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1 /* | 1 /* |
2 * Copyright (C) 2013, Opera Software ASA. All rights reserved. | 2 * Copyright (C) 2013, Opera Software ASA. 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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48 DISALLOW_NEW(); | 48 DISALLOW_NEW(); |
49 WTF_MAKE_NONCOPYABLE(BufferedLineReader); | 49 WTF_MAKE_NONCOPYABLE(BufferedLineReader); |
50 public: | 50 public: |
51 BufferedLineReader() | 51 BufferedLineReader() |
52 : m_endOfStream(false) | 52 : m_endOfStream(false) |
53 , m_maybeSkipLF(false) { } | 53 , m_maybeSkipLF(false) { } |
54 | 54 |
55 // Append data to the internal buffer. | 55 // Append data to the internal buffer. |
56 void append(const String& data) | 56 void append(const String& data) |
57 { | 57 { |
58 ASSERT(!m_endOfStream); | 58 DCHECK(!m_endOfStream); |
59 m_buffer.append(SegmentedString(data)); | 59 m_buffer.append(SegmentedString(data)); |
60 } | 60 } |
61 | 61 |
62 // Indicate that no more data will be appended. This will cause any | 62 // Indicate that no more data will be appended. This will cause any |
63 // potentially "unterminated" line to be returned from getLine. | 63 // potentially "unterminated" line to be returned from getLine. |
64 void setEndOfStream() { m_endOfStream = true; } | 64 void setEndOfStream() { m_endOfStream = true; } |
65 | 65 |
66 // Attempt to read a line from the internal buffer (fed via append). | 66 // Attempt to read a line from the internal buffer (fed via append). |
67 // If successful, true is returned and |line| is set to the line that was | 67 // If successful, true is returned and |line| is set to the line that was |
68 // read. If no line could be read false is returned. | 68 // read. If no line could be read false is returned. |
69 bool getLine(String& line); | 69 bool getLine(String& line); |
70 | 70 |
71 // Returns true if EOS has been reached proper. | 71 // Returns true if EOS has been reached proper. |
72 bool isAtEndOfStream() const { return m_endOfStream && m_buffer.isEmpty(); } | 72 bool isAtEndOfStream() const { return m_endOfStream && m_buffer.isEmpty(); } |
73 | 73 |
74 private: | 74 private: |
75 // Consume the next character the buffer if it is the character |c|. | 75 // Consume the next character the buffer if it is the character |c|. |
76 void scanCharacter(UChar c) | 76 void scanCharacter(UChar c) |
77 { | 77 { |
78 ASSERT(!m_buffer.isEmpty()); | 78 DCHECK(!m_buffer.isEmpty()); |
79 if (m_buffer.currentChar() == c) | 79 if (m_buffer.currentChar() == c) |
80 m_buffer.advance(); | 80 m_buffer.advance(); |
81 } | 81 } |
82 | 82 |
83 SegmentedString m_buffer; | 83 SegmentedString m_buffer; |
84 StringBuilder m_lineBuffer; | 84 StringBuilder m_lineBuffer; |
85 bool m_endOfStream; | 85 bool m_endOfStream; |
86 bool m_maybeSkipLF; | 86 bool m_maybeSkipLF; |
87 }; | 87 }; |
88 | 88 |
89 } // namespace blink | 89 } // namespace blink |
90 | 90 |
91 #endif | 91 #endif |
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