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/*
* Copyright (c) 2019-2020 Ronald Brill.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gargoylesoftware.css.parser;
import java.io.Serializable;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
/**
* Implementation of {@link LexicalUnit}.
*
* @author Ronald Brill
*/
public class LexicalUnitImpl extends AbstractLocatable implements LexicalUnit, Serializable {
private LexicalUnitType lexicalUnitType_;
private LexicalUnit nextLexicalUnit_;
private LexicalUnit previousLexicalUnit_;
private double doubleValue_;
private String dimension_;
private String functionName_;
private LexicalUnit parameters_;
private String stringValue_;
/** cache */
private transient String toString_;
/**
* @param next next LexicalUnit
*/
public void setNextLexicalUnit(final LexicalUnit next) {
nextLexicalUnit_ = next;
}
/**
* @param prev previous LexicalUnit
*/
public void setPreviousLexicalUnit(final LexicalUnit prev) {
previousLexicalUnit_ = prev;
}
/**
* @param doubleVal the double value
*/
public void setDoubleValue(final double doubleVal) {
doubleValue_ = doubleVal;
toString_ = null;
}
/**
* @return the dimension
*/
public String getDimension() {
return dimension_;
}
/**
* @param dimension the new dimension
*/
public void setDimension(final String dimension) {
dimension_ = dimension;
toString_ = null;
}
/**
* @param function the function name
*/
public void setFunctionName(final String function) {
functionName_ = function;
toString_ = null;
}
/**
* @param params the parameter LexicalUnit
*/
public void setParameters(final LexicalUnit params) {
parameters_ = params;
toString_ = null;
}
/**
* @param stringVal the string value
*/
public void setStringValue(final String stringVal) {
stringValue_ = stringVal;
toString_ = null;
}
/**
* Ctor.
*
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
*/
public LexicalUnitImpl(final LexicalUnit previous, final LexicalUnitType type) {
lexicalUnitType_ = type;
previousLexicalUnit_ = previous;
if (previousLexicalUnit_ != null) {
((LexicalUnitImpl) previousLexicalUnit_).nextLexicalUnit_ = this;
}
}
/**
* Integer.
*
* @param previous the previous LexicalUnit
* @param value the int value
*/
protected LexicalUnitImpl(final LexicalUnit previous, final int value) {
this(previous, LexicalUnitType.INTEGER);
doubleValue_ = value;
}
/**
* Dimension.
*
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
* @param value the double value
*/
protected LexicalUnitImpl(final LexicalUnit previous, final LexicalUnitType type, final double value) {
this(previous, type);
doubleValue_ = value;
}
/**
* Unknown dimension.
*
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
* @param dimension the dimension
* @param value the double value
*/
protected LexicalUnitImpl(
final LexicalUnit previous,
final LexicalUnitType type,
final String dimension,
final double value) {
this(previous, type);
dimension_ = dimension;
doubleValue_ = value;
}
/**
* String.
*
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
* @param value the string value
*/
public LexicalUnitImpl(final LexicalUnit previous, final LexicalUnitType type, final String value) {
this(previous, type);
stringValue_ = value;
}
/**
* Function.
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
* @param name the name
* @param params the parameter LexicalUnit
*/
protected LexicalUnitImpl(
final LexicalUnit previous,
final LexicalUnitType type,
final String name,
final LexicalUnit params) {
this(previous, type);
functionName_ = name;
parameters_ = params;
}
/**
* Function.
