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#include "gophermaprenderer.hpp"
#include <QTextList>
#include <QTextBlock>
#include <QList>
#include <QStringList>
#include <QTextImageFormat>
#include <QDebug>
//Canonical Types
//0 Text File
//1 Gopher submenu or link to another gopher server
//2 CCSO Nameserver
//3 Error code returned by a Gopher server to indicate failure
//4 BinHex-encoded file (primarily for Macintosh computers)
//5 DOS file
//6 uuencoded file
//7 Gopher full-text search
//8 Telnet
//9 Binary file
//+ Mirror or alternate server (for load balancing or in case of primary server downtime)
//g GIF file
//I Image file
//T Telnet 3270
//Non-Canonical Types
//h HTML file
//i Informational message
//s Sound file
std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input, const QUrl &root_url, const DocumentStyle &themed_style)
{
QTextCharFormat standard;
standard.setFont(themed_style.standard_font);
standard.setForeground(themed_style.standard_color);
QTextCharFormat standard_link;
standard_link.setFont(themed_style.standard_font);
standard_link.setForeground(QBrush(themed_style.internal_link_color));
QTextCharFormat external_link;
external_link.setFont(themed_style.standard_font);
external_link.setForeground(QBrush(themed_style.external_link_color));
std::unique_ptr<QTextDocument> result = std::make_unique<QTextDocument>();
result->setDocumentMargin(themed_style.margin);
QTextCursor cursor{result.get()};
QTextBlockFormat non_list_format = cursor.blockFormat();
QList<QByteArray> lines = input.split('\n');
for (auto const & line : lines)
{
if (line.length() < 2) // skip lines without
continue;
if(line[line.size() - 1] != '\r')
continue;
auto items = line.mid(1, line.length() - 2).split('\t');
if(items.size() < 2) // invalid
continue;
QString icon;
switch (line.at(0))
{
case '0': // Text File
icon = "text";
break;
case '1': // Gopher submenu or link to another gopher server
icon = "directory";
break;
case '2': // CCSO Nameserver
icon = "ns";
break;
case '3': // Error code returned by a Gopher server to indicate failure
icon = "error";
break;
case '4': // BinHex-encoded file (primarily for Macintosh computers)
icon = "binhex";
break;
case '5': // DOS file
icon = "dos";
break;
case '6': // uuencoded file
icon = "uuencoded";
break;
case '7': // Gopher full-text search
icon = "full-text";
break;
case '8': // Telnet
icon = "telnet";
break;
case '9': // Binary file
icon = "binary";
break;
case '+': // Mirror or alternate server (for load balancing or in case of primary server downtime)
icon = "mirror";
break;
case 'g': // GIF file
icon = "gif";
break;
case 'I': // Image file
icon = "image";
break;
case 'T': // Telnet 3270
icon = "telnet";
break;
//Non-Canonical Types
case 'h': // HTML file
icon = "html";
break;
case 'i': // Informational message
icon = "informational";
break;
case 's': // Sound file
icon = "sound";
break;
default: // unknown
continue;
}
QString title = items.at(0);
// 1Phlog /phlog octotherp.org 70 +
if(line.at(0) == 'i')
{
cursor.insertText(title + "\n", standard);
}
else
{
QString dst_url;
switch(items.size())
{
case 0: assert(false);
case 1: assert(false);
case 2:
dst_url = root_url.resolved(QUrl(items.at(1))).toString();
break;
case 3:
dst_url = "gopher://" + items.at(2) + "/" + line.mid(0,1) + items.at(1);
break;
default:
dst_url = "gopher://" + items.at(2) + ":" + items.at(3) + "/" + line.mid(0,1) + items.at(1);
break;
}
if(not QUrl(dst_url).isValid()) {
// invlaid URL generated
qDebug() << line << dst_url;
}
QTextCharFormat fmt = standard_link;
fmt.setAnchor(true);
fmt.setAnchorHref(dst_url);
cursor.insertText(title + "\n", fmt);
}
}
return result;
}
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