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26 #ifndef TextInsertionBaseCommand_h
27 #define TextInsertionBaseCommand_h
29 #include "core/editing/CompositeEditCommand.h"
30 #include "wtf/text/WTFString.h"
35 class VisibleSelection;
37 class TextInsertionBaseCommand : public CompositeEditCommand {
39 virtual ~TextInsertionBaseCommand() { };
42 explicit TextInsertionBaseCommand(Document&);
43 static void applyTextInsertionCommand(LocalFrame*, PassRefPtrWillBeRawPtr<TextInsertionBaseCommand>, const VisibleSelection& selectionForInsertion, const VisibleSelection& endingSelection);
46 String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelection& selectionForInsertion, bool insertionIsForUpdatingComposition);
47 bool canAppendNewLineFeedToSelection(const VisibleSelection&);
49 // LineOperation should define member function "opeartor (size_t lineOffset, size_t lineLength, bool isLastLine)".
50 // lienLength doesn't include the newline character. So the value of lineLength could be 0.
51 template <class LineOperation>
52 void forEachLineInString(const String& string, const LineOperation& operation)
56 while ((newline = string.find('\n', offset)) != kNotFound) {
57 operation(offset, newline - offset, false);
61 operation(0, string.length(), true);
63 unsigned length = string.length();
65 operation(offset, length - offset, true);