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/* Copyright 2009-2014
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* BSD License:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
extern val filters;
extern val filter_k, lfilt_k, rfilt_k, to_html_k, from_html_k;
extern val upcase_k, downcase_k, fun_k;
extern val topercent_k, frompercent_k, tourl_k, fromurl_k;
extern val tonumber_k, tointeger_k, tofloat_k, hextoint_k;
val trie_lookup_begin(val trie);
val trie_value_at(val node);
val trie_lookup_feed_char(val node, val ch);
val get_filter(val sym);
val filter_string_tree(val trie, val str_tree);
val filter_equal(val lfilt, val rfilt, val left, val right);
val register_filter(val sym, val table);
val url_encode(val str, val space_plus);
val url_decode(val str, val space_plus);
void filter_init(void);
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