mirror of
https://github.com/sphinx-doc/sphinx.git
synced 2025-02-25 18:55:22 -06:00
1087 lines
38 KiB
Python
1087 lines
38 KiB
Python
# -*- coding: utf-8 -*-
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"""
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sphinx.latexwriter
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~~~~~~~~~~~~~~~~~~
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Custom docutils writer for LaTeX.
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Much of this code is adapted from Dave Kuhlman's "docpy" writer from his
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docutils sandbox.
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:copyright: 2007-2008 by Georg Brandl, Dave Kuhlman.
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:license: BSD.
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"""
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import re
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import sys
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import time
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from os import path
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from docutils import nodes, writers
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from sphinx import addnodes
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from sphinx import highlighting
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from sphinx.util.smartypants import educateQuotesLatex
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# XXX: Move to a template?
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HEADER = r'''%% Generated by Sphinx.
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\documentclass[%(papersize)s,%(pointsize)s]{%(docclass)s}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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\title{%(title)s}
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\date{%(date)s}
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\release{%(release)s}
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\author{%(author)s}
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\newcommand{\sphinxlogo}{%(logo)s}
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%(preamble)s
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\makeindex
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'''
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FOOTER = r'''
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\printindex
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\end{document}
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'''
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GRAPHICX = r'''
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%% Check if we are compiling under latex or pdflatex.
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\ifx\pdftexversion\undefined
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\usepackage{graphicx}
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\else
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\usepackage[pdftex]{graphicx}
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\fi
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'''
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class LaTeXWriter(writers.Writer):
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supported = ('sphinxlatex',)
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settings_spec = ('No options here.', '', ())
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settings_defaults = {}
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output = None
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def __init__(self, builder):
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writers.Writer.__init__(self)
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self.builder = builder
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def translate(self):
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visitor = LaTeXTranslator(self.document, self.builder)
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self.document.walkabout(visitor)
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self.output = visitor.astext()
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# Helper classes
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class Table(object):
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def __init__(self):
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self.col = 0
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self.colcount = 0
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self.colspec = None
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self.had_head = False
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self.has_verbatim = False
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class Desc(object):
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def __init__(self, node):
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self.env = LaTeXTranslator.desc_map.get(node['desctype'], 'describe')
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self.ni = node['noindex']
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self.type = self.cls = self.name = self.params = ''
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self.count = 0
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class LaTeXTranslator(nodes.NodeVisitor):
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sectionnames = ["part", "chapter", "section", "subsection",
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"subsubsection", "paragraph", "subparagraph"]
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def __init__(self, document, builder):
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nodes.NodeVisitor.__init__(self, document)
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self.builder = builder
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self.body = []
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docclass = document.settings.docclass
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paper = builder.config.latex_paper_size + 'paper'
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if paper == 'paper': # e.g. command line "-D latex_paper_size="
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paper = 'letterpaper'
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date = time.strftime(builder.config.today_fmt)
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logo = (builder.config.latex_logo and
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"\\includegraphics{%s}\\par" % path.basename(builder.config.latex_logo)
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or '')
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self.options = {'docclass': docclass,
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'papersize': paper,
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'pointsize': builder.config.latex_font_size,
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'preamble': builder.config.latex_preamble,
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'modindex': builder.config.latex_use_modindex,
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'author': document.settings.author,
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'docname': document.settings.docname,
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# if empty, the title is set to the first section title
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'title': document.settings.title,
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'release': builder.config.release,
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'logo': logo,
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'date': date,
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}
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self.highlighter = highlighting.PygmentsBridge(
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'latex', builder.config.pygments_style)
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self.context = []
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self.descstack = []
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self.bibitems = []
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self.table = None
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self.next_table_colspec = None
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self.highlightlang = 'python'
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self.highlightlinenothreshold = sys.maxint
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self.written_ids = set()
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if docclass == 'manual':
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if builder.config.latex_use_parts:
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self.top_sectionlevel = 0
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else:
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self.top_sectionlevel = 1
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else:
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self.top_sectionlevel = 2
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self.next_section_target = None
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# flags
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self.verbatim = None
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self.in_title = 0
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self.in_production_list = 0
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self.first_document = 1
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self.this_is_the_title = 1
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self.literal_whitespace = 0
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self.need_graphicx = 0
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def astext(self):
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return (HEADER % self.options) + \
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(self.options['modindex'] and '\\makemodindex\n' or '') + \
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self.highlighter.get_stylesheet() + \
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(self.need_graphicx and GRAPHICX or '') + \
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'\n\n' + \
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u''.join(self.body) + \
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(self.options['modindex'] and
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'\\renewcommand{\\indexname}{Module Index}'
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'\\printmodindex'
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'\\renewcommand{\\indexname}{Index}\n' or '') + \
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(FOOTER % self.options)
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def visit_document(self, node):
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if self.first_document == 1:
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# the first document is all the regular content ...
