/**
* Returns the textual value of this node, transforms all escaped chars (e.g. <TT>\'i</TT> =>
* <TT>í</TT>)
*/
public String getTexTextValue() {
String text = value;
if ((text != null) && (text.trim().length() > 0)) {
Enumeration e = bundle.getKeys();
while (e.hasMoreElements()) {
String key = (String) e.nextElement();
if (text.indexOf(key) != -1) text = stringReplace(text, key, bundle.getString(key));
}
}
return text;
}
/**
* This is a light structure to store parsed ABC informations retrieved from a {@link
* org.parboiled.Node} structure.
*
* <p>A AbcNode can have child(s), one parent, can search for ancestries and descendants (childs,
* grand-childs...)
*
* <p>Informations it contains:
*
* <ul>
* <li>a label (which approximatively correspond to a {@link abc.parser.AbcGrammar} method
* <li>a value
* <li>a position in {@link abc.parser.CharStreamPosition} object
* <li>a parent
* <li>zero, one or more child(s)
* <li>zero, one or more parsing errors {@link abc.parser.AbcParseError}
* </ul>
*/
public class AbcNode extends PositionableInCharStream {
private static final long serialVersionUID = -8874823875159174349L;
private static final AbcTextReplacements bundle = AbcTextReplacements.getInstance();
private List childs;
private List errors;
private String label;
private AbcNode parent;
private String value;
// @SuppressWarnings("unchecked")
protected AbcNode(
Node node,
InputBuffer parseInputBuffer,
List<ParseError> parseErrors,
AbcInputBuffer abcInputBuffer) {
super(null);
if (node != null) {
this.label = node.getLabel();
this.value = parseInputBuffer.extract(node.getStartIndex(), node.getEndIndex());
Position pos = parseInputBuffer.getPosition(node.getStartIndex());
int sourceStartIndex = abcInputBuffer.getIndex(pos);
int sourceEndIndex = sourceStartIndex + value.length();
setCharStreamPosition(
new CharStreamPosition(pos.line, pos.column, sourceStartIndex, sourceEndIndex));
this.childs = new ArrayList(node.getChildren().size());
Iterator it = node.getChildren().iterator();
while (it.hasNext()) {
AbcNode abcn = new AbcNode((Node) it.next(), parseInputBuffer, parseErrors, abcInputBuffer);
abcn.parent = this;
childs.add(abcn);
}
if (!hasError() /*(childs.size() == 0)*/ && node.hasError()) {
this.errors = new ArrayList();
it = parseErrors.iterator();
while (it.hasNext()) {
ParseError pe = (ParseError) it.next();
String peValue = pe.getInputBuffer().extract(pe.getStartIndex(), pe.getEndIndex());
String peMsg = pe.getErrorMessage();
Position pePos = pe.getInputBuffer().getPosition(pe.getStartIndex());
int peIndex = abcInputBuffer.getIndex(pePos);
CharStreamPosition csp =
new CharStreamPosition(
pePos.line,
pePos.column,
peIndex,
peIndex + (peValue.length() > 0 ? peValue.length() : 1));
// if ((pe.getStartIndex() >= node.getStartIndex())
// && (pe.getStartIndex() </*=*/ node.getEndIndex())) {
if ((peIndex >= sourceStartIndex)
&& ((peIndex < sourceEndIndex) || (sourceStartIndex == sourceEndIndex))) {
errors.add(new AbcParseError(peMsg, peValue, csp));
}
}
}
} else {
this.label = "AbcFile-Error";
this.value = "";
int nbL = parseInputBuffer.getLineCount();
for (int i = 1; i <= nbL; i++) this.value += parseInputBuffer.extractLine(i) + "\n";
this.childs = new ArrayList(0);
setCharStreamPosition(new CharStreamPosition(1, 1, 0, 1));
if (parseErrors != null) {
this.errors = new ArrayList();
Iterator it = parseErrors.iterator();
while (it.hasNext()) {
ParseError pe = (ParseError) it.next();
errors.add(new AbcParseError(pe.getErrorMessage(), value, getCharStreamPosition()));
}
}
}
}
/**
* Returns the first child having the request label, <code>null</code> if doesn't exist.
