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</style><link rel="home" href="index.html" title="Gnome XML Library Reference Manual"><link rel="up" href="libxml-lib.html" title="Libxml Library Reference"><link rel="previous" href="libxml-relaxng.html" title="relaxng"><link rel="next" href="libxml-xmlerror.html" title="xmlerror"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libxml-relaxng.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></img></a></td><td><a accesskey="u" href="libxml-lib.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></img></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></img></a></td><th width="100%" align="center">Gnome XML Library Reference Manual</th><td><a accesskey="n" href="libxml-xmlerror.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></img></a></td></tr></table><div class="refentry" lang="en"><a name="libxml-uri"></a><div class="titlepage"></div><div class="refnamediv"><h2>uri</h2><p>uri &#8212; </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
struct <a href="libxml-uri.html#xmlURI">xmlURI</a>;
typedef <a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a>;
<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> <a href="libxml-uri.html#xmlCreateURI">xmlCreateURI</a> (void);
<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-uri.html#xmlBuildURI">xmlBuildURI</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *URI,
const <a href="libxml-tree.html#xmlChar">xmlChar</a> *base);
<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> <a href="libxml-uri.html#xmlParseURI">xmlParseURI</a> (const char *str);
int <a href="libxml-uri.html#xmlParseURIReference">xmlParseURIReference</a> (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri,
const char *str);
<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-uri.html#xmlSaveUri">xmlSaveUri</a> (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);
void <a href="libxml-uri.html#xmlPrintURI">xmlPrintURI</a> (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *stream,
<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);
<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-uri.html#xmlURIEscapeStr">xmlURIEscapeStr</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str,
const <a href="libxml-tree.html#xmlChar">xmlChar</a> *list);
char* <a href="libxml-uri.html#xmlURIUnescapeString">xmlURIUnescapeString</a> (const char *str,
int len,
char *target);
int <a href="libxml-uri.html#xmlNormalizeURIPath">xmlNormalizeURIPath</a> (char *path);
<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-uri.html#xmlURIEscape">xmlURIEscape</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str);
void <a href="libxml-uri.html#xmlFreeURI">xmlFreeURI</a> (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);
<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-uri.html#xmlCanonicPath">xmlCanonicPath</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *path);
</pre></div><div class="refsect1" lang="en"><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><h2>Details</h2><div class="refsect2" lang="en"><h3><a name="xmlURI"></a>struct xmlURI</h3><pre class="programlisting">struct xmlURI {
char *scheme; /* the URI scheme */
char *opaque; /* opaque part */
char *authority; /* the authority part */
char *server; /* the server part */
char *user; /* the user part */
int port; /* the port number */
char *path; /* the path string */
char *query; /* the query string */
char *fragment; /* the fragment identifier */
int cleanup; /* parsing potentially unclean URI */
};
</pre><p>
A parsed URI reference. This is a struct containing the various fields
as described in RFC 2396 but separated for further processing.</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlURIPtr"></a>xmlURIPtr</h3><pre class="programlisting">typedef xmlURI *xmlURIPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlCreateURI"></a>xmlCreateURI ()</h3><pre class="programlisting"><a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> xmlCreateURI (void);</pre><p>
Simply creates an empty xmlURI</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the new structure or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlBuildURI"></a>xmlBuildURI ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlBuildURI (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *URI,
const <a href="libxml-tree.html#xmlChar">xmlChar</a> *base);</pre><p>
Computes he final URI of the reference done by checking that
the given URI is valid, and building the final URI using the
base URI. This is processed according to section 5.2 of the
RFC 2396
</p><p>
5.2. Resolving Relative References to Absolute Form</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>URI</tt></i> :</span></td><td> the URI instance found in the document
</td></tr><tr><td><span class="term"><i><tt>base</tt></i> :</span></td><td> the base value
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a new URI string (to be freed by the caller) or NULL in case
of error.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlParseURI"></a>xmlParseURI ()</h3><pre class="programlisting"><a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> xmlParseURI (const char *str);</pre><p>
Parse an URI
</p><p>
URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> the URI string to analyze
