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<title>Class Poco::StringTokenizer</title>
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<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="symbol">class StringTokenizer</h1>
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<b>Library:</b> Foundation<br />
<b>Package:</b> Core<br />
<b>Header:</b> Poco/StringTokenizer.h</p>
<h2>Description</h2>
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<p>A simple tokenizer that splits a string into tokens, which are separated by separator characters. An iterator is used to iterate over all tokens. </p>
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<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.StringTokenizer.html#10473" title="Poco::StringTokenizer::begin()">begin</a>, <a href="Poco.StringTokenizer.html#10477" title="Poco::StringTokenizer::count()">count</a>, <a href="Poco.StringTokenizer.html#10474" title="Poco::StringTokenizer::end()">end</a>, <a href="Poco.StringTokenizer.html#10475" title="Poco::StringTokenizer::operator()">operator</a></p>
<h2>Types</h2>
<h3><a name="10467">Iterator</a></h3>
<p class="decl">typedef std::vector < std::string >::const_iterator <a href="Poco.StringTokenizer.html#10467" title="Poco::StringTokenizer::Iterator">Iterator</a>;</p>
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<p></p>
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<h2>Enumerations</h2>
<h3><a name="10464">Options</a></h3>
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<p class="decl"><a name="10465">TOK_IGNORE_EMPTY</a> = 1</p>
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<p>ignore empty tokens </p>
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<p class="decl"><a name="10466">TOK_TRIM</a> = 2</p>
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<p>remove leading and trailing whitespace from tokens </p>
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<h2>Constructors</h2>
<h3><a name="10468">StringTokenizer</a></h3>
<p class="decl"><a href="Poco.StringTokenizer.html" title="class Poco::StringTokenizer">StringTokenizer</a>(<br /> const std::string & str,<br /> const std::string & separators,<br /> int options = 0<br />);</p>
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<p>Splits the given string into tokens. The tokens are expected to be separated by one of the separator characters given in separators. Additionally, options can be specified: </p>
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<li><a href="Poco.StringTokenizer.html#10465" title="Poco::StringTokenizer::TOK_IGNORE_EMPTY">TOK_IGNORE_EMPTY</a>: empty tokens are ignored </li>
<li><a href="Poco.StringTokenizer.html#10466" title="Poco::StringTokenizer::TOK_TRIM">TOK_TRIM</a>: trailing and leading whitespace is removed from tokens. </li>
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<p>An empty token at the end of str is always ignored. For example, a <a href="Poco.StringTokenizer.html" title="class Poco::StringTokenizer">StringTokenizer</a> with the following arguments: </p>
<pre>StringTokenizer(",ab,cd,", ",");
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<p>will produce three tokens, "", "ab" and "cd". </p>
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<h2>Destructor</h2>
<h3><a name="10472">~StringTokenizer</a></h3>
<p class="decl">~<a href="Poco.StringTokenizer.html" title="class Poco::StringTokenizer">StringTokenizer</a>();</p>
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<p>Destroys the tokenizer. </p>
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<h2>Member Functions</h2>
<h3><a name="10473">begin</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.StringTokenizer.html#10467" title="Poco::StringTokenizer::Iterator">Iterator</a> begin() const;</p>
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<p></p>
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<h3><a name="10477">count</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">std::size_t count() const;</p>
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<p>Returns the number of tokens. </p>
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<h3><a name="10474">end</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.StringTokenizer.html#10467" title="Poco::StringTokenizer::Iterator">Iterator</a> end() const;</p>
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<p></p>
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<h3><a name="10475">operator</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">const std::string & operator[] (<br /> std::size_t index<br />) const;</p>
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<p>Returns the index'th token. Throws a <a href="Poco.RangeException.html" title="class Poco::RangeException">RangeException</a> if the index is out of range. </p>
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<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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