| |
| <h1>options.hpp</h1> |
| <div class="highlight"><pre><span></span><span class="cp">#ifndef OPTIONS_HPP</span> |
| <span class="cp">#define OPTIONS_HPP</span> |
| |
| |
| <span class="cp">#include</span> <span class="cpf"><string></span><span class="cp"></span> |
| <span class="cp">#include</span> <span class="cpf"><sstream></span><span class="cp"></span> |
| <span class="cp">#include</span> <span class="cpf"><ostream></span><span class="cp"></span> |
| <span class="cp">#include</span> <span class="cpf"><vector></span><span class="cp"></span> |
| <span class="cp">#include</span> <span class="cpf"><stdexcept></span><span class="cp"></span> |
| |
| <span class="k">namespace</span> <span class="n">example</span> <span class="p">{</span> |
| |
| <span class="k">struct</span> <span class="nl">bad_option</span> <span class="p">:</span> <span class="k">public</span> <span class="n">std</span><span class="o">::</span><span class="n">runtime_error</span> <span class="p">{</span> |
| <span class="n">bad_option</span><span class="p">(</span><span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">s</span><span class="p">)</span> <span class="o">:</span> <span class="n">std</span><span class="o">::</span><span class="n">runtime_error</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="p">{}</span> |
| <span class="p">};</span> |
| |
| |
| <span class="k">class</span> <span class="nc">options</span> <span class="p">{</span> |
| <span class="k">public</span><span class="o">:</span> |
| |
| <span class="n">options</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="k">const</span> <span class="o">*</span> <span class="k">const</span> <span class="o">*</span> <span class="n">argv</span><span class="p">)</span> <span class="o">:</span> <span class="n">argc_</span><span class="p">(</span><span class="n">argc</span><span class="p">),</span> <span class="n">argv_</span><span class="p">(</span><span class="n">argv</span><span class="p">),</span> <span class="n">prog_</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">]),</span> <span class="n">help_</span><span class="p">()</span> <span class="p">{</span> |
| <span class="kt">size_t</span> <span class="n">slash</span> <span class="o">=</span> <span class="n">prog_</span><span class="p">.</span><span class="n">find_last_of</span><span class="p">(</span><span class="s">"/</span><span class="se">\\</span><span class="s">"</span><span class="p">);</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">slash</span> <span class="o">!=</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">::</span><span class="n">npos</span><span class="p">)</span> |
| <span class="n">prog_</span> <span class="o">=</span> <span class="n">prog_</span><span class="p">.</span><span class="n">substr</span><span class="p">(</span><span class="n">slash</span><span class="o">+</span><span class="mi">1</span><span class="p">);</span> <span class="c1">// Extract prog name from path</span> |
| <span class="n">add_flag</span><span class="p">(</span><span class="n">help_</span><span class="p">,</span> <span class="sc">'h'</span><span class="p">,</span> <span class="s">"help"</span><span class="p">,</span> <span class="s">"Print the help message"</span><span class="p">);</span> |
| <span class="p">}</span> |
| |
| <span class="o">~</span><span class="n">options</span><span class="p">()</span> <span class="p">{</span> |
| <span class="k">for</span> <span class="p">(</span><span class="n">opts</span><span class="o">::</span><span class="n">iterator</span> <span class="n">i</span> <span class="o">=</span> <span class="n">opts_</span><span class="p">.</span><span class="n">begin</span><span class="p">();</span> <span class="n">i</span> <span class="o">!=</span> <span class="n">opts_</span><span class="p">.</span><span class="n">end</span><span class="p">();</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> |
| <span class="k">delete</span> <span class="o">*</span><span class="n">i</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| |
| <span class="k">template</span><span class="o"><</span><span class="k">class</span> <span class="nc">T</span><span class="o">></span> |
| <span class="kt">void</span> <span class="n">add_value</span><span class="p">(</span><span class="n">T</span><span class="o">&</span> <span class="n">value</span><span class="p">,</span> <span class="kt">char</span> <span class="n">short_name</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">long_name</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">description</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">var</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">opts_</span><span class="p">.</span><span class="n">push_back</span><span class="p">(</span><span class="k">new</span> <span class="n">option_value</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">short_name</span><span class="p">,</span> <span class="n">long_name</span><span class="p">,</span> <span class="n">description</span><span class="p">,</span> <span class="n">var</span><span class="p">));</span> |
| <span class="p">}</span> |
| |
| |
| <span class="kt">void</span> <span class="n">add_flag</span><span class="p">(</span><span class="kt">bool</span><span class="o">&</span> <span class="n">flag</span><span class="p">,</span> <span class="kt">char</span> <span class="n">short_name</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">long_name</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">description</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">opts_</span><span class="p">.</span><span class="n">push_back</span><span class="p">(</span><span class="k">new</span> <span class="n">option_flag</span><span class="p">(</span><span class="n">flag</span><span class="p">,</span> <span class="n">short_name</span><span class="p">,</span> <span class="n">long_name</span><span class="p">,</span> <span class="n">description</span><span class="p">));</span> |
