diff options
| author | eliott <eliott@cactuswax.net> | 2008-03-08 00:13:41 -0800 |
|---|---|---|
| committer | eliott <eliott@cactuswax.net> | 2008-03-08 00:13:41 -0800 |
| commit | 9b7b5122544283fc32d81d785e94c5f4aacc0109 (patch) | |
| tree | ba117f7fadc24737920fa4f1b9a711157e629cc5 /lib/markdown.py | |
| parent | 7e2d0f2f0cd8f176cf82c02d704ad4fe25a07b3b (diff) | |
Moved models around
Diffstat (limited to 'lib/markdown.py')
| -rw-r--r-- | lib/markdown.py | 1875 |
1 files changed, 0 insertions, 1875 deletions
diff --git a/lib/markdown.py b/lib/markdown.py deleted file mode 100644 index d780994f..00000000 --- a/lib/markdown.py +++ /dev/null @@ -1,1875 +0,0 @@ -#!/usr/bin/env python - -SPEED_TEST = 0 - -""" -==================================================================== -IF YOU ARE LOOKING TO EXTEND MARKDOWN, SEE THE "FOOTNOTES" SECTION -==================================================================== - -Python-Markdown -=============== - -Converts Markdown to HTML. Basic usage as a module: - - import markdown - html = markdown.markdown(your_text_string) - -Started by [Manfred Stienstra](http://www.dwerg.net/). Continued and -maintained by [Yuri Takhteyev](http://www.freewisdom.org). - -Project website: http://www.freewisdom.org/projects/python-markdown -Contact: yuri [at] freewisdom.org - -License: GPL 2 (http://www.gnu.org/copyleft/gpl.html) or BSD - -Version: 1.5 (May 15, 2006) - -For changelog, see end of file -""" - -import re, sys, os, random - -# set debug level: 3 none, 2 critical, 1 informative, 0 all -(VERBOSE, INFO, CRITICAL, NONE) = range(4) - -MESSAGE_THRESHOLD = CRITICAL - -def message(level, text) : - if level >= MESSAGE_THRESHOLD : - print text - - -# --------------- CONSTANTS YOU MIGHT WANT TO MODIFY ----------------- - -# all tabs will be expanded to up to this many spaces -TAB_LENGTH = 4 -ENABLE_ATTRIBUTES = 1 -SMART_EMPHASIS = 1 - -# --------------- CONSTANTS YOU _SHOULD NOT_ HAVE TO CHANGE ---------- - -FN_BACKLINK_TEXT = "zz1337820767766393qq" -# a template for html placeholders -HTML_PLACEHOLDER_PREFIX = "qaodmasdkwaspemas" -HTML_PLACEHOLDER = HTML_PLACEHOLDER_PREFIX + "%dajkqlsmdqpakldnzsdfls" - -BLOCK_LEVEL_ELEMENTS = ['p', 'div', 'blockquote', 'pre', 'table', - 'dl', 'ol', 'ul', 'script', 'noscript', - 'form', 'fieldset', 'iframe', 'math', 'ins', - 'del', 'hr', 'hr/'] - -def is_block_level (tag) : - return ( (tag in BLOCK_LEVEL_ELEMENTS) or - (tag[0] == 'h' and tag[1] in "0123456789") ) - -""" -====================================================================== -========================== NANODOM =================================== -====================================================================== - -The three classes below implement some of the most basic DOM -methods. I use this instead of minidom because I need a simpler -functionality and do not want to require additional libraries. - -Importantly, NanoDom does not do normalization, which is what we -want. It also adds extra white space when converting DOM to string -""" - - -class Document : - - def appendChild(self, child) : - self.documentElement = child - child.parent = self - self.entities = {} - - def createElement(self, tag, textNode=None) : - el = Element(tag) - el.doc = self - if textNode : - el.appendChild(self.createTextNode(textNode)) - return el - - def createTextNode(self, text) : - node = TextNode(text) - node.doc = self - return node - - def createEntityReference(self, entity): - if entity not in self.entities: - self.entities[entity] = EntityReference(entity) - return self.entities[entity] - - def toxml (self) : - return self.documentElement.toxml() - - def normalizeEntities(self, text) : - - pairs = [ #("&", "&"), - ("<", "<"), - (">", ">"), - ("\"", """)] - - for old, new in pairs : - text = text.replace(old, new) - return text - - def find(self, test) : - return self.documentElement.find(test) - - def unlink(self) : - self.documentElement.unlink() - self.documentElement = None - - -class Element : - - type = "element" - - def __init__ (self, tag) : - - self.nodeName = tag - self.attributes = [] - self.attribute_values = {} - self.childNodes = [] - - def unlink(self) : - for child in self.childNodes : - if child.type == "element" : - child.unlink() - self.childNodes = None - - def setAttribute(self, attr, value) : - if not attr in self.attributes : - self.attributes.append(attr) - - self.attribute_values[attr] = value - - def insertChild(self, position, child) : - self.childNodes.insert(position, child) - child.parent = self - - def removeChild(self, child) : - self.childNodes.remove(child) - - def replaceChild(self, oldChild, newChild) : - position = self.childNodes.index(oldChild) - self.removeChild(oldChild) - self.insertChild(position, newChild) - - def appendChild(self, child) : - self.childNodes.append(child) - child.parent = self - - def handleAttributes(self) : - pass - - def find(self, test, depth=0) : - """ Returns a list of descendants that pass the test function """ - matched_nodes = [] - for child in self.childNodes : - if test(child) : - matched_nodes.append(child) - if child.type == "element" : - matched_nodes += child.find(test, depth+1) - return matched_nodes - - def toxml(self): - if ENABLE_ATTRIBUTES : - for child in self.childNodes: - child.handleAttributes() - buffer = "" - if self.nodeName in ['h1', 'h2', 'h3', 'h4'] : - buffer += "\n" - elif self.nodeName in ['li'] : - buffer += "\n " - buffer += "<" + self.nodeName - for attr in self.attributes : - value = self.attribute_values[attr] - value = self.doc.normalizeEntities(value) - buffer += ' %s="%s"' % (attr, value) - if self.childNodes or self.nodeName in ['blockquote']: - buffer += ">" - for child in self.childNodes : - buffer += child.toxml() - if self.nodeName == 'p' : - buffer += "\n" - elif self.nodeName == 'li' : - buffer += "\n " - buffer += "</%s>" % self.nodeName - else : - buffer += "/>" - if