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// Zoe AIM Away Message RSS Feed Generator |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "Matcher.hpp" |
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|
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Matcher::Matcher(const ext::String& expression) : expression(NULL) |
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{ |
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(*this)(expression); |
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} |
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|
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Matcher::~Matcher() |
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{ |
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if (expression != NULL) |
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{ |
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pcre_free(expression); |
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} |
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} |
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|
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bool Matcher::match(const ext::String& stuff) |
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{ |
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substrings.clear(); |
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|
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if (expression != NULL) |
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{ |
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int length; |
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|
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pcre_fullinfo(expression, NULL, PCRE_INFO_CAPTURECOUNT, &length); |
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|
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int* substrings(new int[(++length *= 3)]); |
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int count(pcre_exec(expression, NULL, stuff.c_str(), stuff.length(), 0, 0, |
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substrings, length)); |
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|
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if (count > 0) |
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{ |
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char* substring(new char[stuff.length() + 1]); |
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|
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for (int index(0); index < count; ++index) |
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{ |
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pcre_copy_substring(stuff.c_str(), substrings, count, index, |
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substring, stuff.length() + 1); |
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|
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this->substrings.push_back(substring); |
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} |
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|
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delete [] substring; |
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delete [] substrings; |
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return true; |
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} |
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|
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delete [] substrings; |
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} |
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|
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return false; |
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} |
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|
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Matcher& Matcher::operator()(const ext::String& expression) |
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{ |
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substrings.clear(); |
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|
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if (this->expression != NULL) |
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{ |
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pcre_free(this->expression); |
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} |
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|
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const char* error; |
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int offset; |
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|
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this->expression = pcre_compile(expression.c_str(), 0, &error, |
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&offset, NULL); |
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|
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return *this; |
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} |
