86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
#ifndef CSCREENMAP_H
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#define CSCREENMAP_H
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#include "BasicTypes.h"
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#include "CString.h"
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#include <map>
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class CScreenMap {
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public:
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enum EDirection { kLeft, kRight, kTop, kBottom,
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kFirstDirection = kLeft, kLastDirection = kBottom };
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enum EDirectionMask { kLeftMask = 1, kRightMask = 2,
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kTopMask = 4, kBottomMask = 8 };
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private:
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class CCell {
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public:
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CString m_neighbor[kLastDirection - kFirstDirection + 1];
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};
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typedef std::map<CString, CCell> CCellMap;
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public:
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typedef CCellMap::const_iterator internal_const_iterator;
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class const_iterator : public std::iterator<
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std::bidirectional_iterator_tag,
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CString, ptrdiff_t, CString*, CString&> {
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public:
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explicit const_iterator() : m_i() { }
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explicit const_iterator(const internal_const_iterator& i) : m_i(i) { }
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const_iterator& operator=(const const_iterator& i) {
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m_i = i.m_i;
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return *this;
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}
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CString operator*() { return m_i->first; }
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const CString* operator->() { return &(m_i->first); }
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const_iterator& operator++() { ++m_i; return *this; }
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const_iterator operator++(int) { return const_iterator(m_i++); }
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const_iterator& operator--() { --m_i; return *this; }
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const_iterator operator--(int) { return const_iterator(m_i--); }
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bool operator==(const const_iterator& i) const {
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return (m_i == i.m_i);
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}
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bool operator!=(const const_iterator& i) const {
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return (m_i != i.m_i);
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}
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private:
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CScreenMap::internal_const_iterator m_i;
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};
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CScreenMap();
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virtual ~CScreenMap();
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// manipulators
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// add/remove screens
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void addScreen(const CString& name);
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void removeScreen(const CString& name);
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void removeAllScreens();
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// connect edges
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void connect(const CString& srcName,
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EDirection srcSide,
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const CString& dstName);
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void disconnect(const CString& srcName,
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EDirection srcSide);
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// accessors
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// iterators over screen names
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const_iterator begin() const;
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const_iterator end() const;
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// get the neighbor in the given direction. returns the empty string
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// if there is no neighbor in that direction.
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CString getNeighbor(const CString&, EDirection) const;
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// get the name of a direction (for debugging)
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static const char* dirName(EDirection);
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private:
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CCellMap m_map;
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};
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#endif
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