📄 html.cpp

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    return;}CNcbiOstream& CHTMLInlineElement::PrintEnd(CNcbiOstream& out, TMode mode){    if ( mode != ePlainText ) {        out << "</" << m_Name << '>';        CHECK_STREAM_WRITE(out);    }    return out;}CHTMLElement::~CHTMLElement(void){    return;}CNcbiOstream& CHTMLElement::PrintEnd(CNcbiOstream& out, TMode mode){    CParent::PrintEnd(out, mode);    if ( mode != ePlainText ) {        const TMode* previous = mode.GetPreviousContext();        if ( previous ) {            CNCBINode* parent = previous->GetNode();            if ( parent && parent->HaveChildren() &&                 parent->Children().size() > 1 )                out << '\n'; // separate child nodes by newline        } else {            out << '\n';        }    }    CHECK_STREAM_WRITE(out);    return out;}CHTMLBlockElement::~CHTMLBlockElement(void){    return;}CNcbiOstream& CHTMLBlockElement::PrintEnd(CNcbiOstream& out, TMode mode){    CParent::PrintEnd(out, mode);    if ( mode == ePlainText ) {        // Add a newline iff no node on the path to the last descendant        // is also a block element. We only need one break.        CNCBINode* node = this;        while (node->HaveChildren()) {            node = node->Children().back();            if (dynamic_cast<CHTMLBlockElement*>(node)) {                return out;            }        }        out << '\n';        CHECK_STREAM_WRITE(out);    }    return out;}// HTML comment.const char CHTMLComment::sm_TagName[] = "comment";CHTMLComment::~CHTMLComment(void){    return;}CNcbiOstream& CHTMLComment::Print(CNcbiOstream& out, TMode mode){    if (mode == ePlainText) {        return out;    }    return CParent::Print(out, mode);}CNcbiOstream& CHTMLComment::PrintBegin(CNcbiOstream& out, TMode mode){    if (mode == eHTML) {        out << "<!--";        CHECK_STREAM_WRITE(out);    }    return out;}CNcbiOstream& CHTMLComment::PrintEnd(CNcbiOstream& out, TMode mode){    if (mode == eHTML) {        return out << "-->";    }    CHECK_STREAM_WRITE(out);    return out;}CHTMLListElement::~CHTMLListElement(void){    return;}CHTMLListElement* CHTMLListElement::SetType(const char* type){    SetAttribute("type", type);    return this;}CHTMLListElement* CHTMLListElement::SetType(const string& type){    SetAttribute("type", type);    return this;}CHTMLListElement* CHTMLListElement::SetCompact(void){    SetOptionalAttribute("compact", true);    return this;}CNcbiOstream& CHTMLListElement::PrintChildren(CNcbiOstream& out, TMode mode){    if (mode == ePlainText) {        CIndentingOstream out2(out);        CHTMLElement::PrintChildren(out2, mode);    } else {        CHTMLElement::PrintChildren(out, mode);    }    return out;}// Special char.CHTMLSpecialChar::CHTMLSpecialChar(const char* html, const char* plain,                                   int count)    : CParent("", plain){    m_Name  = s_GenerateNodeInternalName("specialchar", html);    m_Html  = html;    m_Count = count;}CHTMLSpecialChar::~CHTMLSpecialChar(void){    return;}CNcbiOstream& CHTMLSpecialChar::PrintChildren(CNcbiOstream& out, TMode mode){    if ( mode == ePlainText ) {        for ( int i = 0; i < m_Count; i++ ) {            out << m_Plain;            CHECK_STREAM_WRITE(out);        }    } else {        for ( int i = 0; i < m_Count; i++ ) {            out << "&" << m_Html << ";";            CHECK_STREAM_WRITE(out);        }    }    return out;}// <html> tag.const char CHTML_html::sm_TagName[] = "html";CHTML_html::~CHTML_html(void){    return;}void CHTML_html::Init(void){    return;}void CHTML_html::EnablePopupMenu(CHTMLPopupMenu::EType type,                                 const string& menu_script_url,                                 bool use_dynamic_menu){    SPopupMenuInfo info(menu_script_url, use_dynamic_menu);    m_PopupMenus[type] = info;}static bool s_CheckUsePopupMenus(const CNCBINode* node,                                  