Mercurial > octave
annotate libinterp/corefcn/urlwrite.cc @ 27985:9f9ac219896d
maint: Remove remaining "Author:" instances from code base.
* __ftp__.cc, load-save.cc, urlwrite.cc, xnorm.cc, xnorm.h, cconv2.f,
cdotc3.f, cmatm3.f, csconv2.f, dconv2.f, ddot3.f, dmatm3.f, sconv2.f, sdot3.f,
smatm3.f, zconv2.f, zdconv2.f, zdotc3.f, zmatm3.f, crsf2csf.f, zrsf2csf.f,
oct-norm.cc, oct-norm.h, lin2mu.m, mu2lin.m, bincoeff.m, blkdiag.m, deal.m,
gradient.m, interpft.m, nextpow2.m, postpad.m, prepad.m, repmat.m, shift.m,
xor.m, griddata.m, rotx.m, roty.m, rotz.m, voronoin.m, getappdata.m,
isappdata.m, rmappdata.m, setappdata.m, colormap.m, gray.m, gray2ind.m,
im2double.m, image.m, imagesc.m, imread.m, imshow.m, ind2gray.m, ind2rgb.m,
ocean.m, __imread__.m, rgb2ind.m, javachk.m, ClassHelper.java, usejava.m,
findstr.m, commutation_matrix.m, cross.m, gls.m, housh.m, isdefinite.m,
ishermitian.m, issymmetric.m, logm.m, null.m, ols.m, orth.m, qzhess.m, rref.m,
dos.m, nargoutchk.m, orderfields.m, parseparams.m, __w2mpth__.m, unix.m,
untar.m, unzip.m, expand_rel_paths.m, make_rel_paths.m, daspect.m, orient.m,
pbaspect.m, rticks.m, thetaticks.m, xticklabels.m, xticks.m, yticklabels.m,
yticks.m, zticklabels.m, zticks.m, comet.m, contourf.m, plot3.m, cla.m,
copyobj.m, findfigs.m, hdl2struct.m, linkaxes.m, __ghostscript__.m,
__gnuplot_get_var__.m, __gnuplot_has_feature__.m, __gnuplot_has_terminal__.m,
__gnuplot_open_stream__.m, __gnuplot_print__.m, struct2hdl.m, subplot.m,
compan.m, conv.m, deconv.m, mpoles.m, poly.m, polyder.m, polyfit.m, polyint.m,
polyout.m, polyreduce.m, polyval.m, polyvalm.m, residue.m, roots.m, ismember.m,
__parse_movargs__.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, filter2.m,
movfun.m, movslice.m, ichol.m, pcg.m, beta.m, ellipke.m, lcm.m, nchoosek.m,
pow2.m, primes.m, pascal.m, rosser.m, wilkinson.m, corr.m, kurtosis.m,
skewness.m, base2dec.m, bin2dec.m, blanks.m, deblank.m, dec2base.m, dec2bin.m,
dec2hex.m, hex2dec.m, index.m, rindex.m, strjoin.m, substr.m, untabify.m,
calendar.m, datestr.m, eomday.m, now.m, weekday.m:
Remove remaining "Author:" instances from code base.
