private static bool IsNewCategory(UnicodeCategory category, DecamelizeOptions options)
{
if ((options.TextOptions & DecamelizeTextOptions.DontDecamelizeNumbers) == DecamelizeTextOptions.DontDecamelizeNumbers)
{
if (category == UnicodeCategory.LetterNumber ||
category == UnicodeCategory.DecimalDigitNumber ||
category == UnicodeCategory.OtherNumber)
{
return(false);
}
}
return(true);
}
private static bool IsNewCategory(UnicodeCategory category, DecamelizeOptions options)
{
if ((options.TextOptions & DecamelizeTextOptions.DontDecamelizeNumbers) == DecamelizeTextOptions.DontDecamelizeNumbers)
{
if (category == UnicodeCategory.LetterNumber ||
category == UnicodeCategory.DecimalDigitNumber ||
category == UnicodeCategory.OtherNumber)
return false;
}
return true;
}
// input: a string like loadByWhateverStuff
// output: a string like Load By Whatever Stuff
// BBKing -> BBKing
// BBOKing -> BboKing
// LoadBy25Years -> Load By 25 Years
// SoftFluent.PetShop -> Soft Fluent. Pet Shop
// Data2_FileName -> Data 2 File Name
// _WhatIs -> _What is
// __WhatIs -> __What is
// __What__Is -> __What is
// MyParam1 -> My Param 1
// MyParam1Baby -> My Param1 Baby (if DontDecamelizeNumbers)
public virtual string Decamelize(string text, DecamelizeOptions options)
{
if (string.IsNullOrEmpty(text))
return text;
if (options == null)
{
options = new DecamelizeOptions();
}
StringBuilder sb = new StringBuilder(text.Length);
// 0=lower, 1=upper, 2=special char
UnicodeCategory lastCategory = CharUnicodeInfo.GetUnicodeCategory(text[0]);
UnicodeCategory prevCategory = lastCategory;
if (lastCategory == UnicodeCategory.UppercaseLetter)
{
lastCategory = UnicodeCategory.LowercaseLetter;
}
int i = 0;
bool firstIsStillUnderscore = (text[0] == '_');
if (((options.TextOptions & DecamelizeTextOptions.UnescapeUnicode) == DecamelizeTextOptions.UnescapeUnicode) && (CanUnicodeEscape(text, 0)))
{
sb.Append(GetUnicodeEscape(text, ref i));
}
else if (((options.TextOptions & DecamelizeTextOptions.UnescapeHexadecimal) == DecamelizeTextOptions.UnescapeHexadecimal) && (CanHexadecimalEscape(text, 0)))
{
sb.Append(GetHexadecimalEscape(text, ref i));
}
else
{
if ((options.TextOptions & DecamelizeTextOptions.ForceFirstUpper) == DecamelizeTextOptions.ForceFirstUpper)
{
sb.Append(Char.ToUpper(text[0]));
}
else
{
sb.Append(text[0]);
}
}
bool separated = false;
bool keepFormat = (options.TextOptions & DecamelizeTextOptions.KeepFormattingIndices) == DecamelizeTextOptions.KeepFormattingIndices;
for (i++; i < text.Length; i++)
{
char c = text[i];
if (((options.TextOptions & DecamelizeTextOptions.UnescapeUnicode) == DecamelizeTextOptions.UnescapeUnicode) && (CanUnicodeEscape(text, i)))
{
sb.Append(GetUnicodeEscape(text, ref i));
separated = true;
}
else if (((options.TextOptions & DecamelizeTextOptions.UnescapeHexadecimal) == DecamelizeTextOptions.UnescapeHexadecimal) && (CanHexadecimalEscape(text, i)))
{
sb.Append(GetHexadecimalEscape(text, ref i));
separated = true;
}
else if (c == '_')
{
if ((!firstIsStillUnderscore) || ((options.TextOptions & DecamelizeTextOptions.KeepFirstUnderscores) != DecamelizeTextOptions.KeepFirstUnderscores))
{
sb.Append(' ');
separated = true;
}
else
{
sb.Append(c);
}
}
else
{
UnicodeCategory category = CharUnicodeInfo.GetUnicodeCategory(c);
switch (category)
{
case UnicodeCategory.ClosePunctuation:
case UnicodeCategory.ConnectorPunctuation:
case UnicodeCategory.DashPunctuation:
case UnicodeCategory.EnclosingMark:
case UnicodeCategory.FinalQuotePunctuation:
case UnicodeCategory.Format:
case UnicodeCategory.InitialQuotePunctuation:
case UnicodeCategory.LineSeparator:
case UnicodeCategory.OpenPunctuation:
case UnicodeCategory.OtherPunctuation:
case UnicodeCategory.ParagraphSeparator:
case UnicodeCategory.SpaceSeparator:
case UnicodeCategory.SpacingCombiningMark:
if ((keepFormat) && (c == '{'))
{
while (c != '}')
