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123 lines
2.5 KiB
123 lines
2.5 KiB
// ------------------------------------------------------------------------
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// Project atila
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name matcher_repo.go
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// Created by DEV
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// Modified 17/02/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package tokens
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import (
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"activething.com/go/gogo/core/opts"
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"regexp"
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"sync"
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)
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type (
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MatcherBuilder struct {
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sync.RWMutex
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matchers map[string]Matcher
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}
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)
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func NewMatcherBuilder(options ...opts.OptionFnc[MatcherBuilder]) *MatcherBuilder {
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return opts.Apply(&MatcherBuilder{
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matchers: make(map[string]Matcher),
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}, options...)
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}
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func (r *MatcherBuilder) Has(name string) bool {
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r.RLock()
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_,h := r.matchers[name]
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r.Unlock()
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return h
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}
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func (r *MatcherBuilder) Get(name string) (m Matcher) {
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r.RLock()
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m, _ = r.matchers[name]
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r.RUnlock()
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return m
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}
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func (r *MatcherBuilder) Set(name string, matcher Matcher) {
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r.Lock()
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if matcher == nil {
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delete(r.matchers,name)
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} else {
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r.matchers[name]=matcher
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}
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r.Unlock()
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}
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func (r *MatcherBuilder) Build (data []byte) (Matcher,error) {
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data = data[1:len(data)-1]
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if len(data) == 0 {
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return nil, G.ErrInvalidMatcher
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}
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// Si es un matcher con nombre, lo buscamos
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if data[0] == namedMatcher {
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nm := string(data[1:])
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if len(nm) == 0 {
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return nil, G.ErrInvalidMatcher
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}
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r.RLock()
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mc := r.matchers[nm]
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r.Unlock()
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if mc == nil {
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return nil, G.ErrMatcherNotFound
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}
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return mc,nil
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}
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if data[1] ==notMatcher {
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d := data[1:]
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if len(d) == 0 {
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return nil, G.ErrInvalidMatcher
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}
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return MatchFnc(NotMatchFn(d)),nil
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}
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r.Lock()
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nm := string(data)
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if mc := r.matchers[nm]; mc != nil {
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r.Unlock()
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return mc,nil
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}
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mc,er := regexp.Compile(nm)
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if er == nil {
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r.matchers[nm] = mc
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}
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r.Unlock()
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return nil, G.ErrInvalidMatcher.WithCause(er)
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} |