401 lines
17 KiB
C#
401 lines
17 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Globalization;
|
|
using System.util;
|
|
using iTextSharp.text;
|
|
using iTextSharp.text.html;
|
|
using iTextSharp.text.pdf;
|
|
/*
|
|
* 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.
|
|
*
|
|
* 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/
|
|
*/
|
|
|
|
namespace iTextSharp.text.html.simpleparser {
|
|
|
|
/**
|
|
*
|
|
* @author psoares
|
|
*/
|
|
public class FactoryProperties {
|
|
|
|
private FontFactoryImp fontImp = FontFactory.FontImp;
|
|
|
|
/** Creates a new instance of FactoryProperties */
|
|
public FactoryProperties() {
|
|
}
|
|
|
|
public Chunk CreateChunk(String text, ChainedProperties props) {
|
|
Font font = GetFont(props);
|
|
float size = font.Size;
|
|
size /= 2;
|
|
Chunk ck = new Chunk(text, font);
|
|
if (props.HasProperty("sub"))
|
|
ck.SetTextRise(-size);
|
|
else if (props.HasProperty("sup"))
|
|
ck.SetTextRise(size);
|
|
ck.SetHyphenation(GetHyphenation(props));
|
|
return ck;
|
|
}
|
|
|
|
private static void SetParagraphLeading(Paragraph p, String leading) {
|
|
if (leading == null) {
|
|
p.SetLeading(0, 1.5f);
|
|
return;
|
|
}
|
|
try {
|
|
StringTokenizer tk = new StringTokenizer(leading, " ,");
|
|
String v = tk.NextToken();
|
|
float v1 = float.Parse(v, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
if (!tk.HasMoreTokens()) {
|
|
p.SetLeading(v1, 0);
|
|
return;
|
|
}
|
|
v = tk.NextToken();
|
|
float v2 = float.Parse(v, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
p.SetLeading(v1, v2);
|
|
}
|
|
catch {
|
|
p.SetLeading(0, 1.5f);
|
|
}
|
|
|
|
}
|
|
|
|
public static void CreateParagraph(Paragraph p, ChainedProperties props) {
|
|
String value = props["align"];
|
|
if (value != null) {
|
|
if (Util.EqualsIgnoreCase(value, "center"))
|
|
p.Alignment = Element.ALIGN_CENTER;
|
|
else if (Util.EqualsIgnoreCase(value, "right"))
|
|
p.Alignment = Element.ALIGN_RIGHT;
|
|
else if (Util.EqualsIgnoreCase(value, "justify"))
|
|
p.Alignment = Element.ALIGN_JUSTIFIED;
|
|
}
|
|
p.Hyphenation = GetHyphenation(props);
|
|
SetParagraphLeading(p, props["leading"]);
|
|
value = props["before"];
|
|
if (value != null) {
|
|
try {
|
|
p.SpacingBefore = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
}
|
|
catch {}
|
|
}
|
|
value = props["after"];
|
|
if (value != null) {
|
|
try {
|
|
p.SpacingAfter = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
}
|
|
catch {}
|
|
}
|
|
value = props["extraparaspace"];
|
|
if (value != null) {
|
|
try {
|
|
p.ExtraParagraphSpace = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
}
|
|
catch {}
|
|
}
|
|
}
|
|
|
|
public static Paragraph CreateParagraph(ChainedProperties props) {
|
|
Paragraph p = new Paragraph();
|
|
CreateParagraph(p, props);
|
|
return p;
|
|
}
|
|
|
|
public static ListItem CreateListItem(ChainedProperties props) {
|
|
ListItem p = new ListItem();
|
|
CreateParagraph(p, props);
|
|
return p;
|
|
}
|
|
|
|
public Font GetFont(ChainedProperties props) {
|
|
String face = props[ElementTags.FACE];
|
|
if (face != null) {
|
|
StringTokenizer tok = new StringTokenizer(face, ",");
|
|
while (tok.HasMoreTokens()) {
|
|
face = tok.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 ;
|
|
|
|
String value = props[ElementTags.SIZE];
|
|
float size = 12;
|
|
if (value != null)
|
|
size = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
|
|
Color color = Markup.DecodeColor(props["color"]);
|
|
String encoding = props["encoding"];
|
|
if (encoding == null)
|
|
encoding = BaseFont.WINANSI;
|
|
return fontImp.GetFont(face, encoding, true, size, style, color);
|
|
}
|
|
|
|
/**
|
|
* Gets a HyphenationEvent based on the hyphenation entry in ChainedProperties.
|
|
* @param props ChainedProperties
|
|
* @return a HyphenationEvent
|
|
* @since 2.1.2
|
|
*/
|
|
public static IHyphenationEvent GetHyphenation(ChainedProperties props) {
|
|
return GetHyphenation(props["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 IHyphenationEvent GetHyphenation(Hashtable props) {
|
|
return GetHyphenation((String)props["hyphenation"]);
|
|
}
|
|
|
|
/**
|
|
* Gets a HyphenationEvent based on a String.
|
|
* For instance "en_UK,3,2" returns new HyphenationAuto("en", "UK", 3, 2);
|
|
* @param a String, for instance "en_UK,2,2"
|
|
* @return a HyphenationEvent
|
|
* @since 2.1.2
|
|
*/
|
|
public static IHyphenationEvent GetHyphenation(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 = int.Parse(s);
|
|
}
|
|
else {
|
|
leftMin = int.Parse(s.Substring(0, pos));
|
|
rightMin = int.Parse(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.
