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/** @file
	Parser: @b int parser class.

	Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)
	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
*/

#include "classes.h"
#include "pa_vmethod_frame.h"

#include "pa_request.h"
#include "pa_vint.h"
#include "pa_vregex.h"

volatile const char * IDENT_REGEX_C="$Id: regex.C,v 1.14 2018/01/19 00:32:50 moko Exp $";

// class

class MRegex: public Methoded {
public: // VStateless_class
	Value* create_new_value(Pool&) { return new VRegex(); }
public:
	MRegex();
};

// global variable

DECLARE_CLASS_VAR(regex, new MRegex);

// methods

static void _create(Request& r, MethodParams& params) {
	VRegex& vregex=GET_SELF(r, VRegex);

	if(VRegex* aregex = static_cast<VRegex*>(params[0].as(VREGEX_TYPE))){
		vregex.set(*aregex);
	} else {
		const String& pattern=params.as_string(0, "regexp must not be code");
		vregex.set(r.charsets.source(), &pattern, params.count()>1 ? &params.as_string(1, OPTIONS_MUST_NOT_BE_CODE) : 0);
	}

	vregex.compile();
	vregex.study();
}


static void _size(Request& r, MethodParams&) {
	VRegex& vregex=GET_SELF(r, VRegex);
	r.write(*new VInt(vregex.get_info_size()));
}

static void _study_size(Request& r, MethodParams&) {
	VRegex& vregex=GET_SELF(r, VRegex);
	r.write(*new VInt(vregex.get_study_size()));
}

// constructor

MRegex::MRegex(): Methoded("regex") {
	// ^regex::create[string|regex[;options]]
	add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);

	// ^regex.info_size[]
	add_native_method("size", Method::CT_DYNAMIC, _size, 0, 0);

	// ^regex.study_size[]
	add_native_method("study_size", Method::CT_DYNAMIC, _study_size, 0, 0);

}