regexp.h

Go to the documentation of this file.

/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/

#ifndef header_regexp
#define header_regexp

#include "regexp_match.h"
#include <pcre.h>

class CL_RegExp
{
public:
        CL_RegExp(const char *expression, int compile_flags = 0, bool study = false);
        
        CL_RegExp(const CL_StringA &expression, int compile_flags = 0, bool study = false);
        
        ~CL_RegExp();

public:
        enum CompileFlags
        {
                compile_anchored         = 1,
                compile_auto_callout     = 2,
                compile_caseless         = 4,
                compile_dollar_endonly   = 8,
                compile_dot_all          = 16,
                compile_extended         = 32,
                compile_extra            = 64,
                compile_multi_line       = 128,
                compile_no_auto_capture  = 256,
                compile_ungreedy         = 512,
                compile_utf8             = 1024,
                compile_no_utf8_check    = 2048
        };

        enum SearchFlags
        {
                search_anchored      = 1,
                search_not_bol       = 2,
                search_not_eol       = 4,
                search_not_empty     = 8,
                search_no_utf8_check = 16,
                search_partial       = 32
        };
        
        int get_string_number(const char *name) const;
        
        int get_string_number(const CL_StringA &name) const;

public:
        //: Match regular expression against a given subject string.
        CL_RegExpMatch search(
                const char *subject,
                int length,
                int start_offset = 0,
                int search_flags = 0) const;
        
        CL_RegExpMatch search(
                const CL_StringA &subject,
                int start_offset = 0,
                int search_flags = 0) const;
        
        void search(
                const char *subject,
                int length,
                int start_offset,
                int search_flags,
                CL_RegExpMatch &result) const;

        void search(
                const CL_StringA &subject,
                int length,
                int start_offset,
                int search_flags,
                CL_RegExpMatch &result) const;

private:
        void compile(const char *expression, int compile_flags, bool study);

        pcre *code;
        
        pcre_extra *extra;
};

#endif

---