PHP Markdown 1.0.1d
This commit is contained in:
Michel Fortin
parent
60be7c207e
commit
8699f81114
2 changed files with 202 additions and 216 deletions
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@ -1,7 +1,7 @@
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PHP Markdown
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============
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Version 1.0.2b7 - Sat 16 Sep 2006
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Version 1.0.1d - Fri 1 Dec 2006
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by Michel Fortin
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<http://www.michelf.com/>
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@ -57,54 +57,53 @@ version.
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same line than Markdown. Your entries will now be formatted by
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PHP Markdown.
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3. To post Markdown content, you'll first have to disable the
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"visual" editor in the User section of WordPress.
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You can configure PHP Markdown to not apply to the comments on your
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WordPress weblog. See the "Configuration" section below.
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Note: It is not possible at this time to apply a different set of
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It is not possible at this time to apply a different set of
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filters to different entries. All your entries will be formated by
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PHP Markdown. This is currently a limitation of WordPress. If your old
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entries are written in HTML (as opposed to another formatting syntax),
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your site should not suffer much from installing PHP Markdown.
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PHP Markdown. This is a limitation of WordPress. If your old entries
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are written in HTML (as opposed to another formatting syntax, like
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Textile), they'll probably stay fine after installing Markdown.
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### bBlog ###
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PHP Markdown also works with the latest version of [bBlog][bb].
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PHP Markdown also works with [bBlog][bb].
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[bb]: http://www.bblog.com/
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1. To use PHP Markdown with bBlog, rename "markdown.php" to
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"modifier.markdown.php" and place the file in the "bBlog_plugins"
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folder. This folder is located inside the "bblog" directory of
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your site, like this:
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To use PHP Markdown with bBlog, rename "markdown.php" to
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"modifier.markdown.php" and place the file in the "bBlog_plugins"
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folder. This folder is located inside the "bblog" directory of
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your site, like this:
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(site home)/bblog/bBlog_plugins/modifier.markdown.php
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2. Select "Markdown" as the "Entry Modifier" when you post a new
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entry. This setting will only apply to the entry you are editing.
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Select "Markdown" as the "Entry Modifier" when you post a new
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entry. This setting will only apply to the entry you are editing.
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### Replacing Textile ###
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### Replacing Textile in TextPattern ###
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Many web programs written in PHP use [Textile][tx] to format your text.
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To use PHP Markdown with these programs without having to change the
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code, you can use PHP Markdown in "Textile Compatibility Mode."
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[TextPattern][tp] use [Textile][tx] to format your text. You can
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replace Textile by Markdown in TextPattern without having to change
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any code by using the *Texitle Compatibility Mode*. This may work
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with other software that expect Textile too.
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[tx]: http://www.textism.com/tools/textile/
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[tp]: http://www.textpattern.com/
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1. Rename the "markdown.php" file to "classTextile.php".
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1. Rename the "markdown.php" file to "classTextile.php". This will
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make PHP Markdown behave as if it was the actual Textile parser.
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2. Locate the "classTextile.php" file hidden somewhere inside the
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installation of your program (see table below). Replace it with
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the PHP Markdown file you just renamed.
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2. Replace the "classTextile.php" file TextPattern installed in your
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web directory. It can be found in the "lib" directory:
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As an helper, here you can learn where is the "classTextile.php" file
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in some web programs:
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Program Location
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----------------------------------------------------------------
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TextPattern (site home)/textpattern/lib/classTextile.php
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Pivot (site home)/pivot/includes/textile/classtextile.php
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(site home)/textpattern/lib/
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Contrary to Textile, Markdown does not convert quotes to curly ones
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and does not convert multiple hyphens (`--` and `---`) into en- and
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@ -158,17 +157,17 @@ Markdown can be configured to produce HTML-style tags; e.g.:
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<br>
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To do this, you must edit the "$md_empty_element_suffix" variable
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below the "Global default settings" header at the start of the
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"markdown.php" file.
