#include "html.hpp"


TexoProducerHTML::TexoProducerHTML(TexoExporter & exporter):
    TexoProducerStrict(exporter)
{}


bool TexoProducerHTML::TruePut(char c)
{
    switch (c) {
    case '<':
        return exporter.Put("&lt;");
        break;
    case '>':
        return exporter.Put("&gt;");
        break;
    case '&':
        return exporter.Put("&amp;");
        break;
    default:
        return exporter.Put(c);
    }
}


bool TexoProducerHTML::StartCode()
{
    return exporter.Put("\n<pre>\n");
}

bool TexoProducerHTML::StartHeader(int level)
{
    if (level <= 1) {
        return exporter.Put("\n<h6>\n");
    } else if (level == 2) {
        return exporter.Put("\n<h5>\n");
    } else if (level == 3) {
        return exporter.Put("\n<h4>\n");
    } else if (level == 4) {
        return exporter.Put("\n<h3>\n");
    } else if (level == 5) {
        return exporter.Put("\n<h2>\n");
    } else {
        return exporter.Put("\n<h1>\n");
    }
}

bool TexoProducerHTML::StartParagraph()
{
    return exporter.Put("\n<p>\n");
}

bool TexoProducerHTML::StartQuote()
{
    return exporter.Put("\n<blockquote><p>\n");
}

bool TexoProducerHTML::CloseCode()
{
    return exporter.Put("\n</pre>\n");
}

bool TexoProducerHTML::CloseHeader(int level)
{
    if (level <= 1) {
        return exporter.Put("\n</h6>\n");
    } else if (level == 2) {
        return exporter.Put("\n</h5>\n");
    } else if (level == 3) {
        return exporter.Put("\n</h4>\n");
    } else if (level == 4) {
        return exporter.Put("\n</h3>\n");
    } else if (level == 5) {
        return exporter.Put("\n</h2>\n");
    } else {
        return exporter.Put("\n</h1>\n");
    }
}

bool TexoProducerHTML::CloseParagraph()
{
    return exporter.Put("\n</p>\n");
}

bool TexoProducerHTML::CloseQuote()
{
    return exporter.Put("\n</p></blockquote>\n");
}


bool TexoProducerHTML::StartBold()
{
    return exporter.Put("<b>");
}
bool TexoProducerHTML::StartItalic()
{
    return exporter.Put("<i>");
}
bool TexoProducerHTML::StartMono()
{
    return exporter.Put("<code>");
}
bool TexoProducerHTML::StartStrike()
{
    return exporter.Put("<del>");
}
bool TexoProducerHTML::StartUnderline()
{
    return exporter.Put("<ins>");
}

bool TexoProducerHTML::CloseBold()
{
    return exporter.Put("</b>");
}
bool TexoProducerHTML::CloseItalic()
{
    return exporter.Put("</i>");
}
bool TexoProducerHTML::CloseMono()
{
    return exporter.Put("</code>");
}
bool TexoProducerHTML::CloseStrike()
{
    return exporter.Put("</del>");
}
bool TexoProducerHTML::CloseUnderline()
{
    return exporter.Put("</ins>");
}

bool TexoProducerHTML::StartLink(
    const ScriptVariable & link, const ScriptVariable & title)
{
    bool ok = true;
    if (link != "") {
        ok = ok && exporter.Put("<a href='");
        ok = ok && exporter.Put(link);
        if (title != "") {
            ok = ok && exporter.Put("' title='");
            ok = ok && exporter.Put(title);
        }
        ok = ok && exporter.Put("'>");
    }
    return ok;
}

bool TexoProducerHTML::CloseLink(
    const ScriptVariable & link, const ScriptVariable & title)
{
    if (link != "") {
        return exporter.Put("</a>");
    } else {
        return true;
    }
}


bool TexoProducerHTML::TruePutImage(const ScriptVariable & src,
    const ScriptVariable & alt, const ScriptVariable & title)
{
    bool ok = true;
    if (src != "") {
        ok = ok && exporter.Put("<img src='");
        ok = ok && exporter.Put(src);
        if (alt != "") {
            ok = ok && exporter.Put("' alt='");
            ok = ok && exporter.Put(alt);
        }
        if (title != "") {
            ok = ok && exporter.Put("' title='");
            ok = ok && exporter.Put(title);
        }
        ok = ok && exporter.Put("'/>");
    }
    return ok;
}

bool TexoProducerHTML::TruePutHorizontalRule()
{
    return exporter.Put("\n<hr/>\n");
}