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//------------------------------------------------------------------------------
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// This file is part of Toolkit for Conceptual Modeling (TCM).
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// (c) copyright 1999, Vrije Universiteit Amsterdam and University of Twente.
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// Author: Frank Dehne (frank@cs.vu.nl).
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// Author: Henk van de Zandschulp (henkz@cs.utwente.nl).
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// TCM is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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// TCM is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with TCM; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//-----------------------------------------------------------------------------
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#include "ssdobjectlinkedge.h"
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#include "inputfile.h"
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#include "outputfile.h"
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#include "ssddiagram.h"
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#include "ssdviewer.h"
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SSDObjectLinkEdge::SSDObjectLinkEdge(SSDGraph *g, Subject *n1, Subject *n2):
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bool SSDObjectLinkEdge::SetRoleName1(const string *s) {
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return SetRoleName(&roleName1, s);
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bool SSDObjectLinkEdge::SetRoleName2(const string *s) {
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return SetRoleName(&roleName2, s);
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bool SSDObjectLinkEdge::SetRoleName(string *role, const string *nm) {
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if (*nm != "" && nm->letters() == 0)
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void SSDObjectLinkEdge::WriteMembers(OutputFile *ofile) {
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Edge::WriteMembers(ofile);
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(*ofile) << "\t{ RoleName1 " << '"' << roleName1 << '"' << " }\n";
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(*ofile) << "\t{ RoleName2 " << '"' << roleName2 << '"' << " }\n";
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bool SSDObjectLinkEdge::ReadMembers(InputFile *ifile, double format) {
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if (!Edge::ReadMembers(ifile, format))
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if (!ifile->ReadStringAttribute("RoleName1", &roleName1))
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if (!ifile->ReadStringAttribute("RoleName2", &roleName2))
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Subject::NameErrType SSDObjectLinkEdge::SetName(const string *s) {
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if (*s != "" && s->letters() == 0)
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return Subject::IMPOSSIBLE_NAME;
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else if (*s == "is_a")
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return Subject::WRONG_NAME;
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return Edge::SetName(s);