feat: add hilbish.history interface (closes #85)

api.go

@@ -84,6 +84,11 @@ The nice lil shell for {blue}Lua{reset} fanatics!
 	util.Document(L, aliasesModule, "Alias inferface for Hilbish.")
 	L.SetField(mod, "aliases", aliasesModule)
 
+	// hilbish.history table
+	historyModule := lr.Loader(L)
+	util.Document(L, historyModule, "History interface for Hilbish.")
+	L.SetField(mod, "history", historyModule)
+
 	L.Push(mod)
 
 	return 1

lua.go

@@ -12,7 +12,7 @@ import (
 	"github.com/yuin/gopher-lua"
 )
 
-var minimalconf = `prompt '& '`
+var minimalconf = `hilbish.prompt '& '`
 
 func luaInit() {
 	l = lua.NewState()

main.go

@@ -184,6 +184,7 @@ input:
 			// If we get a completely random error, print
 			fmt.Fprintln(os.Stderr, err)
 		}
+		oldInput := input
 
 		input = strings.TrimSpace(input)
 		if len(input) == 0 {
@@ -202,7 +203,11 @@ input:
 				}
 			}
 		}
-		handleHistory(input)
+
+		// if input has space at the beginning, dont put in history
+		if !strings.HasPrefix(oldInput, " ") {
+			handleHistory(input)
+		}
 		runInput(input)
 
 		termwidth, _, err := term.GetSize(0)

rl.go

@@ -205,3 +205,60 @@ func (lr *lineReader) ClearInput() {
 func (lr *lineReader) Resize() {
 	readline.Resize()
 }
+
+// lua module
+func (lr *lineReader) Loader(L *lua.LState) *lua.LTable {
+	lrLua := map[string]lua.LGFunction{
+		"add": lr.luaAddHistory,
+		"all": lr.luaAllHistory,
+		"clear": lr.luaClearHistory,
+		"get": lr.luaGetHistory,
+		"size": lr.luaSize,
+	}
+
+	mod := L.SetFuncs(L.NewTable(), lrLua)
+
+	return mod
+}
+
+func (lr *lineReader) luaAddHistory(l *lua.LState) int {
+	cmd := l.CheckString(1)
+	lr.AddHistory(cmd)
+
+	return 0
+}
+
+func (lr *lineReader) luaSize(l *lua.LState) int {
+	l.Push(lua.LNumber(readline.HistorySize()))
+
+	return 1
+}
+
+func (lr *lineReader) luaGetHistory(l *lua.LState) int {
+	idx := l.CheckInt(1)
+	cmd := readline.GetHistory(idx)
+	l.Push(lua.LString(cmd))
+
+	return 1
+}
+
+func (lr *lineReader) luaAllHistory(l *lua.LState) int {
+	tbl := l.NewTable()
+	size := readline.HistorySize()
+
+	for i := 0; i < size; i++ {
+		cmd := readline.GetHistory(i)
+		tbl.Append(lua.LString(cmd))
+	}
+
+	l.Push(tbl)
+
+	return 1
+}
+
+func (lr *lineReader) luaClearHistory(l *lua.LState) int {
+	readline.ClearHistory()
+	readline.SaveHistory(defaultHistPath)
+
+	return 0
+}

rl_hilbiline.go

@@ -41,3 +41,40 @@ func (lr *lineReader) Resize() {
 	return
 }
 
+// lua module
+func (lr *lineReader) Loader() *lua.LTable {
+	lrLua := map[string]lua.LGFunction{
+		"add": lr.luaAddHistory,
+		"all": lr.luaAllHistory,
+		"clear": lr.luaClearHistory,
+		"get": lr.luaGetHistory,
+		"size": lr.luaSize,
+	}
+
+	mod := l.SetFuncs(l.NewTable(), lrLua)
+
+	return mod
+}
+
+func (lr *lineReader) luaAddHistory(l *lua.LState) int {
+	cmd := l.CheckString(1)
+	lr.AddHistory(cmd)
+
+	return 0
+}
+
+func (lr *lineReader) luaSize(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaGetHistory(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaAllHistory(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaClearHistory(l *lua.LState) int {
+	return 0
+}

rl_readline-go.go

@@ -63,3 +63,40 @@ func (lr *lineReader) Resize() {
 	return
 }
 
+// lua module
+func (lr *lineReader) Loader() *lua.LTable {
+	lrLua := map[string]lua.LGFunction{
+		"add": lr.luaAddHistory,
+		"all": lr.luaAllHistory,
+		"clear": lr.luaClearHistory,
+		"get": lr.luaGetHistory,
+		"size": lr.luaSize,
+	}
+
+	mod := l.SetFuncs(l.NewTable(), lrLua)
+
+	return mod
+}
+
+func (lr *lineReader) luaAddHistory(l *lua.LState) int {
+	cmd := l.CheckString(1)
+	lr.AddHistory(cmd)
+
+	return 0
+}
+
+func (lr *lineReader) luaSize(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaGetHistory(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaAllHistory(l *lua.LState) int {
+	return 0
+}
+
+func (lr *lineReader) luaClearHistory(l *lua.LState) int {
+	return 0
+}