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Diffstat (limited to 'docutils/writers/latex2e.py')
| -rw-r--r-- | docutils/writers/latex2e.py | 2032 |
1 files changed, 2032 insertions, 0 deletions
diff --git a/docutils/writers/latex2e.py b/docutils/writers/latex2e.py new file mode 100644 index 000000000..dc7df9731 --- /dev/null +++ b/docutils/writers/latex2e.py @@ -0,0 +1,2032 @@ +""" +:Author: Engelbert Gruber +:Contact: grubert@users.sourceforge.net +:Revision: $Revision$ +:Date: $Date$ +:Copyright: This module has been placed in the public domain. + +LaTeX2e document tree Writer. +""" + +__docformat__ = 'reStructuredText' + +# code contributions from several people included, thanks to all. +# some named: David Abrahams, Julien Letessier, Lele Gaifax, and others. +# +# convention deactivate code by two # e.g. ##. + +import sys +import time +import re +import string +from types import ListType +from docutils import frontend, nodes, languages, writers, utils + +class Writer(writers.Writer): + + supported = ('latex','latex2e') + """Formats this writer supports.""" + + settings_spec = ( + 'LaTeX-Specific Options', + 'The LaTeX "--output-encoding" default is "latin-1:strict".', + (('Specify documentclass. Default is "article".', + ['--documentclass'], + {'default': 'article', }), + ('Specify document options. Multiple options can be given, ' + 'separated by commas. Default is "10pt,a4paper".', + ['--documentoptions'], + {'default': '10pt,a4paper', }), + ('Use LaTeX footnotes. LaTeX supports only numbered footnotes (does it?). ' + 'Default: no, uses figures.', + ['--use-latex-footnotes'], + {'default': 0, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Format for footnote references: one of "superscript" or ' + '"brackets". Default is "superscript".', + ['--footnote-references'], + {'choices': ['superscript', 'brackets'], 'default': 'superscript', + 'metavar': '<format>', + 'overrides': 'trim_footnote_reference_space'}), + ('Use LaTeX citations. ' + 'Default: no, uses figures which might get mixed with images.', + ['--use-latex-citations'], + {'default': 0, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Format for block quote attributions: one of "dash" (em-dash ' + 'prefix), "parentheses"/"parens", or "none". Default is "dash".', + ['--attribution'], + {'choices': ['dash', 'parentheses', 'parens', 'none'], + 'default': 'dash', 'metavar': '<format>'}), + ('Specify a stylesheet file. The file will be "input" by latex in ' + 'the document header. Default is no stylesheet (""). ' + 'Overrides --stylesheet-path.', + ['--stylesheet'], + {'default': '', 'metavar': '<file>', + 'overrides': 'stylesheet_path'}), + ('Specify a stylesheet file, relative to the current working ' + 'directory. Overrides --stylesheet.', + ['--stylesheet-path'], + {'metavar': '<file>', 'overrides': 'stylesheet'}), + ('Table of contents by docutils (default) or latex. Latex (writer) ' + 'supports only one ToC per document, but docutils does not write ' + 'pagenumbers.', + ['--use-latex-toc'], + {'default': 0, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Let LaTeX print author and date, do not show it in docutils ' + 'document info.', + ['--use-latex-docinfo'], + {'default': 0, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Color of any hyperlinks embedded in text ' + '(default: "blue", "0" to disable).', + ['--hyperlink-color'], {'default': 'blue'}), + ('Enable compound enumerators for nested enumerated lists ' + '(e.g. "1.2.a.ii"). Default: disabled.', + ['--compound-enumerators'], + {'default': None, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Disable compound enumerators for nested enumerated lists. This is ' + 'the default.', + ['--no-compound-enumerators'], + {'action': 'store_false', 'dest': 'compound_enumerators'}), + ('Enable section ("." subsection ...) prefixes for compound ' + 'enumerators. This has no effect without --compound-enumerators. ' + 'Default: disabled.', + ['--section-prefix-for-enumerators'], + {'default': None, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Disable section prefixes for compound enumerators. ' + 'This is the default.', + ['--no-section-prefix-for-enumerators'], + {'action': 'store_false', 'dest': 'section_prefix_for_enumerators'}), + ('Set the separator between section number and enumerator ' + 'for compound enumerated lists. Default is "-".', + ['--section-enumerator-separator'], + {'default': '-', 'metavar': '<char>'}), + ('When possibile, use verbatim for literal-blocks. ' + 'Default is to always use the mbox environment.', + ['--use-verbatim-when-possible'], + {'default': 0, 'action': 'store_true', + 'validator': frontend.validate_boolean}), + ('Table style. "standard" with horizontal and vertical lines, ' + '"booktabs" (LaTeX booktabs style) only horizontal lines ' + 'above and below the table and below the header or "nolines". ' + 'Default: "standard"', + ['--table-style'], + {'choices': ['standard', 'booktabs','nolines'], 'default': 'standard', + 'metavar': '<format>'}), + ('LaTeX graphicx package option. ' + 'Possible values are "dvips", "pdftex". "auto" includes LaTeX code ' + 'to use "pdftex" if processing with pdf(la)tex and dvips otherwise. ' + 'Default is no option.', + ['--graphicx-option'], + {'default': ''}), + ('LaTeX font encoding. ' + 'Possible values are "T1", "OT1", "" or some other fontenc option. ' + 'The font encoding influences available symbols, e.g. "<<" as one ' + 'character. Default is "" which leads to package "ae" (a T1 ' + 'emulation using CM fonts).', + ['--font-encoding'], + {'default': ''}), + ),) + + settings_defaults = {'output_encoding': 'latin-1'} + + relative_path_settings = ('stylesheet_path',) + + config_section = 'latex2e writer' + config_section_dependencies = ('writers',) + + output = None + """Final translated form of `document`.""" + + def __init__(self): + writers.Writer.__init__(self) + self.translator_class = LaTeXTranslator + + def translate(self): + visitor = self.translator_class(self.document) + self.document.walkabout(visitor) + self.output = visitor.astext() + self.head_prefix = visitor.head_prefix + self.head = visitor.head + self.body_prefix = visitor.body_prefix + self.body = visitor.body + self.body_suffix = visitor.body_suffix + +""" +Notes on LaTeX +-------------- + +* latex does not support multiple tocs in one document. + (might be no limitation except for docutils documentation) + +* width + + * linewidth - width of a line in the local environment + * textwidth - the width of text on the page + + Maybe always use linewidth ? + + *Bug* inside a minipage a (e.g. Sidebar) the linewidth is + not changed, needs fix in docutils so that tables + are not too wide. + + So we add locallinewidth set it initially and + on entering sidebar and reset on exit. +""" + +class Babel: + """Language specifics for LaTeX.""" + # country code by a.schlock. + # partly manually converted from iso and babel stuff, dialects and some + _ISO639_TO_BABEL = { + 'no': 'norsk', #XXX added by hand ( forget about nynorsk?) + 'gd': 'scottish', #XXX added by hand + 'hu': 'magyar', #XXX added by hand + 'pt': 'portuguese',#XXX added by hand + 'sl': 'slovenian', + 'af': 'afrikaans', + 'bg': 'bulgarian', + 'br': 'breton', + 'ca': 'catalan', + 'cs': 'czech', + 'cy': 'welsh', + 'da': 'danish', + 'fr': 'french', + # french, francais, canadien, acadian + 'de': 'ngerman', #XXX rather than german + # ngerman, naustrian, german, germanb, austrian + 'el': 'greek', + 'en': 'english', + # english, USenglish, american, UKenglish, british, canadian + 'eo': 'esperanto', + 'es': 'spanish', + 'et': 'estonian', + 'eu': 'basque', + 'fi': 'finnish', + 'ga': 'irish', + 'gl': 'galician', + 'he': 'hebrew', + 'hr': 'croatian', + 'hu': 'hungarian', + 'is': 'icelandic', + 