org.cobraparser.html.style.HtmlValues Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of Cobra Show documentation
Show all versions of Cobra Show documentation
Cobra is the rendering engine designed for LoboBrowser
/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
This library 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 library 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: [email protected]
*/
package org.cobraparser.html.style;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Toolkit;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.cobraparser.util.Urls;
import org.cobraparser.util.gui.ColorFactory;
import org.w3c.dom.css.CSS2Properties;
public class HtmlValues {
static final String BORDER_THIN_SIZE = "1px";
static final String BORDER_MEDIUM_SIZE = "3px";
static final String BORDER_THICK_SIZE = "5px";
public static final Map SYSTEM_FONTS = new HashMap<>();
private static final Logger logger = Logger.getLogger(HtmlValues.class.getName());
public static final float DEFAULT_FONT_SIZE = 16.0f;
public static final int DEFAULT_FONT_SIZE_INT = (int) DEFAULT_FONT_SIZE;
// TODO: Make the minimum font size configurable
public static final int MINIMUM_FONT_SIZE_PIXELS = 14;
public static final Float DEFAULT_FONT_SIZE_BOX = new Float(DEFAULT_FONT_SIZE);
public static final int DEFAULT_BORDER_WIDTH = 2;
public static final int BORDER_STYLE_NONE = 0;
public static final int BORDER_STYLE_HIDDEN = 1;
public static final int BORDER_STYLE_DOTTED = 2;
public static final int BORDER_STYLE_DASHED = 3;
public static final int BORDER_STYLE_SOLID = 4;
public static final int BORDER_STYLE_DOUBLE = 5;
public static final int BORDER_STYLE_GROOVE = 6;
public static final int BORDER_STYLE_RIDGE = 7;
public static final int BORDER_STYLE_INSET = 8;
public static final int BORDER_STYLE_OUTSET = 9;
static {
final FontInfo systemFont = new FontInfo();
SYSTEM_FONTS.put("caption", systemFont);
SYSTEM_FONTS.put("icon", systemFont);
SYSTEM_FONTS.put("menu", systemFont);
SYSTEM_FONTS.put("message-box", systemFont);
SYSTEM_FONTS.put("small-caption", systemFont);
SYSTEM_FONTS.put("status-bar", systemFont);
}
private HtmlValues() {
}
public static boolean isBorderStyle(final String token) {
final String tokenTL = token.toLowerCase();
return tokenTL.equals("solid") || tokenTL.equals("dashed") || tokenTL.equals("dotted") || tokenTL.equals("double")
|| tokenTL.equals("none") || tokenTL.equals("hidden") || tokenTL.equals("groove") || tokenTL.equals("ridge")
|| tokenTL.equals("inset") || tokenTL.equals("outset");
}
public static HtmlInsets getMarginInsets(final CSS2Properties cssProperties, final RenderState renderState) {
HtmlInsets insets = null;
final String topText = cssProperties.getMarginTop();
insets = updateInset(insets, topText, renderState, topUpdater);
final String leftText = cssProperties.getMarginLeft();
insets = updateInset(insets, leftText, renderState, leftUpdater);
final String bottomText = cssProperties.getMarginBottom();
insets = updateInset(insets, bottomText, renderState, bottomUpdater);
final String rightText = cssProperties.getMarginRight();
insets = updateInset(insets, rightText, renderState, rightUpdater);
return insets;
}
public static HtmlInsets getPaddingInsets(final CSS2Properties cssProperties, final RenderState renderState) {
HtmlInsets insets = null;
final String topText = cssProperties.getPaddingTop();
insets = updateInset(insets, topText, renderState, topUpdater);
final String leftText = cssProperties.getPaddingLeft();
insets = updateInset(insets, leftText, renderState, leftUpdater);
final String bottomText = cssProperties.getPaddingBottom();
insets = updateInset(insets, bottomText, renderState, bottomUpdater);
final String rightText = cssProperties.getPaddingRight();
insets = updateInset(insets, rightText, renderState, rightUpdater);
return insets;
}
/**
* Populates {@link BorderInfo.insets}.
*
* @param binfo
* A BorderInfo with its styles already populated.
* @param cssProperties
* The CSS properties object.
* @param renderState
* The current render state.
