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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Computational Engine *
* *
* Copyright (c) 1999-2008, Ben Burton *
* For further details contact Ben Burton (bab@debian.org). *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* You should have received a copy of the GNU General Public *
* License along with this program; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
* MA 02110-1301, USA. *
* *
**************************************************************************/
/* end stub */
#include <iterator>
#include "packet/nscript.h"
#include "file/nfile.h"
#include "utilities/xmlutils.h"
#define PROP_VARIABLE 1
namespace regina {
namespace {
const std::string emptyString;
}
const std::string& NScript::getVariableName(unsigned long index) const {
std::map<std::string, std::string>::const_iterator it = variables.begin();
advance(it, index);
return (*it).first;
}
const std::string& NScript::getVariableValue(unsigned long index) const {
std::map<std::string, std::string>::const_iterator it = variables.begin();
advance(it, index);
return (*it).second;
}
const std::string& NScript::getVariableValue(const std::string& name) const {
std::map<std::string, std::string>::const_iterator it =
variables.find(name);
if (it == variables.end())
return emptyString;
return (*it).second;
}
void NScript::writeTextLong(std::ostream& o) const {
if (variables.empty())
o << "No variables.\n";
else {
for (std::map<std::string, std::string>::const_iterator vit =
variables.begin(); vit != variables.end(); vit++)
o << "Variable: " << (*vit).first << " = " << (*vit).second << '\n';
}
o << '\n';
copy(lines.begin(), lines.end(),
std::ostream_iterator<std::string>(o, "\n"));
}
NPacket* NScript::internalClonePacket(NPacket*) const {
NScript* ans = new NScript();
ans->lines = lines;
ans->variables = variables;
return ans;
}
void NScript::writePacket(NFile& out) const {
out.writeULong(lines.size());
for (std::vector<std::string>::const_iterator it = lines.begin();
it != lines.end(); it++)
out.writeString(*it);
// Write the properties.
std::streampos bookmark(0);
// The variables will be written as properties to allow for changing
// of their representation in future file formats.
for (std::map<std::string, std::string>::const_iterator vit =
variables.begin(); vit != variables.end(); vit++) {
bookmark = out.writePropertyHeader(PROP_VARIABLE);
out.writeString((*vit).first);
out.writeString((*vit).second);
out.writePropertyFooter(bookmark);
}
// At the moment there are no properties to write!
out.writeAllPropertiesFooter();
}
NScript* NScript::readPacket(NFile& in, NPacket*) {
NScript* ans = new NScript();
unsigned long size = in.readULong();
for (unsigned long i=0; i<size; i++)
ans->lines.push_back(in.readString());
in.readProperties(ans);
return ans;
}
void NScript::writeXMLPacketData(std::ostream& out) const {
using regina::xml::xmlEncodeSpecialChars;
for (std::map<std::string, std::string>::const_iterator vit =
variables.begin(); vit != variables.end(); vit++)
out << " <var name=\"" << xmlEncodeSpecialChars((*vit).first)
<< "\" value=\"" << xmlEncodeSpecialChars((*vit).second)
<< "\"/>\n";
for (std::vector<std::string>::const_iterator it = lines.begin();
it != lines.end(); it++)
out << " <line>" << xmlEncodeSpecialChars(*it) << "</line>\n";
}
void NScript::readIndividualProperty(NFile& infile, unsigned propType) {
if (propType == PROP_VARIABLE)
variables.insert(std::make_pair(infile.readString(),
infile.readString()));
}
} // namespace regina
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