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helper_method_doctype.go
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/
helper_method_doctype.go
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package ace
import (
"fmt"
"io"
)
// Doctypes
var doctypes = map[string]string{
"html": `<!DOCTYPE html>`,
"xml": `<?xml version="1.0" encoding="utf-8" ?>`,
"transitional": `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`,
"strict": `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">`,
"frameset": `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">`,
"1.1": `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">`,
"basic": `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">`,
"mobile": `<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">`,
}
// helperMethodDoctype represents a helper method doctype.
type helperMethodDoctype struct {
elementBase
doctype string
}
// WriteTo writes data to w.
func (e *helperMethodDoctype) WriteTo(w io.Writer) (int64, error) {
i, err := w.Write([]byte(doctypes[e.doctype]))
return int64(i), err
}
// newHelperMethodDoctype creates and returns a helper method doctype.
func newHelperMethodDoctype(ln *line, rslt *result, src *source, parent element, opts *Options) (*helperMethodDoctype, error) {
if len(ln.tokens) < 3 {
return nil, fmt.Errorf("doctype is not specified [file: %s][line: %d]", ln.fileName(), ln.no)
}
doctype := ln.tokens[2]
if _, ok := doctypes[doctype]; !ok {
return nil, fmt.Errorf("doctype is invalid [file: %s][line: %d][doctype: %s]", ln.fileName(), ln.no, doctype)
}
e := &helperMethodDoctype{
elementBase: newElementBase(ln, rslt, src, parent, opts),
doctype: doctype,
}
return e, nil
}