# This file is part of python-ly, https://pypi.python.org/pypi/python-ly
#
# Copyright (c) 2008 - 2015 by Wilbert Berendsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
Parses and tokenizes HTML input, recognizing LilyPond in HTML.
"""
from __future__ import unicode_literals
from . import _token
from . import Parser, FallthroughParser
from . import lilypond
[docs]
class String(_token.String):
pass
[docs]
class Tag(_token.Token):
pass
[docs]
class TagEnd(Tag, _token.Leaver):
rx = r"/?>"
[docs]
class AttrName(_token.Token):
rx = r"\w+([-_:]\w+)?"
[docs]
class EqualSign(_token.Token):
rx = "="
[docs]
def update_state(self, state):
state.enter(ParseValue())
[docs]
class Value(_token.Leaver):
rx = r"\w+"
[docs]
class StringDQStart(String, _token.StringStart):
rx = r'"'
[docs]
def update_state(self, state):
state.enter(ParseStringDQ())
[docs]
class StringSQStart(String, _token.StringStart):
rx = r"'"
[docs]
def update_state(self, state):
state.enter(ParseStringSQ())
[docs]
class StringDQEnd(String, _token.StringEnd, _token.Leaver):
rx = r'"'
[docs]
class StringSQEnd(String, _token.StringEnd, _token.Leaver):
rx = r"'"
[docs]
class EntityRef(_token.Character):
rx = r"\&(#\d+|#[xX][0-9A-Fa-f]+|[A-Za-z_:][\w.:_-]*);"
[docs]
class LilyPondTag(Tag):
pass
[docs]
class LilyPondVersionTag(LilyPondTag):
rx = r"<lilypondversion/?>"
[docs]
class LilyPondFileTag(LilyPondTag):
rx = r"</?lilypondfile\b"
[docs]
def update_state(self, state):
state.enter(ParseLilyPondFileOptions())
[docs]
class LilyPondFileTagEnd(LilyPondTag, _token.Leaver):
rx = r"/?>"
[docs]
class LilyPondInlineTag(LilyPondTag):
rx = r"<lilypond\b"
[docs]
def update_state(self, state):
state.enter(ParseLilyPondAttr())
[docs]
class LilyPondCloseTag(LilyPondTag, _token.Leaver):
rx = r"</lilypond>"
[docs]
class LilyPondTagEnd(LilyPondTag):
rx = r">"
[docs]
def update_state(self, state):
state.replace(ParseLilyPond())
[docs]
class LilyPondInlineTagEnd(LilyPondTag, _token.Leaver):
rx = r"/?>"
[docs]
class SemiColon(_token.Token):
rx = r":"
[docs]
def update_state(self, state):
state.replace(ParseLilyPondInline())
# Parsers:
[docs]
class ParseHTML(Parser):
mode = "html"
items = (
_token.Space,
LilyPondVersionTag,
LilyPondFileTag,
LilyPondInlineTag,
CommentStart,
TagStart,
EntityRef,
)
[docs]
class ParseAttr(Parser):
items = (
_token.Space,
TagEnd,
AttrName,
EqualSign,
StringDQStart,
StringSQStart,
)
[docs]
class ParseStringDQ(Parser):
default = String
items = (
StringDQEnd,
EntityRef,
)
[docs]
class ParseStringSQ(Parser):
default = String
items = (
StringSQEnd,
EntityRef,
)
[docs]
class ParseValue(FallthroughParser):
"""Finds a value or drops back."""
items = (
_token.Space,
Value,
)
[docs]
def fallthrough(self, state):
state.leave()
[docs]
class ParseLilyPondAttr(Parser):
items = (
_token.Space,
AttrName,
EqualSign,
StringDQStart,
StringSQStart,
LilyPondTagEnd,
SemiColon,
)
[docs]
class ParseLilyPondFileOptions(Parser):
items = (
_token.Space,
AttrName,
EqualSign,
StringDQStart,
StringSQStart,
LilyPondFileTagEnd,
)
[docs]
class ParseLilyPond(lilypond.ParseGlobal):
items = (
LilyPondCloseTag,
) + lilypond.ParseGlobal.items
[docs]
class ParseLilyPondInline(lilypond.ParseMusic):
items = (
LilyPondInlineTagEnd,
) + lilypond.ParseMusic.items