/* Generated By:JavaCC: Do not edit this line. HTMLParser.java */
package com.hundsun.jresplus.common.util.html;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.Reader;
import java.io.Writer;
import java.util.Properties;
public class HTMLParser implements HTMLParserConstants {
public static int SUMMARY_LENGTH = 200;
StringBuffer title = new StringBuffer(SUMMARY_LENGTH);
StringBuffer summary = new StringBuffer(SUMMARY_LENGTH * 2);
Properties metaTags = new Properties();
String currentMetaTag = null;
String currentMetaContent = null;
int length = 0;
boolean titleComplete = false;
boolean inTitle = false;
boolean inMetaTag = false;
boolean inStyle = false;
boolean afterTag = false;
boolean afterSpace = false;
String eol = System.getProperty("line.separator");
Reader pipeIn = null;
Writer pipeOut;
private MyPipedInputStream pipeInStream = null;
private PipedOutputStream pipeOutStream = null;
private class MyPipedInputStream extends PipedInputStream {
public MyPipedInputStream() {
super();
}
public MyPipedInputStream(PipedOutputStream src) throws IOException {
super(src);
}
public boolean full() throws IOException {
return this.available() >= PipedInputStream.PIPE_SIZE;
}
}
public HTMLParser(File file) throws FileNotFoundException {
this(new FileInputStream(file));
}
public String getTitle() throws IOException, InterruptedException {
if (pipeIn == null) {
getReader(); // spawn parsing thread
}
while (true) {
synchronized (this) {
if (titleComplete || pipeInStream.full()) {
break;
}
wait(10);
}
}
return title.toString().trim();
}
public Properties getMetaTags() throws IOException, InterruptedException {
if (pipeIn == null) {
getReader(); // spawn parsing thread
}
while (true) {
synchronized (this) {
if (titleComplete || pipeInStream.full()) {
break;
}
wait(10);
}
}
return metaTags;
}
public String getSummary() throws IOException, InterruptedException {
if (pipeIn == null) {
getReader(); // spawn parsing thread
}
while (true) {
synchronized (this) {
if ((summary.length() >= SUMMARY_LENGTH) || pipeInStream.full()) {
break;
}
wait(10);
}
}
if (summary.length() > SUMMARY_LENGTH) {
summary.setLength(SUMMARY_LENGTH);
}
String sum = summary.toString().trim();
String tit = getTitle();
if (sum.startsWith(tit) || sum.equals("")) {
return tit;
} else {
return sum;
}
}
public Reader getReader() throws IOException {
if (pipeIn == null) {
pipeInStream = new MyPipedInputStream();
pipeOutStream = new PipedOutputStream(pipeInStream);
pipeIn = new InputStreamReader(pipeInStream);
pipeOut = new OutputStreamWriter(pipeOutStream);
Thread thread = new ParserThread(this);
thread.start(); // start parsing
}
return pipeIn;
}
void addToSummary(String text) {
if (summary.length() < SUMMARY_LENGTH) {
summary.append(text);
if (summary.length() >= SUMMARY_LENGTH) {
synchronized (this) {
notifyAll();
}
}
}
}
void addText(String text) throws IOException {
if (inStyle) {
return;
}
if (inTitle) {
title.append(text);
} else {
addToSummary(text);
if (!titleComplete && !title.equals("")) { // finished title
synchronized (this) {
titleComplete = true; // tell waiting threads
notifyAll();
}
}
}
length += text.length();
pipeOut.write(text);
afterSpace = false;
}
void addMetaTag() throws IOException {
metaTags.setProperty(currentMetaTag, currentMetaContent);
currentMetaTag = null;
currentMetaContent = null;
return;
}
void addSpace() throws IOException {
if (!afterSpace) {
if (inTitle) {
title.append(" ");
} else {
addToSummary(" ");
}
String space = afterTag ? eol
: " ";
length += space.length();
pipeOut.write(space);
afterSpace = true;
}
}
public final void HTMLDocument() throws ParseException, IOException {
Token t;
label_1:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ScriptStart:
case TagName:
case DeclName:
case Comment1:
case Comment2:
case Word:
case Entity:
case Space:
case Punct:
;
break;
default:
jj_la1[0] = jj_gen;
break label_1;
}
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case TagName:
Tag();
afterTag = true;
break;
case DeclName:
t = Decl();
afterTag = true;
break;
case Comment1:
case Comment2:
CommentTag();
afterTag = true;
break;
case ScriptStart:
ScriptTag();
afterTag = true;
break;
case Word:
t = jj_consume_token(Word);
addText(t.image);
afterTag = false;
break;
case Entity:
t = jj_consume_token(Entity);
addText(Entities.decode(t.image));
afterTag = false;
break;
case Punct:
t = jj_consume_token(Punct);
addText(t.image);
afterTag = false;
break;
case Space:
jj_consume_token(Space);
addSpace();
afterTag = false;
break;
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
jj_consume_token(0);
}
public final void Tag() throws ParseException, IOException {
Token t1;
Token t2;
boolean inImg = false;
t1 = jj_consume_token(TagName);
String tagName = t1.image.toLowerCase();
if (Tags.WS_ELEMS.contains(tagName)) {
addSpace();
}
inTitle = tagName.equalsIgnoreCase("<title"); // keep track if in <TITLE>
inMetaTag = tagName.equalsIgnoreCase("<META"); // keep track if in <META>
inStyle = tagName.equalsIgnoreCase("<STYLE"); // keep track if in <STYLE>
inImg = tagName.equalsIgnoreCase("<img"); // keep track if in <IMG>
label_2:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgName:
;
break;
default:
jj_la1[2] = jj_gen;
break label_2;
}
t1 = jj_consume_token(ArgName);
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgEquals:
jj_consume_token(ArgEquals);
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgValue:
case ArgQuote1:
case ArgQuote2:
t2 = ArgValue();
if (inImg && t1.image.equalsIgnoreCase("alt") && (t2 != null)) {
addText("[" + t2.image + "]");
}
if (inMetaTag
&& (t1.image.equalsIgnoreCase("name")
|| t1.image.equalsIgnoreCase("HTTP-EQUIV")) && (t2 != null)) {
currentMetaTag = t2.image.toLowerCase();
if ((currentMetaTag != null) && (currentMetaContent != null)) {
addMetaTag();
}
}
if (inMetaTag && t1.image.equalsIgnoreCase("content") && (t2 != null)) {
currentMetaContent = t2.image.toLowerCase();
if ((currentMetaTag != null) && (currentMetaContent != null)) {
addMetaTag();
}
}
break;
default:
jj_la1[3] = jj_gen;
;
}
break;
default:
jj_la1[4] = jj_gen;
;
}
}
jj_consume_token(TagEnd);
}
public final Token ArgValue() throws ParseException {
Token t = null;
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgValue:
t = jj_consume_token(ArgValue);
{
if (true) {
return t;
}
}
break;
default:
jj_la1[5] = jj_gen;
if (jj_2_1(2)) {
jj_consume_token(ArgQuote1);
jj_consume_token(CloseQuote1);
{
if (true) {
return t;
}
}
} else {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgQuote1:
jj_consume_token(ArgQuote1);
t = jj_consume_token(Quote1Text);
jj_consume_token(CloseQuote1);
{
if (true) {
return t;
}
}
break;
default:
jj_la1[6] = jj_gen;
if (jj_2_2(2)) {
jj_consume_token(ArgQuote2);
jj_consume_token(CloseQuote2);
{
if (true) {
return t;
}
}
} else {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgQuote2:
jj_consume_token(ArgQuote2);
t = jj_consume_token(Quote2Text);
jj_consume_token(CloseQuote2);
{
if (true) {
return t;
}
}
break;
default:
jj_la1[7] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
}
}
}
throw new Error("Missing return statement in function");
}
public final Token Decl() throws ParseException {
Token t;
t = jj_consume_token(DeclName);
label_3:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgName:
case ArgEquals:
case ArgValue:
case ArgQuote1:
case ArgQuote2:
;
break;
default:
jj_la1[8] = jj_gen;
break label_3;
}
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ArgName:
jj_consume_token(ArgName);
break;
case ArgValue:
case ArgQuote1:
case ArgQuote2:
ArgValue();
break;
case ArgEquals:
jj_consume_token(ArgEquals);
break;
default:
