Class TUnicodeAnalysis
Unit
Declaration
type TUnicodeAnalysis = class(TObject)
Description
Analyze Unicode text to build a tree
Hierarchy
- TObject
- TUnicodeAnalysis
Overview
Fields
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FBidi: TBidiUTF8Array; |
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FBidiMode: TFontBidiMode; |
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FCharCount: integer; |
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FParagraph: array of record
firstUnbrokenLineIndex: integer;
end; |
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FParagraphCount: integer; |
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FText: string; |
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FUnbrokenLine: array of record
startIndex: integer;
paragraphIndex: integer;
end; |
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FUnbrokenLineCount: integer; |
Methods
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constructor Create(ATextUTF8: string; ABidiMode: TFontBidiMode); |
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function CopyTextUTF8(AStartIndex, ACount: integer): string; |
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function CopyTextUTF8DiscardChars(AStartIndex,AEndIndex: integer; out ANonDiscardedCount: integer): string; |
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function CreateBidiTree(ABidiTreeFactory: TBidiTreeAny; AData: pointer; AStartIndex, AEndIndex: integer; AEmbeddingBidiLevel: integer): TBidiTree; |
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function DeleteText(APosition, ACount: integer): integer; |
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function DeleteTextBefore(APosition, ACount: integer): integer; |
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function GetParagraphAt(ACharIndex: integer): integer; |
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function IncludeNonSpacingChars(APosition, ACount: integer; AIncludeCombiningMarks: boolean = true): integer; |
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function IncludeNonSpacingCharsBefore(APosition, ACount: integer; AIncludeCombiningMarks: boolean = true): integer; |
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function InsertText(ATextUTF8: string; APosition: integer): integer; |
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function GetBidiInfo(APosition0: integer): TUnicodeBidiInfo; |
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function GetParagraphEndIndex(AIndex: integer): integer; |
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function GetParagraphEndIndexBeforeParagraphSeparator(AIndex: integer): integer; |
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function GetParagraphFirstUnbrokenLine(AIndex: integer): integer; |
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function GetParagraphLastUnbrokenLinePlusOne(AIndex: integer): integer; |
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function GetParagraphStartIndex(AIndex: integer): integer; |
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function GetUnbrokenLineEndIndex(AIndex: integer): integer; |
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function GetUnbrokenLineParagraphIndex(AIndex: integer): integer; |
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function GetUnbrokenLineStartIndex(AIndex: integer): integer; |
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function GetUnicodeChar(APosition0: integer): LongWord; |
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function GetUTF8Char(APosition0: integer): string4; |
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function InternalInsertText(APosition: integer; const ANewBidi: TBidiUTF8Array; ANewTextUTF8: string): integer; |
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procedure Analyze; |
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procedure CheckCharRange(AStartIndex, AEndIndex: integer; AMinIndex, AMaxIndex: integer); |
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procedure CheckTextAnalysis; |
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procedure CreateBidiTreeRec(ABidiTreeFactory: TBidiTreeAny; AData: pointer; ABidiTree: TBidiTree); |
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procedure InternalDeleteBidiAndUTF8(ABidiStart, ABidiCount: integer); |
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procedure InternalDeleteParagraph(AParagraphIndex: integer); |
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procedure InternalDeleteText(APosition, ACount: integer); |
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procedure InternalDeleteWithinParagraph(AParagraphIndex: integer; APosition, ACount: integer; AUpdateBidi: boolean); |
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procedure InternalMergeParagraphWithNext(AParagraphIndex: integer); |
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procedure InternalSplitParagraph(AParagraphIndex: integer); |
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procedure InternalUpdateBidiIsolate(AParagraphIndex: integer; ABidiStart, ABidiCount: integer); |
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procedure InternalUpdateUnbrokenLines(AParagraphIndex: integer); |
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procedure SetBidiMode(AValue: TFontBidiMode); |
Properties
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property BidiInfo[APosition0: integer]: TUnicodeBidiInfo read GetBidiInfo; |
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property BidiMode: TFontBidiMode read FBidiMode write SetBidiMode; |
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property CharCount: integer read FCharCount; |
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property OnAnalysisChanged: TAnalysisChangedEvent read FOnAnalysisChanged write FOnAnalysisChanged; |
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property OnBidiModeChanged: TNotifyEvent read FOnBidiModeChanged write FOnBidiModeChanged; |
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property OnCharDeleted: TDeleteCharEvent read FOnCharDeleted write FOnCharDeleted; |
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property OnCharInserted: TInsertCharEvent read FOnCharInserted write FOnCharInserted; |
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property OnParagraphDeleted: TParagraphEvent read FOnParagraphDeleted write FOnParagraphDeleted; |
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property OnParagraphMergedWithNext: TParagraphEvent read FOnParagraphMergedWithNext write FOnParagraphMergedWithNext; |
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property OnParagraphSplit: TParagraphSplitEvent read FOnParagraphSplit write FOnParagraphSplit; |
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property ParagraphCount: integer read FParagraphCount; |
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property ParagraphEndIndex[AIndex: integer]: integer read GetParagraphEndIndex; |
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property ParagraphEndIndexBeforeParagraphSeparator[AIndex: integer]: integer read GetParagraphEndIndexBeforeParagraphSeparator; |
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property ParagraphFirstUnbrokenLine[AIndex: integer]: integer read GetParagraphFirstUnbrokenLine; |
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property ParagraphLastUnbrokenLinePlusOne[AIndex: integer]: integer read GetParagraphLastUnbrokenLinePlusOne; |
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property ParagraphRightToLeft[AIndex: integer]: boolean read GetParagraphRightToLeft; |