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self.body.append('\\begin{document}\n\\maketitle\n\\tableofcontents\n')
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self.first_document = 0
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elif self.first_document == 0:
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# ... and all others are the appendices
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self.body.append('\n\\appendix\n')
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self.first_document = -1
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# "- 1" because the level is increased before the title is visited
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self.sectionlevel = self.top_sectionlevel - 1
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def depart_document(self, node):
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if self.bibitems:
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widest_label = ""
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for bi in self.bibitems:
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if len(widest_label) < len(bi[0]):
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widest_label = bi[0]
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self.body.append('\n\\begin{thebibliography}{%s}\n' % widest_label)
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for bi in self.bibitems:
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# cite_key: underscores must not be escaped
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cite_key = bi[0].replace(r"\_", "_")
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self.body.append('\\bibitem[%s]{%s}{%s}\n' % (bi[0], cite_key, bi[1]))
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self.body.append('\\end{thebibliography}\n')
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self.bibitems = []
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def visit_start_of_file(self, node):
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# This marks the begin of a new file; therefore the current module and
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# class must be reset
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self.body.append('\n\\resetcurrentobjects\n')
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raise nodes.SkipNode
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def visit_highlightlang(self, node):
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self.highlightlang = node['lang']
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self.highlightlinenothreshold = node['linenothreshold']
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raise nodes.SkipNode
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def visit_comment(self, node):
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raise nodes.SkipNode
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def visit_section(self, node):
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if not self.this_is_the_title:
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self.sectionlevel += 1
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self.body.append('\n\n')
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if self.next_section_target:
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self.body.append(r'\hypertarget{%s}{}' % self.next_section_target)
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self.next_section_target = None
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#if node.get('ids'):
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# for id in node['ids']:
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# if id not in self.written_ids:
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# self.body.append(r'\hypertarget{%s}{}' % id)
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# self.written_ids.add(id)
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def depart_section(self, node):
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self.sectionlevel = max(self.sectionlevel - 1, self.top_sectionlevel - 1)
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def visit_problematic(self, node):
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self.body.append(r'{\color{red}\bfseries{}')
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def depart_problematic(self, node):
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self.body.append('}')
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def visit_topic(self, node):
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self.body.append('\\setbox0\\vbox{\n'
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'\\begin{minipage}{0.95\\textwidth}\n')
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def depart_topic(self, node):
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self.body.append('\\end{minipage}}\n'
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'\\begin{center}\\setlength{\\fboxsep}{5pt}'
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'\\shadowbox{\\box0}\\end{center}\n')
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visit_sidebar = visit_topic
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depart_sidebar = depart_topic
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def visit_glossary(self, node):
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pass
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def depart_glossary(self, node):
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pass
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def visit_productionlist(self, node):
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self.body.append('\n\n\\begin{productionlist}\n')
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self.in_production_list = 1
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def depart_productionlist(self, node):
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self.body.append('\\end{productionlist}\n\n')
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self.in_production_list = 0
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def visit_production(self, node):
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if node['tokenname']:
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self.body.append('\\production{%s}{' % self.encode(node['tokenname']))
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else:
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self.body.append('\\productioncont{')
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def depart_production(self, node):
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self.body.append('}\n')
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def visit_transition(self, node):
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self.body.append('\n\n\\bigskip\\hrule{}\\bigskip\n\n')
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def depart_transition(self, node):
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pass
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def visit_title(self, node):
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if isinstance(node.parent, addnodes.seealso):
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# the environment already handles this
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raise nodes.SkipNode
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elif self.this_is_the_title:
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if len(node.children) != 1 and not isinstance(node.children[0], nodes.Text):
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self.builder.warn('document title is not a single Text node')
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if not self.options['title']:
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self.options['title'] = node.astext()
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self.this_is_the_title = 0
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raise nodes.SkipNode
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elif isinstance(node.parent, nodes.section):
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self.body.append(r'\%s{' % self.sectionnames[self.sectionlevel])
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self.context.append('}\n')
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elif isinstance(node.parent, (nodes.topic, nodes.sidebar, nodes.admonition)):
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self.body.append(r'\textbf{')
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self.context.append('}\n\n\medskip\n\n')
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else:
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self.builder.warn('encountered title node not in section, topic, admonition'
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' or sidebar')
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self.body.append('\\textbf{')
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self.context.append('}')
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self.in_title = 1
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def depart_title(self, node):
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self.in_title = 0
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self.body.append(self.context.pop())
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desc_map = {
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'function' : 'funcdesc',
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'class': 'classdesc',
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'method': 'methoddesc',
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'exception': 'excdesc',
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'data': 'datadesc',
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'attribute': 'memberdesc',
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'opcode': 'opcodedesc',
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'cfunction': 'cfuncdesc',
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'cmember': 'cmemberdesc',
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'cmacro': 'csimplemacrodesc',
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'ctype': 'ctypedesc',
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'cvar': 'cvardesc',
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'describe': 'describe',
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# and all others are 'describe' too
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}
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def visit_desc(self, node):
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self.descstack.append(Desc(node))
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def depart_desc(self, node):
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d = self.descstack.pop()
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self.body.append("\\end{%s%s}\n" % (d.env, d.ni and 'ni' or ''))
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def visit_desc_signature(self, node):
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d = self.descstack[-1]
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# reset these for every signature
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d.type = d.cls = d.name = d.params = ''
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def depart_desc_signature(self, node):
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d = self.descstack[-1]
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d.cls = d.cls.rstrip('.')
