var emitSectionTextLine = function()

in trimpath/template.js [302:331]

• 29 lines of code
• 7 McCabe index (conditional complexity)

    var emitSectionTextLine = function(line, funcText) {
        var endMarkPrev = '}';
        var endExprPrev = -1;
        while (endExprPrev + endMarkPrev.length < line.length) {
            var begMark = "${", endMark = "}";
            var begExpr = line.indexOf(begMark, endExprPrev + endMarkPrev.length); // In "a${b}c", begExpr == 1
            if (begExpr < 0)
                break;
            if (line.charAt(begExpr + 2) == '%') {
                begMark = "${%";
                endMark = "%}";
            }
            var endExpr = line.indexOf(endMark, begExpr + begMark.length);         // In "a${b}c", endExpr == 4;
            if (endExpr < 0)
                break;
            emitText(line.substring(endExprPrev + endMarkPrev.length, begExpr), funcText);                
            // Example: exprs == 'firstName|default:"John Doe"|capitalize'.split('|')
            var exprArr = line.substring(begExpr + begMark.length, endExpr).replace(/\|\|/g, "#@@#").split('|');
            for (var k in exprArr) {
                if (exprArr[k].replace) // IE 5.x fix from Igor Poteryaev.
                    exprArr[k] = exprArr[k].replace(/#@@#/g, '||');
            }
            funcText.push('_OUT.write(');
            emitExpression(exprArr, exprArr.length - 1, funcText); 
            funcText.push(');');
            endExprPrev = endExpr;
            endMarkPrev = endMark;
        }
        emitText(line.substring(endExprPrev + endMarkPrev.length), funcText); 
    }