*/
public static void populateBorderInsets(final BorderInfo binfo, final CSS2Properties cssProperties, final RenderState renderState) {
HtmlInsets insets = null;
if (binfo.topStyle != HtmlValues.BORDER_STYLE_NONE && binfo.topStyle != HtmlValues.BORDER_STYLE_HIDDEN) {
final String topText = cssProperties.getBorderTopWidth();
insets = updateBorderInset(insets, topText, renderState, topUpdater, binfo.topStyle);
}
if (binfo.leftStyle != HtmlValues.BORDER_STYLE_NONE && binfo.leftStyle != HtmlValues.BORDER_STYLE_HIDDEN) {
final String leftText = cssProperties.getBorderLeftWidth();
insets = updateBorderInset(insets, leftText, renderState, leftUpdater, binfo.leftStyle);
}
if (binfo.bottomStyle != HtmlValues.BORDER_STYLE_NONE && binfo.bottomStyle != HtmlValues.BORDER_STYLE_HIDDEN) {
final String bottomText = cssProperties.getBorderBottomWidth();
insets = updateBorderInset(insets, bottomText, renderState, bottomUpdater, binfo.bottomStyle);
}
if (binfo.rightStyle != HtmlValues.BORDER_STYLE_NONE && binfo.rightStyle != HtmlValues.BORDER_STYLE_HIDDEN) {
final String rightText = cssProperties.getBorderRightWidth();
insets = updateBorderInset(insets, rightText, renderState, rightUpdater, binfo.rightStyle);
}
binfo.insets = insets;
}
/* Not used by anyone
private static int getBorderWidth(final String sizeText, final int borderStyle, final RenderState renderState) {
if (borderStyle == BORDER_STYLE_NONE) {
return 0;
} else {
if (sizeText == null || sizeText.length() == 0) {
return DEFAULT_BORDER_WIDTH;
}
return HtmlValues.getPixelSize(sizeText, renderState, DEFAULT_BORDER_WIDTH);
}
}*/
private static interface InsetUpdater {
void updateValue(HtmlInsets insets, final int value);
void updateType(HtmlInsets insets, final int type);
}
private static InsetUpdater topUpdater = new InsetUpdater() {
public void updateValue(final HtmlInsets insets, final int value) {
insets.top = value;
}
public void updateType(final HtmlInsets insets, final int type) {
insets.topType = type;
}
};
private static InsetUpdater leftUpdater = new InsetUpdater() {
public void updateValue(final HtmlInsets insets, final int value) {
insets.left = value;
}
public void updateType(final HtmlInsets insets, final int type) {
insets.leftType = type;
}
};
private static InsetUpdater bottomUpdater = new InsetUpdater() {
public void updateValue(final HtmlInsets insets, final int value) {
insets.bottom = value;
}
public void updateType(final HtmlInsets insets, final int type) {
insets.bottomType = type;
}
};
private static InsetUpdater rightUpdater = new InsetUpdater() {
public void updateValue(final HtmlInsets insets, final int value) {
insets.right = value;
}
public void updateType(final HtmlInsets insets, final int type) {
insets.rightType = type;
}
};
private static HtmlInsets updateInset(HtmlInsets insets, String sizeText, final RenderState renderState, final InsetUpdater updater) {
if (sizeText == null) {
return insets;
}
sizeText = sizeText.trim();
if (sizeText.length() == 0) {
return insets;
}
if (insets == null) {
insets = new HtmlInsets();
}
if ("auto".equalsIgnoreCase(sizeText)) {
updater.updateType(insets, HtmlInsets.TYPE_AUTO);
} else if (sizeText.endsWith("%")) {
updater.updateType(insets, HtmlInsets.TYPE_PERCENT);
try {
updater.updateValue(insets, Integer.parseInt(sizeText.substring(0, sizeText.length() - 1)));
} catch (final NumberFormatException nfe) {
updater.updateValue(insets, 0);
}
} else {
updater.updateType(insets, HtmlInsets.TYPE_PIXELS);
updater.updateValue(insets, HtmlValues.getPixelSize(sizeText, renderState, 0));
}
return insets;
}
private static HtmlInsets updateBorderInset(HtmlInsets insets, String sizeText, final RenderState renderState, final InsetUpdater updater, final int borderStyle) {
if (sizeText == null) {
if (borderStyle != BORDER_STYLE_NONE) {
sizeText = BORDER_MEDIUM_SIZE;
}
}
return updateInset(insets, sizeText, renderState, updater);
}
