xpressive/perf/regex_comparison.hpp
2014-01-11 00:36:40 -08:00

140 lines
4.0 KiB
C++

/*
*
* Copyright (c) 2002
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
#ifndef REGEX_COMPARISON_HPP
#define REGEX_COMPARISON_HPP
#include <string>
#include <list>
#include <boost/limits.hpp>
//
// globals:
//
extern bool time_boost;
extern bool time_greta;
extern bool time_safe_greta;
extern bool time_dynamic_xpressive;
extern bool time_static_xpressive;
//extern bool time_posix;
//extern bool time_pcre;
extern bool test_matches;
extern bool test_short_twain;
extern bool test_long_twain;
extern std::string xml_out_file;
extern std::string xml_contents;
int handle_argument(const std::string& what);
int show_usage();
void load_file(std::string& text, const char* file);
void output_xml_results(bool show_description, const std::string& title, const std::string& filename);
struct results
{
double boost_time;
double greta_time;
double safe_greta_time;
double dynamic_xpressive_time;
double static_xpressive_time;
//double posix_time;
//double pcre_time;
double factor;
std::string expression;
std::string description;
results(const std::string& ex, const std::string& desc)
: boost_time(-1),
greta_time(-1),
safe_greta_time(-1),
dynamic_xpressive_time(-1),
static_xpressive_time(-1),
//posix_time(-1),
//pcre_time(-1),
factor((std::numeric_limits<double>::max)()),
expression(ex),
description(desc)
{}
void finalise()
{
if((boost_time >= 0) && (boost_time < factor))
factor = boost_time;
if((greta_time >= 0) && (greta_time < factor))
factor = greta_time;
if((safe_greta_time >= 0) && (safe_greta_time < factor))
factor = safe_greta_time;
if((dynamic_xpressive_time >= 0) && (dynamic_xpressive_time < factor))
factor = dynamic_xpressive_time;
if((static_xpressive_time >= 0) && (static_xpressive_time < factor))
factor = static_xpressive_time;
//if((posix_time >= 0) && (posix_time < factor))
// factor = posix_time;
//if((pcre_time >= 0) && (pcre_time < factor))
// factor = pcre_time;
if((factor >= 0) && (factor < factor))
factor = factor;
}
};
extern std::list<results> result_list;
namespace b {
// boost tests:
double time_match(const std::string& re, const std::string& text);
double time_find_all(const std::string& re, const std::string& text);
}
//namespace posix {
//// posix tests:
//double time_match(const std::string& re, const std::string& text);
//double time_find_all(const std::string& re, const std::string& text);
//
//}
//namespace pcr {
//// pcre tests:
//double time_match(const std::string& re, const std::string& text);
//double time_find_all(const std::string& re, const std::string& text);
//
//}
namespace g {
// greta tests:
double time_match(const std::string& re, const std::string& text);
double time_find_all(const std::string& re, const std::string& text);
}
namespace gs {
// safe greta tests:
double time_match(const std::string& re, const std::string& text);
double time_find_all(const std::string& re, const std::string& text);
}
namespace dxpr {
// dynamic xpressive tests:
double time_match(const std::string& re, const std::string& text);
double time_find_all(const std::string& re, const std::string& text);
}
namespace sxpr {
// static xpressive tests:
double time_match(const std::string& re, const std::string& text);
double time_find_all(const std::string& re, const std::string& text);
}
void test_match(const std::string& re, const std::string& text, const std::string& description);
void test_find_all(const std::string& re, const std::string& text, const std::string& description);
inline void test_match(const std::string& re, const std::string& text)
{ test_match(re, text, text); }
inline void test_find_all(const std::string& re, const std::string& text)
{ test_find_all(re, text, ""); }
#define REPEAT_COUNT 10
#endif