author | Rik <rik@octave.org> |
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date | Tue, 21 Jan 2020 14:35:03 -0800 |
parents | 7f1cec12c240 |
children | 159b6a1eb408 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2006-2020 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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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
6043 | 28 #endif |
29 | |
30 #include <string> | |
31 #include <fstream> | |
32 #include <iomanip> | |
33 | |
9880 | 34 #include "dir-ops.h" |
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35 #include "file-ops.h" |
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36 #include "file-stat.h" |
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37 #include "lo-sysdep.h" |
6043 | 38 #include "oct-env.h" |
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39 #include "oct-handle.h" |
9880 | 40 #include "glob-match.h" |
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41 #include "url-transfer.h" |
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43 #include "defun.h" |
6043 | 44 #include "error.h" |
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45 #include "interpreter.h" |
9880 | 46 #include "oct-map.h" |
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47 #include "oct-refcount.h" |
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48 #include "ov-cell.h" |
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49 #include "ov-classdef.h" |
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50 #include "ovl.h" |
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51 #include "pager.h" |
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52 #include "unwind-prot.h" |
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53 #include "url-handle-manager.h" |
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54 |
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55 static void |
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56 delete_file (const std::string& file) |
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57 { |
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58 octave::sys::unlink (file); |
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59 } |
6043 | 60 |
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61 DEFUN (urlwrite, args, nargout, |
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62 doc: /* -*- texinfo -*- |
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63 @deftypefn {} {} urlwrite (@var{url}, @var{localfile}) |
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64 @deftypefnx {} {@var{f} =} urlwrite (@var{url}, @var{localfile}) |
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65 @deftypefnx {} {[@var{f}, @var{success}] =} urlwrite (@var{url}, @var{localfile}) |
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66 @deftypefnx {} {[@var{f}, @var{success}, @var{message}] =} urlwrite (@var{url}, @var{localfile}) |
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67 Download a remote file specified by its @var{url} and save it as |
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68 @var{localfile}. |
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69 |
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70 For example: |
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71 |
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72 @example |
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73 @group |
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74 urlwrite ("ftp://ftp.octave.org/pub/README", |
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75 "README.txt"); |
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76 @end group |
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77 @end example |
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78 |
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79 The full path of the downloaded file is returned in @var{f}. |
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80 |
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81 The variable @var{success} is 1 if the download was successful, |
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82 otherwise it is 0 in which case @var{message} contains an error message. |
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83 |
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84 If no output argument is specified and an error occurs, then the error is |
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85 signaled through Octave's error handling mechanism. |
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86 |
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87 This function uses libcurl. Curl supports, among others, the HTTP, FTP, and |
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88 FILE protocols. Username and password may be specified in the URL, for |
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89 example: |
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90 |
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91 @example |
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92 @group |
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93 urlwrite ("http://username:password@@example.com/file.txt", |
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94 "file.txt"); |
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95 @end group |
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96 @end example |
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97 |
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98 GET and POST requests can be specified by @var{method} and @var{param}. |
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99 The parameter @var{method} is either @samp{get} or @samp{post} and |
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100 @var{param} is a cell array of parameter and value pairs. |
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101 For example: |
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102 |
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103 @example |
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104 @group |
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105 urlwrite ("http://www.google.com/search", "search.html", |
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106 "get", @{"query", "octave"@}); |
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107 @end group |
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108 @end example |
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109 @seealso{urlread} |
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110 @end deftypefn */) |
6043 | 111 { |
112 int nargin = args.length (); | |
113 | |
114 // verify arguments | |
115 if (nargin != 2 && nargin != 4) | |
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116 print_usage (); |
6043 | 117 |
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118 std::string url = args(0).xstring_value ("urlwrite: URL must be a string"); |
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120 // name to store the file if download is successful |
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121 std::string filename = args(1).xstring_value ("urlwrite: LOCALFILE must be a string"); |
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124 Array<std::string> param; |
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126 if (nargin == 4) | |
127 { | |
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128 method = args(2).xstring_value ("urlwrite: METHOD must be a string"); |
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130 if (method != "get" && method != "post") |
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131 error (R"(urlwrite: METHOD must be "get" or "post")"); |
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133 param = args(3).xcellstr_value ("urlwrite: parameters (PARAM) for get and post requests must be given as a cell array of strings"); |
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135 if (param.numel () % 2 == 1) |
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136 error ("urlwrite: number of elements in PARAM must be even"); |
6043 | 137 } |
138 | |
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139 // The file should only be deleted if it doesn't initially exist, we |
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140 // create it, and the download fails. We use unwind_protect to do |
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141 // it so that the deletion happens no matter how we exit the function. |