public static Insets getInsets(final String insetsSpec, final RenderState renderState, final boolean negativeOK) {
final int[] insetsArray = new int[4];
int size = 0;
final StringTokenizer tok = new StringTokenizer(insetsSpec);
if (tok.hasMoreTokens()) {
String token = tok.nextToken();
insetsArray[0] = getPixelSize(token, renderState, 0);
if (negativeOK || (insetsArray[0] >= 0)) {
size = 1;
if (tok.hasMoreTokens()) {
token = tok.nextToken();
insetsArray[1] = getPixelSize(token, renderState, 0);
if (negativeOK || (insetsArray[1] >= 0)) {
size = 2;
if (tok.hasMoreTokens()) {
token = tok.nextToken();
insetsArray[2] = getPixelSize(token, renderState, 0);
if (negativeOK || (insetsArray[2] >= 0)) {
size = 3;
if (tok.hasMoreTokens()) {
token = tok.nextToken();
insetsArray[3] = getPixelSize(token, renderState, 0);
size = 4;
if (negativeOK || (insetsArray[3] >= 0)) {
// nop
} else {
insetsArray[3] = 0;
}
}
} else {
size = 4;
insetsArray[2] = 0;
}
}
} else {
size = 4;
insetsArray[1] = 0;
}
}
} else {
size = 1;
insetsArray[0] = 0;
}
}
if (size == 4) {
return new Insets(insetsArray[0], insetsArray[3], insetsArray[2], insetsArray[1]);
} else if (size == 1) {
final int val = insetsArray[0];
return new Insets(val, val, val, val);
} else if (size == 2) {
return new Insets(insetsArray[0], insetsArray[1], insetsArray[0], insetsArray[1]);
} else if (size == 3) {
return new Insets(insetsArray[0], insetsArray[1], insetsArray[2], insetsArray[1]);
} else {
return null;
}
}
/**
* Gets a number for 1 to 7.
*
* @param oldHtmlSpec
* A number from 1 to 7 or +1, etc.
*/
public static final int getFontNumberOldStyle(String oldHtmlSpec, final RenderState renderState) {
oldHtmlSpec = oldHtmlSpec.trim();
int tentative;
try {
if (oldHtmlSpec.startsWith("+")) {
tentative = renderState.getFontBase() + Integer.parseInt(oldHtmlSpec.substring(1));
} else if (oldHtmlSpec.startsWith("-")) {
tentative = renderState.getFontBase() + Integer.parseInt(oldHtmlSpec);
} else {
tentative = Integer.parseInt(oldHtmlSpec);
}
if (tentative < 1) {
tentative = 1;
} else if (tentative > 7) {
tentative = 7;
}
} catch (final NumberFormatException nfe) {
// ignore
tentative = 3;
}
return tentative;
}
public static final float getFontSize(final int fontNumber) {
switch (fontNumber) {
case 1:
return 10.0f;
case 2:
return 11.0f;
case 3:
return 13.0f;
case 4:
return 16.0f;
case 5:
return 21.0f;
case 6:
return 29.0f;
case 7:
return 42.0f;
default:
return 63.0f;
}
}
public static final String getFontSizeSpec(final int fontNumber) {
switch (fontNumber) {
case 1:
return "10px";
case 2:
return "11px";
case 3:
return "13px";
case 4:
return "16px";
case 5:
return "21px";
case 6:
return "29px";
case 7:
return "42px";
default:
return "63px";
}
}
public static final float getFontSize(final String spec, final RenderState parentRenderState) {
final float specifiedFontSize = getFontSizeImpl(spec, parentRenderState);
if (specifiedFontSize == 0f) {
return specifiedFontSize;
}
return Math.max(MINIMUM_FONT_SIZE_PIXELS, specifiedFontSize);
}
private static final float getFontSizeImpl(final String spec, final RenderState parentRenderState) {
final String specTL = spec.toLowerCase();
if (specTL.endsWith("em")) {
if (parentRenderState == null) {
return DEFAULT_FONT_SIZE;
}
final Font font = parentRenderState.getFont();
final String pxText = specTL.substring(0, specTL.length() - 2);
double value;
try {
value = Double.parseDouble(pxText);
} catch (final NumberFormatException nfe) {
return DEFAULT_FONT_SIZE;
}
return (int) Math.round(font.getSize() * value);
} else if (specTL.endsWith("px") || specTL.endsWith("pt") || specTL.endsWith("cm") || specTL.endsWith("pc") || specTL.endsWith("cm")
|| specTL.endsWith("mm") || specTL.endsWith("ex")) {
final int pixelSize = getPixelSize(spec, parentRenderState, DEFAULT_FONT_SIZE_INT);
/* Disabling for GH-185
final int dpi = getDpi();
Normally the factor below should be 72, but the font-size concept in HTML is handled differently.
