1/*
2 * Copyright (c) 2015-2017, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef EXPRESSIONS_H
30#define EXPRESSIONS_H
31
32#include "hs_common.h"
33
34#include <map>
35#include <string>
36#include <vector>
37
38using ExpressionMap = std::map<unsigned, std::string>;
39using SignatureSet = std::vector<unsigned>;
40
41// load all of the expressions from the given directory into the given
42// expression map. Exits on failure.
43void HS_CDECL loadExpressions(const std::string &inDir, ExpressionMap &exprMap);
44
45void HS_CDECL loadExpressionsFromFile(const std::string &fname, ExpressionMap &exprMap);
46
47// load a list of signature IDs
48void HS_CDECL loadSignatureList(const std::string &inFile, SignatureSet &signatures);
49
50// trim expression map to only the given signatures, returning result
51ExpressionMap limitToSignatures(const ExpressionMap &exprMap,
52 const SignatureSet &signatures);
53
54#endif
55