/usr/include/octave-3.8.1/octave/lo-regexp.h is in liboctave-dev 3.8.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2012 John W. Eaton
Copyright (C) 2005-2013 David Bateman
This file is part of Octave.
Octave 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 3 of the License, or (at your
option) any later version.
Octave 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.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#if !defined (octave_lo_regexp_h)
#define octave_lo_regexp_h 1
#include <list>
#include <sstream>
#include <string>
#include "Array.h"
#include "Matrix.h"
#include "base-list.h"
#include "str-vec.h"
class
OCTAVE_API
regexp
{
public:
class opts;
class match_data;
regexp (const std::string& pat = "",
const regexp::opts& opt = regexp::opts (),
const std::string& w = "regexp")
: pattern (pat), options (opt), data (0), named_pats (),
nnames (0), named_idx (), who (w)
{
compile_internal ();
}
regexp (const regexp& rx)
: pattern (rx.pattern), data (rx.data), named_pats (rx.named_pats),
nnames (rx.nnames), named_idx (rx.named_idx)
{ }
regexp& operator = (const regexp& rx)
{
if (this != &rx)
{
pattern = rx.pattern;
data = rx.data;
named_pats = rx.named_pats;
nnames = rx.nnames;
named_idx = rx.named_idx;
}
return *this;
}
~regexp (void) { free (); }
void compile (const std::string& pat,
const regexp::opts& opt = regexp::opts ())
{
pattern = pat;
options = opt;
compile_internal ();
}
match_data match (const std::string& buffer);
bool is_match (const std::string& buffer);
Array<bool> is_match (const string_vector& buffer);
std::string replace (const std::string& buffer,
const std::string& replacement);
class opts
{
public:
opts (void)
: x_case_insensitive (false), x_dotexceptnewline (false),
x_emptymatch (false), x_freespacing (false), x_lineanchors (false),
x_once (false) { }
opts (const opts& o)
: x_case_insensitive (o.x_case_insensitive),
x_dotexceptnewline (o.x_dotexceptnewline),
x_emptymatch (o.x_emptymatch),
x_freespacing (o.x_freespacing),
x_lineanchors (o.x_lineanchors),
x_once (o.x_once)
{ }
opts& operator = (const opts& o)
{
if (this != &o)
{
x_case_insensitive = o.x_case_insensitive;
x_dotexceptnewline = o.x_dotexceptnewline;
x_emptymatch = o.x_emptymatch;
x_freespacing = o.x_freespacing;
x_lineanchors = o.x_lineanchors;
x_once = o.x_once;
}
return *this;
}
~opts (void) { }
void case_insensitive (bool val) { x_case_insensitive = val; }
void dotexceptnewline (bool val) { x_dotexceptnewline = val; }
void emptymatch (bool val) { x_emptymatch = val; }
void freespacing (bool val) { x_freespacing = val; }
void lineanchors (bool val) { x_lineanchors = val; }
void once (bool val) { x_once = val; }
bool case_insensitive (void) const { return x_case_insensitive; }
bool dotexceptnewline (void) const { return x_dotexceptnewline; }
bool emptymatch (void) const { return x_emptymatch; }
bool freespacing (void) const { return x_freespacing; }
bool lineanchors (void) const { return x_lineanchors; }
bool once (void) const { return x_once; }
private:
bool x_case_insensitive;
bool x_dotexceptnewline;
bool x_emptymatch;
bool x_freespacing;
bool x_lineanchors;
bool x_once;
};
class match_element
{
public:
match_element (const string_vector& nt, const string_vector& t,
const std::string& ms, const Matrix& te,
double s, double e)
: x_match_string (ms), x_named_tokens (nt), x_tokens (t),
x_token_extents (te), x_start (s), x_end (e)
{ }
match_element (const match_element &a)
: x_match_string (a.x_match_string),
x_named_tokens (a.x_named_tokens), x_tokens (a.x_tokens),
x_token_extents (a.x_token_extents),
x_start (a.x_start), x_end (a.x_end)
{ }
std::string match_string (void) const { return x_match_string; }
string_vector named_tokens (void) const { return x_named_tokens; }
string_vector tokens (void) const { return x_tokens; }
Matrix token_extents (void) const { return x_token_extents; }
double start (void) const { return x_start; }
double end (void) const { return x_end; }
private:
std::string x_match_string;
string_vector x_named_tokens;
string_vector x_tokens;
Matrix x_token_extents;
double x_start;
double x_end;
};
class match_data : public octave_base_list<match_element>
{
public:
match_data (void)
: octave_base_list<match_element> (), named_pats ()
{ }
match_data (const std::list<match_element>& l, const string_vector& np)
: octave_base_list<match_element> (l), named_pats (np)
{ }
match_data (const match_data& rx_lst)
: octave_base_list<match_element> (rx_lst),
named_pats (rx_lst.named_pats)
{ }
match_data& operator = (const match_data& rx_lst)
{
if (this != &rx_lst)
{
octave_base_list<match_element>::operator = (rx_lst);
named_pats = rx_lst.named_pats;
}
return *this;
}
~match_data (void) { }
string_vector named_patterns (void) { return named_pats; }
private:
string_vector named_pats;
};
private:
// The pattern we've been asked to match.
std::string pattern;
opts options;
// Internal data describing the regular expression.
void *data;
std::string m;
string_vector named_pats;
int nnames;
Array<int> named_idx;
std::string who;
void free (void);
void compile_internal (void);
};
inline regexp::match_data
regexp_match (const std::string& pat,
const std::string& buffer,
const regexp::opts& opt = regexp::opts (),
const std::string& who = "regexp")
{
regexp rx (pat, opt, who);
return rx.match (buffer);
}
inline bool
is_regexp_match (const std::string& pat,
const std::string& buffer,
const regexp::opts& opt = regexp::opts (),
const std::string& who = "regexp")
{
regexp rx (pat, opt, who);
return rx.is_match (buffer);
}
inline Array<bool>
is_regexp_match (const std::string& pat,
const string_vector& buffer,
const regexp::opts& opt = regexp::opts (),
const std::string& who = "regexp")
{
regexp rx (pat, opt, who);
return rx.is_match (buffer);
}
inline std::string
regexp_replace (const std::string& pat,
const std::string& buffer,
const std::string& replacement,
const regexp::opts& opt = regexp::opts (),
const std::string& who = "regexp")
{
regexp rx (pat, opt, who);
return rx.replace (buffer, replacement);
}
#endif
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