001: /*
002:
003: ============================================================================
004: The Apache Software License, Version 1.1
005: ============================================================================
006:
007: Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
008:
009: Redistribution and use in source and binary forms, with or without modifica-
010: tion, are permitted provided that the following conditions are met:
011:
012: 1. Redistributions of source code must retain the above copyright notice,
013: this list of conditions and the following disclaimer.
014:
015: 2. Redistributions in binary form must reproduce the above copyright notice,
016: this list of conditions and the following disclaimer in the documentation
017: and/or other materials provided with the distribution.
018:
019: 3. The end-user documentation included with the redistribution, if any, must
020: include the following acknowledgment: "This product includes software
021: developed by the Apache Software Foundation (http://www.apache.org/)."
022: Alternately, this acknowledgment may appear in the software itself, if
023: and wherever such third-party acknowledgments normally appear.
024:
025: 4. The names "Batik" and "Apache Software Foundation" must not be
026: used to endorse or promote products derived from this software without
027: prior written permission. For written permission, please contact
028: apache@apache.org.
029:
030: 5. Products derived from this software may not be called "Apache", nor may
031: "Apache" appear in their name, without prior written permission of the
032: Apache Software Foundation.
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
035: INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
036: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
037: APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
038: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
039: DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
040: OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
041: ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
042: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
043: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: This software consists of voluntary contributions made by many individuals
046: on behalf of the Apache Software Foundation. For more information on the
047: Apache Software Foundation, please see <http://www.apache.org/>.
048:
049: */
050:
051: package org.apache.batik.css.engine.value.css2;
052:
053: import org.apache.batik.css.engine.CSSEngine;
054: import org.apache.batik.css.engine.value.IdentifierManager;
055: import org.apache.batik.css.engine.value.ListValue;
056: import org.apache.batik.css.engine.value.StringMap;
057: import org.apache.batik.css.engine.value.StringValue;
058: import org.apache.batik.css.engine.value.URIValue;
059: import org.apache.batik.css.engine.value.Value;
060: import org.apache.batik.css.engine.value.ValueConstants;
061: import org.apache.batik.util.CSSConstants;
062:
063: import org.w3c.dom.css.CSSPrimitiveValue;
064: import org.w3c.dom.DOMException;
065: import org.w3c.css.sac.LexicalUnit;
066:
067: // BEGIN RAVE MODIFICATIONS
068: // Why is this in css2? "src" is not a CSS2 property!
069: // END RAVE MODIFICATIONS
070:
071: /**
072: * One line Class Desc
073: *
074: * Complete Class Desc
075: *
076: * @author <a href="mailto:deweese@apache.org>l449433</a>
077: * @version $Id$
078: */
079: public class SrcManager extends IdentifierManager {
080:
081: /**
082: * The identifier values.
083: */
084: protected final static StringMap values = new StringMap();
085: static {
086: values.put(CSSConstants.CSS_NONE_VALUE,
087: ValueConstants.NONE_VALUE);
088: }
089:
090: public SrcManager() {
091: }
092:
093: /**
094: * Implements {@link
095: * org.apache.batik.css.engine.value.ValueManager#isInheritedProperty()}.
096: */
097: public boolean isInheritedProperty() {
098: return false;
099: }
100:
101: /**
102: * Implements {@link
103: * org.apache.batik.css.engine.value.ValueManager#getPropertyName()}.
104: */
105: public String getPropertyName() {
106: return CSSConstants.CSS_SRC_PROPERTY;
107: }
108:
109: /**
110: * Implements {@link
111: * org.apache.batik.css.engine.value.ValueManager#getDefaultValue()}.
112: */
113: public Value getDefaultValue() {
114: return ValueConstants.NONE_VALUE;
115: }
116:
117: /**
118: * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}.
119: */
120: public Value createValue(LexicalUnit lu, CSSEngine engine)
121: throws DOMException {
122:
123: switch (lu.getLexicalUnitType()) {
124: case LexicalUnit.SAC_INHERIT:
125: return ValueConstants.INHERIT_VALUE;
126:
127: default:
128: throw createInvalidLexicalUnitDOMException(lu
129: .getLexicalUnitType(), engine);
130:
131: case LexicalUnit.SAC_IDENT:
132: case LexicalUnit.SAC_STRING_VALUE:
133: case LexicalUnit.SAC_URI:
134: }
135:
136: ListValue result = new ListValue();
137: for (;;) {
138: switch (lu.getLexicalUnitType()) {
139: case LexicalUnit.SAC_STRING_VALUE:
140: result.append(new StringValue(
141: CSSPrimitiveValue.CSS_STRING, lu
142: .getStringValue()));
143: lu = lu.getNextLexicalUnit();
144: break;
145:
146: case LexicalUnit.SAC_URI:
147: String uri = resolveURI(engine.getCSSBaseURI(), lu
148: .getStringValue());
149:
150: result.append(new URIValue(lu.getStringValue(), uri));
151: lu = lu.getNextLexicalUnit();
152: if ((lu != null)
153: && (lu.getLexicalUnitType() == LexicalUnit.SAC_FUNCTION)) {
154: if (!lu.getFunctionName()
155: .equalsIgnoreCase("format")) {
156: break;
157: }
158: // Format really does us no good so just ignore it.
159:
160: // TODO: Should probably turn this into a ListValue
161: // and append the format function CSS Value.
162: lu = lu.getNextLexicalUnit();
163: }
164: break;
165:
166: case LexicalUnit.SAC_IDENT:
167: StringBuffer sb = new StringBuffer(lu.getStringValue());
168: lu = lu.getNextLexicalUnit();
169: if (lu != null
170: && lu.getLexicalUnitType() == LexicalUnit.SAC_IDENT) {
171: do {
172: sb.append(' ');
173: sb.append(lu.getStringValue());
174: lu = lu.getNextLexicalUnit();
175: } while (lu != null
176: && lu.getLexicalUnitType() == LexicalUnit.SAC_IDENT);
177: result
178: .append(new StringValue(
179: CSSPrimitiveValue.CSS_STRING, sb
180: .toString()));
181: } else {
182: String id = sb.toString();
183: String s = id.toLowerCase().intern();
184: Value v = (Value) values.get(s);
185: result.append((v != null) ? v : new StringValue(
186: CSSPrimitiveValue.CSS_STRING, id));
187: }
188: break;
189: }
190: if (lu == null) {
191: return result;
192: }
193: if (lu.getLexicalUnitType() != LexicalUnit.SAC_OPERATOR_COMMA) {
194: throw createInvalidLexicalUnitDOMException(lu
195: .getLexicalUnitType(), engine);
196: }
197: lu = lu.getNextLexicalUnit();
198: if (lu == null) {
199: throw createMalformedLexicalUnitDOMException(engine);
200: }
201: }
202: }
203:
204: /**
205: * Implements {@link IdentifierManager#getIdentifiers()}.
206: */
207: protected StringMap getIdentifiers() {
208: return values;
209: }
210: }
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