Veronica K. B. Olsen
156 lines
5.0 KiB
Python
156 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
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"""novelWriter LaTeX Converter
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novelWriter – LaTeX Converter
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===============================
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Extends the Tokenizer class to write LaTeX
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File History:
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Created: 2019-10-24 [0.3.1]
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"""
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import textwrap
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import logging
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import re
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import nw
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from nw.convert.tokenizer import Tokenizer
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logger = logging.getLogger(__name__)
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class ToLaTeX(Tokenizer):
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def __init__(self, theProject, theParent):
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Tokenizer.__init__(self, theProject, theParent)
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return
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def doAutoReplace(self):
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Tokenizer.doAutoReplace(self)
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repDict = {
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"\u2013" : "--",
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"\u2014" : "---",
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"\u2500" : "---",
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"\u2026" : "...",
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}
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xRep = re.compile("|".join([re.escape(k) for k in repDict.keys()]), flags=re.DOTALL)
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self.theText = xRep.sub(lambda x: repDict[x.group(0)], self.theText)
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return
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def doConvert(self):
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texTags = {
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self.FMT_B_B : r"\textbf{",
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self.FMT_B_E : r"}",
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self.FMT_I_B : r"\textit{",
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self.FMT_I_E : r"}",
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self.FMT_U_B : r"\underline{",
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self.FMT_U_E : r"}",
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}
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if self.wordWrap > 0:
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tWrap = textwrap.TextWrapper(
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width = self.wordWrap,
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initial_indent = "",
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subsequent_indent = "",
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expand_tabs = True,
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replace_whitespace = True,
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fix_sentence_endings = False,
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break_long_words = True,
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drop_whitespace = True,
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break_on_hyphens = True,
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tabsize = 8,
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max_lines = None
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)
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tComm = textwrap.TextWrapper(
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width = self.wordWrap-2,
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initial_indent = "",
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subsequent_indent = "",
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expand_tabs = True,
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replace_whitespace = True,
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fix_sentence_endings = False,
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break_long_words = True,
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drop_whitespace = True,
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break_on_hyphens = True,
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tabsize = 8,
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max_lines = None
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)
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self.theResult = ""
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thisPar = []
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for tType, tText, tFormat, tAlign in self.theTokens:
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begText = ""
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endText = "\n"
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if tAlign == self.A_CENTRE:
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begText = "\\begin{center}\n"
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endText = "\\end{center}\n\n"
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# First check if we have a comment or plain text, as they need some
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# extra replacing before we proceed to wrapping and final formatting.
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if tType == self.T_COMMENT:
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tText = "%% %s" % tText
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elif tType == self.T_TEXT:
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tTemp = tText
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for xPos, xLen, xFmt in reversed(tFormat):
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tTemp = tTemp[:xPos]+texTags[xFmt]+tTemp[xPos+xLen:]
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tText = tTemp
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tLen = len(tText)
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# The text can now be word wrapped, if we have requested this and it's needed.
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if self.wordWrap > 0 and tLen > self.wordWrap:
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if tType == self.T_COMMENT:
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aText = tComm.wrap(tText)
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tText = "\n% ".join(aText)
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else:
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tText = tWrap.fill(tText)
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# Then the text can receive final formatting before we append it to the results.
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# We also store text lines in a buffer and merge them only when we find an empty line,
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# indicating a new paragraph.
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if tType == self.T_EMPTY:
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if len(thisPar) > 0:
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self.theResult += begText
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self.theResult += "%s\n" % tWrap.fill(" ".join(thisPar))
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self.theResult += endText
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thisPar = []
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elif tType == self.T_HEAD1:
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self.theResult += begText
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self.theResult += "{\\Huge %s}\n" % tText
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self.theResult += endText
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elif tType == self.T_HEAD2:
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self.theResult += "\\chapter*{%s}\n\n" % tText
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elif tType == self.T_HEAD3:
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self.theResult += "\\section*{%s}\n\n" % tText
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elif tType == self.T_HEAD4:
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self.theResult += "\\subsection*{%s}\n\n" % tText
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elif tType == self.T_SEP:
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self.theResult += begText
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self.theResult += "%s\n" % tText
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self.theResult += endText
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elif tType == self.T_TEXT:
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thisPar.append(tText)
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elif tType == self.T_PBREAK:
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self.theResult += "\\newpage\n\n"
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elif tType == self.T_COMMENT and self.doComments:
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self.theResult += "%s\n\n" % tText
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elif tType == self.T_COMMAND and self.doCommands:
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self.theResult += "%% @%s\n\n" % tText
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return
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# END Class ToLaTeX
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