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-rw-r--r--markdown_extensions/footnotes.py71
1 files changed, 22 insertions, 49 deletions
diff --git a/markdown_extensions/footnotes.py b/markdown_extensions/footnotes.py
index b46efbb..39379f3 100644
--- a/markdown_extensions/footnotes.py
+++ b/markdown_extensions/footnotes.py
@@ -23,16 +23,15 @@ Example:
"""
-FN_BACKLINK_TEXT = "zz1337820767766393qq"
-
-
import re, markdown, random
from markdown import etree
-class FootnoteExtension (markdown.Extension):
+FN_BACKLINK_TEXT = "zz1337820767766393qq"
+DEF_RE = re.compile(r'(\ ?\ ?\ ?)\[\^([^\]]*)\]:\s*(.*)')
+SHORT_USE_RE = re.compile(r'\[\^([^\]]*)\]', re.M) # [^a]
+
- DEF_RE = re.compile(r'(\ ?\ ?\ ?)\[\^([^\]]*)\]:\s*(.*)')
- SHORT_USE_RE = re.compile(r'\[\^([^\]]*)\]', re.M) # [^a]
+class FootnoteExtension (markdown.Extension):
def __init__ (self, configs) :
@@ -40,39 +39,33 @@ class FootnoteExtension (markdown.Extension):
["///Footnotes Go Here///",
"The text string that marks where the footnotes go"]}
+ self.parser = markdown.MarkdownParser()
+
for key, value in configs :
self.config[key][0] = value
self.reset()
def extendMarkdown(self, md, md_globals) :
-
- self.md = md
-
# Stateless extensions do not need to be registered
md.registerExtension(self)
+ self.inlineProcessor = markdown.InlineProcessor(md.inlinePatterns.heapsorted())
# Insert a preprocessor before ReferencePreprocessor
- index = md.preprocessors.index(md_globals['REFERENCE_PREPROCESSOR'])
- preprocessor = FootnotePreprocessor(self)
- preprocessor.md = md
- md.preprocessors.insert(index, preprocessor)
+ md.preprocessors.add("footnote", FootnotePreprocessor(self),
+ "<reference")
# Insert an inline pattern before ImageReferencePattern
FOOTNOTE_RE = r'\[\^([^\]]*)\]' # blah blah [^1] blah
- index = md.inlinePatterns.index(md_globals['IMAGE_REFERENCE_PATTERN'])
- md.inlinePatterns.insert(index, FootnotePattern(FOOTNOTE_RE, self))
+ md.inlinePatterns.add("footnote", FootnotePattern(FOOTNOTE_RE, self),
+ "<reference")
# Insert a post-processor that would actually add the footnote div
- postprocessor = FootnotePostprocessor(self)
- postprocessor.extension = self
-
- md.postprocessors.append(postprocessor)
-
- textPostprocessor = FootnoteTextPostprocessor(self)
-
- md.textPostprocessors.append(textPostprocessor)
+ md.postprocessors.add("footnote", FootnotePostprocessor(self),
+ "_end")
+ md.textPostprocessors.add("footnote", FootnoteTextPostprocessor(self),
+ ">amp_substitute")
def reset(self) :
# May be called by Markdown is state reset is desired
@@ -97,7 +90,6 @@ class FootnoteExtension (markdown.Extension):
res = finder(root)
return res
-
def setFootnote(self, id, text) :
self.footnotes[id] = text
@@ -129,8 +121,7 @@ class FootnoteExtension (markdown.Extension):
for i, id in footnotes :
li = etree.SubElement(ol, "li")
li.set("id", self.makeFootnoteId(i))
-
- self.md._processSection(li, self.footnotes[id].split("\n"), looseList=1)
+ self.parser.parseChunk(li, self.footnotes[id].split("\n"), looseList=1)
backlink = etree.Element("a")
backlink.set("href", "#" + self.makeFootnoteRefId(i))
@@ -148,7 +139,7 @@ class FootnoteExtension (markdown.Extension):
else:
p = etree.SubElement(li, "p")
p.append(backlink)
- div = self.md.applyInlinePatterns(etree.ElementTree(div)).getroot()
+ div = self.inlineProcessor.applyInlinePatterns(etree.ElementTree(div)).getroot()
return div
@@ -158,23 +149,17 @@ class FootnotePreprocessor :
self.footnotes = footnotes
def run(self, lines) :
-
- self.blockGuru = markdown.BlockGuru()
lines = self._handleFootnoteDefinitions (lines)
# Make a hash of all footnote marks in the text so that we
# know in what order they are supposed to appear. (This
# function call doesn't really substitute anything - it's just
# a way to get a callback for each occurence.
-
text = "\n".join(lines)
- self.footnotes.SHORT_USE_RE.sub(self.recordFootnoteUse, text)
-
+ SHORT_USE_RE.sub(self.recordFootnoteUse, text)
return text.split("\n")
-
def recordFootnoteUse(self, match) :
-
id = match.group(1)
id = id.strip()
nextNum = len(self.footnotes.used_footnotes.keys()) + 1
@@ -191,18 +176,13 @@ class FootnotePreprocessor :
i, id, footnote = self._findFootnoteDefinition(lines)
if id :
-
plain = lines[:i]
-
- detabbed, theRest = self.blockGuru.detectTabbed(lines[i+1:])
-
+ detabbed, theRest = self.footnotes.parser.detectTabbed(lines[i+1:])
self.footnotes.setFootnote(id,
footnote + "\n"
+ "\n".join(detabbed))
-
more_plain = self._handleFootnoteDefinitions(theRest)
return plain + [""] + more_plain
-
else :
return lines
@@ -214,17 +194,15 @@ class FootnotePreprocessor :
counter = 0
for line in lines :
- m = self.footnotes.DEF_RE.match(line)
+ m = DEF_RE.match(line)
if m :
return counter, m.group(2), m.group(3)
counter += 1
return counter, None, None
-
class FootnotePattern (markdown.Pattern) :
def __init__ (self, pattern, footnotes) :
-
markdown.Pattern.__init__(self, pattern)
self.footnotes = footnotes
@@ -246,8 +224,7 @@ class FootnotePostprocessor (markdown.Postprocessor):
def run(self, root):
footnotesDiv = self.footnotes.makeFootnotesDiv(root)
if footnotesDiv:
- result = self.extension.findFootnotesPlaceholder(root)
-
+ result = self.footnotes.findFootnotesPlaceholder(root)
if result:
node, isText = result
if isText:
@@ -258,16 +235,12 @@ class FootnotePostprocessor (markdown.Postprocessor):
ind = element.getchildren().find(child)
element.getchildren().insert(ind + 1, footnotesDiv)
child.tail = None
-
fnPlaceholder.parent.replaceChild(fnPlaceholder, footnotesDiv)
else :
root.append(footnotesDiv)
class FootnoteTextPostprocessor (markdown.Postprocessor):
- def __init__ (self, footnotes) :
- self.footnotes = footnotes
-
def run(self, text) :
return text.replace(FN_BACKLINK_TEXT, "&#8617;")