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comparators: generalize objects a bit

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This commit is contained in:
Andrzej Rybczak
2012-09-08 14:34:46 +02:00
parent 691e0322e7
commit 8fb88b7181
12 changed files with 54 additions and 34 deletions
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30
src/utility/comparators.h
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@@ -23,14 +23,14 @@
#include <string>
#include "mpdpp.h"
#include "settings.h"
#include "menu.h"
class LocaleStringComparison
{
std::locale m_locale;
bool m_ignore_the;
bool hasTheWord(const std::string &s) const;
public:
LocaleStringComparison(const std::locale &loc, bool ignore_the)
: m_locale(loc), m_ignore_the(ignore_the) { }
@@ -38,27 +38,41 @@ public:
int operator()(const std::string &a, const std::string &b) const;
};
class CaseInsensitiveSorting
class LocaleBasedSorting
{
LocaleStringComparison cmp;
LocaleStringComparison m_cmp;
public:
CaseInsensitiveSorting();
LocaleBasedSorting(const std::locale loc, bool ignore_the) : m_cmp(loc, ignore_the) { }
bool operator()(const std::string &a, const std::string &b) const {
return cmp(a, b) < 0;
return m_cmp(a, b) < 0;
}
bool operator()(const MPD::Song &a, const MPD::Song &b) const {
return cmp(a.getName(), b.getName()) < 0;
return m_cmp(a.getName(), b.getName()) < 0;
}
template <typename A, typename B>
bool operator()(const std::pair<A, B> &a, const std::pair<A, B> &b) const {
return cmp(a.first, b.first) < 0;
return m_cmp(a.first, b.first) < 0;
}
};
class LocaleBasedItemSorting
{
LocaleBasedSorting m_cmp;
SortMode m_sort_mode;
public:
LocaleBasedItemSorting(const std::locale loc, bool ignore_the, SortMode mode)
: m_cmp(loc, ignore_the), m_sort_mode(mode) { }
bool operator()(const MPD::Item &a, const MPD::Item &b) const;
bool operator()(const NC::Menu<MPD::Item>::Item &a, const NC::Menu<MPD::Item>::Item &b) const {
return (*this)(a.value(), b.value());
}
};
#endif // _UTILITY_COMPARATORS