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<title>4/em</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Language" content="en-gb">
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<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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</head>
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<!--Weave of '4/lm' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</a></li><li><a href="index.html">inbuild</a></li><li><a href="index.html#4">Chapter 4: Managing Genres of Work</a></li><li><b>Language Manager</b></li></ul><p class="purpose">A language is a combination of Inter code with an Inform 7 extension.</p>
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<ul class="toc"><li><a href="#SP1">§1. Genre definition</a></li><li><a href="#SP5">§5. Claiming</a></li><li><a href="#SP6">§6. Searching</a></li><li><a href="#SP7">§7. Copying</a></li><li><a href="#SP8">§8. Build graph</a></li></ul><hr class="tocbar">
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. Genre definition. </b></p>
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<pre class="display">
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<span class="reserved">inbuild_genre</span><span class="plain"> *</span><span class="identifier">language_genre</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. </b></p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::start</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
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<span class="identifier">language_genre</span><span class="plain"> = </span><span class="functiontext">Genres::new</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"language"</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">language_genre</span><span class="plain">, </span><span class="constant">GENRE_WRITE_WORK_MTID</span><span class="plain">, </span><span class="functiontext">LanguageManager::write_work</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">language_genre</span><span class="plain">, </span><span class="constant">GENRE_CLAIM_AS_COPY_MTID</span><span class="plain">, </span><span class="functiontext">LanguageManager::claim_as_copy</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">language_genre</span><span class="plain">, </span><span class="constant">GENRE_SEARCH_NEST_FOR_MTID</span><span class="plain">, </span><span class="functiontext">LanguageManager::search_nest_for</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">language_genre</span><span class="plain">, </span><span class="constant">GENRE_COPY_TO_NEST_MTID</span><span class="plain">, </span><span class="functiontext">LanguageManager::copy_to_nest</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::write_work</span><span class="plain">(</span><span class="reserved">inbuild_genre</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">inbuild_work</span><span class="plain"> *</span><span class="identifier">work</span><span class="plain">) {</span>
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<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">work</span><span class="plain">-</span><span class="element">>title</span><span class="plain">);</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function LanguageManager::start is used in 1/im (<a href="1-im.html#SP3">§3</a>).</p>
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<p class="endnote">The function LanguageManager::write_work appears nowhere else.</p>
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<p class="inwebparagraph"><a id="SP3"></a><b>§3. </b>Languages live in the <code class="display"><span class="extract">Inter</span></code> subdirectory of a nest:
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</p>
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<pre class="display">
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="functiontext">LanguageManager::path_within_nest</span><span class="plain">(</span><span class="reserved">inbuild_nest</span><span class="plain"> *</span><span class="identifier">N</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">N</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"no nest"</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">Pathnames::subfolder</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">-</span><span class="element">>location</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Languages"</span><span class="plain">);</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function LanguageManager::path_within_nest is used in <a href="#SP6">§6</a>, <a href="#SP7">§7</a>.</p>
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<p class="inwebparagraph"><a id="SP4"></a><b>§4. </b>Language copies are annotated with a structure called an <code class="display"><span class="extract">inform_language</span></code>,
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which stores data about extensions used by the Inform compiler.
