octave::textscan Class Reference

Collaboration diagram for octave::textscan:

Public Member Functions
	textscan (const std::string &who_arg="textscan")
	~textscan (void)
octave_value	scan (std::istream &isp, const std::string &fmt, octave_idx_type ntimes, const octave_value_list &options, octave_idx_type &read_count)

Private Member Functions
	textscan (const textscan &)
octave_value	do_scan (std::istream &isp, textscan_format_list &fmt_list, octave_idx_type ntimes)
bool	is_delim (unsigned char ch) const
bool	isspace (unsigned int ch) const
int	lookahead (delimited_stream &is, const Cell &targets, int max_len, bool case_sensitive=true) const
bool	match_literal (delimited_stream &isp, const textscan_format_elt &elem)
textscan &	operator= (const textscan &)
void	parse_options (const octave_value_list &args, textscan_format_list &fmt_list)
double	read_double (delimited_stream &is, const textscan_format_elt &fmt) const
int	read_format_once (delimited_stream &isp, textscan_format_list &fmt_list, std::list< octave_value > &retval, Array< octave_idx_type > row, int &done_after)
std::string	read_until (delimited_stream &is, const Cell &delimiters, const std::string &ends) const
int	scan_bracket (delimited_stream &is, const std::string &pattern, std::string &val) const
int	scan_caret (delimited_stream &is, const std::string &pattern, std::string &val) const
void	scan_complex (delimited_stream &is, const textscan_format_elt &fmt, Complex &val) const
void	scan_cstring (delimited_stream &is, const textscan_format_elt &fmt, std::string &val) const
void	scan_one (delimited_stream &is, const textscan_format_elt &fmt, octave_value &ov, Array< octave_idx_type > row)
void	scan_qstring (delimited_stream &is, const textscan_format_elt &fmt, std::string &val)
void	scan_string (delimited_stream &is, const textscan_format_elt &fmt, std::string &val) const
int	skip_delim (delimited_stream &is)
int	skip_whitespace (delimited_stream &is, bool EOLstop=false)
bool	whitespace_delim (void) const

Private Attributes
std::string	buf
octave_idx_type	buffer_size
bool	collect_output
int	comment_char
int	comment_len
Cell	comment_style
std::string	date_locale
bool	default_exp
int	delim_len
Cell	delim_list
std::string	delim_table
std::string	delims
octave_value	empty_value
short	eol1
short	eol2
std::string	exp_chars
int	header_lines
Cell	inf_nan
octave_idx_type	lines
bool	multiple_delims_as_one
bool	numeric_delim
short	return_on_error
Cell	treat_as_empty
int	treat_as_empty_len
std::string	whitespace
std::string	whitespace_table
std::string	who

Friends
class	textscan_format_list

Detailed Description

Definition at line 1800 of file oct-stream.cc.

Constructor & Destructor Documentation

octave::textscan::textscan

(

const std::string &

who_arg = "textscan"

)

Definition at line 2540 of file oct-stream.cc.

octave::textscan::~textscan ( void  )

inline

Definition at line 1808 of file oct-stream.cc.

octave::textscan::textscan ( const textscan &  )

private

Member Function Documentation

octave_value octave::textscan::do_scan ( std::istream &  isp, textscan_format_list &  fmt_list, octave_idx_type  ntimes  )

private

Definition at line 2576 of file oct-stream.cc.

References buffer_size, collect_output, comment_len, delim_len, delim_table, delims, do_cat_op(), dv, eol1, eol2, err, error(), header_lines, is, lines, max(), min(), multiple_delims_as_one, octave::textscan_format_list::num_conversions(), octave::textscan_format_list::numel(), octave_value(), octave::textscan_format_list::out_buf(), ra_idx, octave::textscan_format_list::read_first_row(), read_format_once(), return_on_error, retval, row, octave::textscan_format_list::set_from_first, size, skip_delim(), string, treat_as_empty_len, and whitespace.

Referenced by scan().

bool octave::textscan::is_delim ( unsigned char  ch ) const

inlineprivate

Definition at line 1927 of file oct-stream.cc.

Referenced by read_format_once(), scan_string(), and skip_delim().

bool octave::textscan::isspace ( unsigned int  ch ) const

inlineprivate

Definition at line 1933 of file oct-stream.cc.

Referenced by parse_options(), skip_delim(), and skip_whitespace().

int octave::textscan::lookahead ( delimited_stream &  is, const Cell &  targets, int  max_len, bool  case_sensitive = true  ) const

private

Definition at line 3834 of file oct-stream.cc.

References octave::delimited_stream::clear(), Array< T >::numel(), octave::delimited_stream::read(), s, octave::delimited_stream::seekg(), string, octave::string::strncmp(), octave::delimited_stream::tellg(), and tmp.

Referenced by read_double(), and skip_delim().

bool octave::textscan::match_literal ( delimited_stream &  isp, const textscan_format_elt &  elem  )

private

Definition at line 3946 of file oct-stream.cc.

References octave::delimited_stream::get_undelim(), octave::delimited_stream::putback(), octave::delimited_stream::setstate(), skip_whitespace(), octave::textscan_format_elt::text, and octave::textscan_format_elt::width.

Referenced by read_format_once().

textscan& octave::textscan::operator= ( const textscan &  )

private

void octave::textscan::parse_options ( const octave_value_list &  args, textscan_format_list &  fmt_list  )

private

Definition at line 3544 of file oct-stream.cc.

References buffer_size, collect_output, comment_char, comment_len, comment_style, default_exp, delim_len, delim_list, delim_table, delims, do_string_escapes(), empty_value, eol1, eol2, error(), exp_chars, octave::textscan_format_list::has_string, header_lines, isspace(), k, octave_value_list::length(), Array< T >::length(), max(), multiple_delims_as_one, Array< T >::numel(), param, return_on_error, s, Array< T >::size(), string, transform(), treat_as_empty, treat_as_empty_len, whitespace, and whitespace_table.

Referenced by scan().

double octave::textscan::read_double ( delimited_stream &  is, const textscan_format_elt &  fmt  ) const

private

Definition at line 2779 of file oct-stream.cc.

References octave::delimited_stream::clear(), exp_chars, octave::delimited_stream::get(), Inf, inf_nan, lookahead(), NaN(), octave::delimited_stream::peek(), pown(), octave::textscan_format_elt::prec, octave::delimited_stream::putback(), octave::delimited_stream::rdstate(), retval, octave::delimited_stream::setstate(), and octave::textscan_format_elt::width.

Referenced by scan_complex(), and scan_one().

int octave::textscan::read_format_once ( delimited_stream &  isp, textscan_format_list &  fmt_list, std::list< octave_value > &  retval, Array< octave_idx_type >  row, int &  done_after  )

private

Definition at line 3434 of file oct-stream.cc.

References octave::delimited_stream::clear(), octave::textscan_format_elt::discard, done, elem, octave::delimited_stream::eof(), error(), octave::delimited_stream::fail(), octave::textscan_format_list::first(), is_delim(), octave::textscan_format_elt::literal_conversion, match_literal(), octave::textscan_format_list::next(), octave::textscan_format_list::numel(), octave::delimited_stream::peek(), octave::delimited_stream::rdstate(), scan_one(), octave::delimited_stream::setstate(), skip_delim(), octave::delimited_stream::tellg(), octave::textscan_format_elt::type, and warning().

Referenced by do_scan().

std::string octave::textscan::read_until ( delimited_stream &  is, const Cell &  delimiters, const std::string &  ends  ) const

private

Definition at line 3116 of file oct-stream.cc.

References done, octave::delimited_stream::eof(), octave::delimited_stream::get_undelim(), next, Array< T >::numel(), retval, scan_caret(), start, and string.

Referenced by scan_string().

octave_value octave::textscan::scan	(	std::istream &	isp,
		const std::string &	fmt,
		octave_idx_type	ntimes,
		const octave_value_list &	options,
		octave_idx_type &	read_count
	)

Definition at line 2553 of file oct-stream.cc.

References do_scan(), parse_options(), result, and state.

Referenced by octave_base_stream::do_textscan().

int octave::textscan::scan_bracket ( delimited_stream &  is, const std::string &  pattern, std::string &  val  ) const

private

Definition at line 3198 of file oct-stream.cc.

