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<title>Fonction document()</title>
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<td valign="top" class="NAME">Fonction document()</td>
<td valign="top" class="COMPATIBILITY">&nbsp;</td>
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<td colspan="2" class="divider"><img src="dwres:18084" width="100%" height="1"></td>
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Permet de traiter plusieurs documents sources dans une feuille de style simple. Cette fonction extr&ecirc;mement puissante et flexible &eacute;tant d&eacute;crite au <link linkend="xslt-CHP-7">chapitre 7</link>, elle ne fera ici l'objet que d'une pr&eacute;sentation succinte.</td></tr>
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<td colspan="2" class="CLEARSEPARATION">&nbsp;</td>
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<td colspan="2" class="TITLE">Entr&eacute;es</td>
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<p>La fonction <span class="LITERAL">document()</span> prend g&eacute;n&eacute;ralement une cha&icirc;ne comme argument&nbsp;; cette cha&icirc;ne est trait&eacute;e comme un URI que le processeur XSLT tente d'ouvrir et d'analyser. Si la cha&icirc;ne est vide (la fonction appel&eacute;e est <span class="LITERAL">document('')</span>), la fonction <span class="LITERAL">document()</span> analyse la feuille de style en question. Voir <link linkend="xslt-CHP-7-SECT-3">Section 7.3</link> du <link linkend="xslt-CHP-7">chapitre 7</link> pour obtenir toutes les informations relatives aux param&egrave;tres de la fonction <span class="LITERAL">document()</span>. </p>
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<td colspan="2" class="TITLE">Sortie</td>
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<p>Ensemble de n&oelig;uds contenant les n&oelig;uds identifi&eacute;s par l'argument d'entr&eacute;e. Une fois encore, <link linkend="xslt-CHP-7">le chapitre 7</link> contenant toutes les informations requises, elles ne seront pas d&eacute;crites ici.</p>
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<td colspan="2" class="TITLE">D&eacute;finie dans</td>
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<p>XSLT section 12.1, Plusieurs Documents Sources.</p>
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<td colspan="2" class="CLEARSEPARATION">&nbsp;</td>
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<td colspan="2" class="TITLE">Exemple</td>
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<p>L'exemple suivant utilise la fonction <span class="LITERAL">document()</span> avec une cha&icirc;ne vide pour impl&eacute;menter une table de recherche. L'exemple du document XML est le suivant&nbsp;:</p>
<span class="PROGRAMLISTING"><pre>
&lt;?xml version=&quot;1.0&quot;?&gt;
&lt;report&gt;
  &lt;title&gt;Miles Flown in 2001&lt;/title&gt;
  &lt;month sequence=&quot;01&quot;&gt;
    &lt;miles-flown&gt;12379&lt;/miles-flown&gt;
    &lt;miles-earned&gt;35215&lt;/miles-earned&gt;
  &lt;/month&gt;
  &lt;month sequence=&quot;02&quot;&gt;
    &lt;miles-flown&gt;32857&lt;/miles-flown&gt;
    &lt;miles-earned&gt;92731&lt;/miles-earned&gt;
  &lt;/month&gt;
  &lt;month sequence=&quot;03&quot;&gt;
    &lt;miles-flown&gt;19920&lt;/miles-flown&gt;
    &lt;miles-earned&gt;76725&lt;/miles-earned&gt;
  &lt;/month&gt;
  &lt;month sequence=&quot;04&quot;&gt;
    &lt;miles-flown&gt;18903&lt;/miles-flown&gt;
    &lt;miles-earned&gt;31781&lt;/miles-earned&gt;
  &lt;/month&gt;
&lt;/report&gt;</pre></span>
<p>La fonction <span class="LITERAL">document()</span> peut &ecirc;tre utilis&eacute;e pour convertir l'attribut <span class="LITERAL">sequence</span> de l'&eacute;l&eacute;ment <span class="LITERAL">&lt;month&gt;</span> et lui donner le nom du mois correspondant. La feuille de style est la suivante&nbsp;:</p>
<span class="PROGRAMLISTING"><pre>
&lt;?xml version=&quot;1.0&quot;?&gt;
&lt;xsl:stylesheet version=&quot;1.0&quot; 
  xmlns:xsl=&quot;http://www.w3.org/1999/XSL/Transform&quot;
  xmlns:months=&quot;Lookup table for month names&quot;&gt;

