src/tests/add-ons/print/ppd/model/Statement.h

   1 /*
   2  * Copyright 2008, Haiku.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer <laplace@users.sourceforge.net>
   7  */
   8
   9 #ifndef _STATEMENT_H
  10 #define _STATEMENT_H
  11
  12 #include "StatementList.h"
  13 #include "Value.h"
  14
  15 class Statement
  16 {
  17 public:
  18         enum Type {
  19                 kDefault,
  20                 kQuery,
  21                 kValue,
  22                 kParam,
  23                 kUnknown
  24         };
  25
  26 private:
  27         Type           fType;
  28         BString*       fKeyword;
  29         Value*         fOption;
  30         Value*         fValue;
  31         StatementList* fChildren;
  32
  33         const char* ElementForType();
  34
  35 public:
  36         Statement();
  37         virtual ~Statement();
  38
  39         void SetType(Type type);
  40         Type GetType();
  41
  42         void SetKeyword(BString* keyword);
  43         // mandatory in a valid statement
  44         BString* GetKeyword();
  45
  46         void SetOption(Value* value);
  47         // optional in a valid statement
  48         Value* GetOption();
  49
  50         void SetValue(Value* value);
  51         // optional in a valid statement
  52         Value* GetValue();
  53
  54         void AddChild(Statement* statement);
  55         // optional in a valid statement
  56         StatementList* GetChildren();
  57
  58         // convenience methods
  59         bool IsDefaultStatement() { return fType == kDefault; }
  60         bool IsQueryStatement()   { return fType == kQuery; }
  61         bool IsValueStatement()   { return fType == kValue; }
  62         bool IsParamStatement()   { return fType == kParam; }
  63         bool IsUnknownStatement() { return fType == kUnknown; }
  64
  65         const char* GetKeywordString();
  66         const char* GetOptionString();
  67         const char* GetTranslationString();
  68         const char* GetValueString();
  69         const char* GetValueTranslationString();
  70
  71         void Print();
  72 };
  73
  74 #endif