*
* <p>Can get directly a grandchild if label contains <tt>/</tt> e.g.
* abcHeader.getChild("FieldNumber/DIGITS") returns the grandchild "DIGITS" if exist in
* FieldNumber child.
*
* @param label One of {@link AbcTokens} constants
*/
public AbcNode getChild(String label) {
if (label == null || label.equals("")) return null;
String[] generation = label.split("/");
String child = generation[0];
String grandchild = "";
if (generation.length > 1) {
for (int i = 1; i < generation.length; i++) {
grandchild += (grandchild.equals("") ? "" : "/");
grandchild += generation[i];
}
}
Iterator it = childs.iterator();
while (it.hasNext()) {
AbcNode abcn = (AbcNode) it.next();
if (child.equals(abcn.getLabel())) {
if (grandchild.equals("")) return abcn;
else return abcn.getChild(grandchild);
}
}
return null;
}
public List getChilds() {
return childs;
}
/**
* Returns a list of childs having the requested label
*
* <p>Can get directly grandchilds if label contains <tt>/</tt> e.g.
* titleFields.getChild("FieldTitle/TexText") returns all grandchilds "TexText" in all
* "FieldTitle" childs.
*/
public List getChilds(String label) {
if (label == null || label.equals("")) return new ArrayList(0);
String[] generation = label.split("/");
String child = generation[0];
String grandchild = "";
if (generation.length > 1) {
for (int i = 1; i < generation.length; i++) {
grandchild += (grandchild.equals("") ? "" : "/");
grandchild += generation[i];
}
}
List ret = new ArrayList(childs.size());
Iterator it = childs.iterator();
while (it.hasNext()) {
AbcNode abcn = (AbcNode) it.next();
if (abcn.getLabel().equals(child)) {
if (grandchild.equals("")) ret.add(abcn);
else ret.addAll(abcn.getChilds(grandchild));
}
}
return ret;
}
/**
* Look for child, grandchild, grand-grand-child having the requested label. When such one is
* found, doesn't continue search into his own childs.
*
* @param label
*/
public List getChildsInAllGenerations(String label) {
if (label == null || label.equals("")) return new ArrayList(0);
List ret = new ArrayList();
Iterator it = childs.iterator();
while (it.hasNext()) {
AbcNode abcn = (AbcNode) it.next();
if (abcn.getLabel().equals(label)) {
ret.add(abcn);
} else {
ret.addAll(abcn.getChildsInAllGenerations(label));
}
}
return ret;
}
/**
* Return the deepest childs of this node. This is useful to browse easily smallest segments of
* parsed text, and get closer to errors.
*
* <p>e.g. node A has childs B and C.<br>
* B has 3 childs D, E and F.<br>
* A.getDeepestChilds() returns D, E, F, C in this order.
*
* <p>If it goes too deep, you can check if node is child of B or C using {@link
* #isChildOf(String)} or {@link #isChildOf_or_is(String)}.
