components/shared_highlighting/ios/parsing_utils.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SHARED_HIGHLIGHTING_IOS_PARSING_UTILS_H_
#define COMPONENTS_SHARED_HIGHLIGHTING_IOS_PARSING_UTILS_H_

#import <string>

#import <CoreGraphics/CoreGraphics.h>

#import "third_party/abseil-cpp/absl/types/optional.h"
#import "url/gurl.h"

namespace base {
class Value;
}  // namespace base

namespace web {
class WebState;
}  // namespace web

namespace shared_highlighting {

// Returns whether |value| is a dictionary value, and is not empty.
BOOL IsValidDictValue(const base::Value* value);

// Attempts to parse the given |value| into a CGRect. If |value| does not map
// into the expected structure, an empty absl::optional instance will be
// returned.
absl::optional<CGRect> ParseRect(const base::Value* value);

// Attempts to parse the given |url_value| into a GURL instance. If |url_value|
// is empty or invalid, an empty absl::optional instance will be returned.
absl::optional<GURL> ParseURL(const std::string* url_value);

// Converts a given |web_view_rect| into its browser coordinates counterpart.
// Uses the given |web_state| to do the conversion.
CGRect ConvertToBrowserRect(CGRect web_view_rect, web::WebState* web_state);

}  // namespace shared_highlighting

#endif  // COMPONENTS_SHARED_HIGHLIGHTING_IOS_PARSING_UTILS_H_