'it': 'italian', + 'la': 'latin', + 'nl': 'dutch', + 'pl': 'polish', + 'pt': 'portuguese', + 'ro': 'romanian', + 'ru': 'russian', + 'sk': 'slovak', + 'sr': 'serbian', + 'sv': 'swedish', + 'tr': 'turkish', + 'uk': 'ukrainian' + } + + def __init__(self,lang): + self.language = lang + # pdflatex does not produce double quotes for ngerman in tt. + self.double_quote_replacment = None + if re.search('^de',self.language): + #self.quotes = ("\"`", "\"'") + self.quotes = ('{\\glqq}', '{\\grqq}') + self.double_quote_replacment = "{\\dq}" + else: + self.quotes = ("``", "''") + self.quote_index = 0 + + def next_quote(self): + q = self.quotes[self.quote_index] + self.quote_index = (self.quote_index+1)%2 + return q + + def quote_quotes(self,text): + t = None + for part in text.split('"'): + if t == None: + t = part + else: + t += self.next_quote() + part + return t + + def double_quotes_in_tt (self,text): + if not self.double_quote_replacment: + return text + return text.replace('"', self.double_quote_replacment) + + def get_language(self): + if self._ISO639_TO_BABEL.has_key(self.language): + return self._ISO639_TO_BABEL[self.language] + else: + # support dialects. + l = self.language.split("_")[0] + if self._ISO639_TO_BABEL.has_key(l): + return self._ISO639_TO_BABEL[l] + return None + + +latex_headings = { + 'optionlist_environment' : [ + '\\newcommand{\\optionlistlabel}[1]{\\bf #1 \\hfill}\n' + '\\newenvironment{optionlist}[1]\n' + '{\\begin{list}{}\n' + ' {\\setlength{\\labelwidth}{#1}\n' + ' \\setlength{\\rightmargin}{1cm}\n' + ' \\setlength{\\leftmargin}{\\rightmargin}\n' + ' \\addtolength{\\leftmargin}{\\labelwidth}\n' + ' \\addtolength{\\leftmargin}{\\labelsep}\n' + ' \\renewcommand{\\makelabel}{\\optionlistlabel}}\n' + '}{\\end{list}}\n', + ], + 'lineblock_environment' : [ + '\\newlength{\\lineblockindentation}\n' + '\\setlength{\\lineblockindentation}{2.5em}\n' + '\\newenvironment{lineblock}[1]\n' + '{\\begin{list}{}\n' + ' {\\setlength{\\partopsep}{\\parskip}\n' + ' \\addtolength{\\partopsep}{\\baselineskip}\n' + ' \\topsep0pt\\itemsep0.15\\baselineskip\\parsep0pt\n' + ' \\leftmargin#1}\n' + ' \\raggedright}\n' + '{\\end{list}}\n' + ], + 'footnote_floats' : [ + '% begin: floats for footnotes tweaking.\n', + '\\setlength{\\floatsep}{0.5em}\n', + '\\setlength{\\textfloatsep}{\\fill}\n', + '\\addtolength{\\textfloatsep}{3em}\n', + '\\renewcommand{\\textfraction}{0.5}\n', + '\\renewcommand{\\topfraction}{0.5}\n', + '\\renewcommand{\\bottomfraction}{0.5}\n', + '\\setcounter{totalnumber}{50}\n', + '\\setcounter{topnumber}{50}\n', + '\\setcounter{bottomnumber}{50}\n', + '% end floats for footnotes\n', + ], + 'some_commands' : [ + '% some commands, that could be overwritten in the style file.\n' + '\\newcommand{\\rubric}[1]' + '{\\subsection*{~\\hfill {\\it #1} \\hfill ~}}\n' + '\\newcommand{\\titlereference}[1]{\\textsl{#1}}\n' + '% end of "some commands"\n', + ] + } + +class DocumentClass: + """Details of a LaTeX document class.""" + + # BUG: LaTeX has no deeper sections (actually paragrah is no + # section either). + # BUG: No support for unknown document classes. Make 'article' + # default? + _class_sections = { + 'book': ( 'chapter', 'section', 'subsection', 'subsubsection' ), + 'scrbook': ( 'chapter', 'section', 'subsection', 'subsubsection' ), + 'report': ( 'chapter', 'section', 'subsection', 'subsubsection' ), + 'scrreprt': ( 'chapter', 'section', 'subsection', 'subsubsection' ), + 'article': ( 'section', 'subsection', 'subsubsection' ), + 'scrartcl': ( 'section', 'subsection', 'subsubsection' ), + } + _deepest_section = 'subsubsection' + + def __init__(self, document_class): + self.document_class = document_class + + def section(self, level): + """ Return the section name at the given level for the specific + document class. + + Level is 1,2,3..., as level 0 is the title.""" + + sections = self._class_sections[self.document_class] + if level <= len(sections): + return sections[level-1] + else: + return self._deepest_section + +class Table: + """ Manage a table while traversing. + Maybe change to a mixin defining the visit/departs, but then + class Table internal variables are in the Translator. + """ + def __init__(self,latex_type,table_style): + self._latex_type = latex_type + self._table_style = table_style + self._open = 0 + # miscellaneous attributes + self._attrs = {} + self._col_width = [] + self._rowspan = [] + + def open(self): + self._open = 1 + self._col_specs = [] + self.caption = None + self._attrs = {} + self._in_head = 0 # maybe context with search + def close(self): + self._open = 0 + self._col_specs = None + self.caption = None + self._attrs = {} + def is_open(self): + return self._open + def used_packages(self): + if self._table_style == 'booktabs': + return '\\usepackage{booktabs}\n' + return '' + def get_latex_type(self): + return self._latex_type + + def set(self,attr,value): + self._attrs[attr] = value + def get(self,attr): + if self._attrs.has_key(attr): + return self._attrs[attr] + return None + def get_vertical_bar(self): + if self._table_style == 'standard': + return '|' + return '' + # horizontal lines are drawn below a row, because we. + def get_opening(self): + return '\\begin{%s}[c]' % self._latex_type + def get_closing(self): + line = "" + if self._table_style == 'booktabs': + line = '\\bottomrule\n' + elif self._table_style == 'standard': + lines = '\\hline\n' + return '%s\\end{%s}' % (line,self._latex_type) + + def visit_colspec(self,node): + self._col_specs.append(node) + + def get_colspecs(self): + """ + Return column specification for longtable. + + Assumes reST line length being 80 characters. + Table width is hairy. + + === === + ABC DEF + === === + + usually gets to narrow, therefore we add 1 (fiddlefactor). + """ + width = 80 + + total_width = 0.0 + # first see if we get too wide. + for node in self._col_specs: + colwidth = float(node['colwidth']+1) / width + total_width += colwidth + self._col_width = [] + self._rowspan = [] + # donot make it full linewidth + factor = 0.93 + if total_width > 1.0: + factor /= total_width + bar = self.get_vertical_bar() + latex_table_spec = "" + for node in self._col_specs: + colwidth = factor * float(node['colwidth']+1) / width + self._col_width.append(colwidth+0.005) + self._rowspan.append(0) + latex_table_spec += "%sp{%.2f\\locallinewidth}" % (bar,colwidth+0.005) + return latex_table_spec+bar + + def get_column_width(self): + """ return columnwidth for current cell (not multicell) + """ + return "%.2f\\locallinewidth" % self._col_width[self._cell_in_row-1] + + def visit_thead(self): + self._in_thead = 1 + if self._table_style == 'standard': + return ['\\hline\n'] + elif self._table_style == 'booktabs': + return ['\\toprule\n'] + return [] + def depart_thead(self): + a = [] + #if self._table_style == 'standard': + # a.append('\\hline\n') + if self._table_style == 'booktabs': + a.append('\\midrule\n') + a.append('\\endhead\n') + # for longtable one could add firsthead, foot and lastfoot + self._in_thead = 0 + return a + def visit_row(self): + self._cell_in_row = 0 + def depart_row(self): + res = [' \\\\\n'] + self._cell_in_row = None # remove cell counter + for i in range(len(self._rowspan)): + if (self._rowspan[i]>0): + self._rowspan[i] -= 1 + + if self._table_style == 'standard': + rowspans = [] + for i in range(len(self._rowspan)): + if (self._rowspan[i]<=0): + rowspans.append(i+1) + if len(rowspans)==len(self._rowspan): + res.append('\\hline\n') + else: + cline = '' + rowspans.reverse() + # TODO merge clines + while 1: + try: + c_start = rowspans.pop() + except: + break + cline += '\\cline{%d-%d}\n' % (c_start,c_start) + res.append(cline) + return res + + def set_rowspan(self,cell,value): + try: + self._rowspan[cell] = value + except: + pass + def get_rowspan(self,cell): + try: + return self._rowspan[cell] + except: + return 0 + def get_entry_number(self): + return self._cell_in_row + def visit_entry(self): + self._cell_in_row += 1 + + +class LaTeXTranslator(nodes.NodeVisitor): + + # When options are given to the documentclass, latex will pass them + # to other packages, as done with babel. + # Dummy settings might be taken from document settings + + latex_head = '\\documentclass[%s]{%s}\n' + encoding = '\\usepackage[%s]{inputenc}\n' + linking = '\\usepackage[colorlinks=%s,linkcolor=%s,urlcolor=%s]{hyperref}\n' + stylesheet = '\\input{%s}\n' + # add a generated on day , machine by user using docutils version. + generator = '%% generator Docutils: http://docutils.sourceforge.net/\n' + + # use latex tableofcontents or let docutils do it. + use_latex_toc = 0 + + # TODO: use mixins for different implementations. + # list environment for option-list. else tabularx + use_optionlist_for_option_list = 1 + # list environment for docinfo. else tabularx + use_optionlist_for_docinfo = 0 # NOT YET IN USE + + # Use compound enumerations (1.A.1.) + compound_enumerators = 0 + + # If using compound enumerations, include section information. + section_prefix_for_enumerators = 0 + + # This is the character that separates the section ("." subsection ...) + # prefix from the regular list enumerator. + section_enumerator_separator = '-' + + # default link color + hyperlink_color = "blue" + + def __init__(self, document): + nodes.NodeVisitor.__init__(self, document) + self.settings = settings = document.settings + self.latex_encoding = self.to_latex_encoding(settings.output_encoding) + self.use_latex_toc = settings.use_latex_toc + self.use_latex_docinfo = settings.use_latex_docinfo + self.use_latex_footnotes = settings.use_latex_footnotes + self._use_latex_citations = settings.use_latex_citations + self.hyperlink_color = settings.hyperlink_color + self.compound_enumerators = settings.compound_enumerators + self.font_encoding = settings.font_encoding + self.section_prefix_for_enumerators = ( + settings.section_prefix_for_enumerators) + self.section_enumerator_separator = ( + settings.section_enumerator_separator.replace('_', '\\_')) + if self.hyperlink_color == '0': + self.hyperlink_color = 'black' + self.colorlinks = 'false' + else: + self.colorlinks = 'true' + + # language: labels, bibliographic_fields, and author_separators. + # to allow writing labes for specific languages. + self.language = languages.get_language(settings.language_code) + self.babel = Babel(settings.language_code) + self.author_separator = self.language.author_separators[0] + self.d_options = self.settings.documentoptions + if self.babel.get_language(): + self.d_options += ',%s' % \ + self.babel.get_language() + + self.d_class = DocumentClass(settings.documentclass) + # object for a table while proccessing. + self.active_table = Table('longtable',settings.table_style) + + # HACK. Should have more sophisticated typearea handling. + if settings.documentclass.find('scr') == -1: + self.typearea = '\\usepackage[DIV12]{typearea}\n' + else: + if self.d_options.find('DIV') == -1 and self.d_options.find('BCOR') == -1: + self.typearea = '\\typearea{12}\n' + else: + self.typearea = '' + + if self.font_encoding == 'OT1': + fontenc_header = '' + elif self.font_encoding == '': + fontenc_header = '\\usepackage{ae}\n\\usepackage{aeguill}\n' + else: + fontenc_header = '\\usepackage[%s]{fontenc}\n' % (self.font_encoding,) + input_encoding = self.encoding % self.latex_encoding + if self.settings.graphicx_option == '': + self.graphicx_package = '\\usepackage{graphicx}\n' + elif self.settings.graphicx_option.lower() == 'auto': + self.graphicx_package = '\n'.join( + ('%Check if we are compiling under latex or pdflatex', + '\\ifx\\pdftexversion\\undefined', + ' \\usepackage{graphicx}', + '\\else', + ' \\usepackage[pdftex]{graphicx}', + '\\fi\n')) + else: + self.graphicx_package = ( + '\\usepackage[%s]{graphicx}\n' % self.settings.graphicx_option) + + self.head_prefix = [ + self.latex_head % (self.d_options,self.settings.documentclass), + '\\usepackage{babel}\n', # language is in documents settings. + fontenc_header, + '\\usepackage{shortvrb}\n', # allows verb in footnotes. + input_encoding, + # * tabularx: for docinfo, automatic width of columns, always on one page. + '\\usepackage{tabularx}\n', + '\\usepackage{longtable}\n', + self.active_table.used_packages(), + # possible other packages. + # * fancyhdr + # * ltxtable is a combination of tabularx and longtable (pagebreaks). + # but ?? + # + # extra space between text in tables and the line above them + '\\setlength{\\extrarowheight}{2pt}\n', + '\\usepackage{amsmath}\n', # what fore amsmath. + self.graphicx_package, + '\\usepackage{color}\n', + '\\usepackage{multirow}\n', + '\\usepackage{ifthen}\n', # before hyperref! + self.linking % (self.colorlinks, self.hyperlink_color, self.hyperlink_color), + self.typearea, + self.generator, + # latex lengths + '\\newlength{\\admonitionwidth}\n', + '\\setlength{\\admonitionwidth}{0.9\\textwidth}\n' + # width for docinfo tablewidth + '\\newlength{\\docinfowidth}\n', + '\\setlength{\\docinfowidth}{0.9\\textwidth}\n' + # linewidth of current environment, so tables are not wider + # than the sidebar: using locallinewidth seems to defer evaluation + # of linewidth, this is fixing it. + '\\newlength{\\locallinewidth}\n', + # will be set later. + ] + self.head_prefix.extend( latex_headings['optionlist_environment'] ) + self.head_prefix.extend( latex_headings['lineblock_environment'] ) + self.head_prefix.extend( latex_headings['footnote_floats'] ) + self.head_prefix.extend( latex_headings['some_commands'] ) + ## stylesheet is last: so it might be possible to overwrite defaults. + stylesheet = utils.get_stylesheet_reference(settings) + if stylesheet: + settings.record_dependencies.add(stylesheet) + self.head_prefix.append(self.stylesheet % (stylesheet)) + + if self.linking: # and maybe check for pdf + self.pdfinfo = [ ] + self.pdfauthor = None + # pdftitle, pdfsubject, pdfauthor, pdfkeywords, pdfcreator, pdfproducer + else: + self.pdfinfo = None + # NOTE: Latex wants a date and an author, rst puts this into + # docinfo, so normally we donot want latex author/date handling. + # latex article has its own handling of date and author, deactivate. + # So we always emit \title{...} \author{...} \date{...}, even if the + # "..." are empty strings. + self.head = [ ] + # separate title, so we can appen subtitle. + self.title = '' + # if use_latex_docinfo: collects lists of author/organization/contact/address lines + self.author_stack = [] + self.date = '' + + self.body_prefix = ['\\raggedbottom\n'] + self.body = [] + self.body_suffix = ['\n'] + self.section_level = 0 + self.context = [] + self.topic_classes = [] + # column specification for tables + self.table_caption = None + + # Flags to encode + # --------------- + # verbatim: to tell encode not to encode. + self.verbatim = 0 + # insert_newline: to tell encode to replace blanks by "~". + self.insert_none_breaking_blanks = 0 + # insert_newline: to tell encode to add latex newline. + self.insert_newline = 0 + # mbox_newline: to tell encode to add mbox and newline. + self.mbox_newline = 0 + + # enumeration is done by list environment. + self._enum_cnt = 0 + + # Stack of section counters so that we don't have to use_latex_toc. + # This will grow and shrink as processing occurs. + # Initialized for potential first-level sections. + self._section_number = [0] + + # The current stack of enumerations so that we can expand + # them into a compound enumeration + self._enumeration_counters = [] + + self._bibitems = [] + + # docinfo. + self.docinfo = None + # inside literal block: no quote mangling. + self.literal_block = 0 + self.literal_block_stack = [] + self.literal = 0 + # true when encoding in math mode + self.mathmode = 0 + + def to_latex_encoding(self,docutils_encoding): + """ + Translate docutils encoding name into latex's. + + Default fallback method is remove "-" and "_" chars from docutils_encoding. + + """ + tr = { "iso-8859-1": "latin1", # west european + "iso-8859-2": "latin2", # east european + "iso-8859-3": "latin3", # esperanto, maltese + "iso-8859-4": "latin4", # north european,scandinavian, baltic + "iso-8859-5": "iso88595", # cyrillic (ISO) + "iso-8859-9": "latin5", # turkish + "iso-8859-15": "latin9", # latin9, update to latin1. + "mac_cyrillic": "maccyr", # cyrillic (on Mac) + "windows-1251": "cp1251", # cyrillic (on Windows) + "koi8-r": "koi8-r", # cyrillic (Russian) + "koi8-u": "koi8-u", # cyrillic (Ukrainian) + "windows-1250": "cp1250", # + "windows-1252": "cp1252", # + "us-ascii": "ascii", # ASCII (US) + # unmatched encodings + #"": "applemac", + #"": "ansinew", # windows 3.1 ansi + #"": "ascii", # ASCII encoding for the range 32--127. + #"": "cp437", # dos latine us + #"": "cp850", # dos latin 1 + #"": "cp852", # dos latin 2 + #"": "decmulti", + #"": "latin10", + #"iso-8859-6": "" # arabic + #"iso-8859-7": "" # greek + #"iso-8859-8": "" # hebrew + #"iso-8859-10": "" # latin6, more complete iso-8859-4 + } + if tr.has_key(docutils_encoding.lower()): + return tr[docutils_encoding.lower()] + return docutils_encoding.translate(string.maketrans("",""),"_-").lower() + + def language_label(self, docutil_label): + return self.language.labels[docutil_label] + + latex_equivalents = { + u'\u00A0' : '~', + u'\u2013' : '{--}', + u'\u2014' : '{---}', + u'\u2018' : '`', + u'\u2019' : '\'', + u'\u201A' : ',', + u'\u201C' : '``', + u'\u201D' : '\'\'', + u'\u201E' : ',,', + u'\u2020' : '{\\dag}', + u'\u2021' : '{\\ddag}', + u'\u2026' : '{\\dots}', + u'\u2122' : '{\\texttrademark}', + u'\u21d4' : '{$\\Leftrightarrow$}', + } + + def unicode_to_latex(self,text): + # see LaTeX codec + # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/252124 + # Only some special chracters are translated, for documents with many + # utf-8 chars one should use the LaTeX unicode package. + for uchar in self.latex_equivalents.keys(): + text = text.replace(uchar,self.latex_equivalents[uchar]) + return text + + def encode(self, text): + """ + Encode special characters in `text` & return. + # $ % & ~ _ ^ \ { } + Escaping with a backslash does not help with backslashes, ~ and ^. + + < > are only available in math-mode or tt font. (really ?) + $ starts math- mode. + AND quotes: + + """ + if self.verbatim: + return text + # compile the regexps once. do it here so one can see them. + # + # first the braces. + if not self.__dict__.has_key('encode_re_braces'): + self.encode_re_braces = re.compile(r'([{}])') + text = self.encode_re_braces.sub(r'{\\\1}',text) + if not self.__dict__.has_key('encode_re_bslash'): + # find backslash: except in the form '{\{}' or '{\}}'. + self.encode_re_bslash = re.compile(r'(?<!{)(\\)(?![{}]})') + # then the backslash: except in the form from line above: + # either '{\{}' or '{\}}'. + text = self.encode_re_bslash.sub(r'{\\textbackslash}', text) + + # then dollar + text = text.replace("$", '{\\$}') + if not ( self.literal_block or self.literal or self.mathmode ): + # the vertical bar: in mathmode |,\vert or \mid + # in textmode \textbar + text = text.replace("|", '{\\textbar}') + text = text.replace("<", '{\\textless}') + text = text.replace(">", '{\\textgreater}') + # then + text = text.replace("&", '{\\&}') + # the ^: + # * verb|^| does not work in mbox. + # * mathmode has wedge. hat{~} would also work. + # text = text.replace("^", '{\\ensuremath{^\\wedge}}') + text = text.replace("^", '{\\textasciicircum}') + text = text.replace("%", '{\\%}') + text = text.replace("#", '{\\#}') + text = text.replace("~", '{\\textasciitilde}') + # Separate compound characters, e.g. "--" to "-{}-". (The + # actual separation is done later; see below.) + separate_chars = '-' + if self.literal_block or self.literal: + # In monospace-font, we also separate ",,", "``" and "''" + # and some other characters which can't occur in + # non-literal text. + separate_chars += ',`\'"<>' + # pdflatex does not produce doublequotes for ngerman. + text = self.babel.double_quotes_in_tt(text) + if self.font_encoding == 'OT1': + # We're using OT1 font-encoding and have to replace + # underscore by underlined blank, because this has + # correct width. + text = text.replace('_', '{\\underline{ }}') + # And the tt-backslash doesn't work in OT1, so we use + # a mirrored slash. + text = text.replace('\\textbackslash', '\\reflectbox{/}') + else: + text = text.replace('_', '{\\_}') + else: + text = self.babel.quote_quotes(text) + text = text.replace("_", '{\\_}') + for char in separate_chars * 2: + # Do it twice ("* 2") becaues otherwise we would replace + # "---" by "-{}--". + text = text.replace(char + char, char + '{}' + char) + if self.insert_newline or self.literal_block: + # Insert a blank before the newline, to avoid + # ! LaTeX Error: There's no line here to end. + text = text.replace("\n", '~\\\\\n') + elif self.mbox_newline: + if self.literal_block: + closings = "}" * len(self.literal_block_stack) + openings = "".join(self.literal_block_stack) + else: + closings = "" + openings = "" + text = text.replace("\n", "%s}\\\\\n\\mbox{%s" % (closings,openings)) + # lines starting with "[" give errors. + text = text.replace('[', '{[}') + if self.insert_none_breaking_blanks: + text = text.replace(' ', '~') + if self.latex_encoding != 'utf8': + text = self.unicode_to_latex(text) + return text + + def attval(self, text, + whitespace=re.compile('[\n\r\t\v\f]')): + """Cleanse, encode, and return attribute value text.""" + return self.encode(whitespace.sub(' ', text)) + + def astext(self): + if self.pdfinfo is not None: + if self.pdfauthor: + self.pdfinfo.append('pdfauthor={%s}' % self.pdfauthor) + if self.pdfinfo: + pdfinfo = '\\hypersetup{\n' + ',\n'.join(self.pdfinfo) + '\n}\n' + else: + pdfinfo = '' + head = '\\title{%s}\n\\author{%s}\n\\date{%s}\n' % \ + (self.title, + ' \\and\n'.join(['~\\\\\n'.join(author_lines) + for author_lines in self.author_stack]), + self.date) + return ''.join(self.head_prefix + [head] + self.head + [pdfinfo] + + self.body_prefix + self.body + self.body_suffix) + + def visit_Text(self, node): + self.body.append(self.encode(node.astext())) + + def depart_Text(self, node): + pass + + def visit_address(self, node): + self.visit_docinfo_item(node, 'address') + + def depart_address(self, node): + self.depart_docinfo_item(node) + + def visit_admonition(self, node, name=''): + self.body.append('\\begin{center}\\begin{sffamily}\n') + self.body.append('\\fbox{\\parbox{\\admonitionwidth}{\n') + if name: + self.body.append('\\textbf{\\large '+ self.language.labels[name] + '}\n'); + self.body.append('\\vspace{2mm}\n') + + + def depart_admonition(self, node=None): + self.body.append('}}\n') # end parbox fbox + self.body.append('\\end{sffamily}\n\\end{center}\n'); + + def visit_attention(self, node): + self.visit_admonition(node, 'attention') + + def depart_attention(self, node): + self.depart_admonition() + + def visit_author(self, node): + self.visit_docinfo_item(node, 'author') + + def depart_author(self, node): + self.depart_docinfo_item(node) + + def visit_authors(self, node): + # not used: visit_author is called anyway for each author. + pass + + def depart_authors(self, node): + pass + + def visit_block_quote(self, node): + self.body.append( '\\begin{quote}\n') + + def depart_block_quote(self, node): + self.body.append( '\\end{quote}\n') + + def visit_bullet_list(self, node): + if self.topic_classes == ['contents']: + if not self.use_latex_toc: + self.body.append( '\\begin{list}{}{}\n' ) + else: + self.body.append( '\\begin{itemize}\n' ) + + def depart_bullet_list(self, node): + if self.topic_classes == ['contents']: + if not self.use_latex_toc: + self.body.append( '\\end{list}\n' ) + else: + self.body.append( '\\end{itemize}\n' ) + + # Imperfect superscript/subscript handling: mathmode italicizes + # all letters by default. + def visit_superscript(self, node): + self.body.append('$^{') + self.mathmode = 1 + + def depart_superscript(self, node): + self.body.append('}$') + self.mathmode = 0 + + def visit_subscript(self, node): + self.body.append('$_{') + self.mathmode = 1 + + def depart_subscript(self, node): + self.body.append('}$') + self.mathmode = 0 + + def visit_caption(self, node): + self.body.append( '\\caption{' ) + + def depart_caption(self, node): + self.body.append('}') + + def visit_caution(self, node): + self.visit_admonition(node, 'caution') + + def depart_caution(self, node): + self.depart_admonition() + + def visit_title_reference(self, node): + self.body.append( '\\titlereference{' ) + + def depart_title_reference(self, node): + self.body.append( '}' ) + + def visit_citation(self, node): + # TODO maybe use cite bibitems + if self._use_latex_citations: + self.context.append(len(self.body)) + else: + self.body.append('\\begin{figure}[b]') + for id in node['ids']: + self.body.append('\\hypertarget{%s}' % id) + + def depart_citation(self, node): + if self._use_latex_citations: + size = self.context.pop() + label = self.body[size] + text = ''.join(self.body[size+1:]) + del self.body[size:] + self._bibitems.append([label, text]) + else: + self.body.append('\\end{figure}\n') + + def visit_citation_reference(self, node): + if self._use_latex_citations: + self.body.append('\\cite{') + else: + href = '' + if node.has_key('refid'): + href = node['refid'] + elif node.has_key('refname'): + href = self.document.nameids[node['refname']] + self.body.append('[\\hyperlink{%s}{' % href) + + def depart_citation_reference(self, node): + if self._use_latex_citations: + self.body.append('}') + else: + self.body.append('}]') + + def visit_classifier(self, node): + self.body.append( '(\\textbf{' ) + + def depart_classifier(self, node): + self.body.append( '})\n' ) + + def visit_colspec(self, node): + self.active_table.visit_colspec(node) + + def depart_colspec(self, node): + pass + + def visit_comment(self, node): + # Escape end of line by a new comment start in comment text. + self.body.append('%% %s \n' % node.astext().replace('\n', '\n% ')) + raise nodes.SkipNode + + def visit_compound(self, node): + pass + + def depart_compound(self, node): + pass + + def visit_contact(self, node): + self.visit_docinfo_item(node, 'contact') + + def depart_contact(self, node): + self.depart_docinfo_item(node) + + def visit_copyright(self, node): + self.visit_docinfo_item(node, 'copyright') + + def depart_copyright(self, node): + self.depart_docinfo_item(node) + + def visit_danger(self, node): + self.visit_admonition(node, 'danger') + + def depart_danger(self, node): + self.depart_admonition() + + def visit_date(self, node): + self.visit_docinfo_item(node, 'date') + + def depart_date(self, node): + self.depart_docinfo_item(node) + + def visit_decoration(self, node): + pass + + def depart_decoration(self, node): + pass + + def visit_definition(self, node): + self.body.append('%[visit_definition]\n') + + def depart_definition(self, node): + self.body.append('\n') + self.body.append('%[depart_definition]\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): + self.body.append('%[visit_definition_list_item]\n') + + def depart_definition_list_item(self, node): + self.body.append('%[depart_definition_list_item]\n') + + def visit_description(self, node): + if self.use_optionlist_for_option_list: + self.body.append( ' ' ) + else: + self.body.append( ' & ' ) + + def depart_description(self, node): + pass + + def visit_docinfo(self, node): + self.docinfo = [] + self.docinfo.append('%' + '_'*75 + '\n') + self.docinfo.append('\\begin{center}\n') + self.docinfo.append('\\begin{tabularx}{\\docinfowidth}{lX}\n') + + def depart_docinfo(self, node): + self.docinfo.append('\\end{tabularx}\n') + self.docinfo.append('\\end{center}\n') + self.body = self.docinfo + self.body + # clear docinfo, so field names are no longer appended. + self.docinfo = None + + def visit_docinfo_item(self, node, name): + if name == 'author': + if not self.pdfinfo == None: + if not self.pdfauthor: + self.pdfauthor = self.attval(node.astext()) + else: + self.pdfauthor += self.author_separator + self.attval(node.astext()) + if self.use_latex_docinfo: + if name in ('author', 'organization', 'contact', 'address'): + # We attach these to the last author. If any of them precedes + # the first author, put them in a separate "author" group (for + # no better semantics). + if name == 'author' or not self.author_stack: + self.author_stack.append([]) + if name == 'address': # newlines are meaningful + self.insert_newline = 1 + text = self.encode(node.astext()) + self.insert_newline = 0 + else: + text = self.attval(node.astext()) + self.author_stack[-1].append(text) + raise nodes.SkipNode + elif name == 'date': + self.date = self.attval(node.astext()) + raise nodes.SkipNode + self.docinfo.append('\\textbf{%s}: &\n\t' % self.language_label(name)) + if name == 'address': + self.insert_newline = 1 + self.docinfo.append('{\\raggedright\n') + self.context.append(' } \\\\\n') + else: + self.context.append(' \\\\\n') + self.context.append(self.docinfo) + self.context.append(len(self.body)) + + def depart_docinfo_item(self, node): + size = self.context.pop() + dest = self.context.pop() + tail = self.context.pop() + tail = self.body[size:] + [tail] + del self.body[size:] + dest.extend(tail) + # for address we did set insert_newline + self.insert_newline = 0 + + def visit_doctest_block(self, node): + self.body.append( '\\begin{verbatim}' ) + self.verbatim = 1 + + def depart_doctest_block(self, node): + self.body.append( '\\end{verbatim}\n' ) + self.verbatim = 0 + + def visit_document(self, node): + self.body_prefix.append('\\begin{document}\n') + # titled document? + if self.use_latex_docinfo or len(node) and isinstance(node[0], nodes.title): + self.body_prefix.append('\\maketitle\n\n') + # alternative use titlepage environment. + # \begin{titlepage} + self.body.append('\n\\setlength{\\locallinewidth}{\\linewidth}\n') + + def depart_document(self, node): + # TODO insertion point of bibliography should none automatic. + if self._use_latex_citations and len(self._bibitems)>0: + widest_label = "" + for bi in self._bibitems: + if len(widest_label)<len(bi[0]): + widest_label = bi[0] + self.body.append('\n\\begin{thebibliography}{%s}\n'%widest_label) + for bi in self._bibitems: + self.body.append('\\bibitem[%s]{%s}{%s}\n' % (bi[0], bi[0], bi[1])) + self.body.append('\\end{thebibliography}\n') + + self.body_suffix.append('\\end{document}\n') + + def visit_emphasis(self, node): + self.body.append('\\emph{') + self.literal_block_stack.append('\\emph{') + + def depart_emphasis(self, node): + self.body.append('}') + self.literal_block_stack.pop() + + def visit_entry(self, node): + self.active_table.visit_entry() + # cell separation + if self.active_table.get_entry_number() == 1: + # if the firstrow is a multirow, this actually is the second row. + # this gets hairy if rowspans follow each other. + if self.active_table.get_rowspan(0): + count = 0 + while self.active_table.get_rowspan(count): + count += 1 + self.body.append(' & ') + self.active_table.visit_entry() # increment cell count + else: + self.body.append(' & ') + + # multi{row,column} + # IN WORK BUG TODO HACK continues here + # multirow in LaTeX simply will enlarge the cell over several