Add experimental printer attribute override

harbour-seaprint.pro

@@ -44,6 +44,7 @@ SOURCES += src/harbour-seaprint.cpp \
     src/mimer.cpp \
     ppm2pwg/ppm2pwg.cpp \
     ppm2pwg/bytestream/bytestream.cpp \
+    src/overrider.cpp \
     src/svgprovider.cpp
 
 DISTFILES += qml/harbour-seaprint.qml \
@@ -90,6 +91,7 @@ HEADERS += \
     ppm2pwg/UrfPgHdr.codable \
     ppm2pwg/bytestream/bytestream.h \
     ppm2pwg/bytestream/codable.h \
+    src/overrider.h \
     src/papersizes.h \
     src/svgprovider.h
 

src/ippprinter.cpp

@@ -2,6 +2,7 @@
 #include <seaprint_version.h>
 #include "mimer.h"
 #include "papersizes.h"
+#include "overrider.h"
 
 IppPrinter::IppPrinter()
 {
@@ -114,6 +115,7 @@ void IppPrinter::refresh() {
             // These won't load anyway...r
             _attrs.remove("printer-icons");
             file.close();
+            Overrider::instance()->apply(_attrs);
         }
         emit attrsChanged();
         UpdateAdditionalDocumentFormats();
@@ -168,6 +170,8 @@ void IppPrinter::getPrinterAttributesFinished(QNetworkReply *reply)
             IppMsg resp(reply);
             qDebug() << resp.getStatus() << resp.getOpAttrs() << resp.getPrinterAttrs();
             _attrs = resp.getPrinterAttrs();
+            Overrider::instance()->apply(_attrs);
+
         }
         catch(const std::exception& e)
         {

src/overrider.cpp

@@ -0,0 +1,62 @@
+#include "overrider.h"
+#include <QMutex>
+#include <QStandardPaths>
+#include <QtDebug>
+
+Overrider::Overrider()
+{
+//    QFile file(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation)+"/overrides");
+    QFile file(QStandardPaths::writableLocation(QStandardPaths::HomeLocation)+"/.seaprint_overrides");
+    qDebug() << "AAAAAAAAAAAAAAA" << file.fileName();
+    if(file.open(QIODevice::ReadOnly))
+    {
+        QJsonDocument JsonDocument = QJsonDocument::fromJson(file.readAll());
+
+        _overrides = JsonDocument.object();
+        qDebug() << "overides loaded" << _overrides;
+        file.close();
+    }
+}
+
+Overrider::~Overrider() {
+}
+
+Overrider* Overrider::m_Instance = nullptr;
+
+Overrider* Overrider::instance()
+{
+    static QMutex mutex;
+    if (!m_Instance)
+    {
+        mutex.lock();
+
+        if (!m_Instance)
+            m_Instance = new Overrider();
+
+        mutex.unlock();
+    }
+
+    return m_Instance;
+}
+
+bool Overrider::apply(QJsonObject& attrs)
+{
+    bool applied = false;
+    foreach(const QString& key, _overrides.keys())
+    {
+        if(attrs.contains(key))
+        {
+            QString match = attrs[key].toObject()["value"].toString();
+            if(match != "" && _overrides[key].toObject().contains(match))
+            {
+                QJsonObject overrideden_data = _overrides[key].toObject()[match].toObject();
+                foreach(const QString& o_key, overrideden_data.keys())
+                {
+                    attrs.insert(o_key, overrideden_data[o_key]);
+                }
+                applied=true;
+            }
+        }
+    }
+    return applied;
+}

src/overrider.h

@@ -0,0 +1,24 @@
+#ifndef OVERRIDER_H
+#define OVERRIDER_H
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QFile>
+
+class Overrider
+{
+public:
+    static Overrider* instance();
+    bool apply(QJsonObject& attrs);
+
+private:
+    Overrider();
+    ~Overrider();
+    Overrider(const Overrider &);
+    Overrider& operator=(const Overrider &);
+
+    static Overrider* m_Instance;
+    QJsonObject _overrides;
+};
+
+#endif // OVERRIDER_H