* @param previous the previous LexicalUnit
* @param type the LexicalUnitType
* @param name the name
* @param stringValue the string value
*/
protected LexicalUnitImpl(final LexicalUnit previous, final LexicalUnitType type, final String name,
final String stringValue) {
this(previous, type);
functionName_ = name;
stringValue_ = stringValue;
}
@Override
public LexicalUnitType getLexicalUnitType() {
return lexicalUnitType_;
}
@Override
public LexicalUnit getNextLexicalUnit() {
return nextLexicalUnit_;
}
@Override
public LexicalUnit getPreviousLexicalUnit() {
return previousLexicalUnit_;
}
@Override
public int getIntegerValue() {
return (int) doubleValue_;
}
@Override
public double getDoubleValue() {
return doubleValue_;
}
@Override
public String getDimensionUnitText() {
switch (lexicalUnitType_) {
case EM:
return "em";
case REM:
return "rem";
case EX:
return "ex";
case CH:
return "ch";
case VW:
return "vw";
case VH:
return "vh";
case VMIN:
return "vmin";
case VMAX:
return "vmax";
case PIXEL:
return "px";
case INCH:
return "in";
case CENTIMETER:
return "cm";
case MILLIMETER:
return "mm";
case POINT:
return "pt";
case PICA:
return "pc";
case PERCENTAGE:
return "%";
case DEGREE:
return "deg";
case GRADIAN:
return "grad";
case RADIAN:
return "rad";
case MILLISECOND:
return "ms";
case SECOND:
return "s";
case HERTZ:
return "Hz";
case KILOHERTZ:
return "kHz";
case DIMENSION:
return dimension_;
default:
return "";
}
}
@Override
public String getFunctionName() {
return functionName_;
}
@Override
public LexicalUnit getParameters() {
return parameters_;
}
@Override
public String getStringValue() {
return stringValue_;
}
@Override
public LexicalUnit getSubValues() {
return parameters_;
}
/**
* @return the current css text
*/
public String getCssText() {
if (null != toString_) {
return toString_;
}
final StringBuilder sb = new StringBuilder();
switch (lexicalUnitType_) {
case OPERATOR_COMMA:
sb.append(",");
break;
case OPERATOR_PLUS:
sb.append("+");
break;
case OPERATOR_MINUS:
sb.append("-");
break;
case OPERATOR_MULTIPLY:
sb.append("*");
break;
case OPERATOR_SLASH:
sb.append("/");
break;
case OPERATOR_MOD:
sb.append("%");
break;
case OPERATOR_EXP:
sb.append("^");
break;
case OPERATOR_LT:
sb.append("<");
break;
case OPERATOR_GT:
sb.append(">");
break;
case OPERATOR_LE:
sb.append("<=");
break;
case OPERATOR_GE:
sb.append(">=");
break;
case OPERATOR_TILDE:
sb.append("~");
break;
case INHERIT:
sb.append("inherit");
break;
case INTEGER:
sb.append(String.valueOf(getIntegerValue()));
break;
case REAL:
sb.append(getTrimedDoubleValue());
break;
case EM:
case REM:
case EX:
case CH:
case VW:
case VH:
case VMIN:
case VMAX:
case PIXEL:
case INCH:
case CENTIMETER:
case MILLIMETER:
case POINT:
case PICA:
case PERCENTAGE:
case DEGREE:
case GRADIAN:
case RADIAN:
case MILLISECOND:
case SECOND:
case HERTZ:
case KILOHERTZ:
case DIMENSION:
sb.append(getTrimedDoubleValue());
final String dimUnitText = getDimensionUnitText();
if (null != dimUnitText) {
sb.append(dimUnitText);
}
break;
case URI:
sb.append("url(\"").append(getStringValue()).append("\")");
break;
case COUNTER_FUNCTION:
sb.append("counter(");
appendParams(sb);
sb.append(")");
break;
case COUNTERS_FUNCTION:
sb.append("counters(");
appendParams(sb);
sb.append(")");
break;
case RGBCOLOR:
sb.append("rgb(");
appendParams(sb);
sb.append(")");
break;
case IDENT:
sb.append(getStringValue());
break;
case STRING_VALUE:
sb.append("\"");
String value = getStringValue();
// replace line breaks
value = value.replace("\n", "\\A ").replace("\r", "\\D ");
sb.append(value);
sb.append("\"");
break;
case ATTR:
sb.append("attr(")
.append(getStringValue())
.append(")");
break;
case RECT_FUNCTION:
sb.append("rect(");
appendParams(sb);
sb.append(")");
break;
case UNICODERANGE:
final String range = getStringValue();
if (null != range) {
sb.append(range);
}
break;
case SUB_EXPRESSION:
final String subExpression = getStringValue();
if (null != subExpression) {
sb.append(subExpression);
}
break;
case FUNCTION:
final String functName = getFunctionName();
if (null != functName) {
sb.append(functName);
}
sb.append('(');
appendParams(sb);
sb.append(")");
break;
default:
break;
}
toString_ = sb.toString();
return toString_;
}
@Override
public String toString() {
return getCssText();
}
/**
* @return a string helping to debug
*/
public String toDebugString() {
