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m17nPlist(3m17n) The m17n Library m17nPlist(3m17n)

NAME

m17nPlist - Property List

SYNOPSIS

Functions


MPlist * mplist_deserialize (MText *mt)
Generate a property list by deserializing an M-text. MPlist * mplist (void)
Create a property list object. MPlist * mplist_copy (MPlist *plist)
Copy a property list. MPlist * mplist_put (MPlist *plist, MSymbol key, void *val)
Set the value of a property in a property list. void * mplist_get (MPlist *plist, MSymbol key)
Get the value of a property in a property list. MPlist * mplist_put_func (MPlist *plist, MSymbol key, M17NFunc func)
Set the value (function pointer) of a property in a property list. M17NFunc mplist_get_func (MPlist *plist, MSymbol key)
Get the value (function pointer) of a property in a property list. MPlist * mplist_add (MPlist *plist, MSymbol key, void *val)
Add a property at the end of a property list. MPlist * mplist_push (MPlist *plist, MSymbol key, void *val)
Add a property at the beginning of a property list. void * mplist_pop (MPlist *plist)
Remove a property at the beginning of a property list. MPlist * mplist_find_by_key (MPlist *plist, MSymbol key)
Find a property of a specific key in a property list. MPlist * mplist_find_by_value (MPlist *plist, void *val)
Find a property of a specific value in a property list. MPlist * mplist_next (MPlist *plist)
Return the next sublist of a property list. MPlist * mplist_set (MPlist *plist, MSymbol key, void *val)
Set the first property in a property list. int mplist_length (MPlist *plist)
Return the length of a property list. MSymbol mplist_key (MPlist *plist)
Return the key of the first property in a property list. void * mplist_value (MPlist *plist)
Return the value of the first property in a property list.

Variables


MSymbol Minteger
Symbol whose name is 'integer'. MSymbol Mplist
Symbol whose name is 'plist'. MSymbol Mtext
Symbol whose name is 'mtext'.

Detailed Description

@addtogroup m17nPlist
@brief Property List objects and API for them.
A @e property @e list (or @e plist for short) is a list of zero or
more properties.  A property consists of a @e key and a @e value,
where key is a symbol and value is anything that can be cast to
<tt>(void *)</tt>.
If the key of a property is a @e managing @e key, its @e value is
a @e managed @e object.  A property list itself is a managed
objects.
If each key of a plist is one of #Msymbol, #Mtext, #Minteger, and
#Mplist, the plist is called as @e well-formed and represented by
the following notation in the documentation.




      PLIST ::= '(' ELEMENT * ')'


      ELEMENT ::= INTEGER | SYMBOL | M-TEXT | PLIST


      M-TEXT ::= '"' text data ... '"'


For instance, if a plist has four elements; integer -20, symbol of
name "sym", M-text of contents "abc", and plist of integer 10 and
symbol of name "another-symbol", it is represented as this:


  (-20 sym "abc" (10 another-symbol))

Variable Documentation

MSymbol Minteger

Symbol whose name is 'integer'. The symbol Minteger has the name 'integer'. The value of a property whose key is Minteger must be an integer.

MSymbol Mplist

Symbol whose name is 'plist'. The symbol Mplist has the name 'plist'. It is a managing key. A value of a property whose key is Mplist must be a plist.

MSymbol Mtext

Symbol whose name is 'mtext'. The symbol Mtext has the name 'mtext'. It is a managing key. A value of a property whose key is Mtext must be an M-text.

Author

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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>.

Mon Sep 25 2023 Version 1.8.4