#include <validate_grapheme.h>

Inheritance diagram for tesseract::ValidateGrapheme:

Collaboration diagram for tesseract::ValidateGrapheme:

Public Member Functions
	ValidateGrapheme (ViramaScript script, bool report_errors)

	~ValidateGrapheme ()

Public Member Functions inherited from tesseract::Validator
virtual	~Validator ()

Protected Member Functions
bool	ConsumeGraphemeIfValid () override

CharClass	UnicodeToCharClass (char32 ch) const override

Protected Member Functions inherited from tesseract::Validator
	Validator (ViramaScript script, bool report_errors)

bool	ValidateCleanAndSegmentInternal (GraphemeNormMode g_mode, const std::vector< char32 > &src, std::vector< std::vector< char32 >> *dest)

void	MoveResultsToDest (GraphemeNormMode g_mode, std::vector< std::vector< char32 >> *dest)

bool	IsSubscriptScript () const

bool	CodeOnlyToOutput ()

void	MultiCodePart (int length)

bool	UseMultiCode (int length)

void	ComputeClassCodes (const std::vector< char32 > &text)

void	Clear ()

Private Member Functions
bool	IsBadlyFormed (char32 prev_ch, char32 ch)

Static Private Member Functions
static bool	IsBadlyFormedIndicVowel (char32 prev_ch, char32 ch)

static bool	IsBadlyFormedThai (char32 prev_ch, char32 ch)

Additional Inherited Members
Static Public Member Functions inherited from tesseract::Validator
static bool	ValidateCleanAndSegment (GraphemeNormMode g_mode, bool report_errors, const std::vector< char32 > &src, std::vector< std::vector< char32 >> *dest)

static bool	IsZeroWidthMark (char32 ch)

Static Public Attributes inherited from tesseract::Validator
static const char32	kZeroWidthSpace = 0x200B

static const char32	kZeroWidthNonJoiner = 0x200C

static const char32	kZeroWidthJoiner = 0x200D

static const char32	kLeftToRightMark = 0x200E

static const char32	kRightToLeftMark = 0x200F

static const char32	kInvalid = 0xfffd

Protected Types inherited from tesseract::Validator
enum	CharClass { CharClass::kConsonant = 'C', CharClass::kVowel = 'V', CharClass::kVirama = 'H', CharClass::kMatra = 'M', CharClass::kMatraPiece = 'P', CharClass::kVowelModifier = 'D', CharClass::kZeroWidthNonJoiner = 'z', CharClass::kZeroWidthJoiner = 'Z', CharClass::kVedicMark = 'v', CharClass::kNukta = 'N', CharClass::kRobat = 'R', CharClass::kOther = 'O', CharClass::kWhitespace = ' ', CharClass::kCombiner = 'c' }

using	IndicPair = std::pair< CharClass, char32 >

Static Protected Member Functions inherited from tesseract::Validator
static std::unique_ptr< Validator >	ScriptValidator (ViramaScript script, bool report_errors)

static ViramaScript	MostFrequentViramaScript (const std::vector< char32 > &utf32)

static bool	IsVirama (char32 unicode)

static bool	IsVedicAccent (char32 unicode)

Protected Attributes inherited from tesseract::Validator
ViramaScript	script_

std::vector< IndicPair >	codes_

std::vector< std::vector< char32 > >	parts_

std::vector< char32 >	output_

int	codes_used_

int	output_used_

bool	report_errors_

Static Protected Attributes inherited from tesseract::Validator
static const int	kIndicCodePageSize = 128

static const char32	kMinIndicUnicode = 0x900

static const char32	kMaxSinhalaUnicode = 0xdff

static const char32	kMaxViramaScriptUnicode = 0x17ff

static const char32	kSinhalaVirama = 0xdca

static const char32	kMyanmarVirama = 0x1039

static const char32	kKhmerVirama = 0x17d2

static const char32	kJavaneseVirama = 0xa9c0

static const char32	kMaxJavaneseUnicode = 0xa9df

Constructor & Destructor Documentation

◆ ValidateGrapheme()

tesseract::ValidateGrapheme::ValidateGrapheme	(	ViramaScript	script,
		bool	report_errors
	)

inline

◆ ~ValidateGrapheme()

tesseract::ValidateGrapheme::~ValidateGrapheme ( )

inline

Member Function Documentation

◆ ConsumeGraphemeIfValid()

bool tesseract::ValidateGrapheme::ConsumeGraphemeIfValid ( )

overrideprotectedvirtual

Implements tesseract::Validator.

◆ IsBadlyFormed()

bool tesseract::ValidateGrapheme::IsBadlyFormed	(	char32	prev_ch,
		char32	ch
	)

private

◆ IsBadlyFormedIndicVowel()

bool tesseract::ValidateGrapheme::IsBadlyFormedIndicVowel	(	char32	prev_ch,
		char32	ch
	)

staticprivate

◆ IsBadlyFormedThai()

bool tesseract::ValidateGrapheme::IsBadlyFormedThai	(	char32	prev_ch,
		char32	ch
	)

staticprivate

◆ UnicodeToCharClass()

Validator::CharClass tesseract::ValidateGrapheme::UnicodeToCharClass ( char32 ch ) const

overrideprotectedvirtual

Implements tesseract::Validator.

The documentation for this class was generated from the following files:

/home/stephane/src/tesseract/src/training/validate_grapheme.h
/home/stephane/src/tesseract/src/training/validate_grapheme.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Static Private Member Functions

Additional Inherited Members