rows + # (the following n if n is positive, the former if negative). + if node.has_key('morerows') and node.has_key('morecols'): + raise NotImplementedError('Cells that ' + 'span multiple rows *and* columns are not supported, sorry.') + if node.has_key('morerows'): + count = node['morerows'] + 1 + self.active_table.set_rowspan(self.active_table.get_entry_number()-1,count) + self.body.append('\\multirow{%d}{%s}{' % \ + (count,self.active_table.get_column_width())) + self.context.append('}') + # BUG following rows must have empty cells. + elif node.has_key('morecols'): + # the vertical bar before column is missing if it is the first column. + # the one after always. + if self.active_table.get_entry_number() == 1: + bar1 = self.active_table.get_vertical_bar() + else: + bar1 = '' + count = node['morecols'] + 1 + self.body.append('\\multicolumn{%d}{%sl%s}{' % \ + (count, bar1, self.active_table.get_vertical_bar())) + self.context.append('}') + else: + self.context.append('') + + # header / not header + 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 / not header + self.body.append(self.context.pop()) # multirow/column + # if following row is spanned from above. + if self.active_table.get_rowspan(self.active_table.get_entry_number()): + self.body.append(' & ') + self.active_table.visit_entry() # increment cell count + + def visit_row(self, node): + self.active_table.visit_row() + + def depart_row(self, node): + self.body.extend(self.active_table.depart_row()) + + def visit_enumerated_list(self, node): + # We create our own enumeration list environment. + # This allows to set the style and starting value + # and unlimited nesting. + self._enum_cnt += 1 + + enum_style = {'arabic':'arabic', + 'loweralpha':'alph', + 'upperalpha':'Alph', + 'lowerroman':'roman', + 'upperroman':'Roman' } + enum_suffix = "" + if node.has_key('suffix'): + enum_suffix = node['suffix'] + enum_prefix = "" + if node.has_key('prefix'): + enum_prefix = node['prefix'] + if self.compound_enumerators: + pref = "" + if self.section_prefix_for_enumerators and self.section_level: + for i in range(self.section_level): + pref += '%d.' % self._section_number[i] + pref = pref[:-1] + self.section_enumerator_separator + enum_prefix += pref + for counter in self._enumeration_counters: + enum_prefix += counter + '.' + enum_type = "arabic" + if node.has_key('enumtype'): + enum_type = node['enumtype'] + if enum_style.has_key(enum_type): + enum_type = enum_style[enum_type] + counter_name = "listcnt%d" % self._enum_cnt; + self._enumeration_counters.append("\\%s{%s}" % (enum_type,counter_name)) + self.body.append('\\newcounter{%s}\n' % counter_name) + self.body.append('\\begin{list}{%s\\%s{%s}%s}\n' % \ + (enum_prefix,enum_type,counter_name,enum_suffix)) + self.body.append('{\n') + self.body.append('\\usecounter{%s}\n' % counter_name) + # set start after usecounter, because it initializes to zero. + if node.has_key('start'): + self.body.append('\\addtocounter{%s}{%d}\n' \ + % (counter_name,node['start']-1)) + ## set rightmargin equal to leftmargin + self.body.append('\\setlength{\\rightmargin}{\\leftmargin}\n') + self.body.append('}\n') + + def depart_enumerated_list(self, node): + self.body.append('\\end{list}\n') + self._enumeration_counters.pop() + + def visit_error(self, node): + self.visit_admonition(node, 'error') + + def depart_error(self, node): + self.depart_admonition() + + def visit_field(self, node): + # real output is done in siblings: _argument, _body, _name + pass + + def depart_field(self, node): + self.body.append('\n') + ##self.body.append('%[depart_field]\n') + + def visit_field_argument(self, node): + self.body.append('%[visit_field_argument]\n') + + def depart_field_argument(self, node): + self.body.append('%[depart_field_argument]\n') + + def visit_field_body(self, node): + # BUG by attach as text we loose references. + if self.docinfo: + self.docinfo.append('%s \\\\\n' % self.encode(node.astext())) + raise nodes.SkipNode + # BUG: what happens if not docinfo + + def depart_field_body(self, node): + self.body.append( '\n' ) + + def visit_field_list(self, node): + if not self.docinfo: + self.body.append('\\begin{quote}\n') + self.body.append('\\begin{description}\n') + + def depart_field_list(self, node): + if not self.docinfo: + self.body.append('\\end{description}\n') + self.body.append('\\end{quote}\n') + + def visit_field_name(self, node): + # BUG this duplicates docinfo_item + if self.docinfo: + self.docinfo.append('\\textbf{%s}: &\n\t' % self.encode(node.astext())) + raise nodes.SkipNode + else: + self.body.append('\\item [') + + def depart_field_name(self, node): + if not self.docinfo: + self.body.append(':]') + + def visit_figure(self, node): + self.body.append( '\\begin{figure}[htbp]\\begin{center}\n' ) + + def depart_figure(self, node): + self.body.append( '\\end{center}\\end{figure}\n' ) + + def visit_footer(self, node): + self.context.append(len(self.body)) + + def depart_footer(self, node): + start = self.context.pop() + footer = (['\n\\begin{center}\small\n'] + + self.body[start:] + ['\n\\end{center}\n']) + self.body_suffix[:0] = footer + del self.body[start:] + + def visit_footnote(self, node): + if self.use_latex_footnotes: + num,text = node.astext().split(None,1) + num = self.encode(num.strip()) + self.body.append('\\footnotetext['+num+']') + self.body.append('{') + else: + self.body.append('\\begin{figure}[b]') + for id in node['ids']: + self.body.append('\\hypertarget{%s}' % id) + + def depart_footnote(self, node): + if self.use_latex_footnotes: + self.body.append('}\n') + else: + self.body.append('\\end{figure}\n') + + def visit_footnote_reference(self, node): + if self.use_latex_footnotes: + self.body.append("\\footnotemark["+self.encode(node.astext())+"]") + raise nodes.SkipNode + href = '' + if node.has_key('refid'): + href = node['refid'] + elif node.has_key('refname'): + href = self.document.nameids[node['refname']] + format = self.settings.footnote_references + if format == 'brackets': + suffix = '[' + self.context.append(']') + elif format == 'superscript': + suffix = '\\raisebox{.5em}[0em]{\\scriptsize' + self.context.append('}') + else: # shouldn't happen + raise AssertionError('Illegal footnote reference format.') + self.body.append('%s\\hyperlink{%s}{' % (suffix,href)) + + def depart_footnote_reference(self, node): + if self.use_latex_footnotes: + return + self.body.append('}%s' % self.context.pop()) + + # footnote/citation label + def label_delim(self, node, bracket, superscript): + if isinstance(node.parent, nodes.footnote): + if self.use_latex_footnotes: + raise nodes.SkipNode + if self.settings.footnote_references == 'brackets': + self.body.append(bracket) + else: + self.body.append(superscript) + else: + assert isinstance(node.parent, nodes.citation) + if not self._use_latex_citations: + self.body.append(bracket) + + def visit_label(self, node): + self.label_delim(node, '[', '$^{') + + def depart_label(self, node): + self.label_delim(node, ']', '}$') + + # elements generated by the framework e.g. section numbers. + def visit_generated(self, node): + pass + + def depart_generated(self, node): + pass + + def visit_header(self, node): + self.context.append(len(self.body)) + + def depart_header(self, node): + start = self.context.pop() + self.body_prefix.append('\n\\verb|begin_header|\n') + self.body_prefix.extend(self.body[start:]) + self.body_prefix.append('\n\\verb|end_header|\n') + del self.body[start:] + + def visit_hint(self, node): + self.visit_admonition(node, 'hint') + + def depart_hint(self, node): + self.depart_admonition() + + def visit_image(self, node): + attrs = node.attributes + # Add image URI to dependency list, assuming that it's + # referring to a local file. + self.settings.record_dependencies.add(attrs['uri']) + pre = [] # in reverse order + post = ['\\includegraphics{%s}' % attrs['uri']] + 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('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() + self.body.extend(pre + post) + + def depart_image(self, node): + pass + + def visit_important(self, node): + self.visit_admonition(node, 'important') + + def depart_important(self, node): + self.depart_admonition() + + def visit_interpreted(self, node): + # @@@ Incomplete, pending a proper implementation on the + # Parser/Reader end. + self.visit_literal(node) + + def depart_interpreted(self, node): + self.depart_literal(node) + + def visit_legend(self, node): + self.body.append('{\\small ') + + def depart_legend(self, node): + self.body.append('}') + + def visit_line(self, node): + self.body.append('\item[] ') + + def depart_line(self, node): + self.body.append('\n') + + def visit_line_block(self, node): + if isinstance(node.parent, nodes.line_block): + self.body.append('\\item[] \n' + '\\begin{lineblock}{\\lineblockindentation}\n') + else: + self.body.append('\n\\begin{lineblock}{0em}\n') + + def depart_line_block(self, node): + self.body.append('\\end{lineblock}\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('\\item {} ') + + def depart_list_item(self, node): + self.body.append('\n') + + def visit_literal(self, node): + self.literal = 1 + self.body.append('\\texttt{') + + def depart_literal(self, node): + self.body.append('}') + self.literal = 0 + + def visit_literal_block(self, node): + """ + Render a literal-block. + + Literal blocks are used for "::"-prefixed literal-indented + blocks of text, where the inline markup is not recognized, + but are also the product of the parsed-literal directive, + where the markup is respected. + """ + # In both cases, we want to use a typewriter/monospaced typeface. + # For "real" literal-blocks, we can use \verbatim, while for all + # the others we must use \mbox. + # + # We can distinguish between the two kinds by the number of + # siblings the compose this node: if it is composed by a + # single element, it's surely is either a real one, otherwise + # it's a parsed-literal that does not contain any markup. + # + if (self.settings.use_verbatim_when_possible and (len(node) == 1) + # in case of a parsed-literal containing just a "**bold**" word: + and isinstance(node[0], nodes.Text)): + self.verbatim = 1 + self.body.append('\\begin{quote}\\begin{verbatim}\n') + else: + self.literal_block = 1 + self.insert_none_breaking_blanks = 1 + if self.active_table.is_open(): + self.body.append('\n{\\ttfamily \\raggedright \\noindent\n') + else: + # no quote inside tables, to avoid vertical sppace between + # table border and literal block. + # BUG: fails if normal text preceeds the literal block. + self.body.append('\\begin{quote}') + self.body.append('{\\ttfamily \\raggedright \\noindent\n') + # * obey..: is from julien and never worked for me (grubert). + # self.body.append('{\\obeylines\\obeyspaces\\ttfamily\n') + + def depart_literal_block(self, node): + if self.verbatim: + self.body.append('\n\\end{verbatim}\\end{quote}\n') + self.verbatim = 0 + else: + if self.active_table.is_open(): + self.body.append('\n}\n') + else: + self.body.append('\n') + self.body.append('}\\end{quote}\n') + self.insert_none_breaking_blanks = 0 + self.literal_block = 0 + # obey end: self.body.append('}\n') + + def visit_meta(self, node): + self.body.append('[visit_meta]\n') + # BUG maybe set keywords for pdf + ##self.head.append(self.starttag(node, 'meta', **node.attributes)) + + def depart_meta(self, node): + self.body.append('[depart_meta]\n') + + def visit_note(self, node): + self.visit_admonition(node, 'note') + + def depart_note(self, node): + self.depart_admonition() + + def visit_option(self, node): + if self.context[-1]: + # this is not the first option + self.body.append(', ') + + def depart_option(self, node): + # flag tha 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): + if self.use_optionlist_for_option_list: + self.body.append('\\item [') + else: + if len(node.astext()) > 14: + self.body.append('\\multicolumn{2}{l}{') + self.context.append('} \\\\\n ') + else: + self.context.append('') + self.body.append('\\texttt{') + # flag for first option + self.context.append(0) + + def depart_option_group(self, node): + self.context.pop() # the flag + if self.use_optionlist_for_option_list: + self.body.append('] ') + else: + self.body.append('}') + self.body.append(self.context.pop()) + + def visit_option_list(self, node): + self.body.append('% [option list]\n') + if self.use_optionlist_for_option_list: + self.body.append('\\begin{optionlist}{3cm}\n') + else: + self.body.append('\\begin{center}\n') + # BUG: use admwidth or make it relative to textwidth ? + self.body.append('\\begin{tabularx}{.9\\linewidth}{lX}\n') + + def depart_option_list(self, node): + if self.use_optionlist_for_option_list: + self.body.append('\\end{optionlist}\n') + else: + self.body.append('\\end{tabularx}\n') + self.body.append('\\end{center}\n') + + def visit_option_list_item(self, node): + pass + + def depart_option_list_item(self, node): + if not self.use_optionlist_for_option_list: + self.body.append('\\\\\n') + + def visit_option_string(self, node): + ##self.body.append(self.starttag(node, 'span', '', CLASS='option')) + pass + + def depart_option_string(self, node): + ##self.body.append('</span>') + pass + + def visit_organization(self, node): + self.visit_docinfo_item(node, 'organization') + + def depart_organization(self, node): + self.depart_docinfo_item(node) + + def visit_paragraph(self, node): + index = node.parent.index(node) + if not (self.topic_classes == ['contents'] or + (isinstance(node.parent, nodes.compound) and + index > 0 and + not isinstance(node.parent[index - 1], nodes.paragraph) and + not isinstance(node.parent[index - 1], nodes.compound))): + self.body.append('\n') + + def depart_paragraph(self, node): + self.body.append('\n') + + def visit_problematic(self, node): + self.body.append('{\\color{red}\\bfseries{}') + + def depart_problematic(self, node): + self.body.append('}') + + 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): + # BUG: hash_char "#" is trouble some in LaTeX. + # mbox and other environment do not like the '#'. + hash_char = '\\#' + if node.has_key('refuri'): + href = node['refuri'].replace('#',hash_char) + elif node.has_key('refid'): + href = hash_char + node['refid'] + elif node.has_key('refname'): + href = hash_char + self.document.nameids[node['refname']] + else: + raise AssertionError('Unknown reference.') + self.body.append('\\href{%s}{' % href) + + def depart_reference(self, node): + self.body.append('}') + + def visit_revision(self, node): + self.visit_docinfo_item(node, 'revision') + + def depart_revision(self, node): + self.depart_docinfo_item(node) + + def visit_section(self, node): + self.section_level += 1 + # Initialize counter for potential subsections: + self._section_number.append(0) + # Counter for this section's level (initialized by parent section): + self._section_number[self.section_level - 1] += 1 + + def depart_section(self, node): + # Remove counter for potential subsections: + self._section_number.pop() + self.section_level -= 1 + + def visit_sidebar(self, node): + # BUG: this is just a hack to make sidebars render something + self.body.append('\n\\setlength{\\locallinewidth}{0.9\\admonitionwidth}\n') + self.body.append('\\begin{center}\\begin{sffamily}\n') + self.body.append('\\fbox{\\colorbox[gray]{0.80}{\\parbox{\\admonitionwidth}{\n') + + def depart_sidebar(self, node): + self.body.append('}}}\n') # end parbox colorbox fbox + self.body.append('\\end{sffamily}\n\\end{center}\n'); + self.body.append('\n\\setlength{\\locallinewidth}{\\linewidth}\n') + + + attribution_formats = {'dash': ('---', ''), + 'parentheses': ('(', ')'), + 'parens': ('(', ')'), + 'none': ('', '')} + + def visit_attribution(self, node): + prefix, suffix = self.attribution_formats[self.settings.attribution] + self.body.append('\n\\begin{flushright}\n') + self.body.append(prefix) + self.context.append(suffix) + + def depart_attribution(self, node): + self.body.append(self.context.pop() + '\n') + self.body.append('\\end{flushright}\n') + + def visit_status(self, node): + self.visit_docinfo_item(node, 'status') + + def depart_status(self, node): + self.depart_docinfo_item(node) + + def visit_strong(self, node): + self.body.append('\\textbf{') + self.literal_block_stack.append('\\textbf{') + + def depart_strong(self, node): + self.body.append('}') + self.literal_block_stack.pop() + + def visit_substitution_definition(self, node): + raise nodes.SkipNode + + def visit_substitution_reference(self, node): + self.unimplemented_visit(node) + + def visit_subtitle(self, node): + if isinstance(node.parent, nodes.sidebar): + self.body.append('~\\\\\n\\textbf{') + self.context.append('}\n\\smallskip\n') + elif isinstance(node.parent, nodes.document): + self.title = self.title + \ + '\\\\\n\\large{%s}\n' % self.encode(node.astext()) + raise nodes.SkipNode + elif isinstance(node.parent, nodes.section): + self.body.append('\\textbf{') + self.context.append('}\\vspace{0.2cm}\n\n\\noindent ') + + def depart_subtitle(self, node): + self.body.append(self.context.pop()) + + def visit_system_message(self, node): + if node['level'] < self.document.reporter.report_level: + raise nodes.SkipNode + + def depart_system_message(self, node): + self.body.append('\n') + + def visit_table(self, node): + if self.active_table.is_open(): + print 'nested tables are not supported' + raise AssertionError + self.active_table.open() + self.body.append('\n' + self.active_table.get_opening()) + + def depart_table(self, node): + self.body.append(self.active_table.get_closing() + '\n') + self.active_table.close() + + def visit_target(self, node): + # BUG: why not (refuri or refid or refname) means not footnote ? + if not (node.has_key('refuri') or node.has_key('refid') + or node.has_key('refname')): + for id in node['ids']: + self.body.append('\\hypertarget{%s}{' % id) + self.context.append('}' * len(node['ids'])) + else: + self.context.append('') + + def depart_target(self, node): + self.body.append(self.context.pop()) + + def visit_tbody(self, node): + # BUG write preamble if not yet done (colspecs not []) + # for tables without heads. + if not self.active_table.get('preamble written'): + self.visit_thead(None) + # self.depart_thead(None) + + def depart_tbody(self, node): + pass + + def visit_term(self, node): + self.body.append('\\item[{') + + def depart_term(self, node): + # definition list term. + self.body.append('}] ') + + def visit_tgroup(self, node): + #self.body.append(self.starttag(node, 'colgroup')) + #self.context.append('</colgroup>\n') + pass + + def depart_tgroup(self, node): + pass + + def visit_thead(self, node): + self.body.append('{%s}\n' % self.active_table.get_colspecs()) + if self.active_table.caption: + self.body.append('\\caption{%s}\\\\\n' % self.active_table.caption) + self.active_table.set('preamble written',1) + # TODO longtable supports firsthead and lastfoot too. + self.body.extend(self.active_table.visit_thead()) + + def depart_thead(self, node): + # the table header written should be on every page + # => \endhead + self.body.extend(self.active_table.depart_thead()) + # and the firsthead => \endfirsthead + # BUG i want a "continued from previous page" on every not + # firsthead, but then we need the header twice. + # + # there is a \endfoot and \endlastfoot too. + # but we need the number of columns to + # self.body.append('\\multicolumn{%d}{c}{"..."}\n' % number_of_columns) + # self.body.append('\\hline\n\\endfoot\n') + # self.body.append('\\hline\n') + # self.body.append('\\endlastfoot\n') + + def visit_tip(self, node): + self.visit_admonition(node, 'tip') + + def depart_tip(self, node): + self.depart_admonition() + + def bookmark(self, node): + """Append latex href and pdfbookmarks for titles. + """ + if node.parent['ids']: + for id in node.parent['ids']: + self.body.append('\\hypertarget{%s}{}\n' % id) + if not self.use_latex_toc: + # BUG level depends on style. pdflatex allows level 0 to 3 + # ToC would be the only on level 0 so i choose to decrement the rest. + # "Table of contents" bookmark to see the ToC. To avoid this + # we set all zeroes to one. + l = self.section_level + if l>0: + l = l-1 + # pdftex does not like "_" subscripts in titles + text = self.encode(node.astext()) + for id in node.parent['ids']: + self.body.append('\\pdfbookmark[%d]{%s}{%s}\n' % \ + (l, text, id)) + + def visit_title(self, node): + """Only 3 section levels are supported by LaTeX article (AFAIR).""" + + if isinstance(node.parent, nodes.topic): + # section titles before the table of contents. + self.bookmark(node) + # BUG: latex chokes on center environment with "perhaps a missing item". + # so we use hfill. + self.body.append('\\subsubsection*{~\\hfill ') + # the closing brace for subsection. + self.context.append('\\hfill ~}\n') + # TODO: for admonition titles before the first section + # either specify every possible node or ... ? + elif isinstance(node.parent, nodes.sidebar) \ + or isinstance(node.parent, nodes.admonition): + self.body.append('\\textbf{\\large ') + self.context.append('}\n\\smallskip\n') + elif isinstance(node.parent, nodes.table): + # caption must be written after column spec + self.active_table.caption = self.encode(node.astext()) + raise nodes.SkipNode + elif self.section_level == 0: + # document title + self.title = self.encode(node.astext()) + if not self.pdfinfo == None: + self.pdfinfo.append( 'pdftitle={%s}' % self.encode(node.astext()) ) + raise nodes.SkipNode + else: + self.body.append('\n\n') + self.body.append('%' + '_' * 75) + self.body.append('\n\n') + self.bookmark(node) + + if self.use_latex_toc: + section_star = "" + else: + section_star = "*" + + section_name = self.d_class.section(self.section_level) + self.body.append('\\%s%s{' % (section_name, section_star)) + + self.context.append('}\n') + + def depart_title(self, node): + self.body.append(self.context.pop()) + + def visit_topic(self, node): + self.topic_classes = node['classes'] + if 'contents' in node['classes'] and self.use_latex_toc: + self.body.append('\\tableofcontents\n\n\\bigskip\n') + self.topic_classes = [] + raise nodes.SkipNode + + def visit_inline(self, node): # titlereference + self.body.append( '\\docutilsrole%s{' % node.get('class')) + + def depart_inline(self, node): + self.body.append( '}' ) + + def depart_topic(self, node): + self.topic_classes = [] + self.body.append('\n') + + def visit_rubric(self, node): + self.body.append('\\rubric{') + self.context.append('}\n') + + def depart_rubric(self, node): + self.body.append(self.context.pop()) + + def visit_transition(self, node): + self.body.append('\n\n') + self.body.append('%' + '_' * 75) + self.body.append('\n\\hspace*{\\fill}\\hrulefill\\hspace*{\\fill}') + self.body.append('\n\n') + + def depart_transition(self, node): + pass + + def visit_version(self, node): + self.visit_docinfo_item(node, 'version') + + def depart_version(self, node): + self.depart_docinfo_item(node) + + def visit_warning(self, node): + self.visit_admonition(node, 'warning') + + def depart_warning(self, node): + self.depart_admonition() + + def unimplemented_visit(self, node): + raise NotImplementedError('visiting unimplemented node type: %s' + % node.__class__.__name__) + +# def unknown_visit(self, node): +# def default_visit(self, node): + +# vim: set ts=4 et ai : |