unichar

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Object Hierarchy:

Description:

Content:

Constants:

• public const int MAX_DECOMPOSITION_LENGTH
  The maximum length (in codepoints) of a compatibility or canonical decomposition of a single Unicode character.

Static methods:

• public static unichar min (unichar a, unichar b)
• public static unichar max (unichar a, unichar b)

Methods:

• public bool validate ()
  Checks whether ch is a valid Unicode character.
• public bool isalnum ()
  Determines whether a character is alphanumeric.
• public bool isalpha ()
  Determines whether a character is alphabetic (i.
• public bool iscntrl ()
  Determines whether a character is a control character.
• public bool isdigit ()
  Determines whether a character is numeric (i.
• public bool isgraph ()
  Determines whether a character is printable and not a space (returns false for control characters, format characters, and spaces).
• public bool islower ()
  Determines whether a character is a lowercase letter.
• public bool ismark ()
  Determines whether a character is a mark (non-spacing mark, combining mark, or enclosing mark in Unicode speak).
• public bool isprint ()
  Determines whether a character is printable.
• public bool ispunct ()
  Determines whether a character is punctuation or a symbol.
• public bool isspace ()
  Determines whether a character is a space, tab, or line separator ( newline, carriage return, etc.
• public bool isupper ()
  Determines if a character is uppercase.
• public bool isxdigit ()
  Determines if a character is a hexidecimal digit.
• public bool istitle ()
  Determines if a character is titlecase.
• public bool isdefined ()
  Determines if a given character is assigned in the Unicode standard.
• public bool iswide ()
  Determines if a character is typically rendered in a double-width cell.
• public bool iswide_cjk ()
  Determines if a character is typically rendered in a double-width cell under legacy East Asian locales.
• public bool iszerowidth ()
  Determines if a given character typically takes zero width when rendered.
• public unichar toupper ()
  Converts a character to uppercase.
• public unichar tolower ()
  Converts a character to lower case.
• public unichar totitle ()
  Converts a character to the titlecase.
• public int digit_value ()
  Determines the numeric value of a character as a decimal digit.
• public int xdigit_value ()
  Determines the numeric value of a character as a hexidecimal digit.
• public UnicodeType type ()
  Classifies a Unicode character by type.
• public UnicodeBreakType break_type ()
  Determines the break type of c.
• public UnicodeScript get_script ()
  Looks up the UnicodeScript for a particular character (as defined by Unicode Standard Annex #24).
• public int to_utf8 (string? outbuf)
  Converts a single character to UTF-8.
• public string? to_string ()
• public bool compose (unichar b, out unichar ch)
  Performs a single composition step of the Unicode canonical composition algorithm.
• public bool decompose (out unichar a, out unichar b)
  Performs a single decomposition step of the Unicode canonical decomposition algorithm.
• public size_t fully_decompose (bool compat, unichar[] result)
  Computes the canonical or compatibility decomposition of a Unicode character.
• public unichar clamp (unichar low, unichar high)