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1675 lines
47 KiB
1675 lines
47 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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qryparse.cxx
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Abstract:
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Author:
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Felix Wong [t-FelixW] 05-Nov-1996
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++*/
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#include "nds.hxx"
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#pragma hdrstop
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//#define DEBUG_DUMPSTACK
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//#define DEBUG_DUMPRULE
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#if (defined(DEBUG_DUMPSTACK) || defined (DEBUG_DUMPRULE))
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#include "stdio.h"
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#endif
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#define MAPHEXTODIGIT(x) ( x >= '0' && x <= '9' ? (x-'0') : \
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x >= 'A' && x <= 'F' ? (x-'A'+10) : \
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x >= 'a' && x <= 'f' ? (x-'a'+10) : 0 )
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nuint16 g_MapTokenToNdsToken[] = {
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FTOK_END, // TOKEN_ERROR
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FTOK_LPAREN, // TOKEN_LPARAN
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FTOK_RPAREN, // TOKEN_RPARAN
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FTOK_OR, // TOKEN_OR
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FTOK_AND, // TOKEN_AND
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FTOK_NOT, // TOKEN_NOT
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FTOK_APPROX, // TOKEN_APPROX_EQ
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FTOK_EQ, // TOKEN_EQ
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FTOK_LE, // TOKEN_LE
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FTOK_GE, // TOKEN_GE
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FTOK_PRESENT, // TOKEN_PRESENT
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FTOK_ANAME, // TOKEN_ATTRTYPE
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FTOK_AVAL, // TOKEN_ATTRVAL
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FTOK_END // TOKEN_ENDINPUT
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};
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// Action Table
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typedef struct _action{
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DWORD type;
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DWORD dwState;
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}action;
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// Rule Table
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typedef struct _rule{
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DWORD dwNumber;
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DWORD dwA;
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}rule;
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enum types {
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N,
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S,
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R,
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A
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};
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#define X 99
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action g_action[28][14] = {
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// ERROR ,LPARAN,RPARAN,OR, AND, NOT, APPROX,EQ, LE, GE, PRESNT,ATYPE, VAL, END,
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/*00*/ { {N,X },{S,2 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*01*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{A,X } },
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/*02*/ { {N,X },{N,X },{N,X },{S,12},{S,11},{S,13},{N,X },{N,X },{N,X },{N,X },{N,X },{S,14},{N,X },{N,X } },
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/*03*/ { {N,X },{N,X },{R,2 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*04*/ { {N,X },{N,X },{R,3 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*05*/ { {N,X },{N,X },{R,4 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*06*/ { {N,X },{N,X },{R,5 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*07*/ { {N,X },{N,X },{S,15},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*08*/ { {N,X },{N,X },{R,11},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*09*/ { {N,X },{N,X },{R,12},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*10*/ { {N,X },{N,X },{R,13},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*11*/ { {N,X },{S,2 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*12*/ { {N,X },{S,2 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*13*/ { {N,X },{S,2 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*14*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{S,20},{S,26},{S,22},{S,21},{S,23},{N,X },{N,X },{N,X } },
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/*15*/ { {N,X },{R,1 },{R,1 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{R,1 } },
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/*16*/ { {N,X },{N,X },{R,6 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*17*/ { {N,X },{S,2 },{R,9 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*18*/ { {N,X },{N,X },{R,7 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*19*/ { {N,X },{N,X },{R,8 },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*20*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{R,15},{N,X } },
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/*21*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{R,16},{N,X } },
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/*22*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{R,17},{N,X } },
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/*23*/ { {N,X },{N,X },{R,18},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*24*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{S,25},{N,X } },
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/*25*/ { {N,X },{N,X },{R,14},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } },
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/*26*/ { {N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{R,19},{N,X } },
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/*27*/ { {N,X },{N,X },{R,10},{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X },{N,X } }
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};
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enum non_terminals {
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NONTERM_F,
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NONTERM_FC,
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NONTERM_AND,
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NONTERM_OR,
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NONTERM_NOT,
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NONTERM_FL,
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NONTERM_ITM,
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NONTERM_SMP,
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NONTERM_FT,
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NONTERM_PRS
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};
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rule g_rule[] = {
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// 1)No. of non-terminals and terminals on the right hand side
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// 2)The Parent
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/*00*/ {0, 0, },
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/*01*/ {3, NONTERM_F, },
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/*02*/ {1, NONTERM_FC, },
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/*03*/ {1, NONTERM_FC, },
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/*04*/ {1, NONTERM_FC, },
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/*05*/ {1, NONTERM_FC, },
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/*06*/ {2, NONTERM_AND, },
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/*07*/ {2, NONTERM_OR, },
