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/*
* Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.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 <algorithm>
#include <ZLStringUtil.h>
#include <ZLUnicodeUtil.h>
#include <ZLNetworkUtil.h>
#include <ZLNetworkManager.h>
#include "OPDSLink.h"
#include "OPDSLink_AdvancedSearch.h"
#include "OPDSCatalogItem.h"
#include "OPDSXMLParser.h"
#include "NetworkOPDSFeedReader.h"
#include "../NetworkOperationData.h"
#include "../authentication/NetworkAuthenticationManager.h"
#include "../authentication/litres/LitResAuthenticationManager.h"
#include "URLRewritingRule.h"
OPDSLink::AdvancedSearch::AdvancedSearch(
const std::string &type,
const std::string &titleParameter,
const std::string &authorParameter,
const std::string &tagParameter,
const std::string &annotationParameter
) : myType(type), myTitleParameter(titleParameter), myAuthorParameter(authorParameter), myTagParameter(tagParameter), myAnnotationParameter(annotationParameter) {
}
void OPDSLink::AdvancedSearch::addSubQuery(std::string &query, const std::string &name, const std::string &value) const {
if (value.empty()) {
return;
}
if (myType == "separateWords") {
std::size_t start = 0, end;
do {
end = value.find(' ', start);
std::string ss = value.substr(start, end - start);
ZLUnicodeUtil::utf8Trim(ss);
if (!ss.empty()) {
if (!query.empty()) {
query.append("+");
}
query.append(name + ':');
query.append(ZLNetworkUtil::htmlEncode(ss));
}
start = end + 1;
} while (end != std::string::npos);
} else if (myType == "quoted") {
std::string encodedValue = value;
ZLUnicodeUtil::utf8Trim(encodedValue);
if (encodedValue.empty()) {
return;
}
encodedValue = '"' + encodedValue + '"';
std::replace(encodedValue.begin(), encodedValue.end(), ' ', '+');
if (!query.empty()) {
query += '+';
}
query += name + ':' + ZLNetworkUtil::htmlEncode(encodedValue);
}
}
std::string OPDSLink::AdvancedSearch::query(
const std::string &titleOrSeries,
const std::string &author,
const std::string &tag,
const std::string &annotation
) const {
std::string query;
addSubQuery(query, myTitleParameter, titleOrSeries);
addSubQuery(query, myAuthorParameter, author);
addSubQuery(query, myTagParameter, tag);
addSubQuery(query, myAnnotationParameter, annotation);
return query;
}
//shared_ptr<NetworkLink> OPDSLink::read(const ZLFile &file) {
// Reader reader;
// reader.readDocument(file);
// return reader.link();
//}
shared_ptr<ZLNetworkRequest> OPDSLink::createNetworkRequest(const std::string &url, NetworkOperationData &result) const {
if (url.empty()) {
return 0;
}
std::string modifiedUrl(url);
rewriteUrl(modifiedUrl);
return ZLNetworkManager::Instance().createXMLParserRequest(modifiedUrl, new OPDSXMLParser(new NetworkOPDSFeedReader(*this, url, result)) );
}
OPDSLink::OPDSLink(
const std::string &siteName
) : NetworkLink(siteName) {
}
OPDSLink::~OPDSLink() {
}
shared_ptr<NetworkItem> OPDSLink::libraryItem() const {
NetworkItem::UrlInfoCollection urlMap;
urlMap[NetworkItem::URL_COVER] = getIcon();
urlMap[NetworkItem::URL_CATALOG] = url(URL_MAIN);
return new OPDSCatalogItem(*this, getTitle(), getSummary(), urlMap);
}
const std::string OPDSLink::searchURL(const std::string &query) const {
return ZLStringUtil::printf(url(URL_SEARCH), query);
}
shared_ptr<ZLNetworkRequest> OPDSLink::simpleSearchData(NetworkOperationData &result, const std::string &pattern) const {
return createNetworkRequest(
searchURL(ZLNetworkUtil::htmlEncode(pattern)),
result
);
}
shared_ptr<ZLNetworkRequest> OPDSLink::advancedSearchData(
NetworkOperationData &result,
const std::string &titleAndSeries,
const std::string &author,
const std::string &tag,
const std::string &annotation
) const {
if (myAdvancedSearch.isNull()) {
return 0;
}
std::string query = myAdvancedSearch->query(
titleAndSeries, author, tag, annotation
);
return query.empty() ? 0 : createNetworkRequest(searchURL(query), result);
}
shared_ptr<ZLNetworkRequest> OPDSLink::resume(NetworkOperationData &data) const {
const std::string url = data.ResumeURI;
return createNetworkRequest(url, data);
}
shared_ptr<NetworkAuthenticationManager> OPDSLink::authenticationManager() const {
return myAuthenticationManager;
}
void OPDSLink::setUrlRewritingRules(std::vector<shared_ptr<URLRewritingRule> > rules) {
myUrlRewritingRules = rules;
}
void OPDSLink::setAuthenticationManager(shared_ptr<NetworkAuthenticationManager> manager) {
myAuthenticationManager = manager;
}
void OPDSLink::setAdvancedSearch(shared_ptr<OPDSLink::AdvancedSearch> advancedSearch) {
myAdvancedSearch = advancedSearch;
}
void OPDSLink::setRelationAliases(std::map<RelationAlias, std::string> relationAliases) {
myRelationAliases = relationAliases;
}
void OPDSLink::rewriteUrl(std::string &url, bool isUrlExternal) const {
URLRewritingRule::RuleApply apply = isUrlExternal ? URLRewritingRule::EXTERNAL : URLRewritingRule::INTERNAL;
for (std::vector<shared_ptr<URLRewritingRule> >::const_iterator it = myUrlRewritingRules.begin(); it != myUrlRewritingRules.end(); ++it) {
const URLRewritingRule &rule = **it;
if (rule.whereToApply() == apply) {
url = rule.apply(url);
}
}
}
OPDSLink::RelationAlias::RelationAlias(const std::string &alias, const std::string &type) : Alias(alias), Type(type) {
}
bool OPDSLink::RelationAlias::operator < (const RelationAlias &alias) const {
int cmp = Alias.compare(alias.Alias);
if (cmp != 0) {
return cmp < 0;
}
return Type < alias.Type;
}
const std::string &OPDSLink::relation(const std::string &rel, const std::string &type) const {
RelationAlias alias(rel, type);
std::map<RelationAlias,std::string>::const_iterator it = myRelationAliases.find(alias);
if (it != myRelationAliases.end()) {
return it->second;
}
if (!type.empty()) {
alias.Type.erase();
it = myRelationAliases.find(alias);
if (it != myRelationAliases.end()) {
return it->second;
}
}
return rel;
}
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