/// <summary>
/// Calculate all text excluding space (tags are not counted).
/// </summary>
public decimal CountCharacters(string text, bool forCps)
{
if (!forCps)
{
return(new CalcAll().CountCharacters(text, false));
}
const char zeroWidthSpace = '\u200B';
const char zeroWidthNoBreakSpace = '\uFEFF';
var length = 0;
var ssaTagOn = false;
var htmlTagOn = false;
var max = text.Length;
for (var i = 0; i < max; i++)
{
var ch = text[i];
if (ssaTagOn)
{
if (ch == '}')
{
ssaTagOn = false;
}
}
else if (htmlTagOn)
{
if (ch == '>')
{
htmlTagOn = false;
}
}
else if (ch == '{' && i < text.Length - 1 && text[i + 1] == '\\')
{
ssaTagOn = true;
}
else if (ch == '<' && i < text.Length - 1 && (text[i + 1] == '/' || char.IsLetter(text[i + 1])) &&
text.IndexOf('>', i) > 0 && TextLengthHelper.IsKnownHtmlTag(text, i))
{
htmlTagOn = true;
}
else if (!char.IsControl(ch) &&
ch != ' ' &&
ch != zeroWidthSpace &&
ch != zeroWidthNoBreakSpace &&
ch != '\u200E' &&
ch != '\u200F' &&
ch != '\u202A' &&
ch != '\u202B' &&
ch != '\u202C' &&
ch != '\u202D' &&
ch != '\u202E')
{
length++;
}
}
return(length);
}
/// <summary>
/// Calculate all text including space (tags are not counted).
/// </summary>
public decimal CountCharacters(string text)
{
if (string.IsNullOrEmpty(text))
{
return(0);
}
const char zeroWidthSpace = '\u200B';
const char zeroWidthNoBreakSpace = '\uFEFF';
var count = 0m;
var ssaTagOn = false;
var htmlTagOn = false;
var max = text.Length;
for (var i = 0; i < max; i++)
{
var ch = text[i];
if (ssaTagOn)
{
if (ch == '}')
{
ssaTagOn = false;
}
}
else if (htmlTagOn)
{
if (ch == '>')
{
htmlTagOn = false;
}
}
else if (ch == '{' && i < text.Length - 1 && text[i + 1] == '\\')
{
ssaTagOn = true;
}
else if (ch == '<' && i < text.Length - 1 && (text[i + 1] == '/' || char.IsLetter(text[i + 1])) &&
text.IndexOf('>', i) > 0 && TextLengthHelper.IsKnownHtmlTag(text, i))
{
htmlTagOn = true;
}
else if (!char.IsControl(ch) &&
ch != ' ' &&
ch != zeroWidthSpace &&
ch != zeroWidthNoBreakSpace &&
ch != '\u200E' &&
ch != '\u200F' &&
ch != '\u202A' &&
ch != '\u202B' &&
ch != '\u202C' &&
ch != '\u202D' &&
ch != '\u202E')
{
if (CalcCjk.JapaneseHalfWidthCharacters.Contains(ch))
{
count += 0.5m;
}
else if (CalcCjk.ChineseFullWidthPunctuations.Contains(ch) ||
LanguageAutoDetect.JapaneseLetters.Contains(ch) ||
LanguageAutoDetect.KoreanLetters.Contains(ch) ||
CalcCjk.IsCjk(ch))
{
count++;
}
else
{
count += 0.5m;
}
}
}
return(count);
}
/// <summary>
/// Calculate all text except punctuation or space (tags are not counted).
/// </summary>
public decimal CountCharacters(string text, bool forCps)
{
const char zeroWidthSpace = '\u200B';
const char zeroWidthNoBreakSpace = '\uFEFF';
var length = 0;
var ssaTagOn = false;
var htmlTagOn = false;
var max = text.Length;
for (var i = 0; i < max; i++)
{
var ch = text[i];
if (ssaTagOn)
{
if (ch == '}')
{
ssaTagOn = false;
}
}
else if (htmlTagOn)
{
if (ch == '>')
{
htmlTagOn = false;
}
}
else if (ch == '{' && i < text.Length - 1 && text[i + 1] == '\\')
{
ssaTagOn = true;
}
else if (ch == '<' && i < text.Length - 1 && (text[i + 1] == '/' || char.IsLetter(text[i + 1])) &&
text.IndexOf('>', i) > 0 && TextLengthHelper.IsKnownHtmlTag(text, i))
{
htmlTagOn = true;
}
else if (!char.IsControl(ch) &&
ch != ' ' &&
ch != '\t' &&
ch != zeroWidthSpace &&
ch != zeroWidthNoBreakSpace &&
ch != '\u200E' &&
ch != '\u200F' &&
ch != '\u202A' &&
ch != '\u202B' &&
ch != '\u202C' &&
ch != '\u202D' &&
ch != '\u202E' &&
ch != '\u02F8' && // ˸ Modifier Letter Raised Colon (\u02F8)
ch != '\uFF1A' && // ： Fullwidth Colon (\uFF1A)
ch != '\uFE13' && // ︓ Presentation Form for Vertical Colon (\uFE13)
ch != '\u2043' && // ⁃ Hyphen bullet (\u2043)
ch != '\u2010' && // ‐ Hyphen (\u2010)
ch != '\u2012' && // ‒ Figure dash (\u2012)
ch != '\u2013' && // – En dash (\u2013)
ch != '-' &&
ch != '\'' &&
ch != '"' &&
ch != ':' &&
ch != '(' &&
ch != ')' &&
ch != '{' &&
ch != '}' &&
ch != '[' &&
ch != ']' &&
ch != '…' &&
ch != ',' &&
ch != '.' &&
ch != '!' &&
ch != '?' &&
ch != '¡' &&
ch != '¿')
{
length++;
}
}
return(length);
}
