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/*
* Copyright 2018 Google
*
* 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.
*/
#ifndef FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_FIELD_PATH_H_
#define FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_FIELD_PATH_H_
#include <initializer_list>
#include <string>
#include <utility>
#include "Firestore/core/src/firebase/firestore/model/base_path.h"
#include "absl/strings/string_view.h"
namespace firebase {
namespace firestore {
namespace model {
/**
* A dot-separated path for navigating sub-objects within a document.
*
* Immutable; all instances are fully independent.
*/
class FieldPath : public impl::BasePath<FieldPath> {
public:
/** The field path string that represents the document's key. */
static constexpr const char* kDocumentKeyPath = "__name__";
// Note: Xcode 8.2 requires explicit specification of the constructor.
FieldPath() : impl::BasePath<FieldPath>() {
}
/** Constructs the path from segments. */
template <typename IterT>
FieldPath(const IterT begin, const IterT end) : BasePath{begin, end} {
}
FieldPath(std::initializer_list<std::string> list) : BasePath{list} {
}
explicit FieldPath(SegmentsT&& segments) : BasePath{std::move(segments)} {
}
/**
* Creates and returns a new path from the server formatted field-path string,
* where path segments are separated by a dot "." and optionally encoded using
* backticks.
*/
static FieldPath FromServerFormat(absl::string_view path);
/** Returns a field path that represents an empty path. */
static const FieldPath& EmptyPath();
/** Returns a field path that represents a document key. */
static const FieldPath& KeyFieldPath();
/** Returns a standardized string representation of this path. */
std::string CanonicalString() const;
/** True if this FieldPath represents a document key. */
bool IsKeyFieldPath() const;
bool operator==(const FieldPath& rhs) const {
return BasePath::operator==(rhs);
}
bool operator!=(const FieldPath& rhs) const {
return BasePath::operator!=(rhs);
}
bool operator<(const FieldPath& rhs) const {
return BasePath::operator<(rhs);
}
bool operator>(const FieldPath& rhs) const {
return BasePath::operator>(rhs);
}
bool operator<=(const FieldPath& rhs) const {
return BasePath::operator<=(rhs);
}
bool operator>=(const FieldPath& rhs) const {
return BasePath::operator>=(rhs);
}
};
} // namespace model
} // namespace firestore
} // namespace firebase
#endif // FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_FIELD_PATH_H_
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