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if (word(2 $loadinfo()) != [pf]) { load -pf $word(1 $loadinfo()); return; };
# $EPIC: meta-compat,v 1.3 2005/06/25 14:12:12 jnelson Exp $
# meta-compat - compatibility layer for old-style /bind METAx-y sequences
#
# Copyright 2003 Ben Winslow <rain bluecherry net>
#
# Released under the same license as ircII-EPIC
#
# Caveat: The sticky behavior of META4 isn't supported; META4 will behave
# like any other meta level.
package meta-compat
alias bind (binding, boundto) {
# we're resetting everything to the defaults - clear our list of
# meta keys and reinitialize
@metacompat.depth++;
if (metacompat.depth > 100) {
xecho -b meta-compat: recursed too many times for /bind $binding $boundto;
return;
};
# echo bind: $repeat($metacompat.depth $chr(9)) $binding $boundto;
if (binding == [-DEFAULTS]) {
//bind -defaults;
metacompat.defaults;
@metacompat.depth--;
return;
};
# this binding uses a meta type, resolve it into a key sequence
if (binding =~ [META%-%]) {
@:spec=rest(4 $binding);
@:meta=before(- $spec);
@:keys=after(- $spec);
foreach metacompat[$meta][defs] curmeta {
bind $decode($curmeta)$keys $boundto;
};
if (boundto == [NOTHING]) {
@:boundto=[];
};
@metacompat[$meta][keys][$encode($keys)]=boundto;
@metacompat.depth--;
return;
};
# look for an existing meta level on this key and clear it because
# we're binding to something else. additionally, remove any underlying
# bindings that will no longer be relevant when this key is removed
@:encoded=encode($binding);
foreach metacompat curmeta {
if (metacompat[$curmeta][defs][$encoded]) {
# unbind any affected keys
foreach metacompat[$curmeta][keys] curkey {
^bind $decode($encoded$curkey) NOTHING;
};
^assign -metacompat[$curmeta][defs][$encoded];
};
};
# this binding sets a meta level, save it and NOP
if (boundto =~ [META%]) {
@:spec=rest(4 $boundto);
@:meta=before(_ $spec);
# allow shortcutting to METAx instead of METAx_CHARACTER
if (meta == []) {
@:meta=spec;
};
@metacompat[$meta][defs][$encode($binding)]=1;
# rebind keys for this meta level so that the new meta character
# takes effect
foreach metacompat[$meta][keys] curkey {
bind META$META-$decode($curkey) $metacompat[$meta][keys][$curkey];
};
@metacompat.depth--;
return;
};
# we've either resolved the binding to a key sequence, or this is
# a new-style bind that we don't need to mangle
if (boundto == []) {
//bind $binding;
} else {
//bind $binding $boundto;
};
@metacompat.depth--;
};
alias metacompat.defaults {
fe ($aliasctl(ASSIGN PMATCH metacompat\.*)) metainfo {
^assign -$metainfo;
};
# defaults from EPIC4-1.0.1
bind ^X META2_CHARACTER;
bind ^[ META1_CHARACTER;
bind META1-O META2_CHARACTER;
bind META1-[ META2_CHARACTER;
bind META2-1 META32_CHARACTER;
bind META2-4 META33_CHARACTER;
bind META2-5 META30_CHARACTER;
bind META2-6 META31_CHARACTER;
};
metacompat.defaults;
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