/// <summary>
/// Get the property value for an enumerated or integer Unicode property for a code point.
/// Also returns binary and mask property values.
/// Unicode, especially in version 3.2, defines many more properties than the original set in UnicodeData.txt.
/// The properties APIs are intended to reflect Unicode properties as defined in the Unicode Character Database (UCD) and Unicode Technical Reports (UTR). For details about the properties see http://www.unicode.org/ . For names of Unicode properties see the UCD file PropertyAliases.txt.
/// </summary>
/// <remarks>
/// If <paramref name="which"/> is <see cref="UProperty.GENERAL_CATEGORY"/>, the return value will not match
/// the enumeration in FwKernel: LgGeneralCharCategory.
/// </remarks>
/// <param name="characterCode">Code point to test. </param>
/// <param name="which">UProperty selector constant, identifies which property to check. Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT or UCHAR_INT_START<=which<UCHAR_INT_LIMIT or UCHAR_MASK_START<=which<UCHAR_MASK_LIMIT.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="which"/> does not meet the requirement UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT or UCHAR_INT_START<=which<UCHAR_INT_LIMIT or UCHAR_MASK_START<=which<UCHAR_MASK_LIMIT.</exception>
public static int GetIntPropertyValue(int characterCode, UProperty which)
{
if ((which < UProperty.BINARY_START || which >= UProperty.BINARY_LIMIT) &&
(which < UProperty.INT_START || which >= UProperty.INT_LIMIT) &&
(which < UProperty.MASK_START || which >= UProperty.MASK_LIMIT))
{
throw new ArgumentOutOfRangeException(nameof(characterCode));
}
return(NativeMethods.u_getIntPropertyValue(characterCode, which));
}
/// <summary>
/// Determines whether the specified character code is numeric, based on the
/// UProperty.NUMERIC_TYPE property.
/// </summary>
/// <param name="characterCode">The character code.</param>
public static bool IsNumeric(int characterCode)
{
return(NativeMethods.u_getIntPropertyValue(characterCode, UProperty.NUMERIC_TYPE) != 0);
}
/// <summary>
/// Determines whether the specified character code is alphabetic, based on the
/// UProperty.DIACRITIC property.
/// </summary>
/// <param name="characterCode">The character code.</param>
public static bool IsDiacritic(int characterCode)
{
return(NativeMethods.u_getIntPropertyValue(characterCode, UProperty.DIACRITIC) != 0);
}
/// <summary>
/// Determines whether the specified character code is ideographic, based on the
/// UProperty.IDEOGRAPHIC property.
/// </summary>
/// <param name="characterCode">The character code.</param>
public static bool IsIdeographic(int characterCode)
{
return(NativeMethods.u_getIntPropertyValue(characterCode, UProperty.IDEOGRAPHIC) != 0);
}
/// <summary>
/// Determines whether the specified character code is alphabetic, based on the
/// UProperty.ALPHABETIC property.
/// </summary>
/// <param name="characterCode">The character code.</param>
public static bool IsAlphabetic(int characterCode)
{
return(NativeMethods.u_getIntPropertyValue(characterCode, UProperty.ALPHABETIC) != 0);
}
/// <summary>
/// Get the property value for an enumerated or integer Unicode property for a code point.
/// Also returns binary and mask property values.
/// </summary>
/// <param name="codePoint">Code point to test. </param>
/// <param name="which">UProperty selector constant, identifies which property to check.
/// Must be UProperty.BINARY_START <= which < UProperty.BINARY_LIMIT or
/// UProperty.INT_START <= which < UProperty.INT_LIMIT or
/// UProperty.MASK_START <= which < UProperty.MASK_LIMIT.</param>
/// <returns>
/// Numeric value that is directly the property value or, for enumerated properties,
/// corresponds to the numeric value of the enumerated constant of the respective property
/// value enumeration type (cast to enum type if necessary).
/// Returns 0 or 1 (for <c>false</c>/<c>true</c>) for binary Unicode properties.
/// Returns a bit-mask for mask properties.
/// Returns 0 if 'which' is out of bounds or if the Unicode version does not have data for
/// the property at all, or not for this code point.
/// </returns>
/// <remarks>
/// Unicode, especially in version 3.2, defines many more properties than the original set
/// in UnicodeData.txt.
/// The properties APIs are intended to reflect Unicode properties as defined in the
/// Unicode Character Database (UCD) and Unicode Technical Reports (UTR). For details
/// about the properties <see href="http: //www.unicode.org/"/> . For names of Unicode
/// properties see the UCD file <see cref="PropertyAliases.txt"/>.
/// </remarks>
public static int GetIntPropertyValue(int codePoint, UProperty which)
{
return(NativeMethods.u_getIntPropertyValue(codePoint, which));
}