final StringBuilder sb = new StringBuilder();
switch (lexicalUnitType_) {
case OPERATOR_COMMA:
sb.append("OPERATOR_COMMA");
break;
case OPERATOR_PLUS:
sb.append("OPERATOR_PLUS");
break;
case OPERATOR_MINUS:
sb.append("OPERATOR_MINUS");
break;
case OPERATOR_MULTIPLY:
sb.append("OPERATOR_MULTIPLY");
break;
case OPERATOR_SLASH:
sb.append("OPERATOR_SLASH");
break;
case OPERATOR_MOD:
sb.append("OPERATOR_MOD");
break;
case OPERATOR_EXP:
sb.append("OPERATOR_EXP");
break;
case OPERATOR_LT:
sb.append("OPERATOR_LT");
break;
case OPERATOR_GT:
sb.append("OPERATOR_GT");
break;
case OPERATOR_LE:
sb.append("OPERATOR_LE");
break;
case OPERATOR_GE:
sb.append("OPERATOR_GE");
break;
case OPERATOR_TILDE:
sb.append("OPERATOR_TILDE");
break;
case INHERIT:
sb.append("INHERIT");
break;
case INTEGER:
sb.append("INTEGER(")
.append(String.valueOf(getIntegerValue()))
.append(")");
break;
case REAL:
sb.append("REAL(")
.append(getTrimedDoubleValue())
.append(")");
break;
case EM:
sb.append("EM(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case REM:
sb.append("REM(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case EX:
sb.append("EX(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case CH:
sb.append("CH(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case VW:
sb.append("VW(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case VH:
sb.append("VH(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case VMIN:
sb.append("VMIN(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case VMAX:
sb.append("VMAX(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case PIXEL:
sb.append("PIXEL(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case INCH:
sb.append("INCH(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case CENTIMETER:
sb.append("CENTIMETER(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case MILLIMETER:
sb.append("MILLIMETER(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case POINT:
sb.append("POINT(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case PICA:
sb.append("PICA(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case PERCENTAGE:
sb.append("PERCENTAGE(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case DEGREE:
sb.append("DEGREE(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case GRADIAN:
sb.append("GRADIAN(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case RADIAN:
sb.append("RADIAN(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case MILLISECOND:
sb.append("MILLISECOND(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case SECOND:
sb.append("SECOND(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case HERTZ:
sb.append("HERTZ(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case KILOHERTZ:
sb.append("KILOHERTZ(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case DIMENSION:
sb.append("DIMENSION(")
.append(getTrimedDoubleValue())
.append(getDimensionUnitText())
.append(")");
break;
case URI:
sb.append("URI(url(")
.append(getStringValue())
.append("))");
break;
case COUNTER_FUNCTION:
sb.append("COUNTER_FUNCTION(counter(");
appendParams(sb);
sb.append("))");
break;
case COUNTERS_FUNCTION:
sb.append("COUNTERS_FUNCTION(counters(");
appendParams(sb);
sb.append("))");
break;
case RGBCOLOR:
sb.append("RGBCOLOR(rgb(");
appendParams(sb);
sb.append("))");
break;
case IDENT:
sb.append("IDENT(")
.append(getStringValue())
.append(")");
break;
case STRING_VALUE:
sb.append("STRING_VALUE(\"")
.append(getStringValue())
.append("\")");
break;
case ATTR:
sb.append("ATTR(attr(")
.append(getStringValue())
.append("))");
break;
case RECT_FUNCTION:
sb.append("RECT_FUNCTION(rect(");
appendParams(sb);
sb.append("))");
break;
case UNICODERANGE:
sb.append("UNICODERANGE(")
.append(getStringValue())
.append(")");
break;
case SUB_EXPRESSION:
sb.append("SUB_EXPRESSION(")
.append(getStringValue())
.append(")");
break;
case FUNCTION:
sb.append("FUNCTION(")
.append(getFunctionName())
.append("(");
LexicalUnit l = parameters_;
while (l != null) {
sb.append(l.toString());
l = l.getNextLexicalUnit();
}
sb.append("))");
break;
default:
break;
}
return sb.toString();
}
private void appendParams(final StringBuilder sb) {
LexicalUnit l = parameters_;
if (l != null) {
sb.append(l.toString());
l = l.getNextLexicalUnit();
while (l != null) {
if (l.getLexicalUnitType() != LexicalUnitType.OPERATOR_COMMA) {
