EM_Task/UnrealEd/Private/Commandlets/GatherTextFromSourceCommandlet.cpp
Boshuang Zhao 5144a49c9b add
2026-02-13 16:18:33 +08:00

1944 lines
84 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Commandlets/GatherTextFromSourceCommandlet.h"
#include "HAL/FileManager.h"
#include "Misc/FileHelper.h"
#include "Misc/Paths.h"
#include "Misc/ExpressionParserTypes.h"
#include "Algo/Transform.h"
#include "Internationalization/InternationalizationMetadata.h"
#include "Internationalization/TextNamespaceUtil.h"
DEFINE_LOG_CATEGORY_STATIC(LogGatherTextFromSourceCommandlet, Log, All);
//////////////////////////////////////////////////////////////////////////
// GatherTextFromSourceCommandlet
#define LOC_DEFINE_REGION
UGatherTextFromSourceCommandlet::UGatherTextFromSourceCommandlet(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::DefineString(TEXT("#define "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::UndefString(TEXT("#undef "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::IfString(TEXT("#if "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::IfDefString(TEXT("#ifdef "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::ElIfString(TEXT("#elif "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::ElseString(TEXT("#else"));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::EndIfString(TEXT("#endif"));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::DefinedString(TEXT("defined "));
const FString UGatherTextFromSourceCommandlet::FPreProcessorDescriptor::IniNamespaceString(TEXT("["));
const FString UGatherTextFromSourceCommandlet::FMacroDescriptor::TextMacroString(TEXT("TEXT"));
const FString UGatherTextFromSourceCommandlet::ChangelistName(TEXT("Update Localization"));
int32 UGatherTextFromSourceCommandlet::Main(const FString& Params)
{
// Parse command line - we're interested in the param vals
TArray<FString> Tokens;
TArray<FString> Switches;
TMap<FString, FString> ParamVals;
UCommandlet::ParseCommandLine(*Params, Tokens, Switches, ParamVals);
// Set config file
const FString* ParamVal = ParamVals.Find(FString(TEXT("Config")));
FString GatherTextConfigPath;
if (ParamVal)
{
GatherTextConfigPath = *ParamVal;
}
else
{
UE_LOG(LogGatherTextFromSourceCommandlet, Error, TEXT("No config specified."));
return -1;
}
// Set config section
ParamVal = ParamVals.Find(FString(TEXT("Section")));
FString SectionName;
if (ParamVal)
{
SectionName = *ParamVal;
}
else
{
UE_LOG(LogGatherTextFromSourceCommandlet, Error, TEXT("No config section specified."));
return -1;
}
// SearchDirectoryPaths
TArray<FString> SearchDirectoryPaths;
GetPathArrayFromConfig(*SectionName, TEXT("SearchDirectoryPaths"), SearchDirectoryPaths, GatherTextConfigPath);
// IncludePaths (DEPRECATED)
{
TArray<FString> IncludePaths;
GetPathArrayFromConfig(*SectionName, TEXT("IncludePaths"), IncludePaths, GatherTextConfigPath);
if (IncludePaths.Num())
{
SearchDirectoryPaths.Append(IncludePaths);
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("IncludePaths detected in section %s. IncludePaths is deprecated, please use SearchDirectoryPaths."), *SectionName);
}
}
if (SearchDirectoryPaths.Num() == 0)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("No search directory paths in section %s."), *SectionName);
return 0;
}
// ExcludePathFilters
TArray<FString> ExcludePathFilters;
GetPathArrayFromConfig(*SectionName, TEXT("ExcludePathFilters"), ExcludePathFilters, GatherTextConfigPath);
// ExcludePaths (DEPRECATED)
{
TArray<FString> ExcludePaths;
GetPathArrayFromConfig(*SectionName, TEXT("ExcludePaths"), ExcludePaths, GatherTextConfigPath);
if (ExcludePaths.Num())
{
ExcludePathFilters.Append(ExcludePaths);
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("ExcludePaths detected in section %s. ExcludePaths is deprecated, please use ExcludePathFilters."), *SectionName);
}
}
// FileNameFilters
TArray<FString> FileNameFilters;
GetStringArrayFromConfig(*SectionName, TEXT("FileNameFilters"), FileNameFilters, GatherTextConfigPath);
// SourceFileSearchFilters (DEPRECATED)
{
TArray<FString> SourceFileSearchFilters;
GetStringArrayFromConfig(*SectionName, TEXT("SourceFileSearchFilters"), SourceFileSearchFilters, GatherTextConfigPath);
if (SourceFileSearchFilters.Num())
{
FileNameFilters.Append(SourceFileSearchFilters);
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("SourceFileSearchFilters detected in section %s. SourceFileSearchFilters is deprecated, please use FileNameFilters."), *SectionName);
}
}
if (FileNameFilters.Num() == 0)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("No source filters in section %s"), *SectionName);
return 0;
}
// Ensure all filters are unique.
TArray<FString> UniqueSourceFileSearchFilters;
for (const FString& SourceFileSearchFilter: FileNameFilters)
{
UniqueSourceFileSearchFilters.AddUnique(SourceFileSearchFilter);
}
// Build the final set of include/exclude paths to scan.
TArray<FString> IncludePathFilters;
Algo::Transform(SearchDirectoryPaths, IncludePathFilters, [](const FString& SearchDirectoryPath)
{
return SearchDirectoryPath / TEXT("*");
});
FGatherTextDelegates::GetAdditionalGatherPaths.Broadcast(GatherManifestHelper->GetTargetName(), IncludePathFilters, ExcludePathFilters);
// Search in the root folder for each of the wildcard filters specified and build a list of files
TArray<FString> FilesToProcess;
{
TArray<FString> RootSourceFiles;
for (const FString& IncludePathFilter: IncludePathFilters)
{
FString SearchDirectoryPath = IncludePathFilter;
if (SearchDirectoryPath.EndsWith(TEXT("*"), ESearchCase::CaseSensitive))
{
// Trim the wildcard from this search path
SearchDirectoryPath = FPaths::GetPath(MoveTemp(SearchDirectoryPath));
}
for (const FString& UniqueSourceFileSearchFilter: UniqueSourceFileSearchFilters)
{
IFileManager::Get().FindFilesRecursive(RootSourceFiles, *SearchDirectoryPath, *UniqueSourceFileSearchFilter, true, false, false);
for (FString& RootSourceFile: RootSourceFiles)
{
if (FPaths::IsRelative(RootSourceFile))
{
RootSourceFile = FPaths::ConvertRelativePathToFull(MoveTemp(RootSourceFile));
}
}
FilesToProcess.Append(MoveTemp(RootSourceFiles));
RootSourceFiles.Reset();
}
}
}
const FFuzzyPathMatcher FuzzyPathMatcher = FFuzzyPathMatcher(IncludePathFilters, ExcludePathFilters);
FilesToProcess.RemoveAll([&FuzzyPathMatcher](const FString& FoundFile)
{
// Filter out assets whose package file paths do not pass the "fuzzy path" filters.
if (FuzzyPathMatcher.TestPath(FoundFile) != FFuzzyPathMatcher::Included)
{
return true;
}
return false;
});
// Return if no source files were found
if (FilesToProcess.Num() == 0)
{
FString SpecifiedDirectoriesString;
for (const FString& IncludePath: IncludePathFilters)
{
SpecifiedDirectoriesString.Append(FString(SpecifiedDirectoriesString.IsEmpty() ? TEXT("") : TEXT("\n")) + FString::Printf(TEXT("+ %s"), *IncludePath));
}
for (const FString& ExcludePath: ExcludePathFilters)
{
SpecifiedDirectoriesString.Append(FString(SpecifiedDirectoriesString.IsEmpty() ? TEXT("") : TEXT("\n")) + FString::Printf(TEXT("- %s"), *ExcludePath));
}
FString SourceFileSearchFiltersString;
for (const FString& Filter: UniqueSourceFileSearchFilters)
{
SourceFileSearchFiltersString += FString(SourceFileSearchFiltersString.IsEmpty() ? TEXT("") : TEXT(", ")) + Filter;
}
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("The GatherTextFromSource commandlet couldn't find any source files matching (%s) in the specified directories:\n%s"), *SourceFileSearchFiltersString, *SpecifiedDirectoriesString);
return 0;
}
// Add any manifest dependencies if they were provided
TArray<FString> ManifestDependenciesList;
GetPathArrayFromConfig(*SectionName, TEXT("ManifestDependencies"), ManifestDependenciesList, GatherTextConfigPath);
for (const FString& ManifestDependency: ManifestDependenciesList)
{
FText OutError;
if (!GatherManifestHelper->AddDependency(ManifestDependency, &OutError))
{
UE_LOG(LogGatherTextFromSourceCommandlet, Error, TEXT("The GatherTextFromSource commandlet couldn't load the specified manifest dependency: '%'. %s"), *ManifestDependency, *OutError.ToString());
return -1;
}
}
// Get the loc macros and their syntax
TArray<FParsableDescriptor*> Parsables;
Parsables.Add(new FDefineDescriptor());
Parsables.Add(new FUndefDescriptor());
Parsables.Add(new FIfDescriptor());
Parsables.Add(new FIfDefDescriptor());
Parsables.Add(new FElIfDescriptor());
Parsables.Add(new FElseDescriptor());
Parsables.Add(new FEndIfDescriptor());
Parsables.Add(new FUICommandMacroDescriptor());
Parsables.Add(new FUICommandExtMacroDescriptor());
// New Localization System with Namespace as literal argument.
