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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "content/content_detector.h"
#include "PlatformString.h"
#define NAVIGATION_MAX_PHONE_LENGTH 14
struct FindState {
int mStartResult;
int mEndResult;
char* mPattern;
UChar mStore[NAVIGATION_MAX_PHONE_LENGTH + 1];
UChar* mStorePtr;
UChar mBackOne;
UChar mBackTwo;
UChar mCurrent;
bool mOpenParen;
bool mInitialized;
bool mContinuationNode;
};
enum FoundState {
FOUND_NONE,
FOUND_PARTIAL,
FOUND_COMPLETE
};
// Searches for phone numbers (US only) or email addresses based off of the navcache code
class PhoneEmailDetector : public ContentDetector {
public:
PhoneEmailDetector();
virtual ~PhoneEmailDetector() {}
private:
// Implementation of ContentDetector.
virtual bool FindContent(const string16::const_iterator& begin,
const string16::const_iterator& end,
size_t* start_pos,
size_t* end_pos);
virtual std::string GetContentText(const WebKit::WebRange& range);
virtual GURL GetIntentURL(const std::string& content_text);
virtual size_t GetMaximumContentLength() {
return NAVIGATION_MAX_PHONE_LENGTH * 4;
}
virtual bool IsEnabled(const WebKit::WebHitTestInfo& hit_test) OVERRIDE;
DISALLOW_COPY_AND_ASSIGN(PhoneEmailDetector);
FindState m_findState;
FoundState m_foundResult;
const char* m_prefix;
// TODO: This shouldn't be done like this. PhoneEmailDetector should be
// refactored into two pieces and follow the IsEnabled style. This will
// only work because we always call IsEnabled before FindContent
bool m_isPhoneDetectionEnabled;
bool m_isEmailDetectionEnabled;
};
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