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<p>Line-oriented parsing.
<a href="#details">More...</a></p>
<p><a href="icalparser_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a9332da05cc4922f68ae2b07f442c06fa"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structicalparser__impl.html">icalparser_impl</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a></td></tr>
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typedef char *(* </td><td class="memItemRight" valign="bottom"><b>icalparser_line_gen_func</b>) (char *s, size_t size, void *d)</td></tr>
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typedef enum <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">icalparser_state</a> </td><td class="memItemRight" valign="bottom"><b>icalparser_state</b></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:aeec42cd09dd789c699d7b6741cbec3e7"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">icalparser_state</a> { <br />
  <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a>
, <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7a2dc67ce9b2811c477a462025a9ed9090">ICALPARSER_SUCCESS</a>
, <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7a0bfd41070e190cb87f0e8385e0c8031e">ICALPARSER_BEGIN_COMP</a>
, <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7a5a29afa239e509cc9f45a61a2c10feb2">ICALPARSER_END_COMP</a>
, <br />
  <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7a927206f107dfdc62cfd33a9115a997b2">ICALPARSER_IN_PROGRESS</a>
<br />
}</td></tr>
<tr class="memdesc:aeec42cd09dd789c699d7b6741cbec3e7"><td class="mdescLeft"> </td><td class="mdescRight">Represents the current state of the parser. <a href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">More...</a><br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a987113ea951dc55e37a764af168caaca"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca">icalparser_add_line</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser, char *str)</td></tr>
<tr class="memdesc:a987113ea951dc55e37a764af168caaca"><td class="mdescLeft"> </td><td class="mdescRight">Adds a single line to be parsed by the icalparser. <a href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca">More...</a><br /></td></tr>
<tr class="separator:a987113ea951dc55e37a764af168caaca"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa6e4c9c494345c51adf49a7e30255fb7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#aa6e4c9c494345c51adf49a7e30255fb7">icalparser_clean</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser)</td></tr>
<tr class="memdesc:aa6e4c9c494345c51adf49a7e30255fb7"><td class="mdescLeft"> </td><td class="mdescRight">Cleans out an icalparser and returns whatever it has parsed so far. <a href="icalparser_8h.html#aa6e4c9c494345c51adf49a7e30255fb7">More...</a><br /></td></tr>
<tr class="separator:aa6e4c9c494345c51adf49a7e30255fb7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1cb8b8678b781d3d2ede0fbce613b90d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser)</td></tr>
<tr class="memdesc:a1cb8b8678b781d3d2ede0fbce613b90d"><td class="mdescLeft"> </td><td class="mdescRight">Frees an icalparser object. <a href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">More...</a><br /></td></tr>
<tr class="separator:a1cb8b8678b781d3d2ede0fbce613b90d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada2de638b68de5146ae860631709f4a3"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#ada2de638b68de5146ae860631709f4a3">icalparser_get_line</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser, icalparser_line_gen_func line_gen_func)</td></tr>
<tr class="memdesc:ada2de638b68de5146ae860631709f4a3"><td class="mdescLeft"> </td><td class="mdescRight">Given a line generator function, returns a single iCal content line. <a href="icalparser_8h.html#ada2de638b68de5146ae860631709f4a3">More...</a><br /></td></tr>
<tr class="separator:ada2de638b68de5146ae860631709f4a3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a27d19ac53219bb65aeb9a031dbf027"><td class="memItemLeft" align="right" valign="top"><a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">icalparser_state</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a9a27d19ac53219bb65aeb9a031dbf027">icalparser_get_state</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser)</td></tr>
<tr class="memdesc:a9a27d19ac53219bb65aeb9a031dbf027"><td class="mdescLeft"> </td><td class="mdescRight">Returns current state of the icalparser. <a href="icalparser_8h.html#a9a27d19ac53219bb65aeb9a031dbf027">More...</a><br /></td></tr>
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<tr class="memitem:a9848e4dc69f814f49a5ece028c43be57"><td class="memItemLeft" align="right" valign="top"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a> (void)</td></tr>
<tr class="memdesc:a9848e4dc69f814f49a5ece028c43be57"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new icalparser. <a href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">More...</a><br /></td></tr>
