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Diffstat (limited to 'EdkCompatibilityPkg/Other/Maintained/Tools/Pccts/h/BufFileInput.h')
-rw-r--r-- | EdkCompatibilityPkg/Other/Maintained/Tools/Pccts/h/BufFileInput.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Other/Maintained/Tools/Pccts/h/BufFileInput.h b/EdkCompatibilityPkg/Other/Maintained/Tools/Pccts/h/BufFileInput.h new file mode 100644 index 0000000000..ea54c0ee26 --- /dev/null +++ b/EdkCompatibilityPkg/Other/Maintained/Tools/Pccts/h/BufFileInput.h @@ -0,0 +1,53 @@ +// FILE: BufFileInput.h
+// AUTHOR: Alexey Demakov (AVD) demakov@kazbek.ispras.ru
+// CREATION: 26-JAN-1998
+// DESCRIPTION: File Input Stream with lookahead for Scanner
+// Tested under Win32 with ANTLR 1.33 MR10 and MSVC 5.0
+
+// Change History:
+//
+// 28-May-1998 Add virtual destructor to release buffer
+// Manfred Kogler (km@cast.uni-linz.ac.at)
+// (1.33MR14)
+
+#ifndef BufFileInput_h
+#define BufFileInput_h
+
+#include "pcctscfg.h"
+
+#include "pccts_stdio.h"
+
+PCCTS_NAMESPACE_STD
+
+#include "DLexerBase.h"
+
+class DllExportPCCTS BufFileInput : public DLGInputStream
+{
+public:
+ // constructor
+ // f - input stream
+ // buf_size - size of buffer (maximal length for string in is_in)
+
+ BufFileInput(FILE *f, int buf_size = 8 );
+
+ virtual ~BufFileInput();
+
+ // gets next char from stream
+
+ virtual int nextChar( void );
+
+ // looks in stream and compares next l characters with s
+ // returns the result of comparision
+
+ int lookahead( char* s );
+
+private:
+ FILE *input; // input stream;
+ int* buf; // buffer
+ int size; // size of buffer
+ int start; // position of the first symbol in buffer
+ int len; // count of characters in buffers
+};
+
+#endif
+// end of file BufFileInput.h
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