/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 */

#include <svtools/HtmlWriter.hxx>

#include <tools/stream.hxx>

#include <sal/log.hxx>

#include <svtools/htmlout.hxx>

HtmlWriter::HtmlWriter(SvStream& rStream, std::string_view rNamespace) :

    mrStream(rStream),

    mbPrettyPrint(true),

    maNamespace(rNamespace)

{

}

HtmlWriter::~HtmlWriter()

{

    assert(maElementStack.empty());

}

void HtmlWriter::prettyPrint(bool b)

{

    mbPrettyPrint = b;

}

void HtmlWriter::start(const OString& aElement)

{

    if (mbOpeningTagOpen)

    {

        mrStream.WriteChar('>');

        if (mbPrettyPrint)

            mrStream.WriteChar('\n');

    }

    maElementStack.push_back(aElement);

    if (mbPrettyPrint)

    {

        for(size_t i = 0; i < maElementStack.size() - 1; i++)

        {

            mrStream.WriteOString("  ");

        }

    }

    mrStream.WriteChar('<');

    mrStream.WriteOString(Concat2View(maNamespace + aElement));

    mbOpeningTagOpen = true;

}

void HtmlWriter::single(const OString &aContent)

{

    start(aContent);

    end();

}

void HtmlWriter::flushStack()

{

    while (!maElementStack.empty())

    {

        end();

    }

}

bool HtmlWriter::end(const OString& aElement)

{

    bool bExpected = maElementStack.back() == aElement;

    SAL_WARN_IF(!bExpected, "svtools", "HtmlWriter: end element mismatch - '" << aElement << "' expected '" << maElementStack.back() << "'");

    end();

    return bExpected;

}

void HtmlWriter::end()

{

    if (mbOpeningTagOpen)

    {

        mrStream.WriteOString("/>");

        if (mbPrettyPrint)

            mrStream.WriteOString("\n");

        mbOpeningTagOpen = false;

    }

    else

    {

        if (mbPrettyPrint)

        {

            for(size_t i = 0; i < maElementStack.size() - 1; i++)

            {

                mrStream.WriteOString("  ");

            }

        }

        mrStream.WriteOString("</");

        mrStream.WriteOString(Concat2View(maNamespace + maElementStack.back()));

        mrStream.WriteOString(">");

        if (mbPrettyPrint)

            mrStream.WriteOString("\n");

    }

    maElementStack.pop_back();

}

void HtmlWriter::attribute(std::string_view aAttribute, std::string_view aValue)

{

    attribute(aAttribute, OStringToOUString(aValue, RTL_TEXTENCODING_UTF8));

}

void HtmlWriter::attribute(std::string_view aAttribute, const sal_Int32 aValue)

{

    attribute(aAttribute, OString::number(aValue));

}

void HtmlWriter::attribute(std::string_view aAttribute, const OUString& aValue)

{

    assert(mbOpeningTagOpen);

    if (mbOpeningTagOpen && !aAttribute.empty() && !aValue.isEmpty())

    {

        mrStream.WriteChar(' ');

        mrStream.WriteOString(aAttribute);

        mrStream.WriteOString("=\"");

        HTMLOutFuncs::Out_String(mrStream, aValue);

        mrStream.WriteChar('"');

    }

}

void HtmlWriter::attribute(std::string_view aAttribute)

{

    assert(mbOpeningTagOpen);

    if (mbOpeningTagOpen && !aAttribute.empty())

    {

        mrStream.WriteChar(' ');

        mrStream.WriteOString(aAttribute);

    }

}

void HtmlWriter::characters(std::string_view rChars)

{

    if (mbOpeningTagOpen)

    {

        mrStream.WriteOString(">");

        mbOpeningTagOpen = false;

    }

    mrStream.WriteOString(rChars);

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */