func ArticleHandler(ctx *app.Context) {
slug := ctx.IndexValue(0)
var art *article.Article
articles := getArticles(ctx)
for _, v := range articles {
if v.Slug() == slug {
art = v
break
}
}
if art == nil {
for _, v := range articles {
for _, s := range v.AllSlugs() {
if s == slug {
ctx.MustRedirectReverse(true, ctx.HandlerName(), s)
return
}
}
}
ctx.NotFound("article not found")
return
}
fs := vfs.Memory()
filename := path.Base(art.Filename)
if filename == "" {
filename = "article.html"
}
if err := vfs.WriteFile(fs, filename, art.Text, 0644); err != nil {
panic(err)
}
log.Debugf("loading article %s", articleId(art))
tmpl, err := app.LoadTemplate(ctx.App(), fs, nil, filename)
if err != nil {
panic(err)
}
var buf bytes.Buffer
if err := tmpl.ExecuteTo(&buf, ctx, nil); err != nil {
panic(err)
}
body := buf.String()
data := map[string]interface{}{
"Article": art,
"Title": art.Title(),
"Body": template.HTML(body),
}
ctx.MustExecute("article.html", data)
}
func main() {
pkg, err := genutil.NewPackage("gnd.la/template")
if err != nil {
panic(err)
}
var art *article.Article
if len(os.Args) > 1 {
art, err = article.OpenFile(os.Args[1])
if err != nil {
panic(fmt.Errorf("error loading previous article from %s: %s", os.Args[1], err))
}
} else {
art = &article.Article{}
}
abs, err := filepath.Abs("funcs.go")
if err != nil {
panic(err)
}
f := pkg.ASTFiles()[abs]
var inMap bool
var lastPos token.Pos
docs := make(map[string]*funcDoc)
ast.Inspect(f, func(n ast.Node) bool {
if !inMap {
if vs, ok := n.(*ast.ValueSpec); ok {
for _, n := range vs.Names {
if n.Name == "templateFuncs" {
inMap = true
lastPos = vs.Pos()
break
}
}
}
}
if inMap {
if kv, ok := n.(*ast.KeyValueExpr); ok {
if k := literalString(kv.Key); k != "" {
if doc := documentFunction(f, pkg, kv.Value, lastPos, kv.Pos()); doc != nil {
docs[k] = doc
}
}
lastPos = kv.Pos()
}
}
return true
})
// Write the markdown
var buf bytes.Buffer
chrs := make(map[string]byte)
names := make([]string, 0, len(docs))
for k := range docs {
if k[0] == '#' || k[0] == '!' || k[0] == '@' {
chr := k[0]
k = k[1:]
chrs[k] = chr
}
names = append(names, k)
}
sort.Strings(names)
for _, n := range names {
chr := chrs[n]
lookup := n
if chr != 0 {
lookup = string(chr) + n
}
doc := docs[lookup]
fmt.Fprintf(&buf, "- **%s** *%s*", n, doc.decl)
buf.WriteString("\n\n\t")
if doc.alias != "" {
fmt.Fprintf(&buf, "%s is an alias for [%s](/doc/pkg/%s)", n, doc.alias, linkFunc(doc.alias))
} else {
buf.WriteString(doc.doc)
}
buf.WriteString("\n\n")
}
art.Text = buf.Bytes()
art.Set("updated", "now")
var out bytes.Buffer
if _, err := art.WriteTo(&out); err != nil {
panic(err)
}
if art.Filename != "" {
if err := ioutil.WriteFile(art.Filename, out.Bytes(), 0644); err != nil {
panic(err)
}
} else {
io.Copy(os.Stdout, &out)
}
}