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// Copyright 2017 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package persist
import (
"strings"
"github.com/casbin/casbin/model"
)
// LoadPolicyLine loads a text line as a policy rule to model.
func LoadPolicyLine(line string, model model.Model) {
if line == "" {
return
}
if strings.HasPrefix(line, "#") {
return
}
tokens := strings.Split(line, ",")
for i := range tokens {
tokens[i] = strings.TrimSpace(tokens[i])
}
key := tokens[0]
sec := key[:1]
model[sec][key].Policy = append(model[sec][key].Policy, tokens[1:])
}
// Adapter is the interface for Casbin adapters.
type Adapter interface {
// LoadPolicy loads all policy rules from the storage.
LoadPolicy(model model.Model) error
// SavePolicy saves all policy rules to the storage.
SavePolicy(model model.Model) error
// AddPolicy adds a policy rule to the storage.
// This is part of the Auto-Save feature.
AddPolicy(sec string, ptype string, rule []string) error
// RemovePolicy removes a policy rule from the storage.
// This is part of the Auto-Save feature.
RemovePolicy(sec string, ptype string, rule []string) error
// RemoveFilteredPolicy removes policy rules that match the filter from the storage.
// This is part of the Auto-Save feature.
RemoveFilteredPolicy(sec string, ptype string, fieldIndex int, fieldValues ...string) error
}
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