DEV
3 years ago
parent
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// ------------------------------------------------------------------------
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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 name color.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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type (
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colorInfo struct {
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name []byte
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fgEsc []byte
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bgEsc []byte
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}
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)
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// ------------------------------------------------------------------------
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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 name text-info.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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type (
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textInfo struct {
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name []byte
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esc []byte
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}
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)
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@ -0,0 +1,240 @@
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// ------------------------------------------------------------------------
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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 name code.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 "strings"
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const (
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ColorNone Code = iota
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ColorBlack
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ColorRed
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ColorGreen
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ColorYellow
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ColorBlue
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ColorMagenta
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ColorCyan
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ColorWhite
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ColorHBlack
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ColorHRed
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ColorHGreen
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ColorHYellow
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ColorHBlue
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ColorHMagenta
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ColorHCyan
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ColorHWhite
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ColorDefault
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)
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const (
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TextBoldOn Code = 1024 << iota
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TextUnderlineOn
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TextBlinkOn
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TextBoldOff
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TextUnderlineOff
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TextBlinkOff
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//bgMask Code = 0b0000000000011111
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bgMask Code = 0b1111110000011111
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fgMask Code = 0b1111111111100000
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clMask Code = 0b0000001111111111
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txMask Code = 0b1111110000000000
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bgShift int = 5
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)
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type (
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Code uint16
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)
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func (c Code) Atts () string {
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if c == 0 {
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return ""
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}
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var r []string
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m := c & txMask
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if m != 0 {
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dc := TextBoldOn
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for i:=0; i<6; i++ {
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if m & dc != 0 {
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r = append(r,string(G.itx[i].name))
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}
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dc <<= 1
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}
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}
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r = append(r,strings.Join([]string{c.FgColorName(),c.BgColorName()},":"))
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return strings.Join(r,";")
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}
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func (c Code) Clear () Code {
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return 0 }
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func (c Code) ClearColor () Code {
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return c & txMask }
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func (c Code) ClearText () Code {
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return c & clMask }
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func (c Code) FgColor() Code {
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return (c & clMask) & bgMask }
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func (c Code) SetFgColor(color Code) Code {
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return (c & fgMask) | color& bgMask }
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func (c Code) FgColorName () string {
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return string(G.ics[(c & clMask) & bgMask].name) }
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func (c Code) BgColor() Code {
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return ((c & clMask) & fgMask) >> bgShift }
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func (c Code) SetBgColor(color Code) Code {
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return (c & bgMask) | (color<< bgShift) & fgMask }
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func (c Code) BgColorName () string {
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return string(G.ics[((c & clMask) & fgMask) >> bgShift].name) }
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func (c Code) Colors () (Code,Code) {
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return (c & clMask) & bgMask, ((c & clMask) & fgMask) >> bgShift }
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func (c Code) SetColors(fg, bg Code) Code {
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return c.SetFgColor(fg).SetBgColor(bg) }
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func (c Code) IsBoldOn () bool {
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return c & TextBoldOn != 0 }
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func (c Code) IsBoldOff() bool {
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return c & TextBoldOff != 0 }
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func (c Code) IsBlinkOn() bool {
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return c & TextBlinkOn != 0 }
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func (c Code) IsBlinkOff() bool {
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return c & TextBlinkOff != 0 }
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func (c Code) IsUnderlineOn () bool {
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return c & TextUnderlineOn != 0 }
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func (c Code) IsUnderlineOff() bool {
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return c & TextUnderlineOff != 0 }
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func (c Code) SetBold (on bool) Code {
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if on {
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return (c &^ TextBoldOff) | TextBoldOn
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}
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return (c &^ TextBoldOn) | TextBoldOff
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}
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func (c Code) SetBlink (on bool) Code {
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if on {
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return (c &^ TextBlinkOff) | TextBlinkOn
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}
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return (c &^ TextBlinkOn) | TextBlinkOff
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}
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func (c Code) SetUnderline (on bool) Code {
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if on {
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return (c &^ TextUnderlineOff) | TextUnderlineOn
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}
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return (c &^ TextUnderlineOn) | TextUnderlineOff
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}
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func (c Code) scapeText () []byte {
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m := c & txMask
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if m == 0 {
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return nil
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}
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var r []byte
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dc := TextBoldOn
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for i:=0; i<6; i++ {
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if m & dc != 0 {
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if r != nil {
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r = append(r,';')
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}
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r = append(r,G.itx[i].esc...)
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}
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dc <<= 1
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}
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return r
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}
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func (c Code) scapeColor () []byte {
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m := c & clMask
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if m == 0 {
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return nil
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}
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var r []byte
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f := m & bgMask
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b := (m & fgMask) >> bgShift
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if f != 0 {
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r = append(r,G.ics[f].fgEsc...)
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}
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if b != 0 {
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if f > 0 {
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r=append(r,';')
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}
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r = append(r,G.ics[b].bgEsc...)
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}
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return r
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}
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func (c Code) escape () []byte {
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if c == 0 {
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return []byte{'0'}
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}
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st := c.scapeText ()
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sc := c.scapeColor()
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if len(sc) == 0 {
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return st
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}
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if len(st) == 0 {
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return sc
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}
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return append(st,append([]byte{';'},sc...)...)
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}
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func (c Code) Escape() string {
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if c == 0 {
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return string(G.clearEscape)
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}
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r := c.escape()
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return string(append(G.beginEscape, append(r, G.endEscape...)...))
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}
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