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JSON5 / HJSON parser and preprocessor which preserves ordering and comments
/*
* MIT License
*
* Copyright (c) 2018-2019 Falkreon (Isaac Ellingson)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package blue.endless.jankson;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import blue.endless.jankson.api.Marshaller;
import blue.endless.jankson.impl.serializer.CommentSerializer;
@SuppressWarnings("deprecation")
public class JsonArray extends JsonElement implements List, Iterable {
private List entries = new ArrayList<>();
protected Marshaller marshaller = blue.endless.jankson.impl.MarshallerImpl.getFallback();
public JsonArray() {}
public JsonArray(T[] ts, Marshaller marshaller) {
this.marshaller = marshaller;
for(T t : ts) {
this.add(marshaller.serialize(t));
}
}
public JsonArray(Collection ts, Marshaller marshaller) {
this.marshaller = marshaller;
for(Object t : ts) {
this.add(marshaller.serialize(t));
}
}
public JsonElement get(int i) {
return entries.get(i).value;
}
//Convenience getters
public String getString(int index, String defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asString();
}
return defaultValue;
}
public boolean getBoolean(int index, boolean defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asBoolean(defaultValue);
}
return defaultValue;
}
public byte getByte(int index, byte defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asByte(defaultValue);
}
return defaultValue;
}
public char getChar(int index, char defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asChar(defaultValue);
}
return defaultValue;
}
public short getShort(int index, short defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asShort(defaultValue);
}
return defaultValue;
}
public int getInt(int index, int defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asInt(defaultValue);
}
return defaultValue;
}
public long getLong(int index, long defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asLong(defaultValue);
}
return defaultValue;
}
public float getFloat(int index, float defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asFloat(defaultValue);
}
return defaultValue;
}
public double getDouble(int index, double defaultValue) {
JsonElement elem = get(index);
if (elem != null && elem instanceof JsonPrimitive) {
return ((JsonPrimitive)elem).asDouble(defaultValue);
}
return defaultValue;
}
public String getComment(int i) {
return entries.get(i).comment;
}
public void setComment(int i, String comment) {
entries.get(i).comment = comment;
}
@Override
public String toJson(boolean comments, boolean newlines, int depth) {
JsonGrammar grammar = JsonGrammar.builder().withComments(comments).printWhitespace(newlines).build();
return toJson(grammar, depth);
}
@Override
public String toJson(JsonGrammar grammar, int depth) {
StringBuilder builder = new StringBuilder();
int effectiveDepth = (grammar.bareRootObject) ? Math.max(depth-1,0) : depth;
int nextDepth = (grammar.bareRootObject) ? depth-1 : depth;
builder.append("[");
if (entries.size()>0) {
if (grammar.printWhitespace) {
builder.append('\n');
} else {
builder.append(' ');
}
}
for(int i=0; i0) {
if (grammar.printWhitespace && depth>0) {
for(int j=0; j0) {
if (!grammar.printWhitespace) builder.append(' ');
}
builder.append(']');
return builder.toString();
}
public String toString() {
return toJson(true, false, 0);
}
public boolean add(@Nonnull JsonElement e, String comment) {
//if (contains(e)) return false;
Entry entry = new Entry();
entry.value = e;
entry.comment = comment;
entries.add(entry);
return true;
}
@Override
public boolean equals(Object other) {
if (other==null || !(other instanceof JsonArray)) return false;
List a = this.entries;
List b = ((JsonArray)other).entries;
if (a.size()!=b.size()) return false;
for(int i=0; i E get(@Nonnull Class clazz, int index) {
JsonElement elem = get(index);
return marshaller.marshall(clazz, elem);
}
public void setMarshaller(Marshaller marshaller) {
this.marshaller = marshaller;
}
public Marshaller getMarshaller() {
