archived-doc-pt-br/reference/xmlreader/xmlreader.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 66eeca1e7e130615865b8badbd67c5171bf60c9a Maintainer: fernandowobeto Status: ready --><!-- CREDITS: fernandowobeto -->
<reference xml:id="class.xmlreader" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
 <title>A classe XMLReader</title>
 <titleabbrev>XMLReader</titleabbrev>

 <partintro>

<!-- {{{ XMLReader intro -->
  <section xml:id="xmlreader.intro">
   &reftitle.intro;
   <para>
    A extensão XMLReader é um analisador XML Pull. O leitor atua como um
    cursor que avança no fluxo de documentos e para em cada nó ao longo
    do caminho.
   </para>
  </section>
<!-- }}} -->

  <section xml:id="xmlreader.synopsis">
   &reftitle.classsynopsis;

<!-- {{{ Synopsis -->
   <classsynopsis class="class">
    <ooclass>
     <classname>XMLReader</classname>
    </ooclass>

    <classsynopsisinfo role="comment">&Constants;</classsynopsisinfo>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.none">XMLReader::NONE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.element">XMLReader::ELEMENT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.attribute">XMLReader::ATTRIBUTE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.text">XMLReader::TEXT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.cdata">XMLReader::CDATA</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.entity-ref">XMLReader::ENTITY_REF</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.entity">XMLReader::ENTITY</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.pi">XMLReader::PI</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.comment">XMLReader::COMMENT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.doc">XMLReader::DOC</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.doc-type">XMLReader::DOC_TYPE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.doc-fragment">XMLReader::DOC_FRAGMENT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.notation">XMLReader::NOTATION</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.whitespace">XMLReader::WHITESPACE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.significant-whitespace">XMLReader::SIGNIFICANT_WHITESPACE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.end-element">XMLReader::END_ELEMENT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.end-entity">XMLReader::END_ENTITY</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.xml-declaration">XMLReader::XML_DECLARATION</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.loaddtd">XMLReader::LOADDTD</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.defaultattrs">XMLReader::DEFAULTATTRS</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.validate">XMLReader::VALIDATE</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="xmlreader.constants.subst-entities">XMLReader::SUBST_ENTITIES</varname>
    </fieldsynopsis>

    <classsynopsisinfo role="comment">&Properties;</classsynopsisinfo>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>int</type>
     <varname linkend="xmlreader.props.attributecount">attributeCount</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.baseuri">baseURI</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>int</type>
     <varname linkend="xmlreader.props.depth">depth</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>bool</type>
     <varname linkend="xmlreader.props.hasattributes">hasAttributes</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>bool</type>
     <varname linkend="xmlreader.props.hasvalue">hasValue</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>bool</type>
     <varname linkend="xmlreader.props.isdefault">isDefault</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>bool</type>
     <varname linkend="xmlreader.props.isemptyelement">isEmptyElement</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.localname">localName</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.name">name</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.namespaceuri">namespaceURI</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>int</type>
     <varname linkend="xmlreader.props.nodetype">nodeType</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.prefix">prefix</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.value">value</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <type>string</type>
     <varname linkend="xmlreader.props.xmllang">xmlLang</varname>
    </fieldsynopsis>

    <classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.xmlreader')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='XMLReader'])">
     <xi:fallback/>
    </xi:include>
   </classsynopsis>
<!-- }}} -->

  </section>

<!-- {{{ XMLReader properties -->
  <section xml:id="xmlreader.props">
   &reftitle.properties;
   <variablelist>
    <varlistentry xml:id="xmlreader.props.attributecount">
     <term><varname>attributeCount</varname></term>
     <listitem>
      <para>
       O número de atributos no nó
      </para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.baseuri">
     <term><varname>baseURI</varname></term>
     <listitem>
      <para>O URI base do nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.depth">
     <term><varname>depth</varname></term>
     <listitem>
      <para>Profundidade do nó na árvore, começando em 0</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.hasattributes">
     <term><varname>hasAttributes</varname></term>
     <listitem>
      <para>Indica se o nó possui atributos</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.hasvalue">
     <term><varname>hasValue</varname></term>
     <listitem>
      <para>Indica se o nó possui um valor de texto</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.isdefault">
     <term><varname>isDefault</varname></term>
     <listitem>
      <para>Indica se o atributo é definido por padrão a partir do DTD</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.isemptyelement">
     <term><varname>isEmptyElement</varname></term>
     <listitem>
       <para>Indica se o nó é uma tag de elemento vazia</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.localname">
     <term><varname>localName</varname></term>
     <listitem>
      <para>O nome local do nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.name">
     <term><varname>name</varname></term>
     <listitem>
      <para>O nome qualificado do nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.namespaceuri">
     <term><varname>namespaceURI</varname></term>
     <listitem>
      <para>O URI do namespace associado ao nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.nodetype">
     <term><varname>nodeType</varname></term>
     <listitem>
      <para>O tipo de nó para o nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.prefix">
     <term><varname>prefix</varname></term>
     <listitem>
      <para>O prefixo do namespace associado ao nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.value">
     <term><varname>value</varname></term>
     <listitem>
      <para>O valor de texto do nó</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="xmlreader.props.xmllang">
     <term><varname>xmlLang</varname></term>
     <listitem>
      <para>O escopo xml:lang no qual o nó reside</para>
     </listitem>
    </varlistentry>