Parsables.Add(new FStringMacroDescriptor(FString(TEXT("NSLOCTEXT")),
FStringMacroDescriptor::FMacroArg(FStringMacroDescriptor::MAS_Namespace, true),
FStringMacroDescriptor::FMacroArg(FStringMacroDescriptor::MAS_Identifier, true),
FStringMacroDescriptor::FMacroArg(FStringMacroDescriptor::MAS_SourceText, true)));
// New Localization System with Namespace as preprocessor define.
Parsables.Add(new FStringMacroDescriptor(FString(TEXT("LOCTEXT")),
FStringMacroDescriptor::FMacroArg(FStringMacroDescriptor::MAS_Identifier, true),
FStringMacroDescriptor::FMacroArg(FStringMacroDescriptor::MAS_SourceText, true)));
Parsables.Add(new FStringTableMacroDescriptor());
Parsables.Add(new FStringTableFromFileMacroDescriptor(TEXT("LOCTABLE_FROMFILE_ENGINE"), FPaths::EngineContentDir()));
Parsables.Add(new FStringTableFromFileMacroDescriptor(TEXT("LOCTABLE_FROMFILE_GAME"), FPaths::ProjectContentDir()));
Parsables.Add(new FStringTableEntryMacroDescriptor());
Parsables.Add(new FStringTableEntryMetaDataMacroDescriptor());
Parsables.Add(new FIniNamespaceDescriptor());
// Init a parse context to track the state of the file parsing
FSourceFileParseContext ParseCtxt(this);
// Get whether we should gather editor-only data. Typically only useful for the localization of UE4 itself.
if (!GetBoolFromConfig(*SectionName, TEXT("ShouldGatherFromEditorOnlyData"), ParseCtxt.ShouldGatherFromEditorOnlyData, GatherTextConfigPath))
{
ParseCtxt.ShouldGatherFromEditorOnlyData = false;
}
// Parse all source files for macros and add entries to SourceParsedEntries
for (FString& SourceFile: FilesToProcess)
{
FString ProjectBasePath;
if (!FPaths::ProjectDir().IsEmpty())
{
ProjectBasePath = FPaths::ProjectDir();
}
else
{
ProjectBasePath = FPaths::EngineDir();
}
ParseCtxt.Filename = SourceFile;
ParseCtxt.FileTypes = ParseCtxt.Filename.EndsWith(TEXT(".ini")) ? EGatherTextSourceFileTypes::Ini : EGatherTextSourceFileTypes::Cpp;
FPaths::MakePathRelativeTo(ParseCtxt.Filename, *ProjectBasePath);
ParseCtxt.LineNumber = 0;
ParseCtxt.FilePlatformName = GetSplitPlatformNameFromPath(ParseCtxt.Filename);
ParseCtxt.LineText.Reset();
ParseCtxt.Namespace.Reset();
ParseCtxt.RawStringLiteralClosingDelim.Reset();
ParseCtxt.ExcludedRegion = false;
ParseCtxt.WithinBlockComment = false;
ParseCtxt.WithinLineComment = false;
ParseCtxt.WithinStringLiteral = false;
ParseCtxt.WithinNamespaceDefineLineNumber = INDEX_NONE;
ParseCtxt.WithinStartingLine = nullptr;
ParseCtxt.FlushMacroStack();
FString SourceFileText;
if (!FFileHelper::LoadFileToString(SourceFileText, *SourceFile))
{
UE_LOG(LogGatherTextFromSourceCommandlet, Error, TEXT("GatherTextSource failed to open file %s"), *ParseCtxt.Filename);
}
else
{
if (!ParseSourceText(SourceFileText, Parsables, ParseCtxt))
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("GatherTextSource error(s) parsing source file %s"), *ParseCtxt.Filename);
}
else
{
if (ParseCtxt.WithinNamespaceDefineLineNumber != INDEX_NONE)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Missing '#undef LOCTEXT_NAMESPACE' for '#define LOCTEXT_NAMESPACE' at %s:%d"), *ParseCtxt.Filename, ParseCtxt.WithinNamespaceDefineLineNumber);
}
}
}
}
// Process any parsed string tables
for (const auto& ParsedStringTablePair: ParseCtxt.ParsedStringTables)
{
if (ParsedStringTablePair.Value.SourceLocation.Line == INDEX_NONE)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("String table with ID '%s' had %s entries parsed for it, but the table was never registered. Skipping for gather."), *ParsedStringTablePair.Key.ToString(), ParsedStringTablePair.Value.TableEntries.Num());
}
else
{
for (const auto& ParsedStringTableEntryPair: ParsedStringTablePair.Value.TableEntries)
{
if (!ParsedStringTableEntryPair.Value.bIsEditorOnly || ParseCtxt.ShouldGatherFromEditorOnlyData)
{
FManifestContext SourceContext;
SourceContext.Key = ParsedStringTableEntryPair.Key;
SourceContext.SourceLocation = ParsedStringTableEntryPair.Value.SourceLocation.ToString();
SourceContext.PlatformName = ParsedStringTableEntryPair.Value.PlatformName;
const FParsedStringTableEntryMetaDataMap* ParsedMetaDataMap = ParsedStringTablePair.Value.MetaDataEntries.Find(ParsedStringTableEntryPair.Key);
if (ParsedMetaDataMap && ParsedMetaDataMap->Num() > 0)
{
SourceContext.InfoMetadataObj = MakeShareable(new FLocMetadataObject());
for (const auto& ParsedMetaDataPair: *ParsedMetaDataMap)
{
if (!ParsedMetaDataPair.Value.bIsEditorOnly || ParseCtxt.ShouldGatherFromEditorOnlyData)
{
SourceContext.InfoMetadataObj->SetStringField(ParsedMetaDataPair.Key.ToString(), ParsedMetaDataPair.Value.MetaData);
}
}
}
GatherManifestHelper->AddSourceText(ParsedStringTablePair.Value.TableNamespace, FLocItem(ParsedStringTableEntryPair.Value.SourceString), SourceContext);
}
}
}
}
// Clear parsables list safely
for (int32 i = 0; i < Parsables.Num(); i++)
{
delete Parsables[i];
}
return 0;
}
FString UGatherTextFromSourceCommandlet::UnescapeLiteralCharacterEscapeSequences(const FString& InString)
{
// We need to un-escape any octal, hex, or universal character sequences that exist in this string to mimic what happens when the string is processed by the compiler
enum class EParseState : uint8
{
Idle, // Not currently parsing a sequence
InOct, // Within an octal sequence (\012)
InHex, // Within an hexadecimal sequence (\xBEEF)
InUTF16, // Within a UTF-16 sequence (\u1234)
InUTF32, // Within a UTF-32 sequence (\U12345678)
};
FString RetString;
RetString.Reserve(InString.Len());
EParseState ParseState = EParseState::Idle;
FString EscapedLiteralCharacter;
for (const TCHAR* CharPtr = *InString; *CharPtr; ++CharPtr)
{
const TCHAR CurChar = *CharPtr;
switch (ParseState)
{
case EParseState::Idle: {
const TCHAR NextChar = *(CharPtr + 1);
if (CurChar == TEXT('\\') && NextChar)
{
if (FChar::IsOctDigit(NextChar))
{
ParseState = EParseState::InOct;
}
else if (NextChar == TEXT('x'))
{
// Skip the format marker
++CharPtr;
ParseState = EParseState::InHex;
}
else if (NextChar == TEXT('u'))
{
// Skip the format marker
++CharPtr;
ParseState = EParseState::InUTF16;
}
else if (NextChar == TEXT('U'))
{
// Skip the format marker
++CharPtr;
ParseState = EParseState::InUTF32;
}
}
if (ParseState == EParseState::Idle)
{
RetString.AppendChar(CurChar);
}
else
{
EscapedLiteralCharacter.Reset();
}
}
break;
case EParseState::InOct: {
if (FChar::IsOctDigit(CurChar))
{
EscapedLiteralCharacter.AppendChar(CurChar);
// Octal sequences can only be up-to 3 digits long
