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function [level, version] = GetLevelVersion(SBMLStructure)
% [level, version] = GetLevelVersion(SBMLStructure)
%
% Takes
%
% 1. SBMLStructure, any SBML structure
%
% Returns
%
% 1. the SBML level corresponding to this structure
% 2. the SBML version corresponding to this structure
%
% *NOTE:* it is not always possible to uniquely determine the level/version from a
% structure. The most recent SBML level/version that matches will be reported.
%<!---------------------------------------------------------------------------
% This file is part of SBMLToolbox. Please visit http://sbml.org for more
% information about SBML, and the latest version of SBMLToolbox.
%
% Copyright (C) 2009-2012 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. EMBL European Bioinformatics Institute (EBML-EBI), Hinxton, UK
%
% Copyright (C) 2006-2008 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. University of Hertfordshire, Hatfield, UK
%
% Copyright (C) 2003-2005 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. Japan Science and Technology Agency, Japan
% 3. University of Hertfordshire, Hatfield, UK
%
% SBMLToolbox is free software; you can redistribute it and/or modify it
% under the terms of the GNU Lesser General Public License as published by
% the Free Software Foundation. A copy of the license agreement is provided
% in the file named "LICENSE.txt" included with this software distribution.
%----------------------------------------------------------------------- -->
% check that input is correct
if (~isValid(SBMLStructure))
error('%s\n%s', 'GetLevelVersion(SBMLStructure)', ...
'argument must be an SBML structure');
end;
% if level and version explicilty declared
if (isfield(SBMLStructure, 'level') && isfield(SBMLStructure, 'version'))
level = SBMLStructure.level;
version = SBMLStructure.version;
return;
end;
typecode = SBMLStructure.typecode;
if (strcmp(typecode, 'SBML_MODEL'))
level = SBMLStructure.SBML_level;
version = SBMLStructure.SBML_version;
return;
end;
switch (typecode)
case 'SBML_ALGEBRAIC_RULE'
fhandle = str2func('isSBML_AlgebraicRule');
case 'SBML_ASSIGNMENT_RULE'
fhandle = str2func('isSBML_AssignmentRule');
case 'SBML_COMPARTMENT'
fhandle = str2func('isSBML_Compartment');
case 'SBML_COMPARTMENT_TYPE'
fhandle = str2func('isSBML_CompartmentType');
case 'SBML_COMPARTMENT_VOLUME_RULE'
fhandle = str2func('isSBML_CompartmentVolumeRule');
case 'SBML_CONSTRAINT'
fhandle = str2func('isSBML_Constraint');
case 'SBML_DELAY'
fhandle = str2func('isSBML_Delay');
case 'SBML_EVENT'
fhandle = str2func('isSBML_Event');
case 'SBML_EVENT_ASSIGNMENT'
fhandle = str2func('isSBML_EventAssignment');
case 'SBML_FUNCTION_DEFINITION'
fhandle = str2func('isSBML_FunctionDefinition');
case 'SBML_INITIAL_ASSIGNMENT'
fhandle = str2func('isSBML_InitialAssignment');
case 'SBML_KINETIC_LAW'
fhandle = str2func('isSBML_KineticLaw');
case 'SBML_LOCAL_PARAMETER'
fhandle = str2func('isSBML_LocalParameter');
case 'SBML_MODIFIER_SPECIES_REFERENCE'
fhandle = str2func('isSBML_ModifierSpeciesReference');
case 'SBML_PARAMETER'
fhandle = str2func('isSBML_Parameter');
case 'SBML_PARAMETER_RULE'
fhandle = str2func('isSBML_ParameterRule');
case 'SBML_PRIORITY'
fhandle = str2func('isSBML_Priority');
case 'SBML_RATE_RULE'
fhandle = str2func('isSBML_RateRule');
case 'SBML_REACTION'
fhandle = str2func('isSBML_Reaction');
case 'SBML_SPECIES'
fhandle = str2func('isSBML_Species');
case 'SBML_SPECIES_CONCENTRATION_RULE'
fhandle = str2func('isSBML_SpeciesConcentrationRule');
case 'SBML_SPECIES_REFERENCE'
fhandle = str2func('isSBML_SpeciesReference');
case 'SBML_SPECIES_TYPE'
fhandle = str2func('isSBML_SpeciesType');
case 'SBML_STOICHIOMETRY_MATH'
fhandle = str2func('isSBML_StoichiometryMath');
case 'SBML_TRIGGER'
fhandle = str2func('isSBML_Trigger');
case 'SBML_UNIT'
fhandle = str2func('isSBML_Unit');
case 'SBML_UNIT_DEFINITION'
fhandle = str2func('isSBML_UnitDefinition');
otherwise
error('%s\n%s', 'GetLevelVersion(SBMLStructure)', ...
'argument must be an SBML structure');
end;
% assume highest level/version
level = 3;
version = 1;
if (~feval(fhandle, SBMLStructure, level, version))
level = 2;
version = 4;
end;
while (version > 0)
if (feval(fhandle, SBMLStructure, level, version))
break;
else
version = version - 1;
end;
end;
if (version == 0)
level = 1;
version = 2;
end;
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