func (s *Site) renderAndWriteXML(name string, dest string, d interface{}, layouts ...string) error {
renderBuffer := bp.GetBuffer()
defer bp.PutBuffer(renderBuffer)
renderBuffer.WriteString("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\" ?>\n")
err := s.render(name, d, renderBuffer, layouts...)
outBuffer := bp.GetBuffer()
defer bp.PutBuffer(outBuffer)
var path []byte
if viper.GetBool("RelativeURLs") {
path = []byte(helpers.GetDottedRelativePath(dest))
} else {
s := viper.GetString("BaseURL")
if !strings.HasSuffix(s, "/") {
s += "/"
}
path = []byte(s)
}
transformer := transform.NewChain(transform.AbsURLInXML)
transformer.Apply(outBuffer, renderBuffer, path)
if err == nil {
err = s.WriteDestFile(dest, outBuffer)
}
return err
}
// StripHTML accepts a string, strips out all HTML tags and returns it.
func StripHTML(s string) string {
// Shortcut strings with no tags in them
if !strings.ContainsAny(s, "<>") {
return s
}
s = stripHTMLReplacer.Replace(s)
// Walk through the string removing all tags
b := bp.GetBuffer()
defer bp.PutBuffer(b)
inTag := false
for _, r := range s {
switch r {
case '<':
inTag = true
case '>':
inTag = false
default:
if !inTag {
b.WriteRune(r)
}
}
}
return b.String()
}
func (s *Site) renderAndWritePage(name string, dest string, d interface{}, layouts ...string) error {
renderBuffer := bp.GetBuffer()
defer bp.PutBuffer(renderBuffer)
err := s.render(name, d, renderBuffer, layouts...)
outBuffer := bp.GetBuffer()
defer bp.PutBuffer(outBuffer)
transformLinks := transform.NewEmptyTransforms()
if viper.GetBool("RelativeURLs") || viper.GetBool("CanonifyURLs") {
transformLinks = append(transformLinks, transform.AbsURL)
}
if viper.GetBool("watch") && !viper.GetBool("DisableLiveReload") {
transformLinks = append(transformLinks, transform.LiveReloadInject)
}
var path []byte
if viper.GetBool("RelativeURLs") {
translated, err := s.PageTarget().(target.OptionalTranslator).TranslateRelative(dest)
if err != nil {
return err
}
path = []byte(helpers.GetDottedRelativePath(translated))
} else if viper.GetBool("CanonifyURLs") {
s := viper.GetString("BaseURL")
if !strings.HasSuffix(s, "/") {
s += "/"
}
path = []byte(s)
}
transformer := transform.NewChain(transformLinks...)
transformer.Apply(outBuffer, renderBuffer, path)
if err == nil {
if err = s.WriteDestPage(dest, outBuffer); err != nil {
return err
}
}
return err
}
// ReaderToString is the same as ReaderToBytes, but returns a string.
func ReaderToString(lines io.Reader) string {
if lines == nil {
return ""
}
b := bp.GetBuffer()
defer bp.PutBuffer(b)
b.ReadFrom(lines)
return b.String()
}
func renderShortcodeWithPage(tmpl *template.Template, data *ShortcodeWithPage) string {
buffer := bp.GetBuffer()
defer bp.PutBuffer(buffer)
err := tmpl.Execute(buffer, data)
if err != nil {
jww.ERROR.Println("error processing shortcode", tmpl.Name(), "\n ERR:", err)
jww.WARN.Println(data)
}
return buffer.String()
}
// ReaderToBytes takes an io.Reader argument, reads from it
// and returns bytes.
func ReaderToBytes(lines io.Reader) []byte {
if lines == nil {
return []byte{}
}
b := bp.GetBuffer()
defer bp.PutBuffer(b)
b.ReadFrom(lines)
bc := make([]byte, b.Len(), b.Len())
copy(bc, b.Bytes())
return bc
}
func (c *chain) Apply(w io.Writer, r io.Reader, p []byte) error {
b1 := bp.GetBuffer()
defer bp.PutBuffer(b1)
b1.ReadFrom(r)
if len(*c) == 0 {
b1.WriteTo(w)
return nil
}
b2 := bp.GetBuffer()
defer bp.PutBuffer(b2)
fb := &fromToBuffer{path: p, from: b1, to: b2}
for i, tr := range *c {
if i > 0 {
if fb.from == b1 {
fb.from = b2
fb.to = b1
fb.to.Reset()
} else {
fb.from = b1
fb.to = b2
fb.to.Reset()
}
}
tr(fb)
}
fb.to.WriteTo(w)
return nil
}
func ExecuteTemplateToHTML(context interface{}, layouts ...string) template.HTML {
b := bp.GetBuffer()
defer bp.PutBuffer(b)
ExecuteTemplate(context, b, layouts...)
