private static void GetCharacter(string character, ref MorseCode morseCode, ref StringBuilder sb)
{
string morseSymbol = Characters.Symbols[character];
for (int i = 0; i < morseSymbol.Length; i++)
{
if (i > 0)
{
var r = new Range(sb.Length, sb.Length);
sb.Append(SPACE1);
r.End = sb.Length;
morseCode.ToneInCodesRange.Add(r);
}
if (morseSymbol[i] == '-')
{
var r = new Range(sb.Length, sb.Length);
sb.Append('-');
r.End = sb.Length;
morseCode.ToneInCodesRange.Add(r);
}
else if (morseSymbol[i] == '.')
{
var r = new Range(sb.Length, sb.Length);
sb.Append('.');
r.End = sb.Length;
morseCode.ToneInCodesRange.Add(r);
}
}
}
public static MorseCode ConvertToMorseCode(string text)
{
text = text.ToLower();
var words = text.Split(' ');
var ret = new MorseCode
{
Text = text
};
var sb = new StringBuilder();
for (var i = 0; i < words.Length; i++)
{
if (i > 0)
{
var r = new Range(sb.Length, sb.Length);
sb.Append(SPACE5);
r.End = sb.Length;
ret.ToneInCodesRange.Add(r);
ret.CharInCodesRange.Add(r);
}
GetWord(words[i], ref ret, ref sb);
}
ret.Codes = sb.ToString();
return(ret);
}
private static void GetWord(string word, ref MorseCode morseCode, ref StringBuilder sb)
{
for (int i = 0; i < word.Length; i++)
{
if (i > 0)
{
var r = new Range(sb.Length, sb.Length);
sb.Append(SPACE3);
r.End = sb.Length;
morseCode.ToneInCodesRange.Add(r);
}
if (word == "")
{
var r = new Range(sb.Length, sb.Length);
sb.Append(SPACE5);
r.End = sb.Length;
morseCode.ToneInCodesRange.Add(r);
morseCode.CharInCodesRange.Add(r);
}
else if (word[i] == '<')
{
// Prosign
int end = word.IndexOf('>', i);
if (end < 0)
{
throw new ArgumentException();
}
var r = new Range(sb.Length, sb.Length);
GetCharacter(word.Substring(i, end + 1 - i), ref morseCode, ref sb);
r.End = sb.Length;
morseCode.CharInCodesRange.Add(r);
i = end;
}
else
{
var r = new Range(sb.Length, sb.Length);
GetCharacter(word[i].ToString(), ref morseCode, ref sb);
r.End = sb.Length;
if (word.Length > 1 && i != word.Length - 1) //不是最后一个字符
{
r.End += 3;
}
morseCode.CharInCodesRange.Add(r);
}
}
}
