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Side by Side Diff: net/base/url_util.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef NET_BASE_URL_UTIL_H_
6 #define NET_BASE_URL_UTIL_H_
7
8 #include <string>
9
10 #include "base/compiler_specific.h"
11 #include "net/base/net_export.h"
12 #include "url/url_parse.h"
13
14 class GURL;
15
16 namespace net {
17
18 // Returns a new GURL by appending the given query parameter name and the
19 // value. Unsafe characters in the name and the value are escaped like
20 // %XX%XX. The original query component is preserved if it's present.
21 //
22 // Examples:
23 //
24 // AppendQueryParameter(GURL("http://example.com"), "name", "value").spec()
25 // => "http://example.com?name=value"
26 // AppendQueryParameter(GURL("http://example.com?x=y"), "name", "value").spec()
27 // => "http://example.com?x=y&name=value"
28 NET_EXPORT GURL AppendQueryParameter(const GURL& url,
29 const std::string& name,
30 const std::string& value);
31
32 // Returns a new GURL by appending or replacing the given query parameter name
33 // and the value. If |name| appears more than once, only the first name-value
34 // pair is replaced. Unsafe characters in the name and the value are escaped
35 // like %XX%XX. The original query component is preserved if it's present.
36 //
37 // Examples:
38 //
39 // AppendOrReplaceQueryParameter(
40 // GURL("http://example.com"), "name", "new").spec()
41 // => "http://example.com?name=value"
42 // AppendOrReplaceQueryParameter(
43 // GURL("http://example.com?x=y&name=old"), "name", "new").spec()
44 // => "http://example.com?x=y&name=new"
45 NET_EXPORT GURL AppendOrReplaceQueryParameter(const GURL& url,
46 const std::string& name,
47 const std::string& value);
48
49 // Iterates over the key-value pairs in the query portion of |url|.
50 class NET_EXPORT QueryIterator {
51 public:
52 explicit QueryIterator(const GURL& url);
53 ~QueryIterator();
54
55 std::string GetKey() const;
56 std::string GetValue() const;
57 const std::string& GetUnescapedValue();
58
59 bool IsAtEnd() const;
60 void Advance();
61
62 private:
63 const GURL& url_;
64 url::Component query_;
65 bool at_end_;
66 url::Component key_;
67 url::Component value_;
68 std::string unescaped_value_;
69
70 DISALLOW_COPY_AND_ASSIGN(QueryIterator);
71 };
72
73 // Looks for |search_key| in the query portion of |url|. Returns true if the
74 // key is found and sets |out_value| to the unescaped value for the key.
75 // Returns false if the key is not found.
76 NET_EXPORT bool GetValueForKeyInQuery(const GURL& url,
77 const std::string& search_key,
78 std::string* out_value);
79
80 } // namespace net
81
82 #endif // NET_BASE_URL_UTIL_H_
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