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51 lines
1.7 KiB
51 lines
1.7 KiB
#if !defined RotationHandler_h
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#define RotationHandler_h
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#include "PageElementHandler.h"
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#include "Page.h"
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namespace merge_lib
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{
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//This class remove field from Page object's content.
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class RotationHandler: public PageElementHandler
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{
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public:
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RotationHandler(Object * page, const std::string & handlerName, Page & basePage):
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PageElementHandler(page),
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_basePage(basePage)
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{
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_setHandlerName(handlerName);
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}
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virtual ~RotationHandler()
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{
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}
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private:
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//methods
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virtual void _processObjectContent(unsigned int startOfPageElement)
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{
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unsigned int endOfElement = _findEndOfElementContent(startOfPageElement);
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std::string rotationField = _page->getObjectContent().substr(startOfPageElement, endOfElement - startOfPageElement);
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std::string numbers("1234567890");
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unsigned int startOfNumber = rotationField.find_first_of(numbers);
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if( startOfNumber > 0 )
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{
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if( rotationField[startOfNumber-1] == '-' )
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{
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startOfNumber--; // negative number
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}
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}
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unsigned int endOfNumber = rotationField.find_first_not_of(numbers, startOfNumber + 1);
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std::string rotationStr = rotationField.substr(startOfNumber, endOfNumber - startOfNumber + 1);
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int rotation = 0;
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std::stringstream strin(rotationStr);
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strin>>rotation;
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_basePage.setRotation(rotation);
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}
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virtual void _changeObjectContent(unsigned int startOfPageElement) {};
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//members
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Page & _basePage;
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};
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}
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#endif
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