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if node.parent['desctype'] != 'describe' and node['ids']:
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hyper = '\\hypertarget{%s}{}' % node['ids'][0]
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else:
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hyper = ''
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if d.count == 0:
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t1 = "\n\n%s\\begin{%s%s}" % (hyper, d.env, (d.ni and 'ni' or ''))
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else:
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t1 = "\n%s\\%sline%s" % (hyper, d.env[:-4], (d.ni and 'ni' or ''))
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d.count += 1
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if d.env in ('funcdesc', 'classdesc', 'excclassdesc'):
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t2 = "{%s}{%s}" % (d.name, d.params)
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elif d.env in ('datadesc', 'classdesc*', 'excdesc', 'csimplemacrodesc'):
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t2 = "{%s}" % (d.name)
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elif d.env == 'methoddesc':
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if d.cls:
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t2 = "[%s]{%s}{%s}" % (d.cls, d.name, d.params)
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else:
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t2 = "{%s}{%s}" % (d.name, d.params)
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elif d.env == 'memberdesc':
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if d.cls:
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t2 = "[%s]{%s}" % (d.cls, d.name)
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else:
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t2 = "{%s}" % d.name
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elif d.env == 'cfuncdesc':
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if d.cls:
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# C++ class names
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d.name = '%s::%s' % (d.cls, d.name)
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t2 = "{%s}{%s}{%s}" % (d.type, d.name, d.params)
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elif d.env == 'cmemberdesc':
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try:
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type, container = d.type.rsplit(' ', 1)
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container = container.rstrip('.')
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except ValueError:
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container = ''
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type = d.type
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t2 = "{%s}{%s}{%s}" % (container, type, d.name)
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elif d.env == 'cvardesc':
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t2 = "{%s}{%s}" % (d.type, d.name)
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elif d.env == 'ctypedesc':
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t2 = "{%s}" % (d.name)
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elif d.env == 'opcodedesc':
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t2 = "{%s}{%s}" % (d.name, d.params)
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elif d.env == 'describe':
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t2 = "{%s}" % d.name
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self.body.append(t1 + t2)
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def visit_desc_type(self, node):
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d = self.descstack[-1]
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if d.env == 'describe':
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d.name += self.encode(node.astext())
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else:
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self.descstack[-1].type = self.encode(node.astext().strip())
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raise nodes.SkipNode
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def visit_desc_name(self, node):
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d = self.descstack[-1]
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if d.env == 'describe':
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d.name += self.encode(node.astext())
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else:
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self.descstack[-1].name = self.encode(node.astext().strip())
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raise nodes.SkipNode
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def visit_desc_addname(self, node):
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d = self.descstack[-1]
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if d.env == 'describe':
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d.name += self.encode(node.astext())
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else:
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self.descstack[-1].cls = self.encode(node.astext().strip())
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raise nodes.SkipNode
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def visit_desc_parameterlist(self, node):
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d = self.descstack[-1]
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if d.env == 'describe':
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d.name += self.encode(node.astext())
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else:
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self.descstack[-1].params = self.encode(node.astext().strip())
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raise nodes.SkipNode
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def visit_refcount(self, node):
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self.body.append("\\emph{")
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def depart_refcount(self, node):
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self.body.append("}\\\\")
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def visit_desc_content(self, node):
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if node.children and isinstance(node.children[0], addnodes.desc):
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# avoid empty desc environment which causes a formatting bug
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self.body.append('~')
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def depart_desc_content(self, node):
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pass
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def visit_seealso(self, node):
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self.body.append("\n\n\\begin{seealso}\n")
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def depart_seealso(self, node):
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self.body.append("\n\\end{seealso}\n")
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def visit_rubric(self, node):
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if len(node.children) == 1 and node.children[0].astext() == 'Footnotes':
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raise nodes.SkipNode
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self.builder.warn('encountered rubric node not used for footnotes, '
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'content will be lost')
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def visit_footnote(self, node):
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# XXX not optimal, footnotes are at section end
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num = node.children[0].astext().strip()
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self.body.append('\\footnotetext[%s]{' % num)
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def depart_footnote(self, node):
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self.body.append('}')
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def visit_label(self, node):
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if isinstance(node.parent, nodes.citation):
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self.bibitems[-1][0] = node.astext()
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raise nodes.SkipNode
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|
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def visit_tabular_col_spec(self, node):
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self.next_table_colspec = node['spec']
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raise nodes.SkipNode
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|
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def visit_table(self, node):
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if self.table:
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raise NotImplementedError('Nested tables are not supported.')
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self.table = Table()
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self.tablebody = []
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# Redirect body output until table is finished.
