buildframework/helium/external/python/lib/common/Sphinx-0.5.1-py2.5.egg/sphinx/roles.py
changeset 179 d8ac696cc51f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buildframework/helium/external/python/lib/common/Sphinx-0.5.1-py2.5.egg/sphinx/roles.py	Wed Dec 23 19:29:07 2009 +0200
@@ -0,0 +1,245 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinx.roles
+    ~~~~~~~~~~~~
+
+    Handlers for additional ReST roles.
+
+    :copyright: 2007-2008 by Georg Brandl.
+    :license: BSD.
+"""
+
+import re
+
+from docutils import nodes, utils
+from docutils.parsers.rst import roles
+
+from sphinx import addnodes
+from sphinx.util import ws_re, caption_ref_re
+
+
+generic_docroles = {
+    'command' : nodes.strong,
+    'dfn' : nodes.emphasis,
+    'guilabel' : nodes.strong,
+    'kbd' : nodes.literal,
+    'mailheader' : addnodes.literal_emphasis,
+    'makevar' : nodes.Text,
+    'manpage' : addnodes.literal_emphasis,
+    'mimetype' : addnodes.literal_emphasis,
+    'newsgroup' : addnodes.literal_emphasis,
+    'program' : nodes.strong,
+    'regexp' : nodes.literal,
+}
+
+for rolename, nodeclass in generic_docroles.iteritems():
+    roles.register_generic_role(rolename, nodeclass)
+
+
+def indexmarkup_role(typ, rawtext, etext, lineno, inliner, options={}, content=[]):
+    env = inliner.document.settings.env
+    if not typ:
+        typ = env.config.default_role
+    else:
+        typ = typ.lower()
+    text = utils.unescape(etext)
+    targetid = 'index-%s' % env.index_num
+    env.index_num += 1
+    indexnode = addnodes.index()
+    targetnode = nodes.target('', '', ids=[targetid])
+    inliner.document.note_explicit_target(targetnode)
+    if typ == 'envvar':
+        indexnode['entries'] = [('single', text, targetid, text),
+                                ('single', _('environment variable; %s') % text,
+                                 targetid, text)]
+        xref_nodes = xfileref_role(typ, rawtext, etext, lineno, inliner,
+                                   options, content)[0]
+        return [indexnode, targetnode] + xref_nodes, []
+    elif typ == 'pep':
+        indexnode['entries'] = [('single',
+                                 _('Python Enhancement Proposals!PEP %s') % text,
+                                 targetid, 'PEP %s' % text)]
+        try:
+            pepnum = int(text)
+        except ValueError:
+            msg = inliner.reporter.error('invalid PEP number %s' % text, line=lineno)
+            prb = inliner.problematic(rawtext, rawtext, msg)
+            return [prb], [msg]
+        ref = inliner.document.settings.pep_base_url + 'pep-%04d' % pepnum
+        sn = nodes.strong('PEP '+text, 'PEP '+text)
+        rn = nodes.reference('', '', refuri=ref)
+        rn += sn
+        return [indexnode, targetnode, rn], []
+    elif typ == 'rfc':
+        indexnode['entries'] = [('single', 'RFC; RFC %s' % text,
+                                 targetid, 'RFC %s' % text)]
+        try:
+            rfcnum = int(text)
+        except ValueError:
+            msg = inliner.reporter.error('invalid RFC number %s' % text, line=lineno)
+            prb = inliner.problematic(rawtext, rawtext, msg)
+            return [prb], [msg]
+        ref = inliner.document.settings.rfc_base_url + inliner.rfc_url % rfcnum
+        sn = nodes.strong('RFC '+text, 'RFC '+text)
+        rn = nodes.reference('', '', refuri=ref)
+        rn += sn
+        return [indexnode, targetnode, rn], []
+
+roles.register_canonical_role('envvar', indexmarkup_role)
+roles.register_local_role('pep', indexmarkup_role)
+roles.register_local_role('rfc', indexmarkup_role)
+
+
+# default is `literal`
+innernodetypes = {
+    'ref': nodes.emphasis,
+    'term': nodes.emphasis,
+    'token': nodes.strong,
+    'envvar': nodes.strong,
+    'option': addnodes.literal_emphasis,
+}
+
+def _fix_parens(typ, text, env):
+    if typ in ('func', 'meth', 'cfunc'):
+        if text.endswith('()'):
+            # remove parentheses
+            text = text[:-2]
+        if env.config.add_function_parentheses:
+            # add them back to all occurrences if configured
+            text += '()'
+    return text
+
+def xfileref_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
+    env = inliner.document.settings.env
+    if not typ:
+        typ = env.config.default_role
+    else:
+        typ = typ.lower()
+    text = utils.unescape(text)
+    # if the first character is a bang, don't cross-reference at all
+    if text[0:1] == '!':
+        text = _fix_parens(typ, text[1:], env)
+        return [innernodetypes.get(typ, nodes.literal)(
+            rawtext, text, classes=['xref'])], []
