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Version modificada de iText 2.1.7 con el paquete cambiado, adaptaciones menores para firma y dependencias actualizadas.
/*
* $Id: Markup.java 3654 2009-01-21 16:11:00Z blowagie $
*
* Copyright 2001, 2002 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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 Library general Public License for more
* details.
*
* Contributions by:
* Lubos Strapko
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.aowagie.text.html;
import java.util.Properties;
import java.util.StringTokenizer;
import harmony.java.awt.Color;
/**
* A class that contains all the possible tagnames and their attributes.
*/
public class Markup {
// HTML attributes
/** This is used for inline css style information */
public static final String HTML_ATTR_STYLE = "style";
// CSS keys
/** the CSS tag for text color */
public static final String CSS_KEY_COLOR = "color";
/** the CSS tag for the font family */
public static final String CSS_KEY_FONTFAMILY = "font-family";
/** the CSS tag for the font size */
public static final String CSS_KEY_FONTSIZE = "font-size";
/** the CSS tag for the font style */
public static final String CSS_KEY_FONTSTYLE = "font-style";
/** the CSS tag for the font weight */
public static final String CSS_KEY_FONTWEIGHT = "font-weight";
/** the CSS tag for text decorations */
public static final String CSS_KEY_LINEHEIGHT = "line-height";
/** the CSS tag for text decorations */
public static final String CSS_KEY_VERTICALALIGN = "vertical-align";
// CSS values
/** a CSS value for text font weight */
public static final String CSS_VALUE_BOLD = "bold";
/** a CSS value for text font style */
public static final String CSS_VALUE_ITALIC = "italic";
/** a CSS value for text decoration */
public static final String CSS_VALUE_LINETHROUGH = "line-through";
/** a CSS value */
public static final String CSS_VALUE_NORMAL = "normal";
/** a CSS value for text font style */
public static final String CSS_VALUE_OBLIQUE = "oblique";
/** a CSS value for text decoration */
public static final String CSS_VALUE_UNDERLINE = "underline";
/** a default value for font-size
* @since 2.1.3
*/
public static final float DEFAULT_FONT_SIZE = 12f;
/**
* Parses a length.
*
* @param string
* a length in the form of an optional + or -, followed by a
* number and a unit.
* @return a float
*/
public static float parseLength(String string) {
// TODO: Evaluate the effect of this.
// It may change the default behavour of the methd if this is changed.
// return parseLength(string, Markup.DEFAULT_FONT_SIZE);
int pos = 0;
final int length = string.length();
boolean ok = true;
while (ok && pos < length) {
switch (string.charAt(pos)) {
case '+':
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '.':
pos++;
break;
default:
ok = false;
}
}
if (pos == 0) {
return 0f;
}
if (pos == length) {
return Float.parseFloat(string + "f");
}
final float f = Float.parseFloat(string.substring(0, pos) + "f");
string = string.substring(pos);
// inches
if (string.startsWith("in")) {
return f * 72f;
}
// centimeters
if (string.startsWith("cm")) {
return f / 2.54f * 72f;
}
// millimeters
if (string.startsWith("mm")) {
return f / 25.4f * 72f;
}
// picas
if (string.startsWith("pc")) {
return f * 12f;
}
// default: we assume the length was measured in points
return f;
}
/**
* New method contributed by: Lubos Strapko
*
* @since 2.1.3
*/
public static float parseLength(String string, final float actualFontSize) {
if (string == null) {
return 0f;
}
int pos = 0;
final int length = string.length();
boolean ok = true;
while (ok && pos < length) {
switch (string.charAt(pos)) {
case '+':
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '.':
pos++;
break;
default:
ok = false;
}
}
if (pos == 0) {
return 0f;
}
if (pos == length) {
return Float.parseFloat(string + "f");
}
final float f = Float.parseFloat(string.substring(0, pos) + "f");
string = string.substring(pos);
// inches
if (string.startsWith("in")) {
return f * 72f;
}
// centimeters
if (string.startsWith("cm")) {
return f / 2.54f * 72f;
}
// millimeters
if (string.startsWith("mm")) {
return f / 25.4f * 72f;
}
// picas
if (string.startsWith("pc")) {
return f * 12f;
}
// 1em is equal to the current font size
if (string.startsWith("em")) {
return f * actualFontSize;
}
// one ex is the x-height of a font (x-height is usually about half the
// font-size)
if (string.startsWith("ex")) {
return f * actualFontSize / 2;
}
// default: we assume the length was measured in points
return f;
}
/**
* Converts a Color into a HTML representation of this
* Color.
*
* @param s
* the Color that has to be converted.
* @return the HTML representation of this Color
*/
public static Color decodeColor(String s) {
if (s == null) {
return null;
}
s = s.toLowerCase().trim();
try {
return WebColors.getRGBColor(s);
}
catch(final IllegalArgumentException iae) {
return null;
}
}
/**
* This method parses a String with attributes and returns a Properties
* object.
*
* @param string
* a String of this form: 'key1="value1"; key2="value2";...
* keyN="valueN" '
* @return a Properties object
*/
public static Properties parseAttributes(final String string) {
final Properties result = new Properties();
if (string == null) {
return result;
}
final StringTokenizer keyValuePairs = new StringTokenizer(string, ";");
StringTokenizer keyValuePair;
String key;
String value;
while (keyValuePairs.hasMoreTokens()) {
keyValuePair = new StringTokenizer(keyValuePairs.nextToken(), ":");
if (keyValuePair.hasMoreTokens()) {
key = keyValuePair.nextToken().trim();
} else {
continue;
}
if (keyValuePair.hasMoreTokens()) {
value = keyValuePair.nextToken().trim();
} else {
continue;
}
if (value.startsWith("\"")) {
value = value.substring(1);
}
if (value.endsWith("\"")) {
value = value.substring(0, value.length() - 1);
}
result.setProperty(key.toLowerCase(), value);
}
return result;
}
}