/**
* @param offset
* @param document
* @return
*/
private int getBeginWithoutWhiteSpaces(int offset, FormatterDocument document) {
int length = document.getLength();
while (offset < length) {
if (!Character.isWhitespace(document.charAt(offset))) {
break;
}
offset++;
}
return offset;
}
private int getBlockStartOffset(int offset, FormatterDocument document) {
int length = document.getLength();
while (offset < length) {
if (document.charAt(offset) == '{') {
break;
}
offset++;
}
return offset;
}
/**
* Scan for given character located at the same line. Return the given offset if non is found.
*
* @param offset
* @param document
* @return The offset of the character; The given offset if character not found.
*/
private int locateCharacterInSameLine(char character, int offset, FormatterDocument document) {
for (int i = offset; i < document.getLength(); i++) {
char c = document.charAt(i);
if (c == character) {
return i;
}
if (c == '\n' || c == '\r') {
break;
}
}
return offset;
}
/**
* Searchings backwards starting at 'offset' and continues until it finds a non-whitespace char
* (ignores punctuation)
*
* @param offset
* @param document
* @return
*/
private int getEndWithoutWhiteSpaces(int offset, FormatterDocument document) {
while (offset > 0) {
if (!Character.isWhitespace(document.charAt(offset))
&& document.charAt(offset) != '{'
&& !PUNCTUATION.contains(Character.toString(document.charAt(offset)))) {
break;
}
offset--;
}
return offset;
}
private void pushFormatterSelectorNodes(CSSSelectorNode[] selectors) {
for (int i = 0; i < selectors.length; i++) {
CSSSelectorNode selectorNode = selectors[i];
FormatterBlockWithBeginNode formatterSelectorNode =
new FormatterCSSSelectorNode(document, i == 0, false);
int selectorEndOffset =
getEndWithoutWhiteSpaces(selectorNode.getEndingOffset() + 1, document) + 1;
formatterSelectorNode.setBegin(
createTextNode(
document,
getBeginWithoutWhiteSpaces(selectorNode.getStartingOffset(), document),
selectorEndOffset));
push(formatterSelectorNode);
checkedPop(formatterSelectorNode, -1);
int nextNonWhiteSpaceOffset = getBeginWithoutWhiteSpaces(selectorEndOffset, document);
TypePunctuation punctuation =
getTypePunctuationForChar(document.charAt(nextNonWhiteSpaceOffset));
if (punctuation != null) {
findAndPushPunctuationNode(punctuation, nextNonWhiteSpaceOffset, false);
}
}
}
// This is a temporary fix for custom at-rules. When the parser adds support to return the ruleID,
// this will need to
// be changed
private void pushAtRuleNode(CSSNode atRuleNode) {
int length = document.getLength();
int selectorStartingOffset = atRuleNode.getStartingOffset();
int selectEndingOffset = atRuleNode.getEndingOffset();
// Locate first white space after the @rule
while (selectorStartingOffset < length) {
if (Character.isWhitespace(document.charAt(selectorStartingOffset))) {
break;
}
selectorStartingOffset++;
}
// Find the starting offset for the selector
selectorStartingOffset = getBeginWithoutWhiteSpaces(selectorStartingOffset, document);
// Find the end offset for the selector
while (selectEndingOffset >= selectorStartingOffset) {
if (!Character.isWhitespace(document.charAt(selectEndingOffset - 1))) {
break;
}
selectEndingOffset--;
}
// Push an At-Node to control the lines separators.
FormatterCSSAtRuleNode atNode = new FormatterCSSAtRuleNode(document);
atNode.setBegin(
createTextNode(document, atRuleNode.getStartingOffset(), selectorStartingOffset));
push(atNode);
checkedPop(atNode, -1);
// We use a selector node for now, we may want to create a new formatter node type for rule id
FormatterBlockWithBeginNode formatterSelectorNode =
new FormatterCSSSelectorNode(document, false, false);
formatterSelectorNode.setBegin(
createTextNode(
document,
getBeginWithoutWhiteSpaces(selectorStartingOffset, document),
getEndWithoutWhiteSpaces(selectEndingOffset, document) + 1));
push(formatterSelectorNode);
findAndPushPunctuationNode(TypePunctuation.SEMICOLON, selectEndingOffset, false);
checkedPop(formatterSelectorNode, -1);
}
/**
* Locate and push a punctuation node.
*
* @param offsetToSearch - The offset that will be used as the start for the search of the
* punctuation characters.
