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  89   <div class="section" id="ringlibcurl">
  90 <span id="index-0"></span><h1>RingLibCurl の用法<a class="headerlink" href="#ringlibcurl" title="このヘッドラインへのパーマリンク">¶</a></h1>
  91 <p>RingLibCurl の用法を学びます。</p>
  92 <div class="section" id="get">
  93 <span id="index-1"></span><h2>Get リクエスト<a class="headerlink" href="#get" title="このヘッドラインへのパーマリンク">¶</a></h2>
  94 <p>用例:</p>
  95 <div class="highlight-ring"><div class="highlight"><pre><span class="k">load</span> <span class="s">&quot;libcurl.ring&quot;</span>
  96
  97 <span class="n">curl</span> <span class="o">=</span> <span class="n">curl_easy_init</span><span class="p">()</span>
  98
  99 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_FOLLOWLOCATION</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
 100 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="s">&quot;http://ring-lang.sf.net&quot;</span><span class="p">)</span>
 101
 102 <span class="n">curl_easy_perform</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 103
 104 <span class="n">curl_easy_cleanup</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 105 </pre></div>
 106 </div>
 107 </div>
 108 <div class="section" id="post">
 109 <span id="index-2"></span><h2>Post リクエスト<a class="headerlink" href="#post" title="このヘッドラインへのパーマリンク">¶</a></h2>
 110 <p>用例:</p>
 111 <div class="highlight-ring"><div class="highlight"><pre><span class="k">load</span> <span class="s">&quot;libcurl.ring&quot;</span>
 112
 113 <span class="n">curl</span> <span class="o">=</span> <span class="n">curl_easy_init</span><span class="p">()</span>
 114
 115 <span class="n">cPostThis</span> <span class="o">=</span> <span class="s">&quot;page=4&amp;Number1=4&amp;Number2=5&quot;</span>
 116 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="s">&quot;http://localhost/ringapp/index.ring?page=3&quot;</span><span class="p">)</span>
 117 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_POSTFIELDS</span><span class="p">,</span> <span class="n">cPostThis</span><span class="p">)</span>
 118
 119 <span class="n">curl_easy_perform</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 120
 121 <span class="n">curl_easy_cleanup</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 122 </pre></div>
 123 </div>
 124 </div>
 125 <div class="section" id="facebook">
 126 <span id="index-3"></span><h2>Facebook へのログイン<a class="headerlink" href="#facebook" title="このヘッドラインへのパーマリンク">¶</a></h2>
 127 <p>用例:</p>
 128 <div class="highlight-ring"><div class="highlight"><pre><span class="k">load</span> <span class="s">&quot;libcurl.ring&quot;</span>
 129
 130 <span class="k">see</span> <span class="s">&quot;Enter Email : &quot;</span> <span class="k">give</span> <span class="o">$</span><span class="n">login_email</span>
 131 <span class="k">See</span> <span class="s">&quot;Enter Password : &quot;</span> <span class="k">give</span> <span class="o">$</span><span class="n">login_pass</span>
 132
 133 <span class="n">curl</span> <span class="o">=</span> <span class="n">curl_easy_init</span><span class="p">()</span>
 134
 135 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="sc">&#39;https://www.facebook.com/login.php&#39;</span><span class="p">)</span>
 136 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_POSTFIELDS</span><span class="p">,</span><span class="sc">&#39;charset_test=j u s t a t e s t&#39;</span><span class="o">+</span>
 137 <span class="sc">&#39; &amp;email=&#39;</span><span class="o">+</span><span class="n">urlencode</span><span class="p">(</span><span class="o">$</span><span class="n">login_email</span><span class="p">)</span><span class="o">+</span><span class="sc">&#39;&amp;pass=&#39;</span><span class="o">+</span>
 138 <span class="n">urlencode</span><span class="p">(</span><span class="o">$</span><span class="n">login_pass</span><span class="p">)</span><span class="o">+</span><span class="sc">&#39;&amp;login=Login&#39;</span><span class="p">)</span>
 139 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_POST</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
 140 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_HEADER</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
 141 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_FOLLOWLOCATION</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
 142 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_COOKIEJAR</span><span class="p">,</span> <span class="s">&quot;cookies.txt&quot;</span><span class="p">)</span>
