/*
*
* Copyright (c) 1998-2002
* Dr John Maddock
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Dr John Maddock makes no representations
* about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE cregex.cpp
* VERSION see <boost/version.hpp>
* DESCRIPTION: Declares POSIX API functions
* + boost::RegEx high level wrapper.
*/
#ifndef BOOST_RE_CREGEX_HPP_INCLUDED
#define BOOST_RE_CREGEX_HPP_INCLUDED
#ifndef BOOST_REGEX_CONFIG_HPP
#include <boost/regex/config.hpp>
#endif
#ifdef __BORLANDC__
#pragma option push -a8 -b -Vx -Ve -pc
#endif
/* include these defs only for POSIX compatablity */
#ifdef __cplusplus
namespace boost{
extern "C" {
#endif
#if defined(__cplusplus) && !defined(BOOST_NO_STDC_NAMESPACE)
typedef std::ptrdiff_t regoff_t;
typedef std::size_t regsize_t;
#else
typedef ptrdiff_t regoff_t;
typedef size_t regsize_t;
#endif
typedef struct
{
unsigned int re_magic;
unsigned int re_nsub; /* number of parenthesized subexpressions */
const char* re_endp; /* end pointer for REG_PEND */
void* guts; /* none of your business :-) */
unsigned int eflags; /* none of your business :-) */
} regex_tA;
#ifndef BOOST_NO_WREGEX
typedef struct
{
unsigned int re_magic;
unsigned int re_nsub; /* number of parenthesized subexpressions */
const wchar_t* re_endp; /* end pointer for REG_PEND */
void* guts; /* none of your business :-) */
unsigned int eflags; /* none of your business :-) */
} regex_tW;
#endif
typedef struct
{
regoff_t rm_so; /* start of match */
regoff_t rm_eo; /* end of match */
} regmatch_t;
/* regcomp() flags */
typedef enum{
REG_BASIC = 0000,
REG_EXTENDED = 0001,
REG_ICASE = 0002,
REG_NOSUB = 0004,
REG_NEWLINE = 0010,
REG_NOSPEC = 0020,
REG_PEND = 0040,
REG_DUMP = 0200,
REG_NOCOLLATE = 0400,
REG_ESCAPE_IN_LISTS = 01000,
REG_NEWLINE_ALT = 02000,
REG_PERL = REG_EXTENDED | REG_NOCOLLATE | REG_ESCAPE_IN_LISTS,
REG_AWK = REG_EXTENDED | REG_ESCAPE_IN_LISTS,
REG_GREP = REG_BASIC | REG_NEWLINE_ALT,
REG_EGREP = REG_EXTENDED | REG_NEWLINE_ALT,
REG_ASSERT = 15,
REG_INVARG = 16,
REG_ATOI = 255, /* convert name to number (!) */
REG_ITOA = 0400 /* convert number to name (!) */
} reg_comp_flags;
/* regexec() flags */
typedef enum{
REG_NOTBOL = 00001,
REG_NOTEOL = 00002,
REG_STARTEND = 00004
} reg_exec_flags;
BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompA(regex_tA*, const char*, int);
BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int, const regex_tA*, char*, regsize_t);
BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecA(const regex_tA*, const char*, regsize_t, regmatch_t*, int);
BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeA(regex_tA*);
#ifndef BOOST_NO_WREGEX
BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompW(regex_tW*, const wchar_t*, int);
BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorW(int, const regex_tW*, wchar_t*, regsize_t);
BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecW(const regex_tW*, const wchar_t*, regsize_t, regmatch_t*, int);
BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeW(regex_tW*);
#endif
#ifdef UNICODE
#define regcomp regcompW
#define regerror regerrorW
#define regexec regexecW
#define regfree regfreeW
#define regex_t regex_tW
#else
#define regcomp regcompA
#define regerror regerrorA
#define regexec regexecA
#define regfree regfreeA
#define regex_t regex_tA
#endif
/* regerror() flags */
typedef enum
{
REG_NOERROR = 0, /* Success. */
REG_NOMATCH = 1, /* Didn't find a match (for regexec). */
/* POSIX regcomp return error codes. (In the order listed in the
standard.) */
REG_BADPAT = 2, /* Invalid pattern. */
REG_ECOLLATE = 3, /* Undefined collating element. */
REG_ECTYPE = 4, /* Invalid character class name. */
REG_EESCAPE = 5, /* Trailing backslash. */
REG_ESUBREG = 6, /* Invalid back reference. */
REG_EBRACK = 7, /* Unmatched left bracket. */
REG_EPAREN = 8, /* Parenthesis imbalance. */
REG_EBRACE = 9, /* Unmatched \{. */
REG_BADBR = 10, /* Invalid contents of \{\}. */
REG_ERANGE = 11, /* Invalid range end. */
REG_ESPACE = 12, /* Ran out of memory. */
REG_BADRPT = 13, /* No preceding re for repetition op. */
REG_EEND = 14, /* unexpected end of expression */
REG_ESIZE = 15, /* expression too big */
REG_ERPAREN = 16, /* unmatched right parenthesis */
REG_EMPTY = 17, /* empty expression */
REG_E_MEMORY = REG_ESIZE, /* out of memory */
REG_E_UNKNOWN = 18 /* unknown error */
} reg_errcode_t;
enum match_flags
{
match_default = 0,
match_not_bol = 1, // first is not start of line
match_not_eol = match_not_bol << 1, // last is not end of line
match_not_bob = match_not_eol << 1, // first is not start of buffer
match_not_eob = match_not_bob << 1, // last is not end of buffer
match_not_bow = match_not_eob << 1, // first is not start of word
match_not_eow = match_not_bow << 1, // last is not end of word
match_not_dot_newline = match_not_eow << 1, // \n is not matched by '.'
