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package main
import (
"fmt"
"os"
//"io"
"bufio"
"strings"
"time"
"github.com/pborman/getopt/v2"
"github.com/aarzilli/nucular"
_"github.com/aarzilli/nucular/label"
nstyle "github.com/aarzilli/nucular/style"
)
var (
scaling = 1.1
Wnd nucular.MasterWindow
theme nstyle.Theme
dat []data
interArgs,empty []string
hea,filename,themestr,exitbut string
help, border, resize, move, scroll, menubar bool
countd int = 0
version string
compdate string
//timer time.Timer
)
type data struct {
title string
textl []string
textr []string
}
func init() {
filename = "example.cheat"
exitbut = "QUIT"
getopt.FlagLong(&border, "no-border", 'b', "Remove Borders")
getopt.FlagLong(&resize, "no-resize", 'r', "Prohibit resizing")
getopt.FlagLong(&move, "no-translate", 't', "Prohibit window moving")
getopt.FlagLong(&scroll, "no-scroll", 's', "Prohibit scrollibars")
getopt.FlagLong(&menubar, "no-menu", 'm', "Dont Show Menu")
getopt.FlagLong(&scaling, "magnify", 'g', "Magnification level")
getopt.FlagLong(&countd, "count-down", 'd', "Set Count down in seconds for auto-quit")
getopt.FlagLong(&themestr, "color-theme", 'c', "Specify Theme")
getopt.FlagLong(&help, "help", 'h', "Show Program Usage")
getopt.FlagLong(&filename, "file", 'f', "The textfile to be parsed and displayed")
getopt.FlagLong(&exitbut, "quit-button", 'q', "Label of the Quit Button")
}
func main() {
//timer := time.NewTimer(time.Second*time.Duration(countd*1000))
//defer timer.Stop()
go func() {
//<-timer.C
time.Sleep(time.Duration(countd)*time.Second)
if countd>0 {
fmt.Println("Timer of",countd,"s has Ended")
os.Exit(0)
}
}()
info, err := os.Stdin.Stat()
if err != nil {
panic(err)
}
getopt.Parse()
interArgs = getopt.Args()
additions := false
border = !border
resize = !resize
move = !move
scroll = !scroll
menubar = !menubar
//fmt.Println(info)
if len(interArgs) > 0 {
//fmt.Println("Unknown Arguments:",interArgs)
additions = true
} else {
/*fmt.Println("No Args")
fmt.Println("Border",border)
fmt.Println("Resize",resize)
fmt.Println("Translate",move)
fmt.Println("Scroll",scroll)
fmt.Println("Menubar",menubar)
fmt.Println("magn",scaling)*/
}
if info.Mode()&os.ModeCharDevice == os.ModeCharDevice {
//fmt.Println("No Piped Content detected.")
if additions && filename=="example.cheat"{
empty = append(empty,"")
var one []string
txt := strings.TrimPrefix(fmt.Sprintln(interArgs),"[")
one = append(one,txt[:len(txt)-2])
dat = append(dat,data{"",one,empty})
}else{
hea,dat = parseFile(loadFile(filename))
}
}else{
hea,dat = parseFile(bufio.NewScanner(os.Stdin))
}
if help {
showHelp()
}
if themestr != "" {
switch themestr {
case "Dark":
theme = nstyle.DarkTheme
case "Default":
theme = nstyle.DefaultTheme
case "Red":
theme = nstyle.RedTheme
case "White":
theme = nstyle.WhiteTheme
default:
fmt.Println("Unknown Theme",themestr,". Falling back to Dark Theme")
theme = nstyle.DarkTheme
}
}else{
theme = nstyle.DarkTheme
}
//hea,dat = loadfile(filename)
nw := newFenestraWindow()
nw.Theme = theme
Wnd = nucular.NewMasterWindow(0,hea, nw.masterWindow)
Wnd.SetStyle(nstyle.FromTheme(theme, scaling))
Wnd.Main()
}
func showHelp() {
fmt.Printf("Usage of %s Version %s:\n A simple and Customizable Cheatsheet viewer.\n When No Text is piped and no File specified the Parameters\n will be shown as Text.\n\n", os.Args[0], version)
getopt.Usage()
os.Exit(0)
}
func loadFile(filename string) (out *bufio.Scanner) {
f, err := os.Open(filename)
if err != nil {
if filename=="example.cheat" {
fmt.Println("Example File cannot be Found")
showHelp()
}else{
//fmt.Println("Filename",filename,"was not found!")
fmt.Println(err)
os.Exit(1)
}
}
out = bufio.NewScanner(f)
return
}
func parseFile(in *bufio.Scanner) (head string,out []data){
scanner := in
title := ""
keys := []string{}
info := []string{}
for scanner.Scan() {
li := scanner.Text()
line := strings.Replace(li,"\t","",-1)
if strings.HasPrefix(line,"//") {
continue
}
if strings.HasPrefix(line,"***") {
head = line[3:]
continue
}
if strings.HasPrefix(line,"##") {
//if title != "" {
out = append(out,data{title,keys,info})
//}
title = line[2:]
keys = nil
info = nil
}else{
if line != "" {
if strings.Contains(line, "--"){
da := strings.Split(line,"--")
keys = append(keys,da[0])
info = append(info,da[1])
}else{
keys = append(keys,line)
info = append(info,"")
}
}
}
}
out = append(out,data{title,keys,info})
return
}
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