Numeric character and character entity references are now also supported when convert...

[evaf] / src / libs / Common / util.cpp

diff --git a/src/libs/Common/util.cpp b/src/libs/Common/util.cpp
index ccabdab922921a0ac2b927149cfd8e6dc22c86d8..30874ebadcaf6bd9df0babe5065b7fe62f9ba376 100644 (file)
--- a/src/libs/Common/util.cpp
+++ b/src/libs/Common/util.cpp
@@ -19,6 +19,7 @@
 
 #include "util.h"
 
+#include <stdio.h>
 
 //-------------------------------------------------------------------
 
@@ -58,24 +59,214 @@ QVariant eVaf::Common::toVariant(QString const & value, QVariant const & default
             break;
         }
         case QVariant::Bool: {
-            bool ok;
-            uint v = value.toUInt(&ok, 0);
             if (eVaf::Common::isTrue(value))
                 return QVariant(true);
             else if (eVaf::Common::isFalse(value))
                 return QVariant(false);
-            else
-                return QVariant(v);
+            else {
+                bool ok;
+                uint v = value.toUInt(&ok, 0);
+                if (ok)
+                    return QVariant(v);
+                else
+                    return defaultValue;
+            }
             break;
         }
         case QVariant::Char: {
-            if (value.size() > 0)
-                return QVariant(value.at(0));
-            else
-                return defaultValue;
+            if (value.size() > 0) {
+                if (value.startsWith("\\0x")) {
+                    bool ok;
+                    char c = value.mid(1).toUInt(&ok, 16);
+                    if (ok)
+                        return QVariant(c);
+                }
+                else if (value.startsWith("\\0")) {
+                    bool ok;
+                    char c = value.mid(1).toUInt(&ok, 8);
+                    if (ok)
+                        return QVariant(c);
+                }
+                else if (value.startsWith('&')) {
+                    QString c = strFromEscapedCharArray(value.toLatin1());
+                    if (c.size() > 0)
+                        return QVariant(c.at(0));
+                }
+                else
+                    return QVariant(value.at(0));
+            }
+            return defaultValue;
             break;
         }
         default:
             return QVariant(value);
     }
 }
+
+QByteArray eVaf::Common::strToEscapedCharArray(QString const & str)
+{
+    QByteArray rval;
+    foreach (QChar c, str) {
+        if (c.unicode() < 32 || c.unicode() >= 127)
+            rval.append("&#x" + QByteArray::number(c.unicode(), 16) + ";");
+        else if (c == '\"')
+            rval.append("&quot;");
+        else if (c == '&')
+            rval.append("&amp;");
+        else if (c == '\'')
+            rval.append("&apos;");
+        else if (c == '<')
+            rval.append("&lt;");
+        else if (c == '>')
+            rval.append("&gt;");
+        else
+            rval.append((char const)c.unicode());
+    }
+
+    return rval;
+}
+
+QString eVaf::Common::strFromEscapedCharArray(QByteArray const & str)
+{
+    QString rval;
+
+    bool e = false;
+    QByteArray ref;
+    foreach (char c, str) {
+        if (!e) {
+            if (c == '&') {
+                e = true;
+                ref = "&";
+            }
+            else
+                rval.append(QChar((ushort)c));
+        }
+        else {
+            ref.append(c);
+            if (c == ';') {
+                e = false;
+                ref = ref.toLower();
+
+                if (ref.startsWith("&#x")) {
+                    // Numeric character reference in the HEX format
+                    bool ok;
+                    ushort ucode = ref.mid(3, ref.size() - 4).toUInt(&ok, 16);
+                    if (ok)
+                        rval.append(QChar(ucode));
+                    else
+                        // Invalid numeric character reference; output as is
+                        rval.append(ref);
+                }
+                else if (ref.startsWith("&#")) {
+                    // Numeric character reference in the DEC format
+                    bool ok;
+                    ushort ucode = ref.mid(2, ref.size() - 3).toUInt(&ok, 10);
+                    if (ok)
+                        rval.append(QChar(ucode));
+                    else
+                        // Invalid numeric character reference; output as is
+                        rval.append(ref);
+                }
+                else if (ref == "&quot;")
+                    rval.append('\"');
+                else if (ref == "&amp;")
+                    rval.append('&');
+                else if (ref == "&apos;")
+                    rval.append('\'');
+                else if (ref == "&lt;")
+                    rval.append('<');
+                else if (ref == "&gt;")
+                    rval.append('>');
+                else
+                    // Unknown reference, output as is
+                    rval.append(ref);
+            }
+        }
+    }
+
+    return rval;
+}
+
+QByteArray eVaf::Common::binToEscapedCharArray(QByteArray const & src)
+{
+    QByteArray rval;
+    foreach (uchar c, src) {
+        if (c < 32 || c >= 127)
+            rval.append("&#x" + QByteArray::number(c, 16) + ";");
+        else if (c == '\"')
+            rval.append("&quot;");
+        else if (c == '&')
+            rval.append("&amp;");
+        else if (c == '\'')
+            rval.append("&apos;");
+        else if (c == '<')
+            rval.append("&lt;");
+        else if (c == '>')
+            rval.append("&gt;");
+        else
+            rval.append(c);
+    }
+
+    return rval;
+}
+
+QByteArray eVaf::Common::binFromEscapedCharArray(QByteArray const & str)
+{
+    QByteArray rval;
+
+    bool e = false;
+    QByteArray ref;
+    foreach (char c, str) {
+        if (!e) {
+            if (c == '&') {
+                e = true;
+                ref = "&";
+            }
+            else
+                rval.append(c);
+        }
+        else {
+            ref.append(c);
+            if (c == ';') {
+                e = false;
+                ref = ref.toLower();
+
+                if (ref.startsWith("&#x")) {
+                    // Numeric character reference in the HEX format
+                    bool ok;
+                    uchar ucode = ref.mid(3, ref.size() - 4).toUInt(&ok, 16);
+                    if (ok)
+                        rval.append(ucode);
+                    else
+                        // Invalid numeric character reference; output as is
+                        rval.append(ref);
+                }
+                else if (ref.startsWith("&#")) {
+                    // Numeric character reference in the DEC format
+                    bool ok;
+                    uchar ucode = ref.mid(2, ref.size() - 3).toUInt(&ok, 10);
+                    if (ok)
+                        rval.append(ucode);
+                    else
+                        // Invalid numeric character reference; output as is
+                        rval.append(ref);
+                }
+                else if (ref == "&quot;")
+                    rval.append('\"');
+                else if (ref == "&amp;")
+                    rval.append('&');
+                else if (ref == "&apos;")
+                    rval.append('\'');
+                else if (ref == "&lt;")
+                    rval.append('<');
+                else if (ref == "&gt;")
+                    rval.append('>');
+                else
+                    // Unknown reference, output as is
+                    rval.append(ref);
+            }
+        }
+    }
+
+    return rval;
+}