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99 lines
2.1 KiB
99 lines
2.1 KiB
// ------------------------------------------------------------------------
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// Project active2
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// Active Thing (activething.com) git.activething.com/go
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//
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// File n non_escape_reader.go
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// Created by DEV
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// Modified 06/04/2024
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//
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// Copyright 2024 activething.com
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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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// ------------------------------------------------------------------------
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package ansi
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import (
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"bufio"
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"io"
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)
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type (
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NonEscapeReader struct {
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pos int
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unescaped []byte
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reader io.Reader
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}
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)
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func NewNonEscapeReader (reader io.Reader) *NonEscapeReader {
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r := bufio.NewReader(reader)
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return &NonEscapeReader{
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reader : r,
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unescaped : make([]byte,0,r.Size()),
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}
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}
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/*
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func (r *NonEscapeReader) Read (p []byte) (n int, e error) {
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n := 0
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for {
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// Read a byte from the underlying reader
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b, err := f.Reader.ReadByte()
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if err == io.EOF {
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break
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}
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if err != nil {
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return n, err
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}
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// If not an escape character, write it to the output buffer
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if !escapeMap[b] {
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p[n] = b
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n++
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continue
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}
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// If escape character, skip the next byte
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next, err := SkipEscape(f.Reader, escapeMap)
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if err != nil {
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return n, err
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}
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// Update reader position to reflect skipped bytes
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f.pos += next - f.pos
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}
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return n, nil
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}
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func skipEscape(r *bufio.Reader, escapeMap [255]byte) (int, error) {
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for {
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b, err := r.ReadByte()
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if err == io.EOF {
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return 0, errors.New("Incomplete escape sequence")
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}
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if err != nil {
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return 0, err
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}
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if !escapeMap[b] {
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return r.Pos(), nil
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}
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}
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}
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*/ |