82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2012, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfile_winix_core_timezones
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#define headerfile_winix_core_timezones
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#include <string>
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#include <vector>
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#include "timezone.h"
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#include "space/spaceparser.h"
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class TimeZones
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{
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public:
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TimeZones();
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// maximum allowed time zone's identifier
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void SetTimeZoneMaxId(size_t max_id);
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// reading time zone from a file
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bool ReadTimeZones(const wchar_t * path);
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bool ReadTimeZones(const std::wstring & path);
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// returning true if there is a time zone with the zone_id identifier
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bool HasZone(size_t zone_id);
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// returning a time zone by time zone's identifier
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// can return a null pointer if there is no such a zone
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TimeZone * GetZone(size_t zone_id);
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// returning the number of all time zones
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size_t Size() const;
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// returning a time zone by an internal index
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// usuful for iterating through all zones
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// this index is in a range of <0, Size()-1>
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// can return a null pointer if the index is out of range
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TimeZone * GetZoneByIndex(size_t zone_index);
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// return true if there are not any time zones
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bool Empty() const;
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// clears all time zones
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// this does not affect SetTimeZoneMaxId()
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// so the size of zone_indices is not changed but all indices are invalidated
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void Clear();
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private:
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// indices to 'tab'
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// with this we have O(1) time to find a time zone in 'tab'
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// everywhere we use zone_id we refer to this table
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// SetTimeZoneMaxId(size_t max_id) sets size of this table to max_id+1
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std::vector<size_t> zone_indices;
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// time zones
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// everywhere we use zone_index we refer to this table
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std::vector<TimeZone> zone_tab;
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PT::SpaceParser parser;
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PT::Space temp_space;
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TimeZone temp_zone;
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void ParseZones();
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};
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#endif
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