#!/usr/bin/env python

# Copyright (c) 2006-2012 ActiveState Software Inc.

# See LICENSE.txt for license details.

"""Twig support for codeintel"""

import logging

from codeintel2.common import *

from codeintel2.langintel import LangIntel

from codeintel2.udl import UDLLexer, UDLBuffer, UDLCILEDriver, XMLParsingBufferMixin

if _xpcom_:

from xpcom.server import UnwrapObject

#---- globals

lang = "Twig"

log = logging.getLogger("codeintel.twig")

twig_keywords = [

"and",

"as",

"b-and",

"b-or",

"b-xor",

"by",

"in",

"not",

"or",

]

twig_keywords2 = [

"attribute",

"block",

"constant",

"cycle",

"date",

"dump",

"parent",

"random",

"range",

"constant",

"defined",

"divisibleby",

"empty",

"even",

"iterable",

"null",

"odd",

"sameas",

]

twig_keywords += twig_keywords2

twig_tags = [

"autoescape",

"block",

"do",

"embed",

"extends",

"filter",

"flush",

"for",

"from",

"if",

"import",

"include",

"macro",

"raw",

"sandbox",

"set",

"spaceless",

"use",

# end tags

"endautoescape",

"endblock",

"endcomment",

"endembed",

"endfilter",

"endfor",

"endif",

"endmacro",

"endraw",

"endsandbox",

"endspaceless",

"endwith",

]

twig_default_filter_names = [

# These are default filter names in twig

"capitalize",

"convert_encoding",

"date",

"default",

"escape",

"format",

"join",

"json_encode",

"keys",

"length",

"lower",

"merge",

"nl2br",

"number_format",

"raw",

"replace",

"reverse",

"slice",

"sort",

"striptags",

"title",

"trim",

"upper",

"url_encode",

]

#---- language support

class TwigLexer(UDLLexer):

lang = lang

class TwigBuffer(UDLBuffer, XMLParsingBufferMixin):

lang = lang

tpl_lang = lang

m_lang = "HTML"

css_lang = "CSS"

csl_lang = "JavaScript"

ssl_lang = "Twig"

# Characters that should close an autocomplete UI:

# - wanted for XML completion: ">'\" "

# - wanted for CSS completion: " ('\";},.>"

# - wanted for JS completion: "~`!@#%^&*()-=+{}[]|\\;:'\",.<>?/ "

# - dropping ':' because I think that may be a problem for XML tag

# completion with namespaces (not sure of that though)

# - dropping '[' because need for "<!<|>" -> "<![CDATA[" cpln

# - dropping '-' because causes problem with CSS (bug 78312)

# - dropping '!' because causes problem with CSS "!important" (bug 78312)

cpln_stop_chars = "'\" (;},~`@#%^&*()=+{}]|\\;,.<>?/"

class TwigLangIntel(LangIntel):

lang = lang

# Used by ProgLangTriggerIntelMixin.preceding_trg_from_pos()

trg_chars = tuple('| ')

calltip_trg_chars = tuple()

def trg_from_pos(self, buf, pos, implicit=True, DEBUG=False):

"""

CODE CONTEXT RESULT

'{<|>' anywhere tag names, i.e. {% if %}

'foo|<|>' filters filter names, i.e. {{ foo|capfirst }}

"""

# DEBUG = True # not using 'logging' system, because want to be fast

if DEBUG:

print("\n----- Twig trg_from_pos(pos=%r, implicit=%r) -----"\

% (pos, implicit))

if pos < 2:

return None

accessor = buf.accessor

last_pos = pos - 1

last_char = accessor.char_at_pos(last_pos)

if DEBUG:

print(" last_pos: %s" % last_pos)

print(" last_char: %r" % last_char)

print('accessor.text_range(last_pos-2, last_pos): %r' % (accessor.text_range(last_pos-2, last_pos), ))

if last_char == " " and \

accessor.text_range(last_pos-2, last_pos) == "{%":

if DEBUG:

print(" triggered: 'complete-tags'")

return Trigger(lang, TRG_FORM_CPLN,

"complete-tags", pos, implicit)

if last_char == "|":

if DEBUG:

print(" triggered: 'complete-filters'")

return Trigger(lang, TRG_FORM_CPLN,

"complete-filters", pos, implicit)

_twigtag_cplns = [("element", t) for t in sorted(twig_tags)]

_twigfilter_cplns = [("function", t) for t in sorted(

twig_default_filter_names)]

def async_eval_at_trg(self, buf, trg, ctlr):

if _xpcom_:

trg = UnwrapObject(trg)

ctlr = UnwrapObject(ctlr)

ctlr.start(buf, trg)

# Twig tag completions

if trg.id == (lang, TRG_FORM_CPLN, "complete-tags"):

ctlr.set_cplns(self._twigtag_cplns)

ctlr.done("success")

return

if trg.id == (lang, TRG_FORM_CPLN, "complete-filters"):

ctlr.set_cplns(self._twigfilter_cplns)

ctlr.done("success")

return

ctlr.done("success")

class TwigCILEDriver(UDLCILEDriver):

lang = lang

csl_lang = "JavaScript"

tpl_lang = "Twig"

#---- registration

def register(mgr):

"""Register language support with the Manager."""

mgr.set_lang_info(lang,

silvercity_lexer=TwigLexer(),

buf_class=TwigBuffer,

langintel_class=TwigLangIntel,

import_handler_class=None,

cile_driver_class=TwigCILEDriver,

is_cpln_lang=True)