Question: c++ please 11. The text edited by a line editor is represented by a doubly linked list of nodes, each of which contains an 80-column

c++ please c++ please 11. The text edited by a line editor is represented

by a doubly linked list of nodes, each of which contains an

11. The text edited by a line editor is represented by a doubly linked list of nodes, each of which contains an 80-column line of text (type LineType). There is one external pointer (type LineType) to this list, which points to the "current" line in the text being edited. The list has a header node, which contains the string "- -Top of File - and a trailer node, which contains the string " Bottom of File a. Draw a sketch of this data structure. b. Write the type declarations to support this data structure. c. Write the class constructor, which sets up the header and trailer nodes. d. Code the following operations: GoToTop(LineType linePtr) Function Goes to the top of the list. Postcondition:currentLine is set to access the first line of text. GoToBottom(LineType* linePtr) Functiorn Goes to the bottom of the list. Postcondition:currentLine is set to access the last line of text

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