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/*
* Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_SCRIPT_REGEXP_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_SCRIPT_REGEXP_H_
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/bindings/trace_wrapper_v8_reference.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "v8/include/v8.h"
namespace blink {
enum class MultilineMode { kMultilineDisabled, kMultilineEnabled };
// Map to, respectively: neither u nor v flags, u flag, v flag.
enum class UnicodeMode { kBmpOnly, kUnicode, kUnicodeSets };
class PLATFORM_EXPORT ScriptRegexp final : public GarbageCollected<ScriptRegexp> {
public:
// For TextCaseSensitivity argument, TextCaseASCIIInsensitive just adds "i"
// flag, which is not ASCII case-insensitive match.
ScriptRegexp(v8::Isolate* isolate,
const String&,
TextCaseSensitivity,
MultilineMode = MultilineMode::kMultilineDisabled,
UnicodeMode = UnicodeMode::kBmpOnly);
ScriptRegexp(const ScriptRegexp&) = delete;
ScriptRegexp& operator=(const ScriptRegexp&) = delete;
// Attempt to match the given input string against the regexp. Returns the
// index of the match within the input string on success and -1 otherwise.
// If |match_length| is provided, then its populated with the length of the
// match on success. If |group_list| is provided its populated with the
// matched groups within the regexp. These are the values normally starting
// at index 1 within the array returned from Regexp.exec(). |group_list|
// must be empty if it is provided.
int Match(StringView,
int start_from = 0,
int* match_length = nullptr,
WTF::Vector<String>* group_list = nullptr) const;
bool IsValid() const { return !regex_.IsEmpty(); }
// exceptionMessage is available only if !isValid().
String ExceptionMessage() const { return exception_message_; }
void Trace(Visitor* visitor) const;
private:
Member<ScriptState> script_state_;
TraceWrapperV8Reference<v8::RegExp> regex_;
String exception_message_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_SCRIPT_REGEXP_H_
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