126 lines
3 KiB
Go
126 lines
3 KiB
Go
//go:build ignore
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/*
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* Copyright (c) 2018 Unrud <unrud@outlook.com>
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*
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* This file is part of Remote-Touchpad.
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*
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* Remote-Touchpad is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Remote-Touchpad is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"bufio"
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"fmt"
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"io"
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"os"
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"regexp"
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"sort"
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"strconv"
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)
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type Keysym int32
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const (
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keysymdefHeader string = "/usr/include/X11/keysymdef.h"
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output string = "keysyms.generated.go"
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maxMappedUnicode rune = 0xff
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)
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var overrideKeysyms = map[string]rune{
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"XK_BackSpace": 0x08,
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"XK_Tab": 0x09,
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"XK_Linefeed": 0x0a,
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"XK_Clear": 0x0b,
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"XK_Return": 0x0d,
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"XK_Pause": 0x13,
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"XK_Scroll_Lock": 0x14,
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"XK_Sys_Req": 0x15,
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"XK_Escape": 0x1b,
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}
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func main() {
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f, err := os.Open(keysymdefHeader)
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if err != nil {
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panic(err)
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}
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defer f.Close()
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reader := bufio.NewReader(f)
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re := regexp.MustCompile("^\\#define " +
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"(XK_[a-zA-Z_0-9]+)\\s+" + // keysymName
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"0x([0-9a-f]+)\\s*" + // keysym
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"(?:/\\*\\s*(?:U\\+([0-9A-F]{4,6}))?.*\\*/\\s*)?" + // keysymUnicode (optional)
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"$")
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keysymsMap := make(map[rune]Keysym)
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for {
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l, err := reader.ReadString('\n')
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if err == io.EOF {
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break
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} else if err != nil {
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panic(err)
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}
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submatches := re.FindStringSubmatch(l)
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if len(submatches) == 0 {
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continue
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}
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keysymName := submatches[1]
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keysymTemp, err := strconv.ParseInt(submatches[2], 16, 32)
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keysym := Keysym(keysymTemp)
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if err != nil {
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panic(err)
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}
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unicode, found := overrideKeysyms[keysymName]
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if !found {
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if len(submatches[3]) == 0 {
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continue
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}
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unicodeTemp, err := strconv.ParseInt(submatches[3], 16, 32)
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unicode = rune(unicodeTemp)
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if err != nil {
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panic(err)
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}
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}
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if unicode > maxMappedUnicode {
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continue
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}
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if _, found := keysymsMap[unicode]; found {
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continue
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}
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keysymsMap[unicode] = keysym
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}
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content := "// Code generated by keysyms.generator.go. DO NOT EDIT.\n" +
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"//go:build portal || x11\n\n" +
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"package inputcontrol\n\n" +
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"var keysymsMap = map[rune]Keysym{\n"
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keys := make([]rune, 0)
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for key := range keysymsMap {
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keys = append(keys, key)
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}
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sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] })
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for _, unicode := range keys {
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keysym := keysymsMap[unicode]
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content += fmt.Sprintf("\t0x%04x: 0x%08x,\n", unicode, keysym)
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}
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content += "}\n"
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o, err := os.Create(output)
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if err != nil {
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panic(err)
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}
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defer o.Close()
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if _, err := o.WriteString(content); err != nil {
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panic(err)
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}
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}
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