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/*08*/ {2, NONTERM_NOT, },
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/*09*/ {1, NONTERM_FL, },
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/*10*/ {2, NONTERM_FL, },
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/*11*/ {1, NONTERM_ITM, },
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/*12*/ {1, NONTERM_ITM, },
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/*13*/ {1, NONTERM_ITM, },
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/*14*/ {3, NONTERM_SMP, },
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/*15*/ {1, NONTERM_FT, },
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/*16*/ {1, NONTERM_FT, },
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/*17*/ {1, NONTERM_FT, },
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/*18*/ {2, NONTERM_PRS, },
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/*19*/ {1, NONTERM_FT, }
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};
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#ifdef DEBUG_DUMPRULE
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LPWSTR g_rgszRule[] = {
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/*00*/ L"",
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/*01*/ L"F->(FC)",
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/*02*/ L"FC->AND",
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/*03*/ L"FC->OR",
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/*04*/ L"FC->NOT",
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/*05*/ L"FC->ITM",
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/*06*/ L"AND->&FL",
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/*07*/ L"OR->|FL",
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/*08*/ L"NOT->!F",
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/*09*/ L"FL->F",
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/*10*/ L"FL->F FL",
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/*11*/ L"ITM->SMP",
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/*12*/ L"ITM->PRS",
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/*13*/ L"ITM->STR",
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/*14*/ L"SMP->ATR FT VAL",
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/*15*/ L"FT->~=",
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/*16*/ L"FT->>=",
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/*17*/ L"FT-><=",
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/*18*/ L"PRS->ATR=*",
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/*19*/ L"FT->="
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};
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#endif
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DWORD g_goto[28][10] = {
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// F, FC, AND, OR, NOT, FL, ITM, SMP, FT, PRS,
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/*00*/ {1, X, X, X, X, X, X, X, X, X },
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/*01*/ {X, X, X, X, X, X, X, X, X, X },
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/*02*/ {X, 7, 3, 4, 5, X, 6, 8, X, 9 },
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/*03*/ {X, X, X, X, X, X, X, X, X, X },
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/*04*/ {X, X, X, X, X, X, X, X, X, X },
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/*05*/ {X, X, X, X, X, X, X, X, X, X },
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/*06*/ {X, X, X, X, X, X, X, X, X, X },
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/*07*/ {X, X, X, X, X, X, X, X, X, X },
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/*08*/ {X, X, X, X, X, X, X, X, X, X },
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/*09*/ {X, X, X, X, X, X, X, X, X, X },
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/*10*/ {X, X, X, X, X, X, X, X, X, X },
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/*11*/ {17, X, X, X, X, 16, X, X, X, X },
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/*12*/ {17, X, X, X, X, 18, X, X, X, X },
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/*13*/ {19, X, X, X, X, X, X, X, X, X },
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/*14*/ {X, X, X, X, X, X, X, X, 24, X },
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/*15*/ {X, X, X, X, X, X, X, X, X, X },
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/*16*/ {X, X, X, X, X, X, X, X, X, X },
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/*17*/ {17, X, X, X, X, 27, X, X, X, X },
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/*18*/ {X, X, X, X, X, X, X, X, X, X },
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/*19*/ {X, X, X, X, X, X, X, X, X, X },
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/*20*/ {X, X, X, X, X, X, X, X, X, X },
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/*21*/ {X, X, X, X, X, X, X, X, X, X },
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/*22*/ {X, X, X, X, X, X, X, X, X, X },
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/*23*/ {X, X, X, X, X, X, X, X, X, X },
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/*24*/ {X, X, X, X, X, X, X, X, X, X },
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/*25*/ {X, X, X, X, X, X, X, X, X, X },
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/*26*/ {X, X, X, X, X, X, X, X, X, X },
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/*27*/ {X, X, X, X, X, X, X, X, X, X }
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};
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HRESULT MapTokenToType(
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DWORD dwToken,
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DWORD *pdwType
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)
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{
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DWORD dwType;
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switch(dwToken) {
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case TOKEN_EQ:
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dwType = QUERY_EQUAL;
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break;
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case TOKEN_LE:
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dwType = QUERY_LE;
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break;
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case TOKEN_GE:
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dwType = QUERY_GE;
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break;
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case TOKEN_APPROX_EQ:
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dwType = QUERY_APPROX;
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break;
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default:
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return (E_ADS_INVALID_FILTER);
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}
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*pdwType = dwType;
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return (S_OK);
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}
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HRESULT Parse(
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LPWSTR szQuery,
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CQueryNode **ppNode,
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CAttrList **ppAttrList
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)
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{
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CStack Stack;
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CQryLexer Query(szQuery);
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LPWSTR lexeme;
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DWORD dwToken;
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DWORD dwState;
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HRESULT hr = E_ADS_INVALID_FILTER;
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CAttrList* pAttrList = new CAttrList;
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if (!pAttrList)
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return E_OUTOFMEMORY;
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CSyntaxNode *pSynNode = NULL;
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CQueryNode *pNode1 = NULL;
