/*******************************************************************************
* Copyright (c) 2004, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Angelo Zerr <angelo.zerr@gmail.com> - copied from org.eclipse.wst.css.core.internal.formatter.AbstractCSSSourceFormatter
* modified in order to process JSON Objects.
*******************************************************************************/
package org.eclipse.wst.json.core.internal.format;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.jface.text.DefaultLineTracker;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.TextUtilities;
import org.eclipse.wst.json.core.JSONCorePlugin;
import org.eclipse.wst.json.core.cleanup.IJSONCleanupStrategy;
import org.eclipse.wst.json.core.cleanup.JSONCleanupStrategyImpl;
import org.eclipse.wst.json.core.document.IJSONArray;
import org.eclipse.wst.json.core.document.IJSONDocument;
import org.eclipse.wst.json.core.document.IJSONModel;
import org.eclipse.wst.json.core.document.IJSONNode;
import org.eclipse.wst.json.core.document.IJSONObject;
import org.eclipse.wst.json.core.internal.util.RegionIterator;
import org.eclipse.wst.json.core.preferences.JSONCorePreferenceNames;
import org.eclipse.wst.json.core.regions.JSONRegionContexts;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
public abstract class AbstractJSONSourceFormatter implements
IJSONSourceFormatter {
protected final static short GENERATE = 0;
protected final static short FORMAT = 1;
protected final static short CLEANUP = 2;
protected static short strategy;
AbstractJSONSourceFormatter() {
super();
}
protected void appendDelimBefore(IJSONNode node, CompoundRegion toAppend,
StringBuilder source) {
if (node == null || source == null)
return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
String delim = getLineDelimiter(node);
boolean needIndent = !(node instanceof IJSONDocument);
if (toAppend == null) {
source.append(delim);
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
} else {
String type = toAppend.getType();
if (type == JSONRegionContexts.JSON_COMMENT) {
RegionIterator it = new RegionIterator(
toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
int[] result = null;
if (prev == null
|| (prev.getType() == JSONRegionContexts.WHITE_SPACE && (result = TextUtilities
.indexOf(DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion()
.getText(prev), 0))[0] >= 0)) {
// Collapse to one empty line if there's more than one.
if (result != null) {
int offset = result[0]
+ DefaultLineTracker.DELIMITERS[result[1]]
.length();
if (offset < it.getStructuredDocumentRegion()
.getText(prev).length()) {
if (TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS, it
.getStructuredDocumentRegion()
.getText(prev), offset)[0] >= 0) {
source.append(delim);
}
}
source.append(delim);
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
}
} else if (prev.getType() == JSONRegionContexts.JSON_COMMENT) {
String fullText = toAppend.getDocumentRegion().getFullText(
prev);
String trimmedText = toAppend.getDocumentRegion().getText(
prev);
String whiteSpaces = "";//$NON-NLS-1$
if (fullText != null && trimmedText != null)
whiteSpaces = fullText.substring(trimmedText.length());
int[] delimiterFound = TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS, whiteSpaces, 0);
if (delimiterFound[0] != -1) {
source.append(delim);
} else {
appendSpaceBefore(node, toAppend.getText(), source);
/*
* If two comments can't be adjusted in one
* line(combined length exceeds line width), a tab is
* also appended along with next line delimiter , we
* need to remove that.