return template.HTML(b.String())
}
// Replace prefixed shortcode tokens (HUGOSHORTCODE-1, HUGOSHORTCODE-2) with the real content.
func replaceShortcodeTokens(source []byte, prefix string, replacements map[string]string) ([]byte, error) {
if len(replacements) == 0 {
return source, nil
}
buff := bp.GetBuffer()
defer bp.PutBuffer(buff)
sourceLen := len(source)
start := 0
pre := []byte("{@{@" + prefix)
post := []byte("@}@}")
pStart := []byte("<p>")
pEnd := []byte("</p>")
k := bytes.Index(source[start:], pre)
for k != -1 {
j := start + k
postIdx := bytes.Index(source[j:], post)
if postIdx < 0 {
// this should never happen, but let the caller decide to panic or not
return nil, errors.New("illegal state in content; shortcode token missing end delim")
}
end := j + postIdx + 4
newVal := []byte(replacements[string(source[j:end])])
// Issue #1148: Check for wrapping p-tags <p>
if j >= 3 && bytes.Equal(source[j-3:j], pStart) {
if (k+4) < sourceLen && bytes.Equal(source[end:end+4], pEnd) {
j -= 3
end += 4
}
}
oldVal := source[j:end]
_, err := buff.Write(source[start:j])
if err != nil {
return nil, errors.New("buff write failed")
}
_, err = buff.Write(newVal)
if err != nil {
return nil, errors.New("buff write failed")
}
start = j + len(oldVal)
k = bytes.Index(source[start:], pre)
}
_, err := buff.Write(source[start:])
if err != nil {
return nil, errors.New("buff write failed")
}
bc := make([]byte, buff.Len(), buff.Len())
copy(bc, buff.Bytes())
return bc, nil
}
func extractShortcodes(stringToParse string, p *Page, t tpl.Template) (string, map[string]shortcode, error) {
shortCodes := make(map[string]shortcode)
startIdx := strings.Index(stringToParse, "{{")
// short cut for docs with no shortcodes
if startIdx < 0 {
return stringToParse, shortCodes, nil
}
// the parser takes a string;
// since this is an internal API, it could make sense to use the mutable []byte all the way, but
// it seems that the time isn't really spent in the byte copy operations, and the impl. gets a lot cleaner
pt := &pageTokens{lexer: newShortcodeLexer("parse-page", stringToParse, pos(startIdx))}
id := 1 // incremented id, will be appended onto temp. shortcode placeholders
result := bp.GetBuffer()
defer bp.PutBuffer(result)
//var result bytes.Buffer
// the parser is guaranteed to return items in proper order or fail, so …
// … it's safe to keep some "global" state
var currItem item
var currShortcode shortcode
var err error
Loop:
for {
currItem = pt.next()
switch currItem.typ {
case tText:
result.WriteString(currItem.val)
case tLeftDelimScWithMarkup, tLeftDelimScNoMarkup:
// let extractShortcode handle left delim (will do so recursively)
pt.backup()
if currShortcode, err = extractShortcode(pt, p, t); err != nil {
return result.String(), shortCodes, err
}
if currShortcode.params == nil {
currShortcode.params = make([]string, 0)
}
placeHolder := createShortcodePlaceholder(id)
result.WriteString(placeHolder)
shortCodes[placeHolder] = currShortcode
id++
case tEOF:
break Loop
case tError:
err := fmt.Errorf("%s:%d: %s",
p.BaseFileName(), (p.lineNumRawContentStart() + pt.lexer.lineNum() - 1), currItem)
currShortcode.err = err
return result.String(), shortCodes, err
}
}
return result.String(), shortCodes, nil
}