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</p>
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<pre class="display">
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<span class="reserved">inform_language</span><span class="plain"> *</span><span class="functiontext">LanguageManager::from_copy</span><span class="plain">(</span><span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">C</span><span class="plain">) && (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>edition</span><span class="plain">-</span><span class="element">>work</span><span class="plain">-</span><span class="element">>genre</span><span class="plain"> == </span><span class="identifier">language_genre</span><span class="plain">)) {</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">RETRIEVE_POINTER_inform_language</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>content</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
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<span class="plain">}</span>
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<span class="identifier">dictionary</span><span class="plain"> *</span><span class="identifier">language_copy_cache</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
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<span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="functiontext">LanguageManager::new_copy</span><span class="plain">(</span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name</span><span class="plain">, </span><span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">language_copy_cache</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">language_copy_cache</span><span class="plain"> = </span><span class="identifier">Dictionaries::new</span><span class="plain">(16, </span><span class="identifier">FALSE</span><span class="plain">);</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">key</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">key</span><span class="plain">, </span><span class="string">"%p"</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
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<span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Dictionaries::find</span><span class="plain">(</span><span class="identifier">language_copy_cache</span><span class="plain">, </span><span class="identifier">key</span><span class="plain">))</span>
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<span class="identifier">C</span><span class="plain"> = </span><span class="identifier">Dictionaries::read_value</span><span class="plain">(</span><span class="identifier">language_copy_cache</span><span class="plain">, </span><span class="identifier">key</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
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<span class="reserved">inform_language</span><span class="plain"> *</span><span class="identifier">K</span><span class="plain"> = </span><span class="functiontext">Languages::new_il</span><span class="plain">(</span><span class="identifier">name</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
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<span class="reserved">inbuild_work</span><span class="plain"> *</span><span class="identifier">work</span><span class="plain"> = </span><span class="functiontext">Works::new</span><span class="plain">(</span><span class="identifier">language_genre</span><span class="plain">, </span><span class="identifier">Str::duplicate</span><span class="plain">(</span><span class="identifier">name</span><span class="plain">), </span><span class="identifier">NULL</span><span class="plain">);</span>
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<span class="reserved">inbuild_edition</span><span class="plain"> *</span><span class="identifier">edition</span><span class="plain"> = </span><span class="functiontext">Editions::new</span><span class="plain">(</span><span class="identifier">work</span><span class="plain">, </span><span class="identifier">K</span><span class="plain">-</span><span class="element">>version</span><span class="plain">);</span>
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<span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">Copies::new_in_path</span><span class="plain">(</span><span class="identifier">edition</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">STORE_POINTER_inform_language</span><span class="plain">(</span><span class="identifier">K</span><span class="plain">));</span>
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<span class="identifier">K</span><span class="plain">-</span><span class="element">>as_copy</span><span class="plain"> = </span><span class="identifier">C</span><span class="plain">;</span>
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<span class="identifier">Dictionaries::create</span><span class="plain">(</span><span class="identifier">language_copy_cache</span><span class="plain">, </span><span class="identifier">key</span><span class="plain">);</span>
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<span class="identifier">Dictionaries::write_value</span><span class="plain">(</span><span class="identifier">language_copy_cache</span><span class="plain">, </span><span class="identifier">key</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">key</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">C</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function LanguageManager::from_copy is used in 5/ps (<a href="5-ps.html#SP1">§1</a>).</p>
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<p class="endnote">The function LanguageManager::new_copy is used in <a href="#SP5">§5</a>.</p>
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<p class="inwebparagraph"><a id="SP5"></a><b>§5. Claiming. </b>Here <code class="display"><span class="extract">arg</span></code> is a textual form of a filename or pathname, such as may have been
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supplied at the command line; <code class="display"><span class="extract">ext</span></code> is a substring of it, and is its extension
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(e.g., <code class="display"><span class="extract">jpg</span></code> if <code class="display"><span class="extract">arg</span></code> is <code class="display"><span class="extract">Geraniums.jpg</span></code>), or is empty if there isn't one;
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<code class="display"><span class="extract">directory_status</span></code> is true if we know for some reason that this is a directory
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not a file, false if we know the reverse, and otherwise not applicable.
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</p>
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<p class="inwebparagraph">A language needs to be a directory whose name ends in <code class="display"><span class="extract">Language</span></code>, and which contains
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a valid metadata file. The name should be in English text, without accents.