jj_la1[9] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
jj_consume_token(TagEnd);
{
if (true) {
return t;
}
}
throw new Error("Missing return statement in function");
}
public final void CommentTag() throws ParseException {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case Comment1:
jj_consume_token(Comment1);
label_4:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case CommentText1:
;
break;
default:
jj_la1[10] = jj_gen;
break label_4;
}
jj_consume_token(CommentText1);
}
jj_consume_token(CommentEnd1);
break;
case Comment2:
jj_consume_token(Comment2);
label_5:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case CommentText2:
;
break;
default:
jj_la1[11] = jj_gen;
break label_5;
}
jj_consume_token(CommentText2);
}
jj_consume_token(CommentEnd2);
break;
default:
jj_la1[12] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
public final void ScriptTag() throws ParseException {
jj_consume_token(ScriptStart);
label_6:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk()
: jj_ntk) {
case ScriptText:
;
break;
default:
jj_la1[13] = jj_gen;
break label_6;
}
jj_consume_token(ScriptText);
}
jj_consume_token(ScriptEnd);
}
private final boolean jj_2_1(int xla) {
jj_la = xla;
jj_lastpos = jj_scanpos = token;
try {
return !jj_3_1();
} catch (LookaheadSuccess ls) {
return true;
} finally {
jj_save(0, xla);
}
}
private final boolean jj_2_2(int xla) {
jj_la = xla;
jj_lastpos = jj_scanpos = token;
try {
return !jj_3_2();
} catch (LookaheadSuccess ls) {
return true;
} finally {
jj_save(1, xla);
}
}
private final boolean jj_3_1() {
if (jj_scan_token(ArgQuote1)) {
return true;
}
if (jj_scan_token(CloseQuote1)) {
return true;
}
return false;
}
private final boolean jj_3_2() {
if (jj_scan_token(ArgQuote2)) {
return true;
}
if (jj_scan_token(CloseQuote2)) {
return true;
}
return false;
}
public HTMLParserTokenManager token_source;
SimpleCharStream jj_input_stream;
public Token token;
public Token jj_nt;
private int jj_ntk;
private Token jj_scanpos;
private Token jj_lastpos;
private int jj_la;
public boolean lookingAhead = false;
//private boolean jj_semLA;
private int jj_gen;
private final int[] jj_la1 = new int[14];
private static int[] jj_la1_0;
static {
jj_la1_0();
}
private static void jj_la1_0() {
jj_la1_0 = new int[] {
0x167e, 0x167e, 0x8000, 0x1c0000, 0x10000, 0x40000, 0x80000, 0x100000,
0x1d8000, 0x1d8000, 0x4000000, 0x10000000, 0x30, 0x2000,
};
}
private final JJCalls[] jj_2_rtns = new JJCalls[2];
private boolean jj_rescan = false;
private int jj_gc = 0;
public HTMLParser(java.io.InputStream stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new HTMLParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
public void ReInit(java.io.InputStream stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
public HTMLParser(java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new HTMLParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
public HTMLParser(HTMLParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
public void ReInit(HTMLParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) {
jj_la1[i] = -1;
}
for (int i = 0; i < jj_2_rtns.length; i++) {
jj_2_rtns[i] = new JJCalls();
}
}
private final Token jj_consume_token(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) {
token = token.next;
} else {
token = token.next = token_source.getNextToken();
}
jj_ntk = -1;
if (token.kind == kind) {
jj_gen++;
if (++jj_gc > 100) {
jj_gc = 0;
for (int i = 0; i < jj_2_rtns.length; i++) {
JJCalls c = jj_2_rtns[i];
while (c != null) {
if (c.gen < jj_gen) {
c.first = null;
}
c = c.next;
}
}
}
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
private static final class LookaheadSuccess extends java.lang.Error {
/** Comment for <code>serialVersionUID</code> */
private static final long serialVersionUID = 3257290223082943792L;
}