 143 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_COOKIEFILE</span><span class="p">,</span> <span class="s">&quot;cookies.txt&quot;</span><span class="p">)</span>
 144 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_USERAGENT</span><span class="p">,</span> <span class="s">&quot;Mozilla/5.0 (Windows; U;&quot;</span><span class="o">+</span>
 145 <span class="s">&quot; Windows NT 5.1; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3&quot;</span><span class="p">)</span>
 146 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_REFERER</span><span class="p">,</span> <span class="s">&quot;http://www.facebook.com&quot;</span><span class="p">)</span>
 147 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_SSL_VERIFYPEER</span><span class="p">,</span> <span class="kp">FALSE</span><span class="p">)</span>
 148 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_SSL_VERIFYHOST</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
 149
 150 <span class="n">mylist</span> <span class="o">=</span> <span class="n">curl_slist_append</span><span class="p">(</span><span class="kp">NULL</span><span class="p">,</span><span class="sc">&#39;Accept-Charset: utf-8&#39;</span><span class="p">)</span>
 151 <span class="n">curl_slist_append</span><span class="p">(</span><span class="n">mylist</span><span class="p">,</span><span class="sc">&#39;Accept-Language: en-us,en;q=0.7,bn-bd;q=0.3&#39;</span><span class="p">)</span>
 152 <span class="n">curl_slist_append</span><span class="p">(</span><span class="n">mylist</span><span class="p">,</span><span class="sc">&#39;Accept: text/xml,application/xml,&#39;</span><span class="o">+</span>
 153 <span class="sc">&#39;application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5&#39;</span><span class="p">)</span>
 154 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_HTTPHEADER</span><span class="p">,</span> <span class="n">mylist</span><span class="p">)</span>
 155
 156 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_COOKIESESSION</span><span class="p">,</span> <span class="kp">false</span><span class="p">)</span>
 157
 158 <span class="n">curl_easy_perform</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 159
 160 <span class="n">curl_easy_cleanup</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 161
 162 <span class="k">Func</span> <span class="n">URLEncode</span> <span class="n">cStr</span>
 163         <span class="n">cOut</span> <span class="o">=</span> <span class="s">&quot;&quot;</span>
 164         <span class="k">for</span> <span class="n">x</span> <span class="k">in</span> <span class="n">cStr</span>
 165                 <span class="k">if</span> <span class="n">isalnum</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
 166                         <span class="n">cOut</span> <span class="o">+=</span> <span class="n">x</span>
 167                 <span class="k">but</span> <span class="n">x</span> <span class="o">=</span> <span class="s">&quot; &quot;</span>
 168                         <span class="n">cOut</span> <span class="o">+=</span> <span class="s">&quot;+&quot;</span>
 169                 <span class="k">else</span>
 170                         <span class="n">cOut</span> <span class="o">+=</span> <span class="s">&quot;%&quot;</span><span class="o">+</span><span class="n">str2hex</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
 171                 <span class="k">ok</span>
 172         <span class="k">next</span>
 173         <span class="k">return</span> <span class="n">cOut</span>
 174 </pre></div>
 175 </div>
 176 </div>
 177 <div class="section" id="index-4">
 178 <span id="id1"></span><h2>実行結果を文字列で保存<a class="headerlink" href="#index-4" title="このヘッドラインへのパーマリンク">¶</a></h2>
 179 <p>用例:</p>
 180 <div class="highlight-ring"><div class="highlight"><pre><span class="k">load</span> <span class="s">&quot;libcurl.ring&quot;</span>
 181
 182 <span class="n">curl</span> <span class="o">=</span> <span class="n">curl_easy_init</span><span class="p">()</span>
 183
 184 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_FOLLOWLOCATION</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
 185 <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="s">&quot;http://ring-lang.sf.net&quot;</span><span class="p">)</span>
 186
 187 <span class="n">cOutput</span> <span class="o">=</span> <span class="n">curl_easy_perform_silent</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 188
 189 <span class="k">See</span> <span class="s">&quot;Output:&quot;</span> <span class="o">+</span> <span class="n">nl</span>
