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1 /* This Source Code Form is subject to the terms of the Mozilla Public |
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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4 |
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5 #ifndef nsHtml5Speculation_h |
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6 #define nsHtml5Speculation_h |
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7 |
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8 #include "nsHtml5OwningUTF16Buffer.h" |
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9 #include "nsAHtml5TreeBuilderState.h" |
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10 #include "nsHtml5TreeOperation.h" |
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11 #include "nsAHtml5TreeOpSink.h" |
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12 #include "nsTArray.h" |
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13 #include "nsAutoPtr.h" |
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14 #include "mozilla/Attributes.h" |
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15 |
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16 class nsHtml5Speculation MOZ_FINAL : public nsAHtml5TreeOpSink |
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17 { |
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18 public: |
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19 nsHtml5Speculation(nsHtml5OwningUTF16Buffer* aBuffer, |
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20 int32_t aStart, |
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21 int32_t aStartLineNumber, |
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22 nsAHtml5TreeBuilderState* aSnapshot); |
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23 |
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24 ~nsHtml5Speculation(); |
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25 |
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26 nsHtml5OwningUTF16Buffer* GetBuffer() |
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27 { |
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28 return mBuffer; |
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29 } |
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30 |
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31 int32_t GetStart() |
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32 { |
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33 return mStart; |
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34 } |
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35 |
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36 int32_t GetStartLineNumber() |
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37 { |
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38 return mStartLineNumber; |
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39 } |
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40 |
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41 nsAHtml5TreeBuilderState* GetSnapshot() |
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42 { |
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43 return mSnapshot; |
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44 } |
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45 |
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46 /** |
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47 * Flush the operations from the tree operations from the argument |
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48 * queue unconditionally. |
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49 */ |
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50 virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue); |
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51 |
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52 void FlushToSink(nsAHtml5TreeOpSink* aSink); |
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53 |
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54 private: |
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55 /** |
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56 * The first buffer in the pending UTF-16 buffer queue |
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57 */ |
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58 nsRefPtr<nsHtml5OwningUTF16Buffer> mBuffer; |
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59 |
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60 /** |
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61 * The start index of this speculation in the first buffer |
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62 */ |
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63 int32_t mStart; |
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64 |
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65 /** |
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66 * The current line number at the start of the speculation |
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67 */ |
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68 int32_t mStartLineNumber; |
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69 |
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70 nsAutoPtr<nsAHtml5TreeBuilderState> mSnapshot; |
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71 |
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72 nsTArray<nsHtml5TreeOperation> mOpQueue; |
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73 }; |
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74 |
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75 #endif // nsHtml5Speculation_h |