ASSA::Regexp Class Reference

Regexp class. More...

#include <Regexp.h>

List of all members.

Public Member Functions
	Regexp (const std::string &pattern_)
	Constructor.
	~Regexp ()
	Destructor.
int	match (const char *text_)
	Match an ASCII character string agains the pattern this class wraps.
const char *	get_error () const
	Return error message.
const char *	get_pattern () const
	Return the original pattern (uncompiled)

Private Attributes
char *	m_pattern
char *	m_error_msg
regex_t *	m_compiled_pattern

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Detailed Description

Regexp class.

Class Regexp wraps regexp structure and associated library functions.

Definition at line 43 of file Regexp.h.

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Constructor & Destructor Documentation

Regexp::Regexp

(

const std::string &

pattern_

)

Constructor.

Parameters:

pattern_

Regular expression pattern

Definition at line 17 of file Regexp.cpp.

References DL, m_compiled_pattern, m_error_msg, m_pattern, ASSA::REGEXP, and trace_with_mask.

    :
    m_pattern (NULL),
    m_error_msg (new char [256]),
    m_compiled_pattern (new regex_t)
{
    trace_with_mask("Regexp::Regexp", REGEXP);

    m_pattern = new char [pattern_.size () + 1];
    ::strncpy (m_pattern, pattern_.c_str (), pattern_.size ());
    m_pattern [pattern_.size ()] = '\0';

    int ret = ::regcomp (m_compiled_pattern, m_pattern, REG_EXTENDED);

    if (ret != 0) {
        ::regerror (ret, m_compiled_pattern, m_error_msg, 256);
        DL((REGEXP,"regcomp(\"%s\") = %d\n", m_pattern, ret));
        DL((REGEXP,"error: \"%s\"\n", m_error_msg));

        delete [] m_pattern;
        m_pattern = NULL;
    }