mirror of https://github.com/Hilbis/Hilbish
111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
// The fs module provides easy and simple access to filesystem functions and other
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// things, and acts an addition to the Lua standard library's I/O and fs functions.
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package fs
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import (
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"strconv"
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"os"
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"strings"
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"hilbish/util"
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"github.com/yuin/gopher-lua"
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)
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func Loader(L *lua.LState) int {
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mod := L.SetFuncs(L.NewTable(), exports)
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util.Document(L, mod, `The fs module provides easy and simple access to
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filesystem functions and other things, and acts an
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addition to the Lua standard library's I/O and fs functions.`)
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L.Push(mod)
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return 1
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}
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var exports = map[string]lua.LGFunction{
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"cd": fcd,
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"mkdir": fmkdir,
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"stat": fstat,
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"readdir": freaddir,
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}
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// cd(dir)
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// Changes directory to `dir`
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// --- @param dir string
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func fcd(L *lua.LState) int {
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path := L.CheckString(1)
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err := os.Chdir(strings.TrimSpace(path))
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if err != nil {
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e := err.(*os.PathError).Err.Error()
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L.RaiseError(e + ": " + path)
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}
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return 0
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}
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// mkdir(name, recursive)
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// Makes a directory called `name`. If `recursive` is true, it will create its parent directories.
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// --- @param name string
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// --- @param recursive boolean
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func fmkdir(L *lua.LState) int {
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dirname := L.CheckString(1)
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recursive := L.ToBool(2)
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path := strings.TrimSpace(dirname)
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var err error
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if recursive {
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err = os.MkdirAll(path, 0744)
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} else {
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err = os.Mkdir(path, 0744)
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}
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if err != nil {
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L.RaiseError(err.Error() + ": " + path)
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}
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return 0
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}
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// stat(path)
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// Returns info about `path`
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// --- @param path string
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func fstat(L *lua.LState) int {
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path := L.CheckString(1)
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pathinfo, err := os.Stat(path)
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if err != nil {
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L.RaiseError(err.Error() + ": " + path)
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return 0
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}
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statTbl := L.NewTable()
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L.SetField(statTbl, "name", lua.LString(pathinfo.Name()))
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L.SetField(statTbl, "size", lua.LNumber(pathinfo.Size()))
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L.SetField(statTbl, "mode", lua.LString("0" + strconv.FormatInt(int64(pathinfo.Mode().Perm()), 8)))
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L.SetField(statTbl, "isDir", lua.LBool(pathinfo.IsDir()))
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L.Push(statTbl)
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return 1
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}
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// readdir(dir)
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// Returns a table of files in `dir`
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// --- @param dir string
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// --- @return table
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func freaddir(L *lua.LState) int {
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dir := L.CheckString(1)
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names := L.NewTable()
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dirEntries, err := os.ReadDir(dir)
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if err != nil {
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L.RaiseError(err.Error() + ": " + dir)
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return 0
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}
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for _, entry := range dirEntries {
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names.Append(lua.LString(entry.Name()))
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}
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L.Push(names)
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return 1
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}
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