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update markdown.js from https://github.com/evilstreak/markdown-js

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This commit is contained in:
tanabe 2011-10-05 13:29:16 +09:00
parent 773d7d75be
commit 1c0f0dbaf7
1 changed files with 40 additions and 26 deletions
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66
js/markdown.js
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@ -1,6 +1,7 @@
// Released under MIT license
// Copyright (c) 2009-2010 Dominic Baggott
// Copyright (c) 2009-2010 Ash Berlin
// Copyright (c) 2011 Christoph Dorn <christoph@christophdorn.com> (http://www.christophdorn.com)
(function( expose ) {
@ -75,8 +76,8 @@ expose.parse = function( source, dialect ) {
* Take markdown (either as a string or as a JsonML tree) and run it through
* [[toHTMLTree]] then turn it into a well-formated HTML fragment.
**/
expose.toHTML = function toHTML( source , dialect ) {
var input = expose.toHTMLTree( source , dialect );
expose.toHTML = function toHTML( source , dialect , options ) {
var input = expose.toHTMLTree( source , dialect , options );
return expose.renderJsonML( input );
}
@ -92,7 +93,7 @@ expose.toHTML = function toHTML( source , dialect ) {
* to this function, it is first parsed into a markdown tree by calling
* [[parse]].
**/
expose.toHTMLTree = function toHTMLTree( input, dialect ) {
expose.toHTMLTree = function toHTMLTree( input, dialect , options ) {
// convert string input to an MD tree
if ( typeof input ==="string" ) input = this.parse( input, dialect );
@ -106,7 +107,7 @@ expose.toHTMLTree = function toHTMLTree( input, dialect ) {
refs = attrs.references;
}
var html = convert_tree_to_html( input, refs );
var html = convert_tree_to_html( input, refs , options );
merge_text_nodes( html );
return html;
}
@ -149,13 +150,13 @@ Markdown.prototype.split_blocks = function splitBlocks( input, startLine ) {
var line_no = 1;
if ( ( m = (/^(\s*\n)/)(input) ) != null ) {
if ( ( m = /^(\s*\n)/.exec(input) ) != null ) {
// skip (but count) leading blank lines
line_no += count_lines( m[0] );
re.lastIndex = m[0].length;
}
while ( ( m = re(input) ) != null ) {
while ( ( m = re.exec(input) ) != null ) {
blocks.push( mk_block( m[1], m[2], line_no ) );
line_no += count_lines( m[0] );
}
@ -197,7 +198,7 @@ Markdown.prototype.processBlock = function processBlock( block, next ) {
var res = cbs[ ord[i] ].call( this, block, next );
if ( res ) {
//D:this.debug(" matched");
if ( !res instanceof Array || ( res.length > 0 && !( res[0] instanceof Array ) ) )
if ( !isArray(res) || ( res.length > 0 && !( isArray(res[0]) ) ) )
this.debug(ord[i], "didn't return a proper array");
//D:this.debug( "" );
return res;
@ -251,7 +252,10 @@ Markdown.prototype.toTree = function toTree( source, custom_root ) {
Markdown.prototype.debug = function () {
var args = Array.prototype.slice.call( arguments);
args.unshift(this.debug_indent);
print.apply( print, args );
if (typeof print !== "undefined")
print.apply( print, args );
if (typeof console !== "undefined" && typeof console.log !== "undefined")
console.log.apply( null, args );
}
Markdown.prototype.loop_re_over_block = function( re, block, cb ) {
@ -259,7 +263,7 @@ Markdown.prototype.loop_re_over_block = function( re, block, cb ) {
var m,
