Source code for pyquickhelper.sphinxext.sphinx_bigger_extension
# -*- coding: utf-8 -*-
"""
Defines a :epkg:`sphinx` extension to display bigger text.
:githublink:`%|py|6`
"""
import html as cgiesc
import sphinx
from docutils import nodes
from sphinx.util.logging import getLogger
[docs]class bigger_node(nodes.Element):
"""
Defines *bigger* node.
:githublink:`%|py|16`
"""
pass
[docs]def bigger_role(role, rawtext, text, lineno, inliner, options=None, content=None):
"""
Defines custom role *bigger*. The following instructions defines
buttons of size 20 (:bigger:`text`):
::
:bigger:`text`
Or to specify a different :bigger:`::5:size` :
::
:bigger:`::5:size`
:param role: The role name used in the document.
:param rawtext: The entire markup snippet, with role.
:param text: The text marked with the role.
:param lineno: The line number where rawtext appears in the input.
:param inliner: The inliner instance that called us.
:param options: Directive options for customization.
:param content: The directive content for customization.
:githublink:`%|py|42`
"""
if options is None:
options = {}
if content is None:
content = []
if text.startswith("::"):
size, text = text[2:].split(':')
else:
size = "4"
node = bigger_node(text=text, size=size)
node['classes'] += ["bigger"]
return [node], []
[docs]def depart_bigger_node_html(self, node):
"""
what to do when leaving a node *bigger*
the function should have different behaviour,
depending on the format, or the setup should
specify a different function for each.
It does only html for the time being.
:githublink:`%|py|64`
"""
self.body.append(
'<font size="{1}">{0}</font>'.format(cgiesc.escape(node["text"]), node["size"]))
[docs]def visit_bigger_node_rst(self, node):
"""
what to do when visiting a node *bigger*
the function should have different behaviour,
depending on the format, or the setup should
specify a different function for each.
:githublink:`%|py|75`
"""
self.add_text(':bigger:`')
self.add_text(node["text"])
[docs]def depart_bigger_node_rst(self, node):
"""
depart bigger_node for rst
:githublink:`%|py|83`
"""
self.add_text('`')
[docs]def visit_bigger_node_latex(self, node):
"""
what to do when visiting a node *bigger*
the function should have different behaviour,
depending on the format, or the setup should
specify a different function for each.
:githublink:`%|py|93`
"""
self.add_text('\\huge{')
self.add_text(node["text"])
[docs]def depart_bigger_node_latex(self, node):
"""
depart bigger_node for latex
:githublink:`%|py|101`
"""
self.add_text('}')
[docs]def visit_bigger_node(self, node):
"""
what to do when visiting a node *bigger*
the function should have different behaviour,
depending on the format, or the setup should
specify a different function for each.
:githublink:`%|py|111`
"""
pass
[docs]def depart_bigger_node(self, node):
"""
depart bigger_node for format other than html
:githublink:`%|py|118`
"""
logger = getLogger("bigger")
logger.warning("[depart_bigger_node] output only available for HTML not for '{0}'".format(
type(self)))
[docs]def setup(app):
"""
setup for ``bigger`` (sphinx)
:githublink:`%|py|127`
"""
if hasattr(app, "add_mapping"):
app.add_mapping('bigger', bigger_node)
app.add_node(bigger_node,
html=(visit_bigger_node, depart_bigger_node_html),
epub=(visit_bigger_node, depart_bigger_node_html),
latex=(visit_bigger_node_latex, depart_bigger_node_latex),
elatex=(visit_bigger_node_latex, depart_bigger_node_latex),
text=(visit_bigger_node, depart_bigger_node),
md=(visit_bigger_node, depart_bigger_node),
rst=(visit_bigger_node_rst, depart_bigger_node_rst))
app.add_role('bigger', bigger_role)
return {'version': sphinx.__display_version__, 'parallel_read_safe': True}