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To do this, you must edit the "MARKDOWN_EMPTY_ELEMENT_SUFFIX"
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definition below the "Global default settings" header at the start of
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the "markdown.php" file.
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### WordPress-Specific Settings ###
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By default, the Markdown plugin applies to both posts and comments on
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your WordPress weblog. To deactivate one or the other, edit the
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`$md_wp_posts` or `$md_wp_comments` variable under the "WordPress
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settings" header at the start of the "markdown.php" file.
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`MARKDOWN_WP_POSTS` or `MARKDOWN_WP_COMMENTS` definitions under the
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"WordPress settings" header at the start of the "markdown.php" file.
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Bugs
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@ -184,6 +183,99 @@ expected; (3) the output PHP Markdown actually produced.
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Version History
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---------------
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1.0.1d (1 Dec 2006)
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* Fixed a bug where inline images always had an empty title attribute. The
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title attribute is now present only when explicitly defined.
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* Link references definitions can now have an empty title, previously if the
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title was defined but left empty the link definition was ignored. This can
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be useful if you want an empty title attribute in images to hide the
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tooltip in Internet Explorer.
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* Made `detab` aware of UTF-8 characters. UTF-8 multi-byte sequences are now
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correctly mapped to one character instead of the number of bytes.
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* Fixed a small bug with WordPress where WordPress' default filter `wpautop`
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was not properly deactivated on comment text, resulting in hard line breaks
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where Markdown do not prescribes them.
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* Added a `TextileRestrited` method to the textile compatibility mode. There
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is no restriction however, as Markdown does not have a restricted mode at
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this point. This should make PHP Markdown work again in the latest
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versions of TextPattern.
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* Converted PHP Markdown to a object-oriented design.
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* Changed span and block gamut methods so that they loop over a
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customizable list of methods. This makes subclassing the parser a more
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interesting option for creating syntax extensions.
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* Also added a "document" gamut loop which can be used to hook document-level
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methods (like for striping link definitions).
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* Changed all methods which were inserting HTML code so that they now return
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a hashed representation of the code. New methods `hashSpan` and `hashBlock`
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are used to hash respectivly span- and block-level generated content. This
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has a couple of significant effects:
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1. It prevents invalid nesting of Markdown-generated elements which
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could occur occuring with constructs like `*something [link*][1]`.
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2. It prevents problems occuring with deeply nested lists on which
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paragraphs were ill-formed.
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3. It removes the need to call `hashHTMLBlocks` twice during the the
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block gamut.
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Hashes are turned back to HTML prior output.
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* Made the block-level HTML parser smarter using a specially-crafted regular
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expression capable of handling nested tags.
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* Solved backtick issues in tag attributes by rewriting the HTML tokenizer to
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be aware of code spans. All these lines should work correctly now:
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<span attr='`ticks`'>bar</span>
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<span attr='``double ticks``'>bar</span>
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`<test a="` content of attribute `">`
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* Changed the parsing of HTML comments to match simply from `<!--` to `-->`
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instead using of the more complicated SGML-style rule with paired `--`.
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This is how most browsers parse comments and how XML defines them too.
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* `<address>` has been added to the list of block-level elements and is now
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treated as an HTML block instead of being wrapped within paragraph tags.
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* Now only trim trailing newlines from code blocks, instead of trimming
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all trailing whitespace characters.
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* Fixed bug where this:
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[text](http://m.com "title" )
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wasn't working as expected, because the parser wasn't allowing for spaces
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before the closing paren.
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* Filthy hack to support markdown='1' in div tags.
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* _DoAutoLinks() now supports the 'dict://' URL scheme.
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* PHP- and ASP-style processor instructions are now protected as
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raw HTML blocks.
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<? ... ?>
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<% ... %>
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* Fix for escaped backticks still triggering code spans:
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There are two raw backticks here: \` and here: \`, not a code span
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1.0.1c (9 Dec 2005)
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* Fixed a problem occurring with PHP 5.1.1 due to a small
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change to strings variable replacement behaviour in
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this version.
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1.0.1b (6 Jun 2005)
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@ -248,46 +340,6 @@ Version History
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filter so that it runs after Markdown.
