1 files changed, 132 insertions, 0 deletions
diff --git a/parsingtoolbox.cpp b/parsingtoolbox.cpp
new file mode 100644
index 0000000..46f159d
--- /dev/null
+++ b/parsingtoolbox.cpp
@@ -0,0 +1,132 @@
+#include <QString>
+
+#include "parsingtoolbox.h"
+#include "node/sortresult.h"
+
+
+ParsingToolBox::ParsingToolBox()
+{
+    m_logicOp = new QMap<QString,BooleanCondition::LogicOperator>();
+    m_logicOp->insert(">=",BooleanCondition::GreaterOrEqual);
+    m_logicOp->insert("<=",BooleanCondition::LesserOrEqual);
+    m_logicOp->insert("<",BooleanCondition::LesserThan);
+    m_logicOp->insert("=",BooleanCondition::Equal);
+    m_logicOp->insert(">",BooleanCondition::GreaterThan);
+}
+ExecutionNode* ParsingToolBox::addSort(ExecutionNode* e,bool b)
+{
+    SortResultNode* nodeSort = new SortResultNode();
+    nodeSort->setSortAscending(b);
+    e->setNextNode(nodeSort);
+    return nodeSort;
+}
+bool ParsingToolBox::readLogicOperator(QString& str,BooleanCondition::LogicOperator& op)
+{
+    QString longKey;
+    foreach(QString tmp, m_logicOp->keys())
+    {
+        if(str.startsWith(tmp))
+        {
+            if(longKey.size()<tmp.size())
+            {
+                longKey = tmp;
+            }
+        }
+    }
+    if(longKey.size()>0)
+    {
+        str=str.remove(0,longKey.size());
+        op = m_logicOp->value(longKey);
+        return true;
+    }
+
+    return false;
+}
+Validator* ParsingToolBox::readValidator(QString& str)
+{
+    Validator* returnVal=NULL;
+    bool expectSquareBrasket=false;
+    bool isOk = true;
+    if((str.startsWith("[")))
+    {
+        str=str.remove(0,1);
+        expectSquareBrasket = true;
+    }
+
+    BooleanCondition::LogicOperator myLogicOp = BooleanCondition::Equal;
+    bool hasReadLogicOperator = readLogicOperator(str,myLogicOp);
+    int value=0;
+
+    if(readNumber(str,value))
+    {
+        if(str.startsWith("-"))
+        {
+            str=str.remove(0,1);
+            int end=0;
+            if(readNumber(str,end))
+            {
+                if(expectSquareBrasket)
+                {
+                    if(str.startsWith("]"))
+                    {
+                        str=str.remove(0,1);
+                        isOk=true;
+                    }
+                    else
+                    {
+                        isOk=false;
+                    }
+                }
+                if(isOk)
+                {
+                    str=str.remove(0,1);
+                    Range* range = new Range();
+                    range->setValue(value,end);
+                    returnVal = range;
+                }
+            }
+        }
+        else
+        {
+            if((expectSquareBrasket)&&(str.startsWith("]")))
+            {
+                str=str.remove(0,1);
+                isOk=true;
+            }
+            if(isOk)
+            {
+                BooleanCondition* condition = new BooleanCondition();
+                condition->setValue(value);
+                condition->setOperator(myLogicOp);
+                returnVal = condition;
+            }
+        }
+    }
+    return returnVal;
+}
+bool ParsingToolBox::readNumber(QString& str, int& myNumber)
+{
+    if(str.isEmpty())
+        return false;
+
+    QString number;
+    int i=0;
+
+    while(i<str.length() && str[i].isNumber())
+    {
+        number+=str[i];
+        ++i;
+    }
+
+    if(number.isEmpty())
+        return false;
+
+    bool ok;
+    myNumber = number.toInt(&ok);
+    if(ok)
+    {
+        str=str.remove(0,number.size());
+        return true;
+    }
+    return false;
+}