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/*
* Copyright 2004 Paulo Soares
*
* 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:
* https://github.com/LibrePDF/OpenPDF
*/
package com.lowagie.text.html.simpleparser;
import static com.lowagie.text.html.Markup.parseLength;
import com.lowagie.text.Chunk;
import com.lowagie.text.Element;
import com.lowagie.text.ElementTags;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.FontProvider;
import com.lowagie.text.ListItem;
import com.lowagie.text.Paragraph;
import com.lowagie.text.html.HtmlTags;
import com.lowagie.text.html.Markup;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.HyphenationAuto;
import com.lowagie.text.pdf.HyphenationEvent;
import com.lowagie.text.utils.NumberUtilities;
import java.awt.Color;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
import javax.annotation.Nullable;
/**
* @author psoares
*/
public class FactoryProperties {
public static Map followTags = new HashMap<>();
static {
followTags.put("i", "i");
followTags.put("b", "b");
followTags.put("u", "u");
followTags.put("sub", "sub");
followTags.put("sup", "sup");
followTags.put("em", "i");
followTags.put("strong", "b");
followTags.put("s", "s");
followTags.put("strike", "s");
}
/**
* @since iText 5.0 This used to be a FontFactoryImp
*/
private FontProvider fontImp = FontFactory.getFontImp();
private static void setParagraphLeading(Paragraph paragraph, @Nullable String leading) {
if (leading == null) {
paragraph.setLeading(0, 1.5f);
return;
}
try {
StringTokenizer tokenizer = new StringTokenizer(leading, " ,");
String v = tokenizer.nextToken();
float v1 = Float.parseFloat(v);
if (!tokenizer.hasMoreTokens()) {
paragraph.setLeading(v1, 0);
return;
}
v = tokenizer.nextToken();
float v2 = Float.parseFloat(v);
paragraph.setLeading(v1, v2);
} catch (Exception e) {
paragraph.setLeading(0, 1.5f);
}
}
public static void createParagraph(Paragraph paragraph, ChainedProperties props) {
props.findProperty("align")
.map(String::trim)
.ifPresent(align -> {
if (align.equalsIgnoreCase("center")) {
paragraph.setAlignment(Element.ALIGN_CENTER);
} else if (align.equalsIgnoreCase("right")) {
paragraph.setAlignment(Element.ALIGN_RIGHT);
} else if (align.equalsIgnoreCase("justify")) {
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
}
});
paragraph.setHyphenation(getHyphenation(props));
setParagraphLeading(paragraph, props.getProperty("leading"));
props.findProperty("before")
.flatMap(NumberUtilities::parseFloat)
.ifPresent(paragraph::setSpacingBefore);
props.findProperty("after")
.flatMap(NumberUtilities::parseFloat)
.ifPresent(paragraph::setSpacingAfter);
props.findProperty("extraparaspace")
.flatMap(NumberUtilities::parseFloat)
.ifPresent(paragraph::setExtraParagraphSpace);
}
public static Paragraph createParagraph(ChainedProperties props) {
Paragraph paragraph = new Paragraph();
createParagraph(paragraph, props);
return paragraph;
}
public static ListItem createListItem(ChainedProperties props) {
ListItem item = new ListItem();
createParagraph(item, props);
return item;
}
/**
* Gets a HyphenationEvent based on the hyphenation entry in ChainedProperties.
*
* @param props ChainedProperties
* @return a HyphenationEvent
* @since 2.1.2
*/
public static HyphenationEvent getHyphenation(ChainedProperties props) {
return getHyphenation(props.getProperty("hyphenation"));
}
/**
* Gets a HyphenationEvent based on the hyphenation entry in a HashMap.
*
* @param props a HashMap with properties
* @return a HyphenationEvent
* @since 2.1.2
*/
public static HyphenationEvent getHyphenation(HashMap props) {
return getHyphenation((String) props.get("hyphenation"));
}
/**
* Gets a HyphenationEvent based on a String.
