mirror of
https://github.com/alliedmodders/amxmodx.git
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77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
// vim: set ts=4 sw=4 tw=99 noet:
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//
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// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
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// Copyright (C) The AMX Mod X Development Team.
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//
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// This software is licensed under the GNU General Public License, version 3 or higher.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://alliedmods.net/amxmodx-license
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//
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// Regular Expressions Module
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//
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#ifndef _INCLUDE_CREGEX_H
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#define _INCLUDE_CREGEX_H
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#include <amtl/am-vector.h>
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#include <amtl/am-string.h>
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/**
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* Maximum number of sub-patterns, here 50 (this should be a multiple of 3).
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*/
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#define REGEX_MAX_SUBPATTERNS 150
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/**
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* Flags to used with regex_replace, to control the replacement behavior.
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*/
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#define REGEX_FORMAT_DEFAULT 0 // Uses the standard formatting rules to replace matches.
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#define REGEX_FORMAT_NOCOPY 1 // The sections that do not match the regular expression are not copied when replacing matches.
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#define REGEX_FORMAT_FIRSTONLY 2 // Only the first occurrence of a regular expression is replaced.
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class RegEx
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{
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public:
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struct RegExSub {
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int start, end;
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};
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struct NamedGroup {
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ke::AString name;
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size_t index;
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};
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RegEx();
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~RegEx();
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bool isFree(bool set=false, bool val=false);
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void Clear();
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int Compile(const char *pattern, const char* flags = NULL);
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int Compile(const char *pattern, int iFlags);
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int Match(const char *str);
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int MatchAll(const char *str);
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int Replace(char *text, size_t text_maxlen, const char *replace, size_t replaceLen, int flags = 0);
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void ClearMatch();
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const char *GetSubstring(size_t start, char buffer[], size_t max, size_t *outlen = NULL);
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void MakeSubpatternsTable(int numSubpatterns);
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public:
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int mErrorOffset;
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const char *mError;
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int Count() { return mSubStrings.length(); }
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private:
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pcre *re;
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bool mFree;
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int ovector[REGEX_MAX_SUBPATTERNS];
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char *subject;
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ke::Vector<RegExSub> mSubStrings;
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ke::Vector<size_t> mMatchesSubs;
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ke::Vector<NamedGroup> mSubsNameTable;
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int mNumSubpatterns;
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};
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#endif //_INCLUDE_CREGEX_H
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