 190 <span class="k">see</span> <span class="n">cOutput</span>
 191
 192 <span class="n">curl_easy_cleanup</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 193 </pre></div>
 194 </div>
 195 </div>
 196 <div class="section" id="yahoo">
 197 <span id="index-5"></span><h2>Yahoo! から株式情報を取得<a class="headerlink" href="#yahoo" title="このヘッドラインへのパーマリンク">¶</a></h2>
 198 <p>用例:</p>
 199 <div class="highlight-ring"><div class="highlight"><pre><span class="k">Load</span> <span class="s">&quot;libcurl.ring&quot;</span>
 200
 201 <span class="sd">### 第一部 --- 断片とクッキーの取得 -----------------------------------------</span>
 202
 203 <span class="k">See</span> <span class="s">&quot;Start curl_easy_init(): &quot;</span><span class="o">+</span> <span class="n">nl</span>
 204 <span class="n">curl</span> <span class="o">=</span> <span class="n">curl_easy_init</span><span class="p">()</span>                     <span class="sd">### &gt;&gt;&gt; HANDLE &gt;&gt;&gt; 01006BD0  CURL  0</span>
 205
 206         <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_FOLLOWLOCATION</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
 207         <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_COOKIEJAR</span><span class="p">,</span>  <span class="s">&quot;cookies.txt&quot;</span><span class="p">)</span>
 208         <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_COOKIEFILE</span><span class="p">,</span> <span class="s">&quot;cookies.txt&quot;</span><span class="p">)</span>
 209         <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="s">&quot;https://finance.yahoo.com/quote/AMZN/history&quot;</span><span class="p">)</span>
 210
 211         <span class="sd">###  HTML データ &gt;&gt;&gt; STDOUT Window では curl_easy_perform_silent &gt;&gt;&gt; String を使用。</span>
 212
 213 <span class="n">cOutput</span> <span class="o">=</span> <span class="n">curl_easy_perform_silent</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>    <span class="sd">### データの取得 &gt;&gt;&gt; String</span>
 214
 215
 216 <span class="sd">###   データから断片 (Crumb) を抽出します。</span>
 217 <span class="sd">###  &quot;CrumbStore&quot;:{&quot;crumb&quot;:&quot;abcdefghijk&quot;},</span>
 218
 219 <span class="k">if</span> <span class="n">cOutput</span> <span class="o">!=</span> <span class="kp">NULL</span>
 220
 221         <span class="n">newStr1</span>     <span class="o">=</span> <span class="n">substr</span><span class="p">(</span><span class="n">cOutput</span><span class="p">,</span> <span class="n">substr</span><span class="p">(</span><span class="n">cOutput</span><span class="p">,</span> <span class="sc">&#39;&quot;CrumbStore&quot;:{&quot;crumb&quot;:&quot;&#39;</span> <span class="p">),</span> <span class="mi">48</span> <span class="p">)</span>
 222                 <span class="n">nPosS</span>   <span class="o">=</span> <span class="n">substr</span><span class="p">(</span><span class="n">newStr1</span><span class="p">,</span> <span class="sc">&#39;:&quot;&#39;</span> <span class="p">)</span> <span class="p">;</span>  <span class="sd">### crumb -2 の始点</span>
 223                 <span class="n">nPosE</span>   <span class="o">=</span> <span class="n">substr</span><span class="p">(</span><span class="n">newStr1</span><span class="p">,</span> <span class="sc">&#39;&quot;}&#39;</span> <span class="p">)</span> <span class="p">;</span>  <span class="sd">### crumb の終点</span>
 224                 <span class="n">nCount</span>  <span class="o">=</span> <span class="n">nPosE</span> <span class="o">-</span> <span class="n">nPosS</span> <span class="o">-</span><span class="mi">2</span>          <span class="sd">### crumb の大きさ</span>
 225         <span class="n">myCrumb</span>     <span class="o">=</span> <span class="n">substr</span><span class="p">(</span><span class="n">newStr1</span><span class="p">,</span> <span class="n">nPosS</span> <span class="o">+</span><span class="mi">2</span><span class="p">,</span> <span class="n">nCount</span><span class="p">)</span>
 226
 227         <span class="k">See</span> <span class="s">&quot;myCrumb.: |&quot;</span><span class="o">+</span> <span class="n">myCrumb</span> <span class="o">+</span><span class="s">&quot;|&quot;</span> <span class="o">+</span><span class="n">nl</span>
 228
 229         <span class="sd">### UniCode の &quot;\u002F&quot; を &quot;/&quot; へ置換します。</span>
 230                 <span class="k">if</span> <span class="n">substr</span><span class="p">(</span> <span class="n">myCrumb</span><span class="p">,</span> <span class="s">&quot;\u002F&quot;</span><span class="p">)</span>
