Move serializer related files in core/editing/ related files into core/editing/serializers/

Source/core/editing/MarkupFormatter.cpp

Index: Source/core/editing/MarkupFormatter.cpp
diff --git a/Source/core/editing/MarkupFormatter.cpp b/Source/core/editing/MarkupFormatter.cpp
deleted file mode 100644
index 2ec4954deb9dd9ba23f99366c7d91295c70a7383..0000000000000000000000000000000000000000
--- a/Source/core/editing/MarkupFormatter.cpp
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/editing/MarkupFormatter.h"
-
-#include "core/HTMLNames.h"
-#include "core/XLinkNames.h"
-#include "core/XMLNSNames.h"
-#include "core/XMLNames.h"
-#include "core/dom/CDATASection.h"
-#include "core/dom/Comment.h"
-#include "core/dom/Document.h"
-#include "core/dom/DocumentFragment.h"
-#include "core/dom/DocumentType.h"
-#include "core/dom/ProcessingInstruction.h"
-#include "core/editing/Editor.h"
-#include "core/html/HTMLElement.h"
-#include "core/html/HTMLTemplateElement.h"
-#include "platform/weborigin/KURL.h"
-#include "wtf/text/CharacterNames.h"
-
-namespace blink {
-
-using namespace HTMLNames;
-
-struct EntityDescription {
-    UChar entity;
-    const CString& reference;
-    EntityMask mask;
-};
-
-template <typename CharType>
-static inline void appendCharactersReplacingEntitiesInternal(StringBuilder& result, CharType* text, unsigned length, const EntityDescription entityMaps[], unsigned entityMapsCount, EntityMask entityMask)
-{
-    unsigned positionAfterLastEntity = 0;
-    for (unsigned i = 0; i < length; ++i) {
-        for (unsigned entityIndex = 0; entityIndex < entityMapsCount; ++entityIndex) {
-            if (text[i] == entityMaps[entityIndex].entity && entityMaps[entityIndex].mask & entityMask) {
-                result.append(text + positionAfterLastEntity, i - positionAfterLastEntity);
-                const CString& replacement = entityMaps[entityIndex].reference;
-                result.append(replacement.data(), replacement.length());
-                positionAfterLastEntity = i + 1;
-                break;
-            }
-        }
-    }
-    result.append(text + positionAfterLastEntity, length - positionAfterLastEntity);
-}
-
-void MarkupFormatter::appendCharactersReplacingEntities(StringBuilder& result, const String& source, unsigned offset, unsigned length, EntityMask entityMask)
-{
-    DEFINE_STATIC_LOCAL(const CString, ampReference, ("&amp;"));
-    DEFINE_STATIC_LOCAL(const CString, ltReference, ("&lt;"));
-    DEFINE_STATIC_LOCAL(const CString, gtReference, ("&gt;"));
-    DEFINE_STATIC_LOCAL(const CString, quotReference, ("&quot;"));
-    DEFINE_STATIC_LOCAL(const CString, nbspReference, ("&nbsp;"));
-
-    static const EntityDescription entityMaps[] = {
-        { '&', ampReference, EntityAmp },
-        { '<', ltReference, EntityLt },
-        { '>', gtReference, EntityGt },
-        { '"', quotReference, EntityQuot },
-        { noBreakSpaceCharacter, nbspReference, EntityNbsp },
-    };
-
-    if (!(offset + length))
-        return;
-
-    ASSERT(offset + length <= source.length());
-    if (source.is8Bit())
-        appendCharactersReplacingEntitiesInternal(result, source.characters8() + offset, length, entityMaps, WTF_ARRAY_LENGTH(entityMaps), entityMask);
-    else
-        appendCharactersReplacingEntitiesInternal(result, source.characters16() + offset, length, entityMaps, WTF_ARRAY_LENGTH(entityMaps), entityMask);
-}
-
-MarkupFormatter::MarkupFormatter(EAbsoluteURLs resolveUrlsMethod, SerializationType serializationType)
-    : m_resolveURLsMethod(resolveUrlsMethod)
-    , m_serializationType(serializationType)
-{
-}
-
-MarkupFormatter::~MarkupFormatter()
-{
-}
-
-String MarkupFormatter::resolveURLIfNeeded(const Element& element, const String& urlString) const
-{
-    switch (m_resolveURLsMethod) {
-    case ResolveAllURLs:
-        return element.document().completeURL(urlString).string();
-
-    case ResolveNonLocalURLs:
-        if (!element.document().url().isLocalFile())
-            return element.document().completeURL(urlString).string();
-        break;
-
-    case DoNotResolveURLs:
-        break;
-    }
-    return urlString;
-}
-
-void MarkupFormatter::appendStartMarkup(StringBuilder& result, const Node& node, Namespaces* namespaces)
-{
-    switch (node.nodeType()) {
-    case Node::TEXT_NODE:
