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/*
* govis: unicode aware vis(3) encoding implementation
* Copyright (C) 2017 SUSE LLC.
*
* 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 govis
// VisFlag manipulates how the characters are encoded/decoded
type VisFlag uint
// vis() has a variety of flags when deciding what encodings to use. While
// mtree only uses one set of flags, implementing them all is necessary in
// order to have compatibility with BSD's vis() and unvis() commands.
const (
VisOctal VisFlag = (1 << iota) // VIS_OCTAL: Use octal \ddd format.
VisCStyle // VIS_CSTYLE: Use \[nrft0..] where appropriate.
VisSpace // VIS_SP: Also encode space.
VisTab // VIS_TAB: Also encode tab.
VisNewline // VIS_NL: Also encode newline.
VisSafe // VIS_SAFE: Encode unsafe characters.
VisNoSlash // VIS_NOSLASH: Inhibit printing '\'.
VisHTTPStyle // VIS_HTTPSTYLE: HTTP-style escape %xx.
VisGlob // VIS_GLOB: Encode glob(3) magics.
visMask VisFlag = (1 << iota) - 1 // Mask of all flags.
VisWhite VisFlag = (VisSpace | VisTab | VisNewline)
)
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