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<tr class="memitem:a00330df647417bb017a7daaaffafddec"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a00330df647417bb017a7daaaffafddec">icalparser_parse</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser, icalparser_line_gen_func line_gen_func)</td></tr>
<tr class="memdesc:a00330df647417bb017a7daaaffafddec"><td class="mdescLeft"> </td><td class="mdescRight">Message oriented parsing. <a href="icalparser_8h.html#a00330df647417bb017a7daaaffafddec">More...</a><br /></td></tr>
<tr class="separator:a00330df647417bb017a7daaaffafddec"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5e1268344c61e44a0ec18085688f07fd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#a5e1268344c61e44a0ec18085688f07fd">icalparser_parse_string</a> (const char *str)</td></tr>
<tr class="memdesc:a5e1268344c61e44a0ec18085688f07fd"><td class="mdescLeft"> </td><td class="mdescRight">Parses a string and returns the parsed icalcomponent. <a href="icalparser_8h.html#a5e1268344c61e44a0ec18085688f07fd">More...</a><br /></td></tr>
<tr class="separator:a5e1268344c61e44a0ec18085688f07fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aae6d08b4084610e225621a25dddd7689"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689">icalparser_set_gen_data</a> (<a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> *parser, void *data)</td></tr>
<tr class="memdesc:aae6d08b4084610e225621a25dddd7689"><td class="mdescLeft"> </td><td class="mdescRight">Sets the data that icalparser_parse will give to the line_gen_func as the parameter 'd'. <a href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689">More...</a><br /></td></tr>
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<tr class="memitem:a6429fdd3d61babc95a3851d78c16ae66"><td class="memItemLeft" align="right" valign="top"><a id="a6429fdd3d61babc95a3851d78c16ae66" name="a6429fdd3d61babc95a3851d78c16ae66"></a>
char * </td><td class="memItemRight" valign="bottom"><b>icalparser_string_line_generator</b> (char *out, size_t buf_size, void *d)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Line-oriented parsing. </p>
<p >This file provides methods to parse iCalendar-formatted data into the structures provided by this library.</p>
<dl class="section user"><dt>Usage</dt><dd>Create a new parser via icalparser_new_parser(), then add lines one at a time with <a class="el" href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca" title="Adds a single line to be parsed by the icalparser.">icalparser_add_line()</a>. <a class="el" href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca" title="Adds a single line to be parsed by the icalparser.">icalparser_add_line()</a> will return non-zero when it has finished with a component. </dd></dl>
</div><h2 class="groupheader">Typedef Documentation</h2>
<a id="a9332da05cc4922f68ae2b07f442c06fa" name="a9332da05cc4922f68ae2b07f442c06fa"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9332da05cc4922f68ae2b07f442c06fa">◆ </a></span>icalparser</h2>
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<td class="memname"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a></td>
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<p >Implementation of the icalparser struct, which holds the state for the current parsing operation. </p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="aeec42cd09dd789c699d7b6741cbec3e7" name="aeec42cd09dd789c699d7b6741cbec3e7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aeec42cd09dd789c699d7b6741cbec3e7">◆ </a></span>icalparser_state</h2>
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<td class="memname">enum <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">icalparser_state</a></td>
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<p>Represents the current state of the parser. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8" name="aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8"></a>ICALPARSER_ERROR </td><td class="fielddoc"><p >An error occurred while parsing. </p>
</td></tr>
<tr><td class="fieldname"><a id="aeec42cd09dd789c699d7b6741cbec3e7a2dc67ce9b2811c477a462025a9ed9090" name="aeec42cd09dd789c699d7b6741cbec3e7a2dc67ce9b2811c477a462025a9ed9090"></a>ICALPARSER_SUCCESS </td><td class="fielddoc"><p >Parsing was successful. </p>
</td></tr>
<tr><td class="fieldname"><a id="aeec42cd09dd789c699d7b6741cbec3e7a0bfd41070e190cb87f0e8385e0c8031e" name="aeec42cd09dd789c699d7b6741cbec3e7a0bfd41070e190cb87f0e8385e0c8031e"></a>ICALPARSER_BEGIN_COMP </td><td class="fielddoc"><p >Currently parsing the begin of a component. </p>
</td></tr>
<tr><td class="fieldname"><a id="aeec42cd09dd789c699d7b6741cbec3e7a5a29afa239e509cc9f45a61a2c10feb2" name="aeec42cd09dd789c699d7b6741cbec3e7a5a29afa239e509cc9f45a61a2c10feb2"></a>ICALPARSER_END_COMP </td><td class="fielddoc"><p >Currently parsing the end of the component. </p>
</td></tr>
