1 files changed, 179 insertions, 0 deletions
diff --git a/diceparser.cpp b/diceparser.cpp
new file mode 100644
index 0000000..6096a4d
--- /dev/null
+++ b/diceparser.cpp
@@ -0,0 +1,179 @@
+#include "diceparser.h"
+#include <QDebug>
+#include <QStringList>
+
+#include "node/dicerollernode.h"
+#include "node/startingnode.h"
+#include "node/scalaroperatornode.h"
+#include "node/numbernode.h"
+
+DiceParser::DiceParser()
+{
+    m_mapDiceOp = new QMap<QString,DiceOperator>();
+    m_mapDiceOp->insert("D",D);
+}
+
+void DiceParser::setCurrentNode(ExecutionNode* node)
+{
+    ExecutionNode* next = node;
+    while(NULL != next->getNextNode() )
+    {
+        next = next->getNextNode();
+    }
+    m_current = next;
+}
+
+void DiceParser::parseLine(QString str)
+{
+    m_start = new StartingNode();
+    m_current = m_start;
+    bool keepParsing = true;
+    ExecutionNode* execNode=NULL;
+    keepParsing = readDiceExpression(str,execNode);
+
+    m_current->setNextNode(execNode);
+    setCurrentNode(execNode);
+
+    execNode=NULL;
+    keepParsing =!str.isEmpty();
+    while(keepParsing)
+    {
+      keepParsing = readOperator(str);
+
+//      if(keepParsing)
+//      {
+//          keepParsing = readDiceExpression(str,execNode);
+
+//          m_current->setNextNode(execNode);
+//          m_current= execNode;
+
+//          if(keepParsing)
+//          {
+//            keepParsing =!str.isEmpty();
+//          }
+//      }
+    }
+
+    m_start->run();
+    ExecutionNode* next = m_start;
+    while(NULL != next->getNextNode() )
+    {
+        next = next->getNextNode();
+    }
+    qDebug() << "list:" <<next->getResult()->getResultList() << "sum" <<next->getResult()->getSum() ;
+}
+bool DiceParser::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;
+}
+
+bool DiceParser::readDice(QString&  str,Dice& dice)
+{
+    DiceOperator myOperator;
+    if(readDiceOperator(str,myOperator))
+    {
+        int num;
+        if(readNumber(str,num))
+        {
+            dice.m_diceOp = myOperator;
+            dice.m_faces = num;
+            return true;
+        }
+    }
+
+        return false;
+
+}
+bool DiceParser::readDiceOperator(QString& str,DiceOperator& op)
+{
+    QStringList listKey = m_mapDiceOp->keys();
+    foreach(QString key, listKey)
+    {
+        if(str.startsWith(key,Qt::CaseInsensitive))
+        {
+            str=str.remove(0,key.size());
+            op = m_mapDiceOp->value(key);
+            return true;
+        }
+    }
+    return false;
+}
+bool DiceParser::readDiceExpression(QString& str,ExecutionNode* & node)
+{
+    int number=1;
+    bool hasRead = readNumber(str,number);
+
+    NumberNode* numberNode = new NumberNode();
+    numberNode->setNumber(number);
+
+
+    Dice myDice;
+    if(readDice(str,myDice))
+    {
+        DiceRollerNode* next = new DiceRollerNode(myDice.m_faces);
+
+        numberNode->setNextNode(next);
+
+        node = numberNode;
+
+        return true;
+    }
+    else if(hasRead)
+    {
+        node = numberNode;
+        return true;
+    }
+    else
+    {
+        qDebug() << "error" << number << str;
+        return false;
+    }
+
+}
+bool DiceParser::readOperator(QString& str)
+{
+    if(str.isEmpty())
+    {
+        return false;
+    }
+
+    ScalarOperatorNode* node = new ScalarOperatorNode();
+    if(node->setOperatorChar(str[0]))
+    {
+
+        ExecutionNode* nodeExec = NULL;
+        str=str.remove(0,1);//removal of one character
+        if(readDiceExpression(str,nodeExec))
+        {
+
+            node->setInternalNode(nodeExec);
+            m_current->setNextNode(node);
+            m_current= node;
+
+            return true;
+        }
+    }
+    return false;
+}