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TengoModifyMessage allows you to specify the location of a tengo (https://github.com/d5/tengo/) script. This script will receive every incoming message and can be used to modify the Username and the Text of that message. The script will have the following global variables: to modify: msgUsername and msgText to read: msgChannel and msgAccount The script is reloaded on every message, so you can modify the script on the fly. Example script can be found in https://github.com/42wim/matterbridge/tree/master/gateway/bench.tengo and https://github.com/42wim/matterbridge/tree/master/contrib/example.tengo The example below will check if the text contains blah and if so, it'll replace the text and the username of that message. text := import("text") if text.re_match("blah",msgText) { msgText="replaced by this" msgUsername="fakeuser" } More information about tengo on: https://github.com/d5/tengo/blob/master/docs/tutorial.md and https://github.com/d5/tengo/blob/master/docs/stdlib.md
77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package objects
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import (
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"bytes"
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"github.com/d5/tengo/compiler/token"
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)
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// Bytes represents a byte array.
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type Bytes struct {
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Value []byte
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}
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func (o *Bytes) String() string {
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return string(o.Value)
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}
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// TypeName returns the name of the type.
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func (o *Bytes) TypeName() string {
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return "bytes"
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}
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// BinaryOp returns another object that is the result of
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// a given binary operator and a right-hand side object.
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func (o *Bytes) BinaryOp(op token.Token, rhs Object) (Object, error) {
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switch op {
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case token.Add:
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switch rhs := rhs.(type) {
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case *Bytes:
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return &Bytes{Value: append(o.Value, rhs.Value...)}, nil
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}
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}
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return nil, ErrInvalidOperator
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}
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// Copy returns a copy of the type.
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func (o *Bytes) Copy() Object {
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return &Bytes{Value: append([]byte{}, o.Value...)}
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}
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// IsFalsy returns true if the value of the type is falsy.
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func (o *Bytes) IsFalsy() bool {
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return len(o.Value) == 0
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}
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// Equals returns true if the value of the type
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// is equal to the value of another object.
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func (o *Bytes) Equals(x Object) bool {
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t, ok := x.(*Bytes)
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if !ok {
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return false
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}
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return bytes.Compare(o.Value, t.Value) == 0
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}
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// IndexGet returns an element (as Int) at a given index.
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func (o *Bytes) IndexGet(index Object) (res Object, err error) {
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intIdx, ok := index.(*Int)
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if !ok {
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err = ErrInvalidIndexType
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return
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}
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idxVal := int(intIdx.Value)
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if idxVal < 0 || idxVal >= len(o.Value) {
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res = UndefinedValue
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return
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}
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res = &Int{Value: int64(o.Value[idxVal])}
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return
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}
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