-        ASSERT_NOT_REACHED();
-        break;
-    case Node::COMMENT_NODE:
-        appendComment(result, toComment(node).data());
-        break;
-    case Node::DOCUMENT_NODE:
-        appendXMLDeclaration(result, toDocument(node));
-        break;
-    case Node::DOCUMENT_FRAGMENT_NODE:
-        break;
-    case Node::DOCUMENT_TYPE_NODE:
-        appendDocumentType(result, toDocumentType(node));
-        break;
-    case Node::PROCESSING_INSTRUCTION_NODE:
-        appendProcessingInstruction(result, toProcessingInstruction(node).target(), toProcessingInstruction(node).data());
-        break;
-    case Node::ELEMENT_NODE:
-        ASSERT_NOT_REACHED();
-        break;
-    case Node::CDATA_SECTION_NODE:
-        appendCDATASection(result, toCDATASection(node).data());
-        break;
-    case Node::ATTRIBUTE_NODE:
-        ASSERT_NOT_REACHED();
-        break;
-    }
-}
-
-static bool elementCannotHaveEndTag(const Node& node)
-{
-    if (!node.isHTMLElement())
-        return false;
-
-    // FIXME: ieForbidsInsertHTML may not be the right function to call here
-    // ieForbidsInsertHTML is used to disallow setting innerHTML/outerHTML
-    // or createContextualFragment.  It does not necessarily align with
-    // which elements should be serialized w/o end tags.
-    return toHTMLElement(node).ieForbidsInsertHTML();
-}
-
-void MarkupFormatter::appendEndMarkup(StringBuilder& result, const Element& element)
-{
-    if (shouldSelfClose(element) || (!element.hasChildren() && elementCannotHaveEndTag(element)))
-        return;
-
-    result.appendLiteral("</");
-    result.append(element.tagQName().toString());
-    result.append('>');
-}
-
-void MarkupFormatter::appendAttributeValue(StringBuilder& result, const String& attribute, bool documentIsHTML)
-{
-    appendCharactersReplacingEntities(result, attribute, 0, attribute.length(),
-        documentIsHTML ? EntityMaskInHTMLAttributeValue : EntityMaskInAttributeValue);
-}
-
-void MarkupFormatter::appendQuotedURLAttributeValue(StringBuilder& result, const Element& element, const Attribute& attribute)
-{
-    ASSERT(element.isURLAttribute(attribute));
-    const String resolvedURLString = resolveURLIfNeeded(element, attribute.value());
-    UChar quoteChar = '"';
-    String strippedURLString = resolvedURLString.stripWhiteSpace();
-    if (protocolIsJavaScript(strippedURLString)) {
-        // minimal escaping for javascript urls
-        if (strippedURLString.contains('&'))
-            strippedURLString.replaceWithLiteral('&', "&amp;");
-
-        if (strippedURLString.contains('"')) {
-            if (strippedURLString.contains('\''))
-                strippedURLString.replaceWithLiteral('"', "&quot;");
-            else
-                quoteChar = '\'';
-        }
-        result.append(quoteChar);
-        result.append(strippedURLString);
-        result.append(quoteChar);
-        return;
-    }
-
-    // FIXME: This does not fully match other browsers. Firefox percent-escapes non-ASCII characters for innerHTML.
-    result.append(quoteChar);
-    appendAttributeValue(result, resolvedURLString, false);
-    result.append(quoteChar);
-}
-
-void MarkupFormatter::appendNamespace(StringBuilder& result, const AtomicString& prefix, const AtomicString& namespaceURI, Namespaces& namespaces)
-{
-    if (namespaceURI.isEmpty())
-        return;
-
-    const AtomicString& lookupKey = (!prefix) ? emptyAtom : prefix;
-    AtomicString foundURI = namespaces.get(lookupKey);
-    if (foundURI != namespaceURI) {
-        namespaces.set(lookupKey, namespaceURI);
-        result.append(' ');
-        result.append(xmlnsAtom.string());
-        if (!prefix.isEmpty()) {
-            result.append(':');
-            result.append(prefix);
-        }
-
-        result.appendLiteral("=\"");
-        appendAttributeValue(result, namespaceURI, false);
-        result.append('"');
-    }
-}
-
-void MarkupFormatter::appendText(StringBuilder& result, Text& text)
-{
-    const String& str = text.data();
-    appendCharactersReplacingEntities(result, str, 0, str.length(), entityMaskForText(text));
-}
-
-void MarkupFormatter::appendComment(StringBuilder& result, const String& comment)
-{
-    // FIXME: Comment content is not escaped, but XMLSerializer (and possibly other callers) should raise an exception if it includes "-->".