<tr><td class="fieldname"><a id="aeec42cd09dd789c699d7b6741cbec3e7a927206f107dfdc62cfd33a9115a997b2" name="aeec42cd09dd789c699d7b6741cbec3e7a927206f107dfdc62cfd33a9115a997b2"></a>ICALPARSER_IN_PROGRESS </td><td class="fielddoc"><p >Parsing is currently in progress. </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a987113ea951dc55e37a764af168caaca" name="a987113ea951dc55e37a764af168caaca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a987113ea951dc55e37a764af168caaca">◆ </a></span>icalparser_add_line()</h2>
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<td class="memname"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * icalparser_add_line </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
<td class="paramname"><em>parser</em>, </td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>str</em> </td>
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<p>Adds a single line to be parsed by the icalparser. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The parser to use </td></tr>
<tr><td class="paramname">str</td><td>A string representing a single line of RFC5545-formatted iCalendar data </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>When this was the last line of the component to be parsed, it returns the icalcomponent, otherwise it returns <code>NULL</code>. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="icalparser_8h.html#a00330df647417bb017a7daaaffafddec" title="Message oriented parsing.">icalparser_parse()</a></dd></dl>
<dl class="section user"><dt>Error handling</dt><dd><ul>
<li>If <em>parser</em> is <code>NULL</code>, it returns <code>NULL</code> and sets <a class="el" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37" title="Access the current icalerrno value.">icalerrno</a> to <a class="el" href="icalerror_8h.html#a601c122fcea522513b1b7732fa23e833a2cc8bbcd8c07fc9a16e36f7aae5757b1">ICAL_BADARG_ERROR</a>.</li>
<li>If <em>line</em> is empty, if returns <code>NULL</code></li>
<li>If <em>line</em> is <code>NULL</code>, it returns <code>NULL</code> and sets the <em>parser's</em> <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7" title="Represents the current state of the parser.">icalparser_state</a> to <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a>.</li>
<li>For errors during parsing, the functions can set the <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7" title="Represents the current state of the parser.">icalparser_state</a> to <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a> and/or return components of the type ICAL_XLICINVALID_COMPONENT, or components with properties of the type ICAL_XLICERROR_PROPERTY.</li>
</ul>
</dd></dl>
<dl class="section user"><dt>Ownership</dt><dd>Ownership of the <em>str</em> is transferred to libical upon calling this method. The returned icalcomponent is owned by the caller and needs to be <code>free()</code>d with the appropriate method after it's no longer needed.</dd></dl>
<dl class="section user"><dt>Example</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">char</span>* read_stream(<span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> size, <span class="keywordtype">void</span> *d)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">return</span> fgets(s, (<span class="keywordtype">int</span>)size, (FILE*)d);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">void</span> parse()</div>
<div class="line">{</div>
<div class="line"> <span class="keywordtype">char</span>* line;</div>
<div class="line"> FILE* stream;</div>
<div class="line"> <a class="code hl_struct" href="structicalcomponent__impl.html">icalcomponent</a> *component;</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_struct" href="structicalparser__impl.html">icalparser</a> *parser = <a class="code hl_function" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a>();</div>
<div class="line"> stream = fopen(argv[1],<span class="stringliteral">"r"</span>);</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689">icalparser_set_gen_data</a>(parser, stream);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">do</span>{</div>
<div class="line"> <span class="comment">// get a single content line</span></div>
<div class="line"> line = <a class="code hl_function" href="icalparser_8h.html#ada2de638b68de5146ae860631709f4a3">icalparser_get_line</a>(parser, read_stream);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// add that line to the parser</span></div>
<div class="line"> c = <a class="code hl_function" href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca">icalparser_add_line</a>(parser,line);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// once we parsed a component, print it</span></div>
<div class="line"> <span class="keywordflow">if</span> (c != 0) {</div>
<div class="line"> printf(<span class="stringliteral">"%s"</span>, icalcomponent_as_ical_string(c));</div>
<div class="line"> icalcomponent_free(c);</div>
<div class="line"> }</div>
<div class="line"> } <span class="keywordflow">while</span> (line != 0);</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a>(parser);</div>
<div class="line">}</div>