{
c = text[i++];
sb.Append(c);
}
i--;
separated = true;
break;
}
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) == DecamelizeTextOptions.ForceRestLower)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(c);
}
sb.Append(' ');
separated = true;
break;
case UnicodeCategory.LetterNumber:
case UnicodeCategory.DecimalDigitNumber:
case UnicodeCategory.OtherNumber:
case UnicodeCategory.CurrencySymbol:
case UnicodeCategory.LowercaseLetter:
case UnicodeCategory.MathSymbol:
case UnicodeCategory.ModifierLetter:
case UnicodeCategory.ModifierSymbol:
case UnicodeCategory.NonSpacingMark:
case UnicodeCategory.OtherLetter:
case UnicodeCategory.OtherNotAssigned:
case UnicodeCategory.Control:
case UnicodeCategory.OtherSymbol:
case UnicodeCategory.Surrogate:
case UnicodeCategory.PrivateUse:
case UnicodeCategory.TitlecaseLetter:
case UnicodeCategory.UppercaseLetter:
if (((category != lastCategory) && (c != ' ')) && (IsNewCategory(category, options)))
{
if ((!separated) && (prevCategory != UnicodeCategory.UppercaseLetter) &&
((!firstIsStillUnderscore) || ((options.TextOptions & DecamelizeTextOptions.KeepFirstUnderscores) != DecamelizeTextOptions.KeepFirstUnderscores)))
{
sb.Append(' ');
}
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) != 0)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(Char.ToUpper(c));
}
char upper = Char.ToUpper(c);
category = CharUnicodeInfo.GetUnicodeCategory(upper);
lastCategory = category == UnicodeCategory.UppercaseLetter ? UnicodeCategory.LowercaseLetter : category;
}
else
{
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) == DecamelizeTextOptions.ForceRestLower)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(c);
}
}
separated = false;
break;
}
firstIsStillUnderscore = firstIsStillUnderscore && (c == '_');
prevCategory = category;
}
}
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByUnderscore) == DecamelizeTextOptions.ReplaceSpacesByUnderscore)
return sb.Replace(' ', '_').ToString();
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByMinus) == DecamelizeTextOptions.ReplaceSpacesByMinus)
return sb.Replace(' ', '-').ToString();
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByDot) == DecamelizeTextOptions.ReplaceSpacesByDot)
return sb.Replace(' ', '.').ToString();
return sb.ToString();
}
// input: a string like loadByWhateverStuff
// output: a string like Load By Whatever Stuff
// BBKing -> BBKing
// BBOKing -> BboKing
// LoadBy25Years -> Load By 25 Years
// SoftFluent.PetShop -> Soft Fluent. Pet Shop
// Data2_FileName -> Data 2 File Name
// _WhatIs -> _What is
// __WhatIs -> __What is
// __What__Is -> __What is
// MyParam1 -> My Param 1
// MyParam1Baby -> My Param1 Baby (if DontDecamelizeNumbers)
public virtual string Decamelize(string text, DecamelizeOptions options)
{
if (string.IsNullOrEmpty(text))
{
return(text);
}
if (options == null)
{
options = new DecamelizeOptions();
}
StringBuilder sb = new StringBuilder(text.Length);
// 0=lower, 1=upper, 2=special char
UnicodeCategory lastCategory = CharUnicodeInfo.GetUnicodeCategory(text[0]);
UnicodeCategory prevCategory = lastCategory;
if (lastCategory == UnicodeCategory.UppercaseLetter)
{
lastCategory = UnicodeCategory.LowercaseLetter;
}
int i = 0;
bool firstIsStillUnderscore = (text[0] == '_');
if (((options.TextOptions & DecamelizeTextOptions.UnescapeUnicode) == DecamelizeTextOptions.UnescapeUnicode) && (CanUnicodeEscape(text, 0)))
{
sb.Append(GetUnicodeEscape(text, ref i));
}
else if (((options.TextOptions & DecamelizeTextOptions.UnescapeHexadecimal) == DecamelizeTextOptions.UnescapeHexadecimal) && (CanHexadecimalEscape(text, 0)))
{
sb.Append(GetHexadecimalEscape(text, ref i));
}
else
{
if ((options.TextOptions & DecamelizeTextOptions.ForceFirstUpper) == DecamelizeTextOptions.ForceFirstUpper)
{
sb.Append(Char.ToUpper(text[0]));
}
else
{
sb.Append(text[0]);
}
}
