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go-ncurses
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Removed LoadedFunction struct

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noah metz 2024-04-23 15:05:01 -06:00
parent 10449a124f
commit 281f038f5f
1 changed files with 19 additions and 43 deletions
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62
ncurses.go
Unescape Escape View File

@ -1,7 +1,6 @@
package ncurses
import (
"fmt"
"sync/atomic"
"github.com/ebitengine/purego"
@ -9,41 +8,18 @@ import (
var ncurses atomic.Value
func Init() error {
func ncursesFunction[T any](name string) T {
if ncurses.Load() == nil {
lib, err := purego.Dlopen(LIBRARY_PATH, purego.RTLD_GLOBAL | purego.RTLD_LAZY)
if err != nil {
return err
panic(err)
}
ncurses.CompareAndSwap(nil, lib)
}
return nil
}
type loaded_function[T any] struct {
name string
value atomic.Value
library *atomic.Value
}
func NewLoadedFunction[T any](library *atomic.Value, name string) loaded_function[T] {
return loaded_function[T]{
name: name,
value: atomic.Value{},
library: library,
}
}
func(f *loaded_function[T]) Load() T {
if f.library.Load() == nil {
panic(fmt.Sprintf("Attempted to call library function %s before loading library", f.name))
} else if f.value.Load() == nil {
var tmp T
purego.RegisterLibFunc(&tmp, f.library.Load().(uintptr), f.name)
f.value.CompareAndSwap(nil, tmp)
}
return f.value.Load().(T)
var tmp = new(T)
purego.RegisterLibFunc(tmp, ncurses.Load().(uintptr), name)
return *tmp
}
type Window uintptr
@ -52,28 +28,28 @@ type voidFP func() int
type winFP func(window Window) int
type initscrFP func() Window
var InitScr = NewLoadedFunction[initscrFP](&ncurses, "initscr")
var EndWin = NewLoadedFunction[voidFP](&ncurses, "endwin")
var InitScr = ncursesFunction[initscrFP]("initscr")
var EndWin = ncursesFunction[voidFP]("endwin")
type newwinFP func(nlines, ncols, begin_x, begin_y int) Window
var NewWin = NewLoadedFunction[newwinFP](&ncurses, "newwin")
var DelWin = NewLoadedFunction[winFP](&ncurses, "delwin")
var NewWin = ncursesFunction[newwinFP]("newwin")
var DelWin = ncursesFunction[winFP]("delwin")
type dupwinFP func(window Window) Window
var DupWin = NewLoadedFunction[dupwinFP](&ncurses, "dupwin")
var DupWin = ncursesFunction[dupwinFP]("dupwin")
var Refresh = NewLoadedFunction[voidFP](&ncurses, "refresh")
var WRefresh = NewLoadedFunction[winFP](&ncurses, "wrefresh")
var WNOutRefresh = NewLoadedFunction[winFP](&ncurses, "wnoutrefresh")
var DoUpdate = NewLoadedFunction[voidFP](&ncurses, "doupdate")
var Refresh = ncursesFunction[voidFP]("refresh")
var WRefresh = ncursesFunction[winFP]("wrefresh")
var WNOutRefresh = ncursesFunction[winFP]("wnoutrefresh")
var DoUpdate = ncursesFunction[voidFP]("doupdate")
type waddstrFP func(window Window, str string) int
var WAddStr = NewLoadedFunction[waddstrFP](&ncurses, "waddstr")
var WAddStr = ncursesFunction[waddstrFP]("waddstr")
type waddnstrFP func(window Window, str string, n int) int
var WAddNStr = NewLoadedFunction[waddstrFP](&ncurses, "waddnstr")
var WAddNStr = ncursesFunction[waddstrFP]("waddnstr")
var GetMaxY = NewLoadedFunction[winFP](&ncurses, "getmaxy")
var GetMaxX = NewLoadedFunction[winFP](&ncurses, "getmaxx")
var GetMaxY = ncursesFunction[winFP]("getmaxy")
var GetMaxX = ncursesFunction[winFP]("getmaxx")
type mvwaddstrFP func(window Window, x, y int, str string) int
var MvWAddStr = NewLoadedFunction[mvwaddstrFP](&ncurses, "mvwaddstr")
var MvWAddStr = ncursesFunction[mvwaddstrFP]("mvwaddstr")