/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef DITAXMLGENERATOR_H
#define DITAXMLGENERATOR_H

#include <qmap.h>
#include <qregexp.h>
#include <QXmlStreamWriter>
#include "codemarker.h"
#include "config.h"
#include "pagegenerator.h"

QT_BEGIN_NAMESPACE

typedef QMap<QString, QString> GuidMap;
typedef QMap<QString, GuidMap*> GuidMaps;

class DitaXmlGenerator : public PageGenerator
{
 public:
    enum SinceType { 
        Namespace, 
        Class, 
        MemberFunction,
        NamespaceFunction,
        GlobalFunction,
        Macro,
        Enum, 
        Typedef, 
        Property,
        Variable, 
        QmlClass,
        QmlProperty,
        QmlSignal,
        QmlMethod,
        LastSinceType
    };

    enum DitaTag {
        DT_NONE,
        DT_alt,
        DT_apiDesc,
        DT_APIMap,
        DT_apiName,
        DT_apiRelation,
        DT_audience,
        DT_author,
        DT_b,
        DT_body,
        DT_bodydiv,
        DT_brand,
        DT_category,
        DT_codeblock,
        DT_comment,
        DT_component,
        DT_copyrholder,
        DT_copyright,
        DT_copyryear,
        DT_created,
        DT_critdates,
        DT_cxxAPIMap,
        DT_cxxClass,
        DT_cxxClassAbstract,
        DT_cxxClassAccessSpecifier,
        DT_cxxClassAPIItemLocation,
        DT_cxxClassBaseClass,
        DT_cxxClassDeclarationFile,
        DT_cxxClassDeclarationFileLine,
        DT_cxxClassDefinition,
        DT_cxxClassDerivation,
        DT_cxxClassDerivationAccessSpecifier,
        DT_cxxClassDerivations,
        DT_cxxClassDetail,
        DT_cxxClassNested,
        DT_cxxClassNestedClass,
        DT_cxxClassNestedDetail,
        DT_cxxDefine,
        DT_cxxDefineAccessSpecifier,
        DT_cxxDefineAPIItemLocation,
        DT_cxxDefineDeclarationFile,
        DT_cxxDefineDeclarationFileLine,
        DT_cxxDefineDefinition,
        DT_cxxDefineDetail,
        DT_cxxDefineNameLookup,
        DT_cxxDefineParameter,
        DT_cxxDefineParameterDeclarationName,
        DT_cxxDefineParameters,
        DT_cxxDefinePrototype,
        DT_cxxDefineReimplemented,
        DT_cxxEnumeration,
        DT_cxxEnumerationAccessSpecifier,
        DT_cxxEnumerationAPIItemLocation,
        DT_cxxEnumerationDeclarationFile,
        DT_cxxEnumerationDeclarationFileLine,
        DT_cxxEnumerationDefinition,
        DT_cxxEnumerationDefinitionFile,
        DT_cxxEnumerationDefinitionFileLineStart,
        DT_cxxEnumerationDefinitionFileLineEnd,
        DT_cxxEnumerationDetail,
        DT_cxxEnumerationNameLookup,
        DT_cxxEnumerationPrototype,
        DT_cxxEnumerationScopedName,
        DT_cxxEnumerator,
        DT_cxxEnumeratorInitialiser,
        DT_cxxEnumeratorNameLookup,
        DT_cxxEnumeratorPrototype,
