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Open HTML to PDF is a CSS 2.1 renderer written in Java. This artifact contains the core rendering and layout code.
/*
* {{{ header & license
* Copyright (c) 2007 Wisconsin Court System
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package com.openhtmltopdf.css.parser.property;
import java.util.ArrayList;
import java.util.List;
import com.openhtmltopdf.css.constants.CSSName;
import com.openhtmltopdf.css.sheet.PropertyDeclaration;
public abstract class OneToFourPropertyBuilders {
private abstract static class OneToFourPropertyBuilder extends AbstractPropertyBuilder {
protected abstract CSSName[] getProperties();
protected abstract PropertyBuilder getPropertyBuilder();
public List buildDeclarations(
CSSName cssName, List values, int origin, boolean important, boolean inheritAllowed) {
List result = new ArrayList(4);
checkValueCount(cssName, 1, 4, values.size());
PropertyBuilder builder = getPropertyBuilder();
CSSName[] props = getProperties();
PropertyDeclaration decl1;
PropertyDeclaration decl2;
PropertyDeclaration decl3;
PropertyDeclaration decl4;
switch (values.size()) {
case 1:
decl1 = (PropertyDeclaration)builder.buildDeclarations(
cssName, values, origin, important).get(0);
result.add(copyOf(decl1, props[0]));
result.add(copyOf(decl1, props[1]));
result.add(copyOf(decl1, props[2]));
result.add(copyOf(decl1, props[3]));
break;
case 2:
decl1 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(0, 1), origin, important, false).get(0);
decl2 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(1, 2), origin, important, false).get(0);
result.add(copyOf(decl1, props[0]));
result.add(copyOf(decl2, props[1]));
result.add(copyOf(decl1, props[2]));
result.add(copyOf(decl2, props[3]));
break;
case 3:
decl1 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(0, 1), origin, important, false).get(0);
decl2 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(1, 2), origin, important, false).get(0);
decl3 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(2, 3), origin, important, false).get(0);
result.add(copyOf(decl1, props[0]));
result.add(copyOf(decl2, props[1]));
result.add(copyOf(decl3, props[2]));
result.add(copyOf(decl2, props[3]));
break;
case 4:
decl1 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(0, 1), origin, important, false).get(0);
decl2 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(1, 2), origin, important, false).get(0);
decl3 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(2, 3), origin, important, false).get(0);
decl4 =
(PropertyDeclaration)builder.buildDeclarations(
cssName, values.subList(3, 4), origin, important, false).get(0);
result.add(copyOf(decl1, props[0]));
result.add(copyOf(decl2, props[1]));
result.add(copyOf(decl3, props[2]));
result.add(copyOf(decl4, props[3]));
break;
}
return result;
}
}
public static class BorderColor extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.BORDER_TOP_COLOR,
CSSName.BORDER_RIGHT_COLOR,
CSSName.BORDER_BOTTOM_COLOR,
CSSName.BORDER_LEFT_COLOR };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.COLOR;
}
}
public static class BorderStyle extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.BORDER_TOP_STYLE,
CSSName.BORDER_RIGHT_STYLE,
CSSName.BORDER_BOTTOM_STYLE,
CSSName.BORDER_LEFT_STYLE };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.BORDER_STYLE;
}
}
public static class BorderWidth extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.BORDER_TOP_WIDTH,
CSSName.BORDER_RIGHT_WIDTH,
CSSName.BORDER_BOTTOM_WIDTH,
CSSName.BORDER_LEFT_WIDTH };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.BORDER_WIDTH;
}
}
public static class BorderRadius extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.BORDER_TOP_LEFT_RADIUS,
CSSName.BORDER_TOP_RIGHT_RADIUS,
CSSName.BORDER_BOTTOM_RIGHT_RADIUS,
CSSName.BORDER_BOTTOM_LEFT_RADIUS };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.BORDER_RADIUS;
}
}
public static class Margin extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.MARGIN_TOP,
CSSName.MARGIN_RIGHT,
CSSName.MARGIN_BOTTOM,
CSSName.MARGIN_LEFT };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.MARGIN;
}
}
public static class Padding extends OneToFourPropertyBuilder {
protected CSSName[] getProperties() {
return new CSSName[] {
CSSName.PADDING_TOP,
CSSName.PADDING_RIGHT,
CSSName.PADDING_BOTTOM,
CSSName.PADDING_LEFT };
}
protected PropertyBuilder getPropertyBuilder() {
return PrimitivePropertyBuilders.PADDING;
}
}
}