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/*
* Copyright 2009 Jakub Wieczorek <faw217@gmail.com>
* Copyright 2009 Christian Franke <cfchris6@ts2server.com>
* Copyright 2009 Fredy Yanardi <fyanardi@gmail.com>
*
* 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 Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "opensearchengine.h"
#include <QtCore/QRegExp>
#include <QtCore/QStringList>
#include <QtScript/QScriptEngine>
#include <QtScript/QScriptValue>
OpenSearchEngine::OpenSearchEngine(QObject *)
: m_scriptEngine(0)
{
}
OpenSearchEngine::~OpenSearchEngine()
{
if (m_scriptEngine) {
delete m_scriptEngine;
}
}
QString OpenSearchEngine::parseTemplate(const QString &searchTerm, const QString &searchTemplate)
{
QString result = searchTemplate;
result.replace(QLatin1String("{count}"), QLatin1String("20"));
result.replace(QLatin1String("{startIndex}"), QLatin1String("0"));
result.replace(QLatin1String("{startPage}"), QLatin1String("0"));
// TODO - get setting from KDE
result.replace(QLatin1String("{language}"), QLatin1String("en-US"));
result.replace(QLatin1String("{inputEncoding}"), QLatin1String("UTF-8"));
result.replace(QLatin1String("{outputEncoding}"), QLatin1String("UTF-8"));
result.replace(QLatin1String("{searchTerms}"), searchTerm);
return result;
}
QString OpenSearchEngine::name() const
{
return m_name;
}
void OpenSearchEngine::setName(const QString &name)
{
m_name = name;
}
QString OpenSearchEngine::description() const
{
return m_description;
}
void OpenSearchEngine::setDescription(const QString &description)
{
m_description = description;
}
QString OpenSearchEngine::searchUrlTemplate() const
{
return m_searchUrlTemplate;
}
void OpenSearchEngine::setSearchUrlTemplate(const QString &searchUrlTemplate)
{
m_searchUrlTemplate = searchUrlTemplate;
}
KUrl OpenSearchEngine::searchUrl(const QString &searchTerm) const
{
if (m_searchUrlTemplate.isEmpty()) {
return KUrl();
}
KUrl retVal = KUrl::fromEncoded(parseTemplate(searchTerm, m_searchUrlTemplate).toUtf8());
QList<Parameter>::const_iterator end = m_searchParameters.constEnd();
QList<Parameter>::const_iterator i = m_searchParameters.constBegin();
for (; i != end; ++i) {
retVal.addQueryItem(i->first, parseTemplate(searchTerm, i->second));
}
return retVal;
}
bool OpenSearchEngine::providesSuggestions() const
{
return !m_suggestionsUrlTemplate.isEmpty();
}
QString OpenSearchEngine::suggestionsUrlTemplate() const
{
return m_suggestionsUrlTemplate;
}
void OpenSearchEngine::setSuggestionsUrlTemplate(const QString &suggestionsUrlTemplate)
{
m_suggestionsUrlTemplate = suggestionsUrlTemplate;
}
KUrl OpenSearchEngine::suggestionsUrl(const QString &searchTerm) const
{
if (m_suggestionsUrlTemplate.isEmpty()) {
return KUrl();
}
KUrl retVal = KUrl::fromEncoded(parseTemplate(searchTerm, m_suggestionsUrlTemplate).toUtf8());
QList<Parameter>::const_iterator end = m_suggestionsParameters.constEnd();
QList<Parameter>::const_iterator i = m_suggestionsParameters.constBegin();
for (; i != end; ++i) {
retVal.addQueryItem(i->first, parseTemplate(searchTerm, i->second));
}
return retVal;
}
QList<OpenSearchEngine::Parameter> OpenSearchEngine::searchParameters() const
{
return m_searchParameters;
}
void OpenSearchEngine::setSearchParameters(const QList<Parameter> &searchParameters)
{
m_searchParameters = searchParameters;
}
QList<OpenSearchEngine::Parameter> OpenSearchEngine::suggestionsParameters() const
{
return m_suggestionsParameters;
}
void OpenSearchEngine::setSuggestionsParameters(const QList<Parameter> &suggestionsParameters)
{
m_suggestionsParameters = suggestionsParameters;
}
QString OpenSearchEngine::imageUrl() const
{
return m_imageUrl;
}
void OpenSearchEngine::setImageUrl(const QString &imageUrl)
{
m_imageUrl = imageUrl;
}
QImage OpenSearchEngine::image() const
{
return m_image;
}
void OpenSearchEngine::setImage(const QImage &image)
{
m_image = image;
}
bool OpenSearchEngine::isValid() const
{
return (!m_name.isEmpty() && !m_searchUrlTemplate.isEmpty());
}
bool OpenSearchEngine::operator==(const OpenSearchEngine &other) const
{
return (m_name == other.m_name
&& m_description == other.m_description
&& m_imageUrl == other.m_imageUrl
&& m_searchUrlTemplate == other.m_searchUrlTemplate
&& m_suggestionsUrlTemplate == other.m_suggestionsUrlTemplate
&& m_searchParameters == other.m_searchParameters
&& m_suggestionsParameters == other.m_suggestionsParameters);
}
bool OpenSearchEngine::operator<(const OpenSearchEngine &other) const
{
return (m_name < other.m_name);
}
QStringList OpenSearchEngine::parseSuggestion(const QByteArray &resp)
{
QString response(resp);
response = response.trimmed();
if (response.isEmpty()) {
return QStringList();
}
if (!response.startsWith(QLatin1Char('[')) || !response.endsWith(QLatin1Char(']'))) {
return QStringList();
}
if (!m_scriptEngine) {
m_scriptEngine = new QScriptEngine();
}
// Evaluate the JSON response using QtScript.
if (!m_scriptEngine->canEvaluate(response)) {
return QStringList();
}
QScriptValue responseParts = m_scriptEngine->evaluate(response);
if (!responseParts.property(1).isArray()) {
return QStringList();
}
QStringList suggestionsList;
qScriptValueToSequence(responseParts.property(1), suggestionsList);
return suggestionsList;
}
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