3
.�]�/ � @ s
d Z ddlmZ ddlmZ ddlZdd� Zdd � Zd
d � Zd d
� Zdd� Z dd� Z
dd� Z dd� Z dd� Z
dd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Zd4d5� Z G d6d7� d7ej�Z G d8d9� d9e �Z dS ):a� This implements an ANSI (VT100) terminal emulator as a subclass of screen.
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
� )�screen)�FSM� Nc C s | j d }|j| j� d S )Nr )�memory�write_ch� input_symbol)�fsmr � r �/usr/lib/python3.6/ANSI.py�DoEmit$ s
r c C s | j j| j� d S )N)r �appendr )r r r r
�
DoStartNumber) s r
c C s$ | j j� }|| j }| j j|� d S )N)r �popr r )r �nsr r r
�
DoBuildNumber- s
r c C s | j d }|j� d S )Nr )r � cursor_back)r r r r r
� DoBackOne3 s
r c C s& t | jj� �}| jd }|j|� d S )Nr )�intr r r )r �countr r r r
�DoBack8 s
r c C s | j d }|j� d S )Nr )r � cursor_down)r r r r r
� DoDownOne> s
r c C s& t | jj� �}| jd }|j|� d S )Nr )r r r r )r r r r r r
�DoDownC s
r c C s | j d }|j� d S )Nr )r �cursor_forward)r r r r r
� DoForwardOneI s
r c C s& t | jj� �}| jd }|j|� d S )Nr )r r r r )r r r r r r
� DoForwardN s
r c C s | j d }|j� d S )Nr )r Zcursor_up_reverse)r r r r r
� DoUpReverseT s
r c C s | j d }|j� d S )Nr )r � cursor_up)r r r r r
�DoUpOneY s
r c C s& t | jj� �}| jd }|j|� d S )Nr )r r r r )r r r r r r
�DoUp^ s
r c C s6 t | jj� �}t | jj� �}| jd }|j||� d S )Nr )r r r � cursor_home)r �c�rr r r r
�DoHomed s
r# c C s" d}d}| j d }|j||� d S )Nr r )r r )r r! r" r r r r
� DoHomeOrigink s
r$ c C s | j d }|j� d S )Nr )r �
erase_down)r r r r r
� DoEraseDownr s
r& c C sP t | jj� �}| jd }|dkr*|j� n"|dkr<|j� n|dkrL|j� d S )Nr r � )r r r r% Zerase_upZ erase_screen)r �argr r r r
�DoErasew s
r) c C s | j d }|j� d S )Nr )r �erase_end_of_line)r r r r r
�DoEraseEndOfLine� s
r+ c C sP t | jj� �}| jd }|dkr*|j� n"|dkr<|j� n|dkrL|j� d S )Nr r r' )r r r r* Zerase_start_of_line�
erase_line)r r( r r r r
� DoEraseLine� s
r- c C s | j d }|j� d S )Nr )r Z
scroll_screen)r r r r r
�DoEnableScroll� s
r. c C s | j d }|j� d S )Nr )r Zcursor_save_attrs)r r r r r
� DoCursorSave� s
r/ c C s | j d }|j� d S )Nr )r Zcursor_restore_attrs)r r r r r
�DoCursorRestore� s
r0 c C s6 | j d }t| j j� �}t| j j� �}|j||� d S )Nr )r r r Zscroll_screen_rows)r r Zr2Zr1r r r
�DoScrollRegion� s
r1 c C s | j d }| j j� }d S )Nr )r r )r r �moder r r
�DoMode� s
r3 c C sB | j d }|g| _ tdd�}|j| jd | j d � |j� d S )Nr �log�a�,�
)r �open�writer Z
current_state�close)r r Zfoutr r r
�DoLog� s
r; c @ s e Zd ZdZddd�ZdS )�termz�This class is an abstract, generic terminal.
This does nothing. This is a placeholder that
provides a common base class for other terminals
such as an ANSI terminal. � �P c O s t j j| ||f|�|� d S )N)r �__init__)�selfr" r! �args�kwargsr r r
r? � s z
term.__init__N)r= r> )�__name__�
__module__� __qualname__�__doc__r? r r r r
r< � s r< c @ sZ e Zd ZdZddd�Zdd� Zdd � Zd
d � Zd d
� Zdd� Z dd� Z
dd� Z dd� Z dS )�ANSIz�This class implements an ANSI (VT100) terminal.
