URL Params Matcher - Go

params_matcher.go

package main

import (
	"fmt"
	"regexp"
	"time"
)

const ParamsRegexPattern = "(:[\\w_]+)"

type URIMatcher struct {
	ParamsMatcher *regexp.Regexp
}

func (um *URIMatcher) Check(schema, real string) (b bool) {
	wildcardParamSelector := um.ParamsMatcher.ReplaceAllString(schema, ".+?")
	return regexp.MustCompile(wildcardParamSelector).MatchString(real)
}

func main() {
	parregex, _ := regexp.Compile(ParamsRegexPattern)
	um := URIMatcher{ParamsMatcher: parregex}

	// Basic Matching
	fmt.Println("Matching A:", um.Check("http://coba.com/:data/oke/:data", "http://coba.com/123/oke/something"))
	fmt.Println("Matching B:", um.Check("http://coba.com/:data/oke/:data", "http://coba.com/123/oke"))

	// Benchmarking Basic
	st := time.Now()
	for i := 0; i < 1000; i++ {
		ok := um.Check("http://coba.com/:data/oasdasdaskeoasdasdaskeoasdasdaskeoasdasdaske/:data/oke/:data/oke/", "http://coba.com/123/oasdasdaskeoasdasdaskeoasdasdaskeoasdasdaske/123/oke/123/oke/")
		if !ok {
			panic("wrong result!")
		}
	}
	dur := time.Since(st)
	fmt.Println("1000 matching done in", dur, "est ops latency", dur/1000)

	// Printed Result:
	// Matching A: true
	// Matching B: false
	// 1000 matching done in 23.416141ms est ops latency 23.416µs
}