add slide template functionality

main.go

@@ -6,20 +6,22 @@ package main
 
 import (
 	"flag"
-	. "github.com/cmars/represent/pkg/represent"
 	"log"
+
+	. "github.com/cmars/represent/pkg/represent"
 )
 
 var src *string = flag.String("src", "", "Source path containing Present files and referenced content")
 var publish *string = flag.String("publish", "", "Publish path to create static HTML pages and assets")
+var base *string = flag.String("base", "", "Base path for slide template and static resources")
 
 func die(err error, v ...interface{}) {
 	log.Println(append(v, err)...)
 }
 
 func main() {
 	flag.Parse()
-	represent, err := NewRepresent(*src, *publish)
+	represent, err := NewRepresent(*src, *publish, *base)
 	if err != nil {
 		die(err)
 	}

pkg/represent/dir.go

@@ -26,6 +26,11 @@ func isDoc(path string) bool {
 	return ok
 }
 
+// since we're writing static html nothing will be playable.
+func playable(c present.Code) bool {
+	return false
+}
+
 // parse reads the given file path and parses into a Present document structure.
 func parse(name string, mode present.ParseMode) (*present.Doc, error) {
 	f, err := os.Open(name)
@@ -59,6 +64,12 @@ func renderDoc(w io.Writer, base, docFile string) error {
 
 	// Read and parse the input.
 	tmpl := present.Template()
+
+	funcmap := make(map[string]interface{}, 1)
+	funcmap["playable"] = playable
+
+	tmpl = tmpl.Funcs(funcmap)
+
 	if _, err := tmpl.ParseFiles(actionTmpl, contentTmpl); err != nil {
 		return err
 	}

pkg/represent/represent.go

@@ -14,7 +14,6 @@ import (
 )
 
 const REPRESENT_PKG = "github.com/cmars/represent"
-const PRESENT_PKG = "golang.org/x/tools/present"
 
 // Represent provides functions to publish a directory tree of files
 // in the Present format.
@@ -28,13 +27,17 @@ type Represent struct {
 // for processing the given base directory. If srcDir is
 // the empty string, base directory is assumed to be the
 // current working directory.
-func NewRepresent(srcDir, publishDir string) (*Represent, error) {
+func NewRepresent(srcDir, publishDir, baseDir string) (*Represent, error) {
 	// Discern where the represent package source is, so we can
 	// locate the static files.
-	p, err := build.Default.Import(REPRESENT_PKG, "", build.FindOnly)
-	if err != nil {
-		return nil, err
+	if baseDir == "" {
+		p, err := build.Default.Import(REPRESENT_PKG, "", build.FindOnly)
+		if err != nil {
+			return nil, err
+		}
+		baseDir = p.Dir
 	}
+	var err error
 	// Resolve default source directory
 	if srcDir == "" {
 		srcDir, err = os.Getwd()
@@ -48,7 +51,7 @@ func NewRepresent(srcDir, publishDir string) (*Represent, error) {
 	}
 	r := &Represent{srcDir: srcDir,
 		publishDir:    publishDir,
-		presentPkgDir: p.Dir}
+		presentPkgDir: baseDir}
 	err = r.requirePublishDir()
 	return r, err
 }