mm::PdfCharCodeMap Class Reference

#include <PdfCharCodeMap.h>

Public Member Functions
void	PushMapping (const PdfCharCode &codeUnit, const cspan< char32_t > &codePoints)
void	PushMapping (const PdfCharCode &codeUnit, char32_t codePoint)
bool	TryGetCodePoints (const PdfCharCode &codeUnit, std::vector< char32_t > &codePoints) const
bool	TryGetNextCharCode (std::string_view::iterator &it, const std::string_view::iterator &end, PdfCharCode &code) const
bool	TryGetCharCode (const cspan< char32_t > &codePoints, PdfCharCode &code) const
bool	TryGetCharCode (char32_t codePoint, PdfCharCode &code) const

Detailed Description

A bidirectional map from character code units to generic code points

Remarks

Code points actual encoding is unspecified, but it can be unicode code points or CID(s) as for CID keyed fonts For generic terminology see https://en.wikipedia.org/wiki/Character_encoding#Terminology See also 5014.CIDFont_Spec, 2.1 Terminology

Member Function Documentation

PushMapping() [1/2]

void PdfCharCodeMap::PushMapping	(	const PdfCharCode &	codeUnit,
		char32_t	codePoint
	)

Convenience method to push a single code point mapping

PushMapping() [2/2]

void PdfCharCodeMap::PushMapping	(	const PdfCharCode &	codeUnit,
		const cspan< char32_t > &	codePoints
	)

Method to push a mapping. Given string can be a ligature, es "ffi"

TryGetCharCode() [1/2]

bool PdfCharCodeMap::TryGetCharCode	(	char32_t	codePoint,
		PdfCharCode &	code
	)		const

Try get char code from unicode code point

TryGetCharCode() [2/2]

bool PdfCharCodeMap::TryGetCharCode	(	const cspan< char32_t > &	codePoints,
		PdfCharCode &	code
	)		const

Try get char code from unicode code points

Parameters

codePoints

sequence of unicode code points. All the sequence must match

TryGetCodePoints()

bool PdfCharCodeMap::TryGetCodePoints	(	const PdfCharCode &	codeUnit,
		std::vector< char32_t > &	codePoints
	)		const

Returns false when no mapped identifiers are not found in the map

TryGetNextCharCode()

bool PdfCharCodeMap::TryGetNextCharCode	(	std::string_view::iterator &	it,
		const std::string_view::iterator &	end,
		PdfCharCode &	code
	)		const

Try get char code from utf8 encoded range

Remarks

It assumes it != and it will consumes the interator also when returning false