uic: initial commit

cmd/miqt-uic/main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+	"io/ioutil"
+)
+
+func main() {
+	in, err := ioutil.ReadFile(`test.ui`)
+	if err != nil {
+		panic(err)
+	}
+
+	var parsed UiFile
+	err = xml.Unmarshal(in, &parsed)
+	if err != nil {
+		panic(err)
+	}
+
+	ret, err := xml.MarshalIndent(parsed, "", "  ")
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(string(ret))
+
+	gosrc, err := generate("main", parsed)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(string(gosrc))
+}

cmd/miqt-uic/types.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"encoding/xml"
+)
+
+type UiLayoutItem struct {
+	Row    *int     `xml:"row,attr"`
+	Column *int     `xml:"column,attr"`
+	Widget UiWidget `xml:"widget"`
+}
+
+type UiLayout struct {
+	Class string         `xml:"class,attr"`
+	Name  string         `xml:"name,attr"`
+	Items []UiLayoutItem `xml:"item"`
+}
+
+type UiPropertyContainer struct {
+	Properties []UiProperty `xml:"property"`
+}
+
+type UiWidget struct {
+	Class      string       `xml:"class,attr"`
+	Name       string       `xml:"name,attr"`
+	Properties []UiProperty `xml:"property"`
+	Attributes []UiProperty `xml:"attribute"`
+
+	Layout  *UiLayout  `xml:"layout,omitempty"`
+	Widgets []UiWidget `xml:"widget"` // If no layout
+
+	Columns []UiPropertyContainer `xml:"column"` // e.g. for QTreeWidget
+	Items   []UiPropertyContainer `xml:"item"`   // e.g. for QComboBox
+
+	AddActions []UiActionReference `xml:"addaction"`
+	Actions    []UiAction          `xml:"action"`
+}
+
+type UiRect struct {
+	X      int `xml:"x"`
+	Y      int `xml:"y"`
+	Width  int `xml:"width"`
+	Height int `xml:"height"`
+}
+
+type UiString struct {
+	Value string `xml:",chardata"`
+	Notr  bool   `xml:"notr,attr,omitempty"`
+}
+
+type UiProperty struct {
+	Name      string    `xml:"name,attr"`
+	StringVal *UiString `xml:"string,omitempty"`
+	NumberVal *string   `xml:"number,omitempty"` // Preserve as string literal
+	EnumVal   *string   `xml:"enum,omitempty"`
+	RectVal   *UiRect   `xml:"rect,omitempty"`
+}
+
+type UiActionReference struct {
+	Name string `xml:"name,attr"`
+}
+
+type UiAction struct {
+	Name       string       `xml:"name,attr"`
+	Properties []UiProperty `xml:"property"`
+}
+
+type UiResources struct {
+}
+
+type UiConnections struct {
+}
+
+type UiFile struct {
+	XMLName xml.Name // should always be xml.Name{Local: "ui"}
+
+	Class       string        `xml:"class"`
+	Version     string        `xml:"version,attr"` // e.g. 4.0
+	Widget      []UiWidget    `xml:"widget"`
+	Resources   UiResources   `xml:"resources"`
+	Connections UiConnections `xml:"connections"`
+}

cmd/miqt-uic/ui2go.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"go/format"
+	"strings"
+)
+
+func collectClassNames_Widget(u UiWidget) []string {
+	var ret []string
+	if u.Name != "" {
+		ret = append(ret, u.Name+" *qt."+u.Class)
+	}
+	for _, w := range u.Widgets {
+		ret = append(ret, collectClassNames_Widget(w)...)
+	}
+	if u.Layout != nil {
+		for _, li := range u.Layout.Items {
+			ret = append(ret, collectClassNames_Widget(li.Widget)...)
+		}
+	}
+	for _, a := range u.Actions {
+		ret = append(ret, a.Name+" *qt.QAction")
+	}
+	return ret
+}
+
+func collectClassNames(u UiFile) []string {
+	var ret []string
+	for _, w := range u.Widget {
+		ret = append(ret, collectClassNames_Widget(w)...)
+	}
+	return ret
+}
+
+func generate(packageName string, u UiFile) ([]byte, error) {
+	ret := strings.Builder{}
+	ret.WriteString(`package ` + packageName + `
+	
+import (
+	"github.com/mappu/miqt"
+)
+
+type ` + u.Class + `Ui struct {
+	` + strings.Join(collectClassNames(u), "\n") + `
+}
+
+func New` + u.Class + `Ui() *` + u.Class + `Ui {
+	ui := &` + u.Class + `Ui{}
+	`)
+
+	// ...
+
+	ret.WriteString(`
+	return ui
+}
+
+func (u *` + u.Class + `Ui) RetranslateUi() {
+	panic("TODO")
+}
+
+	`)
+
+	output := ret.String()
+	return format.Source([]byte(output))
+}