sb.append(" ");
}
sb.append(l.toString());
l = l.getNextLexicalUnit();
}
}
}
private String getTrimedDoubleValue() {
final double f = getDoubleValue();
final int i = (int) f;
if (f - i == 0) {
return Integer.toString((int) f);
}
final DecimalFormat decimalFormat = new DecimalFormat("0", DecimalFormatSymbols.getInstance(Locale.ENGLISH));
decimalFormat.setGroupingUsed(false);
decimalFormat.setMaximumFractionDigits(4);
return decimalFormat.format(f);
}
/**
* @param prev the previous LexicalUnit
* @param i the integer value
* @return lexical unit with type integer
*/
public static LexicalUnit createNumber(final LexicalUnit prev, final int i) {
return new LexicalUnitImpl(prev, LexicalUnitType.INTEGER, i);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type real
*/
public static LexicalUnit createNumber(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.REAL, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type percent
*/
public static LexicalUnit createPercentage(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.PERCENTAGE, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type pixel
*/
public static LexicalUnit createPixel(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.PIXEL, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type centimeter
*/
public static LexicalUnit createCentimeter(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.CENTIMETER, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type millimeter
*/
public static LexicalUnit createMillimeter(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.MILLIMETER, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type inch
*/
public static LexicalUnit createInch(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.INCH, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type point
*/
public static LexicalUnit createPoint(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.POINT, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type pica
*/
public static LexicalUnit createPica(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.PICA, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type em
*/
public static LexicalUnit createEm(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.EM, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type rem
*/
public static LexicalUnit createRem(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.REM, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type ex
*/
public static LexicalUnit createEx(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.EX, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type ch
*/
public static LexicalUnit createCh(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.CH, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type vw
*/
public static LexicalUnit createVw(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.VW, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type vh
*/
public static LexicalUnit createVh(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.VH, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type vmin
*/
public static LexicalUnit createVMin(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.VMIN, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type vmax
*/
public static LexicalUnit createVMax(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.VMAX, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type degree
*/
public static LexicalUnit createDegree(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.DEGREE, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type radian
*/
public static LexicalUnit createRadian(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.RADIAN, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type gradian
*/
public static LexicalUnit createGradian(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.GRADIAN, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type millisecond
*/
public static LexicalUnit createMillisecond(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.MILLISECOND, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type second
*/
public static LexicalUnit createSecond(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.SECOND, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type hertz
*/
