mirror of https://github.com/debauchee/barrier.git
131 lines
3.3 KiB
C++
131 lines
3.3 KiB
C++
#ifndef CCONFIG_H
|
|
#define CCONFIG_H
|
|
|
|
#include "BasicTypes.h"
|
|
#include "CString.h"
|
|
#include "XBase.h"
|
|
#include <iosfwd>
|
|
#include "stdmap.h"
|
|
|
|
class CConfig;
|
|
|
|
namespace std {
|
|
struct iterator_traits<CConfig> {
|
|
typedef CString value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef bidirectional_iterator_tag iterator_category;
|
|
typedef CString* pointer;
|
|
typedef CString& reference;
|
|
};
|
|
};
|
|
|
|
class CConfig {
|
|
public:
|
|
enum EDirection { kLeft, kRight, kTop, kBottom,
|
|
kFirstDirection = kLeft, kLastDirection = kBottom };
|
|
enum EDirectionMask { kLeftMask = 1, kRightMask = 2,
|
|
kTopMask = 4, kBottomMask = 8 };
|
|
private:
|
|
class CCell {
|
|
public:
|
|
CString m_neighbor[kLastDirection - kFirstDirection + 1];
|
|
};
|
|
typedef std::map<CString, CCell> CCellMap;
|
|
|
|
public:
|
|
typedef CCellMap::const_iterator internal_const_iterator;
|
|
class const_iterator : std::iterator_traits<CConfig> {
|
|
public:
|
|
explicit const_iterator() : m_i() { }
|
|
explicit const_iterator(const internal_const_iterator& i) : m_i(i) { }
|
|
|
|
const_iterator& operator=(const const_iterator& i) {
|
|
m_i = i.m_i;
|
|
return *this;
|
|
}
|
|
CString operator*() { return m_i->first; }
|
|
const CString* operator->() { return &(m_i->first); }
|
|
const_iterator& operator++() { ++m_i; return *this; }
|
|
const_iterator operator++(int) { return const_iterator(m_i++); }
|
|
const_iterator& operator--() { --m_i; return *this; }
|
|
const_iterator operator--(int) { return const_iterator(m_i--); }
|
|
bool operator==(const const_iterator& i) const {
|
|
return (m_i == i.m_i);
|
|
}
|
|
bool operator!=(const const_iterator& i) const {
|
|
return (m_i != i.m_i);
|
|
}
|
|
|
|
private:
|
|
internal_const_iterator m_i;
|
|
};
|
|
|
|
CConfig();
|
|
virtual ~CConfig();
|
|
|
|
// manipulators
|
|
|
|
// note that case is preserved in screen names but has no effect
|
|
// FIXME -- make that true
|
|
|
|
// add/remove screens
|
|
void addScreen(const CString& name);
|
|
void removeScreen(const CString& name);
|
|
void removeAllScreens();
|
|
|
|
// connect edges
|
|
void connect(const CString& srcName,
|
|
EDirection srcSide,
|
|
const CString& dstName);
|
|
void disconnect(const CString& srcName,
|
|
EDirection srcSide);
|
|
|
|
// accessors
|
|
|
|
// returns true iff the given name is a valid screen name.
|
|
bool isValidScreenName(const CString&) const;
|
|
|
|
// iterators over screen names
|
|
const_iterator begin() const;
|
|
const_iterator end() const;
|
|
|
|
// returns true iff name names a screen
|
|
bool isScreen(const CString& name) const;
|
|
|
|
// get the neighbor in the given direction. returns the empty string
|
|
// if there is no neighbor in that direction.
|
|
CString getNeighbor(const CString&, EDirection) const;
|
|
|
|
// read/write a configuration. operator>> will throw XConfigRead
|
|
// on error.
|
|
friend std::istream& operator>>(std::istream&, CConfig&);
|
|
friend std::ostream& operator<<(std::ostream&, const CConfig&);
|
|
|
|
// get the name of a direction (for debugging)
|
|
static const char* dirName(EDirection);
|
|
|
|
private:
|
|
static bool readLine(std::istream&, CString&);
|
|
void readSection(std::istream&);
|
|
void readSectionScreens(std::istream&);
|
|
void readSectionLinks(std::istream&);
|
|
|
|
private:
|
|
CCellMap m_map;
|
|
};
|
|
|
|
class XConfigRead : public XBase {
|
|
public:
|
|
XConfigRead(const CString&);
|
|
~XConfigRead();
|
|
|
|
protected:
|
|
// XBase overrides
|
|
virtual CString getWhat() const throw();
|
|
|
|
private:
|
|
CString m_error;
|
|
};
|
|
|
|
#endif
|