Current File : //lib64/python3.8/__pycache__/shlex.cpython-38.pyc
U
e5d
4 � @ s� d Z ddlZddlZddlZddlmZ ddlmZ ddddgZG d d� d�Z dd d�Z
d
d� Z e� dej
�jZdd� Zdd� Zedkr�eej�dkr�ee � � n,ejd Zee��Zee ee�� W 5 Q R X dS )�8A lexical analyzer class for simple shell-like syntaxes.� N)�deque)�StringIO�shlex�split�quote�joinc @ sr e Zd ZdZddd�Zedd� �Zdd � Zdd
d �Zd d
� Z dd� Z
dd� Z dd� Z d dd�Z
dd� Zdd� ZdS ) r r NFc C s t |t�rt|�}|d k r(|| _|| _ntj| _d | _|| _|rHd | _nd| _d| _ d| _
| jrn| j
d7 _
d| _ d| _ d| _
d| _d | _d
| _t� | _d | _d | _d| _t� | _d | _|s�d}n |d
kr�d}|| _|�rt� | _| j
d7 _
| j
�t� |��}| j
� |�| _
d S )N� �#Z?abcdfeghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_u| ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞz
Fz'"�\�"� � r Tz();<>|&z~-./*?=) �
isinstance�strr �instream�infile�sys�stdin�posix�eof�
commenters� wordchars�
whitespace�whitespace_split�quotes�escape�
escapedquotes�stater �pushback�lineno�debug�token� filestack�source�_punctuation_chars�_pushback_chars� maketrans�dict�fromkeys� translate)�selfr r r �punctuation_chars�t� r. � /usr/lib64/python3.8/shlex.py�__init__ sJ
zshlex.__init__c C s | j S �N)r% �r+ r. r. r/ r, D s zshlex.punctuation_charsc C s* | j dkrtdt|� � | j�|� dS )z:Push a token onto the stack popped by the get_token methodr zshlex: pushing token N)r! �print�reprr �
appendleft)r+ �tokr. r. r/ �
push_tokenH s
zshlex.push_tokenc C sp t |t�rt|�}| j�| j| j| jf� || _|| _d| _| jrl|dk r\t d| jf � nt d| jf � dS )z9Push an input source onto the lexer's input source stack.r Nzshlex: pushing to file %szshlex: pushing to stream %s)
r r r r# r5 r r r r! r3 )r+ � newstream�newfiler. r. r/ � push_sourceN s
zshlex.push_sourcec C sD | j �� | j�� \| _| _ | _| jr:td| j | jf � d| _dS )zPop the input source stack.z shlex: popping to %s, line %dr
N) r �closer# �popleftr r r! r3 r r2 r. r. r/ �
pop_source\ s
�zshlex.pop_sourcec C s� | j r.| j �� }| jdkr*tdt|� � |S | �� }| jdk rz|| jkrz| �| �� �}|rp|\}}| �||� | � � }q@|| j
kr�| j s�| j
S | � � | � � }qz| jdkr�|| j
kr�tdt|� � ntd� |S )zBGet a token from the input stream (or from stack if it's nonempty)r zshlex: popping token Nz
shlex: token=zshlex: token=EOF)
r r< r! r3 r4 �
read_tokenr$ �
sourcehookr: � get_tokenr r# r= )r+ r6 �raw�specr9 r8 r. r. r/ r@ e s.
