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Diffstat (limited to 'bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/format/HTMLTextFormatter.java')
-rw-r--r--bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/format/HTMLTextFormatter.java299
1 files changed, 0 insertions, 299 deletions
diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/format/HTMLTextFormatter.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/format/HTMLTextFormatter.java
deleted file mode 100644
index 91aefd3c17..0000000000
--- a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/format/HTMLTextFormatter.java
+++ /dev/null
@@ -1,299 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2004, 2005 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.html.core.internal.format;
-
-
-
-import org.eclipse.wst.html.core.internal.provisional.HTMLCMProperties;
-import org.eclipse.wst.html.core.internal.provisional.HTMLFormatContraints;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
-import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMText;
-import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-
-public class HTMLTextFormatter extends HTMLFormatter {
-
- public static int FORMAT_ALL = 0;
- public static int FORMAT_HEAD = 1;
- public static int FORMAT_TAIL = 2;
-
- /**
- */
- protected HTMLTextFormatter() {
- super();
- }
-
- /**
- */
- private boolean canFormatText(IDOMText text) {
- if (text == null)
- return false;
-
- IStructuredDocumentRegion flatNode = text.getFirstStructuredDocumentRegion();
- if (flatNode != null) {
- String type = flatNode.getType();
- if (isUnparsedRegion(type))
- return false;
- }
-
- Node parent = text.getParentNode();
- if (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
- IDOMElement element = (IDOMElement) parent;
- if (!element.isGlobalTag() && !text.isElementContentWhitespace())
- return false;
- }
-
- return canFormatChild(parent);
- }
-
- private boolean isUnparsedRegion(String type) {
- boolean result = isNestedScannedRegion(type) || isBlockScannedRegion(type);
- return result;
- }
-
- private boolean isBlockScannedRegion(String type) {
- return type == DOMRegionContext.BLOCK_TEXT;
- }
-
- /**
- * ISSUE: this is a bit of hidden JSP knowledge that was implemented this
- * way for expedency. Should be evolved in future to depend on
- * "nestedContext".
- */
- private boolean isNestedScannedRegion(String type) {
- final String JSP_CONTENT = "JSP_CONTENT"; //$NON-NLS-1$
- return type.equals(JSP_CONTENT);
- }
-
- /**
- */
- private boolean canRemoveHeadingSpaces(IDOMNode node) {
- if (node == null)
- return false;
- if (node.getPreviousSibling() != null)
- return false;
- Node parent = node.getParentNode();
- if (parent == null || parent.getNodeType() != Node.ELEMENT_NODE)
- return false;
-
- CMElementDeclaration decl = getElementDeclaration((Element) parent);
- if (decl == null || (!decl.supports(HTMLCMProperties.LINE_BREAK_HINT)))
- return false;
- String hint = (String) decl.getProperty(HTMLCMProperties.LINE_BREAK_HINT);
- return hint.equals(HTMLCMProperties.Values.BREAK_BEFORE_START_AND_AFTER_END);
- }
-
- /**
- */
- private boolean canRemoveTailingSpaces(IDOMNode node) {
- if (node == null)
- return false;
- if (node.getNextSibling() != null)
- return false;
- Node parent = node.getParentNode();
- if (parent == null || parent.getNodeType() != Node.ELEMENT_NODE)
- return false;
-
- CMElementDeclaration decl = getElementDeclaration((Element) parent);
- if (decl == null || (!decl.supports(HTMLCMProperties.LINE_BREAK_HINT)))
- return false;
- String hint = (String) decl.getProperty(HTMLCMProperties.LINE_BREAK_HINT);
- return hint.equals(HTMLCMProperties.Values.BREAK_BEFORE_START_AND_AFTER_END);
- }
-
- /**
- */
- protected void formatNode(IDOMNode node, HTMLFormatContraints contraints) {
- formatText(node, contraints, FORMAT_ALL); // full format
- }
-
- /**
- */
- protected void formatText(IDOMNode node, HTMLFormatContraints contraints, int mode) {
- if (node == null)
- return;
- Node parent = node.getParentNode();
- if (parent == null)
- return;
-
- IDOMText text = (IDOMText) node;
- String source = text.getSource();
-
- if (!canFormatText(text)) {
- setWidth(contraints, source);
- return;
- }
-
- int offset = text.getStartOffset();
- int length = text.getEndOffset() - offset;
-
- // format adjacent text at once
