123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289 |
- <!--
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You 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.
- -->
- <!-- $Id$ -->
- <xsl:stylesheet version="1.0"
- xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
- <xsl:output method="text" />
-
- <xsl:include href="propinc.xsl"/>
-
- <xsl:template match="root">
- <xsl:text>
- package org.apache.fop.fo;
-
- import org.apache.fop.fo.Constants;
- import java.util.BitSet;
- import java.util.ArrayList;
-
- public class PropertySets {
- private static short[][] mapping = null;
-
- private Element[] elements = new Element[Constants.ELEMENT_COUNT+1];
- private BitSet block_elems = new BitSet();
- private BitSet inline_elems = new BitSet();
-
- </xsl:text>
- <xsl:apply-templates select="common" mode="decl"/>
- <xsl:text>
- public void initializeElements() {
- block_elems.set(Constants.FO_BLOCK);
- block_elems.set(Constants.FO_BLOCK_CONTAINER);
- block_elems.set(Constants.FO_TABLE_AND_CAPTION);
- block_elems.set(Constants.FO_TABLE);
- block_elems.set(Constants.FO_LIST_BLOCK);
-
- inline_elems.set(Constants.FO_BIDI_OVERRIDE);
- inline_elems.set(Constants.FO_CHARACTER);
- inline_elems.set(Constants.FO_EXTERNAL_GRAPHIC);
- inline_elems.set(Constants.FO_INSTREAM_FOREIGN_OBJECT);
- inline_elems.set(Constants.FO_INLINE);
- inline_elems.set(Constants.FO_INLINE_CONTAINER);
- inline_elems.set(Constants.FO_LEADER);
- inline_elems.set(Constants.FO_PAGE_NUMBER);
- inline_elems.set(Constants.FO_PAGE_NUMBER_CITATION);
- inline_elems.set(Constants.FO_BASIC_LINK);
- inline_elems.set(Constants.FO_MULTI_TOGGLE);
- }
-
- public void initializeCommon() {
- </xsl:text>
- <xsl:apply-templates select="common"/>
- <xsl:text>
- }
-
- public void initialize() {
- // define the fo: elements
- for (int i = 1; i < elements.length; i++) {
- elements[i] = new Element(i);
- }
-
- // populate the elements with properties and content elements.
- Element elem;
- </xsl:text>
-
- <xsl:apply-templates select="//element"/>
- <xsl:text>
-
- // Merge the attributes from the children into the parent.
- for (boolean dirty = true; dirty; ) {
- dirty = false;
- for (int i = 1; i < elements.length; i++) {
- dirty = dirty || elements[i].merge();
- }
- }
- // Calculate the sparse indices for each element.
- for (int i = 1; i < elements.length; i++) {
- mapping[i] = makeSparseIndices(elements[i].valid);
- }
- }
-
- /**
- * Turn a BitSet into an array of shorts with the first element
- * on the array the number of set bits in the BitSet.
- */
- private static short[] makeSparseIndices(BitSet set) {
- short[] indices = new short[Constants.PROPERTY_COUNT+1];
- int j = 1;
- for (int i = 0; i < Constants.PROPERTY_COUNT+1; i++) {
- if (set.get(i)) {
- indices[i] = (short) j++;
- }
- }
- indices[0] = (short)j;
- return indices;
- }
-
-
- public static short[] getPropertySet(int elementId) {
- if (mapping == null) {
- mapping = new short[Constants.ELEMENT_COUNT+1][];
- PropertySets ps = new PropertySets();
- ps.initializeElements();
- ps.initializeCommon();
- ps.initialize();
- }
- return mapping[elementId];
- }
-
- /**
- * An object that represent the properties and contents of a fo element
- */
- class Element {
- BitSet relevant = new BitSet();
- BitSet valid = new BitSet();
- int elementId;
- ArrayList children;
-
- Element(int elementId) {
- this.elementId = elementId;
- }
-
- /**
- * Add a single property to the element.
- */
- public void addProperty(int propId) {
- relevant.set(propId);
- valid.set(propId);
- }
-
- /**
- * Add a set of properties to the element.
