repos/SiteMapper/Matcher.cpp

// Site Mapper
//
// Douglas Thrift
//
// $Id$

#include "Matcher.hpp"

Matcher::Matcher(const string& expression)
{
        this->expression = NULL;

        (*this)(expression);
}

Matcher::~Matcher()
{
        if (expression != NULL)
        {
                pcre_free(expression);
        }
}

bool Matcher::match(const string& stuff)
{
        substrings.clear();

        if (expression != NULL)
        {
                int length;

                pcre_fullinfo(expression, NULL, PCRE_INFO_CAPTURECOUNT, &length);

                int* substrings = new int[(++length *= 3)];
                int count = pcre_exec(expression, NULL, stuff.c_str(), stuff.length(),
                        0, 0, substrings, length);

                if (count > 0)
                {
                        char* substring = new char[stuff.length() + 1];

                        for (int index = 0; index < count; index++)
                        {
                                pcre_copy_substring(stuff.c_str(), substrings, count, index,
                                        substring, stuff.length() + 1);

                                this->substrings.push_back(substring);
                        }

                        delete [] substring;
                        delete [] substrings;
                        return true;
                }

                delete [] substrings;
        }

        return false;
}

Matcher& Matcher::operator()(const string& expression)
{
        substrings.clear();

        if (this->expression != NULL)
        {
                pcre_free(this->expression);
        }

        const char* error;
        int offset;

        this->expression = pcre_compile(expression.c_str(), PCRE_UNGREEDY |
                PCRE_DOTALL, &error, &offset, NULL);

        return *this;
}
Revision:	140
Committed:	2004-03-25T18:04:04-08:00 (21 years, 2 months ago) by Douglas Thrift
File size:	1278 byte(s)
Log Message:	There!
#	User	Rev	Content
1	Douglas Thrift	126	// Site Mapper
2			//
3			// Douglas Thrift
4			//
5			// $Id$
6
7			#include "Matcher.hpp"
8
9			Matcher::Matcher(const string& expression)
10			{
11			this->expression = NULL;
12
13			(*this)(expression);
14			}
15
16			Matcher::~Matcher()
17			{
18			if (expression != NULL)
19			{
20			pcre_free(expression);
21			}
22			}
23
24			bool Matcher::match(const string& stuff)
25			{
26			substrings.clear();
27
28			if (expression != NULL)
29			{
30			int length;
31
32			pcre_fullinfo(expression, NULL, PCRE_INFO_CAPTURECOUNT, &length);
33
34			int* substrings = new int[(++length *= 3)];
35			int count = pcre_exec(expression, NULL, stuff.c_str(), stuff.length(),
36			0, 0, substrings, length);
37
38			if (count > 0)
39			{
40			char* substring = new char[stuff.length() + 1];
41
42			for (int index = 0; index < count; index++)
43			{
44			pcre_copy_substring(stuff.c_str(), substrings, count, index,
45			substring, stuff.length() + 1);
46
47			this->substrings.push_back(substring);
48			}
49
50			delete [] substring;
51			delete [] substrings;
52			return true;
53			}
54
55			delete [] substrings;
56			}
57
58			return false;
59			}
60
61			Matcher& Matcher::operator()(const string& expression)
62			{
63			substrings.clear();
64
65			if (this->expression != NULL)
66			{
67			pcre_free(this->expression);
68			}
69
70			const char* error;
71			int offset;
72
73	Douglas Thrift	140	this->expression = pcre_compile(expression.c_str(), PCRE_UNGREEDY \|
74			PCRE_DOTALL, &error, &offset, NULL);
75	Douglas Thrift	126
76			return *this;
77			}