/// <summary>
/// Applies any suffixes from the input
/// </summary>
/// <param name="input">Input</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Input with any suffixes</returns>
private string ApplySuffix(string input, CasingSyntax syntax)
{
if (!string.IsNullOrEmpty(syntax.Suffix))
{
return(input + syntax.Suffix);
}
return(input);
}
/// <summary>
/// Applies any prefixes from the input
/// </summary>
/// <param name="input">Input</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Input with any prefixes</returns>
private string ApplyPrefix(string input, CasingSyntax syntax)
{
if (!string.IsNullOrEmpty(syntax.Prefix))
{
return(syntax.Prefix + input);
}
return(input);
}
/// <summary>
/// Removes any suffixes from the input
/// </summary>
/// <param name="input">Input</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Input without any suffixes</returns>
private string RemoveSuffix(string input, CasingSyntax syntax)
{
if (string.IsNullOrEmpty(syntax.Suffix))
{
return(input);
}
if (input.EndsWith(syntax.Suffix))
{
return(input.Substring(0, input.Length - syntax.Suffix.Length));
}
return(input);
}
/// <summary>
/// Removes any prefixes from the input
/// </summary>
/// <param name="input">Input</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Input without any prefixes</returns>
private string RemovePrefix(string input, CasingSyntax syntax)
{
if (string.IsNullOrEmpty(syntax.Prefix))
{
return(input);
}
if (input.StartsWith(syntax.Prefix))
{
return(input.Substring(syntax.Prefix.Length));
}
return(input);
}
/// <summary>
/// Applys the relevant terminator to the given term
/// </summary>
/// <param name="term">Term to be terminated</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Terminated term</returns>
private string ApplyTerminator(string term, CasingSyntax syntax)
{
switch (Syntax.TerminationType)
{
case TermTermination.Uppercase:
return(char.ToUpper(term[0]) + term.Substring(1));
case TermTermination.Character:
return(syntax.Terminator + term);
default:
throw new InvalidOperationException("Unknown Term Termination");
}
}
public CasingSyntax DetermineSyntax(string phrase)
{
PhraseStatistics stats = AnalysePhrase(phrase);
CasingSyntax syntax = new CasingSyntax();
syntax.Capitalisation = DeterminCapitalisation(stats);
syntax.TerminationType = DetermineTerminationType(stats);
syntax.Terminator = DetermineTerminator(stats);
syntax.IncludeTerminator = syntax.TerminationType == TermTermination.Uppercase;
syntax.Prefix = DeterminePrefix(stats);
syntax.Suffix = DetermineSuffix(stats);
return(syntax);
}
/// <summary>
/// Converts from invarient cased pharse to the given syntax
/// </summary>
/// <param name="context">Phrase to convert</param>
/// <param name="syntax">Syntax to use</param>
/// <returns>Converted phrase</returns>
public string ToCase(CasingContext context, CasingSyntax syntax)
{
string result = ApplyPrefix(syntax);
var index = 0;
foreach (string rawTerm in context.Terms)
{
string term = rawTerm;
term = ApplyCapitalisation(term, syntax, index);
if (index > 0)
{
term = ApplyTerminator(term, syntax);
}
result += term;
index++;
}
result = ApplySuffix(result, syntax);
return(result);
}
/// <summary>
/// Applies capitalisation to a term
/// </summary>
/// <param name="term">Term to capitalise</param>
/// <param name="syntax">Syntax to use</param>
/// <param name="index">Index in pharse</param>
/// <returns>Capitalised term</returns>
private string ApplyCapitalisation(string term, CasingSyntax syntax, int index)
{
switch (syntax.Capitalisation)
{
case Capitalisation.Lower:
return(term);
case Capitalisation.LowerThenTitle:
if (index > 0)
{
return(char.ToUpper(term[0]) + term.Substring(1));
}
return(term);
case Capitalisation.Title:
return(char.ToUpper(term[0]) + term.Substring(1));
case Capitalisation.Upper:
return(term.ToUpper());
default:
throw new InvalidOperationException("Unknown Capitalisation Method");
}
}
/// <summary>
/// Converts from the current syntax case to a given syntax
/// </summary>
/// <param name="input">Phrase to convert</param>
/// <param name="syntax">Syntax to convert to</param>
/// <returns>Converted phrase</returns>
public string ToCase(string input, CasingSyntax syntax)
{
CasingContext context = FromCase(input);
return(ToCase(context, syntax));
}
/// <summary>
/// Creates a new converter instance for a given syntax
/// </summary>
/// <param name="syntax">Casing syntax to use when converting</param>
public GenericCasingConverter(CasingSyntax syntax)
{
Syntax = syntax;
}
/// <summary>
/// Applies any prefixes from the input
/// </summary>
/// <param name="syntax">Syntax to use</param>
/// <returns>Input with any prefixes</returns>
private string ApplyPrefix(CasingSyntax syntax)
{
return(ApplyPrefix(string.Empty, syntax));
}
