// Implement chinese.ToHTMLer
func (r Record) ToHTML(toneColors []string) string {
var html string
html += r.Trad
html += " "
html += pinyin.Num2DiaCol(r.Pinyin, toneColors, " ")
html += " "
html += r.English
return html
}
// This function is responsible for paths of the form
// /vocab/lookup/<word> and returns a json dictionary
// containing the csv to be added to the output text area
// or an "error" field of something other than "nil" if an
// error occured during execution.
func vocabLookupHandler(writer http.ResponseWriter, request *http.Request) {
word := getLastPathComponent(request)
colors := getColors(request)
fmt.Println("vocabLookupHandler: " + word)
// search the db for records (simp first, if unsuccessful, try trad)
// and send errors back to client if any occur
records, err := cedict.FindRecords(word, chinese.Simp)
if err != nil {
fmt.Fprint(writer, `{"error": "`+err.Error()+`", "word": "`+word+`"}`)
return
}
if len(records) == 0 {
records, err = cedict.FindRecords(word, chinese.Trad)
if err != nil {
fmt.Fprint(writer, `{"error": "`+err.Error()+`", "word": "`+word+`"}`)
return
}
}
if len(records) == 0 {
fmt.Fprint(writer, `{"error": "No matches found", "word": "`+word+`"}`)
return
}
// this string has the same number of characters as the word.
// in places where the simplified and the traditional characters
// are the same, it has a space, otherwise it has the simplified character
simpChars := ""
tradChars := ""
for is, cs := range records[0].Simp {
for it, ct := range records[0].Trad {
if is == it {
if cs == ct {
simpChars += string('\u3000')
tradChars += string('\u3000')
} else {
simpChars += string(cs)
tradChars += string(ct)
}
}
}
}
// construct csv row
var output string
output += records[0].Trad
output += "\t"
output += records[0].Simp
output += "\t"
// This dot is necessary because Anki trims whitespace when importing.
// For more details, see the card layout of the shengci deck
output += "." + tradChars
output += "\t"
output += "." + simpChars
output += "\t"
for _, record := range records {
output += pinyin.Num2DiaCol(record.Pinyin, colors, " ")
// Add another real space character at the end
// to make the line break between pinyin and definition on small screens
output += " "
output += record.English
output += "<br />"
}
// use json.Marshal with an anonymous variable to escape the \t and " characters
// in the response
j, err := json.Marshal(map[string]interface{}{
"error": "nil",
"csv": output,
})
if err != nil {
fmt.Fprint(writer, `{"error": "`+err.Error()+`", "word": "`+word+`"}`)
return
}
fmt.Fprint(writer, string(j))
}