com.cflint.plugins.core.TooManyFunctionsChecker Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of CFLint Show documentation
Show all versions of CFLint Show documentation
A static code analysis tool for ColdFusion (in the spirit of FindBugs and Lint). With CFLint, you are able to analyze your ColdFusion code base for code violations.
package com.cflint.plugins.core;
import com.cflint.BugInfo;
import com.cflint.BugList;
import com.cflint.plugins.CFLintScannerAdapter;
import com.cflint.plugins.Context;
import cfml.parsing.cfscript.script.CFCompDeclStatement;
import cfml.parsing.cfscript.script.CFFuncDeclStatement;
import cfml.parsing.cfscript.script.CFScriptStatement;
import net.htmlparser.jericho.Element;
public class TooManyFunctionsChecker extends CFLintScannerAdapter {
final String severity = "WARNING";
final int FUNCTION_THRESHOLD = 10;
protected int functionCount = 0;
protected boolean alreadyTooMany = false;
@Override
public void expression(final CFScriptStatement expression, final Context context, final BugList bugs) {
if (expression instanceof CFCompDeclStatement) {
functionCount = 0;
alreadyTooMany = false;
}
else if (expression instanceof CFFuncDeclStatement) {
if (!trivalFunction(context.getFunctionName())) {
functionCount++;
if (!alreadyTooMany) {
checkNumberFunctions(functionCount, 1, context, bugs);
}
}
}
}
@Override
public void element(final Element element, final Context context, final BugList bugs) {
if (element.getName().equals("cfcomponent")) {
functionCount = 0;
alreadyTooMany = false;
}
else if (element.getName().equals("cffunction") && !trivalFunction(context.getFunctionName())) {
functionCount++;
if (!alreadyTooMany) {
checkNumberFunctions(functionCount, 1, context, bugs);
}
}
}
protected boolean trivalFunction(String name) {
final int length = name.length();
return length >= 3 && name.substring(1,3) == "get"
|| length >= 3 && name.substring(1,3) == "set"
|| length >= 2 && name.substring(1,2) == "is";
}
protected void checkNumberFunctions(int functionCount, int atLine, Context context, BugList bugs) {
String functionThreshold = getParameter("maximum");
int threshold = FUNCTION_THRESHOLD;
if (functionThreshold != null) {
threshold = Integer.parseInt(functionThreshold);
}
if (functionCount > threshold) {
alreadyTooMany = true;
bugs.add(new BugInfo.BugInfoBuilder().setLine(atLine).setMessageCode("EXCESSIVE_FUNCTIONS")
.setSeverity(severity).setFilename(context.getFilename()).setFunction(context.getFunctionName())
.setMessage("Function " + context.getFunctionName() + " has too many functions. Should be less than " + Integer.toString(threshold) + ".")
.build());
}
}
}