/*
* Copyright (C) 2007-2009 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.geometerplus.fbreader.formats.txt;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.*;
import org.geometerplus.zlibrary.core.filesystem.ZLFile;
import org.geometerplus.fbreader.bookmodel.*;
import org.geometerplus.zlibrary.core.xml.*;
import org.geometerplus.zlibrary.text.model.ZLTextParagraph;
public final class TxtReader extends BookReader implements ZLXMLReader {
private int myBufferSize = 65536;
public TxtReader(BookModel model) {
super(model);
}
public boolean isEnd(String tmpstr){
// if(tmpstr==null||tmpstr.trim().equals("")){
// return true;
// }else{
char laststr = tmpstr.charAt(tmpstr.length()-1);
if(laststr=='。'){
return true;
}
if(laststr=='”'){
return true;
}
if(laststr=='！'){
return true;
}
if(laststr=='？'){
return true;
}
if(laststr=='.'){
return true;
}
if(laststr=='!'){
return true;
}
if(laststr=='?'){
return true;
}
if(laststr=='」'){
return true;
}
if(laststr==':'){
return true;
}
if(laststr=='：'){
return true;
}
if(laststr=='’'){
return true;
}
if(laststr=='\''){
return true;
}
if(laststr=='"'){
return true;
}
if(laststr=='）'){
return true;
}
if(laststr==')'){
return true;
}
return false;
// }
}
boolean readBook(ZLFile file) {
InputStream inputstream = null;
try {
inputstream = file.getInputStream();
} catch (IOException e) {
}
if (inputstream == null) {
return false;
}
startDocumentHandler();
beginParagraph(ZLTextParagraph.Kind.TEXT_PARAGRAPH);
InputStreamReader streamReader = null;
try {
// System.out.println("--hym--4:"+Model.Book.getEncoding());
streamReader = new InputStreamReader(inputstream, Model.Book.getEncoding());
char[] buffer = new char[myBufferSize];
String tmpstr="";
boolean flag = false;
while (true) {
int count = streamReader.read(buffer);
// System.out.println(count);
if (count <= 0) {
streamReader.close();
break;
}
if(Model.Book.getZnFlag()){
//智能处理文本，速度慢。
String str= new String(buffer,0,count);
String[] strarr=str.split("\n");
if(buffer[count-1] != '\n'){
flag=true;
}else{
flag=false;
}
// 处理文本
String ttstr="";
for(int i=0;i<strarr.length;i++){
String ttmpstr=strarr[i].trim();
ttmpstr=ttmpstr.replaceAll(" ", "");
// if(ttmpstr.startsWith("file:///")){
// ttmpstr="";
// }
ttstr+=ttmpstr;
if(i==0){
ttstr=tmpstr+ttstr;
tmpstr="";
}
if(i==strarr.length-1&&flag){
tmpstr=ttstr;
break;
}
// ttstr=ttstr.trim();
if(!ttstr.equals("")){
if(ttmpstr.length()>28){//要判断 最后是不是标点符号，来确定是否一个段落，还是txt为了看的方便自己的做的换行。
if(isEnd(ttstr)){
ttstr=" "+ttstr+"\r\n";
characterDataHandler(ttstr.toCharArray(), 0,ttstr.length());
endParagraph();
beginParagraph(ZLTextParagraph.Kind.TEXT_PARAGRAPH);
ttstr="";
}else{
if(i==strarr.length-1){
tmpstr=ttstr;
break;
}
}
}else{//字数 少 就直接是段落
ttstr=" "+ttstr+"\r\n";
characterDataHandler(ttstr.toCharArray(), 0,ttstr.length());
endParagraph();
beginParagraph(ZLTextParagraph.Kind.TEXT_PARAGRAPH);
ttstr="";
}
}
}
}else{//普通加载 速度快。
int start = 0;
for (int i = 0; i < count; i++) {
if (buffer[i] == '\n') {
if (start != i) {
characterDataHandler(buffer, start, i - start);
// System.out.println(new String(buffer, start, i - start));
endParagraph();
beginParagraph(ZLTextParagraph.Kind.TEXT_PARAGRAPH);
}
start = i + 1;
} else if (buffer[i] == '\r') {
continue;
} else if (buffer[i] == ' ' || buffer[i] == '\t') {
buffer[i] = ' ';
if(i-2>=0&&buffer[i-1] == ' '&&buffer[i-2] == ' '){
buffer[i-2] = ' ';
}
} else {
}
}
if (start != count) {
characterDataHandlerFinal(buffer, start, count - start);
}
}
}
if(!tmpstr.equals("")){
tmpstr=" "+tmpstr+"\r\n";
characterDataHandler(tmpstr.toCharArray(), 0,tmpstr.length());
}
endParagraph();
endDocumentHandler();
} catch (Exception e1) {
//
e1.printStackTrace();
} finally {
try {
inputstream.close();
} catch (IOException e) {
}
}
return true;
}
public void startDocumentHandler() {
setMainTextModel();
}
public void endDocumentHandler() {
unsetCurrentTextModel();
}
public boolean dontCacheAttributeValues() {
return true;
}
public void characterDataHandler(char[] ch, int start, int length) {
if (length == 0) {
return;
}
addData(ch, start, length,false);
}
public void characterDataHandlerFinal(char[] ch, int start, int length) {
if (length == 0) {
return;
}
//addDataFinal(ch, start, length,false);
addData(ch, start, length,false);
}
public boolean endElementHandler(String tagName) {
return false;
}
public boolean startElementHandler(String tagName, ZLStringMap attributes) {
return false;
}
private static ArrayList ourExternalDTDs = new ArrayList();
public ArrayList externalDTDs() {
if (ourExternalDTDs.isEmpty()) {
ourExternalDTDs.add("data/formats/fb2/FBReaderVersion.ent");
}
return ourExternalDTDs;
}
// @Override
// public void namespaceListChangedHandler(HashMap namespaces) {
//
// }
@Override
public boolean processNamespaces() {
return false;
}
@Override
public void addExternalEntities(HashMap<String, char[]> entityMap) {
//
}
@Override
public void namespaceMapChangedHandler(Map<String, String> namespaces) {
//
}
}