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WIP adapt / rewrite Digxel implementation

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This commit is contained in:
Fischlurch 2011-01-05 03:07:42 +01:00
parent e7f5ce9e33
commit 25d7af449e
2 changed files with 51 additions and 52 deletions
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2
src/lib/time/digxel.cpp
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@ -28,8 +28,6 @@ namespace lib {
namespace time {
Digxel::~Digxel () { }
// A hint for the compiler to emit VTables and magic stuff here
/** */

101
src/lib/time/digxel.hpp
View file

@ -77,58 +77,14 @@ namespace time {
// using std::string;
/**
* A number element for building structured numeric displays.
* The purpose is to represent parts of a numeric format, like
* e.g. the sexagesimal "digits" of a timecode display. Digxel
* - is customised by template parameters to a specific number format
* - requires that any number set must not overflow the format buffer
* - can receive new numbers by assignment
* - will then format these numbers and cache the formatted representation
* - can store and invoke a mutation functor
*
* @note comparisons are assumed to be not performance relevant
* @see lib::time::TCode
* @todo WIP-WIP-WIP
*/
class Digxel
// : public boost::totally_ordered<Digxel,
// boost::totally_ordered<Digxel, int,
// boost::totally_ordered<Digxel, double
// > > >
{
typedef const char* CBuf;
public:
virtual ~Digxel (); ///< this is an ABC
operator int() const { return getIntValue(); }
CBuf show() { return getFormatted(); }
// // Supporting totally_ordered
// bool operator< (Digxel const& o) const { return double(*this) < double(o); }
// bool operator== (Digxel const& o) const { return double(*this) == double(o); }
// bool operator== (int i) const { return int(*this) == i ; }
// bool operator< (int i) const { return int(*this) < i ; }
// bool operator> (int i) const { return int(*this) > i ; }
// bool operator== (double d) const { return double(*this) == d ; }
// bool operator< (double d) const { return double(*this) < d ; }
// bool operator> (double d) const { return double(*this) > d ; }
protected:
virtual int getIntValue() const =0;
virtual CBuf getFormatted() =0;
};
namespace digxel {
using std::string;
using lib::Literal;
using boost::lexical_cast;
typedef const char* CBuf;
template<typename NUM>
struct ValTrait;
@ -203,11 +159,11 @@ namespace time {
* @todo WIP-WIP-WIP
*/
template< typename NUM
, class FMT = digxel::Formatter<NUM>
, class FMT
>
class Holder
: public Digxel
{
protected:
FMT buffer_;
NUM value_;
@ -244,10 +200,55 @@ namespace time {
, value_()
{ }
using Digxel::operator=;
};
}
} //(End) digxel configuration namespace
/**
* A number element for building structured numeric displays.
* The purpose is to represent parts of a numeric format, like
* e.g. the sexagesimal "digits" of a timecode display. Digxel
* - is customised by template parameters to a specific number format
* - requires that any number set must not overflow the format buffer
* - can receive new numbers by assignment
* - will then format these numbers and cache the formatted representation
* - can store and invoke a mutation functor
*
* @note comparisons are assumed to be not performance relevant
* @see lib::time::TCode
* @todo WIP-WIP-WIP
*/
template< typename NUM
, class FMT = digxel::Formatter<NUM>
>
class Digxel
: public digxel::Holder<NUM,FMT>
, public boost::totally_ordered<Digxel<NUM,FMT>,
boost::totally_ordered<Digxel<NUM,FMT>, NUM
> >
{
typedef digxel::Holder<NUM,FMT> _Holder;
typedef const char* CBuf;
public:
operator int() const { return getIntValue(); }
CBuf show() { return getFormatted(); }
//---Supporting-totally_ordered---------
bool operator< (Digxel const& o) const { return value_ < NUM(o); }
bool operator== (Digxel const& o) const { return value_ == NUM(o); }
bool operator== (NUM n) const { return value_ == n ; }
bool operator< (NUM n) const { return value_ < n ; }
bool operator> (NUM n) const { return value_ > n ; }
protected:
virtual int getIntValue() const =0;
virtual CBuf getFormatted() =0;
};