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1.0.2b1 - 5 Mar 2005
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* Fix for backticks within HTML tag:
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<span attr='`ticks`'>like this</span>
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* Fix for escaped backticks still triggering code spans:
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There are two raw backticks here: \` and here: \`, not a code span
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* Improved integration with WordPress. With WordPress 1.5, the
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balenceTags filter now runs after Markdown, so it won't
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interfere anymore. You can still disable balanceTags from the admin
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interface (in Options > Writing) if you want to.
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* PHP Markdown now correctly filter text for excerpts in WordPress.
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There is still one glitch: autolinks and tags in code samples are
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stripped by WordPress when trimming it. A fix for this is possible
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with WordPress 1.5, but would require duplicating WordPress entry
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trimming code within Markdown, which I can't do because of a license
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issue. (Nor do I think it is a good solution to fix this.)
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* Improved Textile compatibility mode. Markdown will now honor the
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no-image and the lite parameters. In lite mode, no header, blockquote,
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list, or code block will be made, and inline HTML is limited
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to the following tags:
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<a><i><b><em><strong><sup><sub><code><img><cite><ins><del>
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This is acheived by backslash-escaping block markers before sending
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text through the Markdown filter.
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The improved Textile comatibility means that the Markdown syntax will now
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be processed for comments in TextPattern (only for span elements due to
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TextPattern using the lite mode for comments). Sadly, due to TextPattern
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tag stripping, sample code in code span and auto-links will be stripped
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before the Markdown filter can see them. So I guess I should say it
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half-work for comments TextPattern.
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1.0.1 (16 Dec 2004):
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* Changed the syntax rules for code blocks and spans. Previously,
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222
markdown.php
222
markdown.php
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@ -7,12 +7,12 @@
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# <http://www.michelf.com/projects/php-markdown/>
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#
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# Original Markdown
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# Copyright (c) 2004-2005 John Gruber
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# Copyright (c) 2004-2006 John Gruber
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# <http://daringfireball.net/projects/markdown/>
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#
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define( 'MARKDOWN_VERSION', "1.0.2b7" ); # Sat 16 Sep 2006
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define( 'MARKDOWN_VERSION', "1.0.1d" ); # Fri 1 Dec 2006
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#
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@ -62,7 +62,7 @@ function Markdown($text) {
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Plugin Name: Markdown
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Plugin URI: http://www.michelf.com/projects/php-markdown/
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Description: <a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://www.michelf.com/projects/php-markdown/">More...</a>
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Version: 1.0.2b7
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Version: 1.0.1d
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Author: Michel Fortin
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Author URI: http://www.michelf.com/
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*/
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@ -96,7 +96,7 @@ if (isset($wp_version)) {
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# - Scramble important tags before passing them to the kses filter.
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# - Run Markdown on excerpt then remove paragraph tags.
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if (MARKDOWN_WP_COMMENTS) {
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remove_filter('comment_text', 'wpautop');
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remove_filter('comment_text', 'wpautop', 30);
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remove_filter('comment_text', 'make_clickable');
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add_filter('pre_comment_content', 'Markdown', 6);
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add_filter('pre_comment_content', 'mdwp_hide_tags', 8);
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@ -145,7 +145,7 @@ function identify_modifier_markdown() {
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'nicename' => 'Markdown',
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'description' => 'A text-to-HTML conversion tool for web writers',
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'authors' => 'Michel Fortin and John Gruber',
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'licence' => 'GPL',
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'licence' => 'BSD-like',
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'version' => MARKDOWN_VERSION,
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'help' => '<a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://www.michelf.com/projects/php-markdown/">More...</a>'
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);
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@ -173,6 +173,10 @@ if (strcasecmp(substr(__FILE__, -16), "classTextile.php") == 0) {
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if (function_exists('SmartyPants')) $text = SmartyPants($text);
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return $text;
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}
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# Fake restricted version: restrictions are not supported for now.
