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Side by Side Diff: src/url_canon_stdstring.h

Issue 14090005: Modify the headers in src/ to forward to url/*.h (Closed) Base URL: http://google-url.googlecode.com/svn/trunk
Patch Set: Created 7 years, 8 months ago
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1 // Copyright 2007, Google Inc. 1 // Copyright 2007, Google Inc.
2 // All rights reserved. 2 // All rights reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are 5 // modification, are permitted provided that the following conditions are
6 // met: 6 // met:
7 // 7 //
8 // * Redistributions of source code must retain the above copyright 8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer. 9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above 10 // * Redistributions in binary form must reproduce the above
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27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 29
30 // This header file defines a canonicalizer output method class for STL 30 // This header file defines a canonicalizer output method class for STL
31 // strings. Because the canonicalizer tries not to be dependent on the STL, 31 // strings. Because the canonicalizer tries not to be dependent on the STL,
32 // we have segregated it here. 32 // we have segregated it here.
33 33
34 #ifndef GOOGLEURL_SRC_URL_CANON_STDSTRING_H__ 34 #ifndef GOOGLEURL_SRC_URL_CANON_STDSTRING_H__
35 #define GOOGLEURL_SRC_URL_CANON_STDSTRING_H__ 35 #define GOOGLEURL_SRC_URL_CANON_STDSTRING_H__
36 36
37 #include <string> 37 #include "url/url_canon_stdstring.h"
38 #include "googleurl/src/url_canon.h"
39
40 namespace url_canon {
41
42 // Write into a std::string given in the constructor. This object does not own
43 // the string itself, and the user must ensure that the string stays alive
44 // throughout the lifetime of this object.
45 //
46 // The given string will be appended to; any existing data in the string will
47 // be preserved. The caller should reserve() the amount of data in the string
48 // they expect to be written. We will resize if necessary, but that's slow.
49 //
50 // Note that when canonicalization is complete, the string will likely have
51 // unused space at the end because we make the string very big to start out
52 // with (by |initial_size|). This ends up being important because resize
53 // operations are slow, and because the base class needs to write directly
54 // into the buffer.
55 //
56 // Therefore, the user should call Complete() before using the string that
57 // this class wrote into.
58 class StdStringCanonOutput : public CanonOutput {
59 public:
60 StdStringCanonOutput(std::string* str)
61 : CanonOutput(),
62 str_(str) {
63 cur_len_ = static_cast<int>(str_->size()); // Append to existing data.
64 str_->resize(str_->capacity());
65 buffer_ = str_->empty() ? NULL : &(*str_)[0];
66 buffer_len_ = static_cast<int>(str_->size());
67 }
68 virtual ~StdStringCanonOutput() {
69 // Nothing to do, we don't own the string.
70 }
71
72 // Must be called after writing has completed but before the string is used.
73 void Complete() {
74 str_->resize(cur_len_);
75 buffer_len_ = cur_len_;
76 }
77
78 virtual void Resize(int sz) {
79 str_->resize(sz);
80 buffer_ = str_->empty() ? NULL : &(*str_)[0];
81 buffer_len_ = sz;
82 }
83
84 protected:
85 std::string* str_;
86 };
87
88 // An extension of the Replacements class that allows the setters to use
89 // standard strings.
90 //
91 // The strings passed as arguments are not copied and must remain valid until
92 // this class goes out of scope.
93 template<typename STR>
94 class StdStringReplacements :
95 public url_canon::Replacements<typename STR::value_type> {
96 public:
97 void SetSchemeStr(const STR& s) {
98 this->SetScheme(s.data(),
99 url_parse::Component(0, static_cast<int>(s.length())));
100 }
101 void SetUsernameStr(const STR& s) {
102 this->SetUsername(s.data(),
103 url_parse::Component(0, static_cast<int>(s.length())));
104 }
105 void SetPasswordStr(const STR& s) {
106 this->SetPassword(s.data(),
107 url_parse::Component(0, static_cast<int>(s.length())));
108 }
109 void SetHostStr(const STR& s) {
110 this->SetHost(s.data(),
111 url_parse::Component(0, static_cast<int>(s.length())));
112 }
113 void SetPortStr(const STR& s) {
114 this->SetPort(s.data(),
115 url_parse::Component(0, static_cast<int>(s.length())));
116 }
117 void SetPathStr(const STR& s) {
118 this->SetPath(s.data(),
119 url_parse::Component(0, static_cast<int>(s.length())));
120 }
121 void SetQueryStr(const STR& s) {
122 this->SetQuery(s.data(),
123 url_parse::Component(0, static_cast<int>(s.length())));
124 }
125 void SetRefStr(const STR& s) {
126 this->SetRef(s.data(),
127 url_parse::Component(0, static_cast<int>(s.length())));
128 }
129 };
130
131 } // namespace url_canon
132 38
133 #endif // GOOGLEURL_SRC_URL_CANON_STDSTRING_H__ 39 #endif // GOOGLEURL_SRC_URL_CANON_STDSTRING_H__
134 40
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