sl@0: /*
sl@0:  *
sl@0:  * Copyright (c) 1998-2002
sl@0:  * John Maddock
sl@0:  *
sl@0:  * Use, modification and distribution are subject to the
sl@0:  * Boost Software License, Version 1.0. (See accompanying file
sl@0:  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
sl@0:  *
sl@0:  */
sl@0: 
sl@0:  /*
sl@0:   *   LOCATION:    see http://www.boost.org for most recent version.
sl@0:   *   FILE         cregex.cpp
sl@0:   *   VERSION      see <boost/version.hpp>
sl@0:   *   DESCRIPTION: Declares POSIX API functions
sl@0:   *                + boost::RegEx high level wrapper.
sl@0:   */
sl@0: 
sl@0: #ifndef BOOST_RE_CREGEX_HPP_INCLUDED
sl@0: #define BOOST_RE_CREGEX_HPP_INCLUDED
sl@0: 
sl@0: #ifndef BOOST_REGEX_CONFIG_HPP
sl@0: #include <boost/regex/config.hpp>
sl@0: #endif
sl@0: #include <boost/regex/v4/match_flags.hpp>
sl@0: #include <boost/regex/v4/error_type.hpp>
sl@0: 
sl@0: #ifdef __cplusplus
sl@0: #include <cstddef>
sl@0: #else
sl@0: #include <stddef.h>
sl@0: #endif
sl@0: 
sl@0: #ifdef BOOST_HAS_ABI_HEADERS
sl@0: #  include BOOST_ABI_PREFIX
sl@0: #endif
sl@0: 
sl@0: /* include these defs only for POSIX compatablity */
sl@0: #ifdef __cplusplus
sl@0: namespace boost{
sl@0: extern "C" {
sl@0: #endif
sl@0: 
sl@0: #if defined(__cplusplus) && !defined(BOOST_NO_STDC_NAMESPACE)
sl@0: typedef std::ptrdiff_t regoff_t;
sl@0: typedef std::size_t regsize_t;
sl@0: #else
sl@0: typedef ptrdiff_t regoff_t;
sl@0: typedef size_t regsize_t;
sl@0: #endif
sl@0: 
sl@0: typedef struct
sl@0: {
sl@0:    unsigned int re_magic;
sl@0: #ifdef __cplusplus
sl@0:    std::size_t  re_nsub;      /* number of parenthesized subexpressions */
sl@0: #else
sl@0:    size_t re_nsub; 
sl@0: #endif
sl@0:    const char*  re_endp;       /* end pointer for REG_PEND */
sl@0:    void* guts;                /* none of your business :-) */
sl@0:    match_flag_type eflags;        /* none of your business :-) */
sl@0: } regex_tA;
sl@0: 
sl@0: #ifndef BOOST_NO_WREGEX
sl@0: typedef struct
sl@0: {
sl@0:    unsigned int re_magic;
sl@0: #ifdef __cplusplus
sl@0:    std::size_t  re_nsub;         /* number of parenthesized subexpressions */
sl@0: #else
sl@0:    size_t re_nsub;
sl@0: #endif
sl@0:    const wchar_t* re_endp;       /* end pointer for REG_PEND */
sl@0:    void* guts;                   /* none of your business :-) */
sl@0:    match_flag_type eflags;           /* none of your business :-) */
sl@0: } regex_tW;
sl@0: #endif
sl@0: 
sl@0: typedef struct
sl@0: {
sl@0:    regoff_t rm_so;      /* start of match */
sl@0:    regoff_t rm_eo;      /* end of match */
sl@0: } regmatch_t;
sl@0: 
sl@0: /* regcomp() flags */
sl@0: typedef enum{
sl@0:    REG_BASIC = 0000,
sl@0:    REG_EXTENDED = 0001,
sl@0:    REG_ICASE = 0002,
sl@0:    REG_NOSUB = 0004,
sl@0:    REG_NEWLINE = 0010,
sl@0:    REG_NOSPEC = 0020,
sl@0:    REG_PEND = 0040,
sl@0:    REG_DUMP = 0200,
sl@0:    REG_NOCOLLATE = 0400,
sl@0:    REG_ESCAPE_IN_LISTS = 01000,
sl@0:    REG_NEWLINE_ALT = 02000,
sl@0:    REG_PERLEX = 04000,
sl@0: 
sl@0:    REG_PERL = REG_EXTENDED | REG_NOCOLLATE | REG_ESCAPE_IN_LISTS | REG_PERLEX,