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CQueryNode *pNode2 = NULL;
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CQueryNode *pNode3 = NULL;
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// Push in State 0
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pSynNode = new CSyntaxNode;
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Stack.Push(pSynNode);
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pSynNode = NULL;
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#ifdef DEBUG_DUMPSTACK
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Stack.Dump();
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#endif
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while (1) {
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// Getting information for this iteration, dwToken and dwState
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hr = Query.GetCurrentToken(
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&lexeme,
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&dwToken
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);
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BAIL_ON_FAILURE(hr);
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hr = Stack.Current(&pSynNode);
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BAIL_ON_FAILURE(hr);
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dwState = pSynNode->_dwState;
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pSynNode = NULL;
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// Analysing and processing the data
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if (g_action[dwState][dwToken].type == S) {
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pSynNode = new CSyntaxNode;
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pSynNode->_dwState = g_action[dwState][dwToken].dwState;
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pSynNode->_dwToken = dwToken;
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switch (dwToken) {
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case TOKEN_ATTRTYPE:
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{
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hr = pAttrList->Add(lexeme);
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BAIL_ON_FAILURE(hr);
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}
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case TOKEN_ATTRVAL:
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// both TOKEN_ATTRTYPE and TOKEN_ATTRVAL will get here
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{
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LPWSTR szValue = AllocADsStr(lexeme);
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if (!szValue) {
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hr = E_OUTOFMEMORY;
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goto error;
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}
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pSynNode->SetNode(szValue);
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break;
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}
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}
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hr = Stack.Push(pSynNode);
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BAIL_ON_FAILURE(hr);
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pSynNode = NULL;
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hr = Query.GetNextToken(
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&lexeme,
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&dwToken
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);
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BAIL_ON_FAILURE(hr);
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#ifdef DEBUG_DUMPSTACK
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Stack.Dump();
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#endif
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}
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else if (g_action[dwState][dwToken].type == R) {
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DWORD dwRule = g_action[dwState][dwToken].dwState;
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DWORD dwNumber = g_rule[dwRule].dwNumber;
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#ifdef DEBUG_DUMPRULE
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wprintf(L"%s\n",g_rgszRule[dwRule]);
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#endif
|
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pSynNode = new CSyntaxNode;
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CSyntaxNode *pSynNodeRed;
|
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switch (dwRule) {
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case 1: // Reduction of Basic Filter rule
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{
|
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// Getting the middle node
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hr = Stack.Pop();
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BAIL_ON_FAILURE(hr);
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hr = Stack.Pop(&pSynNodeRed);
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BAIL_ON_FAILURE(hr);
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|
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pSynNode->SetNode(
|
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pSynNodeRed->_pNode
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);
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pSynNodeRed->_dwType = SNODE_NULL;
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delete pSynNodeRed;
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|
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hr = Stack.Pop();
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BAIL_ON_FAILURE(hr);
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break;
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}
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case 18: // Reduction of PRESENT rule
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{
|
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// Getting second node
|
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LPWSTR szType;
|
|
|
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hr = Stack.Pop();
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BAIL_ON_FAILURE(hr);
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|
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hr = Stack.Pop(&pSynNodeRed);
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BAIL_ON_FAILURE(hr);
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szType = pSynNodeRed->_szValue;
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pSynNodeRed->_dwType = SNODE_NULL;
|
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delete pSynNodeRed;
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|
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hr = MakeLeaf(
|
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szType,
|
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&pNode1
|
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);
|
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BAIL_ON_FAILURE(hr);
|
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|
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hr = MakeNode(
|
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QUERY_PRESENT,
|
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pNode1,
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NULL,
|
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&pNode2
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);
|
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BAIL_ON_FAILURE(hr);
|
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pNode1 = NULL;
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pSynNode->SetNode(
|
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pNode2
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);
|
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pNode2 = NULL;
|
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break;
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}
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case 14: // Reduction of SMP rule
|
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{
|