   </variablelist>
  </section>
<!-- }}} -->

  <!-- {{{ XMLReader constants -->
  <section xml:id="xmlreader.constants">
   &reftitle.constants;
   <section xml:id="xmlreader.constants.types">
    <title>Tipos de nós XMLReader</title>
    <variablelist>

     <varlistentry xml:id="xmlreader.constants.none">
      <term><constant>XMLReader::NONE</constant></term>
      <listitem>
       <para>Nenhum tipo de nó</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.element">
      <term><constant>XMLReader::ELEMENT</constant></term>
      <listitem>
       <para>Elemento inicial</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.attribute">
      <term><constant>XMLReader::ATTRIBUTE</constant></term>
      <listitem>
       <para>Nó de atributo</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.text">
      <term><constant>XMLReader::TEXT</constant></term>
      <listitem>
       <para>Nó de texto</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.cdata">
      <term><constant>XMLReader::CDATA</constant></term>
      <listitem>
       <para>Nó CDATA</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.entity-ref">
      <term><constant>XMLReader::ENTITY_REF</constant></term>
      <listitem>
       <para>Nó Referência de Entidade</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.entity">
      <term><constant>XMLReader::ENTITY</constant></term>
      <listitem>
       <para>Nó Declaração de Entidade</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.pi">
      <term><constant>XMLReader::PI</constant></term>
      <listitem>
       <para>Nó de Instrução de Processamento</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.comment">
      <term><constant>XMLReader::COMMENT</constant></term>
      <listitem>
       <para>Nó de Comentário</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.doc">
      <term><constant>XMLReader::DOC</constant></term>
      <listitem>
       <para>Nó de Documento</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.doc-type">
      <term><constant>XMLReader::DOC_TYPE</constant></term>
      <listitem>
       <para>Nó Tipo de Documento</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.doc-fragment">
      <term><constant>XMLReader::DOC_FRAGMENT</constant></term>
      <listitem>
       <para>Nó Fragmento de Documento</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.notation">
      <term><constant>XMLReader::NOTATION</constant></term>
      <listitem>
       <para>Nó Notação</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.whitespace">
      <term><constant>XMLReader::WHITESPACE</constant></term>
      <listitem>
       <para>Nó de espaço em branco</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.significant-whitespace">
      <term><constant>XMLReader::SIGNIFICANT_WHITESPACE</constant></term>
      <listitem>
       <para>Nó de espaço em branco significativo</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.end-element">
      <term><constant>XMLReader::END_ELEMENT</constant></term>
      <listitem>
       <para>Elemento final</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.end-entity">
      <term><constant>XMLReader::END_ENTITY</constant></term>
      <listitem>
       <para>Entidade Final</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.xml-declaration">
      <term><constant>XMLReader::XML_DECLARATION</constant></term>
      <listitem>
       <para>Nó de Declaração XML</para>
      </listitem>
     </varlistentry>

    </variablelist>
   </section>

   <section xml:id="xmlreader.constants.options">
    <title>Opções do analisador XMLReader</title>

    <variablelist>

     <varlistentry xml:id="xmlreader.constants.loaddtd">
      <term><constant>XMLReader::LOADDTD</constant></term>
      <listitem>
       <para>Carregar DTD, mas não validar</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.defaultattrs">
      <term><constant>XMLReader::DEFAULTATTRS</constant></term>
      <listitem>
       <para>Carregar DTD e atributos padrão, mas não validar</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.validate">
      <term><constant>XMLReader::VALIDATE</constant></term>
      <listitem>
       <para>Carregar DTD e validar enquanto analisa</para>
      </listitem>
     </varlistentry>

     <varlistentry xml:id="xmlreader.constants.subst-entities">
      <term><constant>XMLReader::SUBST_ENTITIES</constant></term>
      <listitem>
       <para>Substituir entidades e expandir referências</para>
      </listitem>
     </varlistentry>

    </variablelist>
   </section>
  </section>

  <section role="changelog">
   &reftitle.changelog;
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.4.0</entry>
       <entry>
        As constantes de classe agora são tipadas.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </section>

<!-- }}} -->
 </partintro>

 &reference.xmlreader.entities.xmlreader;

</reference>
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