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function TextileRestricted($text, $lite='', $noimage='') {
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return $this->TextileThis($text, $lite);
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}
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# Workaround to ensure compatibility with TextPattern 4.0.3.
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function blockLite($text) { return $text; }
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}
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@ -302,7 +306,7 @@ class Markdown_Parser {
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(?:
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(?<=\s) # lookbehind for whitespace
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["(]
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(.+?) # title = $3
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(.*?) # title = $3
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[")]
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[ \t]*
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)? # title is optional
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@ -692,14 +696,14 @@ class Markdown_Parser {
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# These must come last in case you've also got [link test][1]
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# or [link test](/foo)
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#
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$text = preg_replace_callback('{
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( # wrap whole match in $1
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\[
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([^\[\]]+) # link text = $2; can\'t contain [ or ]
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\]
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)
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}xs',
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array(&$this, '_doAnchors_reference_callback'), $text);
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// $text = preg_replace_callback('{
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// ( # wrap whole match in $1
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// \[
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// ([^\[\]]+) # link text = $2; can\'t contain [ or ]
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// \]
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// )
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// }xs',
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// array(&$this, '_doAnchors_reference_callback'), $text);
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return $text;
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}
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@ -841,15 +845,12 @@ class Markdown_Parser {
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$whole_match = $matches[1];
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$alt_text = $matches[2];
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$url = $matches[3];
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$title = '';
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if (isset($matches[6])) {
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$title = $matches[6];
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}
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$title =& $matches[6];
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$alt_text = str_replace('"', '"', $alt_text);
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$title = str_replace('"', '"', $title);
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$result = "<img src=\"$url\" alt=\"$alt_text\"";
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if (isset($title)) {
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$title = str_replace('"', '"', $title);
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$result .= " title=\"$title\""; # $title already quoted
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}
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$result .= $this->empty_element_suffix;
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@ -1148,22 +1149,23 @@ class Markdown_Parser {
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# <strong> must go first:
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$text = preg_replace_callback('{
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( # $1: Marker
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(?<!\*\*) \*\* | # (not preceded by two chars of
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(?<!__) __ # the same marker)
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)
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(?<!\*\*) \* | # (not preceded by two chars of
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(?<!__) _ # the same marker)
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)
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\1
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(?=\S) # Not followed by whitespace
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(?!\1) # or two others marker chars.
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(?!\1\1) # or two others marker chars.
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( # $2: Content
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(?:
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[^*_]+? # Anthing not em markers.
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|
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# Balence any regular emphasis inside.
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([*_]) (?=\S) .+? (?<=\S) \3 # $3: em char (* or _)
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\1 (?=\S) .+? (?<=\S) \1
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|
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(?! \1 ) . # Allow unbalenced * and _.
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)+?
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)
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(?<=\S) \1 # End mark not preceded by whitespace.
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(?<=\S) \1\1 # End mark not preceded by whitespace.
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}sx',
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array(&$this, '_doItalicAndBold_strong_callback'), $text);
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# Then <em>:
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@ -1207,9 +1209,10 @@ class Markdown_Parser {
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$bq = $this->runBlockGamut($bq); # recurse
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$bq = preg_replace('/^/m', " ", $bq);
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# These leading spaces screw with <pre> content, so we need to fix that:
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# These leading spaces cause problem with <pre> content,
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# so we need to fix that:
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$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx',
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array(&$this, '_DoBlockQuotes_callback2'), $bq);
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array(&$this, '_DoBlockQuotes_callback2'), $bq);
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return $this->hashBlock("<blockquote>\n$bq\n</blockquote>")."\n\n";
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}
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@ -1245,52 +1248,46 @@ class Markdown_Parser {
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#
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# Unhashify HTML blocks
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#
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// foreach ($grafs as $key => $value) {
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// if (isset( $this->html_blocks[$value] )) {
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// $grafs[$key] = $this->html_blocks[$value];
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// }
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// }
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foreach ($grafs as $key => $graf) {
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# Modify elements of @grafs in-place...