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LPWSTR szType;
|
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LPWSTR szValue;
|
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DWORD dwType;
|
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DWORD dwToken;
|
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|
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hr = Stack.Pop(&pSynNodeRed);
|
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BAIL_ON_FAILURE(hr);
|
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szValue = pSynNodeRed->_szValue;
|
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pSynNodeRed->_dwType = SNODE_NULL;
|
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delete pSynNodeRed;
|
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|
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Stack.Pop(&pSynNodeRed);
|
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BAIL_ON_FAILURE(hr);
|
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dwToken = (DWORD)pSynNodeRed->_dwFilterType;
|
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pSynNodeRed->_dwType = SNODE_NULL;
|
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delete pSynNodeRed;
|
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|
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hr = Stack.Pop(&pSynNodeRed);
|
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BAIL_ON_FAILURE(hr);
|
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szType = pSynNodeRed->_szValue;
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
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delete pSynNodeRed;
|
|
|
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hr = MakeLeaf(
|
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szType,
|
|
&pNode1
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = MakeLeaf(
|
|
szValue,
|
|
&pNode2
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = MapTokenToType(
|
|
dwToken,
|
|
&dwType
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = MakeNode(
|
|
dwType,
|
|
pNode1,
|
|
pNode2,
|
|
&pNode3
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pNode3
|
|
);
|
|
pNode1 = NULL;
|
|
pNode2 = NULL;
|
|
pNode3 = NULL;
|
|
|
|
break;
|
|
}
|
|
case 6: // Reduction of AND, OR rules
|
|
case 7:
|
|
{
|
|
DWORD dwType;
|
|
|
|
Stack.Pop(&pSynNodeRed);
|
|
pSynNode->SetNode(
|
|
pSynNodeRed->_pNode
|
|
);
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
|
|
Stack.Pop();
|
|
|
|
// Adding in the type information
|
|
if (dwRule == 6)
|
|
dwType = QUERY_AND;
|
|
else
|
|
dwType = QUERY_OR;
|
|
|
|
pSynNode->_pNode->_dwType = dwType;
|
|
break;
|
|
}
|
|
case 10: // Reduction of FL rule
|
|
{
|
|
DWORD dwType;
|
|
|
|
hr = Stack.Pop(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
pNode2 = pSynNodeRed->_pNode;
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
|
|
hr = Stack.Pop(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
pNode1 = pSynNodeRed->_pNode;
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
|
|
if (pNode2->_dwType == QUERY_UNKNOWN) {
|
|
// It's not new node, append to node1
|
|
hr = pNode2->AddChild(pNode1);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pNode2
|
|
);
|
|
pNode1 = NULL;
|
|
pNode2 = NULL;
|
|
}
|
|
else {
|
|
// New node
|
|
hr = MakeNode(
|
|
QUERY_UNKNOWN,
|
|
pNode1,
|
|
pNode2,
|
|
&pNode3
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pNode3
|
|
);
|
|
pNode1 = NULL;
|
|
pNode2 = NULL;
|
|
pNode3 = NULL;
|
|
}
|
|
break;
|
|
}
|
|
case 9: // Reduction of FL rule
|
|
{
|
|
DWORD dwType;
|
|
|
|
hr = Stack.Pop(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
pNode1 = pSynNodeRed->_pNode;
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
|
|
hr = MakeNode(
|
|
QUERY_UNKNOWN,
|
|
pNode1,
|
|
NULL,
|
|
&pNode3
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pNode3
|
|
);
|
|
pNode1 = NULL;
|
|
pNode3 = NULL;
|
|
break;
|
|
}
|
|
case 8: // Reduction of NOT rule
|
|
{
|
|
Stack.Pop(&pSynNodeRed);
|
|
pNode1 = pSynNodeRed->_pNode;
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
|
|
hr = MakeNode(
|
|
QUERY_NOT,
|
|
pNode1,
|
|
NULL,
|
|
&pNode2
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
pNode1 = NULL;
|
|
hr = Stack.Pop();
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pNode2
|
|
);
|
|
pNode2 = NULL;
|
|
break;
|
|
}
|
|
case 15: // Reduction of FT rule
|
|
case 16:
|
|
case 17:
|
|
case 19:
|
|
{
|
|
// Propagating the last entry
|
|
hr = Stack.Pop(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pSynNodeRed->_dwToken
|
|
);
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
// For all the other rules, we propogate the last entry
|
|
hr = Stack.Pop(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode->SetNode(
|
|
pSynNodeRed->_pNode
|
|
);
|
|
pSynNodeRed->_dwType = SNODE_NULL;
|
|
delete pSynNodeRed;
|
|
for (DWORD i = 0;i<dwNumber-1;i++)
|
|
Stack.Pop();
|
|
}
|
|
}
|
|
hr = Stack.Current(&pSynNodeRed);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
dwState = pSynNodeRed->_dwState;
|
|
DWORD A = g_rule[dwRule].dwA;
|
|
pSynNode->_dwState = g_goto[dwState][A];
|
|
pSynNode->_dwToken = A;
|
|
hr = Stack.Push(pSynNode);
|
|
BAIL_ON_FAILURE(hr);
|
|
pSynNode = NULL;
|
|
#ifdef DEBUG_DUMPSTACK
|
|
Stack.Dump();
|
|
#endif
|
|
}
|
|
else if (g_action[dwState][dwToken].type == A){
|
|
hr = Stack.Pop(&pSynNode);
|
|
BAIL_ON_FAILURE(hr);
|
|
*ppNode = pSynNode->_pNode;
|
|
*ppAttrList = pAttrList;
|
|
pSynNode->_dwType = SNODE_NULL;
|
|
delete pSynNode;
|
|
return S_OK;
|
|
}
|
|
else {
|
|
hr = E_ADS_INVALID_FILTER;
|
|
goto error;
|
|
}
|
|
}
|
|
error:
|
|
if (pAttrList) {
|
|
delete pAttrList;
|
|
}
|
|
if (pSynNode) {
|
|
delete pSynNode;
|
|
}
|
|
if (pNode1) {
|
|
delete pNode1;
|
|
}
|
|
if (pNode2) {
|
|
delete pNode2;
|
|
}
|
|
if (pNode3) {
|
|
delete pNode3;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
|
|
CStack::CStack()
|
|
{
|
|
_dwStackIndex = 0;
|
|
}
|
|
|
|
CStack::~CStack()
|
|
{
|
|
DWORD dwIndex = _dwStackIndex;
|
|
while (dwIndex > 0) {
|
|
CSyntaxNode *pNode;
|
|
pNode = _Stack[--dwIndex];
|
|
delete pNode;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG_DUMPSTACK
|
|
void CStack::Dump()
|
|
{
|
|
DWORD dwIndex = _dwStackIndex;
|
|
printf("Stack:\n");
|
|
while (dwIndex > 0) {
|
|
CSyntaxNode *pNode;
|
|
pNode = _Stack[--dwIndex];
|
|
printf(
|
|
"State=%5.0d, Token=%5.0d\n",
|
|
pNode->_dwState,
|
|
pNode->_dwToken
|
|
);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
HRESULT CStack::Push(CSyntaxNode* pNode)
|
|
{
|
|
if (_dwStackIndex < MAXVAL) {
|
|
_Stack[_dwStackIndex++] = pNode;
|
|
return S_OK;
|
|
}
|
|
else
|
|
return E_FAIL;
|
|
}
|
|
|
|
HRESULT CStack::Pop(CSyntaxNode** ppNode)
|
|
{
|
|
if (_dwStackIndex > 0) {
|
|
*ppNode = _Stack[--_dwStackIndex];
|
|
return S_OK;
|
|
}
|
|
else {
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
HRESULT CStack::Pop()
|
|
{
|
|
if (_dwStackIndex > 0) {
|
|
CSyntaxNode *pNode;
|
|
pNode = _Stack[--_dwStackIndex];
|
|
delete pNode;
|
|
return S_OK;
|
|
}
|
|
else {
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
HRESULT CStack::Current(CSyntaxNode **ppNode)
|
|
{
|
|
if (_dwStackIndex > 0) {
|
|
*ppNode = _Stack[_dwStackIndex-1];
|
|
return S_OK;
|
|
}
|
|
else {
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
CAttrList::CAttrList()
|
|
{
|
|
_rgAttr = NULL;
|
|
_dwAttrCur = 0;
|
|
}
|
|
|
|
CAttrList::~CAttrList()
|
|
{
|
|
if (_rgAttr) {
|
|
for (DWORD i=0;i<_dwAttrCur;i++)
|
|
FreeADsStr(_rgAttr[i].szName);
|
|
FreeADsMem(_rgAttr);
|
|
}
|
|
}
|
|
|
|
HRESULT CAttrList::Add(LPWSTR szName)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
BOOL fBinary = FALSE;
|
|
LPWSTR pszTemp = NULL;
|
|
|
|
for (DWORD i=0;i<_dwAttrCur;i++) {
|
|
if (_wcsicmp(
|
|
szName,
|
|
_rgAttr[i].szName
|
|
) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i != _dwAttrCur) // does not loop till the end, entry exist already
|
|
return S_OK;
|
|
|
|
LPWSTR szAttr = AllocADsStr(szName);
|
|
if (!szAttr)
|
|
return E_OUTOFMEMORY;
|
|
|
|
//
|
|
// Check if the attribute comes with a ";binary" specifier. This means
|
|
// that the value has to be converted from the encoded form to
|
|
// octet strings
|
|
|
|
if (pszTemp = wcschr (szAttr, L';')) {
|
|
//
|
|
// Make sure binary appears at the end of the attribute name and
|
|
// immediately after ;
|
|
//
|
|
if (_wcsicmp(pszTemp+1, L"binary") == 0) {
|
|
fBinary = TRUE;
|
|
//
|
|
// Strip off the binary specifier.
