Extract an argument referenced with a leading $ (e.g. $@, $* or $1). More...

#include <shell_node.h>

Inheritance diagram for bs::shell_node_dollar_arg:

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Collaboration diagram for bs::shell_node_dollar_arg:

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Public Member Functions
	shell_node_dollar_arg (const std::size_t nPos, const std::uint64_t nArg)
	Construct a dollar-argument extractor.

std::string	get_value (const shell_session &oSession) const override
	Retrieve the argument value via the session.

std::uint64_t	get_arg () const noexcept
	Get referenced argument index.

Public Member Functions inherited from bs::shell_node_session_extractor
	shell_node_session_extractor (const shell_node_type nType, const std::size_t nPos)
	Construct a session extractor node.

void	expand (std::vector< std::string > &vTokens, shell_session &oSession, bool bSplit) const override
	Expand by retrieving the value via get_value() and appending it.

Public Member Functions inherited from bs::shell_node_expandable
	shell_node_expandable (const shell_node_type nType, const std::size_t nPos)
	Construct an expandable node.

Public Member Functions inherited from bs::shell_node
virtual	~shell_node ()=default
	Virtual default destructor for polymorphic deletion.

shell_node_type	get_type () const noexcept
	Get the node type.

std::size_t	get_pos () const noexcept
	Get node position in the original input stream.

Additional Inherited Members
Protected Member Functions inherited from bs::shell_node
	shell_node (const shell_node_type nType, const std::size_t nPos)
	Protected constructor used by derived classes.

Protected Attributes inherited from bs::shell_node
const shell_node_type	m_nType
	Node type.

const std::size_t	m_nPos
	Position in the input stream.

Detailed Description

Extract an argument referenced with a leading $ (e.g. $@, $* or $1).

Constructor & Destructor Documentation

bs::shell_node_dollar_arg::shell_node_dollar_arg	(	const std::size_t	nPos,
		const std::uint64_t	nArg
	)

inline

Construct a dollar-argument extractor.

Parameters

nPos	Position in stream.
nArg	Argument index referenced.

std::uint64_t bs::shell_node_dollar_arg::get_arg ( ) const

inlinenoexcept

Get referenced argument index.

std::string bs::shell_node_dollar_arg::get_value ( const shell_session & oSession ) const

overridevirtual

Retrieve the argument value via the session.

Parameters

oSession Active session.

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