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output.go
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output.go
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package aoc
import (
"fmt"
"os"
"strconv"
"strings"
)
func VISUAL() bool {
return os.Getenv("AoC_VISUAL") != ""
}
func Screen() (int, int) {
if !VISUAL() {
return 80, 24
}
v := strings.Split(os.Getenv("AoC_VISUAL"), "x")
col, err := strconv.Atoi(v[0])
if err != nil {
panic("Invalid screen defined in AoC_VISUAL bad column number")
}
row, err := strconv.Atoi(v[1])
if err != nil {
panic("Invalid screen defined in AoC_VISUAL bad row number")
}
return col, row
}
func Red(s string) string {
return fmt.Sprintf("\033[31m%s\033[37m", s)
}
func Cyan(s string) string {
return fmt.Sprintf("\033[36m%s\033[37m", s)
}
func Yellow(s string) string {
return fmt.Sprintf("\033[33m%s\033[37m", s)
}
func Blue(s string) string {
return fmt.Sprintf("\033[34m%s\033[37m", s)
}
func Green(s string) string {
return fmt.Sprintf("\033[32m%s\033[37m", s)
}
func Magenta(s string) string {
return fmt.Sprintf("\033[35m%s\033[37m", s)
}
func Bold(s string) string {
return fmt.Sprintf("\033[7m%s\033[27m", s)
}
func ClearScreen() string {
return "\033[3K\033[H\033[2J"
}
func CursorTo(x int, y int) string {
return fmt.Sprintf("\033[%d;%dH", y, x)
}