From d957979dd4e52861630702f8e7337106371bb5c2 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Sun, 20 Apr 2008 14:58:50 +0000
Subject: [PATCH] Implement option lists.

---
 CHANGES                     |  2 ++
 sphinx/latexwriter.py       | 48 +++++++++++++++++++++++++++++++++++++
 sphinx/texinputs/sphinx.sty | 25 +++++++++++++++++++
 3 files changed, 75 insertions(+)

diff --git a/CHANGES b/CHANGES
index 0e8df6288..16fe9aeac 100644
--- a/CHANGES
+++ b/CHANGES
@@ -70,6 +70,8 @@ Bugs fixed
 
 * sphinx.htmlwriter: Don't use os.path for joining image HREFs.
 
+* sphinx.latexwriter: Implement option lists.
+
 * sphinx.roles: Fix referencing glossary terms with explicit targets.
 
 * sphinx.environment: Don't swallow TOC entries when resolving subtrees.
diff --git a/sphinx/latexwriter.py b/sphinx/latexwriter.py
index 05162d8f0..8173c821b 100644
--- a/sphinx/latexwriter.py
+++ b/sphinx/latexwriter.py
@@ -27,6 +27,7 @@ HEADER = r'''%% Generated by Sphinx.
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
 \usepackage[colorlinks,breaklinks]{hyperref}
+\usepackage{tabularx}
 \title{%(title)s}
 \date{%(date)s}
 \release{%(release)s}
@@ -762,6 +763,53 @@ class LaTeXTranslator(nodes.NodeVisitor):
         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('% [option list]\n')
+        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
+
+    # text handling
+
     replacements = [
         (u"\\", u"\x00"),
         (u"$", ur"\$"),
diff --git a/sphinx/texinputs/sphinx.sty b/sphinx/texinputs/sphinx.sty
index f3db46644..3721c2f55 100644
--- a/sphinx/texinputs/sphinx.sty
+++ b/sphinx/texinputs/sphinx.sty
@@ -1268,3 +1268,28 @@
 
 % Tell TeX about pathological hyphenation cases:
 \hyphenation{Base-HTTP-Re-quest-Hand-ler}
+
+
+% The following is stuff copied from docutils' latex writer.
+%
+\newcommand{\optionlistlabel}[1]{\bf #1 \hfill}
+\newenvironment{optionlist}[1]
+{\begin{list}{}
+  {\setlength{\labelwidth}{#1}
+   \setlength{\rightmargin}{1cm}
+   \setlength{\leftmargin}{\rightmargin}
+   \addtolength{\leftmargin}{\labelwidth}
+   \addtolength{\leftmargin}{\labelsep}
+   \renewcommand{\makelabel}{\optionlistlabel}}
+}{\end{list}}
+
+\newlength{\lineblockindentation}
+\setlength{\lineblockindentation}{2.5em}
+\newenvironment{lineblock}[1]
+{\begin{list}{}
+  {\setlength{\partopsep}{\parskip}
+   \addtolength{\partopsep}{\baselineskip}
+   \topsep0pt\itemsep0.15\baselineskip\parsep0pt
+   \leftmargin#1}
+ \raggedright}
+{\end{list}}