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libpsyc/include/psyc/match.h

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/*
This file is part of libpsyc.
Copyright (C) 2011,2012 Carlo v. Loesch, Gabor X Toth, Mathias L. Baumann,
and other contributing authors.
libpsyc is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option) any
later version. As a special exception, libpsyc is distributed with additional
permissions to link libpsyc libraries with non-AGPL works.
libpsyc is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
details.
You should have received a copy of the GNU Affero General Public License and
the linking exception along with libpsyc in a COPYING file.
*/
#ifndef PSYC_MATCH_H
#define PSYC_MATCH_H
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typedef struct {
PsycString key;
void *value;
} PsycMap;
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typedef struct {
PsycString key;
intptr_t value;
} PsycMapInt;
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/**
* Checks if long keyword string inherits from short keyword string.
*/
int
psyc_inherits (char *sho, size_t slen, char *lon, size_t llen);
/**
* Checks if short keyword string matches long keyword string.
*/
int
psyc_matches (char *sho, size_t slen, char *lon, size_t llen);
/**
* Look up value associated with a key in a map.
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*
* @param map The dictionary to search, should be ordered alphabetically.
* @param size Size of map.
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* @param key Key to look for.
* @param keylen Length of key.
* @param inherit If true, also look for anything inheriting from key,
* otherwise only exact matches are returned.
*
* @return The value of the entry if found, or NULL if not found.
*/
void *
psyc_map_lookup (const PsycMap *map, size_t size,
const char *key, size_t keylen, PsycBool inherit);
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/**
* Look up value associated with a key in a map with integer values.
* @see psyc_map_lookup
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*/
static inline intptr_t
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psyc_map_lookup_int (const PsycMapInt *map, size_t size,
const char *key, size_t keylen, PsycBool inherit)
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{
return (intptr_t) psyc_map_lookup((PsycMap *) map, size, key, keylen, inherit);
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}
#endif