-    result.appendLiteral("<!--");
-    result.append(comment);
-    result.appendLiteral("-->");
-}
-
-void MarkupFormatter::appendXMLDeclaration(StringBuilder& result, const Document& document)
-{
-    if (!document.hasXMLDeclaration())
-        return;
-
-    result.appendLiteral("<?xml version=\"");
-    result.append(document.xmlVersion());
-    const String& encoding = document.xmlEncoding();
-    if (!encoding.isEmpty()) {
-        result.appendLiteral("\" encoding=\"");
-        result.append(encoding);
-    }
-    if (document.xmlStandaloneStatus() != Document::StandaloneUnspecified) {
-        result.appendLiteral("\" standalone=\"");
-        if (document.xmlStandalone())
-            result.appendLiteral("yes");
-        else
-            result.appendLiteral("no");
-    }
-
-    result.appendLiteral("\"?>");
-}
-
-void MarkupFormatter::appendDocumentType(StringBuilder& result, const DocumentType& n)
-{
-    if (n.name().isEmpty())
-        return;
-
-    result.appendLiteral("<!DOCTYPE ");
-    result.append(n.name());
-    if (!n.publicId().isEmpty()) {
-        result.appendLiteral(" PUBLIC \"");
-        result.append(n.publicId());
-        result.append('"');
-        if (!n.systemId().isEmpty()) {
-            result.appendLiteral(" \"");
-            result.append(n.systemId());
-            result.append('"');
-        }
-    } else if (!n.systemId().isEmpty()) {
-        result.appendLiteral(" SYSTEM \"");
-        result.append(n.systemId());
-        result.append('"');
-    }
-    result.append('>');
-}
-
-void MarkupFormatter::appendProcessingInstruction(StringBuilder& result, const String& target, const String& data)
-{
-    // FIXME: PI data is not escaped, but XMLSerializer (and possibly other callers) this should raise an exception if it includes "?>".
-    result.appendLiteral("<?");
-    result.append(target);
-    result.append(' ');
-    result.append(data);
-    result.appendLiteral("?>");
-}
-
-void MarkupFormatter::appendOpenTag(StringBuilder& result, const Element& element, Namespaces* namespaces)
-{
-    result.append('<');
-    result.append(element.tagQName().toString());
-    if (!serializeAsHTMLDocument(element) && namespaces && shouldAddNamespaceElement(element, *namespaces))
-        appendNamespace(result, element.prefix(), element.namespaceURI(), *namespaces);
-}
-
-void MarkupFormatter::appendCloseTag(StringBuilder& result, const Element& element)
-{
-    if (shouldSelfClose(element)) {
-        if (element.isHTMLElement())
-            result.append(' '); // XHTML 1.0 <-> HTML compatibility.
-        result.append('/');
-    }
-    result.append('>');
-}
-
-static inline bool attributeIsInSerializedNamespace(const Attribute& attribute)
-{
-    return attribute.namespaceURI() == XMLNames::xmlNamespaceURI
-        || attribute.namespaceURI() == XLinkNames::xlinkNamespaceURI
-        || attribute.namespaceURI() == XMLNSNames::xmlnsNamespaceURI;
-}
-
-void MarkupFormatter::appendAttribute(StringBuilder& result, const Element& element, const Attribute& attribute, Namespaces* namespaces)
-{
-    bool documentIsHTML = serializeAsHTMLDocument(element);
-
-    QualifiedName prefixedName = attribute.name();
-    if (documentIsHTML && !attributeIsInSerializedNamespace(attribute)) {
-        result.append(' ');
-        result.append(attribute.name().localName());
-    } else {
-        if (attribute.namespaceURI() == XMLNSNames::xmlnsNamespaceURI) {
-            if (!attribute.prefix() && attribute.localName() != xmlnsAtom)
-                prefixedName.setPrefix(xmlnsAtom);
-            if (namespaces) { // Account for the namespace attribute we're about to append.
