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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>Nimbus: src/css/src/NIStylesheetCache.m Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
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<a style="float: right;margin-right:20px;margin-top:20px" href='http://www.pledgie.com/campaigns/15519'><img alt='Click here to support Nimbus development and make a donation at www.pledgie.com !' src='http://www.pledgie.com/campaigns/15519.png?skin_name=chrome' border='0' /></a>
<table cellspacing="0" cellpadding="0">
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<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">Nimbus
 <span id="projectnumber">0.9.3 - <a href="http://github.com/jverkoey/nimbus">Nimbus is proudly hosted on Github</a></span>
</div>
<div id="projectbrief">An iOS framework whose growth is bounded by O(documentation).</div>
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<div id="doc-content">
<div class="header">
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<div class="title">src/css/src/NIStylesheetCache.m</div> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// Copyright 2011 Jeff Verkoeyen</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment">// you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment">// You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment">// See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment">// limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#import "NIStylesheetCache.h"</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#import "NIStylesheet.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#import "NimbusCore.h"</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00026"></a>00026 <span class="keyword">@implementation </span><a class="code" href="interface_n_i_stylesheet_cache.html" title="A simple in-memory cache for stylesheets.">NIStylesheetCache</a>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">@synthesize</span> <a class="code" href="interface_n_i_stylesheet_cache.html#ac7d90b19bcec3f7a4c101f27a2415b84" title="The path prefix that will be used to load stylesheets.">pathPrefix</a> = _pathPrefix;
<a name="l00029"></a>00029
<a name="l00030"></a>00030
<a name="l00032"></a>00032 - (void)dealloc {
<a name="l00033"></a>00033 <a class="code" href="group___preprocessor-_macros.html#ga5d2e99251aeb3ddb687e27f72336e5db" title="Release and assign nil to an object.">NI_RELEASE_SAFELY</a>(_pathToStylesheet);
<a name="l00034"></a>00034 <a class="code" href="group___preprocessor-_macros.html#ga5d2e99251aeb3ddb687e27f72336e5db" title="Release and assign nil to an object.">NI_RELEASE_SAFELY</a>(_pathPrefix);
<a name="l00035"></a>00035
<a name="l00036"></a>00036 [<span class="keyword">super</span> dealloc];
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00041"></a><a class="code" href="interface_n_i_stylesheet_cache.html#a820f38961359f8a55e86940fd821a79f">00041</a> - (id)initWithPathPrefix:(<a class="code" href="class_n_s_string.html" title="For manipulating NSStrings.">NSString</a> *)pathPrefix {
<a name="l00042"></a>00042 <span class="keywordflow">if</span> ((<span class="keyword">self</span> = [super init])) {
<a name="l00043"></a>00043 _pathToStylesheet = [[NSMutableDictionary alloc] init];
<a name="l00044"></a>00044 _pathPrefix = [pathPrefix copy];
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00051"></a>00051 - (id)init {
<a name="l00052"></a>00052 <span class="comment">// This method should not be called directly.</span>
<a name="l00053"></a>00053 NIDASSERT(NO);
<a name="l00054"></a>00054 <span class="keywordflow">return</span> [<span class="keyword">self</span> initWithPathPrefix:nil];
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057
<a name="l00059"></a><a class="code" href="interface_n_i_stylesheet_cache.html#a92904a096961838ea490bda515f560d5">00059</a> - (<a class="code" href="interface_n_i_stylesheet.html" title="Loads and caches information regarding a specific stylesheet.">NIStylesheet</a> *)stylesheetWithPath:(<a class="code" href="class_n_s_string.html" title="For manipulating NSStrings.">NSString</a> *)path loadFromDisk:(BOOL)loadFromDisk {
<a name="l00060"></a>00060 <a class="code" href="interface_n_i_stylesheet.html" title="Loads and caches information regarding a specific stylesheet.">NIStylesheet</a>* stylesheet = [_pathToStylesheet objectForKey:path];
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (nil == stylesheet) {
<a name="l00063"></a>00063 stylesheet = [[[<a class="code" href="interface_n_i_stylesheet.html" title="Loads and caches information regarding a specific stylesheet.">NIStylesheet</a> alloc] init] autorelease];
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (loadFromDisk) {
<a name="l00065"></a>00065 BOOL didSucceed = [stylesheet <a class="code" href="interface_n_i_stylesheet.html#ad35501aa073cb676534dc597133ad4ab">loadFromPath</a>:path
<a name="l00066"></a>00066 <a class="code" href="interface_n_i_stylesheet.html#ad35501aa073cb676534dc597133ad4ab">pathPrefix</a>:_pathPrefix];
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (didSucceed) {
<a name="l00069"></a>00069 [_pathToStylesheet setObject:stylesheet forKey:path];
<a name="l00070"></a>00070
<a name="l00071"></a>00071 } <span class="keywordflow">else</span> {
<a name="l00072"></a>00072 [_pathToStylesheet removeObjectForKey:path];
<a name="l00073"></a>00073 stylesheet = nil;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 } <span class="keywordflow">else</span> {
<a name="l00077"></a>00077 [_pathToStylesheet setObject:stylesheet forKey:path];
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordflow">return</span> stylesheet;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084
<a name="l00086"></a><a class="code" href="interface_n_i_stylesheet_cache.html#a15bfb9f6f16d8776e7755e793360f31e">00086</a> - (<a class="code" href="interface_n_i_stylesheet.html" title="Loads and caches information regarding a specific stylesheet.">NIStylesheet</a> *)stylesheetWithPath:(<a class="code" href="class_n_s_string.html" title="For manipulating NSStrings.">NSString</a> *)path {
<a name="l00087"></a>00087 <span class="keywordflow">return</span> [<span class="keyword">self</span> <a class="code" href="interface_n_i_stylesheet_cache.html#a92904a096961838ea490bda515f560d5" title="Fetches a stylesheet from the in-memory cache if it exists or loads the stylesheet from disk if loadF...">stylesheetWithPath</a>:path <a class="code" href="interface_n_i_stylesheet_cache.html#a92904a096961838ea490bda515f560d5" title="Fetches a stylesheet from the in-memory cache if it exists or loads the stylesheet from disk if loadF...">loadFromDisk</a>:YES];
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keyword">@end</span>
</pre></div><div id="disqus_thread"></div></div>
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<ul>
<li class="navelem"><b>NIStylesheetCache.m</b> </li>
</div><!-- .fixedwidth -->
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<span class="footer">Generated for Nimbus by
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