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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "Document.hpp"
#include <core/common/Exceptions.hpp>
namespace ousia {
namespace model {
int DocumentEntity::getFieldDescriptorIndex(const std::string &fieldName)
{
const ManagedVector<FieldDescriptor> &fds =
descriptor->getFieldDescriptors();
unsigned int f = 0;
// look if we have an empty name.
if (fieldName == "") {
// in that case we look for a default field.
// First: Do we only have one field?
if (fds.size() == 1) {
// if so we return that one.
return f;
}
// Second: Do we have a TREE field?
for (auto &fd : fds) {
if (fd->getFieldType() == FieldDescriptor::FieldType::TREE) {
return f;
}
f++;
}
} else {
// otherwise we return the FieldDescriptor with the correct name (if
// such a descriptor exists).
for (auto &fd : fds) {
if (fd->getName() == fieldName) {
return f;
}
f++;
}
}
return -1;
}
void DocumentEntity::getField(ManagedVector<StructuredEntity> &res,
const std::string &fieldName)
{
int f = getFieldDescriptorIndex(fieldName);
if (f < 0) {
ManagedVector<StructuredEntity> empty{this};
res = ManagedVector<StructuredEntity>(this);
}
res = fields[f];
}
ManagedVector<StructuredEntity> &DocumentEntity::getField(
Rooted<FieldDescriptor> fieldDescriptor)
{
const ManagedVector<FieldDescriptor> &fds =
descriptor->getFieldDescriptors();
int f = 0;
for (auto &fd : fds) {
if (fd->getName() == fieldDescriptor->getName() &&
fd->getFieldType() == fieldDescriptor->getFieldType()) {
return fields[f];
}
f++;
}
throw OusiaException(
"The given FieldDescriptor is not specified in the Descriptor of this "
"node.");
}
}
}
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