784 lines
18 KiB
Plaintext
784 lines
18 KiB
Plaintext
%{
|
|
|
|
/*
|
|
* Implementation of the Microsoft Installer (msi.dll)
|
|
*
|
|
* Copyright 2003 Mike McCormack for CodeWeavers
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
|
|
#include "msi.h"
|
|
#include "msiquery.h"
|
|
#include "msipriv.h"
|
|
|
|
#define YYLEX_PARAM info
|
|
#define YYPARSE_PARAM info
|
|
|
|
static int COND_error(const char *str);
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(msi);
|
|
|
|
typedef struct tag_yyinput
|
|
{
|
|
MSIPACKAGE *package;
|
|
LPCWSTR str;
|
|
INT n;
|
|
MSICONDITION result;
|
|
} COND_input;
|
|
|
|
struct cond_str {
|
|
LPCWSTR data;
|
|
INT len;
|
|
};
|
|
|
|
static LPWSTR COND_GetString( struct cond_str *str );
|
|
static LPWSTR COND_GetLiteral( struct cond_str *str );
|
|
static int COND_lex( void *COND_lval, COND_input *info);
|
|
|
|
typedef INT (*comp_int)(INT a, INT b);
|
|
typedef INT (*comp_str)(LPWSTR a, LPWSTR b, BOOL caseless);
|
|
typedef INT (*comp_m1)(LPWSTR a,int b);
|
|
typedef INT (*comp_m2)(int a,LPWSTR b);
|
|
|
|
static INT comp_lt_i(INT a, INT b);
|
|
static INT comp_gt_i(INT a, INT b);
|
|
static INT comp_le_i(INT a, INT b);
|
|
static INT comp_ge_i(INT a, INT b);
|
|
static INT comp_eq_i(INT a, INT b);
|
|
static INT comp_ne_i(INT a, INT b);
|
|
static INT comp_bitand(INT a, INT b);
|
|
static INT comp_highcomp(INT a, INT b);
|
|
static INT comp_lowcomp(INT a, INT b);
|
|
|
|
static INT comp_eq_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_ne_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_lt_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_gt_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_le_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_ge_s(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_substring(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_start(LPWSTR a, LPWSTR b, BOOL casless);
|
|
static INT comp_end(LPWSTR a, LPWSTR b, BOOL casless);
|
|
|
|
static INT comp_eq_m1(LPWSTR a, INT b);
|
|
static INT comp_ne_m1(LPWSTR a, INT b);
|
|
static INT comp_lt_m1(LPWSTR a, INT b);
|
|
static INT comp_gt_m1(LPWSTR a, INT b);
|
|
static INT comp_le_m1(LPWSTR a, INT b);
|
|
static INT comp_ge_m1(LPWSTR a, INT b);
|
|
|
|
static INT comp_eq_m2(INT a, LPWSTR b);
|
|
static INT comp_ne_m2(INT a, LPWSTR b);
|
|
static INT comp_lt_m2(INT a, LPWSTR b);
|
|
static INT comp_gt_m2(INT a, LPWSTR b);
|
|
static INT comp_le_m2(INT a, LPWSTR b);
|
|
static INT comp_ge_m2(INT a, LPWSTR b);
|
|
|
|
%}
|
|
|
|
%pure-parser
|
|
|
|
%union
|
|
{
|
|
struct cond_str str;
|
|
LPWSTR string;
|
|
INT value;
|
|
comp_int fn_comp_int;
|
|
comp_str fn_comp_str;
|
|
comp_m1 fn_comp_m1;
|
|
comp_m2 fn_comp_m2;
|
|
}
|
|
|
|
%token COND_SPACE COND_EOF COND_SPACE
|
|
%token COND_OR COND_AND COND_NOT
|
|
%token COND_LT COND_GT COND_EQ
|
|
%token COND_LPAR COND_RPAR COND_TILDA
|
|
%token COND_PERCENT COND_DOLLARS COND_QUESTION COND_AMPER COND_EXCLAM
|
|
%token <str> COND_IDENT <str> COND_NUMBER <str> COND_LITER
|
|
|
|
%nonassoc COND_EOF COND_ERROR
|
|