*/
if (source.toString().endsWith(getIndentString())) {
source.delete((source.length() - getIndentString()
.length()), source.length());
}
}
} else {
appendSpaceBefore(node, toAppend.getText(), source);
}
} else if (type == JSONRegionContexts.JSON_COMMA) {
RegionIterator it = new RegionIterator(
toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
if (prev.getType() == JSONRegionContexts.WHITE_SPACE
&& TextUtilities.indexOf(DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion().getText(prev),
0)[0] >= 0) {
source.append(delim);
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
} else if (preferences
.getInt(JSONCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences
.getBoolean(JSONCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR) || node
.getOwnerDocument().getNodeType() != IJSONNode.PAIR_NODE)) {
int length = getLastLineLength(node, source);
int append = 1;
if (length + append > preferences
.getInt(JSONCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
}
}
} else
if (type == JSONRegionContexts.JSON_OBJECT_OPEN
|| type == JSONRegionContexts.JSON_OBJECT_CLOSE
|| type == JSONRegionContexts.JSON_ARRAY_OPEN
|| type == JSONRegionContexts.JSON_ARRAY_CLOSE) {
source.append(delim);
source.append(getIndent(node));
} else {
source.append(delim);
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
}
}
}
protected void appendSpaceBefore(IJSONNode node, CompoundRegion toAppend,
StringBuilder source) {
if (node == null || toAppend == null || source == null)
return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
String type = toAppend.getType();
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
boolean needIndent = !(node instanceof IJSONDocument);
/*if (type == JSONRegionContexts.JSON_COMMENT) {
// check whether previous region is 'S' and has CR-LF
String delim = getLineDelimiter(node);
RegionIterator it = new RegionIterator(
toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
// bug390904
if (prev.getType() == JSONRegionContexts.JSON_LBRACE
&& TextUtilities
.indexOf(DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion()
.getFullText(prev), 0)[0] > 0) {
source.append(delim);
source.append(getIndent(node));
source.append(getIndentString());
} else if (prev.getType() == JSONRegionContexts.WHITE_SPACE
&& TextUtilities.indexOf(DefaultLineTracker.DELIMITERS, it
.getStructuredDocumentRegion().getText(prev), 0)[0] >= 0) {
source.append(delim);
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
} else {
appendSpaceBefore(node, toAppend.getText(), source);
}
}*/
if ((type == JSONRegionContexts.JSON_OBJECT_OPEN || type == JSONRegionContexts.JSON_ARRAY_OPEN)
&& preferences
.getBoolean(JSONCorePreferenceNames.WRAPPING_NEWLINE_ON_OPEN_BRACE)) {
String delim = getLineDelimiter(node);
source.append(delim);
source.append(getIndent(node));
// } else if (type == JSONRegionContexts.JSON_CURLY_BRACE_CLOSE) {
// } else if (type == JSONRegionContexts.JSON_INCLUDES || type ==
// JSONRegionContexts.JSON_DASHMATCH) {
/*} else if (type == JSONRegionContexts.JSON_DECLARATION_SEPARATOR
&& node instanceof IJSONStyleDeclItem) {
int n = preferences
.getInt(JSONCorePreferenceNames.FORMAT_PROP_PRE_DELIM);
// no delimiter case
while (n-- > 0)
source.append(" ");//$NON-NLS-1$
} else if (type == JSONRegionContexts.JSON_DECLARATION_VALUE_OPERATOR
|| type == JSONRegionContexts.JSON_DECLARATION_VALUE_PARENTHESIS_CLOSE) {
if (preferences.getInt(JSONCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences
.getBoolean(JSONCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR) || node
.getOwnerDocument().getNodeType() != IJSONNode.STYLEDECLARATION_NODE)) {
int length = getLastLineLength(node, source);
int append = 1;
if (length + append > preferences
.getInt(JSONCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
if (needIndent)
source.append(getIndentString());
}
}
} else if (JSONRegionContexts.JSON_FOREIGN_ELEMENT == type
|| JSONRegionContexts.JSON_DECLARATION_DELIMITER == type) {
return;
*/
} else
appendSpaceBefore(node, toAppend.getText(), source);
}
protected void appendSpaceBefore(IJSONNode node, String toAppend,
StringBuilder source) {
if (node == null || source == null)
return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
if (toAppend != null
&& toAppend.startsWith("{") && preferences.getBoolean(JSONCorePreferenceNames.WRAPPING_NEWLINE_ON_OPEN_BRACE)) {//$NON-NLS-1$
source.append(getLineDelimiter(node));
source.append(getIndent(node));
return;
} else if (/* ! mgr.isOnePropertyPerLine() && */preferences
.getInt(JSONCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences
.getBoolean(JSONCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)
/*|| node
.getOwnerDocument().getNodeType() != IJSONNode.STYLEDECLARATION_NODE*/)) {
int n = getLastLineLength(node, source);
int append = (toAppend != null) ? TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS, toAppend, 0)[0] : 0;
if (toAppend != null)
append = (append < 0) ? toAppend.length() : append;
if (n + append + 1 > preferences
.getInt(JSONCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
source.append(getIndentString());
return;
}
}
// bug412395
// just verify if the source and the toAppend strings do not end with a
// whitespace to avoid the whitespace duplication.