check(EscapedLiteralCharacter.Len() <= 3);
if (EscapedLiteralCharacter.Len() == 3)
{
RetString.AppendChar((TCHAR)FCString::Strtoi(*EscapedLiteralCharacter, nullptr, 8));
ParseState = EParseState::Idle;
// Deliberately not appending the current character here, as it was already pushed into the escaped literal character string
}
}
else
{
RetString.AppendChar((TCHAR)FCString::Strtoi(*EscapedLiteralCharacter, nullptr, 8));
ParseState = EParseState::Idle;
RetString.AppendChar(CurChar);
}
}
break;
case EParseState::InHex: {
if (FChar::IsHexDigit(CurChar))
{
EscapedLiteralCharacter.AppendChar(CurChar);
}
else
{
RetString.AppendChar((TCHAR)FCString::Strtoi(*EscapedLiteralCharacter, nullptr, 16));
ParseState = EParseState::Idle;
RetString.AppendChar(CurChar);
}
}
break;
case EParseState::InUTF16: {
if (FChar::IsHexDigit(CurChar))
{
EscapedLiteralCharacter.AppendChar(CurChar);
// UTF-16 sequences can only be up-to 4 digits long
check(EscapedLiteralCharacter.Len() <= 4);
if (EscapedLiteralCharacter.Len() == 4)
{
const uint32 UnicodeCodepoint = (uint32)FCString::Strtoi(*EscapedLiteralCharacter, nullptr, 16);
FString UnicodeString;
if (FUnicodeChar::CodepointToString(UnicodeCodepoint, UnicodeString))
{
RetString.Append(MoveTemp(UnicodeString));
}
ParseState = EParseState::Idle;
// Deliberately not appending the current character here, as it was already pushed into the escaped literal character string
}
}
else
{
const uint32 UnicodeCodepoint = (uint32)FCString::Strtoi(*EscapedLiteralCharacter, nullptr, 16);
FString UnicodeString;
if (FUnicodeChar::CodepointToString(UnicodeCodepoint, UnicodeString))
{
RetString.Append(MoveTemp(UnicodeString));
}
ParseState = EParseState::Idle;
RetString.AppendChar(CurChar);
}
}
break;
case EParseState::InUTF32: {
if (FChar::IsHexDigit(CurChar))
{
EscapedLiteralCharacter.AppendChar(CurChar);
// UTF-32 sequences can only be up-to 8 digits long
check(EscapedLiteralCharacter.Len() <= 8);
if (EscapedLiteralCharacter.Len() == 8)
{
const uint32 UnicodeCodepoint = (uint32)FCString::Strtoui64(*EscapedLiteralCharacter, nullptr, 16);
FString UnicodeString;
if (FUnicodeChar::CodepointToString(UnicodeCodepoint, UnicodeString))
{
RetString.Append(MoveTemp(UnicodeString));
}
ParseState = EParseState::Idle;
// Deliberately not appending the current character here, as it was already pushed into the escaped literal character string
}
}
else
{
const uint32 UnicodeCodepoint = (uint32)FCString::Strtoui64(*EscapedLiteralCharacter, nullptr, 16);
FString UnicodeString;
if (FUnicodeChar::CodepointToString(UnicodeCodepoint, UnicodeString))
{
RetString.Append(MoveTemp(UnicodeString));
}
ParseState = EParseState::Idle;
RetString.AppendChar(CurChar);
}
}
break;
default:
break;
}
}
return RetString.ReplaceEscapedCharWithChar();
}
FString UGatherTextFromSourceCommandlet::RemoveStringFromTextMacro(const FString& TextMacro, const FString& IdentForLogging, bool& Error)
{
FString Text;
Error = true;
// need to strip text literal out of TextMacro ( format should be TEXT("stringvalue") )
if (!TextMacro.StartsWith(FMacroDescriptor::TextMacroString))
{
Error = false;
Text = TextMacro.TrimQuotes();
}
else
{
int32 OpenQuoteIdx = TextMacro.Find(TEXT("\""), ESearchCase::CaseSensitive);
if (0 > OpenQuoteIdx || TextMacro.Len() - 1 == OpenQuoteIdx)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Missing quotes in %s"), *FLocTextHelper::SanitizeLogOutput(IdentForLogging));
}
else
{
int32 CloseQuoteIdx = TextMacro.Find(TEXT("\""), ESearchCase::CaseSensitive, ESearchDir::FromStart, OpenQuoteIdx + 1);
if (0 > CloseQuoteIdx)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Missing quotes in %s"), *FLocTextHelper::SanitizeLogOutput(IdentForLogging));
}
else
{
Text = TextMacro.Mid(OpenQuoteIdx + 1, CloseQuoteIdx - OpenQuoteIdx - 1);
Error = false;
}
}
}
if (!Error)
{
Text = UnescapeLiteralCharacterEscapeSequences(Text);
}
return Text;
}
FString UGatherTextFromSourceCommandlet::StripCommentsFromToken(const FString& InToken, FSourceFileParseContext& Context)
{
check(!Context.WithinBlockComment);
check(!Context.WithinLineComment);
check(!Context.WithinStringLiteral);
// Remove both block and inline comments from the given token
FString StrippedToken;
StrippedToken.Reserve(InToken.Len());
TCHAR WithinQuote = 0;
bool bIgnoreNextQuote = false;
for (const TCHAR* Char = *InToken; *Char; ++Char)
{
if (WithinQuote != 0)
{
StrippedToken += *Char;
if (!bIgnoreNextQuote)
{
if (*Char == TEXT('\\'))
{
bIgnoreNextQuote = true;
continue;
}
if (*Char == WithinQuote)
{
// Found an unescaped closing quote - we are no longer within quotes
WithinQuote = 0;
}
}
bIgnoreNextQuote = false;
}
else
{
if (*Char == TEXT('/'))
{
const TCHAR* NextChar = Char + 1;
if (*NextChar == TEXT('/'))
{
// Found an inline quote - this strips the remainder of the string so just break out of the loop
break;
}
if (*NextChar == TEXT('*'))
{
// Found a block comment - skip all characters until we find the closing quote
Context.WithinBlockComment = true;
++Char; // Skip over the opening slash, and the for loop will skip over the *
continue;
}
}
if (Context.WithinBlockComment)
{
if (*Char == TEXT('*'))
{
const TCHAR* NextChar = Char + 1;
if (*NextChar == TEXT('/'))
{
// Found the end of a block comment
Context.WithinBlockComment = false;
++Char; // Skip over the opening *, and the for loop will skip over the slash
continue;
}
}
// Skip over all characters while within a block comment
continue;
}
StrippedToken += *Char;
if (*Char == TEXT('"') || *Char == TEXT('\''))
{
// We found an opening quote - keep track of it until we find a matching closing quote
WithinQuote = *Char;
}
}
}
return StrippedToken.TrimStartAndEnd();
}
bool UGatherTextFromSourceCommandlet::ParseSourceText(const FString& Text, const TArray<FParsableDescriptor*>& Parsables, FSourceFileParseContext& ParseCtxt)
{
// Cache array of parsables and tokens valid for this filetype
TArray<FParsableDescriptor*> ParsablesForFile;
TArray<FString> ParsableTokensForFile;
for (FParsableDescriptor* Parsable: Parsables)
{
if (Parsable->MatchesFileTypes(ParseCtxt.FileTypes))
{
ParsablesForFile.Add(Parsable);
ParsableTokensForFile.Add(Parsable->GetToken());
}
}
check(ParsablesForFile.Num() == ParsableTokensForFile.Num());
// Anything to parse for this filetype?
if (ParsablesForFile.Num() == 0)
{
return true;
}
// Create array of ints, one for each parsable we're looking for.
