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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/base/escape.h" | 5 #include "net/base/escape.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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23 DCHECK_LE(i, 15) << i << " not a hex value"; | 23 DCHECK_LE(i, 15) << i << " not a hex value"; |
24 return kHexString[i]; | 24 return kHexString[i]; |
25 } | 25 } |
26 | 26 |
27 // A fast bit-vector map for ascii characters. | 27 // A fast bit-vector map for ascii characters. |
28 // | 28 // |
29 // Internally stores 256 bits in an array of 8 ints. | 29 // Internally stores 256 bits in an array of 8 ints. |
30 // Does quick bit-flicking to lookup needed characters. | 30 // Does quick bit-flicking to lookup needed characters. |
31 struct Charmap { | 31 struct Charmap { |
32 bool Contains(unsigned char c) const { | 32 bool Contains(unsigned char c) const { |
33 return (map[c >> 5] & (1 << (c & 31))) ? true : false; | 33 return ((map[c >> 5] & (1 << (c & 31))) != 0); |
34 } | 34 } |
35 | 35 |
36 uint32 map[8]; | 36 uint32 map[8]; |
37 }; | 37 }; |
38 | 38 |
39 // Given text to escape and a Charmap defining which values to escape, | 39 // Given text to escape and a Charmap defining which values to escape, |
40 // return an escaped string. If use_plus is true, spaces are converted | 40 // return an escaped string. If use_plus is true, spaces are converted |
41 // to +, otherwise, if spaces are in the charmap, they are converted to | 41 // to +, otherwise, if spaces are in the charmap, they are converted to |
42 // %20. | 42 // %20. |
43 std::string Escape(const std::string& text, const Charmap& charmap, | 43 std::string Escape(const std::string& text, const Charmap& charmap, |
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380 return; | 380 return; |
381 } | 381 } |
382 adjusted_offset -= 2; | 382 adjusted_offset -= 2; |
383 } | 383 } |
384 offset = adjusted_offset; | 384 offset = adjusted_offset; |
385 } | 385 } |
386 | 386 |
387 } // namespace internal | 387 } // namespace internal |
388 | 388 |
389 } // namespace net | 389 } // namespace net |
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