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if (isset($this->html_blocks[$graf])) {
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$block = $this->html_blocks[$graf];
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$graf = $block;
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if (preg_match('{
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\A
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( # $1 = <div> tag
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<div \s+
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[^>]*
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\b
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markdown\s*=\s* ([\'"]) # $2 = attr quote char
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1
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\2
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[^>]*
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>
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)
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( # $3 = contents
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.*
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)
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(</div>) # $4 = closing tag
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\z
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}xs', $block, $matches))
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{
|
||||
list(, $div_open, , $div_content, $div_close) = $matches;
|
||||
|
||||
# We can't call Markdown(), because that resets the hash;
|
||||
# that initialization code should be pulled into its own sub, though.
|
||||
$div_content = $this->hashHTMLBlocks($div_content);
|
||||
|
||||
# Run document gamut methods on the content.
|
||||
foreach ($this->document_gamut as $method => $priority) {
|
||||
$div_content = $this->$method($div_content);
|
||||
}
|
||||
|
||||
$div_open = preg_replace(
|
||||
'{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
|
||||
|
||||
$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
|
||||
}
|
||||
// if (preg_match('{
|
||||
// \A
|
||||
// ( # $1 = <div> tag
|
||||
// <div \s+
|
||||
// [^>]*
|
||||
// \b
|
||||
// markdown\s*=\s* ([\'"]) # $2 = attr quote char
|
||||
// 1
|
||||
// \2
|
||||
// [^>]*
|
||||
// >
|
||||
// )
|
||||
// ( # $3 = contents
|
||||
// .*
|
||||
// )
|
||||
// (</div>) # $4 = closing tag
|
||||
// \z
|
||||
// }xs', $block, $matches))
|
||||
// {
|
||||
// list(, $div_open, , $div_content, $div_close) = $matches;
|
||||
//
|
||||
// # We can't call Markdown(), because that resets the hash;
|
||||
// # that initialization code should be pulled into its own sub, though.
|
||||
// $div_content = $this->hashHTMLBlocks($div_content);
|
||||
//
|
||||
// # Run document gamut methods on the content.
|
||||
// foreach ($this->document_gamut as $method => $priority) {
|
||||
// $div_content = $this->$method($div_content);
|
||||
// }
|
||||
//
|
||||
// $div_open = preg_replace(
|
||||
// '{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
|
||||
//
|
||||
// $graf = $div_open . "\n" . $div_content . "\n" . $div_close;
|
||||
// }
|
||||
$grafs[$key] = $graf;
|
||||
}
|
||||
}
|
||||
|
|
@ -1403,21 +1400,23 @@ class Markdown_Parser {
|
|||
|
||||
function tokenizeHTML($str) {
|
||||
#
|
||||
# Parameter: String containing HTML markup.
|
||||
# Parameter: String containing HTML + Markdown markup.
|
||||
# Returns: An array of the tokens comprising the input
|
||||
# string. Each token is either a tag (possibly with nested,
|
||||
# tags contained therein, such as <a href="<MTFoo>">, or a
|
||||
# run of text between tags. Each element of the array is a
|
||||
# string. Each token is either a tag or a run of text
|
||||
# between tags. Each element of the array is a
|
||||
# two-element array; the first is either 'tag' or 'text';
|
||||
# the second is the actual value.
|
||||
# Note: Takes code spans into account and does not generate tag
|
||||
# tokens inside code spans.
|
||||
# Note: Markdown code spans are taken into account: no tag token is
|
||||
# generated within a code span.
|
||||
#
|
||||
$tokens = array();
|
||||
|
||||
while ($str != "") {
|
||||
#
|
||||
#
|
||||
# Each loop iteration seach for either the next tag or the next
|
||||
# openning code span marker. If a code span marker is found, the
|
||||
# code span is extracted in entierty and will result in an extra
|
||||
# text token.
|
||||
#
|
||||
$parts = preg_split('{
|
||||
(
|
||||
|
|
@ -1496,7 +1495,8 @@ class Markdown_Parser {
|
|||
unset($blocks[0]); # Do not add first block twice.
