feat: made better interfaces and more generalized approach to use THT.

cmd/tht/main.go

@@ -1,11 +1,10 @@
 package main
 
 import (
-	"vultras.su/util/tpp/httpx"
+	"surdeus.su/util/tpp/httpx"
 	"os"
 )
 
 func main() {
 	httpx.Tool.Run(os.Args[1:])
 }
-

cmd/tpp/main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"vultras.su/util/tpp"
+	"surdeus.su/util/tpp"
 	"os"
 )
 

go.mod

@@ -1,4 +1,4 @@
-module vultras.su/util/tpp
+module surdeus.su/util/tpp
 
 go 1.21.7
 

httpx/handler.go

@@ -1,7 +1,7 @@
 package httpx
 
 import (
-	"vultras.su/util/tpp"
+	"surdeus.su/util/tpp"
 	"path/filepath"
 	"net/http"
 	"context"
@@ -20,14 +20,28 @@ type Handler struct {
 	// THe field represents
 	// where we store site's
 	// source files and request handlers.
-	SourcePath string
+	sourcePath string
 	// Preprocessor must be set by user
 	// to be able to bring custom features in.
-	PP *tpp.Preprocessor
+	pp *tpp.Preprocessor
 	// Aditional extension. ".tpp" by default.
 	// For example "file.html.tpp" will be
 	// first preprocessed TPP and sent back as simple HTML.
-	Ext string
+	ext string
+}
+
+// Returns the new Handler with
+// specified preprocessor, source path and
+// extension.
+func NewHandler(
+	pp *tpp.Preprocessor,
+	src, ext string,
+) *Handler {
+	ret := &Handler{}
+	ret.sourcePath = src
+	ret.ext = ext
+	ret.pp = pp
+	return ret
 }
 
 func (h *Handler) ServeHTTP(
@@ -40,10 +54,10 @@ func (h *Handler) ServeHTTP(
 	urlExt := path.Ext(urlPath)
 
 	filePath := filepath.Join(
-		filepath.FromSlash(h.SourcePath),
+		filepath.FromSlash(h.sourcePath),
 		filepath.FromSlash(urlPath),
 	)
-	filePathTpp := filePath + h.Ext
+	filePathTpp := filePath + h.ext
 
 	//log.Println("pth:", urlPath, filePathTpp)
 	file, err := os.Open(filePathTpp)
@@ -62,7 +76,13 @@ func (h *Handler) ServeHTTP(
 	ctx := context.WithValue(r.Context(), KeyRequest, &Request{
 		Request: r,
 	})
-	processedData, err := h.PP.Process(
+
+	// Setting before the code to let it change own
+	// content type.
+	contentType := mime.TypeByExtension(urlExt)
+	w.Header().Set("Content-Type", contentType)
+
+	processedData, err := h.pp.Process(
 		ctx,
 		true,
 		filePathTpp,
@@ -74,7 +94,5 @@ func (h *Handler) ServeHTTP(
 		return
 	}
 
-	contentType := mime.TypeByExtension(urlExt)
-	w.Header().Set("Content-Type", contentType)
 	w.Write(processedData)
 }

httpx/module.go

@@ -0,0 +1,24 @@
+package httpx
+
+import "github.com/d5/tengo/v2"
+import "github.com/d5/tengo/v2/stdlib"
+import "surdeus.su/util/tpp/paths"
+
+var Modules = map[string]tengo.Importable{
+	"paths": paths.Module,
+}
+
+var Stdlib = stdlib.GetModuleMap(stdlib.AllModuleNames()...)
+
+type ModuleGetter struct{}
+
+func (m *ModuleGetter) Get(
+	name string,
+) tengo.Importable {
+	module, exist := Modules[name]
+	if exist {
+		return module
+	}
+
+	return Stdlib.Get(name)
+}

httpx/request.go

@@ -3,6 +3,7 @@ package httpx
 import (
 	"github.com/d5/tengo/v2"
 	"net/http"
+	"io"
 	//"log"
 )
 
@@ -32,6 +33,14 @@ func (r *Request) IndexGet(
 		return &URL{
 			URL: r.URL,
 		}, nil
+	case "body" :
+		bts, err := io.ReadAll(r.Body)
+		if err != nil {
+			return nil, err
+		}
+		return &tengo.Bytes{
+			Value: bts,
+		}, nil
 	}
 