self.nodeName in ['p', 'li', 'ul', 'ol', - 'h1', 'h2', 'h3', 'h4'] : - buffer += "\n" - - return buffer - - -class TextNode : - - type = "text" - attrRegExp = re.compile(r'\{@([^\}]*)=([^\}]*)}') # {@id=123} - - def __init__ (self, text) : - self.value = text - - def attributeCallback(self, match) : - self.parent.setAttribute(match.group(1), match.group(2)) - - def handleAttributes(self) : - self.value = self.attrRegExp.sub(self.attributeCallback, self.value) - - def toxml(self) : - text = self.value - if not text.startswith(HTML_PLACEHOLDER_PREFIX): - if self.parent.nodeName == "p" : - text = text.replace("\n", "\n ") - elif (self.parent.nodeName == "li" - and self.parent.childNodes[0]==self): - text = "\n " + text.replace("\n", "\n ") - text = self.doc.normalizeEntities(text) - return text - - -class EntityReference: - - type = "entity_ref" - - def __init__(self, entity): - self.entity = entity - - def handleAttributes(self): - pass - - def toxml(self): - return "&" + self.entity + ";" - - -""" -====================================================================== -========================== PRE-PROCESSORS ============================ -====================================================================== - -Preprocessors munge source text before we start doing anything too -complicated. - -Each preprocessor implements a "run" method that takes a pointer to -a list of lines of the document, modifies it as necessary and -returns either the same pointer or a pointer to a new list. -""" - -class HeaderPreprocessor : - - """ - Replaces underlined headers with hashed headers to avoid - the nead for lookahead later. - """ - - def run (self, lines) : - - for i in range(len(lines)) : - 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 ['-', '=']) : - - underline = lines[i+1].strip() - - if underline == "="*len(underline) : - lines[i] = "# " + lines[i].strip() - lines[i+1] = "" - elif underline == "-"*len(underline) : - lines[i] = "## " + lines[i].strip() - lines[i+1] = "" - - return lines - -HEADER_PREPROCESSOR = HeaderPreprocessor() - -class LinePreprocessor : - """Deals with HR lines (needs to be done before processing lists)""" - - def run (self, lines) : - for i in range(len(lines)) : - if self._isLine(lines[i]) : - lines[i] = "<hr />" - return lines - - def _isLine(self, block) : - """Determines if a block should be replaced with an <HR>""" - if block.startswith(" ") : return 0 # a code block - text = "".join([x for x in block if not x.isspace()]) - if len(text) <= 2 : - return 0 - for pattern in ['isline1', 'isline2', 'isline3'] : - m = RE.regExp[pattern].match(text) - if (m and m.group(1)) : - return 1 - else: - return 0 - -LINE_PREPROCESSOR = LinePreprocessor() - - -class LineBreaksPreprocessor : - """Replaces double spaces at the end of the lines with <br/ >.""" - - def run (self, lines) : - for i in range(len(lines)) : - if (lines[i].endswith(" ") - and not RE.regExp['tabbed'].match(lines[i]) ): - lines[i] += "<br />" - return lines - -LINE_BREAKS_PREPROCESSOR = LineBreaksPreprocessor() - - -class HtmlBlockPreprocessor : - """Removes html blocks from self.lines""" - - def run (self, lines) : - new_blocks = [] - text = "\n".join(lines) - for block in text.split("\n\n") : - if block.startswith("\n") : - block = block[1:] - if ( (block.startswith("<") and block.rstrip().endswith(">")) - and (block[1] in ["!", "?", "@", "%"] - or is_block_level( block[1:].replace(">", " ") - .split()[0].lower()))) : - new_blocks.append( - self.stash.store(block.strip())) - else : - new_blocks.append(block) - return "\n\n".join(new_blocks).split("\n") - -HTML_BLOCK_PREPROCESSOR = HtmlBlockPreprocessor() - - -class ReferencePreprocessor : - - def run (self, lines) : - new_text = []; - for line in lines: - m = RE.regExp['reference-def'].match(line) - if m: - id = m.group(2).strip().lower() - title = dequote(m.group(4).strip()) #.replace('"', """) - self.references[id] = (m.group(3), title) - else: - new_text.append(line) - return new_text #+ "\n" - -REFERENCE_PREPROCESSOR = ReferencePreprocessor() - -""" -====================================================================== -========================== INLINE PATTERNS =========================== -====================================================================== - -Inline patterns such as *emphasis* are handled by means of auxiliary -objects, one per pattern. Each pattern object uses a single regular -expression and needs support the following methods: - - pattern.getCompiledRegExp() - returns a regular expression - - pattern.handleMatch(m, doc) - takes a match object and returns - a NanoDom node (as a part of the provided - doc) or None - -All of python markdown's built-in patterns subclass from BasePatter, -but you can add additional patterns that don't. - -Also note that all the regular expressions used by inline must -capture the whole block. For this reason, they all start with -'^(.*)' and end with '(.*)!'. In case with built-in expression -BasePattern takes care of adding the "^(.*)" and "(.*)!". - -Finally, the order in which regular expressions are applied is very -important - e.g. if we first replace http://.../ links with <a> tags -and _then_ try to replace inline html, we would end up with a mess. -So, we apply the expressions in the following order: - - * escape and backticks have to go before everything else, so - that we can preempt any markdown patterns by escaping them. - - * then we handle auto-links (must be done before inline html) - - * then we handle inline HTML. At this point we will simply - replace all inline HTML strings with a placeholder and add - the actual HTML to a hash. - - * then inline images (must be done before links) - - * then bracketed links, first regular then reference-style - - * finally we apply strong and emphasis -""" - -NOBRACKET = r'[^\]\[]*' -BRK = ( r'\[(' - + (NOBRACKET + r'(\['+NOBRACKET)*6 - + (NOBRACKET+ r'\])*'+NOBRACKET)*6 - + NOBRACKET + r')\]' ) - -BACKTICK_RE = r'\`([^\`]*)\`' # `e= m*c^2` -DOUBLE_BACKTICK_RE = r'\`\`(.