|
|
%type <value> expression boolean_term boolean_factor
|
|
%type <value> term value_i symbol_i integer
|
|
%type <string> identifier value_s symbol_s literal
|
|
%type <fn_comp_int> comp_op_i
|
|
%type <fn_comp_str> comp_op_s
|
|
%type <fn_comp_m1> comp_op_m1
|
|
%type <fn_comp_m2> comp_op_m2
|
|
|
|
%%
|
|
|
|
condition:
|
|
expression
|
|
{
|
|
COND_input* cond = (COND_input*) info;
|
|
cond->result = $1;
|
|
}
|
|
;
|
|
|
|
expression:
|
|
boolean_term
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| boolean_term COND_OR expression
|
|
{
|
|
$$ = $1 || $3;
|
|
}
|
|
;
|
|
|
|
boolean_term:
|
|
boolean_factor
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| boolean_term COND_AND boolean_factor
|
|
{
|
|
$$ = $1 && $3;
|
|
}
|
|
;
|
|
|
|
boolean_factor:
|
|
term
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| COND_NOT term
|
|
{
|
|
$$ = ! $2;
|
|
}
|
|
;
|
|
|
|
|
|
term:
|
|
value_i
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| value_s
|
|
{
|
|
$$ = ($1 && $1[0]) ? MSICONDITION_TRUE : MSICONDITION_FALSE;
|
|
}
|
|
| value_i comp_op_i value_i
|
|
{
|
|
$$ = $2( $1, $3 );
|
|
}
|
|
| value_s comp_op_s value_s
|
|
{
|
|
$$ = $2( $1, $3, FALSE );
|
|
}
|
|
| value_s COND_TILDA comp_op_s value_s
|
|
{
|
|
$$ = $3( $1, $4, TRUE );
|
|
}
|
|
| value_s comp_op_m1 value_i
|
|
{
|
|
$$ = $2( $1, $3 );
|
|
}
|
|
| value_i comp_op_m2 value_s
|
|
{
|
|
$$ = $2( $1, $3 );
|
|
}
|
|
| COND_LPAR expression COND_RPAR
|
|
{
|
|
$$ = $2;
|
|
}
|
|
;
|
|
|
|
comp_op_i:
|
|
/* common functions */
|
|
COND_EQ
|
|
{
|
|
$$ = comp_eq_i;
|
|
}
|
|
| COND_LT COND_GT
|
|
{
|
|
$$ = comp_ne_i;
|
|
}
|
|
| COND_LT
|
|
{
|
|
$$ = comp_lt_i;
|
|
}
|
|
| COND_GT
|
|
{
|
|
$$ = comp_gt_i;
|
|
}
|
|
| COND_LT COND_EQ
|
|
{
|
|
$$ = comp_le_i;
|
|
}
|
|
| COND_GT COND_EQ
|
|
{
|
|
$$ = comp_ge_i;
|
|
}
|
|
/*Int only*/
|
|
| COND_GT COND_LT
|
|
{
|
|
$$ = comp_bitand;
|
|
}
|
|
| COND_LT COND_LT
|
|
{
|
|
$$ = comp_highcomp;
|
|
}
|
|
| COND_GT COND_GT
|
|
{
|
|
$$ = comp_lowcomp;
|
|
}
|
|
;
|
|
|
|
comp_op_s:
|
|
/* common functions */
|
|
COND_EQ
|
|
{
|
|
$$ = comp_eq_s;
|
|
}
|
|
| COND_LT COND_GT
|
|
{
|
|
$$ = comp_ne_s;
|
|
}
|
|
| COND_LT
|
|
{
|
|
$$ = comp_lt_s;
|
|
}
|
|
| COND_GT
|
|
{
|
|
$$ = comp_gt_s;
|
|
}
|
|
| COND_LT COND_EQ
|
|
{
|
|
$$ = comp_le_s;
|
|
}
|
|
| COND_GT COND_EQ
|
|
{
|
|
$$ = comp_ge_s;
|
|
}
|
|
/*string only*/
|
|
| COND_GT COND_LT
|
|
{
|
|
$$ = comp_substring;
|
|
}
|
|
| COND_LT COND_LT
|
|
{
|
|
$$ = comp_start;
|
|
}
|
|
| COND_GT COND_GT
|
|
{
|
|
$$ = comp_end;
|
|
}
|
|
;
|
|
|
|
comp_op_m1:
|
|
/* common functions */
|
|
COND_EQ
|
|
{
|
|
$$ = comp_eq_m1;
|
|
}
|
|
| COND_LT COND_GT
|
|
{
|
|
$$ = comp_ne_m1;
|
|
}
|
|
| COND_LT
|
|
{
|
|
$$ = comp_lt_m1;
|
|
}
|
|
| COND_GT
|
|
{
|
|
$$ = comp_gt_m1;
|
|
}
|
|
| COND_LT COND_EQ
|
|
{
|
|
$$ = comp_le_m1;
|
|
}
|
|
| COND_GT COND_EQ
|
|
{
|
|
$$ = comp_ge_m1;
|
|
}
|
|
/*Not valid for mixed compares*/
|
|