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property ParagraphStartIndex[AIndex: integer]: integer read GetParagraphStartIndex; |
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property TextUTF8: string read FText; |
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property UnbrokenLineCount: integer read FUnbrokenLineCount; |
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property UnbrokenLineEndIndex[AIndex: integer]: integer read GetUnbrokenLineEndIndex; |
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property UnbrokenLineParagraphIndex[AIndex: integer]: integer read GetUnbrokenLineParagraphIndex; |
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property UnbrokenLineStartIndex[AIndex: integer]: integer read GetUnbrokenLineStartIndex; |
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property UnicodeChar[APosition0: integer]: LongWord read GetUnicodeChar; |
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property UTF8Char[APosition0: integer]: string4 read GetUTF8Char; |
Description
Fields
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FBidi: TBidiUTF8Array; |
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This item has no description. | |
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FBidiMode: TFontBidiMode; |
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This item has no description. | |
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FCharCount: integer; |
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This item has no description. | |
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FParagraph: array of record
firstUnbrokenLineIndex: integer;
end; |
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This item has no description. | |
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FParagraphCount: integer; |
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This item has no description. | |
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FText: string; |
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This item has no description. | |
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FUnbrokenLine: array of record
startIndex: integer;
paragraphIndex: integer;
end; |
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This item has no description. | |
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FUnbrokenLineCount: integer; |
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This item has no description. | |
Methods
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constructor Create(ATextUTF8: string; ABidiMode: TFontBidiMode); |
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This item has no description. | |
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function CopyTextUTF8(AStartIndex, ACount: integer): string; |
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This item has no description. | |
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function CopyTextUTF8DiscardChars(AStartIndex,AEndIndex: integer; out ANonDiscardedCount: integer): string; |
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This item has no description. | |
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function CreateBidiTree(ABidiTreeFactory: TBidiTreeAny; AData: pointer; AStartIndex, AEndIndex: integer; AEmbeddingBidiLevel: integer): TBidiTree; |
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This item has no description. | |
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function DeleteText(APosition, ACount: integer): integer; |
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This item has no description. | |
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function DeleteTextBefore(APosition, ACount: integer): integer; |
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This item has no description. | |
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function GetParagraphAt(ACharIndex: integer): integer; |
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This item has no description. | |
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function IncludeNonSpacingChars(APosition, ACount: integer; AIncludeCombiningMarks: boolean = true): integer; |
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This item has no description. | |
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function IncludeNonSpacingCharsBefore(APosition, ACount: integer; AIncludeCombiningMarks: boolean = true): integer; |
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This item has no description. | |
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function InsertText(ATextUTF8: string; APosition: integer): integer; |
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This item has no description. | |
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function GetBidiInfo(APosition0: integer): TUnicodeBidiInfo; |
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This item has no description. | |
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function GetParagraphEndIndex(AIndex: integer): integer; |
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This item has no description. | |
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function GetParagraphEndIndexBeforeParagraphSeparator(AIndex: integer): integer; |
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This item has no description. | |
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function GetParagraphFirstUnbrokenLine(AIndex: integer): integer; |
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This item has no description. | |
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function GetParagraphLastUnbrokenLinePlusOne(AIndex: integer): integer; |
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This item has no description. | |
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function GetParagraphStartIndex(AIndex: integer): integer; |
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This item has no description. | |
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function GetUnbrokenLineEndIndex(AIndex: integer): integer; |
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This item has no description. | |
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function GetUnbrokenLineParagraphIndex(AIndex: integer): integer; |
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This item has no description. | |
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function GetUnbrokenLineStartIndex(AIndex: integer): integer; |
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This item has no description. | |
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function GetUnicodeChar(APosition0: integer): LongWord; |
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This item has no description. | |
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function GetUTF8Char(APosition0: integer): string4; |
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This item has no description. | |
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function InternalInsertText(APosition: integer; const ANewBidi: TBidiUTF8Array; ANewTextUTF8: string): integer; |
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This item has no description. | |
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procedure Analyze; |
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This item has no description. | |
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procedure CheckCharRange(AStartIndex, AEndIndex: integer; AMinIndex, AMaxIndex: integer); |
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This item has no description. | |
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procedure CheckTextAnalysis; |