TArray<int32> ParsableMatchCountersForFile;
ParsableMatchCountersForFile.AddZeroed(ParsablesForFile.Num());
// Use the file extension to work out what comments look like for this file
// We default to C++-style comments
const TCHAR* LineComment = TEXT("//");
const TCHAR* BlockCommentStart = TEXT("/*");
const TCHAR* BlockCommentEnd = TEXT("*/");
if (EnumHasAnyFlags(ParseCtxt.FileTypes, EGatherTextSourceFileTypes::Ini))
{
LineComment = TEXT(";");
BlockCommentStart = nullptr;
BlockCommentEnd = nullptr;
}
const int32 LineCommentLen = LineComment ? FCString::Strlen(LineComment) : 0;
const int32 BlockCommentStartLen = BlockCommentStart ? FCString::Strlen(BlockCommentStart) : 0;
const int32 BlockCommentEndLen = BlockCommentEnd ? FCString::Strlen(BlockCommentEnd) : 0;
checkf((BlockCommentStartLen == 0 && BlockCommentEndLen == 0) || (BlockCommentStartLen > 0 && BlockCommentEndLen > 0), TEXT("Block comments require both a start and an end marker!"));
// Split the file into lines
TArray<FString> TextLines;
Text.ParseIntoArrayLines(TextLines, false);
// Move through the text lines looking for the tokens that denote the items in the Parsables list
for (int32 LineIdx = 0; LineIdx < TextLines.Num(); LineIdx++)
{
TextLines[LineIdx].TrimEndInline();
const FString& Line = TextLines[LineIdx];
if (Line.IsEmpty())
continue;
// Use these pending vars to defer parsing a token hit until longer tokens can't hit too
int32 PendingParseIdx = INDEX_NONE;
const TCHAR* ParsePoint = NULL;
for (int32& Element: ParsableMatchCountersForFile)
{
Element = 0;
}
ParseCtxt.LineNumber = LineIdx + 1;
ParseCtxt.LineText = Line;
ParseCtxt.WithinLineComment = false;
ParseCtxt.EndParsingCurrentLine = false;
const TCHAR* Cursor = *Line;
while (*Cursor && !ParseCtxt.EndParsingCurrentLine)
{
// Check if we're starting comments or string literals
if (!ParseCtxt.WithinLineComment && !ParseCtxt.WithinBlockComment && !ParseCtxt.WithinStringLiteral)
{
if (LineCommentLen > 0 && FCString::Strncmp(Cursor, LineComment, LineCommentLen) == 0)
{
ParseCtxt.WithinLineComment = true;
ParseCtxt.WithinStartingLine = *Line;
ParseCtxt.EndParsingCurrentLine = true;
Cursor += LineCommentLen;
continue;
}
else if (BlockCommentStartLen > 0 && FCString::Strncmp(Cursor, BlockCommentStart, BlockCommentStartLen) == 0)
{
ParseCtxt.WithinBlockComment = true;
ParseCtxt.WithinStartingLine = *Line;
Cursor += BlockCommentStartLen;
continue;
}
}
if (!ParseCtxt.WithinLineComment && !ParseCtxt.WithinBlockComment && !ParseCtxt.WithinStringLiteral)
{
if (*Cursor == TEXT('\"'))
{
if (Cursor == *Line)
{
ParseCtxt.WithinStringLiteral = true;
ParseCtxt.WithinStartingLine = *Line;
++Cursor;
continue;
}
else if (Cursor > *Line)
{
const TCHAR* const ReverseCursor = Cursor - 1;
if (EnumHasAnyFlags(ParseCtxt.FileTypes, EGatherTextSourceFileTypes::Cpp) && *ReverseCursor == TEXT('R'))
{
// Potentially a C++11 raw string literal, so walk forwards and validate that this looks legit
// While doing this we can parse out its optional user defined delimiter so we can find when the string closes
// eg) For 'R"Delim(string)Delim"', ')Delim' would be the closing delimiter.
// eg) For 'R"(string)"', ')' would be the closing delimiter.
ParseCtxt.RawStringLiteralClosingDelim = TEXT(")");
{
bool bIsValid = true;
const TCHAR* ForwardCursor = Cursor + 1;
for (;;)
{
const TCHAR DelimChar = *ForwardCursor++;
if (DelimChar == TEXT('('))
{
break;
}
if (DelimChar == 0 || !FChar::IsAlnum(DelimChar))
{
bIsValid = false;
break;
}
ParseCtxt.RawStringLiteralClosingDelim += DelimChar;
}
if (bIsValid)
{
ParseCtxt.WithinStringLiteral = true;
ParseCtxt.WithinStartingLine = *Line;
Cursor = ForwardCursor;
continue;
}
else
{
ParseCtxt.RawStringLiteralClosingDelim.Reset();
// Fall through to the quoted string parsing below
}
}
}
if (*ReverseCursor != TEXT('\\') && *ReverseCursor != TEXT('\''))
{
ParseCtxt.WithinStringLiteral = true;
ParseCtxt.WithinStartingLine = *Line;
++Cursor;
continue;
}
else
{
bool IsEscaped = false;
{
// if the backslash or single quote is itself escaped then the quote is good
const TCHAR* EscapeCursor = ReverseCursor;
while (EscapeCursor > *Line && *(--EscapeCursor) == TEXT('\\'))
{
IsEscaped = !IsEscaped;
}
}
if (IsEscaped)
{
ParseCtxt.WithinStringLiteral = true;
ParseCtxt.WithinStartingLine = *Line;
++Cursor;
continue;
}
else
{
// check for '"'
const TCHAR* const ForwardCursor = Cursor + 1;
if (*ReverseCursor == TEXT('\'') && *ForwardCursor != TEXT('\''))
{
ParseCtxt.WithinStringLiteral = true;
ParseCtxt.WithinStartingLine = *Line;
++Cursor;
continue;
}
}
}
}
}
}
else if (ParseCtxt.WithinStringLiteral)
{
if (*Cursor == TEXT('\"'))
{
if (Cursor == *Line && ParseCtxt.RawStringLiteralClosingDelim.IsEmpty())
{
ParseCtxt.WithinStringLiteral = false;
++Cursor;
continue;
}
else if (Cursor > *Line)
{
// Is this ending a C++11 raw string literal?