sl@0:    REG_AWK = REG_EXTENDED | REG_ESCAPE_IN_LISTS,
sl@0:    REG_GREP = REG_BASIC | REG_NEWLINE_ALT,
sl@0:    REG_EGREP = REG_EXTENDED | REG_NEWLINE_ALT,
sl@0: 
sl@0:    REG_ASSERT = 15,
sl@0:    REG_INVARG = 16,
sl@0:    REG_ATOI = 255,   /* convert name to number (!) */
sl@0:    REG_ITOA = 0400   /* convert number to name (!) */
sl@0: } reg_comp_flags;
sl@0: 
sl@0: /* regexec() flags */
sl@0: typedef enum{
sl@0:    REG_NOTBOL =    00001,
sl@0:    REG_NOTEOL =    00002,
sl@0:    REG_STARTEND =  00004
sl@0: } reg_exec_flags;
sl@0: 
sl@0: //
sl@0: // POSIX error codes:
sl@0: //
sl@0: typedef unsigned reg_error_t;
sl@0: typedef reg_error_t reg_errcode_t;  // backwards compatibility
sl@0: 
sl@0: static const reg_error_t REG_NOERROR = 0;   /* Success.  */
sl@0: static const reg_error_t REG_NOMATCH = 1;   /* Didn't find a match (for regexec).  */
sl@0: 
sl@0:   /* POSIX regcomp return error codes.  (In the order listed in the
sl@0:      standard.)  */
sl@0: static const reg_error_t REG_BADPAT = 2;    /* Invalid pattern.  */
sl@0: static const reg_error_t REG_ECOLLATE = 3;  /* Undefined collating element.  */
sl@0: static const reg_error_t REG_ECTYPE = 4;    /* Invalid character class name.  */
sl@0: static const reg_error_t REG_EESCAPE = 5;   /* Trailing backslash.  */
sl@0: static const reg_error_t REG_ESUBREG = 6;   /* Invalid back reference.  */
sl@0: static const reg_error_t REG_EBRACK = 7;    /* Unmatched left bracket.  */
sl@0: static const reg_error_t REG_EPAREN = 8;    /* Parenthesis imbalance.  */
sl@0: static const reg_error_t REG_EBRACE = 9;    /* Unmatched \{.  */
sl@0: static const reg_error_t REG_BADBR = 10;    /* Invalid contents of \{\}.  */
sl@0: static const reg_error_t REG_ERANGE = 11;   /* Invalid range end.  */
sl@0: static const reg_error_t REG_ESPACE = 12;   /* Ran out of memory.  */
sl@0: static const reg_error_t REG_BADRPT = 13;   /* No preceding re for repetition op.  */
sl@0: static const reg_error_t REG_EEND = 14;     /* unexpected end of expression */
sl@0: static const reg_error_t REG_ESIZE = 15;    /* expression too big */
sl@0: static const reg_error_t REG_ERPAREN = 8;   /* = REG_EPAREN : unmatched right parenthesis */
sl@0: static const reg_error_t REG_EMPTY = 17;    /* empty expression */
sl@0: static const reg_error_t REG_E_MEMORY = 15; /* = REG_ESIZE : out of memory */
sl@0: static const reg_error_t REG_ECOMPLEXITY = 18; /* complexity too high */
sl@0: static const reg_error_t REG_ESTACK = 19;   /* out of stack space */
sl@0: static const reg_error_t REG_E_UNKNOWN = 20; /* unknown error */
sl@0: static const reg_error_t REG_ENOSYS = 20;   /* = REG_E_UNKNOWN : Reserved. */
sl@0: 
sl@0: BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompA(regex_tA*, const char*, int);
sl@0: BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int, const regex_tA*, char*, regsize_t);
sl@0: BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecA(const regex_tA*, const char*, regsize_t, regmatch_t*, int);