- if (mode == FORMAT_HEAD) {
- Node next = node.getNextSibling();
- while (next != null && next.getNodeType() == Node.TEXT_NODE) {
- IDOMText nextText = (IDOMText) next;
- length += (nextText.getEndOffset() - nextText.getStartOffset());
- String nextSource = nextText.getSource();
- if (nextSource != null && nextSource.length() > 0) {
- if (source == null)
- source = nextSource;
- else
- source += nextSource;
- }
- next = next.getNextSibling();
- }
- }
- else if (mode == FORMAT_TAIL) {
- Node prev = node.getPreviousSibling();
- while (prev != null && prev.getNodeType() == Node.TEXT_NODE) {
- IDOMText prevText = (IDOMText) prev;
- offset = prevText.getStartOffset();
- length += (prevText.getEndOffset() - offset);
- String prevSource = prevText.getSource();
- if (prevSource != null && prevSource.length() > 0) {
- if (source == null)
- source = prevSource;
- else
- source = prevSource + source;
- }
- prev = prev.getPreviousSibling();
- }
- }
-
- SpaceConverter converter = new SpaceConverter(source, keepBlankLines(contraints));
-
- int wordLength = converter.nextWord();
- if (wordLength == 0) { // only spaces
- if (!converter.hasSpaces())
- return; // empty
- boolean removeSpaces = false;
- if (parent.getNodeType() == Node.ELEMENT_NODE) {
- // check if tags are omitted
- IDOMNode element = (IDOMNode) parent;
- if (node.getPreviousSibling() == null && element.getStartStructuredDocumentRegion() == null) {
- removeSpaces = true;
- }
- else if (node.getNextSibling() == null && element.getEndStructuredDocumentRegion() == null) {
- removeSpaces = true;
- }
- }
- if (removeSpaces) {
- converter.replaceSpaces(null);
- }
- else if (!isWidthAvailable(contraints, 2) || canInsertBreakAfter(node) || canInsertBreakBefore(node)) {
- String spaces = null;
- if (node.getNextSibling() == null) { // last spaces
- // use parent indent for the end tag
- spaces = getBreakSpaces(parent);
- }
- else {
- spaces = getBreakSpaces(node);
- }
- converter.replaceSpaces(spaces);
- setWidth(contraints, spaces);
- }
- else if (canRemoveHeadingSpaces(node) || canRemoveTailingSpaces(node)) {
- converter.replaceSpaces(null);
- }
- else {
- converter.compressSpaces();
- addWidth(contraints, 1);
- }
- }
- else {
- String breakSpaces = null;
-
- // format heading spaces
- boolean hasSpaces = converter.hasSpaces();
- if (mode == FORMAT_TAIL) {
- // keep spaces as is
- addWidth(contraints, converter.getSpaceCount());
- }
- else if ((hasSpaces && !isWidthAvailable(contraints, wordLength + 1)) || canInsertBreakBefore(node)) {
- breakSpaces = getBreakSpaces(node);
- converter.replaceSpaces(breakSpaces);
- setWidth(contraints, breakSpaces);
- }
- else {
- if (hasSpaces) {
- if (canRemoveHeadingSpaces(node)) {
- converter.replaceSpaces(null);
- }
- else {
- converter.compressSpaces();
- addWidth(contraints, 1);
- }
- }
- }
- addWidth(contraints, wordLength);
-
- // format middle
- wordLength = converter.nextWord();
- while (wordLength > 0) {
- if (mode != FORMAT_ALL) {
- // keep spaces as is
- addWidth(contraints, converter.getSpaceCount());
- }
- else if (!isWidthAvailable(contraints, wordLength + 1)) {
- if (breakSpaces == null)
- breakSpaces = getBreakSpaces(node);
- converter.replaceSpaces(breakSpaces);
- setWidth(contraints, breakSpaces);
- }
- else {
- converter.compressSpaces();
- addWidth(contraints, 1);
- }
- addWidth(contraints, wordLength);
- wordLength = converter.nextWord();
- }
-
- // format tailing spaces
- hasSpaces = converter.hasSpaces();
- if (mode == FORMAT_HEAD) {
- // keep spaces as is
- addWidth(contraints, converter.getSpaceCount());
- }
- else if ((hasSpaces && !isWidthAvailable(contraints, 2)) || canInsertBreakAfter(node)) {
- if (node.getNextSibling() == null) { // last test
- // use parent indent for the end tag
- breakSpaces = getBreakSpaces(parent);
- }
- else {
- if (breakSpaces == null)
- breakSpaces = getBreakSpaces(node);
- }
- converter.replaceSpaces(breakSpaces);
- setWidth(contraints, breakSpaces);
- }
- else {
- if (hasSpaces) {
- if (canRemoveTailingSpaces(node)) {
- converter.replaceSpaces(null);
- }
- else {
- converter.compressSpaces();
- addWidth(contraints, 1);
- }
- }
- }
- }
-
- if (converter.isModified()) {
- source = converter.getSource();
- replaceSource(text.getModel(), offset, length, source);
- }
- }
-}

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