// 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)
/*jshint browser:true, devel:true */
(function( expose ) {
/**
* class Markdown
*
* Markdown processing in Javascript done right. We have very particular views
* on what constitutes 'right' which include:
*
* - produces well-formed HTML (this means that em and strong nesting is
* important)
*
* - has an intermediate representation to allow processing of parsed data (We
* in fact have two, both as [JsonML]: a markdown tree and an HTML tree).
*
* - is easily extensible to add new dialects without having to rewrite the
* entire parsing mechanics
*
* - has a good test suite
*
* This implementation fulfills all of these (except that the test suite could
* do with expanding to automatically run all the fixtures from other Markdown
* implementations.)
*
* ##### Intermediate Representation
*
* *TODO* Talk about this :) Its JsonML, but document the node names we use.
*
* [JsonML]: http://jsonml.org/ "JSON Markup Language"
**/
var Markdown = expose.Markdown = function(dialect) {
switch (typeof dialect) {
case "undefined":
this.dialect = Markdown.dialects.Gruber;
break;
case "object":
this.dialect = dialect;
break;
default:
if ( dialect in Markdown.dialects ) {
this.dialect = Markdown.dialects[dialect];
}
else {
throw new Error("Unknown Markdown dialect '" + String(dialect) + "'");
}
break;
}
this.em_state = [];
this.strong_state = [];
this.debug_indent = "";
};
/**
* parse( markdown, [dialect] ) -> JsonML
* - markdown (String): markdown string to parse
* - dialect (String | Dialect): the dialect to use, defaults to gruber
*
* Parse `markdown` and return a markdown document as a Markdown.JsonML tree.
**/
expose.parse = function( source, dialect ) {
// dialect will default if undefined
var md = new Markdown( dialect );
return md.toTree( source );
};
/**
* toHTML( markdown, [dialect] ) -> String
* toHTML( md_tree ) -> String
* - markdown (String): markdown string to parse
* - md_tree (Markdown.JsonML): parsed markdown tree
*
* 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 , options ) {
var input = expose.toHTMLTree( source , dialect , options );
return expose.renderJsonML( input );
};
/**
* toHTMLTree( markdown, [dialect] ) -> JsonML
* toHTMLTree( md_tree ) -> JsonML
* - markdown (String): markdown string to parse
* - dialect (String | Dialect): the dialect to use, defaults to gruber
* - md_tree (Markdown.JsonML): parsed markdown tree
*
* Turn markdown into HTML, represented as a JsonML tree. If a string is given
* to this function, it is first parsed into a markdown tree by calling
* [[parse]].
**/
expose.toHTMLTree = function toHTMLTree( input, dialect , options ) {
// convert string input to an MD tree
if ( typeof input ==="string" ) input = this.parse( input, dialect );
// Now convert the MD tree to an HTML tree
// remove references from the tree
var attrs = extract_attr( input ),
refs = {};
if ( attrs && attrs.references ) {
refs = attrs.references;
}
var html = convert_tree_to_html( input, refs , options );
merge_text_nodes( html );
return html;
};
// For Spidermonkey based engines
function mk_block_toSource() {
return "Markdown.mk_block( " +
uneval(this.toString()) +
", " +
uneval(this.trailing) +
", " +
uneval(this.lineNumber) +
" )";
}
// node
function mk_block_inspect() {
var util = require("util");
return "Markdown.mk_block( " +
util.inspect(this.toString()) +
", " +
util.inspect(this.trailing) +
", " +
util.inspect(this.lineNumber) +
" )";
}
var mk_block = Markdown.mk_block = function(block, trail, line) {
// Be helpful for default case in tests.
if ( arguments.length == 1 ) trail = "\n\n";
var s = new String(block);
s.trailing = trail;
// To make it clear its not just a string
s.inspect = mk_block_inspect;
s.toSource = mk_block_toSource;
if ( line != undefined )
s.lineNumber = line;
return s;
};
function count_lines( str ) {
var n = 0, i = -1;
while ( ( i = str.indexOf("\n", i + 1) ) !== -1 ) n++;
return n;
}
// Internal - split source into rough blocks
Markdown.prototype.split_blocks = function splitBlocks( input, startLine ) {
input = input.replace(/(\r\n|\n|\r)/g, "\n");
// [\s\S] matches _anything_ (newline or space)
// [^] is equivalent but doesn't work in IEs.
var re = /([\s\S]+?)($|\n#|\n(?:\s*\n|$)+)/g,
blocks = [],
m;
var line_no = 1;
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.exec(input) ) !== null ) {
if (m[2] == "\n#") {
m[2] = "\n";
re.lastIndex--;
}
blocks.push( mk_block( m[1], m[2], line_no ) );
line_no += count_lines( m[0] );
}
return blocks;
};
/**
* Markdown#processBlock( block, next ) -> undefined | [ JsonML, ... ]
* - block (String): the block to process
* - next (Array): the following blocks
*
* Process `block` and return an array of JsonML nodes representing `block`.
