mirror of
https://github.com/caddyserver/caddy.git
synced 2025-10-30 18:22:49 -04:00
65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
|
|
//
|
|
// 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 caddyscript
|
|
|
|
import (
|
|
"fmt"
|
|
"regexp"
|
|
|
|
"go.starlark.net/starlark"
|
|
)
|
|
|
|
// Regexp represents a regexp type for caddyscript.
|
|
type Regexp struct{}
|
|
|
|
// AttrNames defines what properties and methods are available on the Time type.
|
|
func (r Regexp) AttrNames() []string {
|
|
return []string{"match_string"}
|
|
}
|
|
|
|
// Attr defines what happens when props or methods are called on the Time type.
|
|
func (r Regexp) Attr(name string) (starlark.Value, error) {
|
|
switch name {
|
|
case "match_string":
|
|
b := starlark.NewBuiltin("match_string", r.MatchString)
|
|
b = b.BindReceiver(r)
|
|
return b, nil
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
// MatchString reports whether the string s contains any match of the regular expression pattern. More complicated queries need to use Compile and the full Regexp interface.
|
|
func (r Regexp) MatchString(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
|
|
var pattern, match string
|
|
err := starlark.UnpackPositionalArgs(fn.Name(), args, kwargs, 2, &pattern, &match)
|
|
if err != nil {
|
|
return starlark.None, fmt.Errorf("could not unpack args: %v", err.Error())
|
|
}
|
|
|
|
matched, err := regexp.MatchString(pattern, match)
|
|
if err != nil {
|
|
return starlark.False, fmt.Errorf("matchstring: %v", err.Error())
|
|
}
|
|
|
|
return starlark.Bool(matched), nil
|
|
}
|
|
|
|
func (r Regexp) Freeze() {}
|
|
func (r Regexp) Hash() (uint32, error) { return 0, fmt.Errorf("unhashable: Regexp") }
|
|
func (r Regexp) String() string { return "Regexp" }
|
|
func (r Regexp) Type() string { return "Regexp" }
|
|
func (r Regexp) Truth() starlark.Bool { return true }
|