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142 |
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143 octave::sys::file_stat fs (filename); |
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144 |
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145 std::ofstream ofile (filename.c_str (), std::ios::out | std::ios::binary); |
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148 error ("urlwrite: unable to open file"); |
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150 octave::unwind_protect_safe frame; |
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151 |
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152 frame.add_fcn (delete_file, filename); |
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154 octave::url_transfer url_xfer (url, ofile); |
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155 |
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156 octave_value_list retval; |
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158 if (! url_xfer.is_valid ()) |
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159 error ("support for URL transfers was disabled when Octave was built"); |
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160 |
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161 url_xfer.http_action (param, method); |
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162 |
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163 ofile.close (); |
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164 |
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165 if (url_xfer.good ()) |
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166 frame.discard (); |
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167 |
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168 if (nargout > 0) |
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169 { |
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170 if (url_xfer.good ()) |
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171 retval = ovl (octave::sys::env::make_absolute (filename), true, ""); |
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172 else |
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173 retval = ovl ("", false, url_xfer.lasterror ()); |
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174 } |
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175 |
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176 if (nargout < 2 && ! url_xfer.good ()) |
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177 error ("urlwrite: %s", url_xfer.lasterror ().c_str ()); |
6043 | 178 |
179 return retval; | |
180 } | |
181 | |
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182 DEFUN (urlread, args, nargout, |
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183 doc: /* -*- texinfo -*- |
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184 @deftypefn {} {@var{s} =} urlread (@var{url}) |
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185 @deftypefnx {} {[@var{s}, @var{success}] =} urlread (@var{url}) |
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186 @deftypefnx {} {[@var{s}, @var{success}, @var{message}] =} urlread (@var{url}) |
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187 @deftypefnx {} {[@dots{}] =} urlread (@var{url}, @var{method}, @var{param}) |
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188 Download a remote file specified by its @var{url} and return its content |
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189 in string @var{s}. |
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190 |
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191 For example: |
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192 |
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193 @example |
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194 s = urlread ("ftp://ftp.octave.org/pub/README"); |
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195 @end example |
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196 |
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197 The variable @var{success} is 1 if the download was successful, |
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198 otherwise it is 0 in which case @var{message} contains an error |
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199 message. |
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200 |
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201 If no output argument is specified and an error occurs, then the error is |
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202 signaled through Octave's error handling mechanism. |
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203 |
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204 This function uses libcurl. Curl supports, among others, the HTTP, FTP, and |
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205 FILE protocols. Username and password may be specified in the URL@. For |
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206 example: |
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207 |
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208 @example |
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209 s = urlread ("http://user:password@@example.com/file.txt"); |
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210 @end example |
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211 |
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212 GET and POST requests can be specified by @var{method} and @var{param}. |
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213 The parameter @var{method} is either @samp{get} or @samp{post} and |
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214 @var{param} is a cell array of parameter and value pairs. |
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215 For example: |
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216 |
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217 @example |
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218 @group |
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219 s = urlread ("http://www.google.com/search", "get", |
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220 @{"query", "octave"@}); |
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221 @end group |
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222 @end example |
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223 @seealso{urlwrite} |
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224 @end deftypefn */) |
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226 int nargin = args.length (); | |
227 | |
228 // verify arguments | |
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229 if (nargin != 1 && nargin != 3) |
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230 print_usage (); |
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232 std::string url = args(0).xstring_value ("urlread: URL must be a string"); |
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233 |
6043 | 234 std::string method; |
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235 Array<std::string> param; |
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237 if (nargin == 3) | |
238 { | |
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239 method = args(1).xstring_value ("urlread: METHOD must be a string"); |
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241 if (method != "get" && method != "post") |
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242 error (R"(urlread: METHOD must be "get" or "post")"); |
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244 param = args(2).xcellstr_value ("urlread: parameters (PARAM) for get and post requests must be given as a cell array of strings"); |
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246 if (param.numel () % 2 == 1) |
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247 error ("urlread: number of elements in PARAM must be even"); |
6043 | 248 } |
249 | |
6986 | 250 std::ostringstream buf; |
6043 | 251 |
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252 octave::url_transfer url_xfer = octave::url_transfer (url, buf); |
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253 |
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254 if (! url_xfer.is_valid ()) |
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255 error ("support for URL transfers was disabled when Octave was built"); |
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256 |
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257 url_xfer.http_action (param, method); |
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258 |