*
* It does this by asking each block level function in the dialect to process
* the block until one can. Succesful handling is indicated by returning an
* array (with zero or more JsonML nodes), failure by a false value.
*
* Blocks handlers are responsible for calling [[Markdown#processInline]]
* themselves as appropriate.
*
* If the blocks were split incorrectly or adjacent blocks need collapsing you
* can adjust `next` in place using shift/splice etc.
*
* If any of this default behaviour is not right for the dialect, you can
* define a `__call__` method on the dialect that will get invoked to handle
* the block processing.
*/
Markdown.prototype.processBlock = function processBlock( block, next ) {
var cbs = this.dialect.block,
ord = cbs.__order__;
if ( "__call__" in cbs ) {
return cbs.__call__.call(this, block, next);
}
for ( var i = 0; i < ord.length; i++ ) {
//D:this.debug( "Testing", ord[i] );
var res = cbs[ ord[i] ].call( this, block, next );
if ( res ) {
//D:this.debug(" matched");
if ( !isArray(res) || ( res.length > 0 && !( isArray(res[0]) ) ) )
this.debug(ord[i], "didn't return a proper array");
//D:this.debug( "" );
return res;
}
}
// Uhoh! no match! Should we throw an error?
return [];
};
Markdown.prototype.processInline = function processInline( block ) {
return this.dialect.inline.__call__.call( this, String( block ) );
};
/**
* Markdown#toTree( source ) -> JsonML
* - source (String): markdown source to parse
*
* Parse `source` into a JsonML tree representing the markdown document.
**/
// custom_tree means set this.tree to `custom_tree` and restore old value on return
Markdown.prototype.toTree = function toTree( source, custom_root ) {
var blocks = source instanceof Array ? source : this.split_blocks( source );
// Make tree a member variable so its easier to mess with in extensions
var old_tree = this.tree;
try {
this.tree = custom_root || this.tree || [ "markdown" ];
blocks:
while ( blocks.length ) {
var b = this.processBlock( blocks.shift(), blocks );
// Reference blocks and the like won't return any content
if ( !b.length ) continue blocks;
this.tree.push.apply( this.tree, b );
}
return this.tree;
}
finally {
if ( custom_root ) {
thi
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微信小程序学习用demo:极客学院.zip (237个子文件)
.gitignore 8B
1.jpg 7KB
2.jpg 7KB
markdown.js 50KB
booklist.js 27KB
booktext.js 11KB
htmlparser.js 8KB
example.js 6KB
index.js 4KB
html2json.js 4KB
background-audio.js 2KB
voice.js 2KB
animation.js 2KB
on-accelerometer-change.js 2KB
storage.js 2KB
booknav.js 1KB
label.js 1KB
file.js 1KB
index.js 1KB
image.js 1KB
catalog.js 1KB
video.js 1KB
canvas.js 1KB
input.js 899B
button.js 805B
app.js 768B
swiper.js 679B
scroll-view.js 664B
form.js 647B
get-user-info.js 602B
action-sheet.js 576B
slide-tab.js 536B
text.js 530B
map.js 528B
audio.js 497B
picker.js 481B
toast.js 467B
welcome.js 465B
canvas.js 463B
get-location.js 455B
get-network-type.js 450B
index.js 411B
checkbox.js 410B
modal.js 407B
radio.js 404B
icon.js 394B
util.js 394B
login.js 365B
loading.js 312B
video.js 301B
open-location.js 282B
format-location.js 259B
pull-down-refresh.js 254B
get-system-info.js 251B
slider.js 249B
switch.js 239B
navigator.js 216B
on-compass-change.js 211B
navigation-bar-loading.js 171B
set-navigation-bar-title.js 171B
index.js 143B
redirect.js 122B
navigate.js 122B
image.js 10B
request-payment.js 10B
progress.js 9B
view.js 9B
upload-file.js 9B
web-socket.js 9B
request.js 9B
download-file.js 9B
navigator.js 8B
app.json 4KB
index.json 195B
welcome.json 195B
catalog.json 195B
pull-down-refresh.json 84B
on-accelerometer-change.json 61B
get-network-type.json 61B
get-system-info.json 61B
navigation-bar-loading.json 58B
video.json 56B
on-compass-change.json 55B
get-user-info.json 55B
set-navigation-bar-title.json 55B
canvas.json 49B
navigator.json 49B
request-payment.json 49B
get-location.json 49B
open-location.json 49B
upload-file.json 49B
request.json 49B
storage.json 49B
download-file.json 49B
login.json 49B
background-audio.json 48B
web-socket.json 47B
canvas.json 43B
map.json 43B
file.json 43B
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