hext::RegexReplacePipe Class Reference

Replaces a string within a string according to a given regex. More...

#include <RegexReplacePipe.h>

Inheritance diagram for hext::RegexReplacePipe:

Collaboration diagram for hext::RegexReplacePipe:

Public Member Functions
	RegexReplacePipe (boost::regex regex, std::string str)
	Constructs a RegexReplacePipe.
std::string	transform (std::string str) const override
	Replaces a string within str according to the regex given in the constructor.
Public Member Functions inherited from hext::Cloneable< RegexReplacePipe, StringPipe >
virtual std::unique_ptr< StringPipe >	clone () const override
	Clones objects of template type Derived and returns an owning pointer to the newly allocated Base.
Public Member Functions inherited from hext::StringPipe
	StringPipe () noexcept
	StringPipe (const StringPipe &other)
	StringPipe (StringPipe &&) noexcept=default
StringPipe &	operator= (const StringPipe &other)
StringPipe &	operator= (StringPipe &&) noexcept=default
virtual	~StringPipe () noexcept=default
std::string	pipe (std::string str) const
	Calls StringPipe::transform successively until the whole StringPipe chain was traversed.
void	append (std::unique_ptr< StringPipe > pipe) noexcept
	Append a StringPipe at the end of the chain.
template<typename StringPipeType , typename... Args>
void	emplace (Args &&... arg)
	Construct a StringPipe at the end of the chain.

Detailed Description

Replaces a string within a string according to a given regex.

Example:

Use backreferences to address capture groups:

RegexReplacePipe r(boost::regex("^(\\w+) (\\\w+)$"), "$2 $1");
r.transform("first second");    // "second first"

Definition at line 41 of file RegexReplacePipe.h.

Constructor & Destructor Documentation

RegexReplacePipe()

hext::RegexReplacePipe::RegexReplacePipe	(	boost::regex	regex,
		std::string	str
	)

Constructs a RegexReplacePipe.

Parameters

regex	A regular expression that is applied to the string.
str	The string that will replace the portion matching regex.

Member Function Documentation

transform()

std::string hext::RegexReplacePipe::transform ( std::string  str ) const

overridevirtual

Replaces a string within str according to the regex given in the constructor.

Implements hext::StringPipe.

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

• hext/RegexReplacePipe.h