<div class="ttc" id="aicalparser_8h_html_a1cb8b8678b781d3d2ede0fbce613b90d"><div class="ttname"><a href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a></div><div class="ttdeci">void icalparser_free(icalparser *parser)</div><div class="ttdoc">Frees an icalparser object.</div><div class="ttdef"><b>Definition:</b> icalparser.c:104</div></div>
<div class="ttc" id="aicalparser_8h_html_a9848e4dc69f814f49a5ece028c43be57"><div class="ttname"><a href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a></div><div class="ttdeci">icalparser * icalparser_new(void)</div><div class="ttdoc">Creates a new icalparser.</div><div class="ttdef"><b>Definition:</b> icalparser.c:81</div></div>
<div class="ttc" id="aicalparser_8h_html_a987113ea951dc55e37a764af168caaca"><div class="ttname"><a href="icalparser_8h.html#a987113ea951dc55e37a764af168caaca">icalparser_add_line</a></div><div class="ttdeci">icalcomponent * icalparser_add_line(icalparser *parser, char *str)</div><div class="ttdoc">Adds a single line to be parsed by the icalparser.</div><div class="ttdef"><b>Definition:</b> icalparser.c:682</div></div>
<div class="ttc" id="aicalparser_8h_html_aae6d08b4084610e225621a25dddd7689"><div class="ttname"><a href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689">icalparser_set_gen_data</a></div><div class="ttdeci">void icalparser_set_gen_data(icalparser *parser, void *data)</div><div class="ttdoc">Sets the data that icalparser_parse will give to the line_gen_func as the parameter 'd'.</div><div class="ttdef"><b>Definition:</b> icalparser.c:121</div></div>
<div class="ttc" id="aicalparser_8h_html_ada2de638b68de5146ae860631709f4a3"><div class="ttname"><a href="icalparser_8h.html#ada2de638b68de5146ae860631709f4a3">icalparser_get_line</a></div><div class="ttdeci">char * icalparser_get_line(icalparser *parser, icalparser_line_gen_func line_gen_func)</div><div class="ttdoc">Given a line generator function, returns a single iCal content line.</div><div class="ttdef"><b>Definition:</b> icalparser.c:467</div></div>
<div class="ttc" id="astructicalcomponent__impl_html"><div class="ttname"><a href="structicalcomponent__impl.html">icalcomponent_impl</a></div><div class="ttdef"><b>Definition:</b> icalcomponent.c:28</div></div>
<div class="ttc" id="astructicalparser__impl_html"><div class="ttname"><a href="structicalparser__impl.html">icalparser_impl</a></div><div class="ttdef"><b>Definition:</b> icalparser.c:32</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa6e4c9c494345c51adf49a7e30255fb7">◆ </a></span>icalparser_clean()</h2>
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<td class="memname"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * icalparser_clean </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
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<p>Cleans out an icalparser and returns whatever it has parsed so far. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The icalparser to clean </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The parsed icalcomponent</dd></dl>
<dl class="section user"><dt>Error handling</dt><dd>If <em>parser</em> is <code>NULL</code>, it returns <code>NULL</code> and sets <a class="el" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37" title="Access the current icalerrno value.">icalerrno</a> to <a class="el" href="icalerror_8h.html#a601c122fcea522513b1b7732fa23e833a2cc8bbcd8c07fc9a16e36f7aae5757b1">ICAL_BADARG_ERROR</a>. For parsing errors, it inserts an <code>X-LIC-ERROR</code> property into the affected components.</dd></dl>
<dl class="section user"><dt>Ownership</dt><dd>The returned icalcomponent is property of the caller and needs to be free'd with icalcomponent_free() after use.</dd></dl>
<p>This will parse components even if it hasn't encountered a proper <code>END</code> tag for it yet and return them, as well as clearing any intermediate state resulting from being in the middle of parsing something so the parser can be used to parse something new. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1cb8b8678b781d3d2ede0fbce613b90d">◆ </a></span>icalparser_free()</h2>
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<td class="memname">void icalparser_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
<td class="paramname"><em>parser</em></td><td>)</td>
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<p>Frees an icalparser object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The icalparser to be freed.</td></tr>
</table>
</dd>
</dl>
<dl class="section user"><dt>Example</dt><dd><div class="fragment"><div class="line"><a class="code hl_struct" href="structicalparser__impl.html">icalparser</a> *parser = <a class="code hl_function" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a>();</div>
<div class="line"> </div>
<div class="line"><span class="comment">// use parser ...</span></div>
<div class="line"> </div>
<div class="line"><a class="code hl_function" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a>(parser);</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ada2de638b68de5146ae860631709f4a3">◆ </a></span>icalparser_get_line()</h2>
