meta::analyzers::filters::list_filter Class Reference

Filter that either removes or keeps tokens from a given list. More...

#include <list_filter.h>

Inheritance diagram for meta::analyzers::filters::list_filter:

Public Types
enum	type { ACCEPT, REJECT }
	Strongly typed flag to indicate whether the list_filter rejects tokens in the list or only accepts tokens in the list.

Public Member Functions
	list_filter (std::unique_ptr< token_stream > source, const std::string &filename, type method=type::REJECT)
	Creates a list_filter reading tokens from the given source and filtering based on the tokens specified in the given file. More...
	list_filter (const list_filter &other)
	Copy constructor. More...
void	set_content (const std::string &content) override
	Sets the content for the beginning of the filter chain. More...
std::string	next () override
	operator bool () const override
	Determines whether there are more tokens available in the stream.
Public Member Functions inherited from meta::util::multilevel_clonable< Root, Base, Derived >
virtual std::unique_ptr< Root >	clone () const
	Clones the given object. More...

Static Public Attributes
static const std::string	id = "list"
	Identifier for this filter.

Private Member Functions
void	next_token ()
	Advances internal state to the next valid token.

Private Attributes
std::unique_ptr< token_stream >	source_
	The source to read tokens from.
util::optional< std::string >	token_
	The next buffered token.
std::unordered_set< std::string >	list_
	The set of tokens used for filtering.
type	method_
	Whether or not this filter accepts or rejects tokens in the list.

Detailed Description

Filter that either removes or keeps tokens from a given list.

Constructor & Destructor Documentation

meta::analyzers::filters::list_filter::list_filter	(	std::unique_ptr< token_stream >	source,
		const std::string &	filename,
		type	method = type::REJECT
	)

Creates a list_filter reading tokens from the given source and filtering based on the tokens specified in the given file.

The method by default is to reject any tokens specified in the file, but it may be optionally set to type::ACCEPT to allow only tokens that appear in that list.

Parameters

source	The source to construct the filter from
filename	A file that lists tokens that should either be accepted or rejected
method	Whether to accept or reject tokens from the list

meta::analyzers::filters::list_filter::list_filter

(

const list_filter &

other

)

Copy constructor.

Parameters

other

The list_filter to copy into this one

Member Function Documentation

void meta::analyzers::filters::list_filter::set_content ( const std::string &  content )

override

Sets the content for the beginning of the filter chain.

Parameters

content

The string content to set

std::string meta::analyzers::filters::list_filter::next ( )

override

Returns

the next token in the sequence.

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

• /home/chase/projects/meta/include/analyzers/filters/list_filter.h
• /home/chase/projects/meta/src/analyzers/filters/list_filter.cpp