-syntax parsing for dynamic variables.

2 files changed, 31 insertions, 0 deletions

diff --git a/parsingtoolbox.cpp b/parsingtoolbox.cpp
index 02cdd13..0567ba4 100644
--- a/parsingtoolbox.cpp
+++ b/parsingtoolbox.cpp
@@ -345,7 +345,30 @@ bool ParsingToolBox::readNumber(QString& str, qint64& myNumber)
 
     return false;
 }
+bool ParsingToolBox::readDynamicVariable(QString&  str, qint64& index)
+{
+    if(str.isEmpty())
+        return false;
+    if(str.startsWith('$'))
+    {
+        QString number;
+        int i=0;
+        while(i<str.length() && (str[i].isNumber()))
+        {
+            number+=str[i];
+            ++i;
+        }
 
+        bool ok;
+        index = number.toLongLong(&ok);
+        if(ok)
+        {
+            str=str.remove(0,number.size());
+            return true;
+        }
+    }
+    return false;
+}
 bool ParsingToolBox::readString(QString &str, QString& strResult)
 {
     if(str.isEmpty())
diff --git a/parsingtoolbox.h b/parsingtoolbox.h
index 5a87573..8328dc8 100644
--- a/parsingtoolbox.h
+++ b/parsingtoolbox.h
@@ -125,6 +125,14 @@ public:
     static bool readCloseParentheses(QString& str);
 
     /**
+     * @brief readNumber read number in the given str and remove from the string the read character.
+     * @param str the command line
+     * @param myNumber reference to the found number
+     * @return true, succeed to read number, false otherwise.
+     */
+    static bool readDynamicVariable(QString&  str, qint64& index);
+
+    /**
      * @brief readList
      * @param str
      * @param list