java类com.google.protobuf.DescriptorProtos.FieldDescriptorProto的实例源码

@VisitsBefore
void visit(Method method) {
  // Resolve input and output type of this method.
  TypeRef inputType = resolveType(method.getLocation(),
      FieldDescriptorProto.Type.TYPE_MESSAGE, method.getDescriptor().getInputTypeName());
  if (inputType != null) {
    method.setInputType(inputType);
  }
  TypeRef outputType = resolveType(method.getLocation(),
      FieldDescriptorProto.Type.TYPE_MESSAGE, method.getDescriptor().getOutputTypeName());
  if (outputType != null) {
    method.setOutputType(outputType);
  }
  findOptionTypes(method.getOptionFields());
}

private Extension(FieldDescriptorProto proto, DescriptorProtos.SourceCodeInfo.Location location,
    String path, Location fileLocation) {
  this.proto = proto;
  this.location = location;
  this.path = path;
  this.fileLocation = fileLocation;
}

/**
 * TODO (guptasu): only needed to create hard coded Types (Struct, ListValue, and Value). Check
 * if this can be removed. Create the Protobuf.Type instance from descriptorProto.
 */
private static Type createType(String typeName, DescriptorProto descriptorProto,
    String fileName) {
  Type.Builder coreTypeBuilder = Type.newBuilder().setName(typeName);

  int count = 1;
  for (FieldDescriptorProto fieldProto : descriptorProto.getFieldList()) {
    Field.Kind fieldKind = Field.Kind.valueOf(fieldProto.getType().getNumber());
    Cardinality cardinality = Cardinality.CARDINALITY_OPTIONAL;
    if (fieldProto.getLabel() == Label.LABEL_REPEATED) {
      cardinality = Cardinality.CARDINALITY_REPEATED;
    }
    Field.Builder coreFieldBuilder = Field
        .newBuilder()
        .setName(fieldProto.getName())
        .setNumber(count++)
        .setKind(fieldKind)
        .setCardinality(cardinality);
    if (fieldKind == Kind.TYPE_MESSAGE || fieldKind == Kind.TYPE_ENUM) {
      String typeFullName =
          fieldProto.getTypeName().startsWith(".") ? fieldProto.getTypeName().substring(1)
              : fieldProto.getTypeName();
      coreFieldBuilder.setTypeUrl(TYPE_SERVICE_BASE_URL + typeFullName);
    }
    coreTypeBuilder.addFields(coreFieldBuilder.build());
  }
  coreTypeBuilder.setSourceContext(SourceContext.newBuilder().setFileName(fileName));
  coreTypeBuilder.setSyntax(Syntax.SYNTAX_PROTO3);
  return coreTypeBuilder.build();
}

protected void addFieldToMessageAncestor(
    int generationsToSkip,
    FieldDescriptorProto.Builder fieldDesc,
    SourceCodeInfo.Location location) {
  BuilderVisitorNodeInfo ancestorInfo = getAncestorInfo(generationsToSkip);
  if (ancestorInfo instanceof MessageNodeInfo) {
    ((MessageNodeInfo) ancestorInfo).addNewField(fieldDesc, location);
    setModified(true);
  } else {
    throw new RuntimeException(
        String.format(
            "Tried to add a field to a %s, but can only add to %s",
            ancestorInfo.node().getClass(), DescriptorProto.Builder.class));
  }
}

protected void findGroups(List<FieldDescriptorProto> fieldDescriptors,
                          Map<String,DescriptorProto> groups) {
    for (FieldDescriptorProto fieldDescriptor : fieldDescriptors) {
        if (fieldDescriptor.getType() == Type.TYPE_GROUP) {
            groups.put(fieldDescriptor.getTypeName(), null);
        }
    }
}

protected void decompileFields(List<FieldDescriptorProto> fieldDescriptors,
                               Map<String,DescriptorProto> groups)
        throws IOException {
    for (FieldDescriptorProto fieldDescriptor : fieldDescriptors) {
        String label = LABELS.get(fieldDescriptor.getLabel());
        String type = TYPES.get(fieldDescriptor.getType());
        String name = fieldDescriptor.getName();
        if (fieldDescriptor.hasTypeName()) {
            type = fieldDescriptor.getTypeName();
            if ((absolutePackage != null) && type.startsWith(absolutePackage)) {
                type = type.substring(absolutePackage.length());
            }
        }
        DescriptorProto groupDescriptor = null;
        if (fieldDescriptor.getType() == Type.TYPE_GROUP) {
            groupDescriptor = groups.get(type);
            if (groupDescriptor != null) {
                name = type;
                type = "group";
            }
        }
        indentedFormat("%s %s %s = %d",
                       label, type, name, fieldDescriptor.getNumber());
        if (fieldDescriptor.hasOptions() || fieldDescriptor.hasDefaultValue()) {
            write(defaultAndOptions(fieldDescriptor.hasOptions() ? fieldDescriptor.getOptions() : null,
                                    fieldDescriptor.hasDefaultValue() ? fieldDescriptor.getDefaultValue() : null));
        }
        if (groupDescriptor == null) {
            write(";");
        }
        else {
            decompileMessageBody(groupDescriptor);
        }
    }
}

