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NAME

       m17nChartable_-_Chart -  - Chartable objects and API for them.

SYNOPSIS

   Typedefs
       typedef struct MCharTable MCharTable
           Type of chartables.

   Functions
       MCharTable * mchartable (MSymbol key, void *default_value)
           Create a new chartable.
       int mchartable_min_char (MCharTable *table)
           Return the minimum character whose value is set in a chartabe.
       int mchartable_max_char (MCharTable *table)
           Return the maximum character whose value is set in a chartabe.
       void * mchartable_lookup (MCharTable *table, int c)
           Return the assigned value of a character in a chartable.
       int mchartable_set (MCharTable *table, int c, void *val)
           Assign a value to a character in a chartable.
       int mchartable_set_range (MCharTable *table, int from, int to, void *val)
           Assign a value to the characters in the specified range.
       void mchartable_range (MCharTable *table, int *from, int *to)
           Search for characters that have non-default value.
       int mchartable_map (MCharTable *table, void *ignore, void(*func)(int, int, void *, void
           *), void *func_arg)
           Call a function for characters in a chartable.

   Variables
       MSymbol Mchar_table

Detailed Description

       Chartable objects and API for them.

       Symbol whose name is 'char-table'.

       The m17n library supports enormous number of characters. Thus, if attributes of each
       character are to be stored in a simple array, such an array would be impractically big.
       The attributes usually used, however, are often assigned only to a range of characters.
       Even when all characters have attributes, characters of consecutive character code tend to
       have the same attribute values.

       The m17n library utilizes this tendency to store characters and their attribute values
       efficiently in an object called Chartable. Although a chartable object is not a simple
       array, application programs can handle a chartable as if it is an array. Attribute values
       of a character can be obtained by accessing a Chartable for the attribute with the
       character code of the specified character.

       A chartable is a managed object.

       The symbol Mchar_table has the name 'char-table'.

Typedef Documentation

   typedef struct MCharTable MCharTable
       Type of chartables. <>

       The type MCharTable is for a chartable objects. Its internal structure is concealed from
       application programs.

Variable Documentation

   MSymbol Mchar_table

Author

       Generated automatically by Doxygen for The m17n Library from the source code.

COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology
       (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of
       the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.