| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: jmarantz@google.com (Joshua Marantz) |
| |
| #include "pagespeed/kernel/http/query_params.h" |
| |
| #include "base/logging.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/http/google_url.h" |
| |
| namespace net_instaweb { |
| |
| void QueryParams::ParseFromUrl(const GoogleUrl& gurl) { |
| CHECK_EQ(0, size()); |
| map_.AddFromNameValuePairs(gurl.Query(), "&", '=', |
| /* omit_if_no_value= */ false); |
| } |
| |
| void QueryParams::ParseFromUntrustedString(StringPiece query_param_string) { |
| GoogleUrl gurl(StrCat("http://www.example.com/?", query_param_string)); |
| ParseFromUrl(gurl); |
| } |
| |
| bool QueryParams::UnescapedValue(int index, GoogleString* unescaped_val) const { |
| const GoogleString* val = map_.value(index); |
| if (val == NULL) { |
| return false; |
| } |
| // TODO(jmarantz): make GoogleUrl::UnescapeQueryParam check for invalid |
| // encodings. |
| *unescaped_val = GoogleUrl::UnescapeQueryParam(*val); |
| return true; |
| } |
| |
| bool QueryParams::Lookup1Unescaped(const StringPiece& name, |
| GoogleString* unescaped_val) const { |
| const GoogleString* val = map_.Lookup1(name); |
| if (val == NULL) { |
| return false; |
| } |
| // TODO(jmarantz): make GoogleUrl::UnescapeQueryParam check for invalid |
| // encodings. |
| *unescaped_val = GoogleUrl::UnescapeQueryParam(*val); |
| return true; |
| } |
| |
| GoogleString QueryParams::ToEscapedString() const { |
| GoogleString str; |
| const char* prefix=""; |
| for (int i = 0; i < size(); ++i) { |
| const GoogleString* escaped_value = EscapedValue(i); |
| if (escaped_value == NULL) { |
| StrAppend(&str, prefix, name(i)); |
| } else { |
| StrAppend(&str, prefix, name(i), "=", *escaped_value); |
| } |
| prefix = "&"; |
| } |
| return str; |
| } |
| |
| } // namespace net_instaweb |