*/
private void findAndPushPunctuationNode(
TypePunctuation type, int offsetToSearch, boolean isEndofDeclarationNode) {
char punctuationType = type.toString().charAt(0);
int punctuationOffset = locateCharForward(document, punctuationType, offsetToSearch);
if (punctuationOffset != offsetToSearch
|| document.charAt(punctuationOffset) == punctuationType) {
FormatterCSSPunctuationNode punctuationNode =
new FormatterCSSPunctuationNode(document, type, isEndofDeclarationNode);
punctuationNode.setBegin(createTextNode(document, punctuationOffset, punctuationOffset + 1));
push(punctuationNode);
checkedPop(punctuationNode, -1);
}
}
private void pushDeclarationValueNode(
CSSExpressionNode expressionNode, boolean isLastDeclaration) {
int expressionEndOffset = expressionNode.getEndingOffset();
int semicolonLocation =
locateCharacterSkippingWhitespaces(document, expressionEndOffset + 1, ';', false);
int commaLocation =
locateCharacterSkippingWhitespaces(document, expressionEndOffset + 1, ',', false);
int forwardSlashLocation =
locateCharacterSkippingWhitespaces(document, expressionEndOffset + 1, '/', false);
int LFLocation =
locateCharacterSkippingWhitespaces(document, expressionEndOffset + 1, '\n', false);
int CRLocation =
locateCharacterSkippingWhitespaces(document, expressionEndOffset + 1, '\r', false);
boolean endsWithSemicolon = false;
boolean endsWithComma = false;
boolean endsWithSlash = false;
boolean isLastNodeInDeclaration = false;
if (document.charAt(semicolonLocation) == ';') {
endsWithSemicolon = true;
}
if (document.charAt(commaLocation) == ',') {
endsWithComma = true;
}
if (document.charAt(forwardSlashLocation) == '/') {
endsWithSlash = true;
}
if (document.charAt(forwardSlashLocation) == '/') {
endsWithSlash = true;
}
if ((document.charAt(LFLocation) == '\n' || document.charAt(CRLocation) == '\r')
&& isLastDeclaration) {
isLastNodeInDeclaration = true;
}
FormatterBlockWithBeginNode formatterDeclarationValueNode =
new FormatterCSSDeclarationValueNode(
document, isLastNodeInDeclaration, endsWithComma || endsWithSemicolon || endsWithSlash);
formatterDeclarationValueNode.setBegin(
createTextNode(
document, expressionNode.getStartingOffset(), expressionNode.getEndingOffset() + 1));
push(formatterDeclarationValueNode);
checkedPop(formatterDeclarationValueNode, -1);
if (endsWithComma) {
findAndPushPunctuationNode(TypePunctuation.COMMA, commaLocation, false);
}
}
/**
* build
*
* @param parseResult
* @param document
* @return
*/
public IFormatterContainerNode build(IParseNode parseResult, FormatterDocument document) {
this._document = document;
// create the formatter root node
IFormatterContainerNode rootNode = new JSONRootFormatNode(document);
// begin the transformation
start(rootNode);
JSONFormattingWalker walker = new JSONFormattingWalker();
JSONParseRootNode jsonRootNode = (JSONParseRootNode) parseResult;
jsonRootNode.accept(walker);
// end the transformation
checkedPop(rootNode, document.getLength());
return rootNode;
}
/**
* @param parseResult
* @param document
* @return
*/
public IFormatterContainerNode build(IParseNode parseResult, FormatterDocument document) {
this.document = document;
final IFormatterContainerNode rootNode = new FormatterCSSRootNode(document);
start(rootNode);
IParseNode[] children = parseResult.getChildren();
addNodes(children);
checkedPop(rootNode, document.getLength());
// Collect Off/On tags
if (parseResult instanceof IParseRootNode) {
setOffOnRegions(
resolveOffOnRegions(
(IParseRootNode) parseResult,
document,
CSSFormatterConstants.FORMATTER_OFF_ON_ENABLED,
CSSFormatterConstants.FORMATTER_OFF,
CSSFormatterConstants.FORMATTER_ON));
}
return rootNode;
}
private void pushFormatterDeclarationNodes(
int parentEndOffset,
CSSDeclarationNode[] declarations,
FormatterBlockWithBeginEndNode formatterBlockNode) {
for (int i = 0; i < declarations.length; ++i) {
CSSDeclarationNode declarationNode = declarations[i];
CSSExpressionNode expressionNode = declarationNode.getAssignedValue();
// If we run into a CSSErrorDeclarationNode, we just create a text node and move on to the
// next declaration
// node
if (declarationNode instanceof CSSErrorDeclarationNode) {
formatterBlockNode.addChild(
createTextNode(
document,
declarationNode.getStartingOffset(),
declarationNode.getEndingOffset() + 1));
// Create text nodes for comments between declaration
findAndPushCommentsBetweenDeclarations(
parentEndOffset, declarations, formatterBlockNode, i);
continue;
}
// push the property
FormatterBlockWithBeginNode formatterDeclarationPropertyNode =
new FormatterCSSDeclarationPropertyNode(document);
int propertyEndOffset =
getEndWithoutWhiteSpaces(
locateCharacterInSameLine(':', declarationNode.getStartingOffset(), document),
document);
formatterDeclarationPropertyNode.setBegin(
createTextNode(document, declarationNode.getStartingOffset(), propertyEndOffset + 1));
push(formatterDeclarationPropertyNode);
checkedPop(formatterDeclarationPropertyNode, -1);
// push the ':'
findAndPushPunctuationNode(TypePunctuation.PROPERTY_COLON, propertyEndOffset, false);
// push the value for the declaration
if (expressionNode != null) {
if (expressionNode instanceof CSSTermListNode) {
pushTermListNode((CSSTermListNode) expressionNode, i == declarations.length - 1);
} else {
pushDeclarationValueNode(expressionNode, i == declarations.length - 1);
}
// Push a text node for status nodes: currently it's only !important
IRange statusRange = declarationNode.getStatusRange();
if (declarationNode.getStatus() != null) {
formatterBlockNode.addChild(
createTextNode(
document, statusRange.getStartingOffset(), statusRange.getEndingOffset() + 1));
}
}
// Push a semicolon if the declaration ends with one
if (document.charAt(declarationNode.getEndingOffset()) == ';') {
findAndPushPunctuationNode(
TypePunctuation.SEMICOLON, declarationNode.getEndingOffset(), true);
}
// Create text nodes for comments between declaration
findAndPushCommentsBetweenDeclarations(parentEndOffset, declarations, formatterBlockNode, i);
}
}