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-rw-r--r--src/com/softsynth/util/XMLReader.java328
1 files changed, 0 insertions, 328 deletions
diff --git a/src/com/softsynth/util/XMLReader.java b/src/com/softsynth/util/XMLReader.java
deleted file mode 100644
index 181097c..0000000
--- a/src/com/softsynth/util/XMLReader.java
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * Copyright 1997 Phil Burk, Mobileer Inc
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.softsynth.util;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.PushbackInputStream;
-import java.io.StreamCorruptedException;
-import java.util.Hashtable;
-
-/**
- * Parse an XML stream using a simple State Machine XMLReader does not buffer the input stream so
- * you may want to do that yourself using a BufferedInputStream.
- *
- * @author (C) 1997 Phil Burk
- * @see XMLListener
- * @see XMLPrinter
- */
-
-public class XMLReader extends PushbackInputStream {
- XMLListener listener;
- final static int IDLE = 0;
- final static int INTAG = 0;
- static int depth = 0;
-
- final static int STATE_TOP = 0;
- final static int STATE_TAG_NAME = 1;
- final static int STATE_TAG_FIND_ANGLE = 2;
- final static int STATE_TAG_ATTR_NAME = 3;
- final static int STATE_TAG_FIND_EQUAL = 4;
- final static int STATE_TAG_FIND_QUOTE = 5;
- final static int STATE_TAG_ATTR_VALUE = 6;
- final static int STATE_CONTENT = 7;
- final static int STATE_CHECK_END = 8;
- final static int STATE_TAG_SKIP = 9;
-
- public void setXMLListener(XMLListener listener) {
- this.listener = listener;
- }
-
- public XMLReader(InputStream stream) {
- super(stream);
- }
-
- /**
- * Read a unicode character from a UTF8 stream.
- *
- * @throws IOException
- */
- private int readChar() throws IOException {
- int c = read();
- if (c < 0)
- return c; // EOF
- else if (c < 128)
- return c; // regular ASCII char
- // We are probably starting a multi-byte character.
- {
- byte[] bar = null;
- if (c < 0xE0)
- bar = new byte[2];
- else if (c < 0xF0)
- bar = new byte[3];
- else if (c < 0xF8)
- bar = new byte[4];
- else if (c < 0xFC)
- bar = new byte[5];
- else if (c < 0xFE)
- bar = new byte[6];
- bar[0] = (byte) c;
- // Gather the rest of the bytes used to encode this character.
- for (int i = 1; i < bar.length; i++) {
- c = read();
- if ((c & 0xc0) != 0x80)
- throw new IOException("invalid UTF8 continuation " + Integer.toHexString(c));
- bar[i] = (byte) c;
- }
- return new String(bar, "UTF8").charAt(0);
- }
- }
-
- /*****************************************************************
- */
- public void parse() throws IOException {
- int i;
- char c;
-
- while (true) {
- i = readChar();
- if (i < 0)
- break; // got end of file
- c = (char) i;
-
- if (c == '<') {
- parseElement();
- } else if (!Character.isWhitespace(c)) {
- throw new StreamCorruptedException(
- "Unexpected character. This doesn't look like an XML file!");
- }
- }
- }
-
- String charToString(char c) {
- String s;
- switch (c) {
- case '\r':
- s = "\\r";
- break;
- case '\n':
- s = "\\n";
- break;
- case '\t':
- s = "\\t";
- break;
- default:
- if (Character.isWhitespace(c))
- s = " ";
- else
- s = "" + c;
- break;
- }
- return s;
- }
-
- boolean isStringWhite(String s) {
- if (s == null)
- return true;
- int len = s.length();
- for (int i = 0; i < len; i++) {
- if (!Character.isWhitespace(s.charAt(i))) {
- return false;
- }
- }
- return true;
- }
-
- /*****************************************************************
- */
- void parseElement() throws IOException {
- int state = STATE_TAG_NAME;
- int i;
- char c;
- String tagName = "";
- String name = null, value = null;
- boolean ifEmpty = false;
- boolean endTag = false;
- boolean done = false;
- boolean skipWhiteSpace = true;
- char endQuote = '"'; // may also be single quote
