mirror of
https://github.com/OpenSpace/OpenSpace.git
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124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <ghoul/misc/dictionary.h>
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#include <openspace/util/spicemanager.h> // ephemerisTimeFromDate
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#ifndef __TIMERANGE_H__
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#define __TIMERANGE_H__
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namespace {
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const std::string KEY_START = "Start";
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const std::string KEY_END = "End";
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}
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namespace openspace {
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struct TimeRange {
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/**
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* Default constructor initializes an empty time range.
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*/
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TimeRange() : start(DBL_MAX), end(-DBL_MAX) { };
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/**
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* Initializes a TimeRange with both start and end time. Initializing empty timeranges
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* is OK.
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*/
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TimeRange(double startTime, double endTime) : start(startTime) , end(endTime) { };
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/**
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* Throws exception if unable to parse the provided \class ghoul::Dictionary
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*/
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TimeRange(const ghoul::Dictionary& dict) {
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if (!initializeFromDictionary(dict, *this)) {
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throw std::runtime_error("Unable to read TimeRange from dictionary");
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}
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}
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/**
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* \returns true if timeRange could be initialized from the dictionary, false otherwise.
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*/
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static bool initializeFromDictionary(const ghoul::Dictionary& dict, TimeRange& timeRange) {
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std::string startTimeStr;
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std::string endTimeStr;
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bool success = true;
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success &= dict.getValue(KEY_START, startTimeStr);
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success &= dict.getValue(KEY_END, endTimeStr);
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if (success) {
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// Parse to date.
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// @TODO converting string to time stamp should not rely on Spice
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timeRange.start = SpiceManager::ref().ephemerisTimeFromDate(startTimeStr);
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timeRange.end = SpiceManager::ref().ephemerisTimeFromDate(endTimeStr);
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return true;
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}
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else {
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// Could not read TimeRange from Dict
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return false;
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}
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}
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void include(double val){
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if (start > val) start = val;
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if (end < val) end = val;
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};
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void include(const TimeRange& other) {
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if (other.start < start) start = other.start;
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if (other.end > end) end = other.end;
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}
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double duration() const {
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return end - start;
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}
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bool isDefined() const {
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return start <= end;
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}
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bool isEmpty() const {
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return !isDefined();
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}
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bool inRange(double min, double max){
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return (min >= start && max <= end);
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}
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bool includes(double val) const {
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return (start <= val && val <= end);
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}
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bool includes(const TimeRange& o) const {
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return start <= o.start && o.end <= end;
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}
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double start;
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double end;
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};
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} // namespace openspace
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#endif //__TIMERANGE_H__
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