*
* @return a List of node
*/
public List getDeepestChilds() {
if (childs.size() == 0) {
return new ArrayList(0);
}
List ret = new ArrayList(childs.size() * 3);
Iterator it = getChilds().iterator();
while (it.hasNext()) {
AbcNode child = (AbcNode) it.next();
if (!child.hasChilds()) ret.add(child);
else {
ret.addAll(child.getDeepestChilds());
}
}
return ret;
}
/** Returns a List of errors in all childs, grand-childs... */
public List getErrors() {
if (hasChilds()) {
List ret = new ArrayList(0);
Iterator it = getChilds().iterator();
while (it.hasNext()) {
ret.addAll(((AbcNode) it.next()).getErrors());
}
return ret;
} else {
return errors != null ? errors : new ArrayList(0);
}
}
/** Returns the first child, <code>null</code> if no child */
public AbcNode getFirstChild() {
if (hasChilds()) return (AbcNode) childs.get(0);
else return null;
}
/** Returns the value parsed into integer if label is DIGIT or DIGITS, else -1. */
protected int getIntValue() {
if (label.equals(AbcTokens.DIGIT) || label.equals(AbcTokens.DIGITS)) {
try {
return Integer.parseInt(value);
} catch (NumberFormatException nfe) {
return -1;
}
} else return -1;
}
/** Returns the node label (token name) */
public String getLabel() {
return label;
}
/** Get direct parent, <code>null</code> if this node is the root. */
public AbcNode getParent() {
return parent;
}
/** Returns the value parsed into short if label is DIGIT or DIGITS, else -1. */
protected short getShortValue() {
if (label.equals(AbcTokens.DIGIT) || label.equals(AbcTokens.DIGITS)) {
try {
return Short.parseShort(value);
} catch (NumberFormatException nfe) {
return -1;
}
} else return -1;
}
/**
* Returns the textual value of this node, transforms all escaped chars (e.g. <TT>\'i</TT> =>
* <TT>í</TT>)
*/
public String getTexTextValue() {
String text = value;
if ((text != null) && (text.trim().length() > 0)) {
Enumeration e = bundle.getKeys();
while (e.hasMoreElements()) {
String key = (String) e.nextElement();
if (text.indexOf(key) != -1) text = stringReplace(text, key, bundle.getString(key));
}
}
return text;
}
/**
* Returns the textual value of this node
*
* <p>If this node is labelled "TexText", use {@link #getTexTextValue()} which transforms all
* escaped chars (e.g. <TT>\'i</TT> => <TT>í</TT>)
*/
public String getValue() {
return value;
}
/**
* Returns a list of childs having the requested label and an non-empty value, and no error.
*
* <p>Can get directly grandchilds if label contains <tt>/</tt> e.g.
* titleFields.getChild("FieldTitle/TexText") returns all grandchilds "TexText" in all
* "FieldTitle" childs.
*/
public List getValuedChilds(String label) {
List ret = getChilds(label);
Iterator it = ret.iterator();
while (it.hasNext()) {
AbcNode node = (AbcNode) it.next();
if (node.hasError() || (node.getValue() == null) || (node.getValue().length() == 0))
it.remove();
}
return ret;
}
/**
* Returns true if have the request label.
*
* <p>Can check directly a grandchild if label contains / e.g.
* abcHeader.hasChild("FieldNumber/DIGITS")
*
* @param label One of {@link AbcTokens} constants
* @return this is a shortcut of {@link #getChild(String)} != null
*/
public boolean hasChild(String label) {
return getChild(label) != null;
}
public boolean hasChilds() {
return childs.size() > 0;
}
public boolean hasError() {
if (hasChilds()) {
Iterator it = getChilds().iterator();
while (it.hasNext()) {
if (((AbcNode) it.next()).hasError()) return true;
}
return false;
} else {
return errors != null ? (errors.size() > 0) : false;
}
}
/** Check if this node has parent, i.e. is not the root of the structure */
public boolean hasParent() {
return parent != null;
}
/**
* Checks if the AbcNode is labelled with requested token
*
* <p>This is a shortcut to getLabel().equals("MyLabel")
*
* @param label One of {@link AbcTokens} constants
*/
public boolean is(String label) {
if (label != null) return label.equals(getLabel());
else return false;
}
/**
* If has parent, checks if the parent node is labelled with requested token. i.e. checks if this
* node is the child, grandchild... of a node labelled <TT>label</TT>
*
* @param label One of {@link AbcTokens} constants
*/
public boolean isChildOf(String label) {
if (label == null) return false;
else {
if (hasParent()) {
if (getParent().is(label)) return true;
else return getParent().isChildOf(label);
} else {
return false;
}
}
}
/**
* This is a shortcut for {@link #is(String)} || {@link #isChildOf(String)}.
*
* <p>Checks if this node or one of its ancestors is labelled <TT>label</TT>
*
* @param label One of {@link AbcTokens} constants
*/
public boolean isChildOf_or_is(String label) {
return is(label) || isChildOf(label);
}
/** String.replace(String arg0, String arg1) in java 1.5 */
private String stringReplace(String text, String target, String replacement) {
return Pattern.compile(target.toString(), Pattern.LITERAL)
.matcher(text)
.replaceAll(replacement);
}
// @Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append('[');
sb.append(getLabel());
sb.append(']');
if (hasError()) sb.append('E');
return StringUtils.escape(sb.toString());
}
}
