v2ray-core/common/strmatcher/matchergroup_full.go

package strmatcher

// FullMatcherGroup is an implementation of MatcherGroup.
// It uses a hash table to facilitate exact match lookup.
type FullMatcherGroup struct {
	matchers map[string][]uint32
}

// AddFullMatcher implements MatcherGroupForFull.AddFullMatcher.
func (g *FullMatcherGroup) AddFullMatcher(matcher FullMatcher, value uint32) {
	if g.matchers == nil {
		g.matchers = make(map[string][]uint32)
	}

	domain := matcher.Pattern()
	g.matchers[domain] = append(g.matchers[domain], value)
}

// Match implements MatcherGroup.Match.
func (g *FullMatcherGroup) Match(input string) []uint32 {
	if g.matchers == nil {
		return nil
	}
	return g.matchers[input]
}

// MatchAny implements MatcherGroup.Any.
func (g *FullMatcherGroup) MatchAny(input string) bool {
	return len(g.Match(input)) > 0
}