pmacs3/mode/latex.py

137 lines
5.2 KiB
Python

import commands, curses, os
import color, method, mode
from lex import Grammar, PatternRule, RegionRule
from mode.text import TextInsertSpace
class LatexGrammar(Grammar):
rules = [
PatternRule(r'comment', r'\%.*$'),
PatternRule(r'latex_wrapper', r'\\(?:begin|end)'),
PatternRule(r'latex_control', r'\\[a-zA-Z]+'),
RegionRule(r'latex_argument', r'{', None, r'}'),
RegionRule(r'latex_string', r"``", None, r"''"),
RegionRule(r'latex_string', r"`", None, r"'"),
PatternRule(r'latex_escaped', r'\\.'),
PatternRule(r'latex_special', r'[{}$^_%~#&]'),
]
class LatexBuild(method.Method):
'''Insert a pair of LaTeX-style single-quotes into the buffer'''
def _getcmd(self, w):
return w.application.config.get('latex.buildcmd')
def _build(self, w):
if w.buffer.changed():
return (True, 'Build Cancelled: unsaved buffer')
app = w.application
buildcmd = self._getcmd(w)
cmd = "%s '\\batchmode\\input %s' >/dev/null 2>&1" % (buildcmd,
w.buffer.path)
status = os.system(cmd)
if status == 0:
return (True, 'Build OK')
else:
return (False, 'Build Error')
def _modpath(self, w, ext):
return os.path.splitext(w.buffer.path)[0] + ext
def _readlog(self, w):
logpath = self._modpath(w, '.log')
f = open(logpath, 'r')
output = f.read()
f.close()
return output
def _execute(self, w, **vargs):
(ok, mesg) = self._build(w)
w.set_error(mesg)
if not ok:
output = self._readlog(w)
bufname = '*%s*' % self.name
w.application.data_buffer(bufname, output, switch_to=not ok)
return ok
class LatexBuildPdf(LatexBuild):
'''Insert a pair of LaTeX-style single-quotes into the buffer'''
def _getcmd(self, w):
return w.application.config.get('latex.pdfbuildcmd')
class LatexViewPdf(LatexBuildPdf):
'''Insert a pair of LaTeX-style single-quotes into the buffer'''
def _execute(self, w, **vargs):
ok = LatexBuildPdf._execute(self, w, **vargs)
if ok:
viewcmd = w.application.config.get('latex.pdfviewcmd')
pid = os.fork()
if pid == 0:
pdfpath = self._modpath(w, '.pdf')
os.execvp(viewcmd, (viewcmd, pdfpath))
class LatexCommentRegion(method.CommentRegion):
commentc = '%'
class LatexUncommentRegion(method.UncommentRegion):
commentc = '%'
class LatexInsertSquotes(method.Method):
'''Insert a pair of LaTeX-style single-quotes into the buffer'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor("`'")
w.backward()
class LatexInsertDquotes(method.Method):
'''Insert a pair of LaTeX-style double-quotes into the buffer'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor("``''")
w.backward()
w.backward()
class LatexInsertBraces(method.Method):
'''Insert a pair of curly braces into the buffer'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor("{}")
w.backward()
class LatexInsertSpace(TextInsertSpace):
pass
class LatexCheckSpelling(method.Method):
"""Check the spelling of the document via ispell -t"""
def _execute(self, w, **vargs):
# -x no backup file
# -M show context menu
# -t treat input document as TeX
w.application.run_external('ispell', '-x', '-M', '-t', w.buffer.path)
if w.buffer.changed_on_disk():
w.buffer.reload()
class Latex(mode.Fundamental):
modename = 'Latex'
extensions = ['.latex', '.tex']
grammar = LatexGrammar
colors = {
'latex_wrapper': ('magenta', 'default', 'bold'),
'latex_control': ('blue', 'default', 'bold'),
'latex_argument.null': ('cyan', 'default', 'bold'),
'latex_string.start': ('green', 'default', 'bold'),
'latex_string.null': ('green', 'default', 'bold'),
'latex_string.end': ('green', 'default', 'bold'),
'latex_escaped': ('magenta', 'default', 'bold'),
}
config = {
'latex.buildcmd': 'latex',
'latex.pdfbuildcmd': 'pdflatex',
'latex.pdfviewcmd': 'evince',
}
actions = [LatexCommentRegion, LatexUncommentRegion, LatexInsertSquotes,
LatexInsertDquotes, LatexInsertBraces, LatexBuild,
LatexInsertSpace, LatexBuildPdf, LatexViewPdf,
LatexCheckSpelling]
def __init__(self, w):
mode.Fundamental.__init__(self, w)
self.add_bindings('wrap-paragraph', ('M-q',))
self.add_bindings('latex-comment-region', ('C-c #', "C-c \%"))
self.add_bindings('latex-uncomment-region', ('C-u C-c #', "C-u C-c \%"))
self.add_bindings('latex-insert-squotes', ("M-'",))
self.add_bindings('latex-insert-dquotes', ('M-"',))
self.add_bindings('latex-insert-braces', ('M-{',))
self.add_bindings('latex-build', ("C-c C-c", 'C-c B'))
self.add_bindings('latex-insert-space', ('SPACE',))
self.add_bindings('latex-build-pdf', ("C-c C-p",))
self.add_bindings('latex-view-pdf', ('C-c C-v',))
install = Latex.install