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[formatter/TextRegionToString] support indentation

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Signed-off-by: Moritz Eysholdt <moritz.eysholdt@typefox.io>
This commit is contained in:
Moritz Eysholdt 2016-04-08 11:39:00 +02:00
parent e04506c903
commit 907c3f901c
1 changed files with 30 additions and 7 deletions
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37
plugins/org.eclipse.xtext/src/org/eclipse/xtext/formatting2/debug/TextRegionAccessToString.java
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@ -79,11 +79,13 @@ public class TextRegionAccessToString {
private static final String HIDDEN_PADDED = Strings.padEnd(HIDDEN, TITLE_WIDTH, ' ');
private static final String SEMANTIC_PADDED = Strings.padEnd("S", TITLE_WIDTH, ' ');
private Function<AbstractElement, String> grammarToString = new GrammarElementTitleSwitch().showRule()
.showAssignments().showQualified();
private Function<AbstractElement, String> grammarToString = new GrammarElementTitleSwitch().showRule().showAssignments()
.showQualified();
private boolean hideColumnExplanation = false;
private boolean hideIndentation = false;
private boolean hightlightOrigin = false;
private ITextSegment origin;
@ -99,6 +101,11 @@ public class TextRegionAccessToString {
return this;
}
public TextRegionAccessToString hideIndentation() {
this.hideIndentation = true;
return this;
}
public TextRegionAccessToString hightlightOrigin() {
this.hightlightOrigin = true;
return this;
@ -108,6 +115,10 @@ public class TextRegionAccessToString {
return hideColumnExplanation;
}
public boolean isHideIndentation() {
return hideIndentation;
}
public boolean isHightlightOrigin() {
return hightlightOrigin;
}
@ -169,6 +180,7 @@ public class TextRegionAccessToString {
}
for (String error : errors)
result.add(error, false);
int indentation = 0;
for (ITextSegment region : list) {
List<IEObjectRegion> previous = Lists.newArrayList();
List<IEObjectRegion> next = Lists.newArrayList();
@ -188,15 +200,26 @@ public class TextRegionAccessToString {
Collections.sort(previous, AstRegionComparator.CHILDREN_FIRST);
Collections.sort(next, AstRegionComparator.CONTAINER_FIRST);
}
for (IEObjectRegion obj : previous)
result.add(EOBJECT_END_PADDED + toString(obj));
result.add(region, Joiner.on("\n").join(middle));
for (IEObjectRegion obj : next)
result.add(EOBJECT_BEGIN_PADDED + toString(obj));
for (IEObjectRegion obj : previous) {
indentation--;
result.add(indent(indentation) + EOBJECT_END_PADDED + toString(obj));
}
String indent = indent(indentation);
result.add(region, indent + Joiner.on("\n").join(middle).replace("\n", "\n" + indent));
for (IEObjectRegion obj : next) {
result.add(indent(indentation) + EOBJECT_BEGIN_PADDED + toString(obj));
indentation++;
}
}
return result.toString();
}
protected String indent(int indentation) {
if (hideIndentation)
return "";
return Strings.repeat(" ", indentation);
}
protected String toString(AbstractRule rule) {
return rule == null ? "null" : rule.getName();
}