if (!ParseCtxt.RawStringLiteralClosingDelim.IsEmpty())
{
const TCHAR* EndDelimCursor = Cursor - ParseCtxt.RawStringLiteralClosingDelim.Len();
if (EndDelimCursor >= *Line && FCString::Strncmp(EndDelimCursor, *ParseCtxt.RawStringLiteralClosingDelim, ParseCtxt.RawStringLiteralClosingDelim.Len()) == 0)
{
ParseCtxt.RawStringLiteralClosingDelim.Reset();
ParseCtxt.WithinStringLiteral = false;
}
++Cursor;
continue;
}
const TCHAR* const ReverseCursor = Cursor - 1;
if (*ReverseCursor != TEXT('\\') && *ReverseCursor != TEXT('\''))
{
ParseCtxt.WithinStringLiteral = false;
++Cursor;
continue;
}
else
{
bool IsEscaped = false;
{
// if the backslash or single quote is itself escaped then the quote is good
const TCHAR* EscapeCursor = ReverseCursor;
while (EscapeCursor > *Line && *(--EscapeCursor) == TEXT('\\'))
{
IsEscaped = !IsEscaped;
}
}
if (IsEscaped)
{
ParseCtxt.WithinStringLiteral = false;
++Cursor;
continue;
}
else
{
// check for '"'
const TCHAR* const ForwardCursor = Cursor + 1;
if (*ReverseCursor == TEXT('\'') && *ForwardCursor != TEXT('\''))
{
ParseCtxt.WithinStringLiteral = false;
++Cursor;
continue;
}
}
}
}
}
}
// Check if we're ending comments
if (ParseCtxt.WithinBlockComment && BlockCommentEndLen > 0 && FCString::Strncmp(Cursor, BlockCommentEnd, BlockCommentEndLen) == 0)
{
ParseCtxt.WithinBlockComment = false;
Cursor += BlockCommentEndLen;
continue;
}
for (int32 ParIdx = 0; ParIdx < ParsablesForFile.Num(); ++ParIdx)
{
FParsableDescriptor* Parsable = ParsablesForFile[ParIdx];
const FString& Token = ParsableTokensForFile[ParIdx];
if (Token.Len() == ParsableMatchCountersForFile[ParIdx])
{
// already seen this entire token and are looking for longer matches - skip it
continue;
}
if (*Cursor == Token[ParsableMatchCountersForFile[ParIdx]])
{
// Char at cursor matches the next char in the parsable's identifying token
if (Token.Len() == ++(ParsableMatchCountersForFile[ParIdx]))
{
// don't immediately parse - this parsable has seen its entire token but a longer one could be about to hit too
const TCHAR* TokenStart = Cursor + 1 - Token.Len();
if (0 > PendingParseIdx || ParsePoint >= TokenStart)
{
PendingParseIdx = ParIdx;
ParsePoint = TokenStart;
}
}
}
else
{
// Char at cursor doesn't match the next char in the parsable's identifying token
// Reset the counter to start of the token
ParsableMatchCountersForFile[ParIdx] = 0;
}
}
// Now check PendingParse and only run it if there are no better candidates
if (PendingParseIdx != INDEX_NONE)
{
FParsableDescriptor* PendingParsable = ParsablesForFile[PendingParseIdx];
bool MustDefer = false; // pending will be deferred if another parsable has a equal and greater number of matched chars
if (!PendingParsable->OverridesLongerTokens())
{
for (int32 ParIdx = 0; ParIdx < ParsablesForFile.Num(); ++ParIdx)
{
if (PendingParseIdx != ParIdx && ParsableMatchCountersForFile[ParIdx] >= ParsableTokensForFile[PendingParseIdx].Len())
{
// a longer token is matching so defer
MustDefer = true;
}
}
}
if (!MustDefer)
{
// Do the parse now
// TODO: Would be nice if TryParse returned what it consumed, and operated on const TCHAR*
PendingParsable->TryParse(FString(ParsePoint), ParseCtxt);
for (int32& Element: ParsableMatchCountersForFile)
{
Element = 0;
}
PendingParseIdx = INDEX_NONE;
ParsePoint = NULL;
}
}
// Advance cursor
++Cursor;
}
// Handle a string literal that went beyond a single line
if (ParseCtxt.WithinStringLiteral)
{
if (EnumHasAnyFlags(ParseCtxt.FileTypes, EGatherTextSourceFileTypes::Ini))
{
// INI files don't support multi-line literals; always terminate them after ending a line
ParseCtxt.WithinStringLiteral = false;
}
else if (Cursor > *Line && ParseCtxt.RawStringLiteralClosingDelim.IsEmpty())
{
// C++ only allows multi-line literals if they're escaped with a trailing slash or within a C++11 raw string literal
ParseCtxt.WithinStringLiteral = *(Cursor - 1) == TEXT('\\');
}
UE_CLOG(!ParseCtxt.WithinStringLiteral, LogGatherTextFromSourceCommandlet, Warning, TEXT("A string literal was not correctly terminated. File %s at line %d, starting line: %s"), *ParseCtxt.Filename, ParseCtxt.LineNumber, ParseCtxt.WithinStartingLine);
}
}
// Handle a string C++11 raw string literal that was never closed as this is likely a false positive that needs to be fixed in the parser
if (ParseCtxt.WithinStringLiteral && !ParseCtxt.RawStringLiteralClosingDelim.IsEmpty())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("A C++11 raw string literal was not correctly terminated. File %s, starting line: %s"), *ParseCtxt.Filename, ParseCtxt.WithinStartingLine);
}
return true;
}
bool UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddManifestText(const FString& Token, const FString& InNamespace, const FString& SourceText, const FManifestContext& Context)
{
const bool bIsEditorOnly = EvaluateEditorOnlyDefineState() == EEditorOnlyDefineState::Defined;
if (!bIsEditorOnly || ShouldGatherFromEditorOnlyData)
{
const FString EntryDescription = FString::Printf(TEXT("%s macro"), *Token);
return OwnerCommandlet->GatherManifestHelper->AddSourceText(InNamespace, FLocItem(SourceText), Context, &EntryDescription);
}
return false;
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::PushMacroBlock(const FString& InBlockCtx)
{
MacroBlockStack.Push(InBlockCtx);
CachedEditorOnlyDefineState.Reset();
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::PopMacroBlock()
{
if (MacroBlockStack.Num() > 0)
{
MacroBlockStack.Pop(/*bAllowShrinking*/ false);
CachedEditorOnlyDefineState.Reset();
}
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::FlushMacroStack()
{
MacroBlockStack.Reset();
CachedEditorOnlyDefineState.Reset();
}
UGatherTextFromSourceCommandlet::EEditorOnlyDefineState UGatherTextFromSourceCommandlet::FSourceFileParseContext::EvaluateEditorOnlyDefineState() const
{
if (CachedEditorOnlyDefineState.IsSet())
{
return CachedEditorOnlyDefineState.GetValue();
}
static const FString WithEditorString = TEXT("WITH_EDITOR");
static const FString WithEditorOnlyDataString = TEXT("WITH_EDITORONLY_DATA");
CachedEditorOnlyDefineState = EEditorOnlyDefineState::Undefined;
for (const FString& BlockCtx: MacroBlockStack)
{
if (BlockCtx.Equals(WithEditorString, ESearchCase::CaseSensitive) || BlockCtx.Equals(WithEditorOnlyDataString, ESearchCase::CaseSensitive))
{
CachedEditorOnlyDefineState = EEditorOnlyDefineState::Defined;
break;
}
}
return CachedEditorOnlyDefineState.GetValue();
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::SetDefine(const FString& InDefineCtx)
{
static const FString LocDefRegionString = TEXT("LOC_DEFINE_REGION");
static const FString LocNamespaceString = TEXT("LOCTEXT_NAMESPACE");
if (InDefineCtx.Equals(LocDefRegionString, ESearchCase::CaseSensitive))
{
// #define LOC_DEFINE_REGION
if (ExcludedRegion)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Found a '#define LOC_DEFINE_REGION' within another '#define LOC_DEFINE_REGION' while parsing %s:%d"), *Filename, LineNumber);
}
else
{
ExcludedRegion = true;
}
return;
}
else if (!ExcludedRegion)
{
if (InDefineCtx.StartsWith(LocNamespaceString, ESearchCase::CaseSensitive) && InDefineCtx.IsValidIndex(LocNamespaceString.Len()) && (FText::IsWhitespace(InDefineCtx[LocNamespaceString.Len()]) || InDefineCtx[LocNamespaceString.Len()] == TEXT('"')))
{
// #define LOCTEXT_NAMESPACE <namespace>
if (WithinNamespaceDefineLineNumber != INDEX_NONE)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Found a '#define LOCTEXT_NAMESPACE' within another '#define LOCTEXT_NAMESPACE' while parsing %s:%d"), *Filename, LineNumber);
}
else
{
FString RemainingText = InDefineCtx.RightChop(LocNamespaceString.Len()).TrimStart();
bool RemoveStringError;
const FString DefineDesc = FString::Printf(TEXT("%s define at %s:%d"), *RemainingText, *Filename, LineNumber);
FString NewNamespace = RemoveStringFromTextMacro(RemainingText, DefineDesc, RemoveStringError);
if (!RemoveStringError)
{
Namespace = MoveTemp(NewNamespace);
WithinNamespaceDefineLineNumber = LineNumber;
}
}
return;
}
}
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::RemoveDefine(const FString& InDefineCtx)
{
static const FString LocDefRegionString = TEXT("LOC_DEFINE_REGION");
static const FString LocNamespaceString = TEXT("LOCTEXT_NAMESPACE");
if (InDefineCtx.Equals(LocDefRegionString, ESearchCase::CaseSensitive))
{
// #undef LOC_DEFINE_REGION