return this.marshaller;
}
//IMPLEMENTATION for Cloneable
@Override
public JsonArray clone() {
JsonArray result = new JsonArray();
result.marshaller = marshaller;
for(Entry entry : entries) {
result.add(entry.value.clone(), entry.comment);
}
return result;
}
//implements List {
@Override
public int size() {
return entries.size();
}
@Override
public boolean add(@Nonnull JsonElement e) {
Entry entry = new Entry();
entry.value = e;
entries.add(entry);
return true;
}
@Override
public boolean addAll(Collection c) {
boolean result = false;
for(JsonElement elem : c) result |= add(elem);
return result;
}
@Override
public void clear() {
entries.clear();
}
@Override
public boolean contains(Object o) {
if (o==null || !(o instanceof JsonElement)) return false;
for(Entry entry : entries) {
if (entry.value.equals(o)) return true;
}
return false;
}
@Override
public boolean containsAll(Collection c) {
for(Object o : c) {
if (!contains(o)) return false;
}
return true;
}
@Override
public boolean isEmpty() {
return entries.isEmpty();
}
@Override
public boolean remove(Object o) {
for(int i=0; i c) {
throw new UnsupportedOperationException("removeAll not supported");
}
@Override
public boolean retainAll(Collection c) {
throw new UnsupportedOperationException("retainAll not supported");
}
@Override
public JsonElement[] toArray() {
JsonElement[] result = new JsonElement[entries.size()];
for(int i=0; i T[] toArray(T[] a) {
if (a.lengthentries.size()) {
a[entries.size()] = null; //Little-known and basically unused quirk of the toArray contract
}
return a;
}
@Override
public Iterator iterator() {
return new EntryIterator(entries);
}
@Override
public void add(int index, JsonElement element) {
entries.add(index, new Entry(element));
}
@Override
public boolean addAll(int index, Collection elements) {
if (elements.isEmpty()) return false;
int i = index;
for (JsonElement element : elements) {
entries.add(i, new Entry(element));
i++;
}
return true;
}
@Override
public int indexOf(Object obj) {
if (obj==null) return -1;
for(int i=0; i=0; i--) {
JsonElement val = entries.get(i).value;
if (val!=null && val.equals(obj)) return i;
}
return -1;
}
@Override
public ListIterator listIterator() {
return new EntryIterator(entries);
}
@Override
public ListIterator listIterator(int index) {
return new EntryIterator(entries, index);
}
@Override
public JsonElement remove(int index) {
return entries.remove(index).value;
}
@Override
public JsonElement set(int index, JsonElement element) {
Entry old = entries.set(index, new Entry(element));
return (old==null) ? null : old.value;
}
@Override
public List subList(int arg0, int arg1) {
throw new UnsupportedOperationException(); //TODO: Implement
}
//}
//MISC CLASSES
private static class EntryIterator implements ListIterator {
private final ListIterator delegate;
public EntryIterator(List list) {
delegate = list.listIterator();
}
public EntryIterator(List list, int index) {
delegate = list.listIterator(index);
}
@Override
public boolean hasNext() {
return delegate.hasNext();
}
@Override
public JsonElement next() {
return delegate.next().value;
}
@Override
public void remove() {
delegate.remove();
}
@Override
public void add(JsonElement elem) {
delegate.add(new Entry(elem));
}
@Override
public boolean hasPrevious() {
return delegate.hasPrevious();
}
@Override
public int nextIndex() {
return delegate.nextIndex();
}
@Override
public JsonElement previous() {
return delegate.previous().value;
}
@Override
public int previousIndex() {
return delegate.previousIndex();
}
@Override
public void set(JsonElement obj) {
delegate.set(new Entry(obj));
}
}
private static class Entry {
String comment;
JsonElement value;
public Entry() {}
public Entry(JsonElement value) { this.value = value; }
@Override
public boolean equals(Object other) {
if (!(other instanceof Entry)) return false;
Entry o = (Entry)other;
return Objects.equals(comment, o.comment) &&
Objects.equals(value, o.value);
}
@Override
public int hashCode() {
return Objects.hash(comment, value);
}
}
}
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