if (!(source.length() > 0 && source.toString().charAt(
source.length() - 1) == ' ')
&& !(toAppend.length() > 0 && toAppend
.charAt(toAppend.length() - 1) == ' ')) {
source.append(" ");//$NON-NLS-1$
}
}
@Override
public final StringBuilder cleanup(IJSONNode node) {
short oldStrategy = strategy;
strategy = CLEANUP;
StringBuilder source = formatProc(node);
strategy = oldStrategy;
return source;
}
@Override
public final StringBuilder cleanup(IJSONNode node, IRegion region) {
short oldStrategy = strategy;
strategy = CLEANUP;
StringBuilder source = formatProc(node, region);
strategy = oldStrategy;
return source;
}
protected String decoratedIdentRegion(CompoundRegion region,
IJSONCleanupStrategy stgy) {
if (isFormat())
return region.getText();
String text = null;
if (!stgy.isFormatSource())
text = region.getFullText();
else
text = region.getText();
// if (region.getType() == JSONRegionContexts.WHITE_SPACETRING
// || region.getType() == JSONRegionContexts.JSON_URI)
// return decoratedRegion(region, 0, stgy);
if (isCleanup()) {
if (stgy.getIdentCase() == IJSONCleanupStrategy.ASIS
/*|| region.getType() == JSONRegionContexts.JSON_COMMENT*/)
return text;
else if (stgy.getIdentCase() == IJSONCleanupStrategy.UPPER)
return text.toUpperCase();
else
return text.toLowerCase();
}
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
// if (region.getType() == JSONRegionContexts.JSON_COMMENT)
// return text;
// else if (preferences.getInt(JSONCorePreferenceNames.CASE_IDENTIFIER) == JSONCorePreferenceNames.UPPER)
// return text.toUpperCase();
// else
return text.toLowerCase();
}
protected String decoratedPropNameRegion(CompoundRegion region,
IJSONCleanupStrategy stgy) {
if (isFormat())
return region.getText();
String text = null;
if (!stgy.isFormatSource())
text = region.getFullText();
else
text = region.getText();
// if (region.getType() == JSONRegionContexts.WHITE_SPACETRING
// || region.getType() == JSONRegionContexts.JSON_URI)
// return decoratedRegion(region, 1, stgy);
if (isCleanup()) {
/*if (stgy.getPropNameCase() == JSONCleanupStrategy.ASIS
|| region.getType() != JSONRegionContexts.JSON_DECLARATION_PROPERTY)
return text;
else*/
if (stgy.getPropNameCase() == IJSONCleanupStrategy.UPPER)
return text.toUpperCase();
else
return text.toLowerCase();
}
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
// if (region.getType() != JSONRegionContexts.JSON_DECLARATION_PROPERTY)
// return text;
//else
if (preferences.getInt(JSONCorePreferenceNames.CASE_PROPERTY_NAME) == JSONCorePreferenceNames.UPPER)
return text.toUpperCase();
else
return text.toLowerCase();
}
protected String decoratedPropValueRegion(CompoundRegion region,
IJSONCleanupStrategy stgy) {
if (isFormat())
return region.getText();
String text = null;
if (!stgy.isFormatSource())
text = region.getFullText();
else
text = region.getText();
String type = region.getType();
// if (type == JSONRegionContexts.WHITE_SPACETRING
// || type == JSONRegionContexts.JSON_URI
// || type == JSONRegionContexts.JSON_DECLARATION_VALUE_URI)
// return decoratedRegion(region, 2, stgy);
if (isCleanup()) {
if (stgy.getPropValueCase() != IJSONCleanupStrategy.ASIS) {
//if (type == JSONRegionContexts.JSON_COMMENT) {
//} else {
if (stgy.getPropValueCase() == IJSONCleanupStrategy.UPPER)
text = text.toUpperCase();
else
text = text.toLowerCase();
//}
}
}
return text;
}
protected String decoratedRegion(CompoundRegion region, int type,
IJSONCleanupStrategy stgy) {
if (isFormat())
return region.getText();
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
String text = null;
if (!stgy.isFormatSource())
text = region.getFullText();
else
text = region.getText();
return text;
}
@Override
public final StringBuilder format(IJSONNode node) {
short oldStrategy = strategy;
strategy = FORMAT;
StringBuilder source = formatProc(node);
strategy = oldStrategy;
return source;
}
@Override
public final StringBuilder format(IJSONNode node, IRegion region) {
short oldStrategy = strategy;
strategy = FORMAT;
StringBuilder source = formatProc(node, region);
strategy = oldStrategy;
return source;
}
protected void formatChildren(IJSONNode node, StringBuilder source) {
IJSONNode child = node.getFirstChild();
IJSONNode last = null;
while (child != null) {
// append child
IJSONSourceFormatter formatter = (IJSONSourceFormatter) ((INodeNotifier) child)