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self._body = self.body
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|
self.body = self.tablebody
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def depart_table(self, node):
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self.body = self._body
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if self.table.has_verbatim:
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self.body.append('\n\\begin{tabular}')
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else:
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self.body.append('\n\\begin{tabulary}{\\textwidth}')
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if self.table.colspec:
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|
self.body.append(self.table.colspec)
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|
else:
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|
if self.table.has_verbatim:
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|
colwidth = 0.95 / self.table.colcount
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colspec = ('p{%.3f\\textwidth}|' % colwidth) * self.table.colcount
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self.body.append('{|' + colspec + '}\n')
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else:
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self.body.append('{|' + ('L|' * self.table.colcount) + '}\n')
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self.body.extend(self.tablebody)
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if self.table.has_verbatim:
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self.body.append('\\end{tabular}\n\n')
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else:
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self.body.append('\\end{tabulary}\n\n')
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self.table = None
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self.tablebody = None
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def visit_colspec(self, node):
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self.table.colcount += 1
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def depart_colspec(self, node):
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pass
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|
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|
def visit_tgroup(self, node):
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pass
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|
def depart_tgroup(self, node):
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pass
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|
|
|
def visit_thead(self, node):
|
|
if self.next_table_colspec:
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self.table.colspec = '{%s}\n' % self.next_table_colspec
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self.next_table_colspec = None
|
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self.body.append('\\hline\n')
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|
self.table.had_head = True
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def depart_thead(self, node):
|
|
self.body.append('\\hline\n')
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|
|
|
def visit_tbody(self, node):
|
|
if not self.table.had_head:
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self.visit_thead(node)
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|
def depart_tbody(self, node):
|
|
self.body.append('\\hline\n')
|
|
|
|
def visit_row(self, node):
|
|
self.table.col = 0
|
|
def depart_row(self, node):
|
|
self.body.append('\\\\\n')
|
|
|
|
def visit_entry(self, node):
|
|
if node.has_key('morerows') or node.has_key('morecols'):
|
|
raise NotImplementedError('Column or row spanning cells are '
|
|
'not implemented.')
|
|
if self.table.col > 0:
|
|
self.body.append(' & ')
|
|
self.table.col += 1
|
|
if isinstance(node.parent.parent, nodes.thead):
|
|
self.body.append('\\textbf{')
|
|
self.context.append('}')
|
|
else:
|
|
self.context.append('')
|
|
def depart_entry(self, node):
|
|
self.body.append(self.context.pop()) # header
|
|
|
|
def visit_acks(self, node):
|
|
# this is a list in the source, but should be rendered as a
|
|
# comma-separated list here
|
|
self.body.append('\n\n')
|
|
self.body.append(', '.join(n.astext() for n in node.children[0].children) + '.')
|
|
self.body.append('\n\n')
|
|
raise nodes.SkipNode
|
|
|
|
def visit_bullet_list(self, node):
|
|
self.body.append('\\begin{itemize}\n' )
|
|
def depart_bullet_list(self, node):
|
|
self.body.append('\\end{itemize}\n' )
|
|
|
|
def visit_enumerated_list(self, node):
|
|
self.body.append('\\begin{enumerate}\n' )
|
|
def depart_enumerated_list(self, node):
|
|
self.body.append('\\end{enumerate}\n' )
|
|
|
|
def visit_list_item(self, node):
|
|
# Append "{}" in case the next character is "[", which would break
|
|
# LaTeX's list environment (no numbering and the "[" is not printed).
|
|
self.body.append(r'\item {} ')
|
|
def depart_list_item(self, node):
|
|
self.body.append('\n')
|
|
|
|
def visit_definition_list(self, node):
|
|
self.body.append('\\begin{description}\n')
|
|
def depart_definition_list(self, node):
|
|
self.body.append('\\end{description}\n')
|
|
|
|
def visit_definition_list_item(self, node):
|
|
pass
|
|
def depart_definition_list_item(self, node):
|
|
pass
|
|
|
|
def visit_term(self, node):
|
|
ctx = ']'
|
|
if node.has_key('ids') and node['ids']:
|
|
ctx += '\\hypertarget{%s}{}' % node['ids'][0]
|
|
self.body.append('\\item[')
|
|
self.context.append(ctx)
|
|
def depart_term(self, node):
|
|
self.body.append(self.context.pop())
|
|
|
|
def visit_classifier(self, node):
|
|
self.body.append('{[}')
|
|
def depart_classifier(self, node):
|
|
self.body.append('{]}')
|
|
|
|
def visit_definition(self, node):
|
|
pass
|
|
def depart_definition(self, node):
|
|
self.body.append('\n')
|
|
|
|
def visit_field_list(self, node):
|
|
self.body.append('\\begin{quote}\\begin{description}\n')
|
|
def depart_field_list(self, node):
|
|
self.body.append('\\end{description}\\end{quote}\n')
|
|
|
|
def visit_field(self, node):
|
|
pass
|
|
def depart_field(self, node):
|
|
pass
|
|
|
|
visit_field_name = visit_term
|
|
depart_field_name = depart_term
|
|
|
|
visit_field_body = visit_definition
|
|
depart_field_body = depart_definition
|
|
|
|
def visit_paragraph(self, node):
|
|
self.body.append('\n')
|
|
def depart_paragraph(self, node):
|
|
self.body.append('\n')
|
|
|
|
def visit_centered(self, node):
|
|
self.body.append('\n\\begin{centering}')
|
|
def depart_centered(self, node):
|
|
self.body.append('\n\\end{centering}')
|
|
|
|
def visit_module(self, node):
|
|
modname = node['modname']
|
|
self.body.append('\n\\declaremodule[%s]{}{%s}' % (modname.replace('_', ''),
|
|
self.encode(modname)))
|
|
self.body.append('\n\\modulesynopsis{%s}' % self.encode(node['synopsis']))
|
|
if node.has_key('platform'):
|
|
self.body.append('\\platform{%s}' % self.encode(node['platform']))
|
|
def depart_module(self, node):
|
|
pass
|
|
|
|
def latex_image_length(self, width_str):
|
|
match = re.match('(\d*\.?\d*)\s*(\S*)', width_str)
|
|
if not match:
|
|
# fallback
|
|
return width_str
|
|
res = width_str
|
|
amount, unit = match.groups()[:2]
|
|
if unit == "px":
|
|
# LaTeX does not know pixels but points
|
|
res = "%spt" % amount
|
|
elif unit == "%":
|
|
res = "%.3f\\linewidth" % (float(amount) / 100.0)
|
|
return res
|
|
|
|
def visit_image(self, node):
|
|
self.need_graphicx = 1
|
|
attrs = node.attributes
|
|
pre = [] # in reverse order
|
|
post = []
|
|
include_graphics_options = []
|
|
inline = isinstance(node.parent, nodes.TextElement)
|
|
if attrs.has_key('scale'):
