def html_visit_displaymath(self: HTMLTranslator, node: nodes.math_block) -> None:
self.body.append(self.starttag(node, 'div', CLASS='math notranslate nohighlight'))
if node['nowrap']:
self.body.append(self.encode(node.astext()))
self.body.append('</div>')
raise nodes.SkipNode
# necessary to e.g. set the id property correctly
if node['number']:
number = get_node_equation_number(self, node)
self.body.append('<span class="eqno">(%s)' % number)
self.add_permalink_ref(node, _('Permalink to this equation'))
self.body.append('</span>')
self.body.append(self.builder.config.mathjax_display[0])
parts = [prt for prt in node.astext().split('\n\n') if prt.strip()]
if len(parts) > 1: # Add alignment if there are more than 1 equation
self.body.append(r' \begin{align}\begin{aligned}')
for i, part in enumerate(parts):
part = self.encode(part)
if r'\\' in part:
self.body.append(r'\begin{split}' + part + r'\end{split}')
else:
self.body.append(part)
if i < len(parts) - 1: # append new line if not the last equation
self.body.append(r'\\')
if len(parts) > 1: # Add alignment if there are more than 1 equation
self.body.append(r'\end{aligned}\end{align} ')
self.body.append(self.builder.config.mathjax_display[1])
self.body.append('</div>\n')
raise nodes.SkipNode
def html_visit_displaymath(self: HTMLTranslator,
node: nodes.math_block) -> None:
if node['nowrap']:
latex = node.astext()
else:
latex = wrap_displaymath(node.astext(), None, False)
try:
fname, depth = render_math(self, latex)
except MathExtError as exc:
msg = str(exc)
sm = nodes.system_message(msg,
type='WARNING',
level=2,
backrefs=[],
source=node.astext())
sm.walkabout(self)
logger.warning(__('inline latex %r: %s'), node.astext(), msg)
raise nodes.SkipNode from exc
self.body.append(self.starttag(node, 'div', CLASS='math'))
self.body.append('<p>')
if node['number']:
number = get_node_equation_number(self, node)
self.body.append('<span class="eqno">(%s)' % number)
self.add_permalink_ref(node, _('Permalink to this equation'))
self.body.append('</span>')
if fname is None:
# something failed -- use text-only as a bad substitute
self.body.append('<span class="math">%s</span></p>\n</div>' %
self.encode(node.astext()).strip())
else:
self.body.append(('<img src="%s"' % fname) + get_tooltip(self, node) +
'/></p>\n</div>')
raise nodes.SkipNode
def html_visit_displaymath(self: HTMLTranslator,
node: nodes.math_block) -> None:
if node['nowrap']:
self.body.append(
self.starttag(node, 'div', CLASS='math notranslate nohighlight'))
self.body.append(self.encode(node.astext()))
self.body.append('</div>')
raise nodes.SkipNode
for i, part in enumerate(node.astext().split('\n\n')):
part = self.encode(part)
if i == 0:
# necessary to e.g. set the id property correctly
if node['number']:
number = get_node_equation_number(self, node)
self.body.append('<span class="eqno">(%s)' % number)
self.add_permalink_ref(node, _('Permalink to this equation'))
self.body.append('</span>')
self.body.append(
self.starttag(node,
'div',
CLASS='math notranslate nohighlight'))
else:
# but only once!
self.body.append('<div class="math">')
if '&' in part or '\\\\' in part:
self.body.append('\\begin{split}' + part + '\\end{split}')
else:
self.body.append(part)
self.body.append('</div>\n')
raise nodes.SkipNode
def html_visit_displaymath(self: HTMLTranslator,
node: nodes.math_block) -> None:
"""Override for sphinx.ext.mathjax.html_visit_displaymath to handle amsmath.
By default displaymath, are normally wrapped in a prefix/suffix,
defined by mathjax_display, and labelled nodes are numbered.
However, this is not the case if the math_block is set as 'nowrap', as for amsmath.
Therefore, we need to override this behaviour.
"""
if "amsmath" in node.get("classes", []):
self.body.append(
self.starttag(node,
"div",
CLASS="math notranslate nohighlight amsmath"))
if node["number"]:
number = get_node_equation_number(self, node)
self.body.append('<span class="eqno">(%s)' % number)
self.add_permalink_ref(node, _("Permalink to this equation"))
self.body.append("</span>")
prefix, suffix = self.builder.config.mathjax_display
self.body.append(prefix)
self.body.append(self.encode(node.astext()))
self.body.append(suffix)
self.body.append("</div>\n")
raise nodes.SkipNode
return mathjax.html_visit_displaymath(self, node)
def html_visit_displaymath(self: HTMLTranslator,
node: nodes.math_block) -> None:
if node.get('label') and node['number']:
label = "equation:%s:%s" % (node['docname'], node['label'])
number = get_node_equation_number(self, node)
else:
label = None
number = None
self.body.append(
self.starttag(node, 'div', CLASS='math notranslate nohighlight'))
if node.get('nowrap'):
if label:
self.body.append(r'\label{%s}' % label)
if number:
self.body.append(r'\tag{%s}' % label)
self.body.append(node.astext())
else:
self.body.append(tag_displaymath(node.astext(), label, number, False))
self.body.append('</div>\n')
# if node.get('label'):
# label = "equation:%s:%s" % (node['docname'], node['label'])
# else:
# label = None
# self.body.append(self.starttag(node, 'div', CLASS='math notranslate nohighlight'))
# if node.get('nowrap'):
# if label:
# self.body.append(r'\label{%s}' % label)
# self.body.append(node.astext())
# else:
# self.body.append(wrap_displaymath(node.astext(), label, False))
# self.body.append('</div>\n')
# self.body.append(self.starttag(node, 'div', CLASS='math notranslate nohighlight'))
# if node['nowrap']:
# self.body.append(self.encode(node.astext()))
# self.body.append('</div>')
# raise nodes.SkipNode
# # necessary to e.g. set the id property correctly
# if node['number']:
# # number = get_node_equation_number(self, node)
# # self.body.append('<span class="eqno">(%s)' % number)
# # self.add_permalink_ref(node, _('Permalink to this equation'))
# # self.body.append('</span>')
# self.body.append(self.builder.config.mathjax_display[0])
# parts = [prt for prt in node.astext().split('\n\n') if prt.strip()]
# if len(parts) > 1: # Add alignment if there are more than 1 equation
# self.body.append(r' \begin{aligned}')
# for i, part in enumerate(parts):
# part = self.encode(part)
# if r'\\' in part:
# self.body.append(r'\begin{split}' + part + r'\end{split}')
# else:
# self.body.append(part)
# if i < len(parts) - 1: # append new line if not the last equation
# self.body.append(r'\\')
# if len(parts) > 1: # Add alignment if there are more than 1 equation
# self.body.append(r'\end{aligned} ')
# self.body.append(self.builder.config.mathjax_display[1])
# self.body.append('</div>\n')
# self.body.append(self.builder.config.mathjax_display[0] +
# self.encode(node.astext()) +
# self.builder.config.mathjax_display[1])
raise nodes.SkipNode