Basic GUI translation support.

Conflicts:
	gui/index.html

cmd/translate/main.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"strings"
+
+	"code.google.com/p/go.net/html"
+)
+
+var trans = make(map[string]string)
+
+func generalNode(n *html.Node) {
+	translate := false
+	if n.Type == html.ElementNode {
+		for _, a := range n.Attr {
+			if a.Key == "translate" {
+				translate = true
+				break
+			}
+		}
+	} else if n.Type == html.TextNode {
+		v := strings.TrimSpace(n.Data)
+		if len(v) > 1 && !(strings.HasPrefix(v, "{{") && strings.HasSuffix(v, "}}")) {
+			log.Println("Untranslated text node:")
+			log.Print("\t" + v)
+		}
+	}
+	for c := n.FirstChild; c != nil; c = c.NextSibling {
+		if translate {
+			inTranslate(c)
+		} else {
+			generalNode(c)
+		}
+	}
+}
+
+func inTranslate(n *html.Node) {
+	if n.Type == html.TextNode {
+		v := strings.TrimSpace(n.Data)
+		if _, ok := trans[v]; !ok {
+			av := strings.Replace(v, "{%", "{{", -1)
+			av = strings.Replace(av, "%}", "}}", -1)
+			trans[v] = av
+		}
+	} else {
+		log.Println("translate node with non-text child <")
+		log.Println(n)
+	}
+	if n.FirstChild != nil {
+		log.Println("translate node has children:")
+		log.Println(n.Data)
+	}
+}
+
+func main() {
+	fd, err := os.Open(os.Args[1])
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = json.NewDecoder(fd).Decode(&trans)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fd.Close()
+
+	doc, err := html.Parse(os.Stdin)
+	if err != nil {
+		log.Fatal(err)
+	}
+	generalNode(doc)
+	bs, err := json.MarshalIndent(trans, "", "   ")
+	if err != nil {
+		log.Fatal(err)
+	}
+	os.Stdout.Write(bs)
+}