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annotate liboctave/util/url-transfer.h @ 26376:00f796120a6d stable

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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents cb1606f78f6b
children 159402e52cfa
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1 /*
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2
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3 Copyright (C) 2013-2019 John W. Eaton
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4 Copyright (C) 2006-2019 Alexander Barth
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5 Copyright (C) 2009 David Bateman
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6
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7 This file is part of Octave.
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8
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9 Octave is free software: you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by
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11 the Free Software Foundation, either version 3 of the License, or
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12 (at your option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but
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15 WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <https://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 // Author: Alexander Barth <abarth@marine.usf.edu>
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26 // Author: jwe
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27
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28 #if ! defined (octave_url_transfer_h)
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29 #define octave_url_transfer_h 1
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30
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31 #include "octave-config.h"
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32
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33 #include <istream>
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34 #include <memory>
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35 #include <ostream>
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36 #include <string>
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37
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38 #include "str-vec.h"
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39
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40 template <typename T> class Array;
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41
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42 namespace octave
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43 {
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44 class
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45 OCTAVE_API
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46 base_url_transfer
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47 {
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48 private:
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49
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50 static void delete_file (const std::string& file);
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51
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52 static void reset_path (base_url_transfer *curl_xfer)
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53 {
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54 curl_xfer->cwd ("..");
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55 }
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56
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57 public:
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58
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59 friend class url_transfer;
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60
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61 base_url_transfer (void);
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62
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63 base_url_transfer (const std::string& host,
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64 const std::string& /* user_arg */,
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65 const std::string& /* passwd */,
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66 std::ostream& os);
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67
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68 base_url_transfer (const std::string& url, std::ostream& os);
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69
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70 // No copying!
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71
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72 base_url_transfer (const base_url_transfer&) = delete;
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73
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74 base_url_transfer& operator = (const base_url_transfer&) = delete;
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75
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76 virtual ~base_url_transfer (void) = default;
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77
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78 bool is_valid (void) const { return valid; }
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79
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80 bool good (void) const { return valid && ok; }
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81
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82 virtual void perform (void) { }
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83
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84 virtual std::string lasterror (void) const { return errmsg; }
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85
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86 virtual std::ostream& set_ostream (std::ostream& /* os */)
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87 {
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88 return *curr_ostream;
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89 }
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90
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91 virtual std::istream& set_istream (std::istream& /* is */)
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92 {
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93 return *curr_istream;
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94 }
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95
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96 virtual void ascii (void) { }
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97
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98 virtual void binary (void) { }
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99
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100 bool is_ascii (void) const { return ascii_mode; }
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101
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102 bool is_binary (void) const { return ! ascii_mode; }
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103
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104 virtual void cwd (const std::string& /* path */) { }
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105
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106 virtual void del (const std::string& /* file */) { }
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107
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108 virtual void rmdir (const std::string& /* path */) { }
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109
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110 virtual void mkdir (const std::string& /* path */) { }
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111
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112 virtual void rename (const std::string& /* oldname */,
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113 const std::string& /* newname */) { }
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114
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115 virtual void put (const std::string& /* file */,
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116 std::istream& /* is */) { }
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117
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118 virtual void get (const std::string& /* file */,
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119 std::ostream& /* os */) { }
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120
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121 void mget_directory (const std::string& directory,
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122 const std::string& target);
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123
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124 string_vector mput_directory (const std::string& base,
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125 const std::string& directory);
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126
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127 virtual void dir (void) { }
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128
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129 virtual string_vector list (void) { return string_vector (); }
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130
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131 virtual void get_fileinfo (const std::string& /* filename */,
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132 double& /* filesize */,
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133 time_t& /* filetime */,
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134 bool& /* fileisdir */) { }
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135
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136 virtual std::string pwd (void) { return ""; }
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137
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138 virtual void http_get (const Array<std::string>& /* param */) { }
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139
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140 virtual void http_post (const Array<std::string>& /* param */) { }
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141
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142 virtual void http_action (const Array<std::string>& /* param */,
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143 const std::string& /* action */) { }
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144
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145 protected:
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146
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147 // Host for ftp transfers or full URL for http requests.
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148 std::string host_or_url;
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149 bool valid;
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150 bool ftp;
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151 bool ascii_mode;
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152 bool ok;
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153 std::string errmsg;
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154 std::istream *curr_istream;
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155 std::ostream *curr_ostream;
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156 };
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157
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158 class
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159 OCTAVE_API
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160 url_transfer
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161 {
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162 public:
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163
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164 url_transfer (void);
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165
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166 url_transfer (const std::string& host, const std::string& user,
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167 const std::string& passwd, std::ostream& os);
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168
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169 url_transfer (const std::string& url, std::ostream& os);
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170
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171 url_transfer (const url_transfer&) = default;
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172
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173 url_transfer& operator = (const url_transfer&) = default;
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174
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175 ~url_transfer (void) = default;
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176
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177 bool is_valid (void) const { return rep->is_valid (); }
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178
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179 bool good (void) const { return rep->good (); }
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180
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181 std::string lasterror (void) const { return rep->lasterror (); }
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182
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183 std::ostream& set_ostream (std::ostream& os)
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184 {
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185 return rep->set_ostream (os);
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186 }
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187
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188 std::istream& set_istream (std::istream& is)
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189 {
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190 return rep->set_istream (is);
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191 }
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192
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193 void ascii (void) { rep->ascii (); }
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194
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195 void binary (void) { rep->binary (); }
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196
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197 bool is_ascii (void) const { return rep->is_ascii (); }
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198
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199 bool is_binary (void) const { return rep->is_binary (); }
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200
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201 void cwd (const std::string& path) { rep->cwd (path); }
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202
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203 void del (const std::string& file) { rep->del (file); }
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204
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205 void rmdir (const std::string& path) { rep->rmdir (path); }
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206
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207 void mkdir (const std::string& path) { rep->mkdir (path); }
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208
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209 void rename (const std::string& oldname, const std::string& newname)
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210 {
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211 rep->rename (oldname, newname);
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212 }
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213
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214 void put (const std::string& file, std::istream& is)
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215 {
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216 rep->put (file, is);
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217 }
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218
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219 void get (const std::string& file, std::ostream& os)
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220 {
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221 rep->get (file, os);
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222 }
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223
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224 void mget_directory (const std::string& directory,
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225 const std::string& target)
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226 {
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227 rep->mget_directory (directory, target);
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228 }
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229
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230 string_vector mput_directory (const std::string& base,
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231 const std::string& directory)
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232 {
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233 return rep->mput_directory (base, directory);
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234 }
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235
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236 void dir (void) { rep->dir (); }
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237
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238 string_vector list (void) { return rep->list (); }
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239
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240 void get_fileinfo (const std::string& filename, double& filesize,
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241 time_t& filetime, bool& fileisdir)
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242 {
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243 rep->get_fileinfo (filename, filesize, filetime, fileisdir);
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244 }
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245
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246 std::string pwd (void) { return rep->pwd (); }
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247
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248 void http_get (const Array<std::string>& param) { rep->http_get (param); }
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249
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250 void http_post (const Array<std::string>& param) { rep->http_post (param); }
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251
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252 void http_action (const Array<std::string>& param,
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253 const std::string& action)
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254 {
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255 rep->http_action (param, action);
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256 }
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257
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258 private:
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259
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260 std::shared_ptr<base_url_transfer> rep;
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261 };
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262 }
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263
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264 #endif