if (!ExcludedRegion)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Found an '#undef LOC_DEFINE_REGION' without a corresponding '#define LOC_DEFINE_REGION' while parsing %s:%d"), *Filename, LineNumber);
}
else
{
ExcludedRegion = false;
}
return;
}
else if (!ExcludedRegion)
{
if (InDefineCtx.Equals(LocNamespaceString, ESearchCase::CaseSensitive))
{
// #undef LOCTEXT_NAMESPACE
if (WithinNamespaceDefineLineNumber == INDEX_NONE)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Found an '#undef LOCTEXT_NAMESPACE' without a corresponding '#define LOCTEXT_NAMESPACE' while parsing %s:%d"), *Filename, LineNumber);
}
else
{
Namespace.Empty();
WithinNamespaceDefineLineNumber = INDEX_NONE;
}
return;
}
}
}
bool UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableImpl(const FName InTableId, const FString& InTableNamespace)
{
// String table entries may be parsed before the string table itself (due to code ordering), so only warn about duplication here if we've already got a source location for the string table (as adding entries doesn't set that)
FParsedStringTable& ParsedStringTable = ParsedStringTables.FindOrAdd(InTableId);
if (ParsedStringTable.SourceLocation.Line != INDEX_NONE)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("String table with ID \"%s\" at \"%s\" was already parsed at \"%s\". Ignoring additional definition."), *InTableId.ToString(), *FSourceLocation(Filename, LineNumber).ToString(), *ParsedStringTable.SourceLocation.ToString());
return false;
}
ParsedStringTable.TableNamespace = InTableNamespace;
ParsedStringTable.SourceLocation = FSourceLocation(Filename, LineNumber);
return true;
}
bool UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableEntryImpl(const FName InTableId, const FString& InKey, const FString& InSourceString, const FSourceLocation& InSourceLocation, const FName InPlatformName)
{
const bool bIsEditorOnly = EvaluateEditorOnlyDefineState() == EEditorOnlyDefineState::Defined;
// String table entries may be parsed before the string table itself (due to code ordering), so we may need to add our string table below
FParsedStringTable& ParsedStringTable = ParsedStringTables.FindOrAdd(InTableId);
FParsedStringTableEntry* ExistingEntry = ParsedStringTable.TableEntries.Find(InKey);
if (ExistingEntry)
{
if (ExistingEntry->SourceString.Equals(InSourceString, ESearchCase::CaseSensitive))
{
ExistingEntry->bIsEditorOnly &= bIsEditorOnly;
return true;
}
else
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("String table entry with ID \"%s\" and key \"%s\" at \"%s\" was already parsed at \"%s\". Ignoring additional definition."), *InTableId.ToString(), *InKey, *FSourceLocation(Filename, LineNumber).ToString(), *ExistingEntry->SourceLocation.ToString());
return false;
}
}
else
{
FParsedStringTableEntry& ParsedStringTableEntry = ParsedStringTable.TableEntries.Add(InKey);
ParsedStringTableEntry.SourceString = InSourceString;
ParsedStringTableEntry.SourceLocation = InSourceLocation;
ParsedStringTableEntry.PlatformName = InPlatformName;
ParsedStringTableEntry.bIsEditorOnly = bIsEditorOnly;
return true;
}
}
bool UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableEntryMetaDataImpl(const FName InTableId, const FString& InKey, const FName InMetaDataId, const FString& InMetaData, const FSourceLocation& InSourceLocation)
{
const bool bIsEditorOnly = EvaluateEditorOnlyDefineState() == EEditorOnlyDefineState::Defined;
// String table meta-data may be parsed before the string table itself (due to code ordering), so we may need to add our string table below
FParsedStringTable& ParsedStringTable = ParsedStringTables.FindOrAdd(InTableId);
FParsedStringTableEntryMetaDataMap& MetaDataMap = ParsedStringTable.MetaDataEntries.FindOrAdd(InKey);
FParsedStringTableEntryMetaData* ExistingMetaData = MetaDataMap.Find(InMetaDataId);
if (ExistingMetaData)
{
if (ExistingMetaData->MetaData.Equals(InMetaData, ESearchCase::CaseSensitive))
{
ExistingMetaData->bIsEditorOnly &= bIsEditorOnly;
return true;
}
else
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("String table entry meta-data with ID \"%s\" and key \"%s\" at \"%s\" was already parsed at \"%s\". Ignoring additional definition."), *InTableId.ToString(), *InKey, *FSourceLocation(Filename, LineNumber).ToString(), *ExistingMetaData->SourceLocation.ToString());
return false;
}
}
else
{
FParsedStringTableEntryMetaData& ParsedMetaData = MetaDataMap.Add(InMetaDataId);
ParsedMetaData.MetaData = InMetaData;
ParsedMetaData.SourceLocation = InSourceLocation;
ParsedMetaData.bIsEditorOnly = bIsEditorOnly;
return true;
}
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTable(const FName InTableId, const FString& InTableNamespace)
{
AddStringTableImpl(InTableId, InTableNamespace);
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableFromFile(const FName InTableId, const FString& InTableNamespace, const FString& InTableFilename, const FString& InRootPath)
{
if (AddStringTableImpl(InTableId, InTableNamespace))
{
const FString FullImportPath = InRootPath / InTableFilename;
FStringTableRef TmpStringTable = FStringTable::NewStringTable();
if (TmpStringTable->ImportStrings(FullImportPath))
{
const FSourceLocation SourceLocation = FSourceLocation(InTableFilename, INDEX_NONE);
const FName TablePlatformName = OwnerCommandlet->GetSplitPlatformNameFromPath(InTableFilename);
TmpStringTable->EnumerateSourceStrings([&](const FString& InKey, const FString& InSourceString)
{
AddStringTableEntryImpl(InTableId, InKey, InSourceString, SourceLocation, TablePlatformName);
TmpStringTable->EnumerateMetaData(InKey, [&](const FName InMetaDataId, const FString& InMetaData)
{
AddStringTableEntryMetaDataImpl(InTableId, InKey, InMetaDataId, InMetaData, SourceLocation);
return true; // continue enumeration
});
return true; // continue enumeration
});
}
else
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("String table with ID \"%s\" at \"%s\" failed to import strings from \"%s\"."), *InTableId.ToString(), *FSourceLocation(Filename, LineNumber).ToString(), *FullImportPath);
}
}
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableEntry(const FName InTableId, const FString& InKey, const FString& InSourceString)
{
AddStringTableEntryImpl(InTableId, InKey, InSourceString, FSourceLocation(Filename, LineNumber), FilePlatformName);
}
void UGatherTextFromSourceCommandlet::FSourceFileParseContext::AddStringTableEntryMetaData(const FName InTableId, const FString& InKey, const FName InMetaDataId, const FString& InMetaData)
{
AddStringTableEntryMetaDataImpl(InTableId, InKey, InMetaDataId, InMetaData, FSourceLocation(Filename, LineNumber));
}
void UGatherTextFromSourceCommandlet::FDefineDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #define <defname>
// or
// #define <defname> <value>
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
FString RemainingText = Text.RightChop(GetToken().Len()).TrimStart();
RemainingText = StripCommentsFromToken(RemainingText, Context);
Context.SetDefine(RemainingText);
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FUndefDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #undef <defname>
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
FString RemainingText = Text.RightChop(GetToken().Len()).TrimStart();
RemainingText = StripCommentsFromToken(RemainingText, Context);
Context.RemoveDefine(RemainingText);
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FIfDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #if <defname>
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
FString RemainingText = Text.RightChop(GetToken().Len()).TrimStart();
RemainingText = StripCommentsFromToken(RemainingText, Context);
// Handle "#if defined <defname>"
if (RemainingText.StartsWith(DefinedString, ESearchCase::CaseSensitive))
{
RemainingText.RightChopInline(DefinedString.Len(), false);
RemainingText.TrimStartInline();
}
Context.PushMacroBlock(RemainingText);
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FIfDefDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #ifdef <defname>
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
FString RemainingText = Text.RightChop(GetToken().Len()).TrimStart();
RemainingText = StripCommentsFromToken(RemainingText, Context);
Context.PushMacroBlock(RemainingText);
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FElIfDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #elif <defname>
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
FString RemainingText = Text.RightChop(GetToken().Len()).TrimStart();
