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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>URI Functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GLib Reference Manual"><link rel="up" href="glib-utilities.html" title="GLib Utilities"><link rel="prev" href="glib-File-Utilities.html" title="File Utilities"><link rel="next" href="glib-Shell-related-Utilities.html" title="Shell-related Utilities"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="chapter" href="glib.html" title="GLib Overview"><link rel="chapter" href="glib-fundamentals.html" title="GLib Fundamentals"><link rel="chapter" href="glib-core.html" title="GLib Core Application Support"><link rel="chapter" href="glib-utilities.html" title="GLib Utilities"><link rel="chapter" href="glib-data-types.html" title="GLib Data Types"><link rel="chapter" href="tools.html" title="GLib Tools"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" title="Index of new symbols in 2.6"><link rel="index" href="ix06.html" title="Index of new symbols in 2.8"><link rel="index" href="ix07.html" title="Index of new symbols in 2.10"><link rel="index" href="ix08.html" title="Index of new symbols in 2.12"><link rel="index" href="ix09.html" title="Index of new symbols in 2.14"><link rel="index" href="ix10.html" title="Index of new symbols in 2.16"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="glib-File-Utilities.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="glib-utilities.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GLib Reference Manual</th><td><a accesskey="n" href="glib-Shell-related-Utilities.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3121863" class="shortcut">Top</a>  |  <a href="#id3122058" class="shortcut">Description</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="glib-URI-Functions"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3121863"></a><span class="refentrytitle">URI Functions</span></h2><p>URI Functions — URI Functions</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <glib.h>#define <a class="link" href="glib-URI-Functions.html#G-URI-RESERVED-CHARS-ALLOWED-IN-PATH:CAPS">G_URI_RESERVED_CHARS_ALLOWED_IN_PATH</a>#define <a class="link" href="glib-URI-Functions.html#G-URI-RESERVED-CHARS-ALLOWED-IN-PATH-ELEMENT:CAPS">G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT</a>#define <a class="link" href="glib-URI-Functions.html#G-URI-RESERVED-CHARS-ALLOWED-IN-USERINFO:CAPS">G_URI_RESERVED_CHARS_ALLOWED_IN_USERINFO</a>#define <a class="link" href="glib-URI-Functions.html#G-URI-RESERVED-CHARS-GENERIC-DELIMITERS:CAPS">G_URI_RESERVED_CHARS_GENERIC_DELIMITERS</a>#define <a class="link" href="glib-URI-Functions.html#G-URI-RESERVED-CHARS-SUBCOMPONENT-DELIMITERS:CAPS">G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS</a>char* <a class="link" href="glib-URI-Functions.html#g-uri-parse-scheme">g_uri_parse_scheme</a> (const char *uri);char* <a class="link" href="glib-URI-Functions.html#g-uri-escape-string">g_uri_escape_string</a> (const char *unescaped, const char *reserved_chars_allowed, <a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> allow_utf8);char* <a class="link" href="glib-URI-Functions.html#g-uri-unescape-string">g_uri_unescape_string</a> (const char *escaped_string, const char *illegal_characters);char* <a class="link" href="glib-URI-Functions.html#g-uri-unescape-segment">g_uri_unescape_segment</a> (const char *escaped_string, const char *escaped_string_end, const char *illegal_characters);</pre></div><div class="refsect1" lang="en"><a name="id3122058"></a><h2>Description</h2><p>Functions for manipulating Universal Resource Identifiers (URIs) as defined by RFC 3986. It is highly recommended that you have read andunderstand RFC 3986 for understanding this API. A copy of RFC 3986 can be found at <a class="ulink" href="http://www.ietf.org/rfc/rfc3986.txt" target="_top">http://www.ietf.org/rfc/rfc3986.txt</a>.</p><p></p></div><div class="refsect1" lang="en"><a name="id3122085"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3122095"></a><h3><a name="G-URI-RESERVED-CHARS-ALLOWED-IN-PATH:CAPS"></a>G_URI_RESERVED_CHARS_ALLOWED_IN_PATH</h3><a class="indexterm" name="id3122109"></a><pre class="programlisting">#define G_URI_RESERVED_CHARS_ALLOWED_IN_PATH G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/"</pre><p>Allowed characters in a path. Includes "!$&'()*+,;=:@/".</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3122131"></a><h3><a name="G-URI-RESERVED-CHARS-ALLOWED-IN-PATH-ELEMENT:CAPS"></a>G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT</h3><a class="indexterm" name="id3122145"></a><pre class="programlisting">#define G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS ":@"</pre><p>Allowed characters in path elements. Includes "!$&'()*+,;=:@".</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3122167"></a><h3><a name="G-URI-RESERVED-CHARS-ALLOWED-IN-USERINFO:CAPS"></a>G_URI_RESERVED_CHARS_ALLOWED_IN_USERINFO</h3><a class="indexterm" name="id3122182"></a><pre class="programlisting">#define G_URI_RESERVED_CHARS_ALLOWED_IN_USERINFO G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS ":"</pre><p>Allowed characters in userinfo as defined in RFC 3986. Includes "!$&'()*+,;=:".</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3122204"></a><h3><a name="G-URI-RESERVED-CHARS-GENERIC-DELIMITERS:CAPS"></a>G_URI_RESERVED_CHARS_GENERIC_DELIMITERS</h3><a class="indexterm" name="id3122218"></a><pre class="programlisting">#define G_URI_RESERVED_CHARS_GENERIC_DELIMITERS ":/?#[]@"</pre><p>Generic delimiters characters as defined in RFC 3986. Includes ":/?#[]@".