149 lines
5.4 KiB
Python
149 lines
5.4 KiB
Python
import os
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import sys
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from mode import Fundamental
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from method import Method
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from lex import Grammar, PatternRule, RegionRule
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from mode.text import TextInsertSpace
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class ArgumentGrammar(Grammar): rules = [PatternRule('data', '[^}]+')]
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class StringGrammar1(Grammar): rules = [PatternRule('data', "[^']+")]
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class StringGrammar2(Grammar): rules = [PatternRule('data', "(?:[^']|'(?!'))+")]
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class FalseGrammar(Grammar):
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rules = [
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PatternRule('data', r'[^\\]+'),
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RegionRule('comment', r'\\if', None, r'\\fi'),
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]
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class LatexGrammar(Grammar):
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rules = [
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PatternRule('comment', r'\%.*$'),
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RegionRule('comment', r'\\iffalse', FalseGrammar, r'\\fi'),
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PatternRule('latex.wrapper', r'\\(?:begin|end)'),
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PatternRule('latex.control', r'\\[a-zA-Z]+'),
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RegionRule('latex.argument', r'{', ArgumentGrammar, r'}'),
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RegionRule('latex.string', r"``", StringGrammar2, r"''"),
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RegionRule('latex.string', r"`", StringGrammar1, r"'"),
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PatternRule('latex.escaped', r'\\.'),
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PatternRule('latex.special', r'[{}$^_%~#&]'),
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PatternRule('latex.data', r'[^{}$^_%~#&%\\`]+'),
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]
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class LatexBuild(Method):
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'''Insert a pair of LaTeX-style single-quotes into the buffer'''
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def _getcmd(self, w):
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return w.application.config.get('latex.buildcmd')
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def _build(self, w):
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if w.buffer.changed():
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return (True, 'Build Cancelled: unsaved buffer')
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app = w.application
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buildcmd = self._getcmd(w)
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cmd = "%s '\\batchmode\\input %s' >/dev/null 2>&1" % (buildcmd,
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w.buffer.path)
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status = os.system(cmd)
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if status == 0:
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return (True, 'Build OK')
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else:
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return (False, 'Build Error')
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def _modpath(self, w, ext):
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return os.path.splitext(w.buffer.path)[0] + ext
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def _readlog(self, w):
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logpath = self._modpath(w, '.log')
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f = open(logpath, 'r')
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output = f.read()
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f.close()
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return output
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def _execute(self, w, **vargs):
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(ok, mesg) = self._build(w)
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w.set_error(mesg)
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if not ok:
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output = self._readlog(w)
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bufname = '*%s*' % self.name
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w.application.data_buffer(bufname, output, switch_to=not ok)
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return ok
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class LatexBuildPdf(LatexBuild):
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'''Insert a pair of LaTeX-style single-quotes into the buffer'''
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def _getcmd(self, w):
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return w.application.config.get('latex.pdfbuildcmd')
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class LatexViewPdf(LatexBuildPdf):
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'''Insert a pair of LaTeX-style single-quotes into the buffer'''
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def _execute(self, w, **vargs):
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ok = LatexBuildPdf._execute(self, w, **vargs)
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if ok:
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viewcmd = w.application.config.get('latex.pdfviewcmd')
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pid = os.fork()
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if pid == 0:
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# redirect stdout/stderr to a log file
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f = open('.pmacs-latex-pdf.err', 'a')
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sys.stderr.flush()
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os.dup2(f.fileno(), sys.stderr.fileno())
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sys.stdout.flush()
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os.dup2(f.fileno(), sys.stdout.fileno())
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# ok, now do the exec
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pdfpath = self._modpath(w, '.pdf')
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os.execvp(viewcmd, (viewcmd, pdfpath))
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class LatexInsertSquotes(Method):
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'''Insert a pair of LaTeX-style single-quotes into the buffer'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor("`'")
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w.backward()
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class LatexInsertDquotes(Method):
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'''Insert a pair of LaTeX-style double-quotes into the buffer'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor("``''")
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w.backward()
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w.backward()
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class LatexInsertBraces(Method):
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'''Insert a pair of curly braces into the buffer'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor("{}")
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w.backward()
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class LatexInsertSpace(TextInsertSpace):
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pass
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class LatexCheckSpelling(Method):
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"""Check the spelling of the document via ispell -t"""
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def _execute(self, w, **vargs):
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# -x no backup file
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# -M show context menu
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# -t treat input document as TeX
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w.application.run_external('ispell', '-x', '-M', '-t', w.buffer.path)
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if w.buffer.changed_on_disk():
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w.buffer.reload()
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class Latex(Fundamental):
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name = 'Latex'
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extensions = ['.latex', '.tex']
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commentc = '%'
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grammar = LatexGrammar
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colors = {
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'latex.wrapper': ('magenta', 'default', 'bold'),
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'latex.control': ('blue', 'default', 'bold'),
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'latex.argument.null': ('cyan', 'default', 'bold'),
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'latex.argument.data': ('cyan', 'default', 'bold'),
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}
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config = {
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'latex.buildcmd': 'latex',
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'latex.pdfbuildcmd': 'pdflatex',
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'latex.pdfviewcmd': 'evince',
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}
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actions = [LatexInsertSquotes,
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LatexInsertDquotes, LatexInsertBraces, LatexBuild,
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LatexInsertSpace, LatexBuildPdf, LatexViewPdf,
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LatexCheckSpelling]
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_bindings = {
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'wrap-paragraph': ('M-q',),
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'latex-insert-squotes': ("M-'",),
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'latex-insert-dquotes': ('M-"',),
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'latex-insert-braces': ('M-{',),
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'latex-build': ("C-c C-c", 'C-c B'),
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'latex-insert-space': ('SPACE',),
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'latex-build-pdf': ("C-c C-p",),
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'latex-view-pdf': ('C-c C-v',),
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}
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install = Latex.install
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