|
|
# Could also be done with ``scale`` option to
|
|
# ``\includegraphics``; doing it this way for consistency.
|
|
pre.append('\\scalebox{%f}{' % (attrs['scale'] / 100.0,))
|
|
post.append('}')
|
|
if attrs.has_key('width'):
|
|
include_graphics_options.append('width=%s' % (
|
|
self.latex_image_length(attrs['width']), ))
|
|
if attrs.has_key('height'):
|
|
include_graphics_options.append('height=%s' % (
|
|
self.latex_image_length(attrs['height']), ))
|
|
if attrs.has_key('align'):
|
|
align_prepost = {
|
|
# By default latex aligns the top of an image.
|
|
(1, 'top'): ('', ''),
|
|
(1, 'middle'): ('\\raisebox{-0.5\\height}{', '}'),
|
|
(1, 'bottom'): ('\\raisebox{-\\height}{', '}'),
|
|
(0, 'center'): ('{\\hfill', '\\hfill}'),
|
|
# These 2 don't exactly do the right thing. The image should
|
|
# be floated alongside the paragraph. See
|
|
# http://www.w3.org/TR/html4/struct/objects.html#adef-align-IMG
|
|
(0, 'left'): ('{', '\\hfill}'),
|
|
(0, 'right'): ('{\\hfill', '}'),}
|
|
try:
|
|
pre.append(align_prepost[inline, attrs['align']][0])
|
|
post.append(align_prepost[inline, attrs['align']][1])
|
|
except KeyError:
|
|
pass # XXX complain here?
|
|
if not inline:
|
|
pre.append('\n')
|
|
post.append('\n')
|
|
pre.reverse()
|
|
if node['uri'] in self.builder.images:
|
|
uri = self.builder.images[node['uri']]
|
|
else:
|
|
uri = node['uri']
|
|
if uri.find('://') != -1:
|
|
# ignore remote images
|
|
return
|
|
self.body.extend(pre)
|
|
options = ''
|
|
if include_graphics_options:
|
|
options = '[%s]' % ','.join(include_graphics_options)
|
|
self.body.append('\\includegraphics%s{%s}' % (options, uri))
|
|
self.body.extend(post)
|
|
def depart_image(self, node):
|
|
pass
|
|
|
|
def visit_figure(self, node):
|
|
if (not node.attributes.has_key('align') or
|
|
node.attributes['align'] == 'center'):
|
|
# centering does not add vertical space like center.
|
|
align = '\n\\centering'
|
|
align_end = ''
|
|
else:
|
|
# TODO non vertical space for other alignments.
|
|
align = '\\begin{flush%s}' % node.attributes['align']
|
|
align_end = '\\end{flush%s}' % node.attributes['align']
|
|
self.body.append('\\begin{figure}[htbp]%s\n' % align)
|
|
self.context.append('%s\\end{figure}\n' % align_end)
|
|
def depart_figure(self, node):
|
|
self.body.append(self.context.pop())
|
|
|
|
def visit_caption(self, node):
|
|
self.body.append('\\caption{')
|
|
def depart_caption(self, node):
|
|
self.body.append('}')
|
|
|
|
def visit_legend(self, node):
|
|
self.body.append('{\\small ')
|
|
def depart_legend(self, node):
|
|
self.body.append('}')
|
|
|
|
def visit_admonition(self, node):
|
|
self.body.append('\n\\begin{quote}')
|
|
def depart_admonition(self, node):
|
|
self.body.append('\\end{quote}\n')
|
|
|
|
def _make_visit_admonition(name):
|
|
def visit_admonition(self, node):
|
|
self.body.append('\n\\begin{notice}[%s]' % name)
|
|
return visit_admonition
|
|
def _depart_named_admonition(self, node):
|
|
self.body.append('\\end{notice}\n')
|
|
|
|
visit_attention = _make_visit_admonition('attention')
|
|
depart_attention = _depart_named_admonition
|
|
visit_caution = _make_visit_admonition('caution')
|
|
depart_caution = _depart_named_admonition
|
|
visit_danger = _make_visit_admonition('danger')
|
|
depart_danger = _depart_named_admonition
|
|
visit_error = _make_visit_admonition('error')
|
|
depart_error = _depart_named_admonition
|
|
visit_hint = _make_visit_admonition('hint')
|
|
depart_hint = _depart_named_admonition
|
|
visit_important = _make_visit_admonition('important')
|
|
depart_important = _depart_named_admonition
|
|
visit_note = _make_visit_admonition('note')
|
|
depart_note = _depart_named_admonition
|
|
visit_tip = _make_visit_admonition('tip')
|
|
depart_tip = _depart_named_admonition
|
|
visit_warning = _make_visit_admonition('warning')
|
|
depart_warning = _depart_named_admonition
|
|
|
|
def visit_versionmodified(self, node):
|
|
self.body.append('\\%s' % node['type'])
|
|
if node['type'] == 'deprecated':
|
|
self.body.append('{%s}{' % node['version'])
|
|
self.context.append('}')
|
|
else:
|
|
if len(node):
|
|
self.body.append('[')
|
|
self.context.append(']{%s}' % node['version'])
|
|
else:
|
|
self.body.append('{%s}' % node['version'])
|
|
self.context.append('')
|
|
def depart_versionmodified(self, node):
|
|
self.body.append(self.context.pop())
|
|
|
|
def visit_target(self, node):
|
|
def add_target(id):
|
|
# indexing uses standard LaTeX index markup, so the targets
|
|
# will be generated differently
|
|
if not id.startswith('index-'):
|
|
self.body.append(r'\hypertarget{%s}{}' % id)
|
|
|
|
if node.has_key('refid') and node['refid'] not in self.written_ids:
|
|
parindex = node.parent.index(node)
|
|
try:
|
|
next = node.parent[parindex+1]
|
|
if isinstance(next, nodes.section):
|
|
self.next_section_target = node['refid']
|
|
return
|
|
except IndexError:
|
|
pass
|
|
add_target(node['refid'])
|
|
self.written_ids.add(node['refid'])
|
|
def depart_target(self, node):
|
|
pass
|
|
|
|
def visit_attribution(self, node):
|
|
self.body.append('\n\\begin{flushright}\n')
|
|
self.body.append('---')
|
|
def depart_attribution(self, node):
|
|
self.body.append('\n\\end{flushright}\n')
|
|
|
|
indextype_map = {
|
|
'module': 'refmodindex',
|
|
'keyword': 'kwindex',
|
|
'operator': 'opindex',
|
|
'object': 'obindex',
|
|
'exception': 'exindex',
|
|
'statement': 'stindex',
|
|
'builtin': 'bifuncindex',
|
|
}
|
|
|
|
def visit_index(self, node, scre=re.compile(r';\s*')):
|
|
entries = node['entries']
|
|
for type, string, tid, _ in entries:
|
|
if type == 'single':
|
|
self.body.append(r'\index{%s}' % scre.sub('!', self.encode(string)))
|
|
elif type == 'pair':
|
|
parts = tuple(self.encode(x.strip()) for x in string.split(';', 1))
|
|
self.body.append(r'\indexii{%s}{%s}' % parts)
|
|
elif type == 'triple':
|
|
parts = tuple(self.encode(x.strip()) for x in string.split(';', 2))
|
|
self.body.append(r'\indexiii{%s}{%s}{%s}' % parts)
|
|
elif type in self.indextype_map:
|
|
self.body.append(r'\%s{%s}' % (self.indextype_map[type],
|
|
self.encode(string)))
|
|
else:
|
|
self.builder.warn('unknown index entry type %s found' % type)
|
|
raise nodes.SkipNode
|
|
|
|
def visit_raw(self, node):
|
|
if 'latex' in node.get('format', '').split():
|
|
self.body.append(node.astext())
|
|
raise nodes.SkipNode
|
|
|
|
def visit_reference(self, node):
|
|
uri = node.get('refuri', '')
|
|
if self.in_title or not uri:
|
|
self.context.append('')
|
|
elif uri.startswith('mailto:') or uri.startswith('http:') or \
|
|
uri.startswith('ftp:'):
|
|
self.body.append('\\href{%s}{' % self.encode(uri))
|
|
self.context.append('}')
|
|
elif uri.startswith('#'):
|
|
self.body.append('\\hyperlink{%s}{' % uri[1:])
|
|
self.context.append('}')
|
|
elif uri.startswith('@token'):
|
|
