StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.2 KiB
84 lines
2.2 KiB
4 years ago
|
var redeyed = require('redeyed')
|
||
|
|
, theme = require('../themes/default')
|
||
|
|
, colors = require('ansicolors')
|
||
|
|
|
||
|
|
, colorSurround = colors.brightBlack
|
||
|
|
, surroundClose = '\u001b[39m'
|
||
|
|
;
|
||
|
|
|
||
|
|
function trimEmptyLines(lines) {
|
||
|
|
|
||
|
|
// remove lines from the end until we find a non-empy one
|
||
|
|
var line = lines.pop();
|
||
|
|
while(!line || !line.length)
|
||
|
|
line = lines.pop();
|
||
|
|
|
||
|
|
// put the non-empty line back
|
||
|
|
if (line) lines.push(line);
|
||
|
|
}
|
||
|
|
|
||
|
|
function addLinenos (highlightedCode, firstline) {
|
||
|
|
var highlightedLines = highlightedCode.split('\n');
|
||
|
|
|
||
|
|
trimEmptyLines(highlightedLines);
|
||
|
|
|
||
|
|
var linesLen = highlightedLines.length
|
||
|
|
, lines = []
|
||
|
|
, totalDigits
|
||
|
|
, lineno
|
||
|
|
;
|
||
|
|
|
||
|
|
function getDigits (n) {
|
||
|
|
if (n < 10) return 1;
|
||
|
|
if (n < 100) return 2;
|
||
|
|
if (n < 1000) return 3;
|
||
|
|
if (n < 10000) return 4;
|
||
|
|
// this works for up to 99,999 lines - any questions?
|
||
|
|
return 5;
|
||
|
|
}
|
||
|
|
|
||
|
|
function pad (n, totalDigits) {
|
||
|
|
// not pretty, but simple and should perform quite well
|
||
|
|
var padDigits= totalDigits - getDigits(n);
|
||
|
|
switch(padDigits) {
|
||
|
|
case 0: return '' + n;
|
||
|
|
case 1: return ' ' + n;
|
||
|
|
case 2: return ' ' + n;
|
||
|
|
case 3: return ' ' + n;
|
||
|
|
case 4: return ' ' + n;
|
||
|
|
case 5: return ' ' + n;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
totalDigits = getDigits(linesLen + firstline - 1);
|
||
|
|
|
||
|
|
for (var i = 0; i < linesLen; i++) {
|
||
|
|
// Don't close the escape sequence here in order to not break multi line code highlights like block comments
|
||
|
|
lineno = colorSurround(pad(i + firstline, totalDigits) + ': ').replace(surroundClose, '');
|
||
|
|
lines.push(lineno + highlightedLines[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return lines.join('\n');
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = function highlight (code, opts) {
|
||
|
|
opts = opts || { };
|
||
|
|
if (opts.json) {
|
||
|
|
code = '!\n' + code;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
|
||
|
|
var result = redeyed(code, opts.theme || theme)
|
||
|
|
, firstline = opts.firstline && !isNaN(opts.firstline) ? opts.firstline : 1;
|
||
|
|
|
||
|
|
if (opts.json) {
|
||
|
|
result.code = result.code.split('\n').slice(1).join('\n');
|
||
|
|
}
|
||
|
|
|
||
|
|
return opts.linenos ? addLinenos(result.code, firstline) : result.code;
|
||
|
|
} catch (e) {
|
||
|
|
e.message = 'Unable to perform highlight. The code contained syntax errors: ' + e.message;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
};
|