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<td class="memname">char * icalparser_get_line </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
<td class="paramname"><em>parser</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">icalparser_line_gen_func </td>
<td class="paramname"><em>line_gen_func</em> </td>
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<p>Given a line generator function, returns a single iCal content line. </p>
<dl class="section return"><dt>Returns</dt><dd>A pointer to a single line of data or <code>NULL</code> if it reached end of file reading from the <em>line_gen_func</em>. Note that the pointer returned is owned by libical and must not be <code>free()</code>d by the user. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The parser object to use </td></tr>
<tr><td class="paramname">line_gen_func</td><td>The function to use for reading data</td></tr>
</table>
</dd>
</dl>
<p>This function uses the supplied <em>line_gen_func</em> to read data in, until it has read a full line, and returns the full line. It includes any continuation lines, which start with a space after a newline. To supply arbitrary data (as the parameter <em>d</em>) to your <em>line_gen_func</em>, call <a class="el" href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689" title="Sets the data that icalparser_parse will give to the line_gen_func as the parameter 'd'.">icalparser_set_gen_data()</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9a27d19ac53219bb65aeb9a031dbf027">◆ </a></span>icalparser_get_state()</h2>
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<td class="memname"><a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7">icalparser_state</a> icalparser_get_state </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
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<p>Returns current state of the icalparser. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The (valid, non-<code>NULL</code>) parser object </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The current state of the icalparser, as an <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7" title="Represents the current state of the parser.">icalparser_state</a></dd></dl>
<dl class="section user"><dt>Example</dt><dd><div class="fragment"><div class="line"><a class="code hl_struct" href="structicalparser__impl.html">icalparser</a> *parser = <a class="code hl_function" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a>();</div>
<div class="line"> </div>
<div class="line"><span class="comment">// use icalparser...</span></div>
<div class="line"> </div>
<div class="line"><span class="keywordflow">if</span>(<a class="code hl_function" href="icalparser_8h.html#a9a27d19ac53219bb65aeb9a031dbf027">icalparser_get_state</a>(parser) == <a class="code hl_enumvalue" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a>) {</div>
<div class="line"> <span class="comment">// handle error</span></div>
<div class="line">} <span class="keywordflow">else</span> {</div>
<div class="line"> <span class="comment">// ...</span></div>
<div class="line">}</div>
<div class="ttc" id="aicalparser_8h_html_a9a27d19ac53219bb65aeb9a031dbf027"><div class="ttname"><a href="icalparser_8h.html#a9a27d19ac53219bb65aeb9a031dbf027">icalparser_get_state</a></div><div class="ttdeci">icalparser_state icalparser_get_state(icalparser *parser)</div><div class="ttdoc">Returns current state of the icalparser.</div><div class="ttdef"><b>Definition:</b> icalparser.c:1238</div></div>
<div class="ttc" id="aicalparser_8h_html_aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8"><div class="ttname"><a href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a></div><div class="ttdeci">@ ICALPARSER_ERROR</div><div class="ttdef"><b>Definition:</b> icalparser.h:49</div></div>
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<p>icalparser_free(parser); </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9848e4dc69f814f49a5ece028c43be57">◆ </a></span>icalparser_new()</h2>
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<td class="memname"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * icalparser_new </td>
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<p>Creates a new icalparser. </p>
<dl class="section return"><dt>Returns</dt><dd>An icalparser object</dd></dl>
<dl class="section user"><dt>Error handling</dt><dd>On error, it returns <code>NULL</code> and sets <a class="el" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37" title="Access the current icalerrno value.">icalerrno</a> to <a class="el" href="icalerror_8h.html#a601c122fcea522513b1b7732fa23e833a055394ffaf6701aa12491dc10767f07d">ICAL_NEWFAILED_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Ownership</dt><dd>All icalparser objects created with this function need to be freed using the <a class="el" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d" title="Frees an icalparser object.">icalparser_free()</a> function.</dd></dl>