if self.in_production_list:
|
|
self.body.append('\\token{')
|
|
else:
|
|
self.body.append('\\grammartoken{')
|
|
self.context.append('}')
|
|
else:
|
|
self.builder.warn('unusable reference target found: %s' % uri)
|
|
self.context.append('')
|
|
def depart_reference(self, node):
|
|
self.body.append(self.context.pop())
|
|
|
|
def visit_pending_xref(self, node):
|
|
pass
|
|
def depart_pending_xref(self, node):
|
|
pass
|
|
|
|
def visit_emphasis(self, node):
|
|
self.body.append(r'\emph{')
|
|
def depart_emphasis(self, node):
|
|
self.body.append('}')
|
|
|
|
def visit_literal_emphasis(self, node):
|
|
self.body.append(r'\emph{\texttt{')
|
|
def depart_literal_emphasis(self, node):
|
|
self.body.append('}}')
|
|
|
|
def visit_strong(self, node):
|
|
self.body.append(r'\textbf{')
|
|
def depart_strong(self, node):
|
|
self.body.append('}')
|
|
|
|
def visit_title_reference(self, node):
|
|
self.body.append(r'\emph{')
|
|
def depart_title_reference(self, node):
|
|
self.body.append('}')
|
|
|
|
def visit_citation(self, node):
|
|
# TODO maybe use cite bibitems
|
|
self.bibitems.append(['', ''])
|
|
self.context.append(len(self.body))
|
|
def depart_citation(self, node):
|
|
size = self.context.pop()
|
|
text = ''.join(self.body[size:])
|
|
del self.body[size:]
|
|
self.bibitems[-1][1] = text
|
|
|
|
def visit_citation_reference(self, node):
|
|
citeid = node.astext()
|
|
self.body.append('\\cite{%s}' % citeid)
|
|
raise nodes.SkipNode
|
|
|
|
def visit_literal(self, node):
|
|
content = self.encode(node.astext().strip())
|
|
if self.in_title:
|
|
self.body.append(r'\texttt{%s}' % content)
|
|
elif re.search('[ \t\n]', content):
|
|
self.body.append(r'\samp{%s}' % content)
|
|
else:
|
|
self.body.append(r'\code{%s}' % content)
|
|
raise nodes.SkipNode
|
|
|
|
def visit_footnote_reference(self, node):
|
|
self.body.append('\\footnotemark[%s]' % node.astext())
|
|
raise nodes.SkipNode
|
|
|
|
def visit_literal_block(self, node):
|
|
self.verbatim = ''
|
|
def depart_literal_block(self, node):
|
|
code = self.verbatim.rstrip('\n')
|
|
lang = self.highlightlang
|
|
linenos = code.count('\n') >= self.highlightlinenothreshold - 1
|
|
if node.has_key('language'):
|
|
# code-block directives
|
|
lang = node['language']
|
|
if node.has_key('linenos'):
|
|
linenos = node['linenos']
|
|
hlcode = self.highlighter.highlight_block(code, lang, linenos)
|
|
# workaround for Unicode issue
|
|
hlcode = hlcode.replace(u'€', u'@texteuro[]')
|
|
# must use original Verbatim environment and "tabular" environment
|
|
if self.table:
|
|
hlcode = hlcode.replace('\\begin{Verbatim}',
|
|
'\\begin{OriginalVerbatim}')
|
|
self.table.has_verbatim = True
|
|
# get consistent trailer
|
|
hlcode = hlcode.rstrip()[:-14] # strip \end{Verbatim}
|
|
hlcode = hlcode.rstrip() + '\n'
|
|
self.body.append('\n' + hlcode + '\\end{%sVerbatim}\n' %
|
|
(self.table and 'Original' or ''))
|
|
self.verbatim = None
|
|
visit_doctest_block = visit_literal_block
|
|
depart_doctest_block = depart_literal_block
|
|
|
|
def visit_line_block(self, node):
|
|
"""line-block:
|
|
* whitespace (including linebreaks) is significant
|
|
* inline markup is supported.
|
|
* serif typeface
|
|
"""
|
|
self.body.append('{\\raggedright{}')
|
|
self.literal_whitespace = 1
|
|
def depart_line_block(self, node):
|
|
self.literal_whitespace = 0
|
|
# remove the last \\
|
|
del self.body[-1]
|
|
self.body.append('}\n')
|
|
|
|
def visit_line(self, node):
|
|
self._line_start = len(self.body)
|
|
def depart_line(self, node):
|
|
if self._line_start == len(self.body):
|
|
# no output in this line -- add a nonbreaking space, else the
|
|
# \\ command will give an error
|
|
self.body.append('~')
|
|
self.body.append('\\\\\n')
|
|
|
|
def visit_block_quote(self, node):
|
|
# If the block quote contains a single object and that object
|
|
# is a list, then generate a list not a block quote.
|
|
# This lets us indent lists.
|
|
done = 0
|
|
if len(node.children) == 1:
|
|
child = node.children[0]
|
|
if isinstance(child, nodes.bullet_list) or \
|
|
isinstance(child, nodes.enumerated_list):
|
|
done = 1
|
|
if not done:
|
|
self.body.append('\\begin{quote}\n')
|
|
def depart_block_quote(self, node):
|
|
done = 0
|
|
if len(node.children) == 1:
|
|
child = node.children[0]
|
|
if isinstance(child, nodes.bullet_list) or \
|
|
isinstance(child, nodes.enumerated_list):
|
|
done = 1
|
|
if not done:
|
|
self.body.append('\\end{quote}\n')
|
|
|
|
# option node handling copied from docutils' latex writer
|
|
|
|
def visit_option(self, node):
|
|
if self.context[-1]:
|
|
# this is not the first option
|
|
self.body.append(', ')
|
|
def depart_option(self, node):
|
|
# flag that the first option is done.
|
|
self.context[-1] += 1
|
|
|
|
def visit_option_argument(self, node):
|
|
"""The delimiter betweeen an option and its argument."""