.getAdapterFor(IJSONSourceFormatter.class);
if (formatter == null) {
formatter = JSONSourceFormatterFactory.getInstance()
.getSourceFormatter(child);
}
StringBuilder childSource = ((AbstractJSONSourceFormatter) formatter)
.formatProc(child);
source.append(childSource);
last = child;
child = child.getNextSibling();
}
}
protected void formatChildren(IJSONNode node, IRegion region,
StringBuilder source) {
IJSONNode child = node.getFirstChild();
int start = region.getOffset();
int end = region.getOffset() + region.getLength();
while (child != null) {
int curEnd = child.getEndOffset();
StringBuilder childSource = null;
boolean toFinish = false;
if (start < curEnd) {
int curStart = child.getStartOffset();
if (curStart < end) {
// append child
IJSONSourceFormatter formatter = (IJSONSourceFormatter) ((INodeNotifier) child)
.getAdapterFor(IJSONSourceFormatter.class);
if (formatter == null) {
formatter = JSONSourceFormatterFactory.getInstance()
.getSourceFormatter(child);
}
if (includes(region, curStart, curEnd))
childSource = ((AbstractJSONSourceFormatter) formatter)
.formatProc(child);
else
childSource = ((AbstractJSONSourceFormatter) formatter)
.formatProc(
child,
overlappedRegion(region, curStart,
curEnd));
} else
toFinish = true;
}
if (childSource != null) {
source.append(childSource);
}
if (toFinish)
break;
child = child.getNextSibling();
}
}
/**
* Generate or format source after the last child and append to string
* buffer
*/
protected abstract void formatPost(IJSONNode node, StringBuilder source);
/**
* Generate or format source after the last child and append to string
* buffer
*/
protected abstract void formatPost(IJSONNode node, IRegion region,
StringBuilder source);
/**
* Generate or format source before the first child and append to string
* buffer
*/
protected abstract void formatPre(IJSONNode node, StringBuilder source);
/**
* Generate or format source before the first child and append to string
* buffer
*/
abstract protected void formatPre(IJSONNode node, IRegion region,
StringBuilder source);
/**
*
* @return java.lang.StringBuilder
* @param node
* org.eclipse.wst.css.core.model.interfaces.IJSONNode
*/
protected final StringBuilder formatProc(IJSONNode node) {
StringBuilder source = new StringBuilder();
formatPre(node, source);
formatChildren(node, source);
formatPost(node, source);
return source;
}
/**
*
* @return java.lang.StringBuilder
* @param node
* org.eclipse.wst.css.core.model.interfaces.IJSONNode
* @param region
* org.eclipse.jface.text.IRegion
*/
protected StringBuilder formatProc(IJSONNode node, IRegion region) {
StringBuilder source = new StringBuilder();
int curStart = node.getStartOffset();
int curEnd = node.getEndOffset();
if (node.hasChildNodes()) {
curEnd = node.getFirstChild().getStartOffset();
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd))
formatPre(node, source);
else
formatPre(node, overlappedRegion(region, curStart, curEnd), source);
}
curStart = curEnd;
curEnd = node.getLastChild().getEndOffset();
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd))
formatChildren(node, source);
else
formatChildren(node, overlappedRegion(region, curStart, curEnd), source);
}
curStart = curEnd;
curEnd = node.getEndOffset();
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd))
formatPost(node, source);
else
formatPost(node, overlappedRegion(region, curStart, curEnd), source);
}
} else if (node instanceof IJSONArray || node instanceof IJSONObject) {
curStart = node.getStartOffset();
curEnd = node.getEndOffset();
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd)) {
formatPre(node, source);
formatPost(node, source);
} else {
formatPre(node, overlappedRegion(region, curStart, curEnd), source);
formatPost(node, overlappedRegion(region, curStart, curEnd), source);
}
}
} else {
// curEnd = getChildInsertPos(node);
curEnd = node.getEndOffset() > 0 ? node.getEndOffset() : -1;
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd))
formatPre(node, source);
else
formatPre(node, overlappedRegion(region, curStart, curEnd), source);
}
curStart = curEnd;
curEnd = node.getEndOffset();
if (overlaps(region, curStart, curEnd)) {
if (includes(region, curStart, curEnd))
formatPost(node, source);
else
formatPost(node, overlappedRegion(region, curStart, curEnd), source);
}
}
return source;
}
/**
* Insert the method's description here.
