ICURegex.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Containers/Set.h"
#include "Containers/UnrealString.h"
#include "Templates/SharedPointer.h"
 
#if UE_ENABLE_ICU
THIRD_PARTY_INCLUDES_START
    #include <unicode/regex.h>
THIRD_PARTY_INCLUDES_END
 
class FICURegexManager
{
public:
    static void Create();
    static void Destroy();
    static bool IsInitialized();
    static FICURegexManager& Get();
 
    TWeakPtr<const icu::RegexPattern> CreateRegexPattern(const FString& InSourceString, uint32_t InICURegexFlags);
    void DestroyRegexPattern(TWeakPtr<const icu::RegexPattern>& InICURegexPattern);
 
    TWeakPtr<icu::RegexMatcher> CreateRegexMatcher(const icu::RegexPattern* InPattern, const icu::UnicodeString* InInputString);
    void DestroyRegexMatcher(TWeakPtr<icu::RegexMatcher>& InICURegexMatcher);
 
private:
    static FICURegexManager* Singleton;
 
    FCriticalSection AllocatedRegexPatternsCS;
    TSet<TSharedPtr<const icu::RegexPattern>> AllocatedRegexPatterns;
 
    FCriticalSection AllocatedRegexMatchersCS;
    TSet<TSharedPtr<icu::RegexMatcher>> AllocatedRegexMatchers;
};
 
#endif