* For instance "en_UK,3,2" returns new HyphenationAuto("en", "UK", 3, 2);
*
* @param s a String, for instance "en_UK,2,2"
* @return a HyphenationEvent
* @since 2.1.2
*/
@Nullable
public static HyphenationEvent getHyphenation(@Nullable String s) {
if (s == null || s.length() == 0) {
return null;
}
String lang = s;
String country = null;
int leftMin = 2;
int rightMin = 2;
int pos = s.indexOf('_');
if (pos == -1) {
return new HyphenationAuto(lang, country, leftMin, rightMin);
}
lang = s.substring(0, pos);
country = s.substring(pos + 1);
pos = country.indexOf(',');
if (pos == -1) {
return new HyphenationAuto(lang, country, leftMin, rightMin);
}
s = country.substring(pos + 1);
country = country.substring(0, pos);
pos = s.indexOf(',');
if (pos == -1) {
leftMin = Integer.parseInt(s);
} else {
leftMin = Integer.parseInt(s.substring(0, pos));
rightMin = Integer.parseInt(s.substring(pos + 1));
}
return new HyphenationAuto(lang, country, leftMin, rightMin);
}
/**
* This method isn't used by iText, but you can use it to analyze
* the value of a style attribute inside a HashMap.
* The different elements of the style attribute are added to the
* HashMap as key-value pairs.
*
* @param h a HashMap that should have at least a key named
* style. After this method is invoked, more keys could be added.
*
* @deprecated use {@link FactoryProperties#insertStyle(Map)} instead. (since 1.2.22)
*/
@SuppressWarnings("unchecked")
@Deprecated
public static void insertStyle(HashMap h) {
insertStyle((Map) h);
}
public static void insertStyle(Map h) {
String style = h.get("style");
if (style == null)
return;
Properties prop = Markup.parseAttributes(style);
for (Object o : prop.keySet()) {
String key = (String) o;
switch (key) {
case Markup.CSS_KEY_FONTFAMILY:
h.put("face", prop.getProperty(key));
break;
case Markup.CSS_KEY_FONTSIZE:
h.put("size", parseLength(prop
.getProperty(key))
+ "pt");
break;
case Markup.CSS_KEY_FONTSTYLE: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals("italic") || ss.equals("oblique"))
h.put("i", null);
break;
}
case Markup.CSS_KEY_FONTWEIGHT: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals("bold") || ss.equals("700") || ss.equals("800")
|| ss.equals("900"))
h.put("b", null);
break;
}
case Markup.CSS_KEY_TEXTDECORATION: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals(Markup.CSS_VALUE_UNDERLINE))
h.put("u", null);
break;
}
case Markup.CSS_KEY_COLOR:
Color c = Markup.decodeColor(prop.getProperty(key));
if (c != null) {
int hh = c.getRGB();
String hs = Integer.toHexString(hh);
hs = "000000" + hs;
hs = "#" + hs.substring(hs.length() - 6);
h.put("color", hs);
}
break;
case Markup.CSS_KEY_LINEHEIGHT: {
String ss = prop.getProperty(key).trim();
float v = parseLength(prop.getProperty(key));
if (ss.endsWith("%")) {
h.put("leading", "0," + (v / 100));
} else if ("normal".equalsIgnoreCase(ss)) {
h.put("leading", "0,1.5");
} else {
h.put("leading", v + ",0");
}
break;
}
case Markup.CSS_KEY_TEXTALIGN: {
String ss = prop.getProperty(key).trim().toLowerCase();
h.put("align", ss);
break;
}
}
}
}
/**
* New method contributed by Lubos Strapko
*
* @param h a Map
* @param cprops the ChainedProperties
* @since 2.1.3
*/
public static void insertStyle(Map h, ChainedProperties cprops) {
String style = h.get("style");
if (style == null)
return;
Properties prop = Markup.parseAttributes(style);
for (Object o : prop.keySet()) {
String key = (String) o;
switch (key) {
case Markup.CSS_KEY_FONTFAMILY:
h.put(ElementTags.FACE, prop.getProperty(key));
break;
case Markup.CSS_KEY_FONTSIZE: {
float actualFontSize = parseLength(cprops.getProperty(ElementTags.SIZE), Markup.DEFAULT_FONT_SIZE);
if (actualFontSize <= 0f)
actualFontSize = Markup.DEFAULT_FONT_SIZE;
h.put(ElementTags.SIZE, parseLength(prop
.getProperty(key), actualFontSize)
+ "pt");
break;
}
case Markup.CSS_KEY_FONTSTYLE: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals("italic") || ss.equals("oblique"))
h.put("i", null);
break;
}
case Markup.CSS_KEY_FONTWEIGHT: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals("bold") || ss.equals("700") || ss.equals("800")
|| ss.equals("900"))
h.put("b", null);
break;
}
case Markup.CSS_KEY_TEXTDECORATION: {
String ss = prop.getProperty(key).trim().toLowerCase();
if (ss.equals(Markup.CSS_VALUE_UNDERLINE))
h.put("u", null);
break;
}
case Markup.CSS_KEY_COLOR:
Color c = Markup.decodeColor(prop.getProperty(key));
if (c != null) {
int hh = c.getRGB();
String hs = Integer.toHexString(hh);
hs = "000000" + hs;
hs = "#" + hs.substring(hs.length() - 6);
h.put("color", hs);
}
break;
case Markup.CSS_KEY_LINEHEIGHT: {
String ss = prop.getProperty(key).trim();
float actualFontSize = parseLength(cprops.getProperty(ElementTags.SIZE),
Markup.DEFAULT_FONT_SIZE);
if (actualFontSize <= 0f)
actualFontSize = Markup.DEFAULT_FONT_SIZE;
float v = parseLength(prop.getProperty(key), actualFontSize);
if (ss.endsWith("%")) {
h.put("leading", "0," + (v / 100));
return;
}
if ("normal".equalsIgnoreCase(ss)) {
h.put("leading", "0,1.5");
return;
}
// Covering a case of line-height being a number
if (v != 0 && Character.isDigit(ss.charAt(ss.length() - 1))) {
h.put("leading", "0," + v);
} else {
h.put("leading", v + ",0");
}
break;
}
case Markup.CSS_KEY_TEXTALIGN: {
String ss = prop.getProperty(key).trim().toLowerCase();
h.put("align", ss);
break;
}
case Markup.CSS_KEY_PADDINGLEFT: {
String ss = prop.getProperty(key).trim().toLowerCase();
h.put("indent", Float.toString(parseLength(ss)));
break;
}
}
}
}
public Chunk createChunk(String text, ChainedProperties props) {
Font font = getFont(props);
float size = font.getSize();
size /= 2;
Chunk chunk = new Chunk(text, font);
if (props.hasProperty("sub")) {
chunk.setTextRise(-size);
} else if (props.hasProperty("sup")) {
chunk.setTextRise(size);
}
chunk.setHyphenation(getHyphenation(props));
return chunk;
}
public Font getFont(ChainedProperties props) {
String face = props.getProperty(ElementTags.FACE);
if (face != null) {
StringTokenizer tokenizer = new StringTokenizer(face, ",");
while (tokenizer.hasMoreTokens()) {
face = tokenizer.nextToken().trim();
if (face.startsWith("\""))
face = face.substring(1);
if (face.endsWith("\""))
face = face.substring(0, face.length() - 1);
if (fontImp.isRegistered(face))
break;
}
}
int style = 0;
if (props.hasProperty(HtmlTags.I))
style |= Font.ITALIC;
if (props.hasProperty(HtmlTags.B))
style |= Font.BOLD;
if (props.hasProperty(HtmlTags.U))
style |= Font.UNDERLINE;
if (props.hasProperty(HtmlTags.S))
style |= Font.STRIKETHRU;
float size = props.findProperty(ElementTags.SIZE)
.flatMap(NumberUtilities::parseFloat)
.orElse(12f);
Color color = Markup.decodeColor(props.getProperty("color"));
String encoding = props.getOrDefault("encoding", BaseFont.WINANSI);
return fontImp.getFont(face, encoding, true, size, style, color);
}
public FontProvider getFontImp() {
return fontImp;
}
public void setFontImp(FontProvider fontImp) {
this.fontImp = fontImp;
}
}
