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Diffstat (limited to 'src/org/apache/fop/dom/css/CSSStyleSheetImpl.java')
| -rw-r--r-- | src/org/apache/fop/dom/css/CSSStyleSheetImpl.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/org/apache/fop/dom/css/CSSStyleSheetImpl.java b/src/org/apache/fop/dom/css/CSSStyleSheetImpl.java new file mode 100644 index 000000000..87c347e5e --- /dev/null +++ b/src/org/apache/fop/dom/css/CSSStyleSheetImpl.java @@ -0,0 +1,194 @@ +/*-- $Id$ -- + + ============================================================================ + The Apache Software License, Version 1.1 + ============================================================================ + + Copyright (C) 1999 The Apache Software Foundation. All rights reserved. + + Redistribution and use in source and binary forms, with or without modifica- + tion, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3. The end-user documentation included with the redistribution, if any, must + include the following acknowledgment: "This product includes software + developed by the Apache Software Foundation (http://www.apache.org/)." + Alternately, this acknowledgment may appear in the software itself, if + and wherever such third-party acknowledgments normally appear. + + 4. The names "FOP" and "Apache Software Foundation" must not be used to + endorse or promote products derived from this software without prior + written permission. For written permission, please contact + apache@apache.org. + + 5. Products derived from this software may not be called "Apache", nor may + "Apache" appear in their name, without prior written permission of the + Apache Software Foundation. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- + DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This software consists of voluntary contributions made by many individuals + on behalf of the Apache Software Foundation and was originally created by + James Tauber <jtauber@jtauber.com>. For more information on the Apache + Software Foundation, please see <http://www.apache.org/>. + + */ + +package org.apache.fop.dom.css; + +import org.w3c.dom.css.*; +import org.w3c.dom.*; +import org.w3c.dom.stylesheets.*; + +import java.util.*; + +/** + * + * + */ +public class CSSStyleSheetImpl implements CSSStyleSheet { + Vector rules = new Vector(); + + public CSSStyleSheetImpl(String sheet) + { + parseSheet(sheet); + } + + protected void parseSheet(String str) + { + // get each rule and insert it + // rule ends with } + // need to ignore comments + String newStr = str; + int pos1; + int pos2; + pos1 = newStr.indexOf("/*"); + pos2 = newStr.indexOf("*/"); + while((pos1 != -1) && (pos2 != -1)) { + newStr = newStr.substring(0, pos1) + newStr.substring(pos2 + 2, newStr.length()); + pos1 = newStr.indexOf("/*"); + pos2 = newStr.indexOf("*/"); + } + StringTokenizer st = new StringTokenizer(newStr, "}"); + while(st.hasMoreTokens()) { + String rule = st.nextToken() + "}"; + insertRule(rule, rules.size()); + } + } + + public CSSRule getOwnerRule() + { + // since this is for a style element + return null; + } + + public CSSRuleList getCssRules() + { + return new CSSRuleListImpl(rules); + } + + public int insertRule(String rule, + int index) + throws DOMException + { + CSSRule r = parseRule(rule); + if(r != null) + rules.addElement(r); + return 0; + } + + public void deleteRule(int index) + throws DOMException + { + rules.remove(index); + } + + public String getType() + { + return "text/css"; + } + + public boolean getDisabled() + { + return false; + } + + public void setDisabled(boolean disabled) + { + } + + public Node getOwnerNode() + { + // return the style element + return null; + } + + public StyleSheet getParentStyleSheet() + { + return null; + } + + public String getHref() + { + return null; + } + + public String getTitle() + { + return null; + } + + public MediaList getMedia() + { + return null; + } + + protected CSSRule parseRule(String str) + { + // a rule is "selectors {style}" + // a list of selectors followed by the style statement in brackets + int pos1 = str.indexOf("{"); + int pos2 = str.indexOf("}"); + if(pos1 == -1 || pos2 == -1) + return null; + String sel = str.substring(0, pos1); + String style = str.substring(pos1 + 1, pos2); + CSSStyleRule rule = new CSSStyleRuleImpl(this); + rule.setSelectorText(sel); + rule.setCssText(style); + return rule; + } +} + +class CSSRuleListImpl implements CSSRuleList { + Vector rules; + CSSRuleListImpl(Vector v) + { + rules = v; + } + + public int getLength() + { + return rules.size(); + } + + public CSSRule item(int pos) + { + return (CSSRule)rules.elementAt(pos); + } +} |