/// <summary>
/// Parses a single text run (plain text), replacing regex matches with Chinese text ranges.
/// </summary>
/// <param name="strRun">The text to parse.</param>
/// <param name="re">The regex to use.</param>
/// <param name="mtr">An object matching the regex, used to translate into correct Chinese run.</param>
/// <returns>The new runs that shall replace the one whose text we parsed.</returns>
private List<TextRun> parseRun(string strRun, Regex re, MatchTranslator mtr)
{
List<TextRun> res = new List<TextRun>();
// Find regex's matches in inpout
var matches = re.Matches(strRun);
int start = 0;
foreach (Match m in matches)
{
// Anything before match's start and the last character we looked at?
// If yes, it becomes a Latin run
string textBefore = strRun.Substring(start, m.Index - start).Trim();
if (textBefore != string.Empty) res.Add(new TextRunLatin(textBefore));
// Translate match into a Chinese run
res.Add(mtr.Translate(m.Groups, normalizePinyin));
// Move finger
start = m.Index + m.Length;
}
// Trailing text at end? That's a final Latin range.
if (start < strRun.Length)
{
string textAfter = strRun.Substring(start, strRun.Length - start).Trim();
if (textAfter != string.Empty) res.Add(new TextRunLatin(textAfter));
}
// Donee
return res;
}
/// <summary>
/// Parses a single text run (plain text), replacing regex matches with Chinese text ranges.
/// </summary>
/// <param name="strRun">The text to parse.</param>
/// <param name="re">The regex to use.</param>
/// <param name="mtr">An object matching the regex, used to translate into correct Chinese run.</param>
/// <returns>The new runs that shall replace the one whose text we parsed.</returns>
private static List <TextRun> parseRun(string strRun, Regex re, MatchTranslator mtr)
{
List <TextRun> res = new List <TextRun>();
// Find regex's matches in inpout
var matches = re.Matches(strRun);
int start = 0;
foreach (Match m in matches)
{
// Anything before match's start and the last character we looked at?
// If yes, it becomes a Latin run
string textBefore = strRun.Substring(start, m.Index - start).Trim();
if (textBefore != string.Empty)
{
res.Add(new TextRunLatin(textBefore));
}
// Translate match into a Chinese run
res.Add(mtr.Translate(m.Groups, normalizePinyin));
// Move finger
start = m.Index + m.Length;
}
// Trailing text at end? That's a final Latin range.
if (start < strRun.Length)
{
string textAfter = strRun.Substring(start, strRun.Length - start).Trim();
if (textAfter != string.Empty)
{
res.Add(new TextRunLatin(textAfter));
}
}
// Donee
return(res);
}
/// <summary>
/// Split a list of runs into possibly more runs, by running a specific Chinese recognizer.
/// </summary>
private static List <TextRun> splitRuns(List <TextRun> runs, Regex re, MatchTranslator mtr)
{
List <TextRun> res = new List <TextRun>();
foreach (TextRun run in runs)
{
if (run is TextRunZho)
{
res.Add(run);
}
else
{
res.AddRange(parseRun(run.GetPlainText(), re, mtr));
}
}
return(res);
}
/// <summary>
/// Split a list of runs into possibly more runs, by running a specific Chinese recognizer.
/// </summary>
private List<TextRun> splitRuns(List<TextRun> runs, Regex re, MatchTranslator mtr)
{
List<TextRun> res = new List<TextRun>();
foreach (TextRun run in runs)
{
if (run is TextRunZho) res.Add(run);
else res.AddRange(parseRun(run.GetPlainText(), re, mtr));
}
return res;
}