return (pixelSize * 96f) / dpi;
*/
return pixelSize;
} else if (specTL.endsWith("%")) {
final String value = specTL.substring(0, specTL.length() - 1);
try {
final double valued = Double.parseDouble(value);
final double parentFontSize = parentRenderState == null ? 14.0 : parentRenderState.getFont().getSize();
return (float) ((parentFontSize * valued) / 100.0);
} catch (final NumberFormatException nfe) {
return DEFAULT_FONT_SIZE;
}
} else if ("small".equals(specTL)) {
return 12.0f;
} else if ("medium".equals(specTL)) {
return 14.0f;
} else if ("large".equals(specTL)) {
return 20.0f;
} else if ("x-small".equals(specTL)) {
return 11.0f;
} else if ("xx-small".equals(specTL)) {
return 10.0f;
} else if ("x-large".equals(specTL)) {
return 26.0f;
} else if ("xx-large".equals(specTL)) {
return 40.0f;
} else if ("larger".equals(specTL)) {
final int parentFontSize = parentRenderState == null ? DEFAULT_FONT_SIZE_INT : parentRenderState.getFont().getSize();
return parentFontSize * 1.2f;
} else if ("smaller".equals(specTL)) {
final int parentFontSize = parentRenderState == null ? DEFAULT_FONT_SIZE_INT : parentRenderState.getFont().getSize();
return parentFontSize / 1.2f;
} else {
return getPixelSize(spec, parentRenderState, DEFAULT_FONT_SIZE_INT);
}
}
public static final int getPixelSize(final String spec, final RenderState renderState, final int errorValue, final int availSize) {
if (spec.endsWith("%")) {
final String perText = spec.substring(0, spec.length() - 1);
try {
final double val = Double.parseDouble(perText);
return (int) Math.round((availSize * val) / 100.0);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else {
return getPixelSize(spec, renderState, errorValue);
}
}
public static final int getPixelSize(final String spec, final RenderState renderState, final int errorValue) {
final String lcSpec = spec.toLowerCase();
if (lcSpec.endsWith("px")) {
final String pxText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(pxText);
final int dpi = getDpi();
final double inches = val / 96;
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("em") && (renderState != null)) {
final Font f = renderState.getFont();
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
// Get fontSize in points (1/72 of an inch).
final float fontSizePt = f.getSize2D();
/* Formula: fontSize in CSS pixels = (fontSizePt / 72.0) * 96.0;
* fontSize in device pixels = (font size in css pixels * dpi) / 96.0
* = (fontSizePt / 72.0) * dpi
*
* Although, we should be using the factor 72 as per above, the actual factor used below is 96.
* This is because the font-height is calculated differently in CSS. TODO: Add a reference for this.
