diff options
Diffstat (limited to 'markdown.py')
| -rw-r--r-- | markdown.py | 167 |
1 files changed, 130 insertions, 37 deletions
diff --git a/markdown.py b/markdown.py index a187990..6b3e57a 100644 --- a/markdown.py +++ b/markdown.py @@ -1,5 +1,7 @@ #!/usr/bin/env python +SPEED_TEST = 0 + """ ==================================================================== IF YOU ARE LOOKING TO EXTEND MARKDOWN, SEE THE "FOOTNOTES" SECTION @@ -21,7 +23,7 @@ Contact: yuri [at] freewisdom.org License: GPL 2 (http://www.gnu.org/copyleft/gpl.html) or BSD -Version: 1.3 (Feb. 28, 2006) +Version: 1.5 (May 15, 2006) For changelog, see end of file """ @@ -187,7 +189,7 @@ class Element : value = self.attribute_values[attr] value = self.doc.normalizeEntities(value) buffer += ' %s="%s"' % (attr, value) - if self.childNodes : + if self.childNodes or self.nodeName in ['blockquote']: buffer += ">" for child in self.childNodes : buffer += child.toxml() @@ -271,6 +273,9 @@ class HeaderPreprocessor : if not lines[i] : continue + if lines[i].startswith("#") : + lines.insert(i+1, "\n") + if (i+1 <= len(lines) and lines[i+1] and lines[i+1][0] in ['-', '=']) : @@ -798,7 +803,9 @@ class Markdown: """Creates a new Markdown instance. @param source: The text in Markdown format. """ - + + if isinstance(source, unicode): + source = source.encode('utf8') self.source = source self.blockGuru = BlockGuru() self.registeredExtensions = [] @@ -816,6 +823,9 @@ class Markdown: self.postprocessors = [] # a footnote postprocessor will get # inserted later + self.prePatterns = [] + + self.inlinePatterns = [ DOUBLE_BACKTICK_PATTERN, BACKTICK_PATTERN, ESCAPE_PATTERN, @@ -889,7 +899,18 @@ class Markdown: self.lines = prep.run(self.lines) # Create a NanoDom tree from the lines and attach it to Document - self._processSection(self.top_element, self.lines) + + + buffer = [] + for line in self.lines : + if line.startswith("#") : + self._processSection(self.top_element, buffer) + buffer = [line] + else : + buffer.append(line) + self._processSection(self.top_element, buffer) + + #self._processSection(self.top_element, self.lines) # Not sure why I put this in but let's leave it for now. self.top_element.appendChild(self.doc.createTextNode('\n')) @@ -972,14 +993,14 @@ class Markdown: level = len(m.group(1)) h = self.doc.createElement("h%d" % level) parent_elem.appendChild(h) - for item in self._handleInlineWrapper(m.group(2)) : + for item in self._handleInlineWrapper2(m.group(2).strip()) : h.appendChild(item) else : message(CRITICAL, "We've got a problem header!") elif paragraph : - list = self._handleInlineWrapper("\n".join(paragraph)) + list = self._handleInlineWrapper2("\n".join(paragraph)) if ( parent_elem.nodeName == 'li' and not (looseList or parent_elem.childNodes)): @@ -1052,7 +1073,8 @@ class Markdown: break # Check if the next non-blank line is still a part of the list - if ( RE.regExp[listexpr].match(next) or + if ( RE.regExp['ul'].match(next) or + RE.regExp['ol'].match(next) or RE.regExp['tabbed'].match(next) ): # get rid of any white space in the line items[item].append(line.strip()) @@ -1064,11 +1086,11 @@ class Markdown: # Now we need to detect list items (at the current level) # while also detabing child elements if necessary - for expr in [listexpr, 'tabbed']: + for expr in ['ul', 'ol', 'tabbed']: m = RE.regExp[expr].match(line) if m : - if expr == listexpr : # We are looking at a new item + if expr in ['ul', 'ol'] : # We are looking at a new item if m.group(1) : items.append([m.group(1)]) item += 1 @@ -1164,25 +1186,65 @@ class Markdown: self._processSection(parent_elem, theRest, inList) + def _handleInlineWrapper2 (self, line) : + + + parts = [line] + + #if not(line): + # return [self.doc.createTextNode(' ')] + + for pattern in self.inlinePatterns : + + #print + #print self.inlinePatterns.index(pattern) + + i = 0 + + #print parts + while i < len(parts) : + + x = parts[i] + #print i + if isinstance(x, (str, unicode)) : + result = self._applyPattern(x, pattern) + #print result + #print result + #print parts, i + if result : + i -= 1 + parts.remove(x) + for y in result : + parts.insert(i+1,y) + + i += 1 + + for i in range(len(parts)) : + x = parts[i] + if