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</p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::claim_as_copy</span><span class="plain">(</span><span class="reserved">inbuild_genre</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="reserved">inbuild_copy</span><span class="plain"> **</span><span class="identifier">C</span><span class="plain">,</span>
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<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">arg</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">ext</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">directory_status</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">directory_status</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="identifier">Pathnames::from_text</span><span class="plain">(</span><span class="identifier">arg</span><span class="plain">);</span>
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<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name</span><span class="plain"> = </span><span class="identifier">Pathnames::directory_name</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">acceptable</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
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<span class="identifier">LOOP_THROUGH_TEXT</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">, </span><span class="identifier">name</span><span class="plain">) {</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = </span><span class="identifier">Str::get</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">c</span><span class="plain"> < 32) || (</span><span class="identifier">c</span><span class="plain"> > 126)) </span><span class="identifier">acceptable</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">; </span> <span class="comment">contains non-ASCII</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> == </span><span class="identifier">FOLDER_SEPARATOR</span><span class="plain">) { </span><span class="identifier">Str::put</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">, 0); </span><span class="reserved">break</span><span class="plain">; }</span>
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<span class="plain">}</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">name</span><span class="plain">) == 0) </span><span class="identifier">acceptable</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">; </span> <span class="comment">i.e., an empty text</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">acceptable</span><span class="plain">) {</span>
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<span class="plain">*</span><span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">LanguageManager::claim_folder_as_copy</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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<span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="functiontext">LanguageManager::claim_folder_as_copy</span><span class="plain">(</span><span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
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<span class="identifier">filename</span><span class="plain"> *</span><span class="identifier">canary</span><span class="plain"> = </span><span class="identifier">Filenames::in_folder</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"about.txt"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">TextFiles::exists</span><span class="plain">(</span><span class="identifier">canary</span><span class="plain">)) {</span>
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<span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">LanguageManager::new_copy</span><span class="plain">(</span><span class="identifier">Pathnames::directory_name</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">);</span>
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<span class="functiontext">LanguageManager::build_vertex</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">);</span>
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<span class="functiontext">Works::add_to_database</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>edition</span><span class="plain">-</span><span class="element">>work</span><span class="plain">, </span><span class="constant">CLAIMED_WDBC</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">C</span><span class="plain">;</span>
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<span class="plain">}</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function LanguageManager::claim_as_copy is used in <a href="#SP2">§2</a>.</p>
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<p class="endnote">The function LanguageManager::claim_folder_as_copy is used in <a href="#SP6">§6</a>.</p>
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<p class="inwebparagraph"><a id="SP6"></a><b>§6. Searching. </b>Here we look through a nest to find all languages matching the supplied
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requirements.
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</p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::search_nest_for</span><span class="plain">(</span><span class="reserved">inbuild_genre</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="reserved">inbuild_nest</span><span class="plain"> *</span><span class="identifier">N</span><span class="plain">,</span>
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<span class="reserved">inbuild_requirement</span><span class="plain"> *</span><span class="identifier">req</span><span class="plain">, </span><span class="identifier">linked_list</span><span class="plain"> *</span><span class="identifier">search_results</span><span class="plain">) {</span>
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">LanguageManager::path_within_nest</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">);</span>
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<span class="identifier">scan_directory</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="identifier">Directories::open</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain">) {</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">LEAFNAME</span><span class="plain">);</span>
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<span class="reserved">while</span><span class="plain"> (</span><span class="identifier">Directories::next</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="identifier">LEAFNAME</span><span class="plain">)) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::get_last_char</span><span class="plain">(</span><span class="identifier">LEAFNAME</span><span class="plain">) == </span><span class="identifier">FOLDER_SEPARATOR</span><span class="plain">) {</span>
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<span class="identifier">Str::delete_last_character</span><span class="plain">(</span><span class="identifier">LEAFNAME</span><span class="plain">);</span>
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">Q</span><span class="plain"> = </span><span class="identifier">Pathnames::subfolder</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">LEAFNAME</span><span class="plain">);</span>
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<span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">LanguageManager::claim_folder_as_copy</span><span class="plain">(</span><span class="identifier">Q</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">C</span><span class="plain">) && (</span><span class="functiontext">Requirements::meets</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>edition</span><span class="plain">, </span><span class="identifier">req</span><span class="plain">))) {</span>
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<span class="functiontext">Nests::add_search_result</span><span class="plain">(</span><span class="identifier">search_results</span><span class="plain">, </span><span class="identifier">N</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">req</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">LEAFNAME</span><span class="plain">);</span>
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<span class="identifier">Directories::close</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function LanguageManager::search_nest_for is used in <a href="#SP2">§2</a>.</p>
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<p class="inwebparagraph"><a id="SP7"></a><b>§7. Copying. </b>Now the task is to copy a language into place in a nest. Since a language is a folder,
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we need to <code class="display"><span class="extract">rsync</span></code> it.