<dl class="section user"><dt>Usage</dt><dd><div class="fragment"><div class="line"><span class="comment">// create new parser</span></div>
<div class="line"><a class="code hl_struct" href="structicalparser__impl.html">icalparser</a> *parser = <a class="code hl_function" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a>();</div>
<div class="line"> </div>
<div class="line"><span class="comment">// do something with it...</span></div>
<div class="line"> </div>
<div class="line"><span class="comment">// free parser</span></div>
<div class="line"><a class="code hl_function" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a>(parser);</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a00330df647417bb017a7daaaffafddec">◆ </a></span>icalparser_parse()</h2>
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<td class="memname"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * icalparser_parse </td>
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<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
<td class="paramname"><em>parser</em>, </td>
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<td></td>
<td class="paramtype">icalparser_line_gen_func </td>
<td class="paramname"><em>line_gen_func</em> </td>
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<p>Message oriented parsing. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The parser to use </td></tr>
<tr><td class="paramname">line_gen_func</td><td>A function that returns one content line per invocation </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The parsed icalcomponent </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="icalparser_8h.html#a5e1268344c61e44a0ec18085688f07fd" title="Parses a string and returns the parsed icalcomponent.">icalparser_parse_string()</a></dd></dl>
<p>Reads an icalcomponent using the supplied <em>line_gen_func</em>, returning the parsed component (or <code>NULL</code> on error).</p>
<dl class="section user"><dt>Error handling</dt><dd><ul>
<li>If <em>parser</em> is <code>NULL</code>, it returns <code>NULL</code> and sets <a class="el" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37" title="Access the current icalerrno value.">icalerrno</a> to <a class="el" href="icalerror_8h.html#a601c122fcea522513b1b7732fa23e833a2cc8bbcd8c07fc9a16e36f7aae5757b1">ICAL_BADARG_ERROR</a>.</li>
<li>If data read by <em>line_gen_func</em> is empty, if returns <code>NULL</code></li>
<li>If data read by <em>line_gen_func</em> is <code>NULL</code>, it returns <code>NULL</code> and sets the <em>parser's</em> <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7" title="Represents the current state of the parser.">icalparser_state</a> to <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a>.</li>
<li>For errors during parsing, the functions can set the <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7" title="Represents the current state of the parser.">icalparser_state</a> to <a class="el" href="icalparser_8h.html#aeec42cd09dd789c699d7b6741cbec3e7adc8fd0c6d697007e6b3fa12bd118a9c8">ICALPARSER_ERROR</a> and/or return components of the type ICAL_XLICINVALID_COMPONENT, or components with properties of the type ICAL_XLICERROR_PROPERTY.</li>
</ul>
</dd></dl>
<dl class="section user"><dt>Ownership</dt><dd>The returned icalcomponent is owned by the caller of the function, and needs to be <code>free()</code>d with the appropriate method when no longer needed.</dd></dl>
<dl class="section user"><dt>Example</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">char</span>* read_stream(<span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> size, <span class="keywordtype">void</span> *d)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">return</span> fgets(s, (<span class="keywordtype">int</span>)size, (FILE*)d);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">void</span> parse()</div>
<div class="line">{</div>
<div class="line"> <span class="keywordtype">char</span>* line;</div>
<div class="line"> FILE* stream;</div>
<div class="line"> <a class="code hl_struct" href="structicalcomponent__impl.html">icalcomponent</a> *component;</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_struct" href="structicalparser__impl.html">icalparser</a> *parser = <a class="code hl_function" href="icalparser_8h.html#a9848e4dc69f814f49a5ece028c43be57">icalparser_new</a>();</div>
<div class="line"> stream = fopen(argv[1],<span class="stringliteral">"r"</span>);</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="icalparser_8h.html#aae6d08b4084610e225621a25dddd7689">icalparser_set_gen_data</a>(parser, stream);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// use the parse method to parse the input data</span></div>
<div class="line"> component = <a class="code hl_function" href="icalparser_8h.html#a00330df647417bb017a7daaaffafddec">icalparser_parse</a>(parser, read_stream);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// once we parsed a component, print it</span></div>