- */
- public void addProperties(BitSet properties) {
- relevant.or(properties);
- valid.or(properties);
- }
-
- /**
- * Add a single fo element as a content child.
- */
- public void addContent(int elementId) {
- if (children == null) {
- children = new ArrayList();
- }
- children.add(elements[elementId]);
- }
-
- /**
- * Add a set of fo elements as content children.
- */
- public void addContent(BitSet elements) {
- for (int i = 0; i < elements.size(); i++) {
- if (elements.get(i)) {
- addContent(i);
- }
- }
- }
-
- /**
- * Merge the properties from the children into the set of valid
- * properties. Return true if at least one property could be added.
- */
- public boolean merge() {
- if (children == null) {
- return false;
- }
- boolean dirty = false;
- for (int i = 0; i < children.size(); i++) {
- Element child = (Element) children.get(i);
- BitSet childValid = child.valid;
- int n = childValid.length();
- for (int j = 0; j < n; j++) {
- if (childValid.get(j) && !valid.get(j)) {
- dirty = true;
- valid.set(j);
- }
- }
- }
- return dirty;
- }
- }
- }
- </xsl:text>
- </xsl:template>
-
- <xsl:template match="common" mode="decl">
- <xsl:variable name="name" select="name"/>
- <xsl:text> BitSet </xsl:text><xsl:value-of select="$name"/>
- <xsl:text> = new BitSet();
- </xsl:text>
- </xsl:template>
-
- <xsl:template match="common">
- <xsl:variable name="name" select="name"/>
- <xsl:apply-templates select="property">
- <xsl:with-param name="setname" select="$name"/>
- </xsl:apply-templates>
- <xsl:text>
- </xsl:text>
- </xsl:template>
-
- <xsl:template match="common/property">
- <xsl:param name="setname"/>
-
- <xsl:text> </xsl:text>
- <xsl:value-of select="../name"/><xsl:text>.set(Constants.PR_</xsl:text>
- <xsl:call-template name="makeEnumConstant">
- <xsl:with-param name="propstr" select="." />
- </xsl:call-template>);
- </xsl:template>
-
-
- <xsl:template match="element">
- <xsl:variable name="name">
- <xsl:call-template name="makeEnumConstant">
- <xsl:with-param name="propstr" select="name" />
- </xsl:call-template>
- </xsl:variable>
- <xsl:text> elem = elements[Constants.FO_</xsl:text>
- <xsl:value-of select="$name"/>
- <xsl:text>];
- </xsl:text>
- <xsl:apply-templates select="common-ref | property"/>
- <xsl:apply-templates select="content"/>
- <xsl:text>
- </xsl:text>
- </xsl:template>
-
-
- <xsl:template match="element/common-ref">
- <xsl:param name="setname"/>
-
- <xsl:text> elem.addProperties(</xsl:text>
- <xsl:value-of select="."/>);
- </xsl:template>
-
- <xsl:template match="element/property">
- <xsl:param name="setname"/>
-
- <xsl:text> elem.addProperty(Constants.PR_</xsl:text>
- <xsl:call-template name="makeEnumConstant">
- <xsl:with-param name="propstr" select="." />
- </xsl:call-template>);
- </xsl:template>
-
- <xsl:template match="element/content">
- <xsl:variable name="name">
- <xsl:text>Constants.FO_</xsl:text>
- <xsl:call-template name="makeEnumConstant">
- <xsl:with-param name="propstr" select="." />
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:choose>
- <xsl:when test=". = '%block;'">
- <xsl:text> elem.addContent(block_elems);
- </xsl:text>
- </xsl:when>
- <xsl:when test=". = '%inline;'">
- <xsl:text> elem.addContent(inline_elems);
- </xsl:text>
- </xsl:when>
- <xsl:otherwise>
- <xsl:text> elem.addContent(</xsl:text>
- <xsl:value-of select="$name"/>
- <xsl:text>);
- </xsl:text>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:template>
-
-
- <xsl:template match="text()"/>
-
- </xsl:stylesheet>
|