        DT_cxxEnumerators,
        DT_cxxEnumeratorScopedName,
        DT_cxxFunction,
        DT_cxxFunctionAccessSpecifier,
        DT_cxxFunctionAPIItemLocation,
        DT_cxxFunctionConst,
        DT_cxxFunctionConstructor,
        DT_cxxFunctionDeclarationFile,
        DT_cxxFunctionDeclarationFileLine,
        DT_cxxFunctionDeclaredType,
        DT_cxxFunctionDefinition,
        DT_cxxFunctionDestructor,
        DT_cxxFunctionDetail,
        DT_cxxFunctionNameLookup,
        DT_cxxFunctionParameter,
        DT_cxxFunctionParameterDeclarationName,
        DT_cxxFunctionParameterDeclaredType,
        DT_cxxFunctionParameterDefaultValue,
        DT_cxxFunctionParameters,
        DT_cxxFunctionPrototype,
        DT_cxxFunctionPureVirtual,
        DT_cxxFunctionReimplemented,
        DT_cxxFunctionScopedName,
        DT_cxxFunctionStorageClassSpecifierStatic,
        DT_cxxFunctionVirtual,
        DT_cxxTypedef,
        DT_cxxTypedefAccessSpecifier,
        DT_cxxTypedefAPIItemLocation,
        DT_cxxTypedefDeclarationFile,
        DT_cxxTypedefDeclarationFileLine,
        DT_cxxTypedefDefinition,
        DT_cxxTypedefDetail,
        DT_cxxTypedefNameLookup,
        DT_cxxTypedefScopedName,
    	DT_cxxVariable,
    	DT_cxxVariableAccessSpecifier,
    	DT_cxxVariableAPIItemLocation,
        DT_cxxVariableDeclarationFile,
        DT_cxxVariableDeclarationFileLine,
    	DT_cxxVariableDeclaredType,
    	DT_cxxVariableDefinition,
    	DT_cxxVariableDetail,
    	DT_cxxVariableNameLookup,
    	DT_cxxVariablePrototype,
    	DT_cxxVariableReimplemented,
    	DT_cxxVariableScopedName,
    	DT_cxxVariableStorageClassSpecifierStatic,
        DT_data,
        DT_dataabout,
        DT_dd,
        DT_dl,
        DT_dlentry,
        DT_dt,
        DT_entry,
        DT_fig,
        DT_i,
        DT_image,
        DT_keyword,
        DT_keywords,
        DT_li,
        DT_link,
        DT_linktext,
        DT_lq,
        DT_metadata,
        DT_ol,
        DT_othermeta,
        DT_p,
        DT_parameter,
        DT_permissions,
        DT_ph,
        DT_platform,
        DT_pre,
        DT_prodinfo,
        DT_prodname,
        DT_prolog,
        DT_publisher,
        DT_relatedLinks,
        DT_resourceid,
        DT_revised,
        DT_row,
        DT_section,
        DT_sectiondiv,
        DT_shortdesc,
        DT_simpletable,
        DT_source,
        DT_stentry,
        DT_sthead,
        DT_strow,
        DT_sub,
        DT_sup,
        DT_table,
        DT_tbody,
        DT_tgroup,
        DT_thead,
        DT_title,
        DT_tm,
        DT_topic,
        DT_topicmeta,
        DT_topicref,
        DT_tt,
        DT_u,
        DT_ul,
        DT_unknown,
        DT_vrm,
        DT_vrmlist,
        DT_xref,
        DT_LAST
    };

