B һd@s:dZddlmZejZGdddeZGdddeZdS)zWidgets for Curses-based CLI.)debugger_cli_commonc@seZdZdZddZdS)NavigationHistoryItemz&Individual item in navigation history.cCs||_||_||_dS)zConstructor of NavigationHistoryItem. Args: command: (`str`) the command line text. screen_output: the screen output of the command. scroll_position: (`int`) scroll position in the screen output. N)command screen_outputscroll_position)selfrrrr\/var/www/html/venv/lib/python3.7/site-packages/tensorflow/python/debug/cli/curses_widgets.py__init__szNavigationHistoryItem.__init__N)__name__ __module__ __qualname____doc__r rrrr rsrc@sjeZdZdZdZdZddZddZdd Zd d Z d d Z ddZ ddZ ddZ ddZdddZdS)CursesNavigationHistoryz@Navigation history containing commands, outputs and scroll info.z<--z-->cCs*|dkrtd|||_g|_d|_dS)a'Constructor of CursesNavigationHistory. Args: capacity: (`int`) How many items this object can hold. Each item consists of a command stirng, an output RichTextLines object and a scroll position. Raises: ValueError: If capacity is not a positive number. rzIn valid capacity value: %dN) ValueError _capacity_items_pointer)rcapacityrrr r ,s  z CursesNavigationHistory.__init__cCsv|jdt|jkr*|jd|jd|_|jt|||t|j|jkrb|j|j d|_t|jd|_dS)zAdd an item to the navigation histoyr. Args: command: command line text. screen_output: screen output produced for the command. scroll_position: (`int`) scroll position in the screen output. N)rlenrappendrr)rrrrrrr add_item>sz CursesNavigationHistory.add_itemcCs |jstd||j|j_dS)zUpdate the scroll position of the currently-pointed-to history item. Args: new_scroll_position: (`int`) new scroll-position value. Raises: ValueError: If the history is empty. zEmpty navigation historyN)rrrr)rZnew_scroll_positionrrr update_scroll_positionNs z.CursesNavigationHistory.update_scroll_positioncCs t|jS)N)rr)rrrr size[szCursesNavigationHistory.sizecCs|jS)N)r)rrrr pointer^szCursesNavigationHistory.pointercCs0|jstd|r$|jd8_|j|jS)zGo back one place in the history, if possible. Decrease the pointer value by 1, if possible. Otherwise, the pointer value will be unchanged. Returns: The updated pointer value. Raises: ValueError: If history is empty. zEmpty navigation historyr)rr can_go_backr)rrrr go_backas zCursesNavigationHistory.go_backcCs0|jstd|r$|jd7_|j|jS)aGo forward one place in the history, if possible. Increase the pointer value by 1, if possible. Otherwise, the pointer value will be unchanged. Returns: The updated pointer value. Raises: ValueError: If history is empty. zEmpty navigation historyr)rrcan_go_forwardr)rrrr go_forwardts z"CursesNavigationHistory.go_forwardcCs |jdkS)zvTest whether client can go back one place. Returns: (`bool`) Whether going back one place is possible. r)r)rrrr rsz#CursesNavigationHistory.can_go_backcCs|jdt|jkS)zyTest whether client can go forward one place. Returns: (`bool`) Whether going back one place is possible. r)rrr)rrrr rsz&CursesNavigationHistory.can_go_forwardblack_on_whitemagenta_on_whitec Cstd}|t|j|r$td|nd7}|td7}|t|j|rTtd|nd7}|jr|jt |jdkrz|n|}|td7}|jt |jdkr|tdt |jd|j|7}t ||kr|j|jj d|t |}|t||7}t |gS)atRender the rich text content of the single-line navigation bar. Args: max_length: (`int`) Maximum length of the navigation bar, in characters. backward_command: (`str`) command for going backward. Used to construct the shortcut menu item. forward_command: (`str`) command for going forward. Used to construct the shortcut menu item. latest_command_attribute: font attribute for lastest command. old_command_attribute: font attribute for old (non-latest) command. Returns: (`debugger_cli_common.RichTextLines`) the navigation bar text with attributes. z| N rz | z(-%d) ) RLBACK_ARROW_TEXTrrZMenuItemFORWARD_ARROW_TEXTrrrrrZ#rich_text_lines_from_rich_line_list) r max_lengthZbackward_commandZforward_commandZlatest_command_attributeZold_command_attributeoutputZcommand_attributeZmaybe_truncated_commandrrr renders(   zCursesNavigationHistory.renderN)r!r")r r r rr%r&r rrrrrr rrr)rrrr r&s  rN)rZtensorflow.python.debug.clirZRichLiner$objectrrrrrr s