path, _offset + len);
+ }
+
+ HLADataElementIndex& _index;
+ const std::string& _path;
+ std::string::size_type _offset;
+ bool _success;
+};
+
+bool
+HLADataType::getDataElementIndex(HLADataElementIndex& index, const std::string& path, std::string::size_type offset) const
+{
+ _DataElementIndexVisitor visitor(index, path, offset);
+ accept(visitor);
+ return visitor._success;
+}
+
void
HLADataType::setAlignment(unsigned alignment)
{
projects / simgear.git / blobdiff