mockit.coverage.reporting.sourceFiles.NeutralOutput Maven / Gradle / Ivy
/*
* Copyright (c) 2006 Rogério Liesenfeld
* This file is subject to the terms of the MIT license (see LICENSE.txt).
*/
package mockit.coverage.reporting.sourceFiles;
import java.io.*;
import javax.annotation.*;
import mockit.coverage.reporting.parsing.*;
final class NeutralOutput
{
@Nonnull private final PrintWriter output;
private boolean previousLineInImports;
private boolean previousLineInComments;
@Nullable private String lineIndentation;
private boolean blankLinesPending;
NeutralOutput(@Nonnull PrintWriter output) { this.output = output; }
boolean writeLineWithoutCoverageInfo(@Nonnull LineParser lineParser)
{
if (previousLineInComments || !previousLineInImports) {
if (writeLineInComments(lineParser) || writeLineInImports(lineParser)) {
return true;
}
}
else if (writeLineInImports(lineParser) || writeLineInComments(lineParser)) {
return true;
}
if (lineParser.isBlankLine()) {
blankLinesPending = true;
return true;
}
writeBlankLineIfPending();
return false;
}
private boolean writeLineInComments(@Nonnull LineParser lineParser)
{
LineElement initialElement = lineParser.getInitialElement();
if (
lineParser.isInComments() ||
previousLineInComments && initialElement.isComment() && initialElement.getNext() == null
) {
String lineText = initialElement.toString();
if (previousLineInComments) {
output.println();
}
else {
writeOpeningForCollapsibleBlockOfLines();
output.write(" ");
extractLineIndentation(lineText);
previousLineInComments = true;
}
output.write(lineText);
return true;
}
else if (previousLineInComments) {
output.append("").append(lineIndentation).println("/*...*/ ");
output.println(" ");
previousLineInComments = false;
}
return false;
}
private void writeOpeningForCollapsibleBlockOfLines()
{
writeBlankLineIfPending();
output.println(" ");
output.println(" ");
}
private void writeBlankLineIfPending()
{
if (blankLinesPending) {
output.println(" ");
blankLinesPending = false;
}
}
private void extractLineIndentation(@Nonnull String lineText)
{
int indentationSize = 0;
for (int i = 0; i < lineText.length(); i++, indentationSize++) {
if (lineText.charAt(i) > ' ') break;
}
lineIndentation = lineText.substring(0, indentationSize);
}
private boolean writeLineInImports(@Nonnull LineParser lineParser)
{
LineElement initialElement = lineParser.getInitialElement();
boolean isImport = initialElement.isKeyword("import");
if (!previousLineInImports && isImport || previousLineInImports && (isImport || lineParser.isBlankLine())) {
String lineText = initialElement.toString();
if (previousLineInImports) {
output.println();
blankLinesPending = !isImport;
}
else {
writeOpeningForCollapsibleBlockOfLines();
output.write(" ");
previousLineInImports = true;
}
output.write(lineText);
return true;
}
else if (previousLineInImports) {
output.println("import ...
");
output.println(" ");
previousLineInImports = false;
}
return false;
}
}