|
|
*/
|
|
public static void InsertStyle(Hashtable h) {
|
|
String style = (String)h["style"];
|
|
if (style == null)
|
|
return;
|
|
Properties prop = Markup.ParseAttributes(style);
|
|
foreach (String key in prop.Keys) {
|
|
if (key.Equals(Markup.CSS_KEY_FONTFAMILY)) {
|
|
h["face"] = prop[key];
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTSIZE)) {
|
|
h["size"] = Markup.ParseLength(prop[key]).ToString(NumberFormatInfo.InvariantInfo) + "pt";
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTSTYLE)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals("italic") || ss.Equals("oblique"))
|
|
h["i"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTWEIGHT)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals("bold") || ss.Equals("700") || ss.Equals("800") || ss.Equals("900"))
|
|
h["b"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_TEXTDECORATION)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals(Markup.CSS_VALUE_UNDERLINE))
|
|
h["u"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_COLOR)) {
|
|
Color c = Markup.DecodeColor(prop[key]);
|
|
if (c != null) {
|
|
int hh = c.ToArgb() & 0xffffff;
|
|
String hs = "#" + hh.ToString("X06", NumberFormatInfo.InvariantInfo);
|
|
h["color"] = hs;
|
|
}
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_LINEHEIGHT)) {
|
|
String ss = prop[key].Trim();
|
|
float v = Markup.ParseLength(prop[key]);
|
|
if (ss.EndsWith("%")) {
|
|
v /= 100;
|
|
h["leading"] = "0," + v.ToString(NumberFormatInfo.InvariantInfo);
|
|
}
|
|
else if (Util.EqualsIgnoreCase("normal", ss)) {
|
|
h["leading"] = "0,1.5";
|
|
}
|
|
else {
|
|
h["leading"] = v.ToString(NumberFormatInfo.InvariantInfo) + ",0";
|
|
}
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_TEXTALIGN)) {
|
|
String ss = prop[key].Trim().ToLower(System.Globalization.CultureInfo.InvariantCulture);
|
|
h["align"] = ss;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* New method contributed by Lubos Strapko
|
|
* @param h
|
|
* @param cprops
|
|
* @since 2.1.3
|
|
*/
|
|
public static void InsertStyle(Hashtable h, ChainedProperties cprops) {
|
|
String style = (String)h["style"];
|
|
if (style == null)
|
|
return;
|
|
Properties prop = Markup.ParseAttributes(style);
|
|
foreach (String key in prop.Keys) {
|
|
if (key.Equals(Markup.CSS_KEY_FONTFAMILY)) {
|
|
h["face"] = prop[key];
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTSIZE)) {
|
|
float actualFontSize = Markup.ParseLength(cprops[ElementTags.SIZE], Markup.DEFAULT_FONT_SIZE);
|
|
if (actualFontSize <= 0f)
|
|
actualFontSize = Markup.DEFAULT_FONT_SIZE;
|
|
h[ElementTags.SIZE] = Markup.ParseLength(prop[key], actualFontSize).ToString(NumberFormatInfo.InvariantInfo) + "pt";
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTSTYLE)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals("italic") || ss.Equals("oblique"))
|
|
h["i"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_FONTWEIGHT)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals("bold") || ss.Equals("700") || ss.Equals("800") || ss.Equals("900"))
|
|
h["b"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_TEXTDECORATION)) {
|
|
String ss = prop[key].Trim().ToLower(CultureInfo.InvariantCulture);
|
|
if (ss.Equals(Markup.CSS_VALUE_UNDERLINE))
|
|
h["u"] = null;
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_COLOR)) {
|
|
Color c = Markup.DecodeColor(prop[key]);
|
|
if (c != null) {
|
|
int hh = c.ToArgb() & 0xffffff;
|
|
String hs = "#" + hh.ToString("X06", NumberFormatInfo.InvariantInfo);
|
|
h["color"] = hs;
|
|
}
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_LINEHEIGHT)) {
|
|
String ss = prop[key].Trim();
|
|
float actualFontSize = Markup.ParseLength(cprops[ElementTags.SIZE], Markup.DEFAULT_FONT_SIZE);
|
|
if (actualFontSize <= 0f)
|
|
actualFontSize = Markup.DEFAULT_FONT_SIZE;
|
|
float v = Markup.ParseLength(prop[key], actualFontSize);
|
|
if (ss.EndsWith("%")) {
|
|
v /= 100;
|
|
h["leading"] = "0," + v.ToString(NumberFormatInfo.InvariantInfo);
|
|
}
|
|
else if (Util.EqualsIgnoreCase("normal", ss)) {
|
|
h["leading"] = "0,1.5";
|
|
}
|
|
else {
|
|
h["leading"] = v.ToString(NumberFormatInfo.InvariantInfo) + ",0";
|
|
}
|
|
}
|
|
else if (key.Equals(Markup.CSS_KEY_TEXTALIGN)) {
|
|
String ss = prop[key].Trim().ToLower(System.Globalization.CultureInfo.InvariantCulture);
|
|
h["align"] = ss;
|
|
}
|
|
}
|
|
}
|
|
|
|
public FontFactoryImp FontImp {
|
|
get {
|
|
return fontImp;
|
|
}
|
|
set {
|
|
fontImp = value;
|
|
}
|
|
}
|
|
|
|
public static Hashtable followTags = new Hashtable();
|
|
|
|
static FactoryProperties() {
|
|
followTags["i"] = "i";
|
|
followTags["b"] = "b";
|
|
followTags["u"] = "u";
|
|
followTags["sub"] = "sub";
|
|
followTags["sup"] = "sup";
|
|
followTags["em"] = "i";
|
|
followTags["strong"] = "b";
|
|
followTags["s"] = "s";
|
|
followTags["strike"] = "s";
|
|
}
|
|
}
|
|
} |