From 22d8a615447a2a9e6d486b3c0f5f80d946ad56f5 Mon Sep 17 00:00:00 2001
From: TorchedSammy <38820196+TorchedSammy@users.noreply.github.com>
Date: Thu, 27 Jan 2022 17:02:21 -0400
Subject: [PATCH] feat: add hilbish.history interface (closes #85)

---
 api.go            |  5 +++++
 rl.go             | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 rl_hilbiline.go   | 37 ++++++++++++++++++++++++++++++
 rl_readline-go.go | 37 ++++++++++++++++++++++++++++++
 4 files changed, 136 insertions(+)

diff --git a/api.go b/api.go
index 1e85036..338b7cf 100644
--- a/api.go
+++ b/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
diff --git a/rl.go b/rl.go
index 209b644..4072944 100644
--- a/rl.go
+++ b/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
+}
diff --git a/rl_hilbiline.go b/rl_hilbiline.go
index 1095711..5370cbb 100644
--- a/rl_hilbiline.go
+++ b/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
+}
diff --git a/rl_readline-go.go b/rl_readline-go.go
index 24a1550..f22eb21 100644
--- a/rl_readline-go.go
+++ b/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
+}