sl@0: BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeA(regex_tA*);
sl@0: 
sl@0: #ifndef BOOST_NO_WREGEX
sl@0: BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompW(regex_tW*, const wchar_t*, int);
sl@0: BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorW(int, const regex_tW*, wchar_t*, regsize_t);
sl@0: BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecW(const regex_tW*, const wchar_t*, regsize_t, regmatch_t*, int);
sl@0: BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeW(regex_tW*);
sl@0: #endif
sl@0: 
sl@0: #ifdef UNICODE
sl@0: #define regcomp regcompW
sl@0: #define regerror regerrorW
sl@0: #define regexec regexecW
sl@0: #define regfree regfreeW
sl@0: #define regex_t regex_tW
sl@0: #else
sl@0: #define regcomp regcompA
sl@0: #define regerror regerrorA
sl@0: #define regexec regexecA
sl@0: #define regfree regfreeA
sl@0: #define regex_t regex_tA
sl@0: #endif
sl@0: 
sl@0: #ifdef BOOST_HAS_ABI_HEADERS
sl@0: #  include BOOST_ABI_SUFFIX
sl@0: #endif
sl@0: 
sl@0: #ifdef __cplusplus
sl@0: } // extern "C"
sl@0: } // namespace
sl@0: #endif
sl@0: 
sl@0: //
sl@0: // C++ high level wrapper goes here:
sl@0: //
sl@0: #if defined(__cplusplus)
sl@0: #include <string>
sl@0: #include <vector>
sl@0: namespace boost{
sl@0: 
sl@0: #ifdef BOOST_HAS_ABI_HEADERS
sl@0: #  include BOOST_ABI_PREFIX
sl@0: #endif
sl@0: 
sl@0: class RegEx;
sl@0: 
sl@0: namespace re_detail{
sl@0: 
sl@0: class RegExData;
sl@0: struct pred1;
sl@0: struct pred2;
sl@0: struct pred3;
sl@0: struct pred4;
sl@0: 
sl@0: }  // namespace re_detail
sl@0: 
sl@0: #if (defined(BOOST_MSVC) || defined(__BORLANDC__)) && !defined(BOOST_DISABLE_WIN32)
sl@0: typedef bool (__cdecl *GrepCallback)(const RegEx& expression);
sl@0: typedef bool (__cdecl *GrepFileCallback)(const char* file, const RegEx& expression);
sl@0: typedef bool (__cdecl *FindFilesCallback)(const char* file);
sl@0: #else
sl@0: typedef bool (*GrepCallback)(const RegEx& expression);
sl@0: typedef bool (*GrepFileCallback)(const char* file, const RegEx& expression);
sl@0: typedef bool (*FindFilesCallback)(const char* file);
sl@0: #endif
sl@0: 
sl@0: class BOOST_REGEX_DECL RegEx
sl@0: {
sl@0: private:
sl@0:    re_detail::RegExData* pdata;
sl@0: public:
sl@0:    RegEx();
sl@0:    RegEx(const RegEx& o);
sl@0:    ~RegEx();
sl@0:    explicit RegEx(const char* c, bool icase = false);
sl@0:    explicit RegEx(const std::string& s, bool icase = false);
sl@0:    RegEx& operator=(const RegEx& o);
sl@0:    RegEx& operator=(const char* p);
sl@0:    RegEx& operator=(const std::string& s){ return this->operator=(s.c_str()); }
sl@0:    unsigned int SetExpression(const char* p, bool icase = false);
sl@0:    unsigned int SetExpression(const std::string& s, bool icase = false){ return SetExpression(s.c_str(), icase); }
sl@0:    std::string Expression()const;
sl@0:    unsigned int error_code()const;
sl@0:    //
sl@0:    // now matching operators:
sl@0:    //
sl@0:    bool Match(const char* p, match_flag_type flags = match_default);
sl@0:    bool Match(const std::string& s, match_flag_type flags = match_default) { return Match(s.c_str(), flags); }
