52 lines
1.1 KiB
Go
Executable File
52 lines
1.1 KiB
Go
Executable File
//Copyright 2013 Vastech SA (PTY) LTD
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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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package util
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import (
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"fmt"
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)
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func RuneToString(r rune) string {
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if r >= 0x20 && r < 0x7f {
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return fmt.Sprintf("'%c'", r)
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}
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switch r {
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case 0x07:
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return "'\\a'"
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case 0x08:
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return "'\\b'"
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case 0x0C:
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return "'\\f'"
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case 0x0A:
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return "'\\n'"
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case 0x0D:
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return "'\\r'"
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case 0x09:
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return "'\\t'"
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case 0x0b:
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return "'\\v'"
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case 0x5c:
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return "'\\\\\\'"
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case 0x27:
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return "'\\''"
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case 0x22:
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return "'\\\"'"
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}
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if r < 0x10000 {
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return fmt.Sprintf("\\u%04x", r)
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}
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return fmt.Sprintf("\\U%08x", r)
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}
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