Restructures the project source and cleans up a bit

1 files changed, 192 insertions, 0 deletions

diff --git a/src/renderers/gophermaprenderer.cpp b/src/renderers/gophermaprenderer.cpp
new file mode 100644
index 0000000..6779a9a
--- /dev/null
+++ b/src/renderers/gophermaprenderer.cpp
@@ -0,0 +1,192 @@
+#include "gophermaprenderer.hpp"
+#include <cassert>
+#include <QTextList>
+#include <QTextBlock>
+#include <QList>
+#include <QStringList>
+#include <QTextImageFormat>
+
+#include <QDebug>
+#include <QImage>
+
+#include "kristall.hpp"
+
+
+std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input, const QUrl &root_url, const DocumentStyle &themed_style)
+{
+    QTextCharFormat standard;
+    standard.setFont(themed_style.preformatted_font);
+    standard.setForeground(themed_style.preformatted_color);
+
+    QTextCharFormat standard_link;
+    standard_link.setFont(themed_style.preformatted_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));
+
+    bool emit_text_only = (global_options.gophermap_display == GenericSettings::PlainText);
+
+    std::unique_ptr<QTextDocument> result = std::make_unique<QTextDocument>();
+    result->setDocumentMargin(themed_style.margin);
+
+    if(not emit_text_only)
+    {
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/binary"), QVariant::fromValue(QImage(":/icons/gopher/binary.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/directory"), QVariant::fromValue(QImage(":/icons/gopher/directory.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/dns"), QVariant::fromValue(QImage(":/icons/gopher/dns.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/error"), QVariant::fromValue(QImage(":/icons/gopher/error.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/gif"), QVariant::fromValue(QImage(":/icons/gopher/gif.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/html"), QVariant::fromValue(QImage(":/icons/gopher/html.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/image"), QVariant::fromValue(QImage(":/icons/gopher/image.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/mirror"), QVariant::fromValue(QImage(":/icons/gopher/mirror.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/search"), QVariant::fromValue(QImage(":/icons/gopher/search.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/sound"), QVariant::fromValue(QImage(":/icons/gopher/sound.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/telnet"), QVariant::fromValue(QImage(":/icons/gopher/telnet.svg")));
+        result->addResource(QTextDocument::ImageResource, QUrl("gopher/text"), QVariant::fromValue(QImage(":/icons/gopher/text.svg")));
+    }
+
+    QTextCursor cursor{result.get()};
+
+    QTextBlockFormat non_list_format = cursor.blockFormat();
+
+    char last_type = '1';
+
+    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;
+        QString scheme = "gopher";
+
+        auto type = line.at(0);
+        switch (type)
+        {
+        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 = "dns";
+            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 = "binary";
+            break;
+        case '5': // DOS file
+            icon = "binary";
+            break;
+        case '6': // uuencoded file
+            icon = "binary";
+            break;
+        case '7': // Gopher full-text search
+            icon = "search";
+            break;
+        case '8': // Telnet
+            icon = "telnet";
+            scheme = "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";
+            scheme = "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;
+        }
+        if(type == '+') {
+            type = last_type;
+        } else {
+            last_type = type;
+        }
+
+        QString title = items.at(0);
+
+        if (type == '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 = scheme + "://" + items.at(2) + "/" + QString(type) + items.at(1);
+                break;
+            default:
+                dst_url = scheme + "://" + items.at(2) + ":" + items.at(3) + "/" + QString(type) + items.at(1);
+                break;
+            }
+
+            if (not QUrl(dst_url).isValid())
+            {
+                // invlaid URL generated
+                qDebug() << line << dst_url;
+            }
+
+            if(emit_text_only)
+            {
+                cursor.insertText("[" + icon + "] ", standard);
+            }
+            else
+            {
+                QTextImageFormat icon_fmt;
+                icon_fmt.setName(QString("gopher/%1").arg(icon));
+                icon_fmt.setVerticalAlignment(QTextImageFormat::AlignTop);
+
+                cursor.insertImage(icon_fmt);
+                cursor.insertText(" ");
+            }
+
+            QTextCharFormat fmt = standard_link;
+            fmt.setAnchor(true);
+            fmt.setAnchorHref(dst_url);
+            cursor.insertText(title + "\n", fmt);
+        }
+    }
+
+    return result;
+}