public static LexicalUnit createHertz(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.HERTZ, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type dimension
* @param dim the dimension
*/
public static LexicalUnit createDimension(final LexicalUnit prev, final double d, final String dim) {
return new LexicalUnitImpl(prev, LexicalUnitType.DIMENSION, dim, d);
}
/**
* @param prev the previous LexicalUnit
* @param d the double value
* @return lexical unit with type kilohertz
*/
public static LexicalUnit createKiloHertz(final LexicalUnit prev, final double d) {
return new LexicalUnitImpl(prev, LexicalUnitType.KILOHERTZ, d);
}
/**
* @param prev the previous LexicalUnit
* @param params the params
* @return lexical unit with type counter
*/
public static LexicalUnit createCounter(final LexicalUnit prev, final LexicalUnit params) {
return new LexicalUnitImpl(prev, LexicalUnitType.COUNTER_FUNCTION, "counter", params);
}
/**
* @param prev the previous LexicalUnit
* @param params the params
* @return lexical unit with type counters
*/
public static LexicalUnit createCounters(final LexicalUnit prev, final LexicalUnit params) {
return new LexicalUnitImpl(prev, LexicalUnitType.COUNTERS_FUNCTION, "counters", params);
}
/**
* @param prev the previous LexicalUnit
* @param value the value
* @return lexical unit with type attr
*/
public static LexicalUnit createAttr(final LexicalUnit prev, final String value) {
// according to LexicalUnit.ATTR, LexicalUnit.getStringValue(), not
// LexicalUnit.getParameters() is applicable
return new LexicalUnitImpl(prev, LexicalUnitType.ATTR, "name", value);
}
/**
* @param prev the previous LexicalUnit
* @param params the params
* @return lexical unit with type rect
*/
public static LexicalUnit createRect(final LexicalUnit prev, final LexicalUnit params) {
return new LexicalUnitImpl(prev, LexicalUnitType.RECT_FUNCTION, "rect", params);
}
/**
* @param prev the previous LexicalUnit
* @param params the params
* @return lexical unit with type rgb color
*/
public static LexicalUnit createRgbColor(final LexicalUnit prev, final LexicalUnit params) {
return new LexicalUnitImpl(prev, LexicalUnitType.RGBCOLOR, "rgb", params);
}
/**
* @param prev the previous LexicalUnit
* @param name the name
* @param params the params
* @return lexical unit with type function
*/
public static LexicalUnit createFunction(final LexicalUnit prev, final String name, final LexicalUnit params) {
return new LexicalUnitImpl(prev, LexicalUnitType.FUNCTION, name, params);
}
/**
* @param prev the previous LexicalUnit
* @param value the value
* @return lexical unit with type string
*/
public static LexicalUnit createString(final LexicalUnit prev, final String value) {
return new LexicalUnitImpl(prev, LexicalUnitType.STRING_VALUE, value);
}
/**
* @param prev the previous LexicalUnit
* @param value the value
* @return lexical unit with type ident
*/
public static LexicalUnit createIdent(final LexicalUnit prev, final String value) {
return new LexicalUnitImpl(prev, LexicalUnitType.IDENT, value);
}
/**
* @param prev the previous LexicalUnit
* @param value the value
* @return lexical unit with type uri
*/
public static LexicalUnit createURI(final LexicalUnit prev, final String value) {
return new LexicalUnitImpl(prev, LexicalUnitType.URI, value);
}
/**
* @param prev the previous LexicalUnit
* @return lexical unit with type comma
*/
public static LexicalUnit createComma(final LexicalUnit prev) {
return new LexicalUnitImpl(prev, LexicalUnitType.OPERATOR_COMMA);
}
/**
* @param prev the previous LexicalUnit
* @return lexical unit with type plus
*/
public static LexicalUnit createPlus(final LexicalUnit prev) {
return new LexicalUnitImpl(prev, LexicalUnitType.OPERATOR_PLUS);
}
/**
* @param prev the previous LexicalUnit
* @return lexical unit with type minus
*/
public static LexicalUnit createMinus(final LexicalUnit prev) {
return new LexicalUnitImpl(prev, LexicalUnitType.OPERATOR_MINUS);
}
/**
* @param prev the previous LexicalUnit
* @return lexical unit with type multiply
*/
public static LexicalUnit createMultiply(final LexicalUnit prev) {
return new LexicalUnitImpl(prev, LexicalUnitType.OPERATOR_MULTIPLY);
}
/**
* @param prev the previous LexicalUnit
* @return lexical unit with type slash
*/
public static LexicalUnit createDivide(final LexicalUnit prev) {
return new LexicalUnitImpl(prev, LexicalUnitType.OPERATOR_SLASH);
}
}