| <span class="p">}</span> |
| |
| |
| <span class="kt">int</span> <span class="n">parse</span><span class="p">()</span> <span class="p">{</span> |
| <span class="kt">int</span> <span class="n">arg</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> |
| <span class="k">for</span> <span class="p">(;</span> <span class="n">arg</span> <span class="o"><</span> <span class="n">argc_</span> <span class="o">&&</span> <span class="n">argv_</span><span class="p">[</span><span class="n">arg</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'-'</span><span class="p">;</span> <span class="o">++</span><span class="n">arg</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">opts</span><span class="o">::</span><span class="n">iterator</span> <span class="n">i</span> <span class="o">=</span> <span class="n">opts_</span><span class="p">.</span><span class="n">begin</span><span class="p">();</span> |
| <span class="k">while</span> <span class="p">(</span><span class="n">i</span> <span class="o">!=</span> <span class="n">opts_</span><span class="p">.</span><span class="n">end</span><span class="p">()</span> <span class="o">&&</span> <span class="o">!</span><span class="p">(</span><span class="o">*</span><span class="n">i</span><span class="p">)</span><span class="o">-></span><span class="n">parse</span><span class="p">(</span><span class="n">argc_</span><span class="p">,</span> <span class="n">argv_</span><span class="p">,</span> <span class="n">arg</span><span class="p">))</span> |
| <span class="o">++</span><span class="n">i</span><span class="p">;</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="n">opts_</span><span class="p">.</span><span class="n">end</span><span class="p">())</span> |
| <span class="k">throw</span> <span class="n">bad_option</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="p">(</span><span class="s">"unknown option "</span><span class="p">)</span> <span class="o">+</span> <span class="n">argv_</span><span class="p">[</span><span class="n">arg</span><span class="p">]);</span> |
| <span class="p">}</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">help_</span><span class="p">)</span> <span class="k">throw</span> <span class="n">bad_option</span><span class="p">(</span><span class="s">""</span><span class="p">);</span> |
| <span class="k">return</span> <span class="n">arg</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| |
| <span class="k">friend</span> <span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span> <span class="k">operator</span><span class="o"><<</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span> <span class="n">os</span><span class="p">,</span> <span class="k">const</span> <span class="n">options</span><span class="o">&</span> <span class="n">op</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span> <span class="o"><<</span> <span class="s">"usage: "</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">prog_</span> <span class="o"><<</span> <span class="s">" [options]"</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span> <span class="o"><<</span> <span class="s">"options:"</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span> |
| <span class="k">for</span> <span class="p">(</span><span class="n">opts</span><span class="o">::</span><span class="n">const_iterator</span> <span class="n">i</span> <span class="o">=</span> <span class="n">op</span><span class="p">.</span><span class="n">opts_</span><span class="p">.</span><span class="n">begin</span><span class="p">();</span> <span class="n">i</span> <span class="o"><</span> <span class="n">op</span><span class="p">.</span><span class="n">opts_</span><span class="p">.</span><span class="n">end</span><span class="p">();</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="o">**</span><span class="n">i</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span> |
| <span class="k">return</span> <span class="n">os</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| <span class="k">private</span><span class="o">:</span> |
| <span class="k">class</span> <span class="nc">option</span> <span class="p">{</span> |
| <span class="k">public</span><span class="o">:</span> |
| <span class="n">option</span><span class="p">(</span><span class="kt">char</span> <span class="n">s</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">l</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">d</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">v</span><span class="p">)</span> <span class="o">:</span> |
| <span class="n">short_</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="p">(</span><span class="s">"-"</span><span class="p">)</span> <span class="o">+</span> <span class="n">s</span><span class="p">),</span> <span class="n">long_</span><span class="p">(</span><span class="s">"--"</span> <span class="o">+</span> <span class="n">l</span><span class="p">),</span> <span class="n">desc_</span><span class="p">(</span><span class="n">d</span><span class="p">),</span> <span class="n">var_</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="p">{}</span> |
| <span class="k">virtual</span> <span class="o">~</span><span class="n">option</span><span class="p">()</span> <span class="p">{}</span> |
| |
| <span class="k">virtual</span> <span class="kt">bool</span> <span class="n">parse</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="k">const</span> <span class="o">*</span> <span class="k">const</span> <span class="o">*</span> <span class="n">argv</span><span class="p">,</span> <span class="kt">int</span> <span class="o">&</span><span class="n">i</span><span class="p">)</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> |
