public void ConvertTest()
{
string msg = "ChineseWordConverter.Convert 測試失敗: ";
var target = new ChineseWordConverter(
new ZhuyinReverseConverter(new ZhuyinReverseConversionProvider()));
ContextTagManager context = new ContextTagManager();
// 測試結合韻。
string text = "我";
Stack <char> charStack = new Stack <char>(text);
List <BrailleWord> expected = new List <BrailleWord>();
BrailleWord brWord = new BrailleWord(text, " ㄨㄛˇ", "1208");
expected.Add(brWord);
List <BrailleWord> actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試單音字：要在音調記號前加一個空方。
text = "智";
charStack = new Stack <char>(text);
brWord = new BrailleWord(text, "ㄓ ˋ", "013110");
expected.Clear();
expected.Add(brWord);
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試無特殊規則的注音。
text = "你";
charStack = new Stack <char>(text);
brWord = new BrailleWord(text, "ㄋㄧ ˇ", "1D2108");
expected.Clear();
expected.Add(brWord);
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試標點符號。
text = "：";
charStack = new Stack <char>(text);
brWord = new BrailleWord(text, " ˉ", "1212");
expected.Clear();
expected.Add(brWord);
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試全形空白
text = " ";
charStack = new Stack <char>(text);
brWord = new BrailleWord(text, " ˉ", "00");
expected.Clear();
expected.Add(brWord);
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試簡體字。
text = "实";
charStack = new Stack <char>(text);
brWord = new BrailleWord(text, "ㄕ ˊ", "0A3102");
expected.Clear();
expected.Add(brWord);
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
// 測試無法轉換的字元：／
text = "／";
charStack = new Stack <char>(text);
expected = null;
actual = target.Convert(charStack, context);
CollectionAssert.AreEqual(expected, actual, msg + text);
charStack.Clear();
}
/// <summary>
/// 把一個明眼字元轉換成點字（BrailleWord）。
/// 原則上，能夠在這裡處理掉點字特殊規則的，就盡量在這裡處理掉，
/// 特別是不可斷行分開的點字，例如：一個中文字的所有點字碼、特殊單音字附加的「ㄦ」等等。
/// </summary>
/// <param name="reader">字串流。</param>
/// <returns>若成功轉換成點字，則傳回已轉換的點字 BrailleWord 物件串列，否則傳回 null。</returns>
/// <remarks>若轉換成功，則已轉換的字元會從串流中讀出，否則該字元仍會保留在串流中。</remarks>
public List <BrailleWord> ConvertWord(Stack <char> chars)
{
List <BrailleWord> brWordList = null;
// Two-pass 處理（因為有些點字必須再交給其它點字轉換器，故需兩次）。
for (int pass = 0; pass < 2; pass++)
{
if (chars.Count < 1)
{
break;
}
// 1. 轉換情境標籤。NOTE: 情境標籤一定要先處理!
if (chars.Count > 0 && m_ContextTagConverter != null)
{
brWordList = m_ContextTagConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 2. 轉換座標符號
if (chars.Count > 0 && m_CoordConverter != null && m_ContextTagManager.IsActive(ContextTagNames.Coordinate))
{
brWordList = m_CoordConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 3. 轉換數學符號。
if (chars.Count > 0 && m_ContextTagManager.IsActive(ContextTagNames.Math) && m_MathConverter != null)
{
brWordList = m_MathConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 4. 轉換表格符號。
if (chars.Count > 0 && m_ContextTagManager.IsActive(ContextTagNames.Table) && m_TableConverter != null)
{
brWordList = m_TableConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 5. 轉換音標符號.
if (chars.Count > 0 && m_ContextTagManager.IsActive(ContextTagNames.Phonetic) && m_PhoneticConverter != null)
{
brWordList = m_PhoneticConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 6. 轉換中文。
if (chars.Count > 0 && m_ChineseConverter != null)
{
// 若成功轉換成點字，就不再 pass 給其它轉換器。
brWordList = m_ChineseConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
// 7. 轉換英文。
if (chars.Count > 0 && m_EnglishConverter != null)
{
// 若成功轉換成點字，就不再 pass 給其它轉換器。
brWordList = m_EnglishConverter.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
}
if (chars.Count > 0)
{
// 其它註冊的轉換器。
foreach (WordConverter cvt in m_Converters)
{
// 若其中一個轉換器成功轉換成點字，就不再 pass 給其它轉換器。
brWordList = cvt.Convert(chars, m_ContextTagManager);
if (brWordList != null && brWordList.Count > 0)
{
return(brWordList);
}
}
}
// TODO: 碰到無法轉換成點字的情況時，觸發事件通知呼叫端處理，例如：顯示在在訊息視窗裡。
return(null);
}
