68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
// Portage UE 5.5 - voir LPStringCompat.h
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#include "LPStringCompat.h"
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TArray<FString> ULPStringCompat::ParseIntoArray(const FString& SourceString, const FString& Delimiter, const bool CullEmptyStrings)
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{
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// Transcription de FString::ParseIntoArray, UE4 (String.cpp, lignes 940-963).
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TArray<FString> OutArray;
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const TCHAR* Start = *SourceString;
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const int32 DelimLength = Delimiter.Len();
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if (Start && *Start != TEXT('\0') && DelimLength)
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{
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while (const TCHAR* At = FCString::Strstr(Start, *Delimiter))
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{
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if (!CullEmptyStrings || At - Start)
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{
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OutArray.Emplace(UE_PTRDIFF_TO_INT32(At - Start), Start);
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}
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Start = At + DelimLength;
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}
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if (!CullEmptyStrings || *Start)
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{
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OutArray.Emplace(Start);
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}
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}
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return OutArray;
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}
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int32 ULPStringCompat::FindUE4(const FString& Str, const FString& SubStr, ESearchCase::Type SearchCase, ESearchDir::Type SearchDir, int32 StartPosition)
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{
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// UE4 : FCString::Stristr(Start, TEXT("")) ne trouve jamais rien (il cherche nul final).
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if (SubStr.IsEmpty() && SearchCase == ESearchCase::IgnoreCase && SearchDir == ESearchDir::FromStart)
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{
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return INDEX_NONE;
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}
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return Str.Find(SubStr, SearchCase, SearchDir, StartPosition);
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}
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int32 ULPStringCompat::FindSubstring(const FString& SearchIn, const FString& Substring, bool bUseCase, bool bSearchFromEnd, int32 StartPosition)
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{
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// Meme corps que UKismetStringLibrary::FindSubstring, avec FindUE4.
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const ESearchCase::Type Case = bUseCase ? ESearchCase::CaseSensitive : ESearchCase::IgnoreCase;
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const ESearchDir::Type Dir = bSearchFromEnd ? ESearchDir::FromEnd : ESearchDir::FromStart;
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return FindUE4(SearchIn, Substring, Case, Dir, StartPosition);
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}
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bool ULPStringCompat::Contains(const FString& SearchIn, const FString& Substring, bool bUseCase, bool bSearchFromEnd)
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{
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return FindSubstring(SearchIn, Substring, bUseCase, bSearchFromEnd) != -1;
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}
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bool ULPStringCompat::Split(const FString& SourceString, const FString& InStr, FString& LeftS, FString& RightS, ESearchCase::Type SearchCase, ESearchDir::Type SearchDir)
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{
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// Meme corps que FString::Split (UE4 et 5.5), avec FindUE4.
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const int32 InPos = FindUE4(SourceString, InStr, SearchCase, SearchDir);
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if (InPos < 0)
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{
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return false;
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}
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LeftS = SourceString.Left(InPos);
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RightS = SourceString.Mid(InPos + InStr.Len());
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return true;
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}
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FString ULPStringCompat::GetStringAtOrEmpty(const TArray<FString>& Array, int32 Index)
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{
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return Array.IsValidIndex(Index) ? Array[Index] : FString();
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}
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