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novelWriter/novelwriter/text/patterns.py
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Veronica Berglyd Olsen 37268b873a Add URL regex pattern
2024-10-25 23:18:22 +02:00

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"""
novelWriter Text Pattern Functions
====================================
File History:
Created: 2024-06-01 [2.5ec1]
This file is a part of novelWriter
Copyright 20182024, Veronica Berglyd Olsen
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 3 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, see <https://www.gnu.org/licenses/>.
"""
from __future__ import annotations
import re
from novelwriter import CONFIG
from novelwriter.constants import nwRegEx
class RegExPatterns:
# Static RegExes
_rxUrl = re.compile(nwRegEx.URL, re.ASCII)
_rxWords = re.compile(nwRegEx.WORDS, re.UNICODE)
_rxBreak = re.compile(nwRegEx.BREAK, re.UNICODE)
_rxItalic = re.compile(nwRegEx.FMT_EI, re.UNICODE)
_rxBold = re.compile(nwRegEx.FMT_EB, re.UNICODE)
_rxStrike = re.compile(nwRegEx.FMT_ST, re.UNICODE)
_rxSCPlain = re.compile(nwRegEx.FMT_SC, re.UNICODE)
_rxSCValue = re.compile(nwRegEx.FMT_SV, re.UNICODE)
@property
def url(self) -> re.Pattern:
"""Find URLs."""
return self._rxUrl
@property
def wordSplit(self) -> re.Pattern:
"""Split text into words."""
return self._rxWords
@property
def lineBreak(self) -> re.Pattern:
"""Find forced line break."""
return self._rxBreak
@property
def markdownItalic(self) -> re.Pattern:
"""Markdown italic style."""
return self._rxItalic
@property
def markdownBold(self) -> re.Pattern:
"""Markdown bold style."""
return self._rxBold
@property
def markdownStrike(self) -> re.Pattern:
"""Markdown strikethrough style."""
return self._rxStrike
@property
def shortcodePlain(self) -> re.Pattern:
"""Plain shortcode style."""
return self._rxSCPlain
@property
def shortcodeValue(self) -> re.Pattern:
"""Plain shortcode style."""
return self._rxSCValue
@property
def dialogStyle(self) -> re.Pattern:
"""Dialogue detection rule based on user settings."""
symO = ""
symC = ""
if CONFIG.dialogStyle in (1, 3):
symO += CONFIG.fmtSQuoteOpen
symC += CONFIG.fmtSQuoteClose
if CONFIG.dialogStyle in (2, 3):
symO += CONFIG.fmtDQuoteOpen
symC += CONFIG.fmtDQuoteClose
rxEnd = "|$" if CONFIG.allowOpenDial else ""
return re.compile(f"\\B[{symO}].*?(?:[{symC}]\\B{rxEnd})", re.UNICODE)
@property
def dialogLine(self) -> re.Pattern:
"""Dialogue line rule based on user settings."""
sym = re.escape(CONFIG.dialogLine)
return re.compile(f"^{sym}.*?$", re.UNICODE)
@property
def narratorBreak(self) -> re.Pattern:
"""Dialogue narrator break rule based on user settings."""
sym = re.escape(CONFIG.narratorBreak)
return re.compile(f"\\B{sym}\\S.*?\\S{sym}\\B", re.UNICODE)
@property
def altDialogStyle(self) -> re.Pattern:
"""Dialogue alternative rule based on user settings."""
symO = re.escape(CONFIG.altDialogOpen)
symC = re.escape(CONFIG.altDialogClose)
return re.compile(f"\\B{symO}.*?{symC}\\B", re.UNICODE)
REGEX_PATTERNS = RegExPatterns()