*)\`\`' # ``e=f("`")`` -ESCAPE_RE = r'\\(.)' # \< -EMPHASIS_RE = r'\*([^\*]*)\*' # *emphasis* -STRONG_RE = r'\*\*(.*)\*\*' # **strong** -STRONG_EM_RE = r'\*\*\*([^_]*)\*\*\*' # ***strong*** - -if SMART_EMPHASIS: - EMPHASIS_2_RE = r'(?<!\S)_(\S[^_]*)_' # _emphasis_ -else : - EMPHASIS_2_RE = r'_([^_]*)_' # _emphasis_ - -STRONG_2_RE = r'__([^_]*)__' # __strong__ -STRONG_EM_2_RE = r'___([^_]*)___' # ___strong___ - -LINK_RE = BRK + r'\s*\(([^\)]*)\)' # [text](url) -LINK_ANGLED_RE = BRK + r'\s*\(<([^\)]*)>\)' # [text](<url>) -IMAGE_LINK_RE = r'\!' + BRK + r'\s*\(([^\)]*)\)' #  -REFERENCE_RE = BRK+ r'\s*\[([^\]]*)\]' # [Google][3] -IMAGE_REFERENCE_RE = r'\!' + BRK + '\s*\[([^\]]*)\]' # ![alt text][2] -NOT_STRONG_RE = r'( \* )' # stand-alone * or _ -AUTOLINK_RE = r'<(http://[^>]*)>' # <http://www.123.com> -AUTOMAIL_RE = r'<([^> ]*@[^> ]*)>' # <me@example.com> -HTML_RE = r'(\<[^\>]*\>)' # <...> -ENTITY_RE = r'(&[\#a-zA-Z0-9]*;)' # & - -class BasePattern: - - def __init__ (self, pattern) : - self.pattern = pattern - self.compiled_re = re.compile("^(.*)%s(.*)$" % pattern, re.DOTALL) - - def getCompiledRegExp (self) : - return self.compiled_re - -class SimpleTextPattern (BasePattern) : - - def handleMatch(self, m, doc) : - return doc.createTextNode(m.group(2)) - -class SimpleTagPattern (BasePattern): - - def __init__ (self, pattern, tag) : - BasePattern.__init__(self, pattern) - self.tag = tag - - def handleMatch(self, m, doc) : - el = doc.createElement(self.tag) - el.appendChild(doc.createTextNode(m.group(2))) - return el - -class BacktickPattern (BasePattern): - - def __init__ (self, pattern): - BasePattern.__init__(self, pattern) - self.tag = "code" - - def handleMatch(self, m, doc) : - el = doc.createElement(self.tag) - text = m.group(2).strip() - text = text.replace("&", "&") - el.appendChild(doc.createTextNode(text)) - return el - - -class DoubleTagPattern (SimpleTagPattern) : - - def handleMatch(self, m, doc) : - tag1, tag2 = self.tag.split(",") - el1 = doc.createElement(tag1) - el2 = doc.createElement(tag2) - el1.appendChild(el2) - el2.appendChild(doc.createTextNode(m.group(2))) - return el1 - - -class HtmlPattern (BasePattern): - - def handleMatch (self, m, doc) : - place_holder = self.stash.store(m.group(2)) - return doc.createTextNode(place_holder) - - -class LinkPattern (BasePattern): - - def handleMatch(self, m, doc) : - el = doc.createElement('a') - el.appendChild(doc.createTextNode(m.group(2))) - parts = m.group(9).split() - # We should now have [], [href], or [href, title] - if parts : - el.setAttribute('href', parts[0]) - else : - el.setAttribute('href', "") - if len(parts) > 1 : - # we also got a title - title = " ".join(parts[1:]).strip() - title = dequote(title) #.replace('"', """) - el.setAttribute('title', title) - return el - - -class ImagePattern (BasePattern): - - def handleMatch(self, m, doc): - el = doc.createElement('img') - src_parts = m.group(9).split() - el.setAttribute('src', src_parts[0]) - if len(src_parts) > 1 : - el.setAttribute('title', dequote(" ".join(src_parts[1:]))) - if ENABLE_ATTRIBUTES : - text = doc.createTextNode(m.group(2)) - el.appendChild(text) - text.handleAttributes() - truealt = text.value - el.childNodes.remove(text) - else: - truealt = m.group(2) - el.setAttribute('alt', truealt) - return el - -class ReferencePattern (BasePattern): - - def handleMatch(self, m, doc): - if m.group(9) : - id = m.group(9).lower() - else : - # if we got something like "[Google][]" - # we'll use "google" as the id - id = m.group(2).lower() - if not self.references.has_key(id) : # ignore undefined refs - return None - href, title = self.references[id] - text = m.group(2) - return self.makeTag(href, title, text, doc) - - def makeTag(self, href, title, text, doc): - el = doc.createElement('a') - el.setAttribute('href', href) - if title : - el.setAttribute('title', title) - el.appendChild(doc.createTextNode(text)) - return el - - -class ImageReferencePattern (ReferencePattern): - - def makeTag(self, href, title, text, doc): - el = doc.createElement('img') - el.setAttribute('src', href) - if title : - el.setAttribute('title', title) - el.setAttribute('alt', text) - return el - - -class AutolinkPattern (BasePattern): - - def handleMatch(self, m, doc): - el = doc.createElement('a') - el.setAttribute('href', m.group(2)) - el.appendChild(doc.createTextNode(m.group(2))) - return el - -class AutomailPattern (BasePattern): - - def handleMatch(self, m, doc) : - el = doc.createElement('a') - email = m.group(2) - if email.startswith("mailto:"): - email = email[len("mailto:"):] - for letter in email: - entity = doc.createEntityReference("#%d" % ord(letter)) - el.appendChild(entity) - mailto = "mailto:" + email - mailto = "".join(['&#%d;' % ord(letter) for letter in mailto]) - el.setAttribute('href', mailto) - return el - -ESCAPE_PATTERN = SimpleTextPattern(ESCAPE_RE) -NOT_STRONG_PATTERN = SimpleTextPattern(NOT_STRONG_RE) - -BACKTICK_PATTERN = BacktickPattern(BACKTICK_RE) -DOUBLE_BACKTICK_PATTERN = BacktickPattern(DOUBLE_BACKTICK_RE) -STRONG_PATTERN = SimpleTagPattern(STRONG_RE, 'strong') -STRONG_PATTERN_2 = SimpleTagPattern(STRONG_2_RE, 'strong') -EMPHASIS_PATTERN = SimpleTagPattern(EMPHASIS_RE, 'em') -EMPHASIS_PATTERN_2 = SimpleTagPattern(EMPHASIS_2_RE, 'em') - -STRONG_EM_PATTERN = DoubleTagPattern(STRONG_EM_RE, 'strong,em') -STRONG_EM_PATTERN_2 = DoubleTagPattern(STRONG_EM_2_RE, 'strong,em') - -LINK_PATTERN = LinkPattern(LINK_RE) -LINK_ANGLED_PATTERN = LinkPattern(LINK_ANGLED_RE) -IMAGE_LINK_PATTERN = ImagePattern(IMAGE_LINK_RE) -IMAGE_REFERENCE_PATTERN = ImageReferencePattern(IMAGE_REFERENCE_RE) -REFERENCE_PATTERN = ReferencePattern(REFERENCE_RE) - -HTML_PATTERN = HtmlPattern(HTML_RE) -ENTITY_PATTERN = HtmlPattern(ENTITY_RE) - -AUTOLINK_PATTERN = AutolinkPattern(AUTOLINK_RE) -AUTOMAIL_PATTERN = AutomailPattern(AUTOMAIL_RE) - - -""" -====================================================================== -========================== POST-PROCESSORS =========================== -====================================================================== - -Markdown also allows post-processors, which are similar to -preprocessors in that they need to implement a "run" method. Unlike -pre-processors, they take a NanoDom document as a parameter and work -with that. -# -There are currently no standard post-processors, but the footnote -extension below uses one. -""" -""" -====================================================================== -========================== MISC AUXILIARY CLASSES ==================== -====================================================================== -""" - -class HtmlStash : - """This class is used for stashing HTML objects that we extract - in the beginning and replace with place-holders.""" - - def __init__ (self) : - self.html_counter = 0 # for counting inline html segments - self.rawHtmlBlocks=[] - - def store(self, html) : - """Saves an HTML segment for later reinsertion. Returns a - placeholder string that needs to be inserted into the - document. - - @param html: an html segment - @returns : a placeholder string """ - self.rawHtmlBlocks.append(html) - placeholder = HTML_PLACEHOLDER % self.html_counter - self.html_counter += 1 - return placeholder - - -class BlockGuru : - - def _findHead(self, lines, fn, allowBlank=0) : - - """Functional magic to help determine boundaries of indented - blocks. - - @param lines: an array of strings - @param fn: a function that returns a substring of a string - if the string matches the necessary criteria - @param allowBlank: specifies whether it's ok to have blank - lines between matching functions - @returns: a list of post processes items and the unused - remainder of the original list""" - - items = [] - item = -1 - - i = 0 # to keep track of where we are - - for line in lines : - - if not line.strip() and not allowBlank: - return items, lines[i:] - - if not line.strip() and allowBlank: - # If we see a blank line, this _might_ be the end - i += 1 - - # Find the next non-blank line - for j in range(i, len(lines)) : - if lines[j].strip() : - next = lines[j] - break - else : - # There is no more text => this is the end - break - - # Check if the next non-blank line is still a part of the list - - part = fn(next) - - if part : - items.append("") - continue - else : - break # found end of the list - - part = fn(line) - - if part : - items.append(part) - i += 1 - continue - else : - return items, lines[i:] - else : - i += 1 - - return items, lines[i:] - - - def detabbed_fn(self, line) : - """ An auxiliary method to be passed to _findHead """ - m = RE.regExp['tabbed'].match(line) - if m: - return m.group(4) - else : - return None - - - def detectTabbed(self, lines) : - - return self._findHead(lines, self.detabbed_fn, - allowBlank = 1) - - -def print_error(string): - """Print an error string to stderr""" - sys.stderr.write(string +'\n') - - -def dequote(string) : - """ Removes quotes from around a string """ - if ( ( string.startswith('"') and string.endswith('"')) - or (string.startswith("'") and string.endswith("'")) ) : - return string[1:-1] - else : - return string - -""" -====================================================================== -========================== CORE MARKDOWN ============================= -====================================================================== - -This stuff is ugly, so if you are thinking of extending the syntax, -see first if you can do it via pre-processors, post-processors, -inline patterns or a combination of the three. -""" - -class CorePatterns : - """This class is scheduled for removal as part of a refactoring - effort.""" - - patterns = { - 'header': r'(#*)([^#]*)(#*)', # # A title - 'reference-def' : r'(\ ?\ ?\ ?)\[([^\]]*)\]:\s*([^ ]*)(.*)', - # [Google]: http://www.google.com/ - 'containsline': r'([-]*)$|^([=]*)', # -----, =====, etc. - 'ol': r'[ ]{0,3}[\d]*\.\s+(.*)', # 1. text - 'ul': r'[ ]{0,3}[*+-]\s+(.*)', # "* text" - 'isline1': r'(\**)', # *** - 'isline2': r'(\-*)', # --- - 'isline3': r'(\_*)', # ___ - 'tabbed': r'((\t)|( ))(.*)', # an indented line - 'quoted' : r'> ?(.*)', # a quoted block ("> ...") - } - - def __init__ (self) : - - self.regExp = {} - for key in self.patterns.keys() : - self.regExp[key] = re.compile("^%s$" % self.patterns[key], - re.DOTALL) - - self.regExp['containsline'] = re.compile(r'^([-]*)$|^([=]*)$', re.M) - -RE = CorePatterns() - - -class Markdown: - """ Markdown formatter class for creating an html document from - Markdown text """ - - - def __init__(self, source=None): - """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 = [] - self.stripTopLevelTags = 1 - - self.preprocessors = [ HEADER_PREPROCESSOR, - LINE_PREPROCESSOR, - HTML_BLOCK_PREPROCESSOR, - LINE_BREAKS_PREPROCESSOR, - # A footnote preprocessor will - # get inserted here - REFERENCE_PREPROCESSOR ] - - - self.postprocessors = [] # a footnote postprocessor will get - # inserted later - - self.prePatterns = [] - - - self.inlinePatterns = [ DOUBLE_BACKTICK_PATTERN, - BACKTICK_PATTERN, - ESCAPE_PATTERN, - IMAGE_LINK_PATTERN, - IMAGE_REFERENCE_PATTERN, - REFERENCE_PATTERN, - LINK_ANGLED_PATTERN, - LINK_PATTERN, - AUTOLINK_PATTERN, - AUTOMAIL_PATTERN, - HTML_PATTERN, - ENTITY_PATTERN, - NOT_STRONG_PATTERN, - STRONG_EM_PATTERN, - STRONG_EM_PATTERN_2, - STRONG_PATTERN, - STRONG_PATTERN_2, - EMPHASIS_PATTERN, - EMPHASIS_PATTERN_2 - # The order of the handlers matters!!! - ] - - self.reset() - - def registerExtension(self, extension) : - self.registeredExtensions.append(extension) - - def reset(self) : - """Resets all state variables so that we can start - with a new text.""" - self.references={} - self.htmlStash = HtmlStash() - - HTML_BLOCK_PREPROCESSOR.stash = self.htmlStash - REFERENCE_PREPROCESSOR.references = self.references - HTML_PATTERN.stash = self.htmlStash - ENTITY_PATTERN.stash = self.htmlStash - REFERENCE_PATTERN.references = self.references - IMAGE_REFERENCE_PATTERN.references = self.references - - for extension in self.registeredExtensions : - extension.reset() - - - def _transform(self): - """Transforms the Markdown text into a XHTML body document - - @returns: A NanoDom Document """ - - # Setup the document - - self.doc = Document() - self.top_element = self.doc.createElement("span") - self.top_element.appendChild(self.doc.createTextNode('\n')) - self.top_element.setAttribute('class', 'markdown') - self.doc.appendChild(self.top_element) - - # Fixup the source text - text = self.source.strip() - text = text.replace("\r\n", "\n").replace("\r", "\n") - text += "\n\n" - text = text.expandtabs(TAB_LENGTH) - - # Split into lines and run the preprocessors that will work with - # self.lines - - self.lines = text.split("\n") - - # Run the pre-processors on the lines - for prep in self.preprocessors : - self.lines = prep.run(self.lines) - - # Create a NanoDom tree from the lines and attach it to Document - - - 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')) - - # Run the post-processors - for postprocessor in self.postprocessors : - postprocessor.run(self.doc) - - return self.doc - - - def _processSection(self, parent_elem, lines, - inList = 0, looseList = 0) : - - """Process a section of a source document, looking for high - level structural elements like lists, block quotes, code - segments, html blocks, etc. Some those then get stripped - of their high level markup (e.g. get unindented) and the - lower-level markup is processed recursively. - - @param parent_elem: A NanoDom element to which the content - will be added - @param lines: a list of lines - @param inList: a level - @returns: None""" - - if not lines : - return - - # Check if this section starts with a list, a blockquote or - # a code block - - processFn = { 'ul' : self._processUList, - 'ol' : self._processOList, - 'quoted' : self._processQuote, - 'tabbed' : self._processCodeBlock } - - for regexp in ['ul', 'ol', 'quoted', 'tabbed'] : - m = RE.regExp[regexp].match(lines[0]) - if m : - processFn[regexp](parent_elem, lines, inList) - return - - # We are NOT looking at one of the high-level structures like - # lists or blockquotes. So, it's just a regular paragraph - # (though perhaps nested inside a list or something else). If - # we are NOT inside a list, we just need to look for a blank - # line to find the end of the block. If we ARE inside a - # list, however, we need to consider that a sublist does not - # need to be separated by a blank line. Rather, the following - # markup is legal: - # - # * The top level list item - # - # Another paragraph of the list. This is where we are now. - # * Underneath we might have a sublist. - # - - if inList : - - start, theRest = self._linesUntil(lines, (lambda line: - RE.regExp['ul'].match(line) - or RE.regExp['ol'].match(line) - or not line.strip())) - - self._processSection(parent_elem, start, - inList - 1, looseList = looseList) - self._processSection(parent_elem, theRest, - inList - 1, looseList = looseList) - - - else : # Ok, so it's just a simple block - - paragraph, theRest = self._linesUntil(lines, lambda line: - not line.strip()) - - if len(paragraph) and paragraph[0].startswith('#') : - m = RE.regExp['header'].match(paragraph[0]) - if m : - level = len(m.group(1)) - h = self.doc.createElement("h%d" % level) - parent_elem.appendChild(h) - 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._handleInlineWrapper2("\n".join(paragraph)) - - if ( parent_elem.nodeName == 'li' - and not (looseList or parent_elem.childNodes)): - - #and not parent_elem.childNodes) : - # If this is the first paragraph inside "li", don't - # put <p> around it - append the paragraph bits directly - # onto parent_elem - el = parent_elem - else : - # Otherwise make a "p" element - el = self.doc.createElement("p") - parent_elem.appendChild(el) - - for item in list : - el.appendChild(item) - - if theRest : - theRest = theRest[1:] # skip the first (blank) line - - self._processSection(parent_elem, theRest, inList) - - - - def _processUList(self, parent_elem, lines, inList) : - self._processList(parent_elem, lines, inList, - listexpr='ul', tag = 'ul') - - def _processOList(self, parent_elem, lines, inList) : - self._processList(parent_elem, lines, inList, - listexpr='ol', tag = 'ol') - - - def _processList(self, parent_elem, lines, inList, listexpr, tag) : - """Given a list of document lines starting with a list item, - finds the end of the list, breaks it up, and recursively - processes each list item and the remainder of the text file. - - @param parent_elem: A dom element to which the content will be added - @param lines: a list of lines - @param inList: a level - @returns: None""" - - ul = self.doc.createElement(tag) # ul might actually be '<ol>' - parent_elem.appendChild(ul) - - looseList = 0 - - # Make a list of list items - items = [] - item = -1 - - i = 0 # a counter to keep track of where we are - - for line in lines : - - loose = 0 - if not line.strip() : - # If we see a blank line, this _might_ be the end of the list - i += 1 - loose = 1 - - # Find the next non-blank line - for j in range(i, len(lines)) : - if lines[j].strip() : - next = lines[j] - break - else : - # There is no more text => end of the list - break - - # Check if the next non-blank line is still a part of the list - 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()) - looseList = loose or looseList - continue - else : - break # found end of the list - - # Now we need to detect list items (at the current level) - # while also detabing child elements if necessary - - for expr in ['ul', 'ol', 'tabbed']: - - m = RE.regExp[expr].match(line) - if m : - if expr in ['ul', 'ol'] : # We are