Otto van der Schaaf
2e202e5c8d
* Update/add license banners * Strip "Author: " comments * Initialize NOTICE
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "ngx_caching_headers.h"
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#include "ngx_list_iterator.h"
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#include "ngx_pagespeed.h"
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namespace net_instaweb {
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bool NgxCachingHeaders::Lookup(const StringPiece& key,
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StringPieceVector* values) {
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ngx_table_elt_t* header;
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NgxListIterator it(&(request_->headers_out.headers.part));
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while ((header = it.Next()) != NULL) {
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if (header->hash != 0 && key == str_to_string_piece(header->key)) {
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// This will be called multiple times if there are multiple headers with
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// this name. Each time it will append to values.
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SplitStringPieceToVector(str_to_string_piece(header->value), ",", values,
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true /* omit empty strings */);
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}
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}
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if (values->size() == 0) {
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// No header found with this name.
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return false;
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}
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for (int i = 0, n = values->size(); i < n; ++i) {
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TrimWhitespace(&((*values)[i]));
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}
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return true;
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}
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} // namespace net_instaweb
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