 231                    <span class="n">myCrumb</span> <span class="o">=</span> <span class="n">substr</span><span class="p">(</span> <span class="n">myCrumb</span><span class="p">,</span> <span class="s">&quot;\u002F&quot;</span><span class="p">,</span> <span class="s">&quot;/&quot;</span><span class="p">)</span>
 232                    <span class="k">See</span> <span class="s">&quot;myCrumb2: |&quot;</span><span class="o">+</span> <span class="n">myCrumb</span> <span class="o">+</span><span class="s">&quot;|&quot;</span><span class="o">+</span> <span class="n">nl</span>
 233                 <span class="k">ok</span>
 234
 235 <span class="k">else</span>
 236         <span class="k">See</span> <span class="s">&quot;No Connectivity to Yahoo. Looking for Cookie and Crumb.&quot;</span> <span class="o">+</span><span class="n">nl</span> <span class="o">+</span><span class="n">nl</span>
 237 <span class="k">ok</span>
 238
 239
 240 <span class="sd">### 第二部 --- URL へ断片とクッキーを送信 ----------------------------------------------</span>
 241
 242         <span class="sd">### Yahoo! へ URL+断片を送信して最初の株式履歴情報を取得します。</span>
 243
 244         <span class="o">$</span><span class="n">url</span> <span class="o">=</span> <span class="s">&quot;https://query1.finance.yahoo.com/v7/finance/download/AMZN&quot;</span><span class="o">+</span>
 245                 <span class="s">&quot;?period1=1277856000&amp;period2=1498777545&amp;interval=1wk&quot;</span> <span class="o">+</span>
 246                 <span class="s">&quot;&amp;events=history&amp;crumb=&quot;</span> <span class="o">+</span> <span class="n">myCrumb</span>
 247
 248         <span class="n">curl_easy_setopt</span><span class="p">(</span><span class="n">curl</span><span class="p">,</span> <span class="n">CURLOPT_URL</span><span class="p">,</span> <span class="o">$</span><span class="n">url</span><span class="p">);</span>
 249         <span class="n">cStr</span> <span class="o">=</span> <span class="n">curl_easy_perform_silent</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>
 250         <span class="k">See</span> <span class="n">cStr</span>
 251
 252 <span class="n">curl_easy_cleanup</span><span class="p">(</span><span class="n">curl</span><span class="p">)</span>  <span class="sd">### cURL を閉じるのを忘れないように。</span>
 253 </pre></div>
 254 </div>
 255 <p>実行結果:</p>
 256 <div class="highlight-ring"><div class="highlight"><pre><span class="n">myCrumb</span><span class="p">.:</span> <span class="o">|</span><span class="n">sEEeW97mxvN</span><span class="o">|</span>
 257 <span class="n">Date</span><span class="p">,</span><span class="n">Open</span><span class="p">,</span><span class="n">High</span><span class="p">,</span><span class="n">Low</span><span class="p">,</span><span class="n">Close</span><span class="p">,</span><span class="n">Adj</span> <span class="n">Close</span><span class="p">,</span><span class="n">Volume</span>
 258 <span class="mi">2010</span><span class="o">-</span><span class="mi">07</span><span class="o">-</span><span class="mi">05</span><span class="p">,</span><span class="mf">110.650002</span><span class="p">,</span><span class="mf">117.480003</span><span class="p">,</span><span class="mf">109.000000</span><span class="p">,</span><span class="mf">117.260002</span><span class="p">,</span><span class="mf">117.260002</span><span class="p">,</span><span class="mi">21000400</span>
 259 <span class="mi">2010</span><span class="o">-</span><span class="mi">07</span><span class="o">-</span><span class="mi">12</span><span class="p">,</span><span class="mf">117.809998</span><span class="p">,</span><span class="mf">124.879997</span><span class="p">,</span><span class="mf">117.320000</span><span class="p">,</span><span class="mf">118.489998</span><span class="p">,</span><span class="mf">118.489998</span><span class="p">,</span><span class="mi">29407300</span>
 260 <span class="mi">2010</span><span class="o">-</span><span class="mi">07</span><span class="o">-</span><span class="mi">19</span><span class="p">,</span><span class="mf">118.379997</span><span class="p">,</span><span class="mf">121.250000</span><span class="p">,</span><span class="mf">105.800003</span><span class="p">,</span><span class="mf">118.870003</span><span class="p">,</span><span class="mf">118.870003</span><span class="p">,</span><span class="mi">74252100</span>
 261 </pre></div>
 262 </div>
 263 </div>
 264 </div>
 265
 266
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 272 <ul>
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