| COND_GT COND_LT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| COND_LT COND_LT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| COND_GT COND_GT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
comp_op_m2:
|
|
/* common functions */
|
|
COND_EQ
|
|
{
|
|
$$ = comp_eq_m2;
|
|
}
|
|
| COND_LT COND_GT
|
|
{
|
|
$$ = comp_ne_m2;
|
|
}
|
|
| COND_LT
|
|
{
|
|
$$ = comp_lt_m2;
|
|
}
|
|
| COND_GT
|
|
{
|
|
$$ = comp_gt_m2;
|
|
}
|
|
| COND_LT COND_EQ
|
|
{
|
|
$$ = comp_le_m2;
|
|
}
|
|
| COND_GT COND_EQ
|
|
{
|
|
$$ = comp_ge_m2;
|
|
}
|
|
/*Not valid for mixed compares*/
|
|
| COND_GT COND_LT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| COND_LT COND_LT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| COND_GT COND_GT
|
|
{
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
value_i:
|
|
symbol_i
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| integer
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
value_s:
|
|
symbol_s
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| literal
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
literal:
|
|
COND_LITER
|
|
{
|
|
$$ = COND_GetLiteral(&$1);
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
symbol_i:
|
|
COND_DOLLARS identifier
|
|
{
|
|
COND_input* cond = (COND_input*) info;
|
|
INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
|
|
|
|
MSI_GetComponentStateW(cond->package, $2, &install, &action );
|
|
$$ = action;
|
|
HeapFree( GetProcessHeap(), 0, $2 );
|
|
}
|
|
| COND_QUESTION identifier
|
|
{
|
|
COND_input* cond = (COND_input*) info;
|
|
INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
|
|
|
|
MSI_GetComponentStateW(cond->package, $2, &install, &action );
|
|
$$ = install;
|
|
HeapFree( GetProcessHeap(), 0, $2 );
|
|
}
|
|
| COND_AMPER identifier
|
|
{
|
|
COND_input* cond = (COND_input*) info;
|
|
INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
|
|
|
|
MSI_GetFeatureStateW(cond->package, $2, &install, &action );
|
|
$$ = action;
|
|
HeapFree( GetProcessHeap(), 0, $2 );
|
|
}
|
|
| COND_EXCLAM identifier
|
|
{
|
|
COND_input* cond = (COND_input*) info;
|
|
INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
|
|
|
|
MSI_GetFeatureStateW(cond->package, $2, &install, &action );
|
|
$$ = install;
|
|
HeapFree( GetProcessHeap(), 0, $2 );
|
|
}
|
|
;
|
|
|
|
symbol_s:
|
|
identifier
|
|
{
|
|
DWORD sz;
|
|
COND_input* cond = (COND_input*) info;
|
|
|
|
sz = 0;
|
|
MSI_GetPropertyW(cond->package, $1, NULL, &sz);
|
|
if (sz == 0)
|
|
{
|
|
$$ = HeapAlloc( GetProcessHeap(), 0 ,sizeof(WCHAR));
|
|
$$[0] = 0;
|
|
}
|
|
else
|
|
{
|
|
sz ++;
|
|
$$ = HeapAlloc( GetProcessHeap(), 0, sz*sizeof (WCHAR) );
|
|
|
|
/* Lookup the identifier */
|
|
|
|
MSI_GetPropertyW(cond->package,$1,$$,&sz);
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, $1 );
|
|
}
|
|
| COND_PERCENT identifier
|
|
{
|
|
UINT len = GetEnvironmentVariableW( $2, NULL, 0 );
|
|
if( len++ )
|
|
{
|
|
$$ = HeapAlloc( GetProcessHeap(), 0, len*sizeof (WCHAR) );
|
|
if( $$ )
|
|
GetEnvironmentVariableW( $2, $$, len );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, $2 );
|
|
}
|
|
;
|
|
|
|
identifier:
|
|
COND_IDENT
|
|
{