|
|
self.body.append(node.get('delimiter', ' '))
|
|
def depart_option_argument(self, node):
|
|
pass
|
|
|
|
def visit_option_group(self, node):
|
|
self.body.append('\\item [')
|
|
# flag for first option
|
|
self.context.append(0)
|
|
def depart_option_group(self, node):
|
|
self.context.pop() # the flag
|
|
self.body.append('] ')
|
|
|
|
def visit_option_list(self, node):
|
|
self.body.append('\\begin{optionlist}{3cm}\n')
|
|
def depart_option_list(self, node):
|
|
self.body.append('\\end{optionlist}\n')
|
|
|
|
def visit_option_list_item(self, node):
|
|
pass
|
|
def depart_option_list_item(self, node):
|
|
pass
|
|
|
|
def visit_option_string(self, node):
|
|
pass
|
|
def depart_option_string(self, node):
|
|
pass
|
|
|
|
def visit_description(self, node):
|
|
self.body.append( ' ' )
|
|
def depart_description(self, node):
|
|
pass
|
|
|
|
def visit_superscript(self, node):
|
|
self.body.append('$^{\\text{')
|
|
def depart_superscript(self, node):
|
|
self.body.append('}}$')
|
|
|
|
def visit_subscript(self, node):
|
|
self.body.append('$_{\\text{')
|
|
def depart_subscript(self, node):
|
|
self.body.append('}}$')
|
|
|
|
def visit_substitution_definition(self, node):
|
|
raise nodes.SkipNode
|
|
|
|
def visit_substitution_reference(self, node):
|
|
raise nodes.SkipNode
|
|
|
|
def visit_generated(self, node):
|
|
pass
|
|
def depart_generated(self, node):
|
|
pass
|
|
|
|
def visit_compound(self, node):
|
|
pass
|
|
def depart_compound(self, node):
|
|
pass
|
|
|
|
def visit_container(self, node):
|
|
pass
|
|
def depart_container(self, node):
|
|
pass
|
|
|
|
def visit_decoration(self, node):
|
|
pass
|
|
def depart_decoration(self, node):
|
|
pass
|
|
|
|
# text handling
|
|
|
|
replacements = [
|
|
(u"\\", u"\x00"),
|
|
(u"$", ur"\$"),
|
|
(r"%", ur"\%"),
|
|
(u"&", ur"\&"),
|
|
(u"#", ur"\#"),
|
|
(u"_", ur"\_"),
|
|
(u"{", ur"\{"),
|
|
(u"}", ur"\}"),
|
|
(u"[", ur"{[}"),
|
|
(u"]", ur"{]}"),
|
|
(u"¶", ur"\P{}"),
|
|
(u"§", ur"\S{}"),
|
|
(u"∞", ur"$\infty$"),
|
|
(u"±", ur"$\pm$"),
|
|
(u"‣", ur"$\rightarrow$"),
|
|
(u"Ω", ur"$\Omega$"),
|
|
(u"Ω", ur"$\Omega$"),
|
|
(u"φ", ur"$\phi$"),
|
|
(u"π", ur"$\pi$"),
|
|
(u"~", ur"\textasciitilde{}"),
|
|
(u"€", ur"\texteuro{}"),
|
|
(u"<", ur"\textless{}"),
|
|
(u">", ur"\textgreater{}"),
|
|
(u"^", ur"\textasciicircum{}"),
|
|
(u"\x00", ur"\textbackslash{}"),
|
|
(u"\N{RIGHTWARDS ARROW}", ur"$\rightarrow$"),
|
|
]
|
|
|
|
def encode(self, text):
|
|
for x, y in self.replacements:
|
|
text = text.replace(x, y)
|
|
if self.literal_whitespace:
|
|
# Insert a blank before the newline, to avoid
|
|
# ! LaTeX Error: There's no line here to end.
|
|
text = text.replace("\n", '~\\\\\n').replace(" ", "~")
|
|
return text
|
|
|
|
def visit_Text(self, node):
|
|
if self.verbatim is not None:
|
|
self.verbatim += node.astext()
|
|
else:
|
|
text = self.encode(node.astext())
|
|
self.body.append(educateQuotesLatex(text))
|
|
def depart_Text(self, node):
|
|
pass
|
|
|
|
def visit_comment(self, node):
|
|
raise nodes.SkipNode
|
|
|
|
def visit_system_message(self, node):
|
|
pass
|
|
def depart_system_message(self, node):
|
|
self.body.append('\n')
|
|
|
|
def unknown_visit(self, node):
|
|
raise NotImplementedError("Unknown node: " + node.__class__.__name__)
|