CHTMLPopupMenu::EType type){    if ( !node  ||  !node->HaveChildren() ) {        return false;    }    ITERATE ( CNCBINode::TChildren, i, node->Children() ) {        const CNCBINode* cnode = node->Node(i);        if ( dynamic_cast<const CHTMLPopupMenu*>(cnode) ) {            const CHTMLPopupMenu* menu =                 dynamic_cast<const CHTMLPopupMenu*>(cnode);            if ( menu->GetType() == type )                return true;        }        if ( cnode->HaveChildren()  &&  s_CheckUsePopupMenus(cnode, type)) {            return true;        }    }    return false;}CNcbiOstream& CHTML_html::PrintChildren(CNcbiOstream& out, TMode mode){    // Check mode    if ( mode != eHTML ) {        return CParent::PrintChildren(out, mode);    }        // Check for use popup menus    bool use_popup_menus = false;    for (int t = CHTMLPopupMenu::ePMFirst; t <= CHTMLPopupMenu::ePMLast; t++ )    {        CHTMLPopupMenu::EType type = (CHTMLPopupMenu::EType)t;        if ( m_PopupMenus.find(type) == m_PopupMenus.end() ) {            if ( s_CheckUsePopupMenus(this, type) ) {                EnablePopupMenu(type);                use_popup_menus = true;            }        } else {            use_popup_menus = true;        }    }    if ( !use_popup_menus  ||  !HaveChildren() ) {        return CParent::PrintChildren(out, mode);    }    NON_CONST_ITERATE ( TChildren, i, Children() ) {        if ( dynamic_cast<CHTML_head*>(Node(i)) ) {            for (int t = CHTMLPopupMenu::ePMFirst;                 t <= CHTMLPopupMenu::ePMLast; t++ ) {                CHTMLPopupMenu::EType type = (CHTMLPopupMenu::EType)t;                TPopupMenus::const_iterator info = m_PopupMenus.find(type);                if ( info != m_PopupMenus.end() ) {                    Node(i)->AppendChild(new CHTMLText(                        CHTMLPopupMenu::GetCodeHead(type,info->second.m_Url)));                }            }        } else if ( dynamic_cast<CHTML_body*>(Node(i)) ) {            for (int t = CHTMLPopupMenu::ePMFirst;                 t <= CHTMLPopupMenu::ePMLast; t++ ) {                CHTMLPopupMenu::EType type = (CHTMLPopupMenu::EType)t;                TPopupMenus::const_iterator info = m_PopupMenus.find(type);                if ( info != m_PopupMenus.end() ) {                    Node(i)->AppendChild(new CHTMLText(                        CHTMLPopupMenu::GetCodeBody(type, info->second.m_UseDynamicMenu)));                }            }        }    }    return CParent::PrintChildren(out, mode);}// Table element.class CHTML_tc_Cache{public:    CHTML_tc_Cache(void)        : m_Used(false), m_Node(0)    {        return;    }    bool IsUsed(void) const    {        return m_Used;    }    bool IsNode(void) const    {        return m_Node != 0;    }    CHTML_tc* GetCellNode(void) const    {        return m_Node;    }    void SetUsed(void);    void SetCellNode(CHTML_tc* node);private:    bool m_Used;    CHTML_tc* m_Node;};class CHTML_tr_Cache{public:    typedef CHTML_table::TIndex TIndex;    CHTML_tr_Cache(void)        : m_Node(0),          m_CellCount(0), m_CellsSize(0), m_Cells(0), m_FilledCellCount(0)    {        return;    }    ~CHTML_tr_Cache(void)    {        delete[] m_Cells;    }    CHTML_tr* GetRowNode(void) const    {        return m_Node;    }    void SetRowNode(CHTML_tr* rowNode)    {        _ASSERT(!m_Node && rowNode);        m_Node = rowNode;    }    TIndex GetCellCount(void) const    {        return m_CellCount;    }    CHTML_tc_Cache& GetCellCache(TIndex col);    void AppendCell(CHTML_tr* rowNode, TIndex col,                    CHTML_tc* cellNode, TIndex colSpan);    void SetUsedCells(TIndex colBegin, TIndex colEnd);    void SetUsedCells(CHTML_tc* cellNode, TIndex colBegin, TIndex colEnd);private:    CHTML_tr_Cache(const CHTML_tr_Cache&);    CHTML_tr_Cache& operator=(const CHTML_tr_Cache&);    CHTML_tr* m_Node;    TIndex m_CellCount;    TIndex m_CellsSize;    