*
* @return org.eclipse.wst.css.core.internal.cleanup.JSONCleanupStrategy
* @param node
* org.eclipse.wst.css.core.model.interfaces.IJSONNode
*/
protected IJSONCleanupStrategy getCleanupStrategy(IJSONNode node) {
IJSONCleanupStrategy currentStrategy = JSONCleanupStrategyImpl
.getInstance();
IJSONDocument doc = node.getOwnerDocument();
if (doc == null)
return currentStrategy;
IJSONModel model = doc.getModel();
if (model == null)
return currentStrategy;
return currentStrategy;
}
protected String getIndent(IJSONNode node) {
if (node == null)
return "";//$NON-NLS-1$
IJSONNode parent = node.getParentNode();
if (parent == null || parent instanceof IJSONDocument)
return "";//$NON-NLS-1$
String parentIndent = getIndent(parent);
return parentIndent + getIndentString();
}
protected int getLastLineLength(IJSONNode node, StringBuilder source) {
if (node == null || source == null)
return 0;
String delim = getLineDelimiter(node);
String str = new String(source);
int n = str.lastIndexOf(delim);
if (n < 0)
return str.length();
return str.length() - n - delim.length();
}
String getLineDelimiter(IJSONNode node) {
IJSONModel model = node != null ?
node.getOwnerDocument().getModel() :
null;
IStructuredDocument structuredDocument = model != null ?
model.getStructuredDocument() :
null;
return structuredDocument != null ?
structuredDocument.getLineDelimiter() :
"\n"; //$NON-NLS-1$
}
protected CompoundRegion[] getOutsideRegions(IStructuredDocument model,
IRegion reg) {
CompoundRegion[] ret = new CompoundRegion[2];
RegionIterator it = new RegionIterator(model, reg.getOffset());
it.prev();
if (it.hasPrev()) {
ITextRegion textRegion = it.prev();
IStructuredDocumentRegion documentRegion = it
.getStructuredDocumentRegion();
ret[0] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[0] = null;
}
it.reset(model, reg.getOffset() + reg.getLength());
if (it.hasNext()) {
ITextRegion textRegion = it.next();
IStructuredDocumentRegion documentRegion = it
.getStructuredDocumentRegion();
ret[1] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[1] = null;
}
return ret;
}
protected IJSONSourceFormatter getParentFormatter(IJSONNode node) {
IJSONNode parent = node.getParentNode();
if (parent != null) {
IJSONSourceFormatter formatter = (IJSONSourceFormatter) ((INodeNotifier) parent)
.getAdapterFor(IJSONSourceFormatter.class);
if (formatter == null) {
formatter = JSONSourceFormatterFactory.getInstance()
.getSourceFormatter(parent);
}
return formatter;
}
return null;
}
protected CompoundRegion[] getRegions(IStructuredDocument model,
IRegion reg, IRegion exceptFor, String pickupType) {
int start = reg.getOffset();
int end = reg.getOffset() + reg.getLength();
int startE = (exceptFor != null) ? exceptFor.getOffset() : -1;
int endE = (exceptFor != null) ? exceptFor.getOffset()
+ exceptFor.getLength() : 0;
ArrayList list = new ArrayList();
IStructuredDocumentRegion flatNode = model
.getRegionAtCharacterOffset(start);
boolean pickuped = false;
while (flatNode != null && flatNode.getStartOffset() < end) {
ITextRegionList regionList = flatNode.getRegions();
Iterator it = regionList.iterator();
while (it.hasNext()) {
ITextRegion region = (ITextRegion) it.next();
if (flatNode.getStartOffset(region) < start)
continue;
if (end <= flatNode.getStartOffset(region))
break;
if (startE >= 0 && startE <= flatNode.getStartOffset(region)
&& flatNode.getEndOffset(region) <= endE)
continue;
// if (region.getType() == JSONRegionContexts.JSON_COMMENT
// || region.getType() == JSONRegionContexts.JSON_CDC
// || region.getType() == JSONRegionContexts.JSON_CDO)
// list.add(new CompoundRegion(flatNode, region));
// else
if (!pickuped && region.getType() == pickupType) {
list.add(new CompoundRegion(flatNode, region));
pickuped = true;
}
}
flatNode = flatNode.getNext();
}
if (list.size() > 0) {
CompoundRegion[] regions = new CompoundRegion[list.size()];
list.toArray(regions);
return regions;
}
return new CompoundRegion[0];
}
protected CompoundRegion[] getRegionsWithoutWhiteSpaces(
IStructuredDocument model, IRegion reg, IJSONCleanupStrategy stgy) {
int start = reg.getOffset();
