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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/search_engines/search_host_to_urls_map.h"
#include "base/memory/scoped_ptr.h"
#include "components/search_engines/template_url.h"
SearchHostToURLsMap::SearchHostToURLsMap()
: initialized_(false) {
}
SearchHostToURLsMap::~SearchHostToURLsMap() {
}
void SearchHostToURLsMap::Init(
const TemplateURLService::TemplateURLVector& template_urls,
const SearchTermsData& search_terms_data) {
DCHECK(!initialized_);
initialized_ = true; // Set here so Add doesn't assert.
Add(template_urls, search_terms_data);
}
void SearchHostToURLsMap::Add(TemplateURL* template_url,
const SearchTermsData& search_terms_data) {
DCHECK(initialized_);
DCHECK(template_url);
DCHECK_NE(TemplateURL::OMNIBOX_API_EXTENSION, template_url->GetType());
const GURL url(template_url->GenerateSearchURL(search_terms_data));
if (!url.is_valid() || !url.has_host())
return;
host_to_urls_map_[url.host()].insert(template_url);
}
void SearchHostToURLsMap::Remove(TemplateURL* template_url) {
DCHECK(initialized_);
DCHECK(template_url);
DCHECK_NE(TemplateURL::OMNIBOX_API_EXTENSION, template_url->GetType());
for (HostToURLsMap::iterator i = host_to_urls_map_.begin();
i != host_to_urls_map_.end(); ++i) {
TemplateURLSet::iterator url_set_iterator = i->second.find(template_url);
if (url_set_iterator != i->second.end()) {
i->second.erase(url_set_iterator);
if (i->second.empty())
host_to_urls_map_.erase(i);
// A given TemplateURL only occurs once in the map. As soon as we find the
// entry, stop.
return;
}
}
}
TemplateURL* SearchHostToURLsMap::GetTemplateURLForHost(
const std::string& host) {
DCHECK(initialized_);
HostToURLsMap::const_iterator iter = host_to_urls_map_.find(host);
if (iter == host_to_urls_map_.end() || iter->second.empty())
return NULL;
return *(iter->second.begin()); // Return the 1st element.
}
SearchHostToURLsMap::TemplateURLSet* SearchHostToURLsMap::GetURLsForHost(
const std::string& host) {
DCHECK(initialized_);
HostToURLsMap::iterator urls_for_host = host_to_urls_map_.find(host);
if (urls_for_host == host_to_urls_map_.end() || urls_for_host->second.empty())
return NULL;
return &urls_for_host->second;
}
void SearchHostToURLsMap::Add(
const TemplateURLService::TemplateURLVector& template_urls,
const SearchTermsData& search_terms_data) {
for (TemplateURLService::TemplateURLVector::const_iterator i(
template_urls.begin()); i != template_urls.end(); ++i)
Add(*i, search_terms_data);
}
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