+    # we want a cross-reference, create the reference node
+    pnode = addnodes.pending_xref(rawtext, reftype=typ, refcaption=False,
+                                  modname=env.currmodule, classname=env.currclass)
+    # we may need the line number for warnings
+    pnode.line = lineno
+    # the link title may differ from the target, but by default they are the same
+    title = target = text
+    titleistarget = True
+    # look if explicit title and target are given with `foo <bar>` syntax
+    brace = text.find('<')
+    if brace != -1:
+        titleistarget = False
+        pnode['refcaption'] = True
+        m = caption_ref_re.match(text)
+        if m:
+            target = m.group(2)
+            title = m.group(1)
+        else:
+            # fallback: everything after '<' is the target
+            target = text[brace+1:]
+            title = text[:brace]
+    # special target for Python object cross-references
+    if typ in ('data', 'exc', 'func', 'class', 'const', 'attr', 'meth', 'mod', 'obj'):
+        # fix-up parentheses in link title
+        if titleistarget:
+            title = title.lstrip('.')   # only has a meaning for the target
+            target = target.lstrip('~') # only has a meaning for the title
+            title = _fix_parens(typ, title, env)
+            # if the first character is a tilde, don't display the module/class
+            # parts of the contents
+            if title[0:1] == '~':
+                title = title[1:]
+                dot = title.rfind('.')
+                if dot != -1:
+                    title = title[dot+1:]
+        # remove parentheses from the target too
+        if target.endswith('()'):
+            target = target[:-2]
+        # if the first character is a dot, search more specific namespaces first
+        # else search builtins first
+        if target[0:1] == '.':
+            target = target[1:]
+            pnode['refspecific'] = True
+    # some other special cases for the target
+    elif typ == 'option':
+        program = env.currprogram
+        if titleistarget:
+            if ' ' in title and not (title.startswith('/') or title.startswith('-')):
+                program, target = re.split(' (?=-|--|/)', title, 1)
+                program = ws_re.sub('-', program)
+                target = target.strip()
+        elif ' ' in target:
+            program, target = re.split(' (?=-|--|/)', target, 1)
+            program = ws_re.sub('-', program)
+        pnode['refprogram'] = program
+    elif typ == 'term':
+        # normalize whitespace in definition terms (if the term reference is
+        # broken over a line, a newline will be in target)
+        target = ws_re.sub(' ', target).lower()
+    elif typ == 'ref':
+        # reST label names are always lowercased
+        target = ws_re.sub('', target).lower()
+    else:
+        # remove all whitespace to avoid referencing problems
+        target = ws_re.sub('', target)
+    pnode['reftarget'] = target
+    pnode += innernodetypes.get(typ, nodes.literal)(rawtext, title, classes=['xref'])
+    return [pnode], []
+
+
+def menusel_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
+    return [nodes.emphasis(
+        rawtext, utils.unescape(text).replace('-->', u'\N{TRIANGULAR BULLET}'))], []
+
+
+_litvar_re = re.compile('{([^}]+)}')
+
+def emph_literal_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
+    text = utils.unescape(text)
+    pos = 0
+    retnode = nodes.literal(role=typ.lower())
+    for m in _litvar_re.finditer(text):
+        if m.start() > pos:
+            txt = text[pos:m.start()]
+            retnode += nodes.Text(txt, txt)
+        retnode += nodes.emphasis(m.group(1), m.group(1))
+        pos = m.end()
+    if pos < len(text):
+        retnode += nodes.Text(text[pos:], text[pos:])
+    return [retnode], []
+
+
+specific_docroles = {
+    'data': xfileref_role,
+    'exc': xfileref_role,
+    'func': xfileref_role,
+    'class': xfileref_role,
+    'const': xfileref_role,
+    'attr': xfileref_role,
+    'meth': xfileref_role,
+    'obj': xfileref_role,
+    'cfunc' : xfileref_role,
+    'cmember': xfileref_role,
+    'cdata': xfileref_role,
+    'ctype': xfileref_role,
+    'cmacro': xfileref_role,
+
+    'mod': xfileref_role,
+
+    'keyword': xfileref_role,
+    'ref': xfileref_role,
+    'token': xfileref_role,
+    'term': xfileref_role,
+    'option': xfileref_role,
+
+    'menuselection': menusel_role,
+    'file': emph_literal_role,
+    'samp': emph_literal_role,
+}
+
+for rolename, func in specific_docroles.iteritems():
+    roles.register_canonical_role(rolename, func)