1 files changed, 129 insertions, 0 deletions
diff --git a/kommander/widget/parsenode.h b/kommander/widget/parsenode.h
new file mode 100644
index 00000000..305b0998
--- /dev/null
+++ b/kommander/widget/parsenode.h
@@ -0,0 +1,129 @@
+/***************************************************************************
+                    parsenode.cpp - Single parsed item
+                             -------------------
+    copyright          : (C) 2004      Michal Rudolf <[email protected]>
+    
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _HAVE_PARSENODE_H_
+#define _HAVE_PARSENODE_H_
+
+#include <qstring.h>
+ 
+namespace Parse
+{
+  enum Keyword {For, To, Step, End, While, Do, Foreach, In, If, Then, Else, Elseif, Endif, Switch, Case, 
+    Break, Continue, Exit, Dot, Semicolon, Comma, Assign, Less, LessEqual, Greater, GreaterEqual, Equal, NotEqual, 
+    Not, And, Or, False, True, LeftParenthesis, RightParenthesis, LeftBracket, DoubleBracket, RightBracket, LeftCurlyBrace, RightCurlyBrace, PlusEqual, MinusEqual, Increment, Decrement,
+    Plus, Minus, Multiply, Divide, Mod, LastRealKeyword = Mod, Variable, Invalid, Array, Matrix, ArrKeyVal};
+
+  enum KeywordGroup {GroupComparison, GroupAdd, GroupMultiply, GroupMisc};
+  enum ValueType {ValueString, ValueInt, ValueDouble, ValueValue = ValueDouble, ValueKeyword,
+     ValueNone, ValueError};
+
+  enum Mode{Execute, CheckOnly};
+
+  enum Flow{FlowStandard, FlowContinue, FlowBreak, FlowExit};
+}
+
+class ParseNode {
+public:
+  /* Default constructor */
+  ParseNode();
+  /* Create node from string */
+  ParseNode(const QString& s);
+  /* Create node from integer */
+  ParseNode(int i);
+  /* Create node from integer */
+  ParseNode(uint i);
+  /* Create node from double */
+  ParseNode(double d);
+  /* Create node from keyword */
+  ParseNode(Parse::Keyword k);
+  /* Create node from keyword and variable name */
+  ParseNode(Parse::Keyword k, const QString& s);
+  /* Create error node with optional error message */
+  static ParseNode error(const QString& s);
+
+  /* Return current type */
+  Parse::ValueType type() const;
+  /* Return current keyword if appropriate */
+  Parse::Keyword keyword() const;
+  /* Cast value to string */
+  QString toString() const;
+  /* Cast value to integer */
+  int toInt() const;
+  /* Cast value to double */
+  double toDouble() const;
+  /* Cast value to bool */
+  bool toBool() const;
+  /* Check if a value is valid */
+  bool isValid() const;
+  /* Check if current value is a keyword */
+  bool isKeyword() const;
+  /* Check if current value is a given keyword */
+  bool isKeyword(Parse::Keyword k) const;
+  /* Check if current value is a variable */
+  bool isVariable() const;
+  /* Check if current value is an Array */
+  bool isArray() const;
+  /* Return the name of variable */
+  QString variableName() const;
+  /* Return the name of array */
+  QString arrayName() const;
+  /* Return error message if applicable */
+  QString errorMessage() const;
+  /* Calculate common type for two nodes */
+  Parse::ValueType commonType(const ParseNode& p) const;
+  /* Find common type and compare values */
+  int compare(const ParseNode& p) const;    
+  /* Various comparing functions */
+  bool operator==(int i) const;
+  bool operator==(bool b) const;
+  bool operator==(const QString& s) const;
+  bool operator==(const ParseNode& p) const;
+  bool operator!=(const ParseNode& p) const;
+  bool operator>=(const ParseNode& p) const;
+  bool operator<=(const ParseNode& p) const;
+  bool operator>(const ParseNode& p) const;
+  bool operator<(const ParseNode& p) const;
+  /* set value as integer */
+  void setValue(int i);
+  /* set value as double */
+  void setValue(double d);
+  /* set value as string */
+  void setValue(const QString& s);
+  /* set value as variable */
+  void setVariable(const QString& name);
+  /* set value as array */
+  void setArray(const QString& name);
+  /* check if it is correct value */
+  bool isValue() const;
+  /* for setting some context information, f. e. for bug reporting */
+  void setContext(int c);
+  /* get current context */
+  int context() const;
+  
+private:
+  Parse::ValueType m_type;
+  union {
+    int m_int;
+    double m_double;
+    Parse::Keyword m_keyword;
+  };
+  QString m_string;
+  int m_context;
+};
+
+
+#endif
+