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Diffstat (limited to 'base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java')
-rw-r--r--base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java103
1 files changed, 47 insertions, 56 deletions
diff --git a/base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java b/base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java
index 5d020a6..0fe998d 100644
--- a/base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java
+++ b/base/src/main/java/bjc/utils/parserutils/delims/DelimiterGroup.java
@@ -144,11 +144,12 @@ public class DelimiterGroup<T> {
markSubgroup(impliedSubgroups.get(closer), chars);
}
+ /* The resulting tree. */
final ITree<T> res = new Tree<>(chars.contents);
/*
- * Add either the contents of the current group, or
- * subgroups if they're their.
+ * Add either the contents of the current group,
+ * or subgroups if they're there.
*/
if(contents.isEmpty()) {
currentGroup.forEach(res::addChild);
@@ -260,12 +261,14 @@ public class DelimiterGroup<T> {
* open one.
*/
public IPair<T, T[]> doesOpen(final T marker) {
- if(openDelimiters.containsKey(marker)) return new Pair<>(openDelimiters.get(marker), null);
+ if (openDelimiters.containsKey(marker))
+ return new Pair<>(openDelimiters.get(marker), null);
for(final Function<T, IPair<T, T[]>> pred : predOpeners) {
final IPair<T, T[]> par = pred.apply(marker);
- if(par.getLeft() != null) return par;
+ if (par.getLeft() != null)
+ return par;
}
return new Pair<>(null, null);
@@ -286,29 +289,19 @@ public class DelimiterGroup<T> {
*/
public final T groupName;
- /*
- * The delimiters that open groups at the top level of this group.
- */
+ /* The delimiters that open groups at the top level of this group. */
private final Map<T, T> openDelimiters;
- /*
- * The delimiters that open groups inside of this group.
- */
+ /* The delimiters that open groups inside of this group. */
private final Map<T, T> nestedOpenDelimiters;
- /*
- * The delimiters that close this group.
- */
+ /* The delimiters that close this group. */
private final Set<T> closingDelimiters;
- /*
- * The groups that can't occur in the top level of this group.
- */
+ /* The groups that can't occur in the top level of this group. */
private final Set<T> topLevelExclusions;
- /*
- * The groups that can't occur anywhere inside this group.
- */
+ /* The groups that can't occur anywhere inside this group. */
private final Set<T> groupExclusions;
/*
@@ -317,24 +310,16 @@ public class DelimiterGroup<T> {
*/
private final Map<T, Integer> subgroups;
- /*
- * Subgroups implied by a particular closing delimiter
- */
+ /* Subgroups implied by a particular closing delimiter */
private final Map<T, T> impliedSubgroups;
- /*
- * Allows more complex openings
- */
+ /* Allows more complex openings */
private final List<Function<T, IPair<T, T[]>>> predOpeners;
- /*
- * Allow more complex closings
- */
+ /* Allow more complex closings */
private final List<BiPredicate<T, T[]>> predClosers;
- /*
- * Whether or not this group starts a new nesting set.
- */
+ /* Whether or not this group starts a new nesting set. */
private boolean forgetful;
/**
@@ -344,19 +329,20 @@ public class DelimiterGroup<T> {
* The name of the delimiter group
*/
public DelimiterGroup(final T name) {
- if(name == null) throw new NullPointerException("Group name must not be null");
+ if (name == null)
+ throw new NullPointerException("Group name must not be null");
groupName = name;
- openDelimiters = new HashMap<>();
+ openDelimiters = new HashMap<>();
nestedOpenDelimiters = new HashMap<>();
closingDelimiters = new HashSet<>();
topLevelExclusions = new HashSet<>();
- groupExclusions = new HashSet<>();
+ groupExclusions = new HashSet<>();
- subgroups = new HashMap<>();
+ subgroups = new HashMap<>();
impliedSubgroups = new HashMap<>();
predOpeners = new LinkedList<>();
@@ -373,17 +359,17 @@ public class DelimiterGroup<T> {
public final void addClosing(final T... closers) {
final List<T> closerList = Arrays.asList(closers);
- for(final T closer : closerList) {
- if(closer == null)
+ for (final T closer : closerList) {
+ if (closer == null) {
throw new NullPointerException("Closing delimiter must not be null");
- else if(closer.equals(""))
+ } else if (closer.equals("")) {
/*
* We can do this because equals works on
* arbitrary objects, not just those of the same
* type.