 	// Nothing found.

httpx/tool.go

@@ -2,8 +2,8 @@ package httpx
 
 import (
 	//"github.com/d5/tengo/v2"
-	"github.com/d5/tengo/v2/stdlib"
-	"vultras.su/util/tpp"
+	//"github.com/d5/tengo/v2/stdlib"
+	"surdeus.su/util/tpp"
 	"vultras.su/core/cli/mtool"
 	"net/http"
 	"log"
@@ -12,6 +12,7 @@ import (
 
 // Context key type for internal usage.
 type CKey string
+
 const (
 	KeyRequest CKey = "http-request"
 )
@@ -19,13 +20,13 @@ const (
 // Simple PHP-like server implementation.
 var Tool = mtool.T("tht").Func(func(flags *mtool.Flags) {
 	var (
-		addr string
-		handler Handler
+		addr, ext, src, mod string
 	)
 
 	flags.StringVar(&addr, "addr", ":3000", "address to serve at")
-	flags.StringVar(&handler.SourcePath, "src", "./src", "directory with source files")
-	flags.StringVar(&handler.Ext, "ext", ".tpp", "extension for TPP files")
+	flags.StringVar(&mod, "mod", "./mod", "path to store Tengo modules")
+	flags.StringVar(&src, "src", "./src", "directory with source files")
+	flags.StringVar(&ext, "ext", ".tpp", "extension for TPP files")
 
 	flags.Parse()
 
@@ -33,26 +34,31 @@ var Tool = mtool.T("tht").Func(func(flags *mtool.Flags){
 		ctx context.Context,
 		s *tpp.Script,
 	) {
-		s.SetImportDir(handler.SourcePath)
-		s.SetImports(stdlib.GetModuleMap(
-			stdlib.AllModuleNames()...,
-		))
+		s.SetImportDir(mod)
+		s.SetImports(&ModuleGetter{})
 		s.EnableFileImport(true)
 
 		s.Add("__http_request__", ctx.Value(KeyRequest))
 	}).SetPreCode(func(ctx context.Context) []byte {
 		return []byte(`
-			http := {
+			http := immutable({
 				request : __http_request__
+			})
+			__context__ := {
+				http: http,
+				pp: pp
 			}
+			import("./pre")(__context__)
+		`)
+	}).SetPostCode(func(ctx context.Context) []byte {
+		return []byte(`
+			import("./post")(__context__)
 		`)
 	})
 
-	handler.PP = tpp.New(t)
-
 	srv := &http.Server{
 		Addr:    addr,
-		Handler: &handler,
+		Handler: NewHandler(tpp.New(t), src, ext),
 	}
 	err := srv.ListenAndServe()
 	if err != nil {

mod/post.tengo

@@ -0,0 +1,22 @@
+fmt := import("fmt")
+paths := import("paths")
+htmExt := func(c){
+	c.pp.print(`
+		</body></html>
+	`)
+}
+
+exts := {
+	".htm": htmExt,
+	".html": htmExt
+}
+
+export func(c){
+	url_path := c.http.request.url.path
+	ext := paths.ext(url_path)
+
+	cl := exts[ext]
+	if !is_undefined(cl) {
+		cl(c)
+	}
+}

mod/pre.tengo

@@ -0,0 +1,26 @@
+fmt := import("fmt")
+paths := import("paths")
+
+htmExt := func(c){
+	c.pp.print(`
+		<!doctype html>
+		<html><head>
+			<title>Check shit</title>
+		</head><body>
+	`)
+}
+
+exts := {
+	".htm": htmExt,
+	".html": htmExt
+}
+
+export func(c){
+	url_path := c.http.request.url.path
+	ext := paths.ext(url_path)
+
+	cl := exts[ext]
+	if !is_undefined(cl) {
+		cl(c)
+	}
+}

paths/main.go

@@ -0,0 +1,51 @@
+package paths
+
+import (
+	"github.com/d5/tengo/v2"
+	"path"
+)
+
+var Module = &tengo.BuiltinModule {
+	Attrs: moduleMap,
+}
+
+var moduleMap = map[string] tengo.Object {
+	"base" : &tengo.UserFunction{
+		Name: "base",
+		Value: wrapOneArg(path.Base),
+	},
+	"ext" : &tengo.UserFunction{
+		Name: "ext",
+		Value: wrapOneArg(path.Ext),
+	},
+	"dir" : &tengo.UserFunction{
+		Name: "dir",
+		Value: wrapOneArg(path.Dir),
+	},
+	"clean" : &tengo.UserFunction{
+		Name: "clean",
+		Value: wrapOneArg(path.Clean),
+	},
+}
+
+func wrapOneArg(
+	fn func(string) string,
+) func(...tengo.Object) (tengo.Object, error) {
+	return func(args ...tengo.Object) (tengo.Object, error) {
+		if len(args) != 1 {
+			return nil, tengo.ErrWrongNumArguments
+		}
+		str, ok := tengo.ToString(args[0])
+		if !ok {
+			return nil, tengo.ErrInvalidArgumentType{
+				Name: "first",
+				Expected: "string(compatible)",
+				Found: args[0].TypeName(),
+			}
+		}
+		return &tengo.String{
+			Value: fn(str),
+		}, nil
+	}
+}
+

src/main.htm.tpp

@@ -4,10 +4,12 @@
 	q := req.url.query
 	// List checking.
 	list := [1, 2, 3, 4, 123]
+	body := req.body
+	if body {
+		fmt.println(string(body))
+	}
+}}
 
-}}<!doctype html>
-<html><head>
-</head><body>
 {{
 	if q.name {
 		pp.print("<div id=\"name\">", q.name[0], "</div>")
@@ -26,4 +28,3 @@
 		pp.print("<li>", v, "</li>")
 	}
 }}</ul>
-</body></html>

tengo.go

@@ -53,7 +53,8 @@ func (pp *Tengo) Eval(
 	var fullCodeBuf bytes.Buffer
 	const retHead = `
 		__ret_one__ := bytes("")
-		pp := {
+		pp := immutable({
+			filepath: __filepath__,
 			printf : func(format, ...vals) {
 				__ret_one__ += __sprintf__(format, vals...)
 			},
@@ -67,7 +68,7 @@ func (pp *Tengo) Eval(
 			write_raw : func(bts) {
 				__ret_one__ += bytes(bts)
 			}
-		}
+		})
 
 	`
 
@@ -94,7 +95,8 @@ func (pp *Tengo) Eval(
 		pp.preCompile(ctx, script)
 	}
 
-	err := script.Add("__sprintf__", &tengo.UserFunction{
+	script.Add("__filepath__", filePath)
+	script.Add("__sprintf__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			if len(args) < 1 {
 				return nil, tengo.ErrWrongNumArguments
@@ -113,12 +115,8 @@ func (pp *Tengo) Eval(
 			str := fmt.Sprintf(format, gargs...)
 			return tengo.FromInterface([]byte(str))
 		},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
-	err = script.Add("__sprint__", &tengo.UserFunction{
+	})
+	script.Add("__sprint__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			gargs := make([]any, len(args))
 			for i := range gargs {
@@ -127,12 +125,8 @@ func (pp *Tengo) Eval(
 			str := fmt.Sprint(gargs...)
 			return tengo.FromInterface([]byte(str))
 		},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
-	err = script.Add("__sprintln__", &tengo.UserFunction{
+	})
+	script.Add("__sprintln__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			gargs := make([]any, len(args))
 			for i := range gargs {
@@ -141,12 +135,8 @@ func (pp *Tengo) Eval(
 			str := fmt.Sprintln(gargs...)
 			return tengo.FromInterface([]byte(str))
 		},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
-	err = script.Add("__separate__", &tengo.UserFunction{
+	})
+	script.Add("__separate__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){
 			if len(args) < 1 {
 				return nil, tengo.ErrWrongNumArguments
@@ -159,13 +149,9 @@ func (pp *Tengo) Eval(
 			rets = append(rets, bts)
 			return nil, nil
 		},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
+	})
 
-	_, err = script.RunContext(ctx)
+	_, err := script.RunContext(ctx)
 	if err != nil {
 		return nil, err
 	}