RemainingText = StripCommentsFromToken(RemainingText, Context);
// Handle "#elif defined <defname>"
if (RemainingText.StartsWith(DefinedString, ESearchCase::CaseSensitive))
{
RemainingText.RightChopInline(DefinedString.Len(), false);
RemainingText.TrimStartInline();
}
Context.PopMacroBlock(); // Pop the current #if or #ifdef state
Context.PushMacroBlock(RemainingText);
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FElseDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #else
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
Context.PopMacroBlock(); // Pop the current #if or #ifdef state
Context.PushMacroBlock(FString());
Context.EndParsingCurrentLine = true;
}
}
void UGatherTextFromSourceCommandlet::FEndIfDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// #endif
if (!Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
Context.PopMacroBlock(); // Pop the current #if or #ifdef state
Context.EndParsingCurrentLine = true;
}
}
bool UGatherTextFromSourceCommandlet::FMacroDescriptor::ParseArgsFromMacro(const FString& Text, TArray<FString>& Args, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// NAME(param0, param1, param2, etc)
bool Success = false;
// Step over the token name and any whitespace after it
FString RemainingText = Text.RightChop(GetToken().Len());
RemainingText.TrimStartInline();
const int32 OpenBracketIdx = RemainingText.Find(TEXT("("), ESearchCase::CaseSensitive);
if (OpenBracketIdx == INDEX_NONE)
{
// No opening bracket; warn about this, but don't consider it an error as we're likely parsing something we shouldn't be
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Missing bracket '(' in %s macro at %s:%d. %s"), *GetToken(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
return false;
}
else if (OpenBracketIdx > 0)
{
// We stepped over the whitespace when building RemainingText, so if the bracket isn't the first character in the text then it means we only partially matched a longer token and shouldn't parse it
return false;
}
else
{
Args.Empty();
bool bInDblQuotes = false;
bool bInSglQuotes = false;
int32 BracketStack = 1;
bool bEscapeNextChar = false;
const TCHAR* ArgStart = *RemainingText + OpenBracketIdx + 1;
const TCHAR* Cursor = ArgStart;
for (; 0 < BracketStack && '\0' != *Cursor; ++Cursor)
{
if (bEscapeNextChar)
{
bEscapeNextChar = false;
}
else if ((bInDblQuotes || bInSglQuotes) && !bEscapeNextChar && '\\' == *Cursor)
{
bEscapeNextChar = true;
}
else if (bInDblQuotes)
{
if ('\"' == *Cursor)
{
bInDblQuotes = false;
}
}
else if (bInSglQuotes)
{
if ('\'' == *Cursor)
{
bInSglQuotes = false;
}
}
else if ('\"' == *Cursor)
{
bInDblQuotes = true;
}
else if ('\'' == *Cursor)
{
bInSglQuotes = true;
}
else if ('(' == *Cursor)
{
++BracketStack;
}
else if (')' == *Cursor)
{
--BracketStack;
if (0 > BracketStack)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Unexpected bracket ')' in %s macro while parsing %s:%d. %s"), *GetToken(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
return false;
}
}
else if (1 == BracketStack && ',' == *Cursor)
{
// create argument from ArgStart to Cursor and set Start next char
Args.Add(FString(Cursor - ArgStart, ArgStart));
ArgStart = Cursor + 1;
}
}
if (0 == BracketStack)
{
Args.Add(FString(Cursor - ArgStart - 1, ArgStart));
}
// else
//{
// Args.Add(FString(ArgStart));
// }
Success = 0 < Args.Num() ? true : false;
}
return Success;
}
bool UGatherTextFromSourceCommandlet::FMacroDescriptor::PrepareArgument(FString& Argument, bool IsAutoText, const FString& IdentForLogging, bool& OutHasQuotes)
{
bool Error = false;
if (!IsAutoText)
{
Argument = RemoveStringFromTextMacro(Argument, IdentForLogging, Error);
OutHasQuotes = Error ? false : true;
}
else
{
Argument = Argument.TrimEnd().TrimQuotes(&OutHasQuotes);
Argument = UnescapeLiteralCharacterEscapeSequences(Argument);
}
return Error ? false : true;
}
void UGatherTextFromSourceCommandlet::FUICommandMacroDescriptor::TryParseArgs(const FString& Text, FSourceFileParseContext& Context, const TArray<FString>& Arguments, const int32 ArgIndexOffset) const
{
FString Identifier = Arguments[ArgIndexOffset];
Identifier.TrimStartInline();
// Identifier may optionally be in quotes, as it's sometimes a string literal (in UE_COMMAND_EXT), and sometimes stringified by the macro (in UI_COMMAND)
// Because this is optional, we don't care if this processing fails
bool HasQuotes = false;
PrepareArgument(Identifier, true, FString(), HasQuotes);
FString SourceLocation = FSourceLocation(Context.Filename, Context.LineNumber).ToString();
if (Identifier.IsEmpty())
{
// The command doesn't have an identifier so we can't gather it
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s has an empty identifier and cannot be gathered."), *GetToken(), *SourceLocation);
return;
}
FString SourceText = Arguments[ArgIndexOffset + 1];
SourceText.TrimStartInline();
static const FString UICommandRootNamespace = TEXT("UICommands");
FString Namespace = Context.WithinNamespaceDefineLineNumber != INDEX_NONE && !Context.Namespace.IsEmpty() ? FString::Printf(TEXT("%s.%s"), *UICommandRootNamespace, *Context.Namespace) : UICommandRootNamespace;
// parse DefaultLangString argument - this arg will be in quotes without TEXT macro
FString MacroDesc = FString::Printf(TEXT("\"FriendlyName\" argument in %s macro at %s:%d."), *GetToken(), *Context.Filename, Context.LineNumber);
if (PrepareArgument(SourceText, true, MacroDesc, HasQuotes))
{
if (HasQuotes && !Identifier.IsEmpty() && !SourceText.IsEmpty())
{
// First create the command entry
FManifestContext CommandContext;
CommandContext.Key = Identifier;
CommandContext.SourceLocation = SourceLocation;
CommandContext.PlatformName = Context.FilePlatformName;
Context.AddManifestText(GetToken(), Namespace, SourceText, CommandContext);
// parse DefaultLangTooltipString argument - this arg will be in quotes without TEXT macro
FString TooltipSourceText = Arguments[ArgIndexOffset + 2];
TooltipSourceText.TrimStartInline();
MacroDesc = FString::Printf(TEXT("\"InDescription\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
if (PrepareArgument(TooltipSourceText, true, MacroDesc, HasQuotes))
{
if (HasQuotes && !TooltipSourceText.IsEmpty())
{
// Create the tooltip entry
FManifestContext CommandTooltipContext;
CommandTooltipContext.Key = Identifier + TEXT("_ToolTip");
CommandTooltipContext.SourceLocation = SourceLocation;
CommandTooltipContext.PlatformName = CommandContext.PlatformName;
Context.AddManifestText(GetToken(), Namespace, TooltipSourceText, CommandTooltipContext);
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FUICommandMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// UI_COMMAND(LocKey, DefaultLangString, DefaultLangTooltipString, ...)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
// Need at least 3 arguments
if (Arguments.Num() < 3)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected at least 3 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
TryParseArgs(Text, Context, Arguments, 0);
}
}
}
}
void UGatherTextFromSourceCommandlet::FUICommandExtMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// UI_COMMAND_EXT(<IgnoredParam>, <IgnoredParam>, LocKey, DefaultLangString, DefaultLangTooltipString, ...)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
// Need at least 5 arguments
if (Arguments.Num() < 5)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected at least 5 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
TryParseArgs(Text, Context, Arguments, 2);
}
}
}
}
void UGatherTextFromSourceCommandlet::FStringMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// MACRONAME(param0, param1, param2)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> ArgArray;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), ArgArray, Context))
{
int32 NumArgs = ArgArray.Num();
if (NumArgs != Arguments.Num())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected %d arguments for %s macro, but got %d while parsing %s:%d. %s"), Arguments.Num(), *GetToken(), NumArgs, *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
FString Identifier;
FString SourceLocation = FSourceLocation(Context.Filename, Context.LineNumber).ToString();
FString SourceText;
TOptional<FString> Namespace;
if (Context.WithinNamespaceDefineLineNumber != INDEX_NONE || !Context.Namespace.IsEmpty())
{
Namespace = Context.Namespace;
}
bool ArgParseError = false;
for (int32 ArgIdx = 0; ArgIdx < Arguments.Num(); ArgIdx++)