|
|
//
|
|
wcstok(szAttr, L";");
|
|
}
|
|
}
|
|
|
|
if (_dwAttrCur == _dwAttrMax) {
|
|
if (!_rgAttr) {
|
|
_rgAttr = (AttrNode*)AllocADsMem(ATTRNODE_INITIAL*sizeof(AttrNode));
|
|
if (!_rgAttr) {
|
|
hr = E_OUTOFMEMORY;
|
|
goto error;
|
|
}
|
|
_dwAttrMax = ATTRNODE_INITIAL;
|
|
}
|
|
else {
|
|
_rgAttr = (AttrNode*)ReallocADsMem(
|
|
(void*)_rgAttr,
|
|
_dwAttrMax*sizeof(AttrNode),
|
|
(_dwAttrMax+ATTRNODE_INC)*sizeof(AttrNode)
|
|
);
|
|
if (!_rgAttr) {
|
|
hr = E_OUTOFMEMORY;
|
|
goto error;
|
|
}
|
|
_dwAttrMax+= ATTRNODE_INC;
|
|
}
|
|
}
|
|
_rgAttr[_dwAttrCur].szName = szAttr;
|
|
_rgAttr[_dwAttrCur].dwType = 0; //UNKNOWN at this point
|
|
_rgAttr[_dwAttrCur].fBinary = fBinary;
|
|
_dwAttrCur++;
|
|
return S_OK;
|
|
error:
|
|
if (szAttr)
|
|
FreeADsStr(szAttr);
|
|
return (hr);
|
|
}
|
|
|
|
HRESULT CAttrList::SetupType(NDS_CONTEXT_HANDLE hADsContext)
|
|
{
|
|
|
|
DWORD dwStatus;
|
|
HRESULT hr = S_OK;
|
|
DWORD dwNumberOfEntries;
|
|
DWORD dwInfoType;
|
|
LPNDS_ATTR_DEF lpAttrDefs = NULL;
|
|
DWORD i,j,k;
|
|
LPWSTR *ppszAttrs = NULL;
|
|
HANDLE hOperationData = NULL;
|
|
|
|
if (_dwAttrCur == 0) {
|
|
RRETURN(S_OK);
|
|
}
|
|
|
|
ppszAttrs = (LPWSTR *) AllocADsMem(_dwAttrCur * sizeof(LPWSTR *));
|
|
if (!ppszAttrs) {
|
|
BAIL_ON_FAILURE(E_OUTOFMEMORY);
|
|
}
|
|
|
|
for (i=0, j=0; i<_dwAttrCur; i++) {
|
|
ppszAttrs[j++] = _rgAttr[i].szName;
|
|
}
|
|
|
|
hr = ADsNdsReadAttrDef(
|
|
hADsContext,
|
|
DS_ATTR_DEFS,
|
|
ppszAttrs,
|
|
_dwAttrCur,
|
|
&hOperationData
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = ADsNdsGetAttrDefListFromBuffer(
|
|
hADsContext,
|
|
hOperationData,
|
|
&dwNumberOfEntries,
|
|
&dwInfoType,
|
|
&lpAttrDefs
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if (dwNumberOfEntries != _dwAttrCur) {
|
|
hr = E_ADS_INVALID_FILTER;
|
|
goto error;
|
|
}
|
|
|
|
for (j = 0; j < dwNumberOfEntries ; j++ ) {
|
|
for (k = 0; k < dwNumberOfEntries; k++) {
|
|
if (_wcsicmp(
|
|
_rgAttr[k].szName,
|
|
lpAttrDefs[j].szAttributeName
|
|
) == 0) {
|
|
_rgAttr[k].dwType = lpAttrDefs[j].dwSyntaxID;
|
|
break;
|
|
}
|
|
}
|
|
if (k == dwNumberOfEntries) // cannot find entry
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
|
|
if (ppszAttrs)
|
|
FreeADsMem(ppszAttrs);
|
|
|
|
if (hOperationData)
|
|
ADsNdsFreeBuffer( hOperationData );
|
|
|
|
ADsNdsFreeAttrDefList(lpAttrDefs, dwNumberOfEntries);
|
|
|
|
RRETURN(hr);
|
|
}
|
|
|
|
HRESULT CAttrList::GetType(LPWSTR szName, DWORD *pdwType)
|
|
{
|
|
|
|
DWORD i = 0;
|
|
|
|
for (i=0;i<_dwAttrCur;i++) {
|
|
if (_wcsicmp(
|
|
szName,
|
|
_rgAttr[i].szName
|
|
) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i == _dwAttrCur) // Cannot find attribute
|
|
return E_FAIL;
|
|
|
|
*pdwType = _rgAttr[i].dwType;
|
|
return S_OK;
|
|
}
|
|
|
|
CSyntaxNode::CSyntaxNode()
|
|
{
|
|
_dwType = SNODE_NULL;
|
|
_dwToken = 0;
|
|
_dwState = 0;
|
|
_pNode = 0;
|
|
}
|
|
|
|
CSyntaxNode::~CSyntaxNode()
|
|
{
|
|
switch (_dwType) {
|
|
case SNODE_SZ:
|
|
FreeADsStr(_szValue);
|
|
break;
|
|
case SNODE_NODE:
|
|
delete _pNode;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CSyntaxNode::SetNode(
|
|
CQueryNode *pNode
|
|
)
|
|
{
|
|
_pNode = pNode;
|
|
_dwType = SNODE_NODE;
|
|
}
|
|
|
|
void CSyntaxNode::SetNode(
|
|
LPWSTR szValue
|
|
)
|
|
{
|
|
_szValue = szValue;
|
|
_dwType = SNODE_SZ;
|
|
}
|
|
|
|
void CSyntaxNode::SetNode(
|
|
DWORD dwFilterType
|
|
)
|
|
{
|
|
_dwFilterType = dwFilterType;
|
|
_dwType = SNODE_FILTER;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::CQueryNode
|
|
//
|
|
// Synopsis: Constructor of the CQueryNode
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
CQueryNode::CQueryNode()
|
|
{
|
|
_dwType = 0;
|
|
_szValue = NULL;
|
|
_dwQueryNode = 0;
|
|
_rgQueryNode = NULL;
|
|
_dwQueryNodeMax = 0;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::SetToString
|
|
//
|
|
// Synopsis: Set the Node to be a String Node
|
|
//
|
|
// Arguments: szValue value of the string
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT CQueryNode::SetToString(
|
|
LPWSTR szValue
|
|
)
|
|
{
|
|
_szValue = szValue;
|
|
/*
|
|
_szValue = AllocADsStr(szValue);
