// NewTransformer creates a new transform.Transformer that performs the PRECIS
// preparation and enforcement steps on the given UTF-8 encoded bytes.
func (p Profile) NewTransformer() *Transformer {
var ts []transform.Transformer
if p.options.allowwidechars {
ts = append(ts, width.Fold)
}
ts = append(ts, checker{p: p})
if p.options.width != nil {
ts = append(ts, width.Fold)
}
for _, f := range p.options.additional {
ts = append(ts, f())
}
if p.options.cases {
ts = append(ts, transform.Chain(
cases.Upper(language.Und), cases.Lower(language.Und),
))
}
ts = append(ts, p.options.norm)
// TODO: Apply directionality rule (blocking on the Bidi package)
// TODO: Add the disallow empty rule with a dummy transformer?
return &Transformer{transform.Chain(ts...)}
}
func Example() {
src := []string{
"hello world!",
"i with dot",
"'n ijsberg",
"here comes O'Brian",
}
for _, c := range []cases.Caser{
cases.Lower(language.Und),
cases.Upper(language.Turkish),
cases.Title(language.Dutch),
cases.Title(language.Und, cases.NoLower),
} {
fmt.Println()
for _, s := range src {
fmt.Println(c.String(s))
}
}
// Output:
// hello world!
// i with dot
// 'n ijsberg
// here comes o'brian
//
// HELLO WORLD!
// İ WİTH DOT
// 'N İJSBERG
// HERE COMES O'BRİAN
//
// Hello World!
// I With Dot
// 'n IJsberg
// Here Comes O'brian
//
// Hello World!
// I With Dot
// 'N Ijsberg
// Here Comes O'Brian
}
// license that can be found in the LICENSE file.
package runes
import (
"strings"
"testing"
"unicode"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"golang.org/x/text/transform"
)
var (
toUpper = cases.Upper(language.Und)
toLower = cases.Lower(language.Und)
)
func TestPredicate(t *testing.T) {
testConditional(t, func(rt *unicode.RangeTable, t, f transform.Transformer) transform.Transformer {
return If(Predicate(func(r rune) bool {
return unicode.Is(rt, r)
}), t, f)
})
}
func TestIn(t *testing.T) {
testConditional(t, func(rt *unicode.RangeTable, t, f transform.Transformer) transform.Transformer {
return If(In(rt), t, f)
})