looking at a new item - if m.group(1) : - items.append([m.group(1)]) - item += 1 - elif expr == 'tabbed' : # This line needs to be detabbed - items[item].append(m.group(4)) #after the 'tab' - - i += 1 - break - else : - items[item].append(line) # Just regular continuation - i += 1 # added on 2006.02.25 - else : - i += 1 - - # Add the dom elements - for item in items : - li = self.doc.createElement("li") - ul.appendChild(li) - - self._processSection(li, item, inList + 1, looseList = looseList) - - # Process the remaining part of the section - - self._processSection(parent_elem, lines[i:], inList) - - - def _linesUntil(self, lines, condition) : - """ A utility function to break a list of lines upon the - first line that satisfied a condition. The condition - argument should be a predicate function. - """ - - i = -1 - for line in lines : - i += 1 - if condition(line) : break - else : - i += 1 - return lines[:i], lines[i:] - - def _processQuote(self, parent_elem, lines, inList) : - """Given a list of document lines starting with a quote finds - the end of the quote, unindents it and recursively - processes the body of the quote and the remainder of the - text file. - - @param parent_elem: DOM element to which the content will be added - @param lines: a list of lines - @param inList: a level - @returns: None """ - - dequoted = [] - i = 0 - for line in lines : - m = RE.regExp['quoted'].match(line) - if m : - dequoted.append(m.group(1)) - i += 1 - else : - break - else : - i += 1 - - blockquote = self.doc.createElement('blockquote') - parent_elem.appendChild(blockquote) - - self._processSection(blockquote, dequoted, inList) - self._processSection(parent_elem, lines[i:], inList) - - - - - def _processCodeBlock(self, parent_elem, lines, inList) : - """Given a list of document lines starting with a code block - finds the end of the block, puts it into the dom verbatim - wrapped in ("<pre><code>") and recursively processes the - the remainder of the text file. - - @param parent_elem: DOM element to which the content will be added - @param lines: a list of lines - @param inList: a level - @returns: None""" - - detabbed, theRest = self.blockGuru.detectTabbed(lines) - - pre = self.doc.createElement('pre') - code = self.doc.createElement('code') - parent_elem.appendChild(pre) - pre.appendChild(code) - text = "\n".join(detabbed).rstrip()+"\n" - text = text.replace("&", "&") - code.appendChild(self.doc.createTextNode(text)) - 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 - - parts = [line] - - 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 - - def _handleInline(self, line): - """Transform a Markdown line with inline elements to an XHTML - fragment. - - This function uses auxiliary objects called inline patterns. - See notes on inline patterns above. - - @param item: A block of Markdown text - @return: A list of NanoDom nodes """ - - if not(line): - return [self.doc.createTextNode(' ')] - - for pattern in self.inlinePatterns : - list = self._applyPattern( line, pattern) - if list: return list - - return [self.doc.createTextNode(line)] - - def _applyPattern(self, line, pattern) : - """ Given a pattern name, this function checks if the line - fits the pattern, creates the necessary elements, and returns - back a list consisting of NanoDom elements and/or strings. - - @param line: the text to be processed - @param pattern: the pattern to be checked - - @returns: the appropriate newly created NanoDom element if the - pattern matches, None otherwise. - """ - - # match the line to pattern's pre-compiled reg exp. - # if no match, move on. - - m = pattern.getCompiledRegExp().match(line) - if not m : - return None - - # if we got a match let the pattern make us a NanoDom node - # if it doesn't, move on - node = pattern.handleMatch(m, self.doc) - - if node : - # 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 - - def __str__(self): - """Return the document in XHTML format. - - @returns: A serialized XHTML body.""" - #try : - doc = self._transform() - xml = doc.toxml() - #finally: - # doc.unlink() - - # Let's stick in all the raw html pieces - - for i in range(self.htmlStash.html_counter) : - xml = xml.replace("<p>%s\n</p>" % (HTML_PLACEHOLDER % i), - self.htmlStash.rawHtmlBlocks[i] + "\n") - xml = xml.replace(HTML_PLACEHOLDER % i, - self.htmlStash.rawHtmlBlocks[i]) - - xml = xml.replace(FN_BACKLINK_TEXT, "↩") - - # And return everything but the top level tag - - if self.stripTopLevelTags : - xml = xml.strip()[23:-7] - - if isinstance(xml, unicode) : - xml = xml.encode("utf8") - - return xml - - - toString = __str__ - - -""" -========================= FOOTNOTES ================================= - -This section adds footnote handling to markdown. It can be used as -an example for extending python-markdown with relatively complex -functionality. While in this case the extension is included inside -the module itself, it could just as easily be added from outside the -module. Not that all markdown classes above are ignorant about -footnotes. All footnote functionality is provided separately and -then added to the markdown instance at the run time. - -Footnote functionality is attached by calling extendMarkdown() -method of FootnoteExtension. The method also registers the -extension to allow it's state to be reset by a call to reset() -method. -""" - -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() - - def extendMarkdown(self, md) : - - self.md = md - - # Stateless extensions do not need to be registered - md.registerExtension(self) - - # Insert a preprocessor before ReferencePreprocessor - index = md.preprocessors.index(REFERENCE_PREPROCESSOR) - preprocessor = FootnotePreprocessor(self) - preprocessor.md = md - md.preprocessors.insert(index, preprocessor) - - # Insert an inline pattern before ImageReferencePattern - FOOTNOTE_RE = r'\[\^([^\]]*)\]' # blah blah [^1] blah - index = md.inlinePatterns.index(IMAGE_REFERENCE_PATTERN) - md.inlinePatterns.insert(index, FootnotePattern(FOOTNOTE_RE, self)) - - # Insert a post-processor that would actually add the footnote div - postprocessor = FootnotePostprocessor(self) - postprocessor.extension = self - - md.postprocessors.append(postprocessor) - - - def reset(self) : - # May be called by Markdown is state reset is desired - - self.footnote_suffix = "-" + str(int(random.random()*1000000000)) - 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 - - def makeFootnoteId(self, num) : - return 'fn%d%s' % (num, self.footnote_suffix) - - def makeFootnoteRefId(self, num) : - return 'fnr%d%s' % (num, self.footnote_suffix) - - def makeFootnotesDiv (self, doc) : - """Creates the div with class='footnote' and populates it with - the text of the footnotes. - - @returns: the footnote div as a dom element """ - - if not self.footnotes.keys() : - return None - - div = doc.createElement("div") - div.setAttribute('class', 'footnote') - hr = doc.createElement("hr") - div.appendChild(hr) - ol = doc.createElement("ol") - div.appendChild(ol) - - footnotes = [(self.used_footnotes[id], id) - for id in self.footnotes.keys()] - footnotes.sort() - - for i, id in footnotes : - li = doc.createElement('li') - li.setAttribute('id', self.makeFootnoteId(i)) - - self.md._processSection(li, self.footnotes[id].split("\n")) - - #li.appendChild(doc.createTextNode(self.footnotes[id])) - - backlink = doc.createElement('a') - backlink.setAttribute('href', '#' + self.makeFootnoteRefId(i)) - backlink.setAttribute('class', 'footnoteBackLink') - backlink.setAttribute('title', - 'Jump back to footnote %d in the text' % 1) - backlink.appendChild(doc.createTextNode(FN_BACKLINK_TEXT)) - - if li.childNodes : - node = li.childNodes[-1] - if node.type == "text" : - node = li - node.appendChild(backlink) - - ol.appendChild(li) - - return div - - -class FootnotePreprocessor : - - def __init__ (self, footnotes) : - self.footnotes = footnotes - - def run(self, lines) : - - self.blockGuru = 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) - - return text.split("\n") - - - def recordFootnoteUse(self, match) : - - id = match.group(1) - id = id.strip() - nextNum = len(self.footnotes.used_footnotes.keys()) + 1 - self.footnotes.used_footnotes[id] = nextNum - - - def _handleFootnoteDefinitions(self, lines) : - """Recursively finds all footnote definitions in the lines. - - @param lines: a list of lines of text - @returns: a string representing the text with footnote - definitions removed """ - - i, id, footnote = self._findFootnoteDefinition(lines) - - if id : - - plain = lines[:i] - - detabbed, theRest = self.blockGuru.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 - - def _findFootnoteDefinition(self, lines) : - """Finds the first line of a footnote definition. - - @param lines: a list of lines of text - @returns: the index of the line containing a footnote definition """ - - counter = 0 - for line in lines : - m = self.footnotes.DEF_RE.match(line) - if m : - return counter, m.group(2), m.group(3) - counter += 1 - return counter, None, None - - -class FootnotePattern (BasePattern) : - - def __init__ (self, pattern, footnotes) : - - BasePattern.__init__(self, pattern) - self.footnotes = footnotes - - def handleMatch(self, m, doc) : - sup = doc.createElement('sup') - a = doc.createElement('a') - sup.appendChild(a) - id = m.group(2) - num = self.footnotes.used_footnotes[id] - sup.setAttribute('id', self.footnotes.makeFootnoteRefId(num)) - a.setAttribute('href', '#' + self.footnotes.makeFootnoteId(num)) - a.appendChild(doc.createTextNode(str(num))) - return sup - -class FootnotePostprocessor : - - def __init__ (self, footnotes) : - self.footnotes = footnotes - - def run(self, doc) : - footnotesDiv = self.footnotes.makeFootnotesDiv(doc) - if 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 Markdown(text).toString() - -def markdownWithFootnotes(text): - message(VERBOSE, "Running markdown with footnotes, " - + "received text:\n%s" % text) - md = Markdown() - footnoteExtension = FootnoteExtension() - footnoteExtension.extendMarkdown(md) - md.source = text - - return str(md) - -def test_markdown(args): - """test markdown at the command line. - in each test, arg 0 is the module name""" - print "\nTEST 1: no arguments on command line" - cmd_line(["markdown.py"]) - print "\nTEST 2a: 1 argument on command line: a good option" - cmd_line(["markdown.py","-footnotes"]) - print "\nTEST 2b: 1 argument on command line: a bad option" - cmd_line(["markdown.py","-foodnotes"]) - print "\nTEST 3: 1 argument on command line: non-existent input file" - cmd_line(["markdown.py","junk.txt"]) - print "\nTEST 4: 1 argument on command line: existing input file" - lines = """ -Markdown text with[^1]: - -2. **bold text**, -3. *italic text*. - -Then more: - - beginning of code block; - another line of code block. - - a second paragraph of code block. - -more text to end our file. - -[^1]: "italic" means emphasis. -""" - fid = "markdown-test.txt" - f1 = open(fid, 'w+') - f1.write(lines) - f1.close() - cmd_line(["markdown.py",fid]) - print "\nTEST 5: 2 arguments on command line: nofootnotes and input file" - cmd_line(["markdown.py","-nofootnotes", fid]) - print "\nTEST 6: 2 arguments on command line: footnotes and input file" - cmd_line(["markdown.py","-footnotes", fid]) - print "\nTEST 7: 3 arguments on command line: nofootnotes,inputfile, outputfile" - fidout = "markdown-test.html" - cmd_line(["markdown.py","-nofootnotes", fid, fidout]) - - -def get_vars(args): - """process the command-line args received; return usable variables""" - #firstly get the variables - - message(VERBOSE, "in get_vars(), args: %s" % args) - - if len(args) <= 1: - option, inFile, outFile = (None, None, None) - elif len(args) >= 4: - option, inFile, outFile = args[1:4] - elif len(args) == 3: - temp1, temp2 = args[1:3] - if temp1[0] == '-': - #then