PoDoFo::PdfString Class Reference

A string that can be written to a PDF document. More...

#include <PdfString.h>

Inheritance diagram for PoDoFo::PdfString:

Public Member Functions
	PdfString ()
	Create an empty string.
	PdfString (charbuff &&buff, bool isHex)
template<std::size_t N>
	PdfString (const char(&str)[N])
template<typename T , typename = std::enable_if_t<std::is_same_v<T, const char*>>>
	PdfString (T str)
	PdfString (const std::string_view &view)
	Construct a new PdfString from a utf-8 string The input string will be copied.
	PdfString (const std::string &str)
	PdfString (std::string &&str)
	Construct a new PdfString from a utf-8 string.
	PdfString (const PdfString &rhs)
	Copy an existing PdfString.
	PdfString (PdfString &&rhs) noexcept
bool	IsHex () const
	Check if this is a hex string.
PdfStringCharset	GetCharset () const
	A PdfString can be an unevaluated raw buffer, or can be a Ascii, PdfDocEncoding or Unicode string.
bool	IsEmpty () const
bool	IsStringEvaluated () const
	True if the raw data buffer has been evaluated to a string.
std::string_view	GetString () const
	The contents of the string as UTF-8 string.
std::string_view	GetRawData () const
void	Write (OutputStream &stream, PdfWriteFlags writeMode, const PdfStatefulEncrypt *encrypt, charbuff &buffer) const
PdfString &	operator= (const PdfString &rhs)
	Copy an existing PdfString.
PdfString &	operator= (PdfString &&rhs) noexcept
bool	operator== (const PdfString &rhs) const
	Comparison operator.
bool	operator== (const char *str) const
bool	operator== (const std::string &str) const
bool	operator== (const std::string_view &view) const
bool	operator!= (const PdfString &rhs) const
	Comparison operator.
bool	operator!= (const char *str) const
bool	operator!= (const std::string &str) const
bool	operator!= (const std::string_view &view) const
	operator std::string_view () const
	Default cast to utf8 string view.
Public Member Functions inherited from PoDoFo::PdfDataProvider< PdfString >
std::string	ToString (PdfWriteFlags flags=PdfWriteFlags::None) const
	Converts the current object into a string representation which can be written directly to a PDF file on disc.
void	ToString (std::string &str, PdfWriteFlags flags=PdfWriteFlags::None) const

Static Public Member Functions
static PdfString	FromRaw (const bufferview &view, bool hex=true)
	Construct a new PdfString from an utf-8 encoded string.
static PdfString	FromHexData (const std::string_view &hexView, const PdfStatefulEncrypt *encrypt={ })
	Set hex-encoded data as the strings data.

Detailed Description

A string that can be written to a PDF document.

If it contains binary data it is automatically converted into a hex string, otherwise a normal PDF string is written to the document.

PdfString is an implicitly shared class. As a reason it is very fast to copy PdfString objects.

Constructor & Destructor Documentation

PdfString() [1/3]

PoDoFo::PdfString::PdfString

(

const std::string_view &

view

)

Construct a new PdfString from a utf-8 string The input string will be copied.

Parameters

str	the string to copy

PdfString() [2/3]

PdfString::PdfString

(

std::string &&

str

)

Construct a new PdfString from a utf-8 string.

Parameters

str	the string to move from

PdfString() [3/3]

PdfString::PdfString

(

const PdfString &

rhs

)

Copy an existing PdfString.

Parameters

rhs	another PdfString to copy

Member Function Documentation

FromHexData()

PdfString PdfString::FromHexData ( const std::string_view &  hexView, const PdfStatefulEncrypt *  encrypt = { }  )

static

Set hex-encoded data as the strings data.

Parameters

hexView	must be hex-encoded data.
len	length of the hex-encoded data.
encrypt	if !nullptr, assume the hex data is encrypted and should be decrypted after hex-decoding.

FromRaw()

PdfString PdfString::FromRaw ( const bufferview &  view, bool  hex = true  )

static

Construct a new PdfString from an utf-8 encoded string.

Parameters

view	a buffer
hex	true if the string should be written as hex string

GetString()

string_view PdfString::GetString

(

)

const

The contents of the string as UTF-8 string.

The string's contents are always returned as UTF-8 by this function. Works for Unicode strings and for non-Unicode strings.

This is the preferred way to access the string's contents.

Returns

the string's contents always as UTF-8

IsHex()

bool PoDoFo::PdfString::IsHex ( ) const

inline

Check if this is a hex string.

If true the data will be hex-encoded when the string is written to a PDF file.

Returns

true if this is a hex string.

See also

GetString() will return the raw string contents (not hex-encoded)

operator!=()

bool PdfString::operator!=

(

const PdfString &

rhs

)

const

Comparison operator.

Parameters

rhs	compare to this string object

Returns

true if strings have different contents

operator=()

PdfString & PdfString::operator=

(

const PdfString &

rhs

)

Copy an existing PdfString.

Parameters

rhs	another PdfString to copy

Returns

this object

operator==()

bool PdfString::operator==

(

const PdfString &

rhs

)

const

Comparison operator.

UTF-8 and strings of the same data compare equal. Whether the string will be written out as hex is not considered - only the real "text" is tested for equality.

Parameters

rhs	compare to this string object

Returns

true if both strings have the same contents

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

• src/podofo/main/PdfString.h
• src/podofo/main/PdfString.cpp