|
|
if (!_szValue) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
*/
|
|
_dwType = QUERY_STRING;
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::~CQueryNode
|
|
//
|
|
// Synopsis: Destructor of the CQueryNode
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
CQueryNode::~CQueryNode()
|
|
{
|
|
if (_szValue)
|
|
FreeADsStr(_szValue);
|
|
if (_rgQueryNode) {
|
|
for (DWORD i=0;i<_dwQueryNode;i++) {
|
|
delete _rgQueryNode[i];
|
|
}
|
|
FreeADsMem(_rgQueryNode);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::AddChild
|
|
//
|
|
// Synopsis: Add a child to the node
|
|
//
|
|
// Arguments: CQueryNode *pChild pointer to the child to be added
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT CQueryNode::AddChild(CQueryNode *pChild)
|
|
{
|
|
if (_dwQueryNode == _dwQueryNodeMax) {
|
|
if (!_rgQueryNode) {
|
|
_rgQueryNode = (CQueryNode**)AllocADsMem(QUERYNODE_INITIAL*sizeof(CQueryNode*));
|
|
if (!_rgQueryNode) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
_dwQueryNodeMax = QUERYNODE_INITIAL;
|
|
}
|
|
else {
|
|
_rgQueryNode = (CQueryNode**)ReallocADsMem(
|
|
(void*)_rgQueryNode,
|
|
_dwQueryNodeMax*sizeof(CQueryNode*),
|
|
(_dwQueryNodeMax+QUERYNODE_INC)*sizeof(CQueryNode*)
|
|
);
|
|
if (!_rgQueryNode) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
_dwQueryNodeMax+= QUERYNODE_INC;
|
|
}
|
|
}
|
|
_rgQueryNode[_dwQueryNode] = pChild;
|
|
_dwQueryNode++;
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
HRESULT CQueryNode::AddToFilterBuf(
|
|
pFilter_Cursor_T pCur,
|
|
CAttrList *pAttrList
|
|
)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
nuint16 luTokenType;
|
|
DWORD dwStatus = 0;
|
|
|
|
LPWSTR szValue = NULL;
|
|
LPWSTR szAttr = NULL;
|
|
NWDSCCODE ccode;
|
|
void* pValue = NULL;
|
|
|
|
|
|
// Looking at type of operation
|
|
switch (_dwType) {
|
|
case QUERY_EQUAL:
|
|
case QUERY_LE:
|
|
case QUERY_GE:
|
|
case QUERY_APPROX:
|
|
case QUERY_PRESENT:
|
|
{
|
|
DWORD dwSyntax;
|
|
DWORD dwAttrType;
|
|
LPWSTR pszTemp = NULL;
|
|
|
|
// Getting left node
|
|
if (_rgQueryNode[0] &&
|
|
_rgQueryNode[0]->_dwType == QUERY_STRING) {
|
|
szAttr = AllocADsStr(_rgQueryNode[0]->_szValue);
|
|
if (!szAttr) {
|
|
hr = E_OUTOFMEMORY;
|
|
goto error;
|
|
}
|
|
|
|
}
|
|
else {
|
|
// No nodes available
|
|
goto error;
|
|
}
|
|
|
|
// Get syntax info of right node from attribute list
|
|
hr = pAttrList->GetType(
|
|
szAttr,
|
|
&dwAttrType
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
// Getting right node
|
|
if (_rgQueryNode[1] &&
|
|
_rgQueryNode[1]->_dwType == QUERY_STRING) {
|
|
|
|
// Format the node depending on the syntax
|
|
switch (dwAttrType) {
|
|
// WIDE STRING
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
case 10:
|
|
case 11:
|
|
case 20:
|
|
pValue = (void *) AllocADsStr(_rgQueryNode[1]->_szValue);
|
|
if (!pValue) {
|
|
hr = E_OUTOFMEMORY;
|
|
goto error;
|
|
}
|
|
break;
|
|
|
|
// BOOLEAN
|
|
case 7: {
|
|
Boolean_T *pBool = (Boolean_T *) AllocADsMem(sizeof(Boolean_T));
|
|
if (!pBool) {
|
|
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
|
|
}
|
|
|
|
*pBool = (Boolean_T) _wtol(_rgQueryNode[1]->_szValue);
|
|
pValue = pBool;
|
|
break;
|
|
}
|
|
|
|
// Binary Strings
|
|
case 9: {
|
|
hr = E_ADS_CANT_CONVERT_DATATYPE;
|
|
goto error;
|
|
break;
|
|
}
|
|
|
|
// DWORD
|
|
case 8 :
|
|
case 22 :
|
|
case 27 : {
|
|
Integer_T *pInteger = (Integer_T *) AllocADsMem(sizeof(Integer_T));
|
|
if (!pInteger) {
|
|
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
|
|
}
|
|
*pInteger = (Integer_T) _wtol(_rgQueryNode[1]->_szValue);
|
|
pValue = pInteger;
|
|
break;
|
|
}
|
|
|
|
case 6 :
|
|
case 13 :
|
|
case 14 :
|
|
case 15 :
|
|
case 16 :
|
|
case 17 :
|
|
case 18 :
|
|
case 19 :
|
|
case 23 :
|
|
case 24 :
|
|
case 25 :
|
|
case 26 :
|
|
default:
|
|
hr = E_ADS_CANT_CONVERT_DATATYPE;
|
|
goto error;
|
|
break;
|
|
}
|
|
}
|
|
|
|
hr = MapQueryToNDSType(
|
|
_dwType,
|
|
&luTokenType
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_LPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
if (_dwType == QUERY_PRESENT ) {
|
|
//
|
|
// First add the present token and then the attribute
