+++ /dev/null
-/*
- * Copyright (c) 2002-2004 Widespace, OU and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * Igor Malinin - initial contribution
- *
- * $Id: AbstractDocumentProvider.java,v 1.3 2006-10-21 23:14:13 pombredanne Exp $
- */
-
-package net.sourceforge.phpeclipse.xml.ui.internal.text;
-
-import java.io.BufferedInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-import net.sourceforge.phpeclipse.ui.editor.I18NDocumentProvider;
-
-import org.eclipse.jface.text.rules.IWhitespaceDetector;
-
-/**
- *
- *
- * @author Igor Malinin
- */
-public abstract class AbstractDocumentProvider extends I18NDocumentProvider {
- protected IWhitespaceDetector detector = new WhitespaceDetector();
-
- /*
- * @see org.eclipse.ui.editors.text.IStorageDocumentProvider#getDefaultEncoding()
- */
- public String getDefaultEncoding() {
- return "UTF-8";
- }
-
- public String getDeclaredEncoding(InputStream in) throws IOException {
- if (!in.markSupported()) {
- in = new BufferedInputStream(in, 512);
- }
-
- in.mark(512);
- String encoding = super.getDeclaredEncoding(in);
- if (encoding != null) {
- return encoding;
- }
-
- in.reset();
-
- // check Prolog-Start <?xml
- if (!skipXMLDecl(in)) {
- return null;
- }
-
- // detect 'encoding'
- skipEncoding(in);
-
- // read encoding
- int delimiter;
-
- while (true) {
- int ch = in.read();
- if (ch < 0) {
- return null;
- }
-
- if (detector.isWhitespace((char) ch)) {
- continue;
- }
-
- if (ch == '"' || ch == '\'') {
- delimiter = ch;
- break;
- }
-
- return null;
- }
-
- StringBuffer buf = new StringBuffer();
-
- while (true) {
- int ch = in.read();
- if (ch < 0) {
- return null;
- }
-
- if (ch == delimiter) {
- break;
- }
-
- buf.append((char) ch);
- }
-
- return buf.toString();
- }
-
- private boolean skipXMLDecl(InputStream in) throws IOException {
- int ch = in.read();
- if (ch != '<') {
- return false;
- }
-
- ch = in.read();
- if (ch != '?') {
- return false;
- }
-
- ch = in.read();
- if (ch != 'x') {
- return false;
- }
-
- ch = in.read();
- if (ch != 'm') {
- return false;
- }
-
- ch = in.read();
- if (ch != 'l') {
- return false;
- }
-
- return true;
- }
-
- private boolean skipEncoding(InputStream in) throws IOException {
- int ch = in.read();
-
- boolean whitespace = false;
-
- while (true) {
- if (ch < 0) {
- return false;
- }
-
- if (detector.isWhitespace((char) ch)) {
- ch = in.read();
- whitespace = true;
- continue;
- }
-
- if (ch == '?' || ch == '<') {
- return false;
- }
-
- if (ch != 'e') {
- ch = in.read();
- whitespace = false;
- continue;
- }
-
- if (!whitespace) {
- ch = in.read();
- continue;
- }
-
- if ((ch = in.read()) == 'n' && (ch = in.read()) == 'c'
- && (ch = in.read()) == 'o' && (ch = in.read()) == 'd'
- && (ch = in.read()) == 'i' && (ch = in.read()) == 'n'
- && (ch = in.read()) == 'g') {
- break;
- }
-
- whitespace = false;
- }
-
- // '='
- while (true) {
- ch = in.read();
- if (ch < 0) {
- return false;
- }
-
- if (detector.isWhitespace((char) ch)) {
- continue;
- }
-
- if (ch == '=') {
- break;
- }
-
- return false;
- }
-
- return true;
- }
-}
git://git.phpeclipse.com / phpeclipse.git / blobdiff