public static string ApplyRTLfix(string line, int maxCharacters, bool ignoreNumbers)
{
if (string.IsNullOrEmpty(line))
{
return(line);
}
// Fix !, ? and . signs not set correctly
char firstC = line[0];
if (firstC == '!' || firstC == '.' || firstC == '?')
{
line = line.Substring(1) + firstC;
}
int tagStart = -1, tagEnd = 0;
// Find all Tags (and Numbers if ignoreNumbers is true)
int tagBase = 40000;
tagEnd = 0;
var tags = new List <string>();
while (I2Utils.FindNextTag(line, tagEnd, out tagStart, out tagEnd))
{
string tag = "@@" + (char)(tagBase + tags.Count) + "@@";
tags.Add(line.Substring(tagStart, tagEnd - tagStart + 1));
line = line.Substring(0, tagStart) + tag + line.Substring(tagEnd + 1);
tagEnd = tagStart + 5;
}
// Split into lines and fix each line
line = line.Replace("\r\n", "\n");
line = I2Utils.SplitLine(line, maxCharacters);
line = RTLFixer.Fix(line, true, !ignoreNumbers);
// Restore all tags
for (int i = 0; i < tags.Count; i++)
{
var len = line.Length;
for (int j = 0; j < len; ++j)
{
if (line[j] == '@' && line[j + 1] == '@' && line[j + 2] >= tagBase && line[j + 3] == '@' && line[j + 4] == '@')
{
int idx = line[j + 2] - tagBase;
if (idx % 2 == 0)
{
idx++;
}
else
{
idx--;
}
if (idx >= tags.Count)
{
idx = tags.Count - 1;
}
line = line.Substring(0, j) + tags[idx] + line.Substring(j + 5);
break;
}
}
}
return(line);
}