|
|
$$ = COND_GetString(&$1);
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
integer:
|
|
COND_NUMBER
|
|
{
|
|
LPWSTR szNum = COND_GetString(&$1);
|
|
if( !szNum )
|
|
YYABORT;
|
|
$$ = atoiW( szNum );
|
|
HeapFree( GetProcessHeap(), 0, szNum );
|
|
}
|
|
;
|
|
|
|
%%
|
|
|
|
|
|
static int COND_IsAlpha( WCHAR x )
|
|
{
|
|
return( ( ( x >= 'A' ) && ( x <= 'Z' ) ) ||
|
|
( ( x >= 'a' ) && ( x <= 'z' ) ) ||
|
|
( ( x == '_' ) ) );
|
|
}
|
|
|
|
static int COND_IsNumber( WCHAR x )
|
|
{
|
|
return( (( x >= '0' ) && ( x <= '9' )) || (x =='-') || (x =='.') );
|
|
}
|
|
|
|
|
|
/* the mess of comparison functions */
|
|
|
|
static INT comp_lt_i(INT a, INT b)
|
|
{ return (a < b); }
|
|
static INT comp_gt_i(INT a, INT b)
|
|
{ return (a > b); }
|
|
static INT comp_le_i(INT a, INT b)
|
|
{ return (a <= b); }
|
|
static INT comp_ge_i(INT a, INT b)
|
|
{ return (a >= b); }
|
|
static INT comp_eq_i(INT a, INT b)
|
|
{ return (a == b); }
|
|
static INT comp_ne_i(INT a, INT b)
|
|
{ return (a != b); }
|
|
static INT comp_bitand(INT a, INT b)
|
|
{ return a & b;}
|
|
static INT comp_highcomp(INT a, INT b)
|
|
{ return HIWORD(a)==b; }
|
|
static INT comp_lowcomp(INT a, INT b)
|
|
{ return LOWORD(a)==b; }
|
|
|
|
static INT comp_eq_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return !strcmpiW(a,b); else return !strcmpW(a,b);}
|
|
static INT comp_ne_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strcmpiW(a,b); else return strcmpW(a,b);}
|
|
static INT comp_lt_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strcmpiW(a,b)<0; else return strcmpW(a,b)<0;}
|
|
static INT comp_gt_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strcmpiW(a,b)>0; else return strcmpW(a,b)>0;}
|
|
static INT comp_le_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strcmpiW(a,b)<=0; else return strcmpW(a,b)<=0;}
|
|
static INT comp_ge_s(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strcmpiW(a,b)>=0; else return strcmpW(a,b)>=0;}
|
|
static INT comp_substring(LPWSTR a, LPWSTR b, BOOL casless)
|
|
/* ERROR NOT WORKING REWRITE */
|
|
{ if (casless) return strstrW(a,b)!=NULL; else return strstrW(a,b)!=NULL;}
|
|
static INT comp_start(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{ if (casless) return strncmpiW(a,b,strlenW(b))==0;
|
|
else return strncmpW(a,b,strlenW(b))==0;}
|
|
static INT comp_end(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{
|
|
int i = strlenW(a);
|
|
int j = strlenW(b);
|
|
if (j>i)
|
|
return 0;
|
|
if (casless) return (!strcmpiW(&a[i-j-1],b));
|
|
else return (!strcmpW(&a[i-j-1],b));
|
|
}
|
|
|
|
|
|
static INT comp_eq_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)==b; else return 0;}
|
|
static INT comp_ne_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)!=b; else return 1;}
|
|
static INT comp_lt_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)<b; else return 0;}
|
|
static INT comp_gt_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)>b; else return 0;}
|
|
static INT comp_le_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)<=b; else return 0;