CHTML_tc_Cache* m_Cells;    TIndex m_FilledCellCount;};class CHTML_table_Cache{public:    typedef CHTML_table::TIndex TIndex;    CHTML_table_Cache(CHTML_table* table);    ~CHTML_table_Cache(void);    TIndex GetRowCount(void) const    {        return m_RowCount;    }    CHTML_tr_Cache& GetRowCache(TIndex row);    CHTML_tr* GetRowNode(TIndex row);    CHTML_tc* GetCellNode(TIndex row, TIndex col,                          CHTML_table::ECellType type);    CHTML_tc* GetCellNode(TIndex row, TIndex col,                          CHTML_table::ECellType type,                          TIndex rowSpan, TIndex colSpan);    void InitRow(TIndex row, CHTML_tr* rowNode);    void SetUsedCells(TIndex rowBegin, TIndex rowEnd,                      TIndex colBegin, TIndex colEnd);private:    CHTML_table* m_Node;    TIndex m_RowCount;    TIndex m_RowsSize;    CHTML_tr_Cache** m_Rows;    TIndex m_FilledRowCount;    CHTML_table_Cache(const CHTML_table_Cache&);    CHTML_table_Cache& operator=(const CHTML_table_Cache&);};CHTML_tr::CHTML_tr(void)    : CParent("tr"), m_Parent(0){    return;}CHTML_tr::CHTML_tr(CNCBINode* node)    : CParent("tr", node), m_Parent(0){    return;}CHTML_tr::CHTML_tr(const string& text)    : CParent("tr", text), m_Parent(0){    return;}void CHTML_tr::DoAppendChild(CNCBINode* node){    CHTML_tc* cell = dynamic_cast<CHTML_tc*>(node);    if ( cell ) {        // Adding new cell        _ASSERT(!cell->m_Parent);        ResetTableCache();        cell->m_Parent = this;    }    CParent::DoAppendChild(node);}void CHTML_tr::AppendCell(CHTML_tc* cell){    _ASSERT(!cell->m_Parent);    cell->m_Parent = this;    CParent::DoAppendChild(cell);}void CHTML_tr::ResetTableCache(void){    if ( m_Parent )        m_Parent->ResetTableCache();}CNcbiOstream& CHTML_tr::PrintEnd(CNcbiOstream& out, TMode mode){    CParent::PrintEnd(out, mode);    if ( mode == ePlainText ) {        out << CHTMLHelper::GetNL();        if (m_Parent->m_IsRowSep == CHTML_table::ePrintRowSep) {            out << string(GetTextLength(mode), m_Parent->m_RowSepChar)                << CHTMLHelper::GetNL();        }        CHECK_STREAM_WRITE(out);    }    return out;}CNcbiOstream& CHTML_tr::PrintChildren(CNcbiOstream& out, TMode mode){    if ( !HaveChildren() ) {        return out;    }    if ( mode != ePlainText ) {        return CParent::PrintChildren(out, mode);    }    out << m_Parent->m_ColSepL;    NON_CONST_ITERATE ( TChildren, i, Children() ) {        if ( i != Children().begin() ) {            out << m_Parent->m_ColSepM;            CHECK_STREAM_WRITE(out);        }        Node(i)->Print(out, mode);    }    out << m_Parent->m_ColSepR;    CHECK_STREAM_WRITE(out);    return out;}SIZE_TYPE CHTML_tr::GetTextLength(TMode mode){    if ( !HaveChildren() ) {        return 0;    }    CNcbiOstrstream sout;    SIZE_TYPE cols = 0;    NON_CONST_ITERATE ( TChildren, i, Children() ) {        Node(i)->Print(sout, mode);        cols++;    }    sout.put('\0');    SIZE_TYPE textlen = strlen(sout.str());    if ( mode == ePlainText ) {        textlen += m_Parent->m_ColSepL.length() +            m_Parent->m_ColSepR.length();        if ( cols ) {            textlen += m_Parent->m_ColSepM.length() * (cols - 1);        }    }    return textlen;}CHTML_tc::~CHTML_tc(void){    return;}CHTML_tc* CHTML_tc::SetRowSpan(TIndex span){    SetAttribute("rowspan", span);    return this;}CHTML_tc* CHTML_tc::SetColSpan(TIndex span){    SetAttribute("colspan", span);    return this;}static CHTML_table::TIndex x_GetSpan(const CHTML_tc* node,                              const string& attributeName){    if ( !node->HaveAttribute(attributeName) ) {        return 1;    }    const string& value = node->GetAttribute(attributeName);    try {        CHTML_table::TIndex span = NStr::StringToUInt(value);        if ( span > 0 ) {            return span;        }    }    catch ( exception& ) {
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