|
|
//
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_PRESENT,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_ANAME,
|
|
szAttr,
|
|
dwAttrType
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_RPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
}
|
|
else {
|
|
|
|
// All the rest are binary operators. Add the attribute name,
|
|
// operator and then the attribute value
|
|
//
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_ANAME,
|
|
szAttr,
|
|
dwAttrType
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
luTokenType,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_AVAL,
|
|
pValue,
|
|
dwAttrType
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_RPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
}
|
|
|
|
break;
|
|
}
|
|
case QUERY_AND:
|
|
case QUERY_OR:
|
|
{
|
|
hr = MapQueryToNDSType(
|
|
_dwType,
|
|
&luTokenType
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
// Create first node
|
|
if (!_rgQueryNode[0])
|
|
goto error;
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_LPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
hr = _rgQueryNode[0]->AddToFilterBuf(
|
|
pCur,
|
|
pAttrList
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
// Go through a loop creating the rest
|
|
for (DWORD i=1;i<_dwQueryNode;i++) {
|
|
|
|
if (!_rgQueryNode[i])
|
|
goto error;
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
luTokenType,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
hr = _rgQueryNode[i]->AddToFilterBuf(
|
|
pCur,
|
|
pAttrList
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
}
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_RPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
break;
|
|
}
|
|
case QUERY_NOT:
|
|
{
|
|
hr = MapQueryToNDSType(
|
|
_dwType,
|
|
&luTokenType
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
// Create first node
|
|
if (!_rgQueryNode[0])
|
|
goto error;
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_LPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_NOT,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
hr = _rgQueryNode[0]->AddToFilterBuf(
|
|
pCur,
|
|
pAttrList
|
|
);
|
|
BAIL_ON_FAILURE (hr);
|
|
|
|
ccode = NWDSAddFilterToken(
|
|
pCur,
|
|
FTOK_RPAREN,
|
|
NULL,
|
|
0
|
|
);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
break;
|
|
}
|
|
default:
|
|
goto error;
|
|
}
|
|
|
|
RRETURN(hr);
|
|
|
|
error:
|
|
if (szAttr)
|
|
FreeADsStr(szAttr);
|
|
if (pValue)
|
|
FreeADsMem(pValue);
|
|
return hr;
|
|
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::FreeFilterTokens
|
|
//
|
|
// Synopsis: Frees dynamically-allocated attributes passed to
|
|
// NWDSAddFilterToken by CQueryNode::AddToFilterBuffer
|
|
//
|
|
// Arguments: syntax NetWare syntax attribute ID
|
|
// val ptr. to memory to be freed
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies: deallocates the memory
|
|
//
|
|
// History: 9-18-99 Matthew Rimer Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
void N_FAR N_CDECL CQueryNode::FreeFilterTokens(
|
|
nuint32 syntax,
|
|
nptr pVal
|
|
)
|
|
{
|
|
if (pVal) {
|
|
|
|
switch(syntax) {
|
|
// WIDE STRING
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
case 10:
|
|
case 11:
|
|
case 20:
|
|
FreeADsStr((LPWSTR) pVal);
|
|
break;
|
|
|
|
// BOOLEAN
|
|
case 7:
|
|
FreeADsMem(pVal);
|
|
break;
|
|
|
|
// DWORD
|
|
case 8:
|
|
case 22:
|
|
case 27:
|
|
FreeADsMem(pVal);
|
|
break;
|
|
|
|
// attribute name
|
|
case -1:
|
|
FreeADsStr((LPWSTR) pVal);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CQueryNode::MapQueryToNDSType
|
|
//
|
|
// Synopsis: Maps the node type to the equivalent NDS types
|
|
//
|
|
// Arguments: dwType input type
|
|
// pdwNDSType output type
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT CQueryNode::MapQueryToNDSType(
|
|
DWORD dwType,
|
|
nuint16 *pulNDSTokenType
|
|
)
|
|
{
|
|
nuint16 ulNDSTokenType;
|
|
switch(dwType) {
|
|
case QUERY_EQUAL:
|
|
ulNDSTokenType = FTOK_EQ;
|
|
break;
|
|
case QUERY_LE:
|
|
ulNDSTokenType = FTOK_LE;
|
|
break;
|
|
case QUERY_GE:
|
|
ulNDSTokenType = FTOK_GE;
|
|
break;
|
|
case QUERY_APPROX:
|
|
ulNDSTokenType = FTOK_APPROX;
|
|
break;
|
|
case QUERY_PRESENT:
|
|
ulNDSTokenType = FTOK_PRESENT;
|
|
break;
|
|
case QUERY_NOT:
|
|
ulNDSTokenType = FTOK_NOT;
|
|
break;
|
|
case QUERY_AND:
|
|
ulNDSTokenType = FTOK_AND;
|
|
break;
|
|
case QUERY_OR:
|
|
ulNDSTokenType = FTOK_OR;
|
|
break;
|
|
|
|
default:
|
|
return (E_ADS_INVALID_FILTER);
|
|
}
|
|
*pulNDSTokenType = ulNDSTokenType;
|
|
return (S_OK);
|
|
}
|
|
|
|
|
|
// Helper Functions for creating nodes using the CQueryNode Class
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: MakeNode
|
|
//
|
|
// Synopsis: Make a node with the input values
|
|
//
|
|
// Arguments: dwType type of node
|
|
// pLQueryNode pointer to left node
|
|
// pRQueryNode pointer to right node
|
|
// ppQueryNodeReturn pointer to Return Node
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT MakeNode(
|
|
DWORD dwType,
|
|
CQueryNode *pLQueryNode,
|
|
CQueryNode *pRQueryNode,
|
|
CQueryNode **ppQueryNodeReturn
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
CQueryNode *pQueryNode = new CQueryNode();
|
|
if (!pQueryNode)
|
|
return E_OUTOFMEMORY;
|
|
|
|
pQueryNode->_dwType = dwType;
|
|
|
|
hr = pQueryNode->AddChild(pLQueryNode);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if (pRQueryNode) {
|
|
pQueryNode->AddChild(pRQueryNode);
|
|
BAIL_ON_FAILURE(hr);
|
|
}
|
|
*ppQueryNodeReturn = pQueryNode;
|
|
|
|
RRETURN(hr);
|
|
|
|
error:
|
|
delete pQueryNode;
|
|
RRETURN(hr);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: MakeLeaf
|
|
//
|
|
// Synopsis: Constructor of the CQueryNode
|
|
//
|
|
// Arguments: szValue value of the string
|
|
// ppQueryNodeReturn the return node
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 11-12-96 Felix Wong Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT MakeLeaf(
|
|
LPWSTR szValue,
|
|
CQueryNode **ppQueryNodeReturn
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
CQueryNode *pQueryNode = new CQueryNode();
|
|
if (!pQueryNode)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hr = pQueryNode->SetToString(szValue);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
*ppQueryNodeReturn = pQueryNode;
|
|
RRETURN(hr);
|
|
|
|
error:
|
|
delete pQueryNode;
|
|
RRETURN(hr);
|
|
}
|
|
|
|
|
|
HRESULT
|
|
AdsNdsGenerateFilterBuffer(
|
|
NDS_CONTEXT_HANDLE hADsContext,
|
|
LPWSTR szSearchFilter,
|
|
NDS_BUFFER_HANDLE *phFilterBuf
|
|
)
|
|
{
|
|
NWDSContextHandle context;
|
|
|
|
HRESULT hr = E_ADS_INVALID_FILTER;
|
|
NWDSCCODE ccode;
|
|
BOOL fBufAllocated = FALSE;
|
|
DWORD i, j;
|
|
pFilter_Cursor_T pCur;
|
|
NDS_BUFFER_HANDLE hFilterBuf = NULL;
|
|
|
|
|
|
PNDS_CONTEXT pADsContext = (PNDS_CONTEXT) hADsContext;
|
|
PNDS_BUFFER_DATA pFilterBuf = (PNDS_BUFFER_DATA) hFilterBuf;
|
|
nuint16 luFilterToken;
|
|
|
|
CQueryNode *pNode = NULL;
|
|
CAttrList *pAttrList = NULL;
|
|
|
|
if (!hADsContext || !phFilterBuf) {
|
|
RRETURN (E_ADS_BAD_PARAMETER);
|
|
}
|
|
|
|
|
|
// Generate the parse tree and the attribute list
|
|
hr = Parse(
|
|
szSearchFilter,
|
|
&pNode,
|
|
&pAttrList
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
|
|
// Setup syntax information in the attribute list
|
|
hr = pAttrList->SetupType(hADsContext);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = ADsNdsCreateBuffer(
|
|
hADsContext,
|
|
DSV_SEARCH_FILTER,
|
|
&hFilterBuf
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
fBufAllocated = TRUE;
|
|
|
|
// Generate the parse tree and the attribute list
|
|
|
|
ccode = NWDSAllocFilter(&pCur);
|
|
CHECK_AND_SET_EXTENDED_ERROR(ccode, hr);
|
|
|
|
// Generate the NDS tree
|
|
hr = pNode->AddToFilterBuf(
|
|
pCur,
|
|
pAttrList
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = ADsNdsPutFilter(
|
|
hADsContext,
|
|
hFilterBuf,
|
|
pCur,
|
|
CQueryNode::FreeFilterTokens
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
|
|
*phFilterBuf = hFilterBuf;
|
|
|
|
if (pNode)
|
|
delete pNode;
|
|
|
|
if (pAttrList)
|
|
delete pAttrList;
|
|
|
|
RRETURN(S_OK);
|
|
|
|
|
|
error:
|
|
|
|
if (fBufAllocated) {
|
|
ADsNdsFreeBuffer(hFilterBuf);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|