protected void addColumn(Column column) {
    String fieldName = uniqueIdent(ident(column.getName(), false), fieldNames);
    fieldBuilder = messageBuilder.addFieldBuilder();
    fieldBuilder.setName(fieldName);
    fieldBuilder.setLabel(Label.LABEL_OPTIONAL);
    FieldOptions.Builder fieldBuilderOptions = FieldOptions.newBuilder();
    ColumnOptions.Builder columnOptions = ColumnOptions.newBuilder();
    if (!fieldName.equals(column.getName())) {
        columnOptions.setName(column.getName());
    }
    columnOptions.setSqlType(column.getTypeDescription().toUpperCase());
    columnOptions.setUuid(column.getUuid().toString());
    priorField = null;
    if (priorMessage != null) {
        for (FieldDescriptorProto field : priorMessage.getFieldList()) {
            FieldOptions options = field.getOptions();
            if ((options != null) &&
                (options.hasExtension(ColumnOptions.fdbsql))) {
                ColumnOptions coptions = options.getExtension(ColumnOptions.fdbsql);
                if (coptions.getUuid().equals(columnOptions.getUuid())) {
                    priorField = field;
                    break;
                }
            }
        }
    }
    setColumnType(column, columnOptions);
    setFieldNumber();
    fieldBuilderOptions.setExtension(ColumnOptions.fdbsql, columnOptions.build());
    fieldBuilder.setOptions(fieldBuilderOptions);
    if (column.getNullable() && 
        ((column.getDefaultValue() != null) ||
         (column.getDefaultFunction() != null))) {
        addNullForField(column.getName(), fieldBuilder.getNumber());
    }
}

protected void addNullForField(String columnName, int forField) {
    String fieldName = uniqueIdent("_" + ident(columnName, false) + "_is_null", fieldNames);
    fieldBuilder = messageBuilder.addFieldBuilder();
    fieldBuilder.setName(fieldName);
    fieldBuilder.setType(Type.TYPE_BOOL);
    fieldBuilder.setLabel(Label.LABEL_OPTIONAL);
    FieldOptions.Builder fieldBuilderOptions = FieldOptions.newBuilder();
    ColumnOptions.Builder columnOptions = ColumnOptions.newBuilder();
    columnOptions.setNullForField(forField);
    priorField = null;
    if (priorMessage != null) {
        for (FieldDescriptorProto field : priorMessage.getFieldList()) {
            FieldOptions options = field.getOptions();
            if ((options != null) &&
                (options.hasExtension(ColumnOptions.fdbsql))) {
                ColumnOptions coptions = options.getExtension(ColumnOptions.fdbsql);
                if (coptions.hasNullForField() &&
                    (coptions.getNullForField() == forField)) {
                    priorField = field;
                    break;
                }
            }
        }
    }
    setFieldNumber();
    fieldBuilderOptions.setExtension(ColumnOptions.fdbsql, columnOptions.build());
    fieldBuilder.setOptions(fieldBuilderOptions);
}

protected void addChildTable(Table table) {
    String fieldName = uniqueIdent(ident(table.getName().getTableName(), false), fieldNames);
    fieldBuilder = messageBuilder.addFieldBuilder();
    fieldBuilder.setName(fieldName);
    fieldBuilder.setLabel(Label.LABEL_REPEATED);
    fieldBuilder.setType(Type.TYPE_MESSAGE);
    fieldBuilder.setTypeName(tableMessageNames.get(table));
    FieldOptions.Builder fieldBuilderOptions = FieldOptions.newBuilder();
    ColumnOptions.Builder columnOptions = ColumnOptions.newBuilder();
    columnOptions.setUuid(table.getUuid().toString());
    priorField = null;
    if (priorMessage != null) {
        for (FieldDescriptorProto field : priorMessage.getFieldList()) {
            FieldOptions options = field.getOptions();
            if ((options != null) &&
                (options.hasExtension(ColumnOptions.fdbsql))) {
                ColumnOptions coptions = options.getExtension(ColumnOptions.fdbsql);
                if (coptions.getUuid().equals(columnOptions.getUuid())) {
                    priorField = field;
                    break;
                }
            }
        }
    }
    setFieldNumber();
    fieldBuilderOptions.setExtension(ColumnOptions.fdbsql, columnOptions.build());
    fieldBuilder.setOptions(fieldBuilderOptions);
}