SZS v2.18a

1 files changed, 131 insertions, 0 deletions

diff --git a/project/dclib/dclib-regex.h b/project/dclib/dclib-regex.h
new file mode 100644
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+++ b/project/dclib/dclib-regex.h
@@ -0,0 +1,131 @@
+
+/***************************************************************************
+ *                                                                         *
+ *                     _____     ____                                      *
+ *                    |  __ \   / __ \   _     _ _____                     *
+ *                    | |  \ \ / /  \_\ | |   | |  _  \                    *
+ *                    | |   \ \| |      | |   | | |_| |                    *
+ *                    | |   | || |      | |   | |  ___/                    *
+ *                    | |   / /| |   __ | |   | |  _  \                    *
+ *                    | |__/ / \ \__/ / | |___| | |_| |                    *
+ *                    |_____/   \____/  |_____|_|_____/                    *
+ *                                                                         *
+ *                       Wiimms source code library                        *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *        Copyright (c) 2012-2020 by Dirk Clemens <wiimm@wiimm.de>         *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 General Public License for more details.                          *
+ *                                                                         *
+ *   See file gpl-2.0.txt or http://www.gnu.org/licenses/gpl-2.0.txt       *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef DCLIB_REGEX_H
+#define DCLIB_REGEX_H 1
+
+#if DCLIB_USE_PCRE
+  #include <pcre.h>
+  #define DC_REGEX_TYPE pcre
+#else
+  #ifndef DCLIB_USE_REGEX
+    #define DCLIB_USE_REGEX 1
+  #endif
+  #if DCLIB_USE_REGEX
+    #include <regex.h>
+    #define DC_REGEX_TYPE regex_t
+  #else
+    #error Nn Regex Support!
+  #endif
+#endif
+
+#include "dclib-types.h"
+#include "dclib-debug.h"
+#include "dclib-basics.h"
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			struct Regex_t			///////////////
+///////////////////////////////////////////////////////////////////////////////
+// [[RegexReplace_t]]
+
+typedef struct RegexReplace_t
+{
+    mem_t	str;	// first:  string to replace (maybe 0 bytes)
+    int		ref;	// second: back reference to copy (if >=0)
+}
+RegexReplace_t;
+
+///////////////////////////////////////////////////////////////////////////////
+// [[RegexElem_t]]
+
+typedef struct RegexElem_t
+{
+    bool		valid;		// true: successfull compiled
+    bool		global;		// true: replace all ('g')
+    bool		icase;		// true: ignore case ('i')
+
+ #if DCLIB_USE_PCRE
+    DC_REGEX_TYPE	*regex;		// not NULL: compiled regular expression
+ #else
+    DC_REGEX_TYPE	regex;		// compiled regular expression
+ #endif
+
+    int			opt;		// compile options
+    ccp			pattern;	// pattern string, alloced
+    mem_t		replace;	// replace string, alloced
+
+    RegexReplace_t	*repl;		// replace data, use 'replace' as reference
+    uint		repl_used;	// number of used elements in 'repl'
+    uint		repl_size;	// number of available elements in 'repl'
+}
+RegexElem_t;
+
+///////////////////////////////////////////////////////////////////////////////
+// [[RegexMain_t]]
+
+typedef struct Regex_t
+{
+    bool		valid;		// true: succesfull initialized
+
+    RegexElem_t		*re_list;	// list; either 're_pool' or alloced
+    RegexElem_t		re_pool[3];	// pool for fast access
+    uint		re_used;	// number of used elements in 're_list'
+    uint		re_size;	// number of available elements in 're_list'
+}
+Regex_t;
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+void InitializeRegex ( Regex_t *re );
+void ResetRegex ( Regex_t *re );
+
+enumError ScanRegex ( Regex_t *re, bool init_re, ccp regex );
+
+int ReplaceRegex
+(
+    Regex_t	*re,		// valid Regex_t
+    FastBuf_t	*res,		// return buffer, cleared
+    ccp		src,
+    int		src_len		// -1: use strlen()
+);
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			    E N D			///////////////
+///////////////////////////////////////////////////////////////////////////////
+
+#endif // DCLIB_REGEX_H
+