| <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">print_default</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span><span class="p">)</span> <span class="k">const</span> <span class="p">{}</span> |
| |
| <span class="k">friend</span> <span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span> <span class="k">operator</span><span class="o"><<</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span> <span class="n">os</span><span class="p">,</span> <span class="k">const</span> <span class="n">option</span><span class="o">&</span> <span class="n">op</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="s">" "</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">short_</span><span class="p">;</span> |
| <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">op</span><span class="p">.</span><span class="n">var_</span><span class="p">.</span><span class="n">empty</span><span class="p">())</span> <span class="n">os</span> <span class="o"><<</span> <span class="s">" "</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">var_</span><span class="p">;</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="s">", "</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">long_</span><span class="p">;</span> |
| <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">op</span><span class="p">.</span><span class="n">var_</span><span class="p">.</span><span class="n">empty</span><span class="p">())</span> <span class="n">os</span> <span class="o"><<</span> <span class="s">"="</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">var_</span><span class="p">;</span> |
| <span class="n">os</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span> <span class="o"><<</span> <span class="s">" "</span> <span class="o"><<</span> <span class="n">op</span><span class="p">.</span><span class="n">desc_</span><span class="p">;</span> |
| <span class="n">op</span><span class="p">.</span><span class="n">print_default</span><span class="p">(</span><span class="n">os</span><span class="p">);</span> |
| <span class="k">return</span> <span class="n">os</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| <span class="k">protected</span><span class="o">:</span> |
| <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">short_</span><span class="p">,</span> <span class="n">long_</span><span class="p">,</span> <span class="n">desc_</span><span class="p">,</span> <span class="n">var_</span><span class="p">;</span> |
| <span class="p">};</span> |
| |
| <span class="k">template</span> <span class="o"><</span><span class="k">class</span> <span class="nc">T</span><span class="o">></span> |
| <span class="k">class</span> <span class="nc">option_value</span> <span class="o">:</span> <span class="k">public</span> <span class="n">option</span> <span class="p">{</span> |
| <span class="k">public</span><span class="o">:</span> |
| <span class="n">option_value</span><span class="p">(</span><span class="n">T</span><span class="o">&</span> <span class="n">value</span><span class="p">,</span> <span class="kt">char</span> <span class="n">s</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">l</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">d</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">v</span><span class="p">)</span> <span class="o">:</span> |
| <span class="n">option</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">l</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="n">v</span><span class="p">),</span> <span class="n">value_</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="p">{}</span> |
| |
| <span class="kt">bool</span> <span class="n">parse</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="k">const</span> <span class="o">*</span> <span class="k">const</span> <span class="o">*</span> <span class="n">argv</span><span class="p">,</span> <span class="kt">int</span> <span class="o">&</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">arg</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">]);</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">arg</span> <span class="o">==</span> <span class="n">short_</span> <span class="o">||</span> <span class="n">arg</span> <span class="o">==</span> <span class="n">long_</span><span class="p">)</span> <span class="p">{</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">i</span> <span class="o"><</span> <span class="n">argc</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">set_value</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">argv</span><span class="p">[</span><span class="o">++</span><span class="n">i</span><span class="p">]);</span> |
| <span class="k">return</span> <span class="nb">true</span><span class="p">;</span> |
| <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> |
| <span class="k">throw</span> <span class="n">bad_option</span><span class="p">(</span><span class="s">"missing value for "</span> <span class="o">+</span> <span class="n">arg</span><span class="p">);</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">arg</span><span class="p">.</span><span class="n">compare</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">long_</span><span class="p">.</span><span class="n">size</span><span class="p">(),</span> <span class="n">long_</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span> <span class="o">&&</span> <span class="n">arg</span><span class="p">[</span><span class="n">long_</span><span class="p">.</span><span class="n">size</span><span class="p">()]</span> <span class="o">==</span> <span class="sc">'='</span> <span class="p">)</span> <span class="p">{</span> |