  &lt;months:name sequence=&quot;01&quot;&gt;January&lt;/months:name&gt;
  &lt;months:name sequence=&quot;02&quot;&gt;February&lt;/months:name&gt;
  &lt;months:name sequence=&quot;03&quot;&gt;March&lt;/months:name&gt;
  &lt;months:name sequence=&quot;04&quot;&gt;April&lt;/months:name&gt;
  &lt;months:name sequence=&quot;05&quot;&gt;May&lt;/months:name&gt;
  &lt;months:name sequence=&quot;06&quot;&gt;June&lt;/months:name&gt;
  &lt;months:name sequence=&quot;07&quot;&gt;July&lt;/months:name&gt;
  &lt;months:name sequence=&quot;08&quot;&gt;August&lt;/months:name&gt;
  &lt;months:name sequence=&quot;09&quot;&gt;September&lt;/months:name&gt;
  &lt;months:name sequence=&quot;10&quot;&gt;October&lt;/months:name&gt;
  &lt;months:name sequence=&quot;11&quot;&gt;November&lt;/months:name&gt;
  &lt;months:name sequence=&quot;12&quot;&gt;December&lt;/months:name&gt;

  &lt;xsl:output method=&quot;text&quot;/&gt;

  &lt;xsl:variable name=&quot;newline&quot;&gt;
&lt;xsl:text&gt;
&lt;/xsl:text&gt;
  &lt;/xsl:variable&gt;

  &lt;xsl:template match=&quot;/&quot;&gt;
    &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
    &lt;xsl:text&gt;A test of the document() function:&lt;/xsl:text&gt;

    &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
    &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
    &lt;xsl:for-each select=&quot;/report/month&quot;&gt;
      &lt;xsl:text&gt;   &lt;/xsl:text&gt;
      &lt;xsl:value-of 
        select=&quot;document('')/*/months:name[@sequence=current()/@sequence]&quot;/&gt;
      &lt;xsl:text&gt; - &lt;/xsl:text&gt;
      &lt;xsl:value-of select=&quot;format-number(miles-flown, '##,###')&quot;/&gt;
      &lt;xsl:text&gt; miles flown, &lt;/xsl:text&gt;
      &lt;xsl:value-of select=&quot;format-number(miles-earned, '##,###')&quot;/&gt;
      &lt;xsl:text&gt; miles earned.&lt;/xsl:text&gt;
      &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
      &lt;xsl:text&gt;      (Averaged &lt;/xsl:text&gt;
      &lt;xsl:value-of 
        select=&quot;format-number(miles-earned div miles-flown, '##.#')&quot;/&gt;
      &lt;xsl:text&gt; miles earned for each mile flown.)&lt;/xsl:text&gt;
<!--<?troff .Nd 10?>-->
      &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
      &lt;xsl:value-of select=&quot;$newline&quot;/&gt;
    &lt;/xsl:for-each&gt;
  &lt;/xsl:template&gt;

&lt;/xsl:stylesheet&gt;</pre></span>
<p>Les r&eacute;sultats sont les suivants, les noms de mois corrects sont inclus dans la sortie&nbsp;:</p>
<span class="PROGRAMLISTING"><pre>

A test of the document() function:

   January - 12,379 miles flown, 35,215 miles earned.
      (Averaged 2.8 miles earned for each mile flown.)

   February - 32,857 miles flown, 92,731 miles earned.
      (Averaged 2.8 miles earned for each mile flown.)

   March - 19,920 miles flown, 76,725 miles earned.
      (Averaged 3.9 miles earned for each mile flown.)

   April - 18,903 miles flown, 31,781 miles earned.
      (Averaged 1.7 miles earned for each mile flown.)
</pre></span>
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