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259 octave_value_list retval; |
6043 | 260 |
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261 if (nargout > 0) |
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262 { |
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263 // Return empty string if no error occurred. |
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264 retval = ovl (buf.str (), url_xfer.good (), |
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265 url_xfer.good () ? "" : url_xfer.lasterror ()); |
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266 } |
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267 |
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268 if (nargout < 2 && ! url_xfer.good ()) |
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269 error ("urlread: %s", url_xfer.lasterror ().c_str ()); |
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271 return retval; | |
272 } | |
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274 DEFUN (__restful_service__, args, nargout, |
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275 doc: /* -*- texinfo -*- |
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276 @deftypefn {} {@var{response} =} __restful_service__ (@var{url}, @var{param}, @var{weboptions}) |
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277 Undocumented internal function. |
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278 @end deftypefn */) |
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279 { |
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280 int nargin = args.length (); |
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281 |
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282 if (nargin < 1) |
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283 print_usage (); |
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284 |
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285 std::string url = args(0).xstring_value ("__restful_service__: URL must be a string"); |
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286 |
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287 std::ostringstream content; |
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288 |
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289 octave::url_transfer url_xfer (url, content); |
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290 |
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291 if (! url_xfer.is_valid ()) |
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292 error ("support for URL transfers was disabled when Octave was built"); |
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293 |
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294 Array<std::string> param = args(1).cellstr_value (); |
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295 |
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296 std::string data, method; |
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297 |
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298 struct octave::weboptions options; |
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299 |
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300 octave::cdef_object object = args (nargin - 1).classdef_object_value () |
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301 -> get_object (); |
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302 |
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303 // We could've used object.map_value () instead to return a map but that |
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304 // shows a warning about about overriding access restrictions. |
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305 // Nevertheless, we are keeping checking that here if the keys are not |
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306 // equal to "delete" and "display", getting away with the warning. |
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307 string_vector keys = object.map_keys (); |
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308 |
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309 for (int i = 0; i < keys.numel (); i++) |
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310 { |
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311 if (keys(i) == "Timeout") |
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312 { |
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313 float timeout = object.get (keys(i)).float_value (); |
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314 options.Timeout = static_cast<long>(timeout * 1000); |
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315 } |
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316 |
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317 if (keys(i) == "HeaderFields") |
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318 { |
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319 options.HeaderFields = object.get (keys(i)).cellstr_value (); |
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320 } |
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321 |
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322 // FIXME: 'delete' and 'display', auto-generated, probably by cdef_object |
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323 // class? Remaining fields have already been adjusted elsewhere in the |
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324 // m-script. Set 'value' as the Value of the Key wherever it's a string. |
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325 if (keys(i) != "Timeout" && keys(i) != "HeaderFields" |
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326 && keys(i) != "delete" && keys(i) != "display") |
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327 { |
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328 std::string value = object.get (keys(i)).string_value (); |
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329 |
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330 if (keys(i) == "UserAgent") |
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331 options.UserAgent = value; |
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332 |
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333 if (keys(i) == "Username") |
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334 options.Username = value; |
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335 |
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336 if (keys(i) == "Password") |
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337 options.Password = value; |
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338 |
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339 if (keys(i) == "ContentReader") |
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340 // Unimplemented. Only for MATLAB compatibility. |
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341 options.ContentReader = ""; |
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342 |
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343 if (keys(i) == "RequestMethod") |
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344 method = value; |
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345 |
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346 if (keys(i) == "ArrayFormat") |
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347 options.ArrayFormat = value; |
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348 |
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349 if (keys(i) == "CertificateFilename") |
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350 options.CertificateFilename = ""; |
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351 } |
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352 } |
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353 |
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354 url_xfer.set_weboptions (options); |
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355 |
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356 url_xfer.http_action (param, method); |
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357 |
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358 if (nargout < 2 && ! url_xfer.good ()) |
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359 error ("__restful_service__: %s", url_xfer.lasterror ().c_str ()); |
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360 |
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361 return ovl (content.str ()); |
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362 } |