*/
throw new IllegalArgumentException("Empty string is not a valid exclusion");
- else {
+ } else {
closingDelimiters.add(closer);
}
}
@@ -398,17 +384,17 @@ public class DelimiterGroup<T> {
*/
@SafeVarargs
public final void addTopLevelForbid(final T... exclusions) {
- for(final T exclusion : exclusions) {
- if(exclusion == null)
+ for (final T exclusion : exclusions) {
+ if (exclusion == null) {
throw new NullPointerException("Exclusion must not be null");
- else if(exclusion.equals(""))
+ } else if (exclusion.equals("")) {
/*
* We can do this because equals works on
* arbitrary objects, not just those of the same
* type.
*/
throw new IllegalArgumentException("Empty string is not a valid exclusion");
- else {
+ } else {
topLevelExclusions.add(exclusion);
}
}
@@ -422,17 +408,17 @@ public class DelimiterGroup<T> {
*/
@SafeVarargs
public final void addGroupForbid(final T... exclusions) {
- for(final T exclusion : exclusions) {
- if(exclusion == null)
+ for (final T exclusion : exclusions) {
+ if (exclusion == null) {
throw new NullPointerException("Exclusion must not be null");
- else if(exclusion.equals(""))
+ } else if (exclusion.equals("")) {
/*
* We can do this because equals works on
* arbitrary objects, not just those of the same
* type.
*/
throw new IllegalArgumentException("Empty string is not a valid exclusion");
- else {
+ } else {
groupExclusions.add(exclusion);
}
}
@@ -448,7 +434,8 @@ public class DelimiterGroup<T> {
* The priority of this sub-group.
*/
public void addSubgroup(final T subgroup, final int priority) {
- if(subgroup == null) throw new NullPointerException("Subgroup marker must not be null");
+ if (subgroup == null)
+ throw new NullPointerException("Subgroup marker must not be null");
subgroups.put(subgroup, priority);
}
@@ -463,9 +450,10 @@ public class DelimiterGroup<T> {
* The group opened by the marker.
*/
public void addOpener(final T opener, final T group) {
- if(opener == null)
+ if (opener == null)
throw new NullPointerException("Opener must not be null");
- else if(group == null) throw new NullPointerException("Group to open must not be null");
+ else if (group == null)
+ throw new NullPointerException("Group to open must not be null");
openDelimiters.put(opener, group);
}
@@ -480,9 +468,11 @@ public class DelimiterGroup<T> {
* The group opened by the marker.
*/
public void addNestedOpener(final T opener, final T group) {
- if(opener == null)
+ if (opener == null) {
throw new NullPointerException("Opener must not be null");
- else if(group == null) throw new NullPointerException("Group to open must not be null");
+ } else if (group == null) {
+ throw new NullPointerException("Group to open must not be null");
+ }
nestedOpenDelimiters.put(opener, group);
}
@@ -497,14 +487,15 @@ public class DelimiterGroup<T> {
* The subgroup to imply.
*/
public void implySubgroup(final T closer, final T subgroup) {
- if(closer == null)
+ if (closer == null) {
throw new NullPointerException("Closer must not be null");
- else if(subgroup == null)
+ } else if (subgroup == null) {
throw new NullPointerException("Subgroup must not be null");
- else if(!closingDelimiters.contains(closer))
+ } else if (!closingDelimiters.contains(closer)) {
throw new IllegalArgumentException(String.format("No closing delimiter '%s' defined", closer));
- else if(!subgroups.containsKey(subgroup))
+ } else if (!subgroups.containsKey(subgroup)) {
throw new IllegalArgumentException(String.format("No subgroup '%s' defined", subgroup));
+ }
impliedSubgroups.put(closer, subgroup);
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-10 08:04:15 +0000