int end = reg.getOffset() + reg.getLength() - 1;
ArrayList list = new ArrayList();
IStructuredDocumentRegion flatNode = model
.getRegionAtCharacterOffset(start);
while (flatNode != null && flatNode.getStartOffset() <= end) {
ITextRegionList regionList = flatNode.getRegions();
Iterator it = regionList.iterator();
while (it.hasNext()) {
ITextRegion region = (ITextRegion) it.next();
if (flatNode.getStartOffset(region) < start)
continue;
if (end < flatNode.getStartOffset(region))
break;
if (region.getType() != JSONRegionContexts.WHITE_SPACE
|| (isCleanup() && !stgy.isFormatSource())) // for
// not
// formatting
// case
// on
// cleanup
// action
list.add(new CompoundRegion(flatNode, region));
}
flatNode = flatNode.getNext();
}
if (list.size() > 0) {
CompoundRegion[] regions = new CompoundRegion[list.size()];
list.toArray(regions);
return regions;
}
return new CompoundRegion[0];
}
public static boolean includes(IRegion region, int start, int end) {
if (region == null)
return false;
return (region.getOffset() <= start)
&& (end <= region.getOffset() + region.getLength());
}
/**
*
* @return boolean
*/
protected static boolean isCleanup() {
return strategy == CLEANUP;
}
/**
*
* @return boolean
*/
protected static boolean isFormat() {
return strategy == FORMAT;
}
protected boolean isIncludesPreEnd(IJSONNode node, IRegion region) {
return (node.getFirstChild() != null && ((IndexedRegion) node
.getFirstChild()).getStartOffset() == (region.getOffset() + region
.getLength()));
}
static protected boolean needS(CompoundRegion region) {
return (region != null && region.getType() != JSONRegionContexts.WHITE_SPACE);
}
public static IRegion overlappedRegion(IRegion region, int start, int end) {
if (overlaps(region, start, end)) {
int offset = (region.getOffset() <= start) ? start : region
.getOffset();
int length = ((end <= region.getOffset() + region.getLength()) ? end
: region.getOffset() + region.getLength())
- offset;
return new FormatRegion(offset, length);
}
return null;
}
public static boolean overlaps(IRegion region, int start, int end) {
if (region == null)
return false;
return (start < region.getOffset() + region.getLength())
&& (region.getOffset() < end);
}
protected String getIndentString() {
StringBuilder indent = new StringBuilder();
Preferences preferences = JSONCorePlugin.getDefault()
.getPluginPreferences();
if (preferences != null) {
char indentChar = ' ';
String indentCharPref = preferences
.getString(JSONCorePreferenceNames.INDENTATION_CHAR);
if (JSONCorePreferenceNames.TAB.equals(indentCharPref)) {
indentChar = '\t';
}
int indentationWidth = preferences
.getInt(JSONCorePreferenceNames.INDENTATION_SIZE);
for (int i = 0; i < indentationWidth; i++) {
indent.append(indentChar);
}
}
return indent.toString();
}
protected void formatValue(IJSONNode node, StringBuilder source, IJSONNode value) {
IJSONCleanupStrategy stgy = getCleanupStrategy(node);
IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument();
int start = node.getStartOffset();
int end = node.getEndOffset();
CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument,
new FormatRegion(start, end - start), stgy);
if (regions.length > 2) {
for (int i = 2; i < regions.length; i++) {
source.append(decoratedRegion(regions[i], 0, stgy));
}
}
}
protected void formatObject(IJSONNode node, StringBuilder source, IJSONNode jsonObject) {
IJSONCleanupStrategy stgy = getCleanupStrategy(node);
IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument();
IStructuredDocumentRegion[] structuredRegions = structuredDocument
.getStructuredDocumentRegions(node.getStartOffset(), node.getEndOffset());
if (structuredRegions.length >= 2) {
int start = structuredRegions[1].getStartOffset();
int end = node.getEndOffset();
IJSONSourceFormatter formatter = (IJSONSourceFormatter) ((INodeNotifier) jsonObject)
.getAdapterFor(IJSONSourceFormatter.class);
if (formatter == null) {
formatter = JSONSourceFormatterFactory.getInstance().getSourceFormatter(jsonObject);
}
StringBuilder objectSource = formatter.format(jsonObject, new FormatRegion(start, end - start));
if (objectSource != null) {
source.append(objectSource);
}
}
}
}