match_not_dot_null = match_not_dot_newline << 1, // '\0' is not matched by '.'
match_prev_avail = match_not_dot_null << 1, // *--first is a valid expression
match_init = match_prev_avail << 1, // internal use
match_any = match_init << 1, // don't care what we match
match_not_null = match_any << 1, // string can't be null
match_continuous = match_not_null << 1, // each grep match must continue from
// uninterupted from the previous one
match_partial = match_continuous << 1, // find partial matches
match_stop = match_partial << 1, // stop after first match (grep)
match_all = match_stop << 1, // must find the whole of input even if match_any is set
match_max = match_all
};
#ifdef __cplusplus
} // extern "C"
} // namespace
#endif
#ifdef __BORLANDC__
#if __BORLANDC__ > 0x520
#pragma option pop
#endif
#endif
//
// C++ high level wrapper goes here:
//
#if defined(__cplusplus)
#include <string>
#include <vector>
namespace boost{
#ifdef __BORLANDC__
#if __BORLANDC__ == 0x530
#pragma option push -a4 -b
#elif __BORLANDC__ > 0x530
#pragma option push -a8 -b
#endif
#endif
class RegEx;
namespace re_detail{
class RegExData;
struct pred1;
struct pred2;
struct pred3;
struct pred4;
} // namespace re_detail
#if defined(BOOST_MSVC) || defined(__BORLANDC__)
typedef bool (__cdecl *GrepCallback)(const RegEx& expression);
typedef bool (__cdecl *GrepFileCallback)(const char* file, const RegEx& expression);
typedef bool (__cdecl *FindFilesCallback)(const char* file);
#else
typedef bool (*GrepCallback)(const RegEx& expression);
typedef bool (*GrepFileCallback)(const char* file, const RegEx& expression);
typedef bool (*FindFilesCallback)(const char* file);
#endif
class BOOST_REGEX_DECL RegEx
{
private:
re_detail::RegExData* pdata;
public:
RegEx();
RegEx(const RegEx& o);
~RegEx();
explicit RegEx(const char* c, bool icase = false);
explicit RegEx(const std::string& s, bool icase = false);
RegEx& operator=(const RegEx& o);
RegEx& operator=(const char* p);
RegEx& operator=(const std::string& s){ return this->operator=(s.c_str()); }
unsigned int SetExpression(const char* p, bool icase = false);
unsigned int SetExpression(const std::string& s, bool icase = false){ return SetExpression(s.c_str(), icase); }
std::string Expression()const;
unsigned int error_code()const;
//
// now matching operators:
//
bool Match(const char* p, unsigned int flags = match_default);
bool Match(const std::string& s, unsigned int flags = match_default) { return Match(s.c_str(), flags); }
bool Search(const char* p, unsigned int flags = match_default);
bool Search(const std::string& s, unsigned int flags = match_default) { return Search(s.c_str(), flags); }
unsigned int Grep(GrepCallback cb, const char* p, unsigned int flags = match_default);
unsigned int Grep(GrepCallback cb, const std::string& s, unsigned int flags = match_default) { return Grep(cb, s.c_str(), flags); }
unsigned int Grep(std::vector<std::string>& v, const char* p, unsigned int flags = match_default);
unsigned int Grep(std::vector<std::string>& v, const std::string& s, unsigned int flags = match_default) { return Grep(v, s.c_str(), flags); }
unsigned int Grep(std::vector<std::size_t>& v, const char* p, unsigned int flags = match_default);
unsigned int Grep(std::vector<std::size_t>& v, const std::string& s, unsigned int flags = match_default) { return Grep(v, s.c_str(), flags); }
#ifndef BOOST_REGEX_NO_FILEITER
unsigned int GrepFiles(GrepFileCallback cb, const char* files, bool recurse = false, unsigned int flags = match_default);
unsigned int GrepFiles(GrepFileCallback cb, const std::string& files, bool recurse = false, unsigned int flags = match_default) { return GrepFiles(cb, files.c_str(), recurse, flags); }
unsigned int FindFiles(FindFilesCallback cb, const char* files, bool recurse = false, unsigned int flags = match_default);
unsigned int FindFiles(FindFilesCallback cb, const std::string& files, bool recurse = false, unsigned int flags = match_default) { return FindFiles(cb, files.c_str(), recurse, flags); }
#endif
std::string Merge(const std::string& in, const std::string& fmt,
bool copy = true, unsigned int flags = match_default);
std::string Merge(const char* in, const char* fmt,
bool copy = true, unsigned int flags = match_default);
std::size_t Split(std::vector<std::string>& v, std::string& s, unsigned flags = match_default, unsigned max_count = ~0);
//
// now operators for returning what matched in more detail:
//
std::size_t Position(int i = 0)const;
std::size_t Length(int i = 0)const;
bool Matched(int i = 0)const;
unsigned int Line()const;
unsigned int Marks()const;
std::string What(int i = 0)const;
std::string operator[](int i)const { return What(i); }
static const unsigned int npos;
friend struct re_detail::pred1;
friend struct re_detail::pred2;
friend struct re_detail::pred3;
friend struct re_detail::pred4;
};
#ifdef __BORLANDC__
#pragma option pop
#endif
} // namespace boost
#endif
#endif // include guard
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