- String content = null;
- Hashtable attributes = new Hashtable();
-
- // System.out.println("\nparseElement() ---------- " + depth++);
- while (!done) {
- do {
- i = readChar();
- if (i < 0)
- throw new EOFException("EOF inside element!");
- c = (char) i;
- } while (skipWhiteSpace && Character.isWhitespace(c));
- skipWhiteSpace = false;
-
- // System.out.print("(" + charToString(c) + "," + state + ")" );
-
- switch (state) {
-
- case STATE_TAG_NAME:
- if (Character.isWhitespace(c)) {
- skipWhiteSpace = true;
- state = STATE_TAG_FIND_ANGLE;
- } else if (c == '/') // this tag has no matching end tag
- {
- ifEmpty = true;
- state = STATE_TAG_FIND_ANGLE;
- } else if (c == '>') // end of tag
- {
- if (endTag) {
- listener.endElement(tagName);
- done = true;
- } else {
- listener.beginElement(tagName, attributes, ifEmpty);
- state = STATE_CONTENT;
- }
- } else if (c == '?') {
- state = STATE_TAG_SKIP; // got version stuff so skip to end
- } else if (c == '!') // FIXME - parse for "--"
- {
- state = STATE_TAG_SKIP; // got comment
- } else {
- tagName += c;
- }
- break;
-
- case STATE_TAG_SKIP:
- if (c == '>') {
- done = true;
- }
- break;
-
- case STATE_TAG_FIND_ANGLE:
- if (c == '/') // this tag has no matching end tag
- {
- ifEmpty = true;
- } else if (c == '>') {
- if (endTag) {
- listener.endElement(tagName);
- done = true;
- } else {
- listener.beginElement(tagName, attributes, ifEmpty);
- state = STATE_CONTENT;
- done = ifEmpty;
- }
- } else {
- state = STATE_TAG_ATTR_NAME;
- name = "" + c;
- }
- break;
-
- case STATE_TAG_ATTR_NAME:
- if (Character.isWhitespace(c)) {
- skipWhiteSpace = true;
- state = STATE_TAG_FIND_EQUAL;
- } else if (c == '=') {
- skipWhiteSpace = true;
- state = STATE_TAG_FIND_QUOTE;
- } else {
- name += c;
- }
- break;
-
- case STATE_TAG_FIND_EQUAL:
- if (c == '=') {
- skipWhiteSpace = true;
- state = STATE_TAG_FIND_QUOTE;
- } else {
- throw new StreamCorruptedException("Found " + charToString(c)
- + ", expected =.");
- }
- break;
-
- case STATE_TAG_FIND_QUOTE:
- if (c == '"') {
- state = STATE_TAG_ATTR_VALUE;
- value = "";
- endQuote = '"';
- } else if (c == '\'') {
- state = STATE_TAG_ATTR_VALUE;
- value = "";
- endQuote = '\'';
- } else {
- throw new StreamCorruptedException("Found " + charToString(c)
- + ", expected '\"'.");
- }
- break;
-
- case STATE_TAG_ATTR_VALUE:
- if (c == endQuote) {
- attributes.put(name, value);
- // System.out.println("\ngot " + name + " = " + value );
- skipWhiteSpace = true;
- state = STATE_TAG_FIND_ANGLE;
- } else {
- value += c;
- }
- break;
-
- case STATE_CONTENT:
- if (c == '<') {
- state = STATE_CHECK_END;
- if (!isStringWhite(content)) {
- String unescaped = com.softsynth.util.XMLTools.unescapeText(content);
- listener.foundContent(unescaped);
- }
- content = null;
- } else {
- if (content == null)
- content = "";
- content += c;
- }
- break;
-
- case STATE_CHECK_END:
- if (c == '/') {
- endTag = true;
- state = STATE_TAG_NAME;
- tagName = "";
- } else {
- unread(c);
- parseElement();
- state = STATE_CONTENT;
- }
- break;
- }
- }
- // System.out.println("\nparseElement: returns, " + --depth );
- }
-
- /**
- * Get a single attribute from the Hashtable. Use the default if not found.
- */
- public static int getAttribute(Hashtable attributes, String key, int defaultValue) {
- String s = (String) attributes.get(key);
- return (s == null) ? defaultValue : Integer.parseInt(s);
- }
-
- /**
- * Get a single attribute from the Hashtable. Use the default if not found.
- */
- public static double getAttribute(Hashtable attributes, String key, double defaultValue) {
- String s = (String) attributes.get(key);
- return (s == null) ? defaultValue : Double.valueOf(s).doubleValue();
- }
-
-}
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