{
FMacroArg Arg = Arguments[ArgIdx];
ArgArray[ArgIdx].TrimStartInline();
FString ArgText = ArgArray[ArgIdx];
bool HasQuotes;
FString MacroDesc = FString::Printf(TEXT("argument %d of %d in %s macro at %s:%d"), ArgIdx + 1, Arguments.Num(), *GetToken(), *Context.Filename, Context.LineNumber);
if (!PrepareArgument(ArgText, Arg.IsAutoText, MacroDesc, HasQuotes))
{
ArgParseError = true;
break;
}
switch (Arg.Semantic)
{
case MAS_Namespace: {
Namespace = ArgText;
}
break;
case MAS_Identifier: {
Identifier = ArgText;
}
break;
case MAS_SourceText: {
SourceText = ArgText;
}
break;
}
}
if (Identifier.IsEmpty())
{
// The command doesn't have an identifier so we can't gather it
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s has an empty identifier and cannot be gathered."), *GetToken(), *SourceLocation);
return;
}
if (!ArgParseError && !Identifier.IsEmpty() && !SourceText.IsEmpty())
{
if (!Namespace.IsSet())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s doesn't define a namespace and no external namespace was set. An empty namspace will be used."), *GetToken(), *SourceLocation);
Namespace = FString();
}
FManifestContext MacroContext;
MacroContext.Key = Identifier;
MacroContext.SourceLocation = SourceLocation;
MacroContext.PlatformName = Context.FilePlatformName;
if (EnumHasAnyFlags(Context.FileTypes, EGatherTextSourceFileTypes::Ini))
{
// Gather the text without its package ID, as the INI will strip it on load at runtime
TextNamespaceUtil::StripPackageNamespaceInline(Namespace.GetValue());
}
Context.AddManifestText(GetToken(), Namespace.GetValue(), SourceText, MacroContext);
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FStringTableMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// LOCTABLE_NEW(Id, Namespace)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
if (Arguments.Num() != 2)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected 2 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
Arguments[0].TrimStartInline();
FString TableId = Arguments[0];
Arguments[1].TrimStartInline();
FString TableNamespace = Arguments[1];
const FString TableIdMacroDesc = FString::Printf(TEXT("\"Id\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString TableNamespaceMacroDesc = FString::Printf(TEXT("\"Namespace\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
bool HasQuotes;
if (PrepareArgument(TableId, true, TableIdMacroDesc, HasQuotes) && PrepareArgument(TableNamespace, true, TableNamespaceMacroDesc, HasQuotes))
{
const FName TableIdName = *TableId;
if (TableIdName.IsNone())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s:%d has an empty identifier and cannot be gathered."), *GetToken(), *Context.Filename, Context.LineNumber);
}
else
{
Context.AddStringTable(TableIdName, TableNamespace);
}
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FStringTableFromFileMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// LOCTABLE_FROMFILE_X(Id, Namespace, FilePath)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
if (Arguments.Num() != 3)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected 3 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
Arguments[0].TrimStartInline();
FString TableId = Arguments[0];
Arguments[1].TrimStartInline();
FString TableNamespace = Arguments[1];
Arguments[2].TrimStartInline();
FString TableFilename = Arguments[2];
const FString TableIdMacroDesc = FString::Printf(TEXT("\"Id\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString TableNamespaceMacroDesc = FString::Printf(TEXT("\"Namespace\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString TableFilenameMacroDesc = FString::Printf(TEXT("\"FilePath\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
bool HasQuotes;
if (PrepareArgument(TableId, true, TableIdMacroDesc, HasQuotes) && PrepareArgument(TableNamespace, true, TableNamespaceMacroDesc, HasQuotes) && PrepareArgument(TableFilename, true, TableFilenameMacroDesc, HasQuotes))
{
const FName TableIdName = *TableId;
if (TableIdName.IsNone())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s:%d has an empty identifier and cannot be gathered."), *GetToken(), *Context.Filename, Context.LineNumber);
}
else
{
Context.AddStringTableFromFile(TableIdName, TableNamespace, TableFilename, RootPath);
}
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FStringTableEntryMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// LOCTABLE_SETSTRING(Id, Key, SourceString)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
if (Arguments.Num() != 3)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected 3 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
Arguments[0].TrimStartInline();
FString TableId = Arguments[0];
Arguments[1].TrimStartInline();
FString Key = Arguments[1];
Arguments[2].TrimStartInline();
FString SourceString = Arguments[2];
const FString TableIdMacroDesc = FString::Printf(TEXT("\"Id\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString KeyMacroDesc = FString::Printf(TEXT("\"Key\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString SourceStringMacroDesc = FString::Printf(TEXT("\"SourceString\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
bool HasQuotes;
if (PrepareArgument(TableId, true, TableIdMacroDesc, HasQuotes) && PrepareArgument(Key, true, KeyMacroDesc, HasQuotes) && PrepareArgument(SourceString, true, SourceStringMacroDesc, HasQuotes))
{
const FName TableIdName = *TableId;
if (TableIdName.IsNone() || Key.IsEmpty())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s:%d has an empty identifier and cannot be gathered."), *GetToken(), *Context.Filename, Context.LineNumber);
}
else if (!SourceString.IsEmpty())
{
Context.AddStringTableEntry(TableIdName, Key, SourceString);
}
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FStringTableEntryMetaDataMacroDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// LOCTABLE_SETMETA(Id, Key, SourceString)
if (!Context.ExcludedRegion && !Context.WithinBlockComment && !Context.WithinLineComment && !Context.WithinStringLiteral)
{
TArray<FString> Arguments;
if (ParseArgsFromMacro(StripCommentsFromToken(Text, Context), Arguments, Context))
{
if (Arguments.Num() != 4)
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("Expected 4 arguments for %s macro, but got %d while parsing %s:%d. %s"), *GetToken(), Arguments.Num(), *Context.Filename, Context.LineNumber, *FLocTextHelper::SanitizeLogOutput(Context.LineText.TrimStartAndEnd()));
}
else
{
Arguments[0].TrimStartInline();
FString TableId = Arguments[0];
Arguments[1].TrimStartInline();
FString Key = Arguments[1];
Arguments[2].TrimStartInline();
FString MetaDataId = Arguments[2];
Arguments[3].TrimStartInline();
FString MetaData = Arguments[3];
const FString TableIdMacroDesc = FString::Printf(TEXT("\"Id\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString KeyMacroDesc = FString::Printf(TEXT("\"Key\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString MetaDataIdMacroDesc = FString::Printf(TEXT("\"MetaDataId\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
const FString MetaDataMacroDesc = FString::Printf(TEXT("\"MetaData\" argument in %s macro at %s:%d"), *GetToken(), *Context.Filename, Context.LineNumber);
bool HasQuotes;
if (PrepareArgument(TableId, true, TableIdMacroDesc, HasQuotes) && PrepareArgument(Key, true, KeyMacroDesc, HasQuotes) && PrepareArgument(MetaDataId, true, MetaDataIdMacroDesc, HasQuotes) && PrepareArgument(MetaData, true, MetaDataMacroDesc, HasQuotes))
{
const FName TableIdName = *TableId;
const FName MetaDataIdName = *MetaDataId;
if (TableIdName.IsNone() || Key.IsEmpty() || MetaDataIdName.IsNone())
{
UE_LOG(LogGatherTextFromSourceCommandlet, Warning, TEXT("%s macro at %s:%d has an empty identifier and cannot be gathered."), *GetToken(), *Context.Filename, Context.LineNumber);
}
else if (!MetaData.IsEmpty())
{
Context.AddStringTableEntryMetaData(TableIdName, Key, MetaDataIdName, MetaData);
}
}
}
}
}
}
void UGatherTextFromSourceCommandlet::FIniNamespaceDescriptor::TryParse(const FString& Text, FSourceFileParseContext& Context) const
{
// Attempt to parse something of the format
// [<config section name>]
if (!Context.ExcludedRegion)
{
if (Context.LineText[0] == '[')
{
int32 ClosingBracket;
if (Text.FindChar(']', ClosingBracket) && ClosingBracket > 1)
{
Context.Namespace = Text.Mid(1, ClosingBracket - 1);
Context.EndParsingCurrentLine = true;
}
}
}
}
#undef LOC_DEFINE_REGION