<div class="line"> printf(<span class="stringliteral">"%s"</span>, icalcomponent_as_ical_string(c));</div>
<div class="line"> icalcomponent_free(c);</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="icalparser_8h.html#a1cb8b8678b781d3d2ede0fbce613b90d">icalparser_free</a>(parser);</div>
<div class="line">}</div>
<div class="ttc" id="aicalparser_8h_html_a00330df647417bb017a7daaaffafddec"><div class="ttname"><a href="icalparser_8h.html#a00330df647417bb017a7daaaffafddec">icalparser_parse</a></div><div class="ttdeci">icalcomponent * icalparser_parse(icalparser *parser, icalparser_line_gen_func line_gen_func)</div><div class="ttdoc">Message oriented parsing.</div><div class="ttdef"><b>Definition:</b> icalparser.c:622</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a5e1268344c61e44a0ec18085688f07fd">◆ </a></span>icalparser_parse_string()</h2>
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<td class="memname"><a class="el" href="structicalcomponent__impl.html">icalcomponent</a> * icalparser_parse_string </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>str</em></td><td>)</td>
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<p>Parses a string and returns the parsed icalcomponent. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>The iCal formatted data to be parsed </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An icalcomponent representing the iCalendar</dd></dl>
<dl class="section user"><dt>Error handling</dt><dd>On error, returns <code>NULL</code> and sets <a class="el" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37" title="Access the current icalerrno value.">icalerrno</a></dd></dl>
<dl class="section user"><dt>Ownership</dt><dd>The returned icalcomponent is owned by the caller of the function, and needs to be free'd with the appropriate functions after use.</dd></dl>
<dl class="section user"><dt>Example</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">char</span> *ical_string;</div>
<div class="line"> </div>
<div class="line"><span class="comment">// parse ical_string</span></div>
<div class="line"><a class="code hl_struct" href="structicalcomponent__impl.html">icalcomponent</a> *component = <a class="code hl_function" href="icalparser_8h.html#a5e1268344c61e44a0ec18085688f07fd">icalparser_parse_string</a>(ical_string);</div>
<div class="line"> </div>
<div class="line"><span class="keywordflow">if</span>(!<a class="code hl_define" href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37">icalerrno</a> || component == NULL) {</div>
<div class="line"> <span class="comment">// use component ...</span></div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="comment">// release component</span></div>
<div class="line">icalcomponent_free(component);</div>
<div class="ttc" id="aicalerror_8h_html_ad2562706150f5c5a4d9b0ca149d78e37"><div class="ttname"><a href="icalerror_8h.html#ad2562706150f5c5a4d9b0ca149d78e37">icalerrno</a></div><div class="ttdeci">#define icalerrno</div><div class="ttdoc">Access the current icalerrno value.</div><div class="ttdef"><b>Definition:</b> icalerror.h:135</div></div>
<div class="ttc" id="aicalparser_8h_html_a5e1268344c61e44a0ec18085688f07fd"><div class="ttname"><a href="icalparser_8h.html#a5e1268344c61e44a0ec18085688f07fd">icalparser_parse_string</a></div><div class="ttdeci">icalcomponent * icalparser_parse_string(const char *str)</div><div class="ttdoc">Parses a string and returns the parsed icalcomponent.</div><div class="ttdef"><b>Definition:</b> icalparser.c:1336</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aae6d08b4084610e225621a25dddd7689">◆ </a></span>icalparser_set_gen_data()</h2>
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<td class="memname">void icalparser_set_gen_data </td>
<td>(</td>
<td class="paramtype"><a class="el" href="icalparser_8h.html#a9332da05cc4922f68ae2b07f442c06fa">icalparser</a> * </td>
<td class="paramname"><em>parser</em>, </td>
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<td class="paramtype">void * </td>
<td class="paramname"><em>data</em> </td>
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<p>Sets the data that icalparser_parse will give to the line_gen_func as the parameter 'd'. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parser</td><td>The icalparser this applies to </td></tr>
<tr><td class="paramname">data</td><td>The pointer which will be passed to the line_gen_func as argument <code>d</code></td></tr>
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</dd>
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<p>If you use any of the icalparser_parser() or <a class="el" href="icalparser_8h.html#ada2de638b68de5146ae860631709f4a3" title="Given a line generator function, returns a single iCal content line.">icalparser_get_line()</a> functions, the <em>line_gen_func</em> that they expect has a third <code>void* d</code> argument. This function sets what will be passed to your <em>line_gen_function</em> as such argument. </p>
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