func ExampleTextDetector() {
detector := chardet.NewTextDetector()
result, err := detector.DetectBest(zh_gb18030_text)
if err == nil {
fmt.Printf(
"Detected charset is %s, language is %s",
result.Charset,
result.Language)
}
// Output:
// Detected charset is GB18030, language is zh
}
func TestDetector(t *testing.T) {
type file_charset_language struct {
File string
IsHtml bool
Charset string
Language string
}
var data = []file_charset_language{
{"utf8.html", true, "UTF-8", ""},
{"utf8_bom.html", true, "UTF-8", ""},
{"8859_1_en.html", true, "ISO-8859-1", "en"},
{"8859_1_da.html", true, "ISO-8859-1", "da"},
{"8859_1_de.html", true, "ISO-8859-1", "de"},
{"8859_1_es.html", true, "ISO-8859-1", "es"},
{"8859_1_fr.html", true, "ISO-8859-1", "fr"},
{"8859_1_pt.html", true, "ISO-8859-1", "pt"},
{"shift_jis.html", true, "Shift_JIS", "ja"},
{"gb18030.html", true, "GB18030", "zh"},
{"euc_jp.html", true, "EUC-JP", "ja"},
{"euc_kr.html", true, "EUC-KR", "ko"},
{"big5.html", true, "Big5", "zh"},
}
textDetector := chardet.NewTextDetector()
htmlDetector := chardet.NewHtmlDetector()
buffer := make([]byte, 32<<10)
for _, d := range data {
f, err := os.Open(filepath.Join("testdata", d.File))
if err != nil {
t.Fatal(err)
}
defer f.Close()
size, _ := io.ReadFull(f, buffer)
input := buffer[:size]
var detector = textDetector
if d.IsHtml {
detector = htmlDetector
}
result, err := detector.DetectBest(input)
if err != nil {
t.Fatal(err)
}
if result.Charset != d.Charset {
t.Errorf("Expected charset %s, actual %s", d.Charset, result.Charset)
}
if result.Language != d.Language {
t.Errorf("Expected language %s, actual %s", d.Language, result.Language)
}
}
}