zshlex.get_tokenc C s� d}d}| j r | jr | j�� }n | j�d�}|dkrB| jd7 _| jdkr^td| j|f � | jd krtd| _ �q�q| jdk�r�|s�d | _�q��q�|| j
kr�| jdkr�td � | j s�| j r|r�q�nqn�|| j kr�| j�
� | jd7 _n�| j �r || jk�r d
}|| _n�|| jk�r&|| _ d
| _nr|| j k�r@|| _ d | _nX|| jk�rb| j �sZ|| _ || _n6| j�rx|| _ d
| _n || _ | j �s�| j r|r�q�nqq| j| jk�rDd }|�s�| jdk�r�td
� td��|| jk�r| j �s�| j |7 _ d| _�q�nd
| _n>| j �r4|| jk�r4| j| jk�r4| j}|| _n| j |7 _ q| j| jk�r�|�st| jdk�rltd� td��|| jk�r�|| jk�r�||k�r�| j | j7 _ | j |7 _ || _q| jdkr|�s�d | _�q�q|| j
k�r| jdk�r�td� d| _| j �s�| j r|r�q�nqq|| j k�rh| j�
� | jd7 _| j �r�d| _| j �s�| j r|r�q�nqq| jd k�r�|| j k�r�| j |7 _ n"|| j
k�r�| j�|� d| _�q�q| j �r�|| jk�r�|| _q| j �r�|| jk�r�d
}|| _q|| jk�s || jk�s | j�r,|| j k�r,| j |7 _ q| j �rB| j�|� n | j�|� | jdk�rbtd� d| _| j �s�| j r|r�q�qqq| j }d| _ | j �r�|�s�|dk�r�d }| jdk�r�|�r�tdt|� � ntd� |S )NFr
r �
� z&shlex: in state %r I see character: %rr � z+shlex: I see whitespace in whitespace state�a�cTz shlex: I see EOF in quotes statezNo closing quotationz shlex: I see EOF in escape statezNo escaped character)rF rG z%shlex: I see whitespace in word statez&shlex: I see punctuation in word statezshlex: raw token=zshlex: raw token=EOF)r, r& �popr �readr r! r3 r r" r r r �readliner r r r �
ValueErrorr �appendr r5 r4 )r+ ZquotedZ escapedstateZnextchar�resultr. r. r/ r> � s
�
� ��
�� zshlex.read_tokenc C sV |d dkr|dd� }t | jt�rHtj�|�sHtj�tj�| j�|�}|t|d�fS )z(Hook called on a filename to be sourced.r r r ����r) r r r �os�path�isabsr �dirname�open)r+ r9 r. r. r/ r? s
zshlex.sourcehookc C s( |dkr| j }|dkr | j}d||f S )z<Emit a C-compiler-like, Emacs-friendly error-message leader.Nz"%s", line %d: )r r )r+ r r r. r. r/ � error_leader s
zshlex.error_leaderc C s | S r1 r. r2 r. r. r/ �__iter__( s zshlex.__iter__c C s | � � }|| jkrt�|S r1 )r@ r �
StopIteration)r+ r" r. r. r/ �__next__+ s
zshlex.__next__)NNFF)N)NN)�__name__�
__module__� __qualname__�__doc__r0 �propertyr, r7 r: r= r@ r> r? rU rV rX r. r. r. r/ r s �
/
FTc C s$ t | |d�}d|_|s d|_t|�S )z-Split the string *s* using shell-like syntax.)r Tr )r r r �list)�sZcommentsr Zlexr. r. r/ r 1 s
c C s d� dd� | D ��S )z3Return a shell-escaped string from *split_command*.r
c s s | ]}t |�V qd S r1 )r )�.0�argr. r. r/ � <genexpr>< s zjoin.<locals>.<genexpr>)r )Z
split_commandr. r. r/ r : s z[^\w@%+=:,./-]c C s, | sdS t | �dkr| S d| �dd� d S )z1Return a shell-escaped version of the string *s*.z''N�'z'"'"')� _find_unsafe�replace)r_ r. r. r/ r A s
c C s$ | � � }|sq tdt|� � q d S )NzToken: )r@ r3 r4 )ZlexerZttr. r. r/ �
_print_tokensM s rf �__main__r )FT)r\ rP �rer � collectionsr �ior �__all__r r r �compile�ASCII�searchrd r rf rY �len�argv�fnrT �fr. r. r. r/ �<module> s(
Mini Shell