| -rw-r--r-- | src/lib/regexpengine.h | 57 |
diff --git a/src/lib/regexpengine.h b/src/lib/regexpengine.h new file mode 100644 index 0000000..aefa716 --- /dev/null +++ b/src/lib/regexpengine.h @@ -0,0 +1,57 @@ +// +// C++ Interface: regexpengine +// +// Description: +// +// +// Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2004 +// +// Copyright: See COPYING file that comes with this distribution +// +// +#ifndef REGEXPENGINE_H +#define REGEXPENGINE_H + +#include "regexpstate.h" + +class TextFormatter; + +#include <string> +#include <stack> +#include <boost/shared_ptr.hpp> +#include "fileinfo.h" + +/** + the class that actually performs regular expression processing + + @author Lorenzo Bettini + */ +class RegExpEngine { +protected: + RegExpStatePtr currentstate, initial_state; + FileInfo *fileinfo; + +private: + TextFormatter *formatter; + typedef std::stack<RegExpStatePtr> stack_of_states; + stack_of_states states_stack; + +protected: + virtual void enterState(RegExpStatePtr state, int index); + virtual void exitState(int level); + virtual void exitAll(); + virtual void format(int index, RegExpStatePtr state, const std::string &s); + +public: + RegExpEngine(RegExpStatePtr v, TextFormatter *pre, FileInfo *f) : + currentstate(v), fileinfo(f), formatter(pre) { + } + + virtual ~RegExpEngine(); + + void process_file(const char *file); +}; + +typedef boost::shared_ptr<RegExpEngine> RegExpEnginePtr; + +#endif |