bool separated = false;
bool keepFormat = (options.TextOptions & DecamelizeTextOptions.KeepFormattingIndices) == DecamelizeTextOptions.KeepFormattingIndices;
for (i++; i < text.Length; i++)
{
char c = text[i];
if (((options.TextOptions & DecamelizeTextOptions.UnescapeUnicode) == DecamelizeTextOptions.UnescapeUnicode) && (CanUnicodeEscape(text, i)))
{
sb.Append(GetUnicodeEscape(text, ref i));
separated = true;
}
else if (((options.TextOptions & DecamelizeTextOptions.UnescapeHexadecimal) == DecamelizeTextOptions.UnescapeHexadecimal) && (CanHexadecimalEscape(text, i)))
{
sb.Append(GetHexadecimalEscape(text, ref i));
separated = true;
}
else if (c == '_')
{
if ((!firstIsStillUnderscore) || ((options.TextOptions & DecamelizeTextOptions.KeepFirstUnderscores) != DecamelizeTextOptions.KeepFirstUnderscores))
{
sb.Append(' ');
separated = true;
}
else
{
sb.Append(c);
}
}
else
{
UnicodeCategory category = CharUnicodeInfo.GetUnicodeCategory(c);
switch (category)
{
case UnicodeCategory.ClosePunctuation:
case UnicodeCategory.ConnectorPunctuation:
case UnicodeCategory.DashPunctuation:
case UnicodeCategory.EnclosingMark:
case UnicodeCategory.FinalQuotePunctuation:
case UnicodeCategory.Format:
case UnicodeCategory.InitialQuotePunctuation:
case UnicodeCategory.LineSeparator:
case UnicodeCategory.OpenPunctuation:
case UnicodeCategory.OtherPunctuation:
case UnicodeCategory.ParagraphSeparator:
case UnicodeCategory.SpaceSeparator:
case UnicodeCategory.SpacingCombiningMark:
if ((keepFormat) && (c == '{'))
{
while (c != '}')
{
c = text[i++];
sb.Append(c);
}
i--;
separated = true;
break;
}
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) == DecamelizeTextOptions.ForceRestLower)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(c);
}
sb.Append(' ');
separated = true;
break;
case UnicodeCategory.LetterNumber:
case UnicodeCategory.DecimalDigitNumber:
case UnicodeCategory.OtherNumber:
case UnicodeCategory.CurrencySymbol:
case UnicodeCategory.LowercaseLetter:
case UnicodeCategory.MathSymbol:
case UnicodeCategory.ModifierLetter:
case UnicodeCategory.ModifierSymbol:
case UnicodeCategory.NonSpacingMark:
case UnicodeCategory.OtherLetter:
case UnicodeCategory.OtherNotAssigned:
case UnicodeCategory.Control:
case UnicodeCategory.OtherSymbol:
case UnicodeCategory.Surrogate:
case UnicodeCategory.PrivateUse:
case UnicodeCategory.TitlecaseLetter:
case UnicodeCategory.UppercaseLetter:
if (((category != lastCategory) && (c != ' ')) && (IsNewCategory(category, options)))
{
if ((!separated) && (prevCategory != UnicodeCategory.UppercaseLetter) &&
((!firstIsStillUnderscore) || ((options.TextOptions & DecamelizeTextOptions.KeepFirstUnderscores) != DecamelizeTextOptions.KeepFirstUnderscores)))
{
sb.Append(' ');
}
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) != 0)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(Char.ToUpper(c));
}
char upper = Char.ToUpper(c);
category = CharUnicodeInfo.GetUnicodeCategory(upper);
lastCategory = category == UnicodeCategory.UppercaseLetter ? UnicodeCategory.LowercaseLetter : category;
}
else
{
if ((options.TextOptions & DecamelizeTextOptions.ForceRestLower) == DecamelizeTextOptions.ForceRestLower)
{
sb.Append(Char.ToLower(c));
}
else
{
sb.Append(c);
}
}
separated = false;
break;
}
firstIsStillUnderscore = firstIsStillUnderscore && (c == '_');
prevCategory = category;
}
}
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByUnderscore) == DecamelizeTextOptions.ReplaceSpacesByUnderscore)
{
return(sb.Replace(' ', '_').ToString());
}
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByMinus) == DecamelizeTextOptions.ReplaceSpacesByMinus)
{
return(sb.Replace(' ', '-').ToString());
}
if ((options.TextOptions & DecamelizeTextOptions.ReplaceSpacesByDot) == DecamelizeTextOptions.ReplaceSpacesByDot)
{
return(sb.Replace(' ', '.').ToString());
}
return(sb.ToString());
}
