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/* This file is part of Strigi Desktop Search
*
* Copyright (C) 2007 Jos van den Oever <jos@vandenoever.info>
* Copyright (C) 2007 Alexandr Goncearenco <neksa@neksa.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <strigi/fieldtypes.h>
#include <strigi/fieldpropertiesdb.h>
#include <iostream>
#include <stdio.h>
using namespace Strigi;
using namespace std;
RegisteredField::RegisteredField(const string& k, const string& t, int m,
const RegisteredField* p)
: m_key(k), m_type(t), m_maxoccurs(m), m_parent(p), m_writerdata(0),
m_properties(FieldPropertiesDb::db().properties(k)) {
}
RegisteredField::RegisteredField(const string& fieldname):
m_key(fieldname),
m_type(FieldPropertiesDb::db().properties(fieldname).typeUri()), // obsolete - is never used
m_maxoccurs(FieldPropertiesDb::db().properties(fieldname).maxCardinality()), // obsolete - is never used
m_parent(0), // obsolete - is never used
m_writerdata(0),
m_properties(FieldPropertiesDb::db().properties(fieldname)) {
}
const string FieldRegister::floatType = "float";
const string FieldRegister::integerType = "integer";
const string FieldRegister::binaryType = "binary";
const string FieldRegister::stringType = "string";
const string FieldRegister::datetimeType = "datetime";
const string FieldRegister::pathFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#url";
const string FieldRegister::parentLocationFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#isPartOf";
const string FieldRegister::encodingFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#characterSet";
const string FieldRegister::mimetypeFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#mimeType";
const string FieldRegister::filenameFieldName = "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#fileName";
const string FieldRegister::contentFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#plainTextContent";
const string FieldRegister::extensionFieldName = "http://freedesktop.org/standards/xesam/1.0/core#fileExtension";
const string FieldRegister::embeddepthFieldName = "http://strigi.sf.net/ontologies/0.9#depth";
const string FieldRegister::mtimeFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#lastModified";
const string FieldRegister::sizeFieldName = "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentSize";
const string FieldRegister::typeFieldName = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
const string FieldRegister::defaultNamespace = "http://strigi.sf.net/ontologies/0.9#";
FieldRegister::FieldRegister() {
pathField = registerField(pathFieldName);
parentLocationField = registerField(parentLocationFieldName);
encodingField = registerField(encodingFieldName);//, stringType, 1, 0);
mimetypeField = registerField(mimetypeFieldName);//, stringType, -1, 0);
filenameField = registerField(filenameFieldName);//, stringType, 1, 0);
extensionField = registerField(extensionFieldName);//, stringType, 1, 0);
embeddepthField = registerField(embeddepthFieldName);//, integerType, 1, 0);
mtimeField = registerField(mtimeFieldName);//, integerType, 1, 0);
sizeField = registerField(sizeFieldName);//, integerType, 1, 0);
typeField = registerField(typeFieldName);
parseErrorField = registerField("http://strigi.sf.net/ontologies/0.9#debugParseError");
}
FieldRegister::~FieldRegister() {
map<string, RegisteredField*>::const_iterator i;
for (i = m_fields.begin(); i != m_fields.end(); ++i) {
delete i->second;
}
}
const RegisteredField*
FieldRegister::registerField(const string& fieldname,
const string& type, int maxoccurs, const RegisteredField* parent) {
//TODO (neksa) uncomment the warning.
// fprintf(stderr, "WARNING: this FieldRegister::registerField call is obsolete. Use registerField(\"%s\") instead.\n",
// fieldname.c_str());
// passed parameters type, maxoccurs and parent are just ignored
// in exchange, properties loaded from fieldproperties database are used
return registerField(fieldname);
}
const RegisteredField*
FieldRegister::registerField(const string& fieldname) {
map<string, RegisteredField*>::iterator i = m_fields.find(fieldname);
if (i == m_fields.end()) {
// if an instance of the RegisteredField has never been created before:
// - check with the fieldpropertiesdb first
// - if not in the DB, then db().(addField)
// - create an instance of RegisteredField,
// remember it for the future calls, and return the pointer
const FieldProperties& props
= FieldPropertiesDb::db().properties(fieldname);
if (!props.valid()) {
// cerr << "WARNING: field '" << fieldname << "' is not defined in "
// "any rdfs ontology database." << endl;
// creates a field with defaults (stringType and no parents)
FieldPropertiesDb::db().addField(fieldname);
}
RegisteredField* f = new RegisteredField(fieldname);
m_fields[fieldname] = f;
return f;
} else {
// if an instance of the RegisteredField has already been associated
// with the fieldname then return pointer to it
return i->second;
}
}
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