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This item has no description. | |
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procedure CreateBidiTreeRec(ABidiTreeFactory: TBidiTreeAny; AData: pointer; ABidiTree: TBidiTree); |
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This item has no description. | |
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procedure InternalDeleteBidiAndUTF8(ABidiStart, ABidiCount: integer); |
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This item has no description. | |
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procedure InternalDeleteParagraph(AParagraphIndex: integer); |
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This item has no description. | |
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procedure InternalDeleteText(APosition, ACount: integer); |
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This item has no description. | |
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procedure InternalDeleteWithinParagraph(AParagraphIndex: integer; APosition, ACount: integer; AUpdateBidi: boolean); |
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This item has no description. | |
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procedure InternalMergeParagraphWithNext(AParagraphIndex: integer); |
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This item has no description. | |
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procedure InternalSplitParagraph(AParagraphIndex: integer); |
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This item has no description. | |
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procedure InternalUpdateBidiIsolate(AParagraphIndex: integer; ABidiStart, ABidiCount: integer); |
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This item has no description. | |
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procedure InternalUpdateUnbrokenLines(AParagraphIndex: integer); |
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This item has no description. | |
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procedure SetBidiMode(AValue: TFontBidiMode); |
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This item has no description. | |
Properties
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property BidiInfo[APosition0: integer]: TUnicodeBidiInfo read GetBidiInfo; |
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This item has no description. | |
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property BidiMode: TFontBidiMode read FBidiMode write SetBidiMode; |
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This item has no description. | |
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property CharCount: integer read FCharCount; |
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This item has no description. | |
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property OnAnalysisChanged: TAnalysisChangedEvent read FOnAnalysisChanged write FOnAnalysisChanged; |
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This item has no description. | |
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property OnBidiModeChanged: TNotifyEvent read FOnBidiModeChanged write FOnBidiModeChanged; |
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This item has no description. | |
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property OnCharDeleted: TDeleteCharEvent read FOnCharDeleted write FOnCharDeleted; |
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This item has no description. | |
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property OnCharInserted: TInsertCharEvent read FOnCharInserted write FOnCharInserted; |
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This item has no description. | |
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property OnParagraphDeleted: TParagraphEvent read FOnParagraphDeleted write FOnParagraphDeleted; |
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This item has no description. | |
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property OnParagraphMergedWithNext: TParagraphEvent read FOnParagraphMergedWithNext write FOnParagraphMergedWithNext; |
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This item has no description. | |
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property OnParagraphSplit: TParagraphSplitEvent read FOnParagraphSplit write FOnParagraphSplit; |
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This item has no description. | |
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property ParagraphCount: integer read FParagraphCount; |
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This item has no description. | |
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property ParagraphEndIndex[AIndex: integer]: integer read GetParagraphEndIndex; |
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This item has no description. | |
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property ParagraphEndIndexBeforeParagraphSeparator[AIndex: integer]: integer read GetParagraphEndIndexBeforeParagraphSeparator; |
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This item has no description. | |
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property ParagraphFirstUnbrokenLine[AIndex: integer]: integer read GetParagraphFirstUnbrokenLine; |
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This item has no description. | |
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property ParagraphLastUnbrokenLinePlusOne[AIndex: integer]: integer read GetParagraphLastUnbrokenLinePlusOne; |
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This item has no description. | |
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property ParagraphRightToLeft[AIndex: integer]: boolean read GetParagraphRightToLeft; |
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This item has no description. | |
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property ParagraphStartIndex[AIndex: integer]: integer read GetParagraphStartIndex; |
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This item has no description. | |
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property TextUTF8: string read FText; |
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This item has no description. | |
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property UnbrokenLineCount: integer read FUnbrokenLineCount; |
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This item has no description. | |
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property UnbrokenLineEndIndex[AIndex: integer]: integer read GetUnbrokenLineEndIndex; |
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This item has no description. | |
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property UnbrokenLineParagraphIndex[AIndex: integer]: integer read GetUnbrokenLineParagraphIndex; |
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This item has no description. | |
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property UnbrokenLineStartIndex[AIndex: integer]: integer read GetUnbrokenLineStartIndex; |
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This item has no description. | |
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property UnicodeChar[APosition0: integer]: LongWord read GetUnicodeChar; |
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This item has no description. | |
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property UTF8Char[APosition0: integer]: string4 read GetUTF8Char; |
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This item has no description. | |