-                const AtomicString& lookupKey = (!attribute.prefix()) ? emptyAtom : attribute.localName();
-                namespaces->set(lookupKey, attribute.value());
-            }
-        } else if (attribute.namespaceURI() == XMLNames::xmlNamespaceURI) {
-            if (!attribute.prefix())
-                prefixedName.setPrefix(xmlAtom);
-        } else {
-            if (attribute.namespaceURI() == XLinkNames::xlinkNamespaceURI) {
-                if (!attribute.prefix())
-                    prefixedName.setPrefix(xlinkAtom);
-            }
-
-            if (namespaces && shouldAddNamespaceAttribute(attribute, element)) {
-                if (!prefixedName.prefix()) {
-                    // This behavior is in process of being standardized. See crbug.com/248044 and https://www.w3.org/Bugs/Public/show_bug.cgi?id=24208
-                    String prefixPrefix("ns", 2);
-                    for (unsigned i = attribute.namespaceURI().impl()->existingHash(); ; ++i) {
-                        AtomicString newPrefix(String(prefixPrefix + String::number(i)));
-                        AtomicString foundURI = namespaces->get(newPrefix);
-                        if (foundURI == attribute.namespaceURI() || foundURI == nullAtom) {
-                            // We already generated a prefix for this namespace.
-                            prefixedName.setPrefix(newPrefix);
-                            break;
-                        }
-                    }
-                }
-                ASSERT(prefixedName.prefix());
-                appendNamespace(result, prefixedName.prefix(), attribute.namespaceURI(), *namespaces);
-            }
-        }
-        result.append(' ');
-        result.append(prefixedName.toString());
-    }
-
-    result.append('=');
-
-    if (element.isURLAttribute(attribute)) {
-        appendQuotedURLAttributeValue(result, element, attribute);
-    } else {
-        result.append('"');
-        appendAttributeValue(result, attribute.value(), documentIsHTML);
-        result.append('"');
-    }
-}
-
-void MarkupFormatter::appendCDATASection(StringBuilder& result, const String& section)
-{
-    // FIXME: CDATA content is not escaped, but XMLSerializer (and possibly other callers) should raise an exception if it includes "]]>".
-    result.appendLiteral("<![CDATA[");
-    result.append(section);
-    result.appendLiteral("]]>");
-}
-
-bool MarkupFormatter::shouldAddNamespaceElement(const Element& element, Namespaces& namespaces) const
-{
-    // Don't add namespace attribute if it is already defined for this elem.
-    const AtomicString& prefix = element.prefix();
-    if (prefix.isEmpty()) {
-        if (element.hasAttribute(xmlnsAtom)) {
-            namespaces.set(emptyAtom, element.namespaceURI());
-            return false;
-        }
-        return true;
-    }
-
-    return !element.hasAttribute(WTF::xmlnsWithColon + prefix);
-}
-
-bool MarkupFormatter::shouldAddNamespaceAttribute(const Attribute& attribute, const Element& element) const
-{
-    // xmlns and xmlns:prefix attributes should be handled by another branch in appendAttribute.
-    ASSERT(attribute.namespaceURI() != XMLNSNames::xmlnsNamespaceURI);
-
-    // Attributes are in the null namespace by default.
-    if (!attribute.namespaceURI())
-        return false;
-
-    // Attributes without a prefix will need one generated for them, and an xmlns attribute for that prefix.
-    if (!attribute.prefix())
-        return true;
-
-    return !element.hasAttribute(WTF::xmlnsWithColon + attribute.prefix());
-}
-
-EntityMask MarkupFormatter::entityMaskForText(const Text& text) const
-{
-    if (!serializeAsHTMLDocument(text))
-        return EntityMaskInPCDATA;
-
-    // TODO(hajimehoshi): We need to switch EditingStrategy.
-    const QualifiedName* parentName = nullptr;
-    if (text.parentElement())
-        parentName = &(text.parentElement())->tagQName();
-
-    if (parentName && (*parentName == scriptTag || *parentName == styleTag || *parentName == xmpTag))
-        return EntityMaskInCDATA;
-    return EntityMaskInHTMLPCDATA;
-}
-
-// Rules of self-closure
-// 1. No elements in HTML documents use the self-closing syntax.
-// 2. Elements w/ children never self-close because they use a separate end tag.
-// 3. HTML elements which do not have a "forbidden" end tag will close with a separate end tag.
-// 4. Other elements self-close.
-bool MarkupFormatter::shouldSelfClose(const Element& element) const
-{
-    if (serializeAsHTMLDocument(element))
-        return false;
-    if (element.hasChildren())
-        return false;
-    if (element.isHTMLElement() && !elementCannotHaveEndTag(element))
-        return false;
-    return true;
-}
-
-bool MarkupFormatter::serializeAsHTMLDocument(const Node& node) const
-{
-    if (m_serializationType == SerializationType::ForcedXML)
-        return false;
-    return node.document().isHTMLDocument();
-}
-
-}