Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
|
Karl Klose
2011/04/12 07:55:40
Please update to 2011.
| |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| (...skipping 30 matching lines...) Expand all Loading... | |
| 42 // [0]: year | 42 // [0]: year |
| 43 // [1]: month (0 = Jan, 1 = Feb, ...) | 43 // [1]: month (0 = Jan, 1 = Feb, ...) |
| 44 // [2]: day | 44 // [2]: day |
| 45 // [3]: hour | 45 // [3]: hour |
| 46 // [4]: minute | 46 // [4]: minute |
| 47 // [5]: second | 47 // [5]: second |
| 48 // [6]: millisecond | 48 // [6]: millisecond |
| 49 // [7]: UTC offset in seconds, or null value if no timezone specified | 49 // [7]: UTC offset in seconds, or null value if no timezone specified |
| 50 // If parsing fails, return false (content of output array is not defined). | 50 // If parsing fails, return false (content of output array is not defined). |
| 51 template <typename Char> | 51 template <typename Char> |
| 52 static bool Parse(Vector<Char> str, FixedArray* output); | 52 static bool Parse(Vector<Char> str, FixedArray* output, UnicodeCache* cache); |
| 53 | 53 |
| 54 enum { | 54 enum { |
| 55 YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, MILLISECOND, UTC_OFFSET, OUTPUT_SIZE | 55 YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, MILLISECOND, UTC_OFFSET, OUTPUT_SIZE |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 // Range testing | 59 // Range testing |
| 60 static inline bool Between(int x, int lo, int hi) { | 60 static inline bool Between(int x, int lo, int hi) { |
| 61 return static_cast<unsigned>(x - lo) <= static_cast<unsigned>(hi - lo); | 61 return static_cast<unsigned>(x - lo) <= static_cast<unsigned>(hi - lo); |
| 62 } | 62 } |
| 63 // Indicates a missing value. | 63 // Indicates a missing value. |
| 64 static const int kNone = kMaxInt; | 64 static const int kNone = kMaxInt; |
| 65 | 65 |
| 66 // InputReader provides basic string parsing and character classification. | 66 // InputReader provides basic string parsing and character classification. |
| 67 template <typename Char> | 67 template <typename Char> |
| 68 class InputReader BASE_EMBEDDED { | 68 class InputReader BASE_EMBEDDED { |
| 69 public: | 69 public: |
| 70 explicit InputReader(Vector<Char> s) | 70 explicit InputReader(UnicodeCache* unicode_cache, Vector<Char> s) |
|
Karl Klose
2011/04/12 07:55:40
Explicit is no longer needed here.
Lasse Reichstein
2011/04/12 08:18:47
Removed.
| |
| 71 : index_(0), | 71 : index_(0), |
| 72 buffer_(s), | 72 buffer_(s), |
| 73 has_read_number_(false), | 73 has_read_number_(false), |
| 74 scanner_constants_(Isolate::Current()->scanner_constants()) { | 74 unicode_cache_(unicode_cache) { |
| 75 Next(); | 75 Next(); |
| 76 } | 76 } |
| 77 | 77 |
| 78 // Advance to the next character of the string. | 78 // Advance to the next character of the string. |
| 79 void Next() { ch_ = (index_ < buffer_.length()) ? buffer_[index_++] : 0; } | 79 void Next() { ch_ = (index_ < buffer_.length()) ? buffer_[index_++] : 0; } |
| 80 | 80 |
| 81 // Read a string of digits as an unsigned number (cap just below kMaxInt). | 81 // Read a string of digits as an unsigned number (cap just below kMaxInt). |
| 82 int ReadUnsignedNumber() { | 82 int ReadUnsignedNumber() { |
| 83 has_read_number_ = true; | 83 has_read_number_ = true; |
| 84 int n; | 84 int n; |
| (...skipping 30 matching lines...) Expand all Loading... | |
| 115 // The skip methods return whether they actually skipped something. | 115 // The skip methods return whether they actually skipped something. |
| 116 bool Skip(uint32_t c) { | 116 bool Skip(uint32_t c) { |
| 117 if (ch_ == c) { | 117 if (ch_ == c) { |
| 118 Next(); | 118 Next(); |
| 119 return true; | 119 return true; |
| 120 } | 120 } |
| 121 return false; | 121 return false; |
| 122 } | 122 } |
| 123 | 123 |
| 124 bool SkipWhiteSpace() { | 124 bool SkipWhiteSpace() { |
| 125 if (scanner_constants_->IsWhiteSpace(ch_)) { | 125 if (unicode_cache_->IsWhiteSpace(ch_)) { |
| 126 Next(); | 126 Next(); |
| 127 return true; | 127 return true; |
| 128 } | 128 } |
| 129 return false; | 129 return false; |
| 130 } | 130 } |
| 131 | 131 |
| 132 bool SkipParentheses() { | 132 bool SkipParentheses() { |
| 133 if (ch_ != '(') return false; | 133 if (ch_ != '(') return false; |
| 134 int balance = 0; | 134 int balance = 0; |
| 135 do { | 135 do { |
| (...skipping 15 matching lines...) Expand all Loading... | |
| 151 int GetAsciiSignValue() const { return 44 - static_cast<int>(ch_); } | 151 int GetAsciiSignValue() const { return 44 - static_cast<int>(ch_); } |
| 152 | 152 |
| 153 // Indicates whether any (possibly empty!) numbers have been read. | 153 // Indicates whether any (possibly empty!) numbers have been read. |
| 154 bool HasReadNumber() const { return has_read_number_; } | 154 bool HasReadNumber() const { return has_read_number_; } |
| 155 | 155 |
| 156 private: | 156 private: |
| 157 int index_; | 157 int index_; |
| 158 Vector<Char> buffer_; | 158 Vector<Char> buffer_; |
| 159 bool has_read_number_; | 159 bool has_read_number_; |
| 160 uint32_t ch_; | 160 uint32_t ch_; |
| 161 ScannerConstants* scanner_constants_; | 161 UnicodeCache* unicode_cache_; |
| 162 }; | 162 }; |
| 163 | 163 |
| 164 enum KeywordType { INVALID, MONTH_NAME, TIME_ZONE_NAME, AM_PM }; | 164 enum KeywordType { INVALID, MONTH_NAME, TIME_ZONE_NAME, AM_PM }; |
| 165 | 165 |
| 166 // KeywordTable maps names of months, time zones, am/pm to numbers. | 166 // KeywordTable maps names of months, time zones, am/pm to numbers. |
| 167 class KeywordTable : public AllStatic { | 167 class KeywordTable : public AllStatic { |
| 168 public: | 168 public: |
| 169 // Look up a word in the keyword table and return an index. | 169 // Look up a word in the keyword table and return an index. |
| 170 // 'pre' contains a prefix of the word, zero-padded to size kPrefixLength | 170 // 'pre' contains a prefix of the word, zero-padded to size kPrefixLength |
| 171 // and 'len' is the word length. | 171 // and 'len' is the word length. |
| (...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 256 int comp_[kSize]; | 256 int comp_[kSize]; |
| 257 int index_; | 257 int index_; |
| 258 int named_month_; | 258 int named_month_; |
| 259 }; | 259 }; |
| 260 }; | 260 }; |
| 261 | 261 |
| 262 | 262 |
| 263 } } // namespace v8::internal | 263 } } // namespace v8::internal |
| 264 | 264 |
| 265 #endif // V8_DATEPARSER_H_ | 265 #endif // V8_DATEPARSER_H_ |
| OLD | NEW |