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UHT optimizations part 1 - basic cleanup, minimal measurable gains

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#jira
#rnx


#ROBOMERGE-SOURCE: CL 10872174 via CL 10872175 via CL 10872176
#ROBOMERGE-BOT: (v620-10870533)

[CL 10872177 by marc audy in Main branch]
This commit is contained in:
marc audy
2019-12-30 15:05:12 -05:00
parent 73f00df820
commit f71a47c374
7 changed files with 52 additions and 48 deletions
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30
Engine/Source/Programs/UnrealHeaderTool/Private/StringUtils.cpp
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@@ -5,38 +5,42 @@
#include "Containers/UnrealString.h"
#include "Hash/CityHash.h"
FString GetClassNameWithPrefixRemoved(const FString InClassName)
FString GetClassNameWithPrefixRemoved(const FString& InClassName)
{
FString Result;
const FString ClassPrefix = GetClassPrefix( InClassName );
if( !ClassPrefix.IsEmpty() )
{
return InClassName.Right(InClassName.Len() - ClassPrefix.Len());
Result = InClassName.Right(InClassName.Len() - ClassPrefix.Len());
}
return FString();
return Result;
}
FString GetClassNameWithoutPrefix( const FString& InClassNameOrFilename )
FString GetClassNameWithoutPrefix(FString InClassNameOrFilename)
{
FString ClassNameWithoutPrefix = MoveTemp(InClassNameOrFilename);
// Check for header names (they don't come with a full path so we only search for the first dot)
const int32 DotIndex = InClassNameOrFilename.Find(TEXT("."), ESearchCase::CaseSensitive);
if (DotIndex == INDEX_NONE)
int32 DotIndex;
if (ClassNameWithoutPrefix.FindChar(TEXT('.'), DotIndex))
{
const FString ClassPrefix = GetClassPrefix( InClassNameOrFilename );
return InClassNameOrFilename.Right(InClassNameOrFilename.Len() - ClassPrefix.Len());
ClassNameWithoutPrefix.MidInline(0, DotIndex, false);
}
else
{
return InClassNameOrFilename.Mid(0, DotIndex);
const FString ClassPrefix = GetClassPrefix(ClassNameWithoutPrefix);
ClassNameWithoutPrefix.RightInline(ClassNameWithoutPrefix.Len() - ClassPrefix.Len(), false);
}
return ClassNameWithoutPrefix;
}
FString GetClassPrefix( const FString InClassName )
FString GetClassPrefix( const FString& InClassName )
{
bool bIsLabledDeprecated;
return GetClassPrefix(InClassName, /*out*/ bIsLabledDeprecated);
}
FString GetClassPrefix( const FString InClassName, bool& bIsLabeledDeprecated )
FString GetClassPrefix(const FString& InClassName, bool& bIsLabeledDeprecated )
{
FString ClassPrefix = InClassName.Left(1);
@@ -51,7 +55,7 @@ FString GetClassPrefix( const FString InClassName, bool& bIsLabeledDeprecated )
case TEXT('A'):
case TEXT('U'):
// If it is a class prefix, check for deprecated class prefix also
if (InClassName.Mid(1, 11).Compare(TEXT("DEPRECATED_"), ESearchCase::CaseSensitive) == 0)
if (InClassName.Len() > 12 && FCString::Strncmp(&(InClassName[1]), TEXT("DEPRECATED_"), 11) == 0)
{
bIsLabeledDeprecated = true;
ClassPrefix = InClassName.Left(12);
@@ -65,7 +69,7 @@ FString GetClassPrefix( const FString InClassName, bool& bIsLabeledDeprecated )
default:
// If it's not a class or struct prefix, it's invalid
ClassPrefix.Empty();
ClassPrefix.Reset();
break;
}
}