*/
/* Disabling for GH-185
final int dpi = getDpi();
final double fontSizeDevicePixels = (fontSizePt * dpi) / 96;
return (int) Math.round(fontSizeDevicePixels * val);
*/
return (int) Math.round(fontSizePt * val);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("pt")) {
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
final int dpi = getDpi();
final double inches = val / 72;
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("in")) {
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double inches = Double.parseDouble(valText);
final int dpi = getDpi();
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("pc")) {
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
final int dpi = getDpi();
final double inches = val / 6;
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("cm")) {
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
final int dpi = getDpi();
final double inches = val / 2.54;
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("mm")) {
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
final int dpi = getDpi();
final double inches = val / 25.4;
return (int) Math.round(dpi * inches);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else if (lcSpec.endsWith("ex") && (renderState != null)) {
final double xHeight = renderState.getFontXHeight();
final String valText = lcSpec.substring(0, lcSpec.length() - 2);
try {
final double val = Double.parseDouble(valText);
return (int) Math.round(xHeight * val);
} catch (final NumberFormatException nfe) {
return errorValue;
}
} else {
final String pxText = lcSpec;
try {
return (int) Math.round(Double.parseDouble(pxText));
} catch (final NumberFormatException nfe) {
return errorValue;
}
}
}
private static int getDpi() {
if (GraphicsEnvironment.isHeadless()) {
// TODO: Why is this 72? The CSS native resolution seems to be 96, so we could use that instead.
return 72;
} else {
final int screenResolution = Toolkit.getDefaultToolkit().getScreenResolution();
// TODO: Hack: converting to a multiple of 16. See GH-185
return (screenResolution + 15) & 0xfffffff0;
}
}
public static int scaleToDevicePixels(final double cssPixels) {
return (int) Math.round(cssPixels * getDpi() / 96.0);
}
// TODO: move this functionality to the attribute -> CSS style functionality
public static int getOldSyntaxPixelSize(String spec, final int availSize, final int errorValue) {
if (spec == null) {
return errorValue;
}
spec = spec.trim();
try {
if (spec.endsWith("%")) {
return (availSize * Integer.parseInt(spec.substring(0, spec.length() - 1))) / 100;
}
if (spec.endsWith("px")){
final double val = Double.parseDouble(spec.substring(0, spec.length() - 2));
return scaleToDevicePixels(val);
} else {
return scaleToDevicePixels(Integer.parseInt(spec));
}
} catch (final NumberFormatException nfe) {
return errorValue;
}
}
/* This was called from BodyRenderState.getMarginInsets() which has now been commented out
public static int getOldSyntaxPixelSizeSimple(String spec, final int errorValue) {
if (spec == null) {
return errorValue;
}
spec = spec.trim();
try {
return Integer.parseInt(spec);
} catch (final NumberFormatException nfe) {
return errorValue;
}
}*/
public static java.net.URL getURIFromStyleValue(final String fullURLStyleValue) {
final String start = "url(";
if (!fullURLStyleValue.toLowerCase().startsWith(start)) {
return null;
}
final int startIdx = start.length();
final int closingIdx = fullURLStyleValue.lastIndexOf(')');
if (closingIdx == -1) {
return null;
}
final String quotedUri = fullURLStyleValue.substring(startIdx, closingIdx);
final String tentativeUri = unquoteAndUnescape(quotedUri);
try {
return Urls.createURL(null, tentativeUri);
} catch (final java.net.MalformedURLException mfu) {
logger.log(Level.WARNING, "Unable to create URL for URI=[" + tentativeUri + "].", mfu);
return null;
}
}
public static String unquoteAndUnescape(final String text) {
final StringBuffer result = new StringBuffer();
int index = 0;
final int length = text.length();
boolean escape = false;
boolean single = false;