 public:
    DitaXmlGenerator();
    ~DitaXmlGenerator();

    virtual void initializeGenerator(const Config& config);
    virtual void terminateGenerator();
    virtual QString format();
    virtual bool canHandleFormat(const QString& format);
    virtual void generateTree(const Tree *tree);

    QString protectEnc(const QString& string);
    static QString protect(const QString& string, const QString& encoding = "ISO-8859-1");
    static QString cleanRef(const QString& ref);
    static QString sinceTitle(int i) { return sinceTitles[i]; }

 protected:
    virtual void startText(const Node* relative, CodeMarker* marker);
    virtual int generateAtom(const Atom* atom, 
                             const Node* relative,
                             CodeMarker* marker);
    virtual void generateClassLikeNode(const InnerNode* inner, CodeMarker* marker);
    virtual void generateFakeNode(const FakeNode* fake, CodeMarker* marker);
    virtual QString fileExtension(const Node* node) const;
    virtual QString refForNode(const Node* node);
    virtual QString guidForNode(const Node* node);
    virtual QString linkForNode(const Node* node, const Node* relative);
    virtual QString refForAtom(Atom* atom, const Node* node);
    
    void writeXrefListItem(const QString& link, const QString& text);
    QString fullQualification(const Node* n);

    void writeCharacters(const QString& text);
    void writeDerivations(const ClassNode* cn, CodeMarker* marker);
    void writeLocation(const Node* n);
    void writeFunctions(const Section& s, 
                        const InnerNode* parent, 
                        CodeMarker* marker,
                        const QString& attribute = QString());
    void writeNestedClasses(const Section& s, const Node* n);
    void replaceTypesWithLinks(const Node* n,
                               const InnerNode* parent,
                               CodeMarker* marker,
                               QString& src);
    void writeParameters(const FunctionNode* fn, const InnerNode* parent, CodeMarker* marker);
    void writeEnumerations(const Section& s, 
                           CodeMarker* marker,
                           const QString& attribute = QString());
    void writeTypedefs(const Section& s, 
                       CodeMarker* marker,
                       const QString& attribute = QString());
    void writeDataMembers(const Section& s, 
                          CodeMarker* marker,
                          const QString& attribute = QString());
    void writeProperties(const Section& s, 
                         CodeMarker* marker,
                         const QString& attribute = QString());
    void writeMacros(const Section& s, 
                     CodeMarker* marker,
                     const QString& attribute = QString());
    void writePropertyParameter(const QString& tag, const NodeList& nlist);
    void writeRelatedLinks(const FakeNode* fake, CodeMarker* marker);
    void writeLink(const Node* node, const QString& tex, const QString& role);
    void writeProlog(const InnerNode* inner);
    bool writeMetadataElement(const InnerNode* inner, 
                              DitaXmlGenerator::DitaTag t, 
                              bool force=true);
    bool writeMetadataElements(const InnerNode* inner, DitaXmlGenerator::DitaTag t);
    QString getMetadataElement(const InnerNode* inner, DitaXmlGenerator::DitaTag t);
    QStringList getMetadataElements(const InnerNode* inner, DitaXmlGenerator::DitaTag t);

 private:
    enum SubTitleSize { SmallSubTitle, LargeSubTitle };

    const QPair<QString,QString> anchorForNode(const Node* node);
    const Node* findNodeForTarget(const QString& target, 
                                  const Node* relative,
                                  CodeMarker* marker, 
                                  const Atom* atom = 0);
    void generateHeader(const Node* node, 
                        const QString& name,
                        bool subpage = false);
    void generateBrief(const Node* node, CodeMarker* marker);
    void generateIncludes(const InnerNode* inner, CodeMarker* marker);
    void generateTableOfContents(const Node* node, 
                                 CodeMarker* marker,
                                 Doc::Sections sectioningUnit,
                                 int numColumns, 
                                 const Node* relative = 0);
    void generateTableOfContents(const Node* node, 
                                 CodeMarker* marker, 
                                 QList<Section>* sections = 0);
    void generateLowStatusMembers(const InnerNode* inner,
                                  CodeMarker* marker,
                                  CodeMarker::Status status);
    QString generateLowStatusMemberFile(const InnerNode* inner, 
                                        CodeMarker* marker,
                                        CodeMarker::Status status);
    void generateClassHierarchy(const Node* relative, 
                                CodeMarker* marker,
				const NodeMap& classMap);
    void generateAnnotatedList(const Node* relative, 
                               CodeMarker* marker,
			       const NodeMap& nodeMap);
    void generateCompactList(const Node* relative, 
                             CodeMarker* marker,
			     const NodeMap& classMap,
                             bool includeAlphabet,
                             QString commonPrefix = QString());
    void generateFunctionIndex(const Node* relative, CodeMarker* marker);
    void generateLegaleseList(const Node* relative, CodeMarker* marker);
    void generateOverviewList(const Node* relative, CodeMarker* marker);

#ifdef QDOC_QML
    void generateQmlSummary(const Section& section,
                            const Node* relative,
                            CodeMarker* marker);
    void generateQmlItem(const Node* node,
                         const Node* relative,
                         CodeMarker* marker,
                         bool summary);
    void generateDetailedQmlMember(const Node* node,
                                   const InnerNode* relative,
                                   CodeMarker* marker);
    void generateQmlInherits(const QmlClassNode* cn, CodeMarker* marker);
    void generateQmlInheritedBy(const QmlClassNode* cn, CodeMarker* marker);
    void generateQmlInstantiates(const QmlClassNode* qcn, CodeMarker* marker);
    void generateInstantiatedBy(const ClassNode* cn, CodeMarker* marker);
#endif

    void generateSection(const NodeList& nl,
                         const Node* relative,
                         CodeMarker* marker,
                         CodeMarker::SynopsisStyle style);
    QString getMarkedUpSynopsis(const Node* node, 
                                const Node* relative, 
                                CodeMarker* marker,
                                CodeMarker::SynopsisStyle style);
    void generateSectionInheritedList(const Section& section, 
                                      const Node* relative,
                                      CodeMarker* marker);
    void writeText(const QString& markedCode, 
                   CodeMarker* marker, 
                   const Node* relative);

    void generateFullName(const Node* apparentNode, 
                          const Node* relative, 
                          CodeMarker* marker,
			  const Node* actualNode = 0);
    void generateLink(const Atom* atom, 
                      const Node* relative, 
                      CodeMarker* marker);
    void generateStatus(const Node* node, CodeMarker* marker);
    
