1 files changed, 65 insertions, 0 deletions
diff --git a/icing/index/iterator/doc-hit-info-iterator-property-in-document.cc b/icing/index/iterator/doc-hit-info-iterator-property-in-document.cc
new file mode 100644
index 0000000..e6a1c67
--- /dev/null
+++ b/icing/index/iterator/doc-hit-info-iterator-property-in-document.cc
@@ -0,0 +1,65 @@
+// Copyright (C) 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "icing/index/iterator/doc-hit-info-iterator-property-in-document.h"
+
+#include <memory>
+#include <string>
+#include <string_view>
+#include <utility>
+
+#include "icing/text_classifier/lib3/utils/base/status.h"
+#include "icing/text_classifier/lib3/utils/base/statusor.h"
+#include "icing/absl_ports/canonical_errors.h"
+#include "icing/index/hit/doc-hit-info.h"
+#include "icing/index/iterator/doc-hit-info-iterator.h"
+#include "icing/store/document-id.h"
+
+namespace icing {
+namespace lib {
+
+DocHitInfoIteratorPropertyInDocument::DocHitInfoIteratorPropertyInDocument(
+    std::unique_ptr<DocHitInfoIterator> meta_hit_iterator)
+    : meta_hit_iterator_(std::move(meta_hit_iterator)) {}
+
+libtextclassifier3::Status DocHitInfoIteratorPropertyInDocument::Advance() {
+  while (meta_hit_iterator_->Advance().ok()) {
+    // Currently, the metadata hits added by PropertyExistenceIndexingHandler
+    // can only have a section id of 0, so the section mask has to be 1 << 0.
+    if (meta_hit_iterator_->doc_hit_info().hit_section_ids_mask() == (1 << 0)) {
+      doc_hit_info_ = meta_hit_iterator_->doc_hit_info();
+      // Hits returned by "hasProperty" should not be associated with any
+      // section.
+      doc_hit_info_.set_hit_section_ids_mask(/*section_id_mask=*/0);
+      return libtextclassifier3::Status::OK;
+    }
+  }
+
+  doc_hit_info_ = DocHitInfo(kInvalidDocumentId);
+  return absl_ports::ResourceExhaustedError("No more DocHitInfos in iterator");
+}
+
+libtextclassifier3::StatusOr<DocHitInfoIterator::TrimmedNode>
+DocHitInfoIteratorPropertyInDocument::TrimRightMostNode() && {
+  // Don't generate suggestion if the last operator is this custom function.
+  return absl_ports::InvalidArgumentError(
+      "Cannot generate suggestion if the last term is hasProperty().");
+}
+
+std::string DocHitInfoIteratorPropertyInDocument::ToString() const {
+  return meta_hit_iterator_->ToString();
+}
+
+}  // namespace lib
+}  // namespace icing