if (index < length) {
final char ch = text.charAt(index);
switch (ch) {
case '\'':
single = true;
break;
case '"':
break;
case '\\':
escape = true;
break;
default:
result.append(ch);
}
index++;
}
OUTER: for (; index < length; index++) {
final char ch = text.charAt(index);
switch (ch) {
case '\'':
if (escape || !single) {
escape = false;
result.append(ch);
} else {
break OUTER;
}
break;
case '"':
if (escape || single) {
escape = false;
result.append(ch);
} else {
break OUTER;
}
break;
case '\\':
if (escape) {
escape = false;
result.append(ch);
} else {
escape = true;
}
break;
default:
if (escape) {
escape = false;
result.append('\\');
}
result.append(ch);
}
}
return result.toString();
}
public static String quoteAndEscape(final String text) {
final StringBuffer result = new StringBuffer();
result.append("'");
int index = 0;
final int length = text.length();
while (index < length) {
final char ch = text.charAt(index);
switch (ch) {
case '\'':
result.append("\\'");
break;
case '\\':
result.append("\\\\");
break;
default:
result.append(ch);
}
index++;
}
result.append("'");
return result.toString();
}
/*
public static String getColorFromBackground(final String background) {
final String[] backgroundParts = HtmlValues.splitCssValue(background);
for (final String token : backgroundParts) {
if (ColorFactory.getInstance().isColor(token)) {
return token;
}
}
return null;
}
*/
public static boolean isLength(final String token) {
if (token.endsWith("px") || token.endsWith("pt") || token.endsWith("pc") || token.endsWith("cm") || token.endsWith("mm")
|| token.endsWith("ex") || token.endsWith("em")) {
return true;
}
try {
Double.parseDouble(token);
return true;
} catch (final NumberFormatException nfe) {
return false;
}
}
public static String[] splitCssValue(final String cssValue) {
final ArrayList tokens = new ArrayList<>(4);
final int len = cssValue.length();
int parenCount = 0;
StringBuffer currentWord = null;
for (int i = 0; i < len; i++) {
final char ch = cssValue.charAt(i);
switch (ch) {
case '(':
parenCount++;
if (currentWord == null) {
currentWord = new StringBuffer();
}
currentWord.append(ch);
break;
case ')':
parenCount--;
if (currentWord == null) {
currentWord = new StringBuffer();
}
currentWord.append(ch);
break;
case ' ':
case '\t':
case '\n':
case '\r':
if (parenCount == 0) {
tokens.add(currentWord.toString());
currentWord = null;
break;
} else {
// Fall through - no break
}
default:
if (currentWord == null) {
currentWord = new StringBuffer();
}
currentWord.append(ch);
break;
}
}
if (currentWord != null) {
tokens.add(currentWord.toString());
}
return tokens.toArray(new String[tokens.size()]);
}
public static boolean isUrl(final String token) {
return token.toLowerCase().startsWith("url(");
}
public static int getListStyleType(final String token) {
final String tokenTL = token.toLowerCase();
if ("none".equals(tokenTL)) {
return ListStyle.TYPE_NONE;
} else if ("disc".equals(tokenTL)) {
return ListStyle.TYPE_DISC;
} else if ("circle".equals(tokenTL)) {
return ListStyle.TYPE_CIRCLE;
} else if ("square".equals(tokenTL)) {
return ListStyle.TYPE_SQUARE;
} else if ("decimal".equals(tokenTL)) {
return ListStyle.TYPE_DECIMAL;
} else if ("lower-alpha".equals(tokenTL) || "lower-latin".equals(tokenTL)) {
return ListStyle.TYPE_LOWER_ALPHA;
} else if ("upper-alpha".equals(tokenTL) || "upper-latin".equals(tokenTL)) {
return ListStyle.TYPE_UPPER_ALPHA;
} else {
// TODO: Many types missing here
return ListStyle.TYPE_UNSET;
}
}
public static int getListStyleTypeDeprecated(final String token) {
final String tokenTL = token.toLowerCase();
if ("disc".equals(tokenTL)) {
return ListStyle.TYPE_DISC;
} else if ("circle".equals(tokenTL)) {
return ListStyle.TYPE_CIRCLE;
} else if ("square".equals(tokenTL)) {
return ListStyle.TYPE_SQUARE;
} else if ("1".equals(tokenTL)) {
return ListStyle.TYPE_DECIMAL;
} else if ("a".equals(tokenTL)) {
return ListStyle.TYPE_LOWER_ALPHA;
} else if ("A".equals(tokenTL)) {
return ListStyle.TYPE_UPPER_ALPHA;
} else {
// TODO: Missing i, I.