It is a stream filter that recognizes ANSI terminal
escape sequences and maintains the state of a screen object. r= r> c O sr t j| ||f|�|� tjd| g�| _| jjtd� | jjdtd� | jjddd d� | jjdtd� | jjddd d� | jjddd d� | jj ddd d� | jj ddd d� | jjd dt
d� | jjd
dt d� | jjd dt d� | jjd dt d� | jjd
dt d� | jjddd d� | jjddd d� | jjdd d� | jjddd d� | jjddt
d� | jjddtd� | jjddtd� | jjddtd� | jjddtd� | jjddtd� | jjddtd� | jjddtd� | jjdd| jd� | jjd dd d � | jj tjdtd � | jj tjd td � | jjdd td� | jjdd td� | jjdd t d� | jjdd t d� | jjdd t d� | jjdd t d� | jjd d t d� | jjdd | jd� | jjd d | j!d� | jj tjd td!� | jj tjd!td!� | jjd d!| j"d� | jjd"d!| j"d� | jjd#d d d$� | jjd$td� | jj tjd$td%� | jj tjd%td%� | jjd%td� | jjdd%t#d� | jjd&d%t#d� | jjdd%t$d� | jjdd%| jd� | jjd d%| j!d� | jjd#d%d d'� | jjd'td� | jj tjd'td(� | jj tjd(td(� | jjd(td� | jjdd(| jd� | jjd d(| j!d� | jjd#d(d d'� d S ))NZINIT�ZESC�(ZG0SCS�)ZG1SCSZAB012�7�8�M�>�<�=�#ZGRAPHICS_POUND�[ZELB�H�D�B�C�A�J�Kr" �m�?ZMODECRAPZNUMBER_1�l�qZ MODECRAP_NUM�h�;Z SEMICOLONZNUMBER_2�fZ SEMICOLON_XZNUMBER_X)%r< r? r �stateZset_default_transitionr; Zadd_transition_anyr Zadd_transitionZadd_transition_listr/ r0 r r$ r r r r r& r+ r. �do_sgr�stringZdigitsr
r r r r r r) r- r3 � do_decsca� do_modecrapr# r1 )r@ r" r! rA rB r r r
r? � s| z
ANSI.__init__c C s$ t |t�r| j|�}| jj|� dS )z4Process a single character. Called by :meth:`write`.N)�
isinstance�bytes�_decodera �process)r@ r! r r r
ri s
z ANSI.processc C s | j |� d S )N)r9 )r@ r\ r r r
� process_list s zANSI.process_listc C s0 t |t�r| j|�}x|D ]}| j|� qW dS )zaProcess text, writing it to the virtual screen while handling
ANSI escape codes.
N)rf rg rh ri )r@ �sr! r r r
r9 # s
z
ANSI.writec C s d S )Nr )r@ r r r
�flush, s z
ANSI.flushc C s� t |t�r| j|�}|d }|dkr0| j� dS |dkrD| j� dS |ttj�kr^| j� dS | j | j
| j |� | j
}| j }| j � || j kr�| j
� || j
kr�| j| j
d� n | j� | j| j
d� | j� dS )z�This puts a character at the current cursor position. The cursor
position is moved forward with wrap-around, but no scrolling is done if
the cursor hits the lower-right corner of the screen. r �
Nr7 r )rf rg rh ZcrZcrlf�chrr ZBSr Zput_absZcur_rZcur_cr r r Z scroll_upr, )r@ ZchZold_rZold_cr r r
r / s.
z
ANSI.write_chc C s |j d }|g|_ dS )z&Select Graphic Rendition, e.g. color. r N)r )r@ r r r r r
rb P s
z ANSI.do_sgrc C s |j d }|g|_ dS )z'Select character protection attribute. r N)r )r@ r r r r r
rd U s
zANSI.do_decscac C s |j d }|g|_ dS )z�Handler for [?<number>h and [?<number>l. If anyone
wanted to actually use these, they'd need to add more states to the
FSM rather than just improve or override this method. r N)r )r@ r r r r r
re Z s
zANSI.do_modecrapN)r= r> )
rC rD rE rF r? ri rj r9 rl r rb rd re r r r r
rG � s
S !rG ) rF � r r rc r r
r r r r r r r r r r r# r$ r& r) r+ r- r. r/ r0 r1 r3 r; r< rG r r r r
�<module> s: