1 mike  1.1.2.1 //%/////////////////////////////////////////////////////////////////////////////
 2               //
 3               // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM, 
 4               // The Open Group, Tivoli Systems
 5               //
 6               // Permission is hereby granted, free of charge, to any person obtaining a copy
 7               // of this software and associated documentation files (the "Software"), to 
 8               // deal in the Software without restriction, including without limitation the 
 9               // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
10               // sell copies of the Software, and to permit persons to whom the Software is
11               // furnished to do so, subject to the following conditions:
12               // 
13               // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 
14               // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15               // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
16               // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
17               // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
18               // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
19               // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20               // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21               //
22 mike  1.1.2.1 //==============================================================================
23               //
24               // Author: Mike Brasher (mbrasher@bmc.com)
25               //
26               // Modified By:
27               //
28               //%/////////////////////////////////////////////////////////////////////////////
29               
30               #include <Pegasus/Common/Config.h>
31               #include <iostream>
32               #include "WQLParser.h"

33 mike  1.1.2.5 #include "WQLParserState.h"

34 mike  1.1.2.1 

35 mike  1.1.2.2 PEGASUS_USING_STD;
36               
37               extern int WQL_parse();
38               

39 mike  1.1.2.1 PEGASUS_NAMESPACE_BEGIN
40               

41 mike  1.1.2.5 WQLParserState* globalParserState = 0;

42 mike  1.1.2.1 

43 mike  1.1.2.5 void WQLParser::parse(
44                   const Array<Sint8>& text,
45                   WQLSelectStatement& statement)

46 mike  1.1.2.2 {

47 mike  1.1.2.3     // ATTN: raise error here:
48               
49                   if (text.size() == 0 || text[text.size() - 1] != '\0')
50               	return;
51               

52 mike  1.1.2.5     globalParserState = new WQLParserState;
53                   globalParserState->error = false;
54                   globalParserState->text = text;
55                   globalParserState->offset = 0;
56                   globalParserState->statement = &statement;
57               

58 mike  1.1.2.2     WQL_parse();

59 mike  1.1.2.5 
60                   delete globalParserState;

61 mike  1.1.2.1 }
62               
63               PEGASUS_NAMESPACE_END

64 mike  1.1.2.2 
65               PEGASUS_USING_PEGASUS;
66               
67               int WQLInput(char* buffer, int& numRead, int numRequested)
68               {

69 mike  1.1.2.3     //
70                   // Be sure to account for the null terminator (the size of the text will
71                   // be one or more; this is fixed checked beforehand by WQLParser::parse()).
72                   //
73               

74 mike  1.1.2.5     int remaining = 
75               	globalParserState->text.size() - globalParserState->offset - 1;

76 mike  1.1.2.2 
77                   if (remaining == 0)
78                   {
79               	numRead = 0;
80               	return 0;
81                   }
82               
83                   if (remaining < numRequested)
84               	numRequested = remaining;
85               

86 mike  1.1.2.5     memcpy(buffer, 
87               	globalParserState->text.getData() + globalParserState->offset, 
88               	numRequested);
89               
90                   globalParserState->offset += numRequested;

91 mike  1.1.2.2     numRead = numRequested;
92               
93                   return numRead;
94               }