return ListStyle.TYPE_UNSET;
}
}
public static int getListStylePosition(final String token) {
final String tokenTL = token.toLowerCase();
if ("inside".equals(tokenTL)) {
return ListStyle.POSITION_INSIDE;
} else if ("outside".equals(tokenTL)) {
return ListStyle.POSITION_OUTSIDE;
} else {
return ListStyle.POSITION_UNSET;
}
}
public static ListStyle getListStyle(final String listStyleText) {
final ListStyle listStyle = new ListStyle();
final String[] tokens = HtmlValues.splitCssValue(listStyleText);
for (final String token : tokens) {
final int listStyleType = HtmlValues.getListStyleType(token);
if (listStyleType != ListStyle.TYPE_UNSET) {
listStyle.type = listStyleType;
} else if (HtmlValues.isUrl(token)) {
// TODO: listStyle.image
} else {
final int listStylePosition = HtmlValues.getListStylePosition(token);
if (listStylePosition != ListStyle.POSITION_UNSET) {
listStyle.position = listStylePosition;
}
}
}
return listStyle;
}
public static boolean isFontStyle(final String token) {
return "italic".equals(token) || "normal".equals(token) || "oblique".equals(token);
}
public static boolean isFontVariant(final String token) {
return "small-caps".equals(token) || "normal".equals(token);
}
public static boolean isFontWeight(final String token) {
if ("bold".equals(token) || "bolder".equals(token) || "lighter".equals(token)) {
return true;
}
try {
final int value = Integer.parseInt(token);
return ((value % 100) == 0) && (value >= 100) && (value <= 900);
} catch (final NumberFormatException nfe) {
return false;
}
}
public static BorderInfo getBorderInfo(final CSS2Properties properties, final RenderState renderState) {
final BorderInfo binfo = new BorderInfo();
binfo.topStyle = getBorderStyle(properties.getBorderTopStyle());
binfo.rightStyle = getBorderStyle(properties.getBorderRightStyle());
binfo.bottomStyle = getBorderStyle(properties.getBorderBottomStyle());
binfo.leftStyle = getBorderStyle(properties.getBorderLeftStyle());
final ColorFactory cf = ColorFactory.getInstance();
binfo.topColor = getBorderColor(cf, properties.getBorderTopColor(), renderState);
binfo.rightColor = getBorderColor(cf, properties.getBorderRightColor(), renderState);
binfo.bottomColor = getBorderColor(cf, properties.getBorderBottomColor(), renderState);
binfo.leftColor = getBorderColor(cf, properties.getBorderLeftColor(), renderState);
HtmlValues.populateBorderInsets(binfo, properties, renderState);
return binfo;
}
private static java.awt.Color getBorderColor(final ColorFactory cf, final String colorSpec, final RenderState renderState) {
if (colorSpec != null && (colorSpec.trim().length() != 0)) {
return cf.getColor(colorSpec);
} else {
return renderState.getColor();
}
}
public static Insets getBorderStyles(final CSS2Properties properties) {
final int topStyle = getBorderStyle(properties.getBorderTopStyle());
final int rightStyle = getBorderStyle(properties.getBorderRightStyle());
final int bottomStyle = getBorderStyle(properties.getBorderBottomStyle());
final int leftStyle = getBorderStyle(properties.getBorderLeftStyle());
return new Insets(topStyle, leftStyle, bottomStyle, rightStyle);
}
private static int getBorderStyle(final String styleText) {
if ((styleText == null) || (styleText.length() == 0)) {
return HtmlValues.BORDER_STYLE_NONE;
}
final String stl = styleText.toLowerCase();
if ("solid".equals(stl)) {
return BORDER_STYLE_SOLID;
} else if ("dashed".equals(stl)) {
return BORDER_STYLE_DASHED;
} else if ("dotted".equals(stl)) {
return BORDER_STYLE_DOTTED;
} else if ("none".equals(stl)) {
return BORDER_STYLE_NONE;
} else if ("hidden".equals(stl)) {
return BORDER_STYLE_HIDDEN;
} else if ("double".equals(stl)) {
return BORDER_STYLE_DOUBLE;
} else if ("groove".equals(stl)) {
return BORDER_STYLE_GROOVE;
} else if ("ridge".equals(stl)) {
return BORDER_STYLE_RIDGE;
} else if ("inset".equals(stl)) {
return BORDER_STYLE_INSET;
} else if ("outset".equals(stl)) {
return BORDER_STYLE_OUTSET;
} else {
return BORDER_STYLE_NONE;
}
}
public static boolean isBackgroundRepeat(final String repeat) {
final String repeatTL = repeat.toLowerCase();
return repeatTL.indexOf("repeat") != -1;
}
public static boolean isBackgroundPosition(final String token) {
return isLength(token) || token.endsWith("%") || token.equalsIgnoreCase("top") || token.equalsIgnoreCase("center")
|| token.equalsIgnoreCase("bottom") || token.equalsIgnoreCase("left") || token.equalsIgnoreCase("right");
}
}