ó ±xYc@sldZddlmZddlmZmZddlmZddlm Z d Z defd „ƒYZ d S( u" Completer for a regular grammar. iÿÿÿÿ(tunicode_literals(t Completert Completion(tDocumenti(t_CompiledGrammaruGrammarCompletertGrammarCompletercBs2eZdZd„Zd„Zd„Zd„ZRS(uf Completer which can be used for autocompletion according to variables in the grammar. Each variable can have a different autocompleter. :param compiled_grammar: `GrammarCompleter` instance. :param completers: `dict` mapping variable names of the grammar to the `Completer` instances to be used for each variable. cCs@t|tƒst‚t|tƒs*t‚||_||_dS(N(t isinstanceRtAssertionErrortdicttcompiled_grammart completers(tselfR R ((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pyt__init__s ccsS|jj|jƒ}|rO|j|j||ƒƒ}x|D] }|Vq=WndS(N(R t match_prefixttext_before_cursort_remove_duplicatest_get_completions_for_match(R tdocumenttcomplete_eventtmt completionstc((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pytget_completions s  c csøxñ|jƒD]ã}|j}|j}|jj|ƒ}|r |j}|jj||ƒ}t|t |ƒƒ} x}|j | |ƒD]f} |t |ƒ| j  | j } t d|jj|| ƒd|t |jƒd| jd| jƒVqƒWq q WdS(u° Yield all the possible completions for this input string. (The completer assumes that the cursor position was at the end of the input string.) ttexttstart_positiontdisplayt display_metaN(t end_nodestvarnametstartR tgettvalueR tunescapeRtlenRRRRtescapetstringRR( R tmatchRtmatch_variableRRt completerRtunwrapped_textRt completiontnew_text((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pyR*s    cCs7g}x*|D]"}||kr |j|ƒq q W|S(uÇ Remove duplicates, while keeping the order. (Sometimes we have duplicates, because the there several matches of the same grammar, each yielding similar completions.) (tappend(R titemstresultti((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pyRJs   (t__name__t __module__t__doc__R RRR(((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pyRs   N(uGrammarCompleter( R0t __future__Rtprompt_toolkit.completionRRtprompt_toolkit.documentRtcompilerRt__all__R(((sRlib/python2.7/site-packages/prompt_toolkit/contrib/regular_languages/completion.pyts