isinstance(x, (str, unicode)) : + parts[i] = self.doc.createTextNode(x) + + return parts + + + def _handleInlineWrapper (self, line) : # A wrapper around _handleInline to avoid recursion - strtype = type("string") parts = [line] - dirty = 1 - - while dirty: - dirty = 0 - for x in parts : - if type(x) == strtype : - i = parts.index(x) - parts.remove(x) - result = self._handleInline(x) - result.reverse() - for y in result : - parts.insert(i,y) - dirty = 1 + + i = 0 + + while i < len(parts) : + x = parts[i] + if isinstance(x, (str, unicode)) : + parts.remove(x) + result = self._handleInline(x) + for y in result : + parts.insert(i,y) + else : + i += 1 return parts @@ -1194,16 +1256,10 @@ class Markdown: See notes on inline patterns above. @param item: A block of Markdown text - @return: A list of NanoDomnodes """ + @return: A list of NanoDom nodes """ + if not(line): return [self.doc.createTextNode(' ')] - # two spaces at the end of the line denote a <br/> - #if line.endswith(' '): - # list = self._handleInline( line.rstrip()) - # list.append(self.doc.createElement('br')) - # return list - # - # ::TODO:: Replace with a preprocessor for pattern in self.inlinePatterns : list = self._applyPattern( line, pattern) @@ -1235,9 +1291,11 @@ class Markdown: node = pattern.handleMatch(m, self.doc) if node : - return [m.group(1), # the string to the right of the match - node, # the new node - m.groups()[-1]] # the string to the left + # Those are in the reverse order! + return ( m.groups()[-1], # the string to the left + node, # the new node + m.group(1)) # the string to the right of the match + else : return None @@ -1266,6 +1324,9 @@ class Markdown: if self.stripTopLevelTags : xml = xml.strip()[23:-7] + if isinstance(xml, unicode) : + xml = xml.encode("utf8") + return xml @@ -1294,6 +1355,8 @@ class FootnoteExtension : DEF_RE = re.compile(r'(\ ?\ ?\ ?)\[\^([^\]]*)\]:\s*(.*)') SHORT_USE_RE = re.compile(r'\[\^([^\]]*)\]', re.M) # [^a] + FN_PLACE_MARKER = "///Footnotes Go Here///" + def __init__ (self) : self.reset() @@ -1316,7 +1379,11 @@ class FootnoteExtension : md.inlinePatterns.insert(index, FootnotePattern(FOOTNOTE_RE, self)) # Insert a post-processor that would actually add the footnote div - md.postprocessors.append(FootnotePostprocessor(self)) + postprocessor = FootnotePostprocessor(self) + postprocessor.extension = self + + md.postprocessors.append(postprocessor) + def reset(self) : # May be called by Markdown is state reset is desired @@ -1325,6 +1392,17 @@ class FootnoteExtension : self.used_footnotes={} self.footnotes = {} + def findFootnotesPlaceholder(self, doc) : + def findFootnotePlaceholderFn(node=None, indent=0): + if node.type == 'text': + if node.value.find(self.FN_PLACE_MARKER) > -1 : + return True + + fn_div_list = doc.find(findFootnotePlaceholderFn) + if fn_div_list : + return fn_div_list[0] + + def setFootnote(self, id, text) : self.footnotes[id] = text @@ -1475,13 +1553,17 @@ class FootnotePostprocessor : def run(self, doc) : footnotesDiv = self.footnotes.makeFootnotesDiv(doc) if footnotesDiv : - doc.documentElement.appendChild(footnotesDiv) + fnPlaceholder = self.extension.findFootnotesPlaceholder(doc) + if fnPlaceholder : + fnPlaceholder.parent.replaceChild(fnPlaceholder, footnotesDiv) + else : + doc.documentElement.appendChild(footnotesDiv) # ==================================================================== def markdown(text) : message(VERBOSE, "in markdown.py, received text:\n%s" % text) - return str(Markdown(text)) + return Markdown(text).toString() def markdownWithFootnotes(text): message(VERBOSE, "Running markdown with footnotes, " @@ -1697,12 +1779,23 @@ if __name__ == '__main__': if testing: test_markdown(args) else: + import time + t0 = time.time() + #for x in range(10) : cmd_line(args) + #import profile + #profile.run('cmd_line(args)', 'profile') + t1 = time.time() + #print "Time: %f - %f = %f" % (t1, t0, t1-t0) """ CHANGELOG ========= +May 15, 2006: A bug with lists, recursion on block-level elements, +run-in headers, spaces before headers, unicode input (thanks to Aaron +Swartz). Sourceforge tracker #s: 1489313, 1489312, 1489311, 1488370, +1485178, 1485176. (v. 1.5) Mar. 24, 2006: Switched to a not-so-recursive algorithm with _handleInline. (Version 1.4) |