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a newly build xmlURIPtr or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlParseURIReference"></a>xmlParseURIReference ()</h3><pre class="programlisting">int xmlParseURIReference (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri,
const char *str);</pre><p>
Parse an URI reference string and fills in the appropriate fields
of the <i><tt>uri</tt></i> structure
</p><p>
URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>uri</tt></i> :</span></td><td> pointer to an URI structure
</td></tr><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> the string to analyze
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 or the error code
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSaveUri"></a>xmlSaveUri ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlSaveUri (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);</pre><p>
Save the URI as an escaped string</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>uri</tt></i> :</span></td><td> pointer to an xmlURI
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a new string (to be deallocated by caller)
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlPrintURI"></a>xmlPrintURI ()</h3><pre class="programlisting">void xmlPrintURI (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *stream,
<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);</pre><p>
Prints the URI in the stream <i><tt>steam</tt></i>.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>stream</tt></i> :</span></td><td> a FILE* for the output
</td></tr><tr><td><span class="term"><i><tt>uri</tt></i> :</span></td><td> pointer to an xmlURI
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlURIEscapeStr"></a>xmlURIEscapeStr ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlURIEscapeStr (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str,
const <a href="libxml-tree.html#xmlChar">xmlChar</a> *list);</pre><p>
This routine escapes a string to hex, ignoring reserved characters (a-z)
and the characters in the exception list.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> string to escape
</td></tr><tr><td><span class="term"><i><tt>list</tt></i> :</span></td><td> exception list string of chars not to escape
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a new escaped string or NULL in case of error.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlURIUnescapeString"></a>xmlURIUnescapeString ()</h3><pre class="programlisting">char* xmlURIUnescapeString (const char *str,
int len,
char *target);</pre><p>
Unescaping routine, does not do validity checks !
Output is direct unsigned char translation of <tt>XX</tt> values (no encoding)</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> the string to unescape
</td></tr><tr><td><span class="term"><i><tt>len</tt></i> :</span></td><td> the length in bytes to unescape (or &lt;= 0 to indicate full string)
</td></tr><tr><td><span class="term"><i><tt>target</tt></i> :</span></td><td> optional destination buffer
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>an copy of the string, but unescaped
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlNormalizeURIPath"></a>xmlNormalizeURIPath ()</h3><pre class="programlisting">int xmlNormalizeURIPath (char *path);</pre><p>
Applies the 5 normalization steps to a path string--that is, RFC 2396
Section 5.2, steps 6.c through 6.g.
</p><p>
Normalization occurs directly on the string, no new allocation is done</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>path</tt></i> :</span></td><td> pointer to the path string
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 or an error code
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlURIEscape"></a>xmlURIEscape ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlURIEscape (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str);</pre><p>
Escaping routine, does not do validity checks !
It will try to escape the chars needing this, but this is heuristic
based it's impossible to be sure.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> the string of the URI to escape
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>an copy of the string, but escaped
25 May 2001
Uses xmlParseURI and xmlURIEscapeStr to try to escape correctly
according to RFC2396.
- Carl Douglas
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlFreeURI"></a>xmlFreeURI ()</h3><pre class="programlisting">void xmlFreeURI (<a href="libxml-uri.html#xmlURIPtr">xmlURIPtr</a> uri);</pre><p>
Free up the xmlURI struct</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>uri</tt></i> :</span></td><td> pointer to an xmlURI
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlCanonicPath"></a>xmlCanonicPath ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlCanonicPath (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *path);</pre><p>
Constructs a canonic path from the specified path.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>path</tt></i> :</span></td><td> the resource locator in a filesystem notation
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a new canonic path, or a duplicate of the path parameter if the
construction fails. The caller is responsible for freeing the memory occupied
by the returned string. If there is insufficient memory available, or the
argument is NULL, the function returns NULL.
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