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/**
* @fileoverview proselight, based on microlight - syntax highlightning library
* @version 0.0.7
*
* @license MIT, see http://github.com/asvd/microlight
* @copyright 2016 asvd <heliosframework@gmail.com>
*
* Code structure aims at minimizing the compressed library size
*/
( function () {
// for better compression
var _window = window,
_document = document,
appendChild = 'appendChild',
test = 'test',
i, j,
proselighted,
cna, //child node array
cn, //child node
el; // current proselighted element to run through
// nodes to highlight
proselighted = _document.querySelectorAll('p');
for (i = 0; el = proselighted[i++];) {
cna = Array.from(el.childNodes);
for (j = 0; cn = cna[j++];) {
el[appendChild](cn);
if (cn.nodeType == Node.TEXT_NODE) {
el.removeChild(cn);
var text = cn.textContent,
pos = 0, // current position
next1 = text[0], // next character
chr = 1, // current character
prev1, // previous character
prev2, // the one before the previous
token = '', // current token content
// current token type:
tokenType = 0,
// flag determining if token is multi-character
multichar,
node;
// running through characters and highlighting
while (prev2 = prev1, prev1 = chr) {
chr = next1;
next1=text[++pos];
multichar = token.length > 1;
// checking if current token should be finalized
if (!chr || // end of content
[ // finalize conditions for other token types
// 0: unformatted
/[":;,\\.?!\])\/{}[(|]/[test](chr),
// 1: parentesis or braces
/[\]){}[(]/[test](prev1) && multichar,
// 2: terminators
1, // consist of a single character
// 3: separators
1, // consist of a single character
// 4: quotes
prev1 == '"' && multichar,
][tokenType]
) {
// appending the token to the result
if (token) {
// map token type into class
el[appendChild](
node = _document.createElement('span')
).setAttribute('class', 'ph'+tokenType);
node[appendChild](_document.createTextNode(token));
}
// initializing a new token
token = '';
// determining the new token type (going up the
// list until matching a token type start
// condition)
tokenType = 5;
while (![
1, // 0: unformatted
/[\]){}[(]/[test](chr), // 1: parenthesis or braces
/[\\.?!]/[test](chr), // 2: terminators
/[:;,]/[test](chr), // 3: separators
chr == '"', // 4: quotes
][--tokenType]);
}
token += chr;
}
}
}
}
} )();
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