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Code Issues Projects Releases Wiki Activity

Support for github-style code blocks

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This commit is contained in:
Roger Braun 2011-10-20 17:08:27 +02:00
parent 3c52317851
commit a589a987d4
1 changed files with 39 additions and 3 deletions
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42
src/showdown.js
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@ -355,6 +355,7 @@ var _RunBlockGamut = function(text) {
text = text.replace(/^[ ]{0,2}([ ]?\_[ ]?){3,}[ \t]*$/gm,key);
text = _DoLists(text);
text = _DoGithubCodeBlocks(text);
text = _DoCodeBlocks(text);
text = _DoBlockQuotes(text);
@ -889,12 +890,48 @@ var _DoCodeBlocks = function(text) {
return text;
}
var _DoGithubCodeBlocks = function(text) {
//
// Process Github-style code blocks
// Example:
// ```ruby
// def hello_world(x)
// puts "Hello, #{x}"
// end
// ```
//
// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
text += "~0";
text = text.replace(/\n```(.*)\n([^`]+)\n```/g,
function(wholeMatch,m1,m2) {
var language = m1;
var codeblock = m2;
codeblock = _EncodeCode(codeblock);
codeblock = _Detab(codeblock);
codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace
codeblock = "<pre><code class=" + language + ">" + codeblock + "\n</code></pre>";
return hashBlock(codeblock);
}
);
// attacklab: strip sentinel
text = text.replace(/~0/,"");
return text;
}
var hashBlock = function(text) {
text = text.replace(/(^\n+|\n+$)/g,"");
return "\n\n~K" + (g_html_blocks.push(text)-1) + "K\n\n";
}
var _DoCodeSpans = function(text) {
//
// * Backtick quotes are used for <code></code> spans.
@ -946,7 +983,6 @@ var _DoCodeSpans = function(text) {
return text;
}
var _EncodeCode = function(text) {
//
// Encode/escape certain characters inside Markdown code runs.
@ -1299,4 +1335,4 @@ var escapeCharacters_callback = function(wholeMatch,m1) {
} // end of Showdown.converter
// export
if (typeof exports != 'undefined') exports.Showdown = Showdown;
if (typeof exports != 'undefined') exports.Showdown = Showdown;