397cfa61dd
Database tüddelei DBHanlder läuft gut für DIESE Datanbank struktur... App begonnen aber weit entfernt von gutem Stand
56 lines
2.3 KiB
Matlab
56 lines
2.3 KiB
Matlab
function filename = hashTableName(suite)
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% determines the file name of a hash table
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%
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% The MD5 file is assumed to be in the same directory as the test suite.
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% It has a file name "$SUITE.$ENV.$VER.md5"
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% where the following fields are filled:
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% $ENV: the environment (either "MATLAB" or "Octave")
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% $VER: the version (e.g. "3.8.0" for Octave, "8.3" for MATLAB 2014a)
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% $SUITE: the name (and path) of the test suite
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%
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% For the $VER-part, a fall-back mechanism is present that prefers the exact
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% version but will use the closest available file if such file does not
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% exist.
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[pathstr,name, ext] = fileparts(which(func2str(suite)));
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[env, version] = getEnvironment();
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ext = sprintf('.%s.%s.md5', env, version);
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relFilename = [name ext];
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filename = fullfile(pathstr, relFilename);
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if ~exist(filename,'file')
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% To avoid having to create a file for each release of the environment,
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% also other versions are tried. The file for different releases are checked
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% in the following order:
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% 1. the currently running version (handled above!)
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% 2. the newest older version (e.g. use R2014b's file in R2015a)
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% 3. the oldest newer version (e.g. use R2014a's file in R2013a)
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pattern = sprintf('%s.%s.*.md5', name, env);
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candidates = dir(fullfile(pathstr, pattern));
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% We just need the file names.
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filenames = arrayfun(@(c)c.name, candidates, 'UniformOutput', false);
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% Add the expected version to the results, and sort the names by
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% version (this is the same as alphabetically).
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filenames = sort([filenames; {relFilename}]);
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nFiles = numel(filenames);
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iCurrent = find(ismember(filenames, relFilename));
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% determine the fall-back candidates:
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iNewestOlder = iCurrent - 1;
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iOldestNewer = iCurrent + 1;
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inRange = @(idx)(idx <= nFiles && idx >= 1);
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if inRange(iNewestOlder)
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% use the newest older version
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relFilename = filenames{iNewestOlder};
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elseif inRange(iOldestNewer)
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% use the oldest newer version
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relFilename = filenames{iOldestNewer};
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else
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% use the exact version anyhow
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end
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filename = fullfile(pathstr, relFilename);
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end
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end
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