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/* Copyright 2009-2021
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define filters (deref(lookup_var_l(nil, filters_s)))
extern val filters_s;
extern val filter_k, lfilt_k, rfilt_k, to_html_k, from_html_k;
extern val upcase_k, downcase_k;
extern val topercent_k, frompercent_k, tourl_k, fromurl_k;
extern val tonumber_k, toint_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);
val base64_stream_enc(val out_stream, val in_stream, val nbytes, val wrap_cols);
val base64_stream_dec(val out_stream, val in_stream);
val base64_encode(val str, val wrap_cols);
val base64_decode(val str);
val base64_decode_buf(val str);
val base64url_stream_enc(val out_stream, val in_stream, val nbytes, val wrap_cols);
val base64url_stream_dec(val out_stream, val in_stream);
val base64url_encode(val str, val wrap_cols);
val base64url_decode(val str);
val base64url_decode_buf(val str);
void filter_init(void);
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