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19 
20 #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
21 #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
22 
23 #include <rtl/string.hxx>
24 #include <sal/types.h>
25 #include <tools/long.hxx>
26 
27 class SvStream;
28 
29 class DXFGroupReader
30 {
31 public:
32     explicit DXFGroupReader( SvStream & rIStream );
33 
34     bool GetStatus() const;
35 
36     void SetError();
37 
38     sal_uInt16 Read();
39         // Reads next group and returns the group code.
40         // In case of an error GetStatus() returns sal_False, group code will be set
41         // to 0 and SetS(0,"EOF") will be executed.
Read(sal_uInt16 nExpectedG)42     bool Read(sal_uInt16 nExpectedG) { return Read() == nExpectedG; }
43 
44     sal_uInt16 GetG() const;
45         // Return the last group code (the one the last Read() did return).
46 
47     tools::Long   GetI() const;
48         // Returns the integer value of the group which was read earlier with Read().
49         // This read must have returned a group code for datatype Integer.
50         // If not 0 is returned
51 
52     double GetF() const;
53         // Returns the floating point value of the group which was read earlier with Read().
54         // This read must have returned a group code for datatype Floatingpoint.
55         // If not 0 is returned
56 
57     const OString& GetS() const;
58         // Returns the string of the group which was read earlier with Read().
59         // This read must have returned a group code for datatype String.
60         // If not NULL is returned
61 
62     sal_uInt64 remainingSize() const;
63 private:
64 
65     tools::Long   ReadI();
66     double ReadF();
67     void   ReadS();
68 
69     SvStream & rIS;
70     bool bStatus;
71     sal_uInt16 nLastG;
72 
73     OString S;
74     union {
75         double F;
76         tools::Long I;
77     };
78 };
79 
80 
GetStatus() const81 inline bool DXFGroupReader::GetStatus() const
82 {
83     return bStatus;
84 }
85 
86 
SetError()87 inline void DXFGroupReader::SetError()
88 {
89     bStatus=false;
90 }
91 
GetG() const92 inline sal_uInt16 DXFGroupReader::GetG() const
93 {
94     return nLastG;
95 }
96 
GetI() const97 inline tools::Long DXFGroupReader::GetI() const
98 {
99     return I;
100 }
101 
GetF() const102 inline double DXFGroupReader::GetF() const
103 {
104     return F;
105 }
106 
GetS() const107 inline const OString& DXFGroupReader::GetS() const
108 {
109     return S;
110 }
111 
112 #endif
113 
114 
115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
116