ie_imp_MHT.h

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/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */

/* AbiWord: ie_imp_MHT - plugin for Multipart [X]HTML
 *
 * Copyright (C) 2002 Francis James Franklin <fjf@alinameridon.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */


#ifndef IE_IMP_MHT_H
#define IE_IMP_MHT_H

#include <stdio.h>

extern "C" {
#include <eps/eps.h>
}

#include "ut_string.h"

#include "ie_imp_XHTML.h"

#define IE_MIMETYPE_RELATED         "multipart/related"

//class UT_StringPtrMap;
//class UT_Vector;

class UT_Multipart
{
    enum ContentTransferEncoding
    {
        cte_other,
        cte_base64,
        cte_quoted
    };
    enum ContentType
    {
        ct_other,
        ct_image,
        ct_html4,
        ct_xhtml
    };

public:
    UT_Multipart ();

    ~UT_Multipart ();

    bool                insert (const char * name, const char * value);
    const char *        lookup (const char * name);

    bool                append (const char * buffer, UT_uint32 length);

    const UT_ConstByteBufPtr & getBuffer() const { return m_buf; }
    UT_ByteBufPtr && detachBuffer();

    void                clear ();

    const char *        contentLocation () const { return m_location; }
    const char *        contentID ()       const { return m_id; }
    const char *        contentType ()     const { return m_type; }
    const char *        contentEncoding () const { return m_encoding; }

    bool                isBase64 () const { return (m_cte == cte_base64); }
    bool                isQuoted () const { return (m_cte == cte_quoted); }

    bool                isImage () const { return (m_ct == ct_image); }
    bool                isHTML4 () const { return (m_ct == ct_html4); }
    bool                isXHTML () const { return (m_ct == ct_xhtml); }

private:
    bool                append_Base64 (const char * buffer, UT_uint32 length);
    bool                append_Quoted (const char * buffer, UT_uint32 length);

    UT_StringPtrMap *   m_map;
    UT_ByteBufPtr       m_buf;

    const char *        m_location;
    const char *        m_id;
    const char *        m_type;
    const char *        m_encoding;

    ContentTransferEncoding m_cte;
    ContentType             m_ct;

    size_t              m_b64length;
    char                m_b64buffer[80];
};

class IE_Imp_MHT_Sniffer : public IE_ImpSniffer
{
    friend class IE_Imp;

public:
    IE_Imp_MHT_Sniffer ();
    ~IE_Imp_MHT_Sniffer () { }

    virtual const IE_SuffixConfidence * getSuffixConfidence ();

    virtual const IE_MimeConfidence * getMimeConfidence ();

    UT_Confidence_t recognizeContents (const char * szBuf, UT_uint32 iNumbytes);

    bool getDlgLabels (const char ** szDesc, const char ** szSuffixList, IEFileType * ft);

    UT_Error constructImporter (PD_Document * pDocument, IE_Imp ** ppie);
};

class IE_Imp_MHT : public IE_Imp_XHTML
{
public:
    IE_Imp_MHT (PD_Document * pDocument);

    ~IE_Imp_MHT ();

    UT_Error        importFile (const char * szFilename);

private:
    FG_ConstGraphicPtr  importImage(const gchar * szSrc);

    UT_Error        importXHTML (const char * szFilename);
    UT_Error        importHTML4 (const char * szFilename);

    UT_Multipart *  importMultipart ();

    UT_Multipart *  m_document;
    UT_Vector *     m_parts;

    eps_t * m_eps;
};

class MultiReader : public UT_XML::Reader
{
public:
    MultiReader (const UT_Byte * buffer, UT_uint32 length);
    virtual ~MultiReader ();

    virtual bool      openFile (const char * szFilename);
    virtual UT_uint32 readBytes (char * buffer, UT_uint32 length);
    virtual void      closeFile (void);

private:
    const UT_Byte * const   m_buffer;
    const UT_Byte *         m_bufptr;
    const UT_uint32         m_length;
};

#endif /* IE_IMP_MHT_H */