sl@0:    bool Search(const char* p, match_flag_type flags = match_default);
sl@0:    bool Search(const std::string& s, match_flag_type flags = match_default) { return Search(s.c_str(), flags); }
sl@0:    unsigned int Grep(GrepCallback cb, const char* p, match_flag_type flags = match_default);
sl@0:    unsigned int Grep(GrepCallback cb, const std::string& s, match_flag_type flags = match_default) { return Grep(cb, s.c_str(), flags); }
sl@0:    unsigned int Grep(std::vector<std::string>& v, const char* p, match_flag_type flags = match_default);
sl@0:    unsigned int Grep(std::vector<std::string>& v, const std::string& s, match_flag_type flags = match_default) { return Grep(v, s.c_str(), flags); }
sl@0:    unsigned int Grep(std::vector<std::size_t>& v, const char* p, match_flag_type flags = match_default);
sl@0:    unsigned int Grep(std::vector<std::size_t>& v, const std::string& s, match_flag_type flags = match_default) { return Grep(v, s.c_str(), flags); }
sl@0: #ifndef BOOST_REGEX_NO_FILEITER
sl@0:    unsigned int GrepFiles(GrepFileCallback cb, const char* files, bool recurse = false, match_flag_type flags = match_default);
sl@0:    unsigned int GrepFiles(GrepFileCallback cb, const std::string& files, bool recurse = false, match_flag_type flags = match_default) { return GrepFiles(cb, files.c_str(), recurse, flags); }
sl@0:    unsigned int FindFiles(FindFilesCallback cb, const char* files, bool recurse = false, match_flag_type flags = match_default);
sl@0:    unsigned int FindFiles(FindFilesCallback cb, const std::string& files, bool recurse = false, match_flag_type flags = match_default) { return FindFiles(cb, files.c_str(), recurse, flags); }
sl@0: #endif
sl@0: 
sl@0:    std::string Merge(const std::string& in, const std::string& fmt,
sl@0:                        bool copy = true, match_flag_type flags = match_default);
sl@0:    std::string Merge(const char* in, const char* fmt,
sl@0:                        bool copy = true, match_flag_type flags = match_default);
sl@0: 
sl@0:    std::size_t Split(std::vector<std::string>& v, std::string& s, match_flag_type flags = match_default, unsigned max_count = ~0);
sl@0:    //
sl@0:    // now operators for returning what matched in more detail:
sl@0:    //
sl@0:    std::size_t Position(int i = 0)const;
sl@0:    std::size_t Length(int i = 0)const;
sl@0:    bool Matched(int i = 0)const;
sl@0:    std::size_t Marks()const;
sl@0:    std::string What(int i = 0)const;
sl@0:    std::string operator[](int i)const { return What(i); }
sl@0: 
sl@0:    static const std::size_t npos;
sl@0: 
sl@0:    friend struct re_detail::pred1;
sl@0:    friend struct re_detail::pred2;
sl@0:    friend struct re_detail::pred3;
sl@0:    friend struct re_detail::pred4;
sl@0: };
sl@0: 
sl@0: #ifdef BOOST_HAS_ABI_HEADERS
sl@0: #  include BOOST_ABI_SUFFIX
sl@0: #endif
sl@0: 
sl@0: } // namespace boost
sl@0: 
sl@0: #endif
sl@0: 
sl@0: #endif // include guard
sl@0: 
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sl@0: