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annotate liboctave/util/oct-string.h @ 31607:aac27ad79be6 stable

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maint: Re-indent code after switch to using namespace macros. * build-env.h, build-env.in.cc, Cell.h, __betainc__.cc, __eigs__.cc, __ftp__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __magick_read__.cc, __pchip_deriv__.cc, amd.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, dasrt.cc, data.cc, debug.cc, defaults.cc, defaults.h, det.cc, display.cc, display.h, dlmread.cc, dynamic-ld.cc, dynamic-ld.h, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, gsvd.cc, gtk-manager.cc, gtk-manager.h, help.cc, help.h, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-hdf5.cc, ls-mat4.cc, ls-mat5.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mexproto.h, mxarray.h, mxtypes.in.h, oct-errno.in.cc, oct-hdf5-types.cc, oct-hist.cc, oct-hist.h, oct-map.cc, oct-map.h, oct-opengl.h, oct-prcstrm.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, octave-default-image.h, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-output.cc, psi.cc, qr.cc, quadcc.cc, rand.cc, regexp.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xpow.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfns.cc, svd.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, __delaunayn__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audioread.cc, convhulln.cc, gzip.cc, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.h, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-intx.h, ov-java.cc, ov-lazy-idx.cc, ov-legacy-range.cc, ov-magic-int.cc, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.h, octave.cc, octave.h, op-b-sbm.cc, op-bm-sbm.cc, op-cs-scm.cc, op-fm-fcm.cc, op-fs-fcm.cc, op-s-scm.cc, op-scm-cs.cc, op-scm-s.cc, op-sm-cs.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, oct-lvalue.cc, oct-lvalue.h, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h: Re-indent code after switch to using namespace macros.
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 18:02:15 -0800
parents e88a07dec498
children 597f3ee61a48
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2016-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_oct_string_h)
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27 #define octave_oct_string_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <locale>
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33 #include "oct-cmplx.h"
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34
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35 OCTAVE_BEGIN_NAMESPACE(octave)
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36
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37 //! Octave string utility functions.
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38 //!
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39 //! This functions provide a C++ interface to most string functions
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40 //! available in the Octave interpreter.
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41 //!
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42 //! Specializations for Array may consider its dimensions in addition
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43 //! to the actual string contents.
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44 //!
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45 //! @attention
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46 //! Octave's string comparison functions return true when strings are
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47 //! are equal, just the opposite of the corresponding C library functions.
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48 //! In addition, Octave's function only return bool and do not check
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49 //! lexicographical order.
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50
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51 OCTAVE_BEGIN_NAMESPACE(string)
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52
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53 //! True if strings are the same.
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54 //!
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55 //! ## Specialization for Array<char>
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56 //!
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57 //! When comparing whole Array of chars, the actual Array dimensions
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58 //! are significant. A column vector and row vector with the same
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59 //! char array, will still return false.
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61 template <typename T>
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62 OCTAVE_API bool
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63 strcmp (const T& str_a, const T& str_b);
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64
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65 //! True if string is the same as character sequence.
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66 //!
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67 //! Compares a string to the null-terminated character sequence
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68 //! beginning at the character pointed to by str_b.
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69 //!
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70 //! ## Specialization for Array<char>
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71 //!
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72 //! For purposes of comparison of dimensions, the character sequence
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73 //! is considered to be a row vector.
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74
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75 template <typename T>
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76 OCTAVE_API bool
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77 strcmp (const T& str_a, const typename T::value_type *str_b);
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78
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79 //! True if strings are the same, ignoring case.
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80 //!
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81 //! ## Specialization for Array<char>
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82 //!
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83 //! When comparing whole Array of chars, the actual Array dimensions
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84 //! are significant. A column vector and row vector with the same
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85 //! char array, will still return false.
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87 template <typename T>
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88 OCTAVE_API bool
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89 strcmpi (const T& str_a, const T& str_b);
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90
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91 //! True if string is the same as character sequence, ignoring case.
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92 //!
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93 //! ## Specialization for Array<char>
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94 //!
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95 //! For purposes of comparison of dimensions, the character sequence
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96 //! is considered to be a row vector.
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97
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98 template <typename T>
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99 OCTAVE_API bool
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100 strcmpi (const T& str_a, const typename T::value_type *str_b);
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101
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102 //! True if the first N characters are the same.
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103 //!
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104 //! ## Specialization for Array<char>
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105 //!
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106 //! The comparison is done in the first N characters, the actual
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107 //! dimensions of the Array are irrelevant. A row vector and
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108 //! a column vector of the same still return true.
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109
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110 template <typename T>
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111 OCTAVE_API bool
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112 strncmp (const T& str_a, const T& str_b,
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113 const typename T::size_type n);
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114
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115 //! True if the first N characters are the same.
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116 template <typename T>
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117 OCTAVE_API bool
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118 strncmp (const T& str_a, const typename T::value_type *str_b,
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119 const typename T::size_type n);
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120
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121 //! True if the first N characters are the same, ignoring case.
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122 //!
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123 //! ## Specialization for Array<char>
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124 //!
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125 //! The comparison is done in the first N characters, the actual
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126 //! dimensions of the Array are irrelevant. A row vector and
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127 //! a column vector of the same still return true.
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128
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129 template <typename T>
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130 OCTAVE_API bool
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131 strncmpi (const T& str_a, const T& str_b,
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132 const typename T::size_type n);
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133
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134 //! True if the first N characters are the same, ignoring case.
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135 template <typename T>
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136 OCTAVE_API bool
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137 strncmpi (const T& str_a, const typename T::value_type *str_b,
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138 const typename T::size_type n);
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139
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140 extern OCTAVE_API Complex
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141 str2double (const std::string& str_arg);
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142
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143 extern OCTAVE_API std::string
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144 u8_to_encoding (const std::string& who, const std::string& u8_string,
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145 const std::string& encoding);
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146
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147 extern OCTAVE_API std::string
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148 u8_from_encoding (const std::string& who, const std::string& native_string,
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149 const std::string& encoding);
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150
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151 enum u8_fallback_type
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152 {
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153 U8_REPLACEMENT_CHAR,
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154 U8_ISO_8859_1
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155 };
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156
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157 extern OCTAVE_API unsigned int
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158 u8_validate (const std::string& who, std::string& in_string,
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159 const u8_fallback_type type = U8_REPLACEMENT_CHAR);
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160
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161
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162 template<class Facet>
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163 struct
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164 deletable_facet : Facet
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165 {
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166 template<class ...Args>
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167 deletable_facet (Args&& ...args)
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168 : Facet (std::forward<Args> (args)...)
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169 { }
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170
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171 // destructor needs to be public
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172 ~deletable_facet () { }
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173 };
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174
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175 class
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176 OCTAVE_API
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177 codecvt_u8 : public std::codecvt<char, char, std::mbstate_t>
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178 {
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179 public:
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180
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181 // No copying!
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182
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183 codecvt_u8 (codecvt_u8&) = delete;
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184
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185 codecvt_u8& operator = (codecvt_u8&) = delete;
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186
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187 codecvt_u8 (const std::string& enc)
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188 : m_enc (enc)
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189 { }
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190
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191 virtual ~codecvt_u8 () { }
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192
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193 typedef char InternT;
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194 typedef char ExternT;
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195 typedef std::mbstate_t StateT;
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196
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197 private:
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198
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199 OCTAVE_API
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200 typename std::codecvt<InternT, ExternT, StateT>::result
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201 do_out (StateT& state,
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202 const InternT *from, const InternT *from_end, const InternT *&from_next,
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203 ExternT *to, ExternT *to_end, ExternT *&to_next) const;
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204
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205 OCTAVE_API
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206 typename std::codecvt<InternT, ExternT, StateT>::result
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207 do_in (StateT& state,
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208 const ExternT *from, const ExternT *from_end, const ExternT *&from_next,
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209 InternT *to, InternT *to_end, InternT *&to_next) const;
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210
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211 typename std::codecvt<InternT, ExternT, StateT>::result
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212 do_unshift (StateT& /* state */, ExternT *to, ExternT * /* to_end */,
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213 ExternT *&to_next) const
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214 {
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215 // FIXME: What is the correct thing to unshift?
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216 // Just reset?
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217 to_next = to;
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218
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219 return std::codecvt<InternT, ExternT, StateT>::ok;
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220 }
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221
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222 int do_encoding () const throw ()
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223 {
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224 // return 0 because UTF-8 encoding is variable length
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225 return 0;
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226 }
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227
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228 bool do_always_noconv () const throw ()
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229 {
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230 // return false to indicate non-identity conversion
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231 return false;
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232 }
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233
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234 OCTAVE_API int
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235 do_length (StateT& state, const ExternT *src, const ExternT *end,
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236 std::size_t max) const;
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237
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238 int do_max_length() const throw ()
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239 {
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240 // For UTF-8, a maximum of 4 bytes are needed for one character.
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241 return 4;
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242 }
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243
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244 std::string m_enc;
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245
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246 };
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247
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248 OCTAVE_END_NAMESPACE(string)
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249 OCTAVE_END_NAMESPACE(octave)
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250
26111
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251 template <typename T>
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252 extern OCTAVE_API std::string
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253 rational_approx (T val, int len);
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254
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255 #endif