</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3122239"></a><h3><a name="G-URI-RESERVED-CHARS-SUBCOMPONENT-DELIMITERS:CAPS"></a>G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS</h3><a class="indexterm" name="id3122253"></a><pre class="programlisting">#define G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS "!$&'()*+,;="</pre><p>Subcomponent delimiter characters as defined in RFC 3986. Includes "!$&'()*+,;=".</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3122276"></a><h3><a name="g-uri-parse-scheme"></a>g_uri_parse_scheme ()</h3><a class="indexterm" name="id3122291"></a><pre class="programlisting">char* g_uri_parse_scheme (const char *uri);</pre><p>Gets the scheme portion of a URI string. RFC 3986 decodes the scheme as:</p><pre class="programlisting">URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ] </pre><p>Common schemes include "file", "http", "svn+ssh", etc.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td><td> a valid URI.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> The "Scheme" component of the URI, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error. The returned string should be freed when no longer needed.</td></tr></tbody></table></div><p class="since">Since 2.16</p></div><hr><div class="refsect2" lang="en"><a name="id3122379"></a><h3><a name="g-uri-escape-string"></a>g_uri_escape_string ()</h3><a class="indexterm" name="id3122395"></a><pre class="programlisting">char* g_uri_escape_string (const char *unescaped, const char *reserved_chars_allowed, <a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a> allow_utf8);</pre><p>Escapes a string for use in a URI.</p><p>Normally all characters that are not "unreserved" (i.e. ASCII alphanumericalcharacters plus dash, dot, underscore and tilde) are escaped.But if you specify characters in <em class="parameter"><code>reserved_chars_allowed</code></em> they are notescaped. This is useful for the "reserved" characters in the URIspecification, since those are allowed unescaped in some portions ofa URI.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>unescaped</code></em> :</span></p></td><td> the unescaped input string.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>reserved_chars_allowed</code></em> :</span></p></td><td> a string of reserved characters that are allowed to be used.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>allow_utf8</code></em> :</span></p></td><td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the result can include UTF-8 characters.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> an escaped version of <em class="parameter"><code>unescaped</code></em>. The returned string should be freed when no longer needed.</td></tr></tbody></table></div><p class="since">Since 2.16</p></div><hr><div class="refsect2" lang="en"><a name="id3122540"></a><h3><a name="g-uri-unescape-string"></a>g_uri_unescape_string ()</h3><a class="indexterm" name="id3122556"></a><pre class="programlisting">char* g_uri_unescape_string (const char *escaped_string, const char *illegal_characters);</pre><p>Unescapes a whole escaped string.</p><p>If any of the characters in <em class="parameter"><code>illegal_characters</code></em> or the character zero appearsas an escaped character in <em class="parameter"><code>escaped_string</code></em> then that is an error and <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>will be returned. This is useful it you want to avoid for instance having aslash being expanded in an escaped path element, which might confuse pathnamehandling.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>escaped_string</code></em> :</span></p></td><td> an escaped string to be unescaped.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>illegal_characters</code></em> :</span></p></td><td> an optional string of illegal characters not to be allowed.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> an unescaped version of <em class="parameter"><code>escaped_string</code></em>. The returned string should be freed when no longer needed.</td></tr></tbody></table></div><p class="since">Since 2.16</p></div><hr><div class="refsect2" lang="en"><a name="id3122685"></a><h3><a name="g-uri-unescape-segment"></a>g_uri_unescape_segment ()</h3><a class="indexterm" name="id3122700"></a><pre class="programlisting">char* g_uri_unescape_segment (const char *escaped_string, const char *escaped_string_end, const char *illegal_characters);</pre><p>Unescapes a segment of an escaped string.</p><p>If any of the characters in <em class="parameter"><code>illegal_characters</code></em> or the character zero appearsas an escaped character in <em class="parameter"><code>escaped_string</code></em> then that is an error and <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>will be returned. This is useful it you want to avoid for instance having aslash being expanded in an escaped path element, which might confuse pathnamehandling.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>escaped_string</code></em> :</span></p></td><td> a string.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>escaped_string_end</code></em> :</span></p></td><td> a string.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>illegal_characters</code></em> :</span></p></td><td> an optional string of illegal characters not to be allowed.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> an unescaped version of <em class="parameter"><code>escaped_string</code></em> or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error.The returned string should be freed when no longer needed.</td></tr></tbody></table></div><p class="since">Since 2.16</p></div></div><div class="refsect1" lang="en"><a name="id3122862"></a><div class="refsect2" lang="en"><a name="id3122863"></a></div><hr><div class="refsect2" lang="en"><a name="id3122864"></a></div></div></div></body></html>⌨️ 快捷键说明
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