feat(StatusQ/Utils): Add StringUtils to expose string-related C++ routines

So far methods like escapeHtml were available via backend, creating
unnecessary dependency on backing in UI components.

ui/StatusQ/CMakeLists.txt

@@ -88,19 +88,21 @@ endif()
 
 add_library(StatusQ SHARED
         ${STATUSQ_QRC_COMPILED}
-        src/plugin.cpp
         include/StatusQ/QClipboardProxy.h
         include/StatusQ/modelutilsinternal.h
         include/StatusQ/permissionutilsinternal.h
         include/StatusQ/rxvalidator.h
         include/StatusQ/statussyntaxhighlighter.h
         include/StatusQ/statuswindow.h
+        include/StatusQ/stringutilsinternal.h
         src/QClipboardProxy.cpp
         src/modelutilsinternal.cpp
         src/permissionutilsinternal.cpp
+        src/plugin.cpp
         src/rxvalidator.cpp
         src/statussyntaxhighlighter.cpp
         src/statuswindow.cpp
+        src/stringutilsinternal.cpp
         )
 
 set_target_properties(StatusQ PROPERTIES 

ui/StatusQ/include/StatusQ/stringutilsinternal.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+class QJSEngine;
+class QQmlEngine;
+
+class StringUtilsInternal : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit StringUtilsInternal(QObject* parent = nullptr);
+
+    Q_INVOKABLE QString escapeHtml(const QString &unsafe) const;
+
+    static QObject* qmlInstance(QQmlEngine *engine, QJSEngine *scriptEngine);
+};

ui/StatusQ/src/StatusQ/Core/Utils/StringUtils.qml

@@ -0,0 +1,11 @@
+pragma Singleton
+
+import QtQuick 2.15
+
+import StatusQ.Internal 0.1 as Internal
+
+QtObject {
+    function escapeHtml(unsafe) {
+        return Internal.StringUtils.escapeHtml(unsafe)
+    }
+}

ui/StatusQ/src/StatusQ/Core/Utils/qmldir

@@ -13,4 +13,5 @@ singleton AmountsArithmetic 0.1 AmountsArithmetic.qml
 singleton Emoji 0.1 Emoji.qml
 singleton ModelUtils 0.1 ModelUtils.qml
 singleton OperatorsUtils 0.1 OperatorsUtils.qml
+singleton StringUtils 0.1 StringUtils.qml
 singleton Utils 0.1 Utils.qml

ui/StatusQ/src/plugin.cpp

@@ -9,6 +9,7 @@
 #include "StatusQ/rxvalidator.h"
 #include "StatusQ/statussyntaxhighlighter.h"
 #include "StatusQ/statuswindow.h"
+#include "StatusQ/stringutilsinternal.h"
 
 class StatusQPlugin : public QQmlExtensionPlugin {
     Q_OBJECT
@@ -26,6 +27,8 @@ public:
 
         qmlRegisterSingletonType<ModelUtilsInternal>(
             "StatusQ.Internal", 0, 1, "ModelUtils", &ModelUtilsInternal::qmlInstance);
+        qmlRegisterSingletonType<StringUtilsInternal>(
+            "StatusQ.Internal", 0, 1, "StringUtils", &StringUtilsInternal::qmlInstance);
 
         qmlRegisterSingletonType<PermissionUtilsInternal>("StatusQ.Internal", 0, 1, "PermissionUtils", [](QQmlEngine *, QJSEngine *) {
             return new PermissionUtilsInternal;

ui/StatusQ/src/statusq.qrc

@@ -207,6 +207,7 @@
         <file>StatusQ/Core/Utils/ModelUtils.qml</file>
         <file>StatusQ/Core/Utils/ModelsComparator.qml</file>
         <file>StatusQ/Core/Utils/ModelChangeTracker.qml</file>
+        <file>StatusQ/Core/Utils/StringUtils.qml</file>
         <file>StatusQ/Components/StatusPageIndicator.qml</file>
         <file>StatusQ/Components/StatusQrCodeScanner.qml</file>
         <file>StatusQ/Components/StatusOnlineBadge.qml</file>

ui/StatusQ/src/stringutilsinternal.cpp

@@ -0,0 +1,20 @@
+#include "StatusQ/stringutilsinternal.h"
+
+StringUtilsInternal::StringUtilsInternal(QObject* parent)
+    : QObject(parent)
+{
+}
+
+QString StringUtilsInternal::escapeHtml(const QString &unsafe) const
+{
+    return unsafe.toHtmlEscaped();
+}
+
+QObject* StringUtilsInternal::qmlInstance(QQmlEngine *engine,
+                                          QJSEngine *scriptEngine)
+{
+    Q_UNUSED(engine);
+    Q_UNUSED(scriptEngine);
+
+    return new StringUtilsInternal;
+}