clqr-characters.tex

   1 % Copyright (C) 2008 Bert Burgemeister
   2 %
   3 % Permission is granted to copy, distribute and/or modify this
   4 % document under the terms of the GNU Free Documentation License,
   5 % Version 1.2 or any later version published by the Free Software
   6 % Foundation; with no Invariant Sections, no Front-Cover Texts and
   7 % no Back-Cover Texts. For details see file COPYING.
   8 %
   9
  10 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  11 \section{Characters}
  12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  13
  14 \begin{LIST}{1cm}
  15
  16   \IT{\arrGOO{(\FU*{CHARACTERP} \VAR{ foo})\\
  17       (\FU*{STANDARD-CHAR-P} \VAR{ char})}{\}}}
  18   Return \retval{\T} if \VAR{foo} is indicated type.
  19
  20   \IT{\arrGOO{(\FU*{GRAPHIC-CHAR-P} \VAR{ char})\\
  21       (\FU*{ALPHA-CHAR-P} \VAR{ char})\\
  22       (\FU*{ALPHANUMERICP} \VAR{ char})}{\}}}
  23   \retval{\T} if \VAR{char} is visible, alphabetic, or
  24   alphanumeric, resp.
  25
  26   \IT{\arrGOO{(\FU*{UPPER-CASE-P} \VAR{ char})\\
  27       (\FU*{LOWER-CASE-P} \VAR{ char})\\
  28       (\FU*{BOTH-CASE-P} \VAR{ char})}{\}}}
  29   Return \retval{\T} if \VAR{char} is uppercase, lowercase, or
  30   able to be in another case, resp.
  31
  32   \IT{(\FU*{DIGIT-CHAR-P} \VAR{char} \VAR{radix}\DF{10})}
  33   Return \retval{its weight} if \VAR{char} is a digit, or
  34   \retval{\NIL} otherwise.
  35
  36   \IT{\arrGOO{(\FU*{CHAR=}\RP{\VAR{
  37           character}})\\(\FU*{CHAR/=}\RP{\VAR{
  38           character}})}{\}}}
  39   Return \retval{\T} if all \VAR{character}s, or
  40   none, resp.,  are equal.
  41
  42   \IT{\arrGOO{(\FU*{CHAR-EQUAL}\RP{\VAR{
  43           character}})\\(\FU*{CHAR-NOT-EQUAL}\RP{\VAR{ character}})}{\}}}
  44   Return \retval{\T} if all \VAR{character}s, or
  45   none, resp.,  are equal ignoring case.
  46
  47   \IT{\arrGOO{(\FU{CHAR\boldmath$>$}\RP{\VAR{
  48           character}})\\(\FU{CHAR\boldmath$>=$}\RP{\VAR{
  49           character}})\\(\FU{CHAR\boldmath$<$}\RP{\VAR{
  50           character}})\\(\FU{CHAR\boldmath$<=$}\RP{\VAR{
  51           character}})}{\}}}
  52   \index{char>@CHAR\boldmath$>$}%
  53   \index{char>=@CHAR\boldmath$>=$}%
  54   \index{char<@CHAR\boldmath$<$}%
  55   \index{char<=@CHAR\boldmath$<=$}%
  56   Return \retval{\T} if \VAR{character}s are
  57   monotonically decreasing, monotonically non-increasing, monotonically
  58   increasing, or monotonically non-decreasing, resp.
  59
  60   \IT{\arrGOO{
  61       (\FU*{CHAR-GREATERP}\RP{\VAR{ character}})\\
  62       (\FU*{CHAR-NOT-LESSP}\RP{\VAR{ character}})\\
  63       (\FU*{CHAR-LESSP}\RP{\VAR{ character}})\\
  64       (\FU*{CHAR-NOT-GREATERP}\RP{\VAR{ character}})}{\}}}
  65   Return \retval{\T} if \VAR{character}s are
  66   monotonically decreasing, monotonically non-increasing, monotonically
  67   increasing, or monotonically non-decreasing, resp., ignoring case.
  68
  69   \IT{\arrGOO{(\FU*{CHAR-UPCASE} \VAR{ character})\\
  70       (\FU*{CHAR-DOWNCASE} \VAR{ character})}{\}}}
  71   Return corresponding uppercase/lowercase \retval{character}, resp.
  72
  73   \IT{(\kwd*{CHAR-INT} \VAR{character})}
  74   Return \retval{integer} encoding \VAR{character}.
  75
  76   \IT{(\FU*{DIGIT-CHAR} \VAR{i} \Op{\VAR{radix}\DF{10}})}
  77   \retval{Character} representing digit \VAR{i}.
  78
  79   \IT{(\FU*{CHAR-NAME} \VAR{character})}
  80   Return \retval{name} of \VAR{character} if there is one, or
  81   \retval{\NIL}.
  82
  83   \IT{(\FU*{NAME-CHAR} \VAR{name})}
  84   Return \retval{character} with \VAR{name} if there is one, or
  85   \retval{\NIL}.
  86
  87   \IT{(\FU*{CHAR-CODE} \VAR{character})}
  88   Return \retval{code of \VAR{character}}.
  89
  90   \IT{(\FU*{CODE-CHAR} \VAR{code})}
  91   \retval{Character} with \VAR{code}.
  92
  93   \IT{\CNS*{CHAR-CODE-LIMIT}}
  94   Upper bound of (\FU{CHAR-CODE} \VAR{char}).
  95
  96   \IT{(\FU*{CHARACTER} \VAR{c})}
  97   Return \retval{\kwd{\#$\backslash$}\VAR{c}}.
  98
  99 \end{LIST}
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