| <span class="n">set_value</span><span class="p">(</span><span class="n">long_</span><span class="p">,</span> <span class="n">arg</span><span class="p">.</span><span class="n">substr</span><span class="p">(</span><span class="n">long_</span><span class="p">.</span><span class="n">size</span><span class="p">()</span><span class="o">+</span><span class="mi">1</span><span class="p">));</span> |
| <span class="k">return</span> <span class="nb">true</span><span class="p">;</span> |
| <span class="p">}</span> |
| <span class="k">return</span> <span class="nb">false</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| <span class="k">virtual</span> <span class="kt">void</span> <span class="n">print_default</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&</span> <span class="n">os</span><span class="p">)</span> <span class="k">const</span> <span class="p">{</span> <span class="n">os</span> <span class="o"><<</span> <span class="s">" (default "</span> <span class="o"><<</span> <span class="n">value_</span> <span class="o"><<</span> <span class="s">")"</span><span class="p">;</span> <span class="p">}</span> |
| |
| <span class="kt">void</span> <span class="n">set_value</span><span class="p">(</span><span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">opt</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">s</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">std</span><span class="o">::</span><span class="n">istringstream</span> <span class="n">is</span><span class="p">(</span><span class="n">s</span><span class="p">);</span> |
| <span class="n">is</span> <span class="o">>></span> <span class="n">value_</span><span class="p">;</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">is</span><span class="p">.</span><span class="n">fail</span><span class="p">()</span> <span class="o">||</span> <span class="n">is</span><span class="p">.</span><span class="n">bad</span><span class="p">())</span> |
| <span class="k">throw</span> <span class="n">bad_option</span><span class="p">(</span><span class="s">"bad value for "</span> <span class="o">+</span> <span class="n">opt</span> <span class="o">+</span> <span class="s">": "</span> <span class="o">+</span> <span class="n">s</span><span class="p">);</span> |
| <span class="p">}</span> |
| |
| <span class="k">private</span><span class="o">:</span> |
| <span class="n">T</span><span class="o">&</span> <span class="n">value_</span><span class="p">;</span> |
| <span class="p">};</span> |
| |
| <span class="k">class</span> <span class="nc">option_flag</span><span class="o">:</span> <span class="k">public</span> <span class="n">option</span> <span class="p">{</span> |
| <span class="k">public</span><span class="o">:</span> |
| <span class="n">option_flag</span><span class="p">(</span><span class="kt">bool</span><span class="o">&</span> <span class="n">flag</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="n">s</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">l</span><span class="p">,</span> <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&</span> <span class="n">d</span><span class="p">)</span> <span class="o">:</span> |
| <span class="n">option</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">l</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="s">""</span><span class="p">),</span> <span class="n">flag_</span><span class="p">(</span><span class="n">flag</span><span class="p">)</span> |
| <span class="p">{</span> <span class="n">flag_</span> <span class="o">=</span> <span class="nb">false</span><span class="p">;</span> <span class="p">}</span> |
| |
| <span class="kt">bool</span> <span class="n">parse</span><span class="p">(</span><span class="kt">int</span> <span class="p">,</span> <span class="kt">char</span> <span class="k">const</span> <span class="o">*</span> <span class="k">const</span> <span class="o">*</span> <span class="n">argv</span><span class="p">,</span> <span class="kt">int</span> <span class="o">&</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">short_</span> <span class="o">||</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">long_</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">flag_</span> <span class="o">=</span> <span class="nb">true</span><span class="p">;</span> |
| <span class="k">return</span> <span class="nb">true</span><span class="p">;</span> |
| <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> |
| <span class="k">return</span> <span class="nb">false</span><span class="p">;</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| |
| <span class="k">private</span><span class="o">:</span> |
| <span class="kt">bool</span> <span class="o">&</span><span class="n">flag_</span><span class="p">;</span> |
| <span class="p">};</span> |
| |
| <span class="k">typedef</span> <span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="o"><</span><span class="n">option</span><span class="o">*></span> <span class="n">opts</span><span class="p">;</span> |
| |
| <span class="kt">int</span> <span class="n">argc_</span><span class="p">;</span> |
| <span class="kt">char</span> <span class="k">const</span> <span class="o">*</span> <span class="k">const</span> <span class="o">*</span> <span class="n">argv_</span><span class="p">;</span> |
| <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">prog_</span><span class="p">;</span> |
| <span class="n">opts</span> <span class="n">opts_</span><span class="p">;</span> |
| <span class="kt">bool</span> <span class="n">help_</span><span class="p">;</span> |
| <span class="p">};</span> |
| <span class="p">}</span> |
| |
| <span class="cp">#endif </span><span class="c1">// OPTIONS_HPP</span> |
| </pre></div> |
| |
| <p><a href="options.hpp">Download this file</a></p> |