/** * This file is part of the DOM implementation for KDE. * * Copyright (C) 2000 Peter Kelly (pmk@post.com) * Copyright (C) 2006 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "config.h" #include "ProcessingInstruction.h" #include "CSSStyleSheet.h" #include "CachedCSSStyleSheet.h" #include "CachedXSLStyleSheet.h" #include "Document.h" #include "DocLoader.h" #include "ExceptionCode.h" #include "Frame.h" #include "FrameLoader.h" #include "XSLStyleSheet.h" #include "XMLTokenizer.h" // for parseAttributes() namespace WebCore { ProcessingInstruction::ProcessingInstruction(Document* doc) : ContainerNode(doc) , m_cachedSheet(0) , m_loading(false) #if ENABLE(XSLT) , m_isXSL(false) #endif { } ProcessingInstruction::ProcessingInstruction(Document* doc, const String& target, const String& data) : ContainerNode(doc) , m_target(target) , m_data(data) , m_cachedSheet(0) , m_loading(false) #if ENABLE(XSLT) , m_isXSL(false) #endif { } ProcessingInstruction::~ProcessingInstruction() { if (m_cachedSheet) m_cachedSheet->deref(this); } void ProcessingInstruction::setData(const String& data, ExceptionCode& ec) { // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly. if (isReadOnlyNode()) { ec = NO_MODIFICATION_ALLOWED_ERR; return; } m_data = data; } String ProcessingInstruction::nodeName() const { return m_target; } Node::NodeType ProcessingInstruction::nodeType() const { return PROCESSING_INSTRUCTION_NODE; } String ProcessingInstruction::nodeValue() const { return m_data; } void ProcessingInstruction::setNodeValue(const String& nodeValue, ExceptionCode& ec) { // NO_MODIFICATION_ALLOWED_ERR: taken care of by setData() setData(nodeValue, ec); } PassRefPtr ProcessingInstruction::cloneNode(bool /*deep*/) { // ### copy m_localHref return new ProcessingInstruction(document(), m_target, m_data); } // DOM Section 1.1.1 bool ProcessingInstruction::childTypeAllowed(NodeType) { return false; } bool ProcessingInstruction::checkStyleSheet() { if (m_target == "xml-stylesheet") { // see http://www.w3.org/TR/xml-stylesheet/ // ### support stylesheet included in a fragment of this (or another) document // ### make sure this gets called when adding from javascript bool attrsOk; const HashMap attrs = parseAttributes(m_data, attrsOk); if (!attrsOk) return true; HashMap::const_iterator i = attrs.find("type"); String type; if (i != attrs.end()) type = i->second; bool isCSS = type.isEmpty() || type == "text/css"; #if ENABLE(XSLT) m_isXSL = (type == "text/xml" || type == "text/xsl" || type == "application/xml" || type == "application/xhtml+xml" || type == "application/rss+xml" || type == "application/atom=xml"); if (!isCSS && !m_isXSL) #else if (!isCSS) #endif return true; String href = attrs.get("href"); if (href.length() > 1) { if (href[0] == '#') { m_localHref = href.substring(1); #if ENABLE(XSLT) // We need to make a synthetic XSLStyleSheet that is embedded. It needs to be able // to kick off import/include loads that can hang off some parent sheet. if (m_isXSL) { m_sheet = new XSLStyleSheet(this, m_localHref, true); m_loading = false; } return !m_isXSL; #endif } else { // FIXME: some validation on the URL? if (document()->frame()) { m_loading = true; document()->addPendingSheet(); if (m_cachedSheet) m_cachedSheet->deref(this); #if ENABLE(XSLT) if (m_isXSL) m_cachedSheet = document()->docLoader()->requestXSLStyleSheet(document()->completeURL(href)); else #endif { String charset = attrs.get("charset"); if (charset.isEmpty()) charset = document()->frame()->loader()->encoding(); m_cachedSheet = document()->docLoader()->requestCSSStyleSheet(document()->completeURL(href), charset); } if (m_cachedSheet) m_cachedSheet->ref(this); #if ENABLE(XSLT) return !m_isXSL; #endif } } } } return true; } bool ProcessingInstruction::isLoading() const { if (m_loading) return true; if (!m_sheet) return false; return m_sheet->isLoading(); } bool ProcessingInstruction::sheetLoaded() { if (!isLoading()) { document()->removePendingSheet(); return true; } return false; } void ProcessingInstruction::setCSSStyleSheet(const String& url, const String& charset, const String& sheet) { #if ENABLE(XSLT) ASSERT(!m_isXSL); #endif m_sheet = new CSSStyleSheet(this, url, charset); parseStyleSheet(sheet); } #if ENABLE(XSLT) void ProcessingInstruction::setXSLStyleSheet(const String& url, const String& sheet) { ASSERT(m_isXSL); m_sheet = new XSLStyleSheet(this, url); parseStyleSheet(sheet); } #endif void ProcessingInstruction::parseStyleSheet(const String& sheet) { m_sheet->parseString(sheet, true); if (m_cachedSheet) m_cachedSheet->deref(this); m_cachedSheet = 0; m_loading = false; m_sheet->checkLoaded(); } String ProcessingInstruction::toString() const { String result = ""; return result; } void ProcessingInstruction::setCSSStyleSheet(CSSStyleSheet* sheet) { ASSERT(!m_cachedSheet); ASSERT(!m_loading); m_sheet = sheet; } bool ProcessingInstruction::offsetInCharacters() const { return true; } } // namespace