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43 lines
664 B
C++
43 lines
664 B
C++
#ifndef binpac_regex_h
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#define binpac_regex_h
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#include "binpac.h"
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#include "RE.h"
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class RE_Matcher;
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namespace binpac
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{
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class RegExMatcher {
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public:
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RegExMatcher(const char *pattern)
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: pattern_(pattern)
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{
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re_matcher_ = 0;
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}
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~RegExMatcher()
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{
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delete re_matcher_;
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}
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// Returns the length of longest match, or -1 on mismatch.
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int MatchPrefix(const_byteptr data, int len)
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{
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if ( ! re_matcher_ )
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{
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re_matcher_ = new RE_Matcher(pattern_.c_str());
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re_matcher_->Compile();
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}
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return re_matcher_->MatchPrefix(data, len);
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}
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private:
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string pattern_;
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RE_Matcher *re_matcher_;
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};
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} // namespace binpac
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#endif // binpac_regex_h
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