private final LookaheadSuccess jj_ls = new LookaheadSuccess();
private final boolean jj_scan_token(int kind) {
if (jj_scanpos == jj_lastpos) {
jj_la--;
if (jj_scanpos.next == null) {
jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
} else {
jj_lastpos = jj_scanpos = jj_scanpos.next;
}
} else {
jj_scanpos = jj_scanpos.next;
}
if (jj_rescan) {
int i = 0;
Token tok = token;
while ((tok != null) && (tok != jj_scanpos)) {
i++;
tok = tok.next;
}
if (tok != null) {
jj_add_error_token(kind, i);
}
}
if (jj_scanpos.kind != kind) {
return true;
}
if ((jj_la == 0) && (jj_scanpos == jj_lastpos)) {
throw jj_ls;
}
return false;
}
public final Token getNextToken() {
if (token.next != null) {
token = token.next;
} else {
token = token.next = token_source.getNextToken();
}
jj_ntk = -1;
jj_gen++;
return token;
}
public final Token getToken(int index) {
Token t = lookingAhead ? jj_scanpos
: token;
for (int i = 0; i < index; i++) {
if (t.next != null) {
t = t.next;
} else {
t = t.next = token_source.getNextToken();
}
}
return t;
}
private final int jj_ntk() {
if ((jj_nt = token.next) == null) {
return (jj_ntk = (token.next = token_source.getNextToken()).kind);
} else {
return (jj_ntk = jj_nt.kind);
}
}
@SuppressWarnings("unchecked")
private java.util.Vector jj_expentries = new java.util.Vector();
private int[] jj_expentry;
private int jj_kind = -1;
private int[] jj_lasttokens = new int[100];
private int jj_endpos;
@SuppressWarnings("unchecked")
private void jj_add_error_token(int kind, int pos) {
if (pos >= 100) {
return;
}
if (pos == (jj_endpos + 1)) {
jj_lasttokens[jj_endpos++] = kind;
} else if (jj_endpos != 0) {
jj_expentry = new int[jj_endpos];
for (int i = 0; i < jj_endpos; i++) {
jj_expentry[i] = jj_lasttokens[i];
}
boolean exists = false;
for (java.util.Enumeration e = jj_expentries.elements(); e.hasMoreElements();) {
int[] oldentry = (int[]) (e.nextElement());
if (oldentry.length == jj_expentry.length) {
exists = true;
for (int i = 0; i < jj_expentry.length; i++) {
if (oldentry[i] != jj_expentry[i]) {
exists = false;
break;
}
}
if (exists) {
break;
}
}
}
if (!exists) {
jj_expentries.addElement(jj_expentry);
}
if (pos != 0) {
jj_lasttokens[(jj_endpos = pos) - 1] = kind;
}
}
}
@SuppressWarnings("unchecked")
public ParseException generateParseException() {
jj_expentries.removeAllElements();
boolean[] la1tokens = new boolean[30];
for (int i = 0; i < 30; i++) {
la1tokens[i] = false;
}
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 14; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1 << j)) != 0) {
la1tokens[j] = true;
}
}
}
}
for (int i = 0; i < 30; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.addElement(jj_expentry);
}
}
jj_endpos = 0;
jj_rescan_token();
jj_add_error_token(0, 0);
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = (int[]) jj_expentries.elementAt(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
public final void enable_tracing() {
}
public final void disable_tracing() {
}
private final void jj_rescan_token() {
jj_rescan = true;
for (int i = 0; i < 2; i++) {
JJCalls p = jj_2_rtns[i];
do {
if (p.gen > jj_gen) {
jj_la = p.arg;
jj_lastpos = jj_scanpos = p.first;
switch (i) {
case 0:
jj_3_1();
break;
case 1:
jj_3_2();
break;
}
}
p = p.next;
} while (p != null);
}
jj_rescan = false;
}
private final void jj_save(int index, int xla) {
JJCalls p = jj_2_rtns[index];
while (p.gen > jj_gen) {
if (p.next == null) {
p = p.next = new JJCalls();
break;
}
p = p.next;
}
p.gen = (jj_gen + xla) - jj_la;
p.first = token;
p.arg = xla;
}
static final class JJCalls {
int gen;
Token first;
int arg;
JJCalls next;
}
// void handleException(Exception e) {
// System.out.println(e.toString()); // print the error message
// System.out.println("Skipping...");
// Token t;
// do {
// t = getNextToken();
// } while (t.kind != TagEnd);
// }
}