1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "content/content_detector.h" 27 #include "PlatformString.h" 28 29 #define NAVIGATION_MAX_PHONE_LENGTH 14 30 31 struct FindState { 32 int mStartResult; 33 int mEndResult; 34 char* mPattern; 35 UChar mStore[NAVIGATION_MAX_PHONE_LENGTH + 1]; 36 UChar* mStorePtr; 37 UChar mBackOne; 38 UChar mBackTwo; 39 UChar mCurrent; 40 bool mOpenParen; 41 bool mInitialized; 42 bool mContinuationNode; 43 }; 44 45 enum FoundState { 46 FOUND_NONE, 47 FOUND_PARTIAL, 48 FOUND_COMPLETE 49 }; 50 51 // Searches for phone numbers (US only) or email addresses based off of the navcache code 52 class PhoneEmailDetector : public ContentDetector { 53 public: 54 PhoneEmailDetector(); ~PhoneEmailDetector()55 virtual ~PhoneEmailDetector() {} 56 57 private: 58 // Implementation of ContentDetector. 59 virtual bool FindContent(const string16::const_iterator& begin, 60 const string16::const_iterator& end, 61 size_t* start_pos, 62 size_t* end_pos); 63 64 virtual std::string GetContentText(const WebKit::WebRange& range); 65 virtual GURL GetIntentURL(const std::string& content_text); GetMaximumContentLength()66 virtual size_t GetMaximumContentLength() { 67 return NAVIGATION_MAX_PHONE_LENGTH * 4; 68 } 69 virtual bool IsEnabled(const WebKit::WebHitTestInfo& hit_test) OVERRIDE; 70 71 DISALLOW_COPY_AND_ASSIGN(PhoneEmailDetector); 72 73 FindState m_findState; 74 FoundState m_foundResult; 75 const char* m_prefix; 76 // TODO: This shouldn't be done like this. PhoneEmailDetector should be 77 // refactored into two pieces and follow the IsEnabled style. This will 78 // only work because we always call IsEnabled before FindContent 79 bool m_isPhoneDetectionEnabled; 80 bool m_isEmailDetectionEnabled; 81 }; 82