    QString registerRef(const QString& ref);
    QString fileBase(const Node *node) const;
    QString fileName(const Node *node);
    void findAllClasses(const InnerNode *node);
    void findAllFunctions(const InnerNode *node);
    void findAllLegaleseTexts(const InnerNode *node);
    void findAllNamespaces(const InnerNode *node);
    static int hOffset(const Node *node);
    static bool isThreeColumnEnumValueTable(const Atom *atom);
    virtual QString getLink(const Atom *atom, 
                            const Node *relative, 
                            CodeMarker *marker, 
                            const Node **node);
    virtual void generateIndex(const QString& fileBase, 
                               const QString& url,
                               const QString& title);
#ifdef GENERATE_MAC_REFS    
    void generateMacRef(const Node* node, CodeMarker* marker);
#endif
    void beginLink(const QString& link); 
    void endLink();
    QString writeGuidAttribute(QString text);
    void writeGuidAttribute(Node* node);
    QString lookupGuid(QString text);
    QString lookupGuid(const QString& fileName, const QString& text);
    GuidMap* lookupGuidMap(const QString& fileName);
    virtual void beginSubPage(const Location& location, const QString& fileName);
    virtual void endSubPage();
    virtual void generateInnerNode(const InnerNode* node);
    QXmlStreamWriter& xmlWriter();
    void writeApiDesc(const Node* node, CodeMarker* marker, const QString& title);
    void addLink(const QString& href, const QStringRef& text, DitaTag t = DT_xref);
    void writeDitaMap();
    void writeStartTag(DitaTag t);
    void writeEndTag(DitaTag t=DT_NONE);
    DitaTag currentTag();
    void clearSectionNesting() { sectionNestingLevel = 0; } 
    int enterApiDesc(const QString& outputclass, const QString& title);
    int enterSection(const QString& outputclass, const QString& title);
    int leaveSection();
    bool inSection() const { return (sectionNestingLevel > 0); }
    int currentSectionNestingLevel() const { return sectionNestingLevel; }
    QString metadataDefault(DitaTag t) const;

 private:
    /*
      These flags indicate which elements the generator
      is currently outputting.
     */
    bool inContents;
    bool inDetailedDescription;
    bool inLegaleseText;
    bool inLink;
    bool inObsoleteLink;
    bool inSectionHeading;
    bool inTableHeader;
    bool inTableBody;

    bool noLinks;
    bool obsoleteLinks;
    bool offlineDocs;
    bool threeColumnEnumValueTable;

    int codeIndent;
    int numTableRows;
    int divNestingLevel;
    int sectionNestingLevel;
    int tableColumnCount;

    QString link;
    QStringList sectionNumber;
    QRegExp funcLeftParen;
    QString style;
    QString postHeader;
    QString postPostHeader;
    QString footer;
    QString address;
    bool pleaseGenerateMacRef;
    QString project;
    QString projectDescription;
    QString projectUrl;
    QString navigationLinks;
    QString version;
    QStringList vrm;
    QStringList stylesheets;
    QStringList customHeadElements;
    const Tree* myTree;
    QMap<QString, QString> refMap;
    QMap<QString, QString> name2guidMap;
    GuidMaps guidMaps;
    QMap<QString, NodeMap > moduleClassMap;
    QMap<QString, NodeMap > moduleNamespaceMap;
    NodeMap nonCompatClasses;
    NodeMap mainClasses;
    NodeMap compatClasses;
    NodeMap obsoleteClasses;
    NodeMap namespaceIndex;
    NodeMap serviceClasses;
#ifdef QDOC_QML    
    NodeMap qmlClasses;
#endif
    QMap<QString, NodeMap > funcIndex;
    QMap<Text, const Node*> legaleseTexts;
    static int id;
    static QString ditaTags[];
    QStack<QXmlStreamWriter*> xmlWriterStack;
    QStack<DitaTag> tagStack;
    QStringMultiMap metadataDefaults;
};

#define DITAXMLGENERATOR_ADDRESS           "address"
#define DITAXMLGENERATOR_FOOTER            "footer"
#define DITAXMLGENERATOR_GENERATEMACREFS   "generatemacrefs" // ### document me
#define DITAXMLGENERATOR_POSTHEADER        "postheader"
#define DITAXMLGENERATOR_POSTPOSTHEADER    "postpostheader"
#define DITAXMLGENERATOR_STYLE             "style"
#define DITAXMLGENERATOR_STYLESHEETS       "stylesheets"
#define DITAXMLGENERATOR_CUSTOMHEADELEMENTS "customheadelements"

QT_END_NAMESPACE

#endif