public static string ApplyRTLfix1(string line, int maxCharacters, bool ignoreNumbers)
{
// pattern = ignoreNumbers ? (all non ascii characters + numbers) : (all non ASCII characters)
// tip: the character before the 0 is / and the character after the 9 is : (that's why the second pattern is [0x0-/ and :-0xff]
string pattern = ignoreNumbers ? @"(\s|[^\x00-\xff])+" : @"(\s|[^\x00-\/:-\xff])+";
var regexPattern = new Regex(pattern);
if (maxCharacters <= 0)
{
// Apply arabic fixer to all non ascii characters
line = regexPattern.Replace(line, (m) => ReverseText(RTLFixer.Fix(m.Value)));
}
else
{
// Split into lines of maximum length
var regex = new Regex(".{0," + maxCharacters + "}(\\s+|$)", RegexOptions.Multiline);
line = line.Replace("\r\n", "\n");
line = regex.Replace(line, "$0\n");
line = line.Replace("\n\n", "\n");
line = line.TrimEnd('\n');
//if (line.EndsWith("\n\n"))
// line = line.Substring(0, line.Length - 2);
// Apply the RTL fix for each line
var lines = line.Split('\n');
for (int i = 0, imax = lines.Length; i < imax; ++i)
{
lines[i] = regexPattern.Replace(lines[i], (m) => ReverseText(RTLFixer.Fix(m.Value)));
}
line = string.Join("\n", lines);
}
return(line);
}
void AppendToCharSet(HashSet <char> sb, string text, bool isRTL)
{
if (string.IsNullOrEmpty(text))
{
return;
}
text = RemoveTagsPrefix(text, "[i2p_");
text = RemoveTagsPrefix(text, "[i2s_");
if (isRTL)
{
text = RTLFixer.Fix(text);
}
foreach (char c in text)
{
if (!mCharSetTool_CaseSensitive)
{
sb.Add(char.ToLowerInvariant(c));
sb.Add(char.ToUpperInvariant(c));
}
else
{
sb.Add(c);
}
}
}
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 any non-RTL character at the beggining because those need to be converted to RTL direction (place them at the end)
//int ifirst = 0;
//while (ifirst<line.Length && line[ifirst] < 255)
// ifirst++;
// unless there is tag there
//if (FindNextTag(line, 0, out tagStart, out tagEnd))
// ifirst = ifirst < tagStart ? ifirst : tagStart;
//string linePrefix = ifirst>0 ? line.Substring(0, ifirst) : string.Empty;
//line = line.Substring(ifirst);
//int ilast = line.Length-1;
//string linePostfix = "";
//while (ilast > 0 && line[ilast] < 255)
//{
// char c = line[ilast];
// switch (c)
// {
// case '(': c = ')'; break;
// case ')': c = '('; break;
// case '[': c = ']'; break;
// case ']': c = '['; break;
// case '{': c = '}'; break;
// case '}': c = '{'; break;
// }
// linePostfix += c;
// ilast--;
//}
//line = line.Substring(0, ilast);
// Find all Tags (and Numbers if ignoreNumbers is true)
int tagBase = 40000;
tagEnd = 0;
var tags = new List <string>();
while (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
if (maxCharacters <= 0)
{
line = RTLFixer.Fix(line, true, !ignoreNumbers);
//line = linePrefix + linePostfix + line;
}
else
{
// Split into lines of maximum length
var regex = new Regex(".{0," + maxCharacters + "}(\\s+|$)", RegexOptions.Multiline);
line = line.Replace("\r\n", "\n");
line = regex.Replace(line, "$0\n");
line = line.Replace("\n\n", "\n");
line = line.TrimEnd('\n');
//if (line.EndsWith("\n\n"))
// line = line.Substring(0, line.Length - 2);
// Apply the RTL fix for each line
var lines = line.Split('\n');
for (int i = 0, imax = lines.Length; i < imax; ++i)
{
lines[i] = RTLFixer.Fix(lines[i], true, !ignoreNumbers);
}
//lines[lines.Length-1] = linePrefix + linePostfix + lines[lines.Length - 1];
line = string.Join("\n", lines);
}
// 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);
}
private static string FixRTLString(string s)
{
return(Reverse(RTLFixer.Fix(s)));
}
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);
}