we have an option and inFile - option, inFile, outFile = temp1, temp2, None - else: - #we have no option, so we must have inFile and outFile - option, inFile, outFile = None, temp1, temp2 - else: - #len(args) = 2 - #we have only one usable arg: might be an option or a file - temp1 = args[1] - - message(VERBOSE, "our single arg is: %s" % str(temp1)) - - if temp1[0] == '-': - #then we have an option - option, inFile, outFile = temp1, None, None - else: - #we have no option, so we must have inFile - option, inFile, outFile = None, temp1, None - - message(VERBOSE, - "prior to validation, option: %s, inFile: %s, outFile: %s" % - (str(option), str(inFile), str(outFile),)) - - return option, inFile, outFile - - -USAGE = """ -\nUsing markdown.py: - - python markdown.py [option] input_file_with_markdown.txt [output_file.html] - -Options: - - -footnotes or -fn : generate markdown with footnotes - -test or -t : run a self-test - -help or -h : print this message - -""" - -VALID_OPTIONS = ['footnotes','nofootnotes', 'fn', 'test', 't', 'f', - 'help', 'h'] - -EXPANDED_OPTIONS = { "fn" : "footnotes", - "t" : "test", - "h" : "help" } - - -def validate_option(option) : - - """ Check if the option makes sense and print an appropriate message - if it isn't. - - @return: valid option string or None - """ - - #now validate the variables - if (option is not None): - if (len(option) > 1 and option[1:] in VALID_OPTIONS) : - option = option[1:] - - if option in EXPANDED_OPTIONS.keys() : - option = EXPANDED_OPTIONS[option] - return option - else: - message(CRITICAL, - "\nSorry, I don't understand option %s" % option) - message(CRITICAL, USAGE) - return None - - -def validate_input_file(inFile) : - """ Check if the input file is specified and exists. - - @return: valid input file path or None - """ - - if not inFile : - message(CRITICAL, - "\nI need an input filename.\n") - message(CRITICAL, USAGE) - return None - - - if os.access(inFile, os.R_OK): - return inFile - else : - message(CRITICAL, "Sorry, I can't find input file %s" % str(inFile)) - return None - - - - -def cmd_line(args): - - message(VERBOSE, "in cmd_line with args: %s" % args) - - option, inFile, outFile = get_vars(args) - - if option : - option = validate_option(option) - if not option : return - - if option == "help" : - message(CRITICAL, USAGE) - return - elif option == "test" : - test_markdown(None) - return - - inFile = validate_input_file(inFile) - if not inFile : - return - else : - input = file(inFile).read() - - message(VERBOSE, "Validated command line parameters:" + - "\n\toption: %s, \n\tinFile: %s, \n\toutFile: %s" % ( - str(option), str(inFile), str(outFile),)) - - if option == "footnotes" : - md_function = markdownWithFootnotes - else : - md_function = markdown - - if outFile is None: - print md_function(input) - else: - output = md_function(input) - f1 = open(outFile, "w+") - f1.write(output) - f1.close() - - if os.access(outFile, os.F_OK): - message(INFO, "Successfully wrote %s" % outFile) - else: - message(INFO, "Failed to write %s" % outFile) - - -if __name__ == '__main__': - """ Run Markdown from the command line. - Set debug = 3 at top of file to get diagnostic output""" - args = sys.argv - - #set testing=1 to test the command-line response of markdown.py - testing = 0 - 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) - -Mar. 15, 2006: Replaced some instance variables with class variables -(a patch from Stelios Xanthakis). Chris Clark's new regexps that do -not trigger midword underlining. - -Feb. 28, 2006: Clean-up and command-line handling by Stewart -Midwinter. (Version 1.3) - -Feb. 24, 2006: Fixed a bug with the last line of the list appearing -again as a separate paragraph. Incorporated Chris Clark's "mailto" -patch. Added support for <br /> at the end of lines ending in two or -more spaces. Fixed a crashing bug when using ImageReferencePattern. -Added several utility methods to Nanodom. (Version 1.2) - -Jan. 31, 2006: Added "hr" and "hr/" to BLOCK_LEVEL_ELEMENTS and -changed <hr/> to <hr />. (Thanks to Sergej Chodarev.) - -Nov. 26, 2005: Fixed a bug with certain tabbed lines inside lists -getting wrapped in <pre><code>. (v. 1.1) - -Nov. 19, 2005: Made "<!...", "<?...", etc. behave like block-level -HTML tags. - -Nov. 14, 2005: Added entity code and email autolink fix by Tiago -Cogumbreiro. Fixed some small issues with backticks to get 100% -compliance with John's test suite. (v. 1.0) - -Nov. 7, 2005: Added an unlink method for documents to aid with memory -collection (per Doug Sauder's suggestion). - -Oct. 29, 2005: Restricted a set of html tags that get treated as -block-level elements. - -Sept. 18, 2005: Refactored the whole script to make it easier to -customize it and made footnote functionality into an extension. -(v. 0.9) - -Sept. 5, 2005: Fixed a bug with multi-paragraph footnotes. Added -attribute support. - -Sept. 1, 2005: Changed the way headers are handled to allow inline -syntax in headers (e.g. links) and got the lists to use p-tags -correctly (v. 0.8) - -Aug. 29, 2005: Added flexible tabs, fixed a few small issues, added -basic support for footnotes. Got rid of xml.dom.minidom and added -pretty-printing. (v. 0.7) - -Aug. 13, 2005: Fixed a number of small bugs in order to conform to the -test suite. (v. 0.6) - -Aug. 11, 2005: Added support for inline html and entities, inline -images, autolinks, underscore emphasis. Cleaned up and refactored the -code, added some more comments. - -Feb. 19, 2005: Rewrote the handling of high-level elements to allow -multi-line list items and all sorts of nesting. - -Feb. 3, 2005: Reference-style links, single-line lists, backticks, -escape, emphasis in the beginning of the paragraph. - -Nov. 2004: Added links, blockquotes, html blocks to Manfred -Stienstra's code - -Apr. 2004: Manfred's version at http://www.dwerg.net/projects/markdown/ - -""" - - -# vim: set ts=4 sw=4 et: - - - - |