References octave::delimited_stream::get_undelim(), and octave::delimited_stream::putback().

Referenced by scan_one().

int octave::textscan::scan_caret ( delimited_stream &  is, const std::string &  pattern, std::string &  val  ) const

private

Definition at line 3091 of file oct-stream.cc.

References octave::delimited_stream::eof(), octave::delimited_stream::get_undelim(), and octave::delimited_stream::putback().

Referenced by read_until(), scan_one(), scan_qstring(), and skip_whitespace().

void octave::textscan::scan_complex ( delimited_stream &  is, const textscan_format_elt &  fmt, Complex &  val  ) const

private

Definition at line 2950 of file oct-stream.cc.

References octave::delimited_stream::clear(), empty_value, octave::delimited_stream::eof(), octave::delimited_stream::fail(), octave::delimited_stream::get(), Inf, octave::math::is_NaN_or_NA(), Array< T >::numel(), octave::delimited_stream::peek(), octave::delimited_stream::putback(), octave::delimited_stream::rdstate(), octave::delimited_stream::read(), read_double(), s, octave_value::scalar_value(), octave::delimited_stream::seekg(), state, string, octave::string::strncmp(), octave::delimited_stream::tellg(), treat_as_empty, treat_as_empty_len, and value().

Referenced by octave::textscan_format_list::read_first_row(), and scan_one().

void octave::textscan::scan_cstring ( delimited_stream &  is, const textscan_format_elt &  fmt, std::string &  val  ) const

private

Definition at line 3246 of file oct-stream.cc.

References octave::delimited_stream::get_undelim(), and octave::textscan_format_elt::width.

Referenced by scan_one().

void octave::textscan::scan_one ( delimited_stream &  is, const textscan_format_elt &  fmt, octave_value &  ov, Array< octave_idx_type >  row  )

private

Definition at line 3267 of file oct-stream.cc.

References octave::textscan_format_elt::bitwidth, octave::textscan_format_elt::char_class, octave::delimited_stream::clear(), octave::textscan_format_elt::discard, do_cat_op(), empty_value, octave::delimited_stream::fail(), octave_base_value::fast_elem_insert(), octave::delimited_stream::field_done(), octave_value::internal_rep(), octave_value::is_real_type(), octave::textscan_format_elt::numeric, octave::delimited_stream::rdstate(), read_double(), row, scan_bracket(), scan_caret(), scan_complex(), scan_cstring(), scan_qstring(), scan_string(), skip_whitespace(), string, octave::textscan_format_elt::type, and val.

Referenced by read_format_once().

void octave::textscan::scan_qstring ( delimited_stream &  is, const textscan_format_elt &  fmt, std::string &  val  )

private

Definition at line 3218 of file oct-stream.cc.

References octave::delimited_stream::get(), octave::delimited_stream::get_undelim(), octave::delimited_stream::peek(), scan_caret(), scan_string(), skip_whitespace(), and string.

Referenced by scan_one().

void octave::textscan::scan_string ( delimited_stream &  is, const textscan_format_elt &  fmt, std::string &  val  ) const

private

Definition at line 3160 of file oct-stream.cc.

References delim_list, octave::delimited_stream::get(), is_delim(), Array< T >::is_empty(), Array< T >::numel(), octave::delimited_stream::putback(), read_until(), string, tmp, and octave::textscan_format_elt::width.

Referenced by scan_one(), and scan_qstring().

int octave::textscan::skip_delim ( delimited_stream &  is )

private

Definition at line 3872 of file oct-stream.cc.

References delim_len, delim_list, eol1, eol2, octave::delimited_stream::get(), octave::delimited_stream::get_undelim(), is_delim(), isspace(), lines, lookahead(), multiple_delims_as_one, Array< T >::numel(), octave::delimited_stream::peek_undelim(), octave::delimited_stream::putback(), and skip_whitespace().

Referenced by do_scan(), octave::textscan_format_list::read_first_row(), and read_format_once().

int octave::textscan::skip_whitespace ( delimited_stream &  is, bool  EOLstop = false  )

private

Definition at line 3749 of file oct-stream.cc.

References octave::delimited_stream::clear(), comment_char, comment_len, comment_style, octave::delimited_stream::eof(), eol1, eol2, octave::delimited_stream::get_undelim(), isspace(), lines, Array< T >::numel(), octave::delimited_stream::peek_undelim(), octave::delimited_stream::putback(), octave::delimited_stream::rdstate(), octave::delimited_stream::read(), scan_caret(), octave::delimited_stream::seekg(), start, state, string, octave::string::strncmp(), octave::delimited_stream::tellg(), and tmp.

Referenced by match_literal(), octave::textscan_format_list::read_first_row(), scan_one(), scan_qstring(), and skip_delim().

bool octave::textscan::whitespace_delim ( void  ) const

inlineprivate

Definition at line 1936 of file oct-stream.cc.

Friends And Related Function Documentation

friend class textscan_format_list

friend

Definition at line 1817 of file oct-stream.cc.

Member Data Documentation

std::string octave::textscan::buf

private

Definition at line 1822 of file oct-stream.cc.

octave_idx_type octave::textscan::buffer_size

private

Definition at line 1845 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

bool octave::textscan::collect_output

private

Definition at line 1872 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

int octave::textscan::comment_char

private

Definition at line 1843 of file oct-stream.cc.

Referenced by parse_options(), and skip_whitespace().

int octave::textscan::comment_len

private

Definition at line 1840 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), and skip_whitespace().

Cell octave::textscan::comment_style

private

Definition at line 1837 of file oct-stream.cc.

Referenced by parse_options(), and skip_whitespace().

std::string octave::textscan::date_locale

private

Definition at line 1847 of file oct-stream.cc.

bool octave::textscan::default_exp

private

Definition at line 1874 of file oct-stream.cc.

Referenced by parse_options().

int octave::textscan::delim_len

private

Definition at line 1856 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), and skip_delim().

Cell octave::textscan::delim_list

private

Definition at line 1853 of file oct-stream.cc.

Referenced by parse_options(), scan_string(), and skip_delim().

std::string octave::textscan::delim_table

private

Definition at line 1832 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

std::string octave::textscan::delims

private

Definition at line 1835 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

octave_value octave::textscan::empty_value

private

Definition at line 1858 of file oct-stream.cc.

Referenced by parse_options(), octave::textscan_format_list::read_first_row(), scan_complex(), and scan_one().

short octave::textscan::eol1

private

Definition at line 1868 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), octave::textscan_format_list::read_first_row(), skip_delim(), and skip_whitespace().

short octave::textscan::eol2

private

Definition at line 1869 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), octave::textscan_format_list::read_first_row(), skip_delim(), and skip_whitespace().

std::string octave::textscan::exp_chars

private

Definition at line 1859 of file oct-stream.cc.

Referenced by parse_options(), and read_double().

int octave::textscan::header_lines

private

Definition at line 1860 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

Cell octave::textscan::inf_nan

private

Definition at line 1850 of file oct-stream.cc.

Referenced by read_double().

octave_idx_type octave::textscan::lines

private

Definition at line 1877 of file oct-stream.cc.

Referenced by do_scan(), skip_delim(), and skip_whitespace().

bool octave::textscan::multiple_delims_as_one

private

Definition at line 1873 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), and skip_delim().

bool octave::textscan::numeric_delim

private

Definition at line 1875 of file oct-stream.cc.

short octave::textscan::return_on_error

private

Definition at line 1870 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

Cell octave::textscan::treat_as_empty

private

Definition at line 1861 of file oct-stream.cc.

Referenced by parse_options(), and scan_complex().

int octave::textscan::treat_as_empty_len

private

Definition at line 1864 of file oct-stream.cc.

Referenced by do_scan(), parse_options(), and scan_complex().

std::string octave::textscan::whitespace

private

Definition at line 1866 of file oct-stream.cc.

Referenced by do_scan(), and parse_options().

std::string octave::textscan::whitespace_table

private

Definition at line 1829 of file oct-stream.cc.

Referenced by parse_options().

std::string octave::textscan::who

private

Definition at line 1820 of file oct-stream.cc.

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The documentation for this class was generated from the following file:

• libinterp/corefcn/oct-stream.cc