Utility::CharGroupParser Class Reference

Parser class that accepts only characters given. More...

#include <Parser.h>

Inheritance diagram for Utility::CharGroupParser:

Public Member Functions
	CharGroupParser (const char *accept_chars)
	Constructor. More...
virtual	~CharGroupParser ()
	Destructor. More...
virtual bool	parse (const char *input)
	Parse input string. More...
Public Member Functions inherited from Utility::AbstractParser
virtual	~AbstractParser ()
	Destructor. More...
virtual const int8_t &	index ()
	Get matched index of after parsing. More...

Additional Inherited Members
Protected Member Functions inherited from Utility::AbstractParser
	AbstractParser ()
	Constructor. More...
Protected Attributes inherited from Utility::AbstractParser
int8_t	m_index

Detailed Description

Parser class that accepts only characters given.

Refer to the usage below.

Utility::CharGroupParser cgp("ab");

cgp.parse("a");  // == true
cgp.index();     // == 0

cgp.parse("b");  // == true
cgp.index();     // == 1

cgp.parse("ax"); // == true
cgp.index();     // == 0

cgp.parse("c");  // == false
cgp.index();     // == -1

Constructor & Destructor Documentation

Utility::CharGroupParser::CharGroupParser

(

const char *

accept_chars

)

Constructor.

Parameters

[in]

accept_chars

Condition string.

Note

The class runs linear search internally, so it is efficient to put a char that has high priority in heading of the accept_chars.

virtual Utility::CharGroupParser::~CharGroupParser ( )

virtual

Destructor.

Member Function Documentation

virtual bool Utility::CharGroupParser::parse ( const char *  input )

virtual

Parse input string.

In the implementation, parses the heading of the input. (i.e. Validate the input as ^[accept_chars].)

If you want ^[accept_chars]+$ to be validated, please edit the method yourself.

Parameters

[in]

input

String you want to parse.

Returns

Result

Implements Utility::AbstractParser.

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

• Parser.h