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</p>
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<pre class="display">
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="functiontext">LanguageManager::pathname_in_nest</span><span class="plain">(</span><span class="reserved">inbuild_nest</span><span class="plain"> *</span><span class="identifier">N</span><span class="plain">, </span><span class="reserved">inbuild_edition</span><span class="plain"> *</span><span class="identifier">E</span><span class="plain">) {</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">leaf</span><span class="plain">);</span>
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<span class="functiontext">Editions::write_canonical_leaf</span><span class="plain">(</span><span class="identifier">leaf</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">);</span>
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="identifier">Pathnames::subfolder</span><span class="plain">(</span><span class="functiontext">LanguageManager::path_within_nest</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">), </span><span class="identifier">leaf</span><span class="plain">);</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">leaf</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">P</span><span class="plain">;</span>
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<span class="plain">}</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::copy_to_nest</span><span class="plain">(</span><span class="reserved">inbuild_genre</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="reserved">inbuild_nest</span><span class="plain"> *</span><span class="identifier">N</span><span class="plain">,</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">syncing</span><span class="plain">, </span><span class="reserved">build_methodology</span><span class="plain"> *</span><span class="identifier">meth</span><span class="plain">) {</span>
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<span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">dest_language</span><span class="plain"> = </span><span class="functiontext">LanguageManager::pathname_in_nest</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>edition</span><span class="plain">);</span>
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<span class="identifier">filename</span><span class="plain"> *</span><span class="identifier">dest_language_metadata</span><span class="plain"> = </span><span class="identifier">Filenames::in_folder</span><span class="plain">(</span><span class="identifier">dest_language</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"about.txt"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">TextFiles::exists</span><span class="plain">(</span><span class="identifier">dest_language_metadata</span><span class="plain">)) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">syncing</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">) { </span><span class="functiontext">Nests::overwrite_error</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">meth</span><span class="plain">-</span><span class="element">>methodology</span><span class="plain"> == </span><span class="constant">DRY_RUN_METHODOLOGY</span><span class="plain">) {</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">, </span><span class="string">"mkdir -p "</span><span class="plain">);</span>
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<span class="identifier">Shell::quote_path</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">, </span><span class="identifier">dest_language</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">STDOUT</span><span class="plain">, </span><span class="string">"%S\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">command</span><span class="plain">);</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">);</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="identifier">Pathnames::create_in_file_system</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">-</span><span class="element">>location</span><span class="plain">);</span>
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<span class="identifier">Pathnames::create_in_file_system</span><span class="plain">(</span><span class="functiontext">LanguageManager::path_within_nest</span><span class="plain">(</span><span class="identifier">N</span><span class="plain">));</span>
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<span class="identifier">Pathnames::create_in_file_system</span><span class="plain">(</span><span class="identifier">dest_language</span><span class="plain">);</span>
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|
<span class="plain">}</span>
|
|
<span class="plain">}</span>
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|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">meth</span><span class="plain">-</span><span class="element">>methodology</span><span class="plain"> == </span><span class="constant">DRY_RUN_METHODOLOGY</span><span class="plain">) {</span>
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|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">, </span><span class="string">"rsync -a --delete "</span><span class="plain">);</span>
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|
<span class="identifier">Shell::quote_path</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>location_if_path</span><span class="plain">);</span>
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|
<span class="identifier">Shell::quote_path</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">, </span><span class="identifier">dest_language</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">STDOUT</span><span class="plain">, </span><span class="string">"%S\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">command</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">command</span><span class="plain">);</span>
|
|
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
|
|
<span class="identifier">Pathnames::rsync</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>location_if_path</span><span class="plain">, </span><span class="identifier">dest_language</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function LanguageManager::pathname_in_nest appears nowhere else.</p>
|
|
|
|
<p class="endnote">The function LanguageManager::copy_to_nest is used in <a href="#SP2">§2</a>.</p>
|
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|
|
<p class="inwebparagraph"><a id="SP8"></a><b>§8. Build graph. </b>The build graph for a language bundle is just a single node: you don't need to
|
|
build it at all.
|
|
</p>
|
|
|
|
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<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">LanguageManager::build_vertex</span><span class="plain">(</span><span class="reserved">inbuild_copy</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">) {</span>
|
|
<span class="functiontext">Graphs::copy_vertex</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function LanguageManager::build_vertex is used in <a href="#SP5">§5</a>.</p>
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|
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