|
||||
foreach ($blocks as $block) {
|
||||
# Calculate amount of space, insert spaces, insert block.
|
||||
$amount = $this->tab_width - strlen($line) % $this->tab_width;
|
||||
$amount = $this->tab_width -
|
||||
mb_strlen($line, 'UTF-8') % $this->tab_width;
|
||||
$line .= str_repeat(" ", $amount) . $block;
|
||||
}
|
||||
$text .= "$line\n";
|
||||
|
|
@ -1558,73 +1558,7 @@ Version History
|
|||
|
||||
See the readme file for detailed release notes for this version.
|
||||
|
||||
1.0.2b7 (16 Sep 2006)
|
||||
|
||||
* Changed span and block gamut methods so that they loop over a
|
||||
customizable list of methods. This makes subclassing the parser a more
|
||||
interesting option for creating syntax extensions.
|
||||
|
||||
* Also added a "document" gamut loop which can be used to hook document-level
|
||||
methods (like for striping link definitions).
|
||||
|
||||
* Changed all methods which were inserting HTML code so that they now return
|
||||
a hashed representation of the code. New methods `hashSpan` and `hashBlock`
|
||||
are used to hash respectivly span- and block-level generated content. This
|
||||
has a couple of significant effects:
|
||||
|
||||
1. It prevents invalid nesting of Markdown-generated elements which
|
||||
could occur occuring with constructs like `*something [link*][1]`.
|
||||
2. It prevents problems occuring with deeply nested lists on which
|
||||
paragraphs were ill-formed.
|
||||
3. It removes the need to call `hashHTMLBlocks` twice during the the
|
||||
block gamut.
|
||||
|
||||
Hashes are turned back to HTML prior output.
|
||||
|
||||
* Made the block-level HTML parser smarter using a specially-crafted regular
|
||||
expression capable of handling nested tags.
|
||||
|
||||
* Solved backtick issues in tag attributes by rewriting the HTML tokenizer to
|
||||
be aware of code spans. All these lines should work correctly now:
|
||||
|
||||
<span attr='`ticks`'>bar</span>
|
||||
<span attr='``double ticks``'>bar</span>
|
||||
`<test a="` content of attribute `">`
|
||||
|
||||
* `<address>` has been added to the list of block-level elements and is now
|
||||
treated as an HTML block instead of being wrapped within paragraph tags.
|
||||
|
||||
* Now only trim trailing newlines from code blocks, instead of trimming
|
||||
all trailing whitespace characters.
|
||||
|
||||
* Fixed bug where this:
|
||||
|
||||
[text](http://m.com "title" )
|
||||
|
||||
wasn't working as expected, because the parser wasn't allowing for spaces
|
||||
before the closing paren.
|
||||
|
||||
* Filthy hack to support markdown='1' in div tags.
|
||||
|
||||
* _DoAutoLinks() now supports the 'dict://' URL scheme.
|
||||
|
||||
* PHP- and ASP-style processor instructions are now protected as
|
||||
raw HTML blocks.
|
||||
|
||||
<? ... ?>
|
||||
<% ... %>
|
||||
|
||||
* Experimental support for [this] as a synonym for [this][].
|
||||
|
||||
* Fix for escaped backticks still triggering code spans:
|
||||
|
||||
There are two raw backticks here: \` and here: \`, not a code span
|
||||
|
||||
|
||||
1.0.1oo (19 May 2006)
|
||||
|
||||
* Converted PHP Markdown to a object-oriented design.
|
||||
|
||||
1.0.1d (1 Dec 2006)
|
||||
|
||||
1.0.1c (9 Dec 2005)
|
||||
|
||||
|
|
@ -1654,7 +1588,7 @@ Copyright (c) 2004-2006 Michel Fortin
|
|||
<http://www.michelf.com/>
|
||||
All rights reserved.
|
||||
|
||||
Copyright (c) 2003-2004 John Gruber
|
||||
Copyright (c) 2003-2006 John Gruber
|
||||
<http://daringfireball.net/>
|
||||
All rights reserved.
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue