mirror of
https://github.com/VectorCamp/vectorscan.git
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91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (c) 2015-2017, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "pcre_util.h"
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#include "hs.h"
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#include <assert.h>
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#include <pcre.h> /* for pcre flags */
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bool getPcreFlags(unsigned int hs_flags, unsigned int *flags,
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bool *highlander, bool *prefilter, bool *som) {
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assert(flags);
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assert(highlander);
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assert(prefilter);
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assert(som);
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*flags = 0;
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*highlander = false;
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*prefilter = false;
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*som = false;
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if (hs_flags & HS_FLAG_CASELESS) {
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*flags |= PCRE_CASELESS;
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hs_flags &= ~HS_FLAG_CASELESS;
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}
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if (hs_flags & HS_FLAG_DOTALL) {
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*flags |= PCRE_DOTALL;
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hs_flags &= ~HS_FLAG_DOTALL;
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}
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if (hs_flags & HS_FLAG_MULTILINE) {
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*flags |= PCRE_MULTILINE;
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hs_flags &= ~HS_FLAG_MULTILINE;
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}
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if (hs_flags & HS_FLAG_UCP) {
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*flags |= PCRE_UCP;
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hs_flags &= ~HS_FLAG_UCP;
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}
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if (hs_flags & HS_FLAG_UTF8) {
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*flags |= PCRE_UTF8;
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hs_flags &= ~HS_FLAG_UTF8;
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}
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if (hs_flags & HS_FLAG_SINGLEMATCH) {
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*highlander = true;
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hs_flags &= ~HS_FLAG_SINGLEMATCH;
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}
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if (hs_flags & HS_FLAG_PREFILTER) {
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*prefilter = true;
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hs_flags &= ~HS_FLAG_PREFILTER;
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}
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if (hs_flags & HS_FLAG_SOM_LEFTMOST) {
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*som = true;
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hs_flags &= ~HS_FLAG_SOM_LEFTMOST;
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}
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// Flags that are irrelevant to PCRE.
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hs_flags &= ~HS_FLAG_ALLOWEMPTY;
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if (hs_flags) {
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// You've added new flags, haven't you?
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assert(0);
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return false;
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}
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return true;
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}
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