Page Speed Optimization Libraries  1.2.24.1
net/instaweb/rewriter/public/file_load_rule.h
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00001 /*
00002  * Copyright 2012 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_
00021 
00022 #include "net/instaweb/util/public/manually_ref_counted.h"
00023 #include "net/instaweb/util/public/basictypes.h"
00024 #include "net/instaweb/util/public/re2.h"
00025 #include "net/instaweb/util/public/string.h"
00026 
00027 namespace net_instaweb {
00028 
00031 class FileLoadRule : public ManuallyRefCounted {
00032  public:
00033   enum Classification {
00034     kAllowed,
00035     kDisallowed,
00036     kUnmatched,
00037   };
00038 
00039   virtual ~FileLoadRule();
00040   explicit FileLoadRule(bool allowed) : allowed_(allowed) {}
00041 
00043   Classification Classify(const GoogleString& filename) const;
00044 
00045  protected:
00047   virtual bool Match(const GoogleString& filename) const = 0;
00048   const bool allowed_;
00049 };
00050 
00051 class FileLoadRuleRegexp : public FileLoadRule {
00052  public:
00053   virtual ~FileLoadRuleRegexp();
00054 
00057   FileLoadRuleRegexp(const GoogleString& filename_regexp, bool allowed)
00058       : FileLoadRule(allowed),
00059         filename_regexp_(filename_regexp),
00060         filename_regexp_str_(filename_regexp)
00061   {}
00062 
00063   virtual bool Match(const GoogleString& filename) const;
00064 
00065  private:
00066   const RE2 filename_regexp_;
00068   const GoogleString filename_regexp_str_;
00069 
00070   DISALLOW_COPY_AND_ASSIGN(FileLoadRuleRegexp);
00071 };
00072 
00073 class FileLoadRuleLiteral : public FileLoadRule {
00074  public:
00075   virtual ~FileLoadRuleLiteral();
00076 
00079   FileLoadRuleLiteral(const GoogleString& filename_prefix, bool allowed)
00080       : FileLoadRule(allowed), filename_prefix_(filename_prefix)
00081   {}
00082 
00083   virtual bool Match(const GoogleString& filename) const;
00084 
00085  private:
00086   const GoogleString filename_prefix_;
00087 
00088   DISALLOW_COPY_AND_ASSIGN(FileLoadRuleLiteral);
00089 };
00090 
00091 }  
00092 
00093 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_
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