b = block.valueOf();
while ( b.length && (m = re(b) ) != null) {
while ( b.length && (m = re.exec(b) ) != null) {
b = b.substr( m[0].length );
cb.call(this, m);
}
@ -288,7 +292,8 @@ Markdown.dialects.Gruber = {
if ( !m ) return undefined;
var header = [ "header", { level: m[ 1 ].length }, m[ 2 ] ];
var header = [ "header", { level: m[ 1 ].length } ];
Array.prototype.push.apply(header, this.processInline(m[ 2 ]));
if ( m[0].length < block.length )
next.unshift( mk_block( block.substr( m[0].length ), block.trailing, block.lineNumber + 2 ) );
@ -456,7 +461,7 @@ Markdown.dialects.Gruber = {
ret = [];
while ( blocks.length > 0 ) {
if ( re( blocks[0] ) ) {
if ( re.exec( blocks[0] ) ) {
var b = blocks.shift(),
// Now remove that indent
x = b.replace( replace, "");
@ -493,7 +498,7 @@ Markdown.dialects.Gruber = {
if ( !m ) return undefined;
function make_list( m ) {
var list = bullet_list( m[2] )
var list = bullet_list.exec( m[2] )
? ["bulletlist"]
: ["numberlist"];
@ -828,7 +833,9 @@ Markdown.dialects.Gruber.inline = {
if ( m[4] !== undefined)
attrs.title = m[4];
return [ m[0].length, [ "link", attrs, m[1] ] ];
var link = [ "link", attrs ];
Array.prototype.push.apply( link, this.processInline( m[1] ) );
return [ m[0].length, link ];
}
// [Alt text][id]
@ -840,19 +847,16 @@ Markdown.dialects.Gruber.inline = {
// [id] case, text == id
if ( m[2] === undefined || m[2] === "" ) m[2] = m[1];
attrs = { ref: m[ 2 ].toLowerCase(), original: m[ 0 ] };
link = [ "link_ref", attrs ];
Array.prototype.push.apply( link, this.processInline( m[1] ) );
// We can't check if the reference is known here as it likely wont be
// found till after. Check it in md tree->hmtl tree conversion.
// Store the original so that conversion can revert if the ref isn't found.
return [
m[ 0 ].length,
[
"link_ref",
{
ref: m[ 2 ].toLowerCase(),
original: m[ 0 ]
},
m[ 1 ]
]
link
];
}
@ -1161,11 +1165,15 @@ Markdown.dialects.Maruku.inline[ "{:" ] = function inline_meta( text, matches, o
Markdown.buildBlockOrder ( Markdown.dialects.Maruku.block );
Markdown.buildInlinePatterns( Markdown.dialects.Maruku.inline );
var isArray = expose.isArray = function(obj) {
return (obj instanceof Array || typeof obj === "array" || Array.isArray(obj));
}
function extract_attr( jsonml ) {
return jsonml instanceof Array
return isArray(jsonml)
&& jsonml.length > 1
&& typeof jsonml[ 1 ] === "object"
&& !( jsonml[ 1 ] instanceof Array )
&& !( isArray(jsonml[ 1 ]) )
? jsonml[ 1 ]
: undefined;
}
@ -1307,11 +1315,17 @@ function render_tree( jsonml ) {
return "<"+ tag + tag_attrs + ">" + content.join( "" ) + "</" + tag + ">";
}
function convert_tree_to_html( tree, references ) {
function convert_tree_to_html( tree, references, options ) {
options = options || {};
// shallow clone
var jsonml = tree.slice( 0 );
// Clone attributes if the exist
if (typeof options.preprocessTreeNode === "function") {
jsonml = options.preprocessTreeNode(jsonml, references);
}
// Clone attributes if they exist
var attrs = extract_attr( jsonml );
if ( attrs ) {
jsonml[ 1 ] = {};
@ -1410,7 +1424,7 @@ function convert_tree_to_html( tree, references ) {
}
for ( ; i < jsonml.length; ++i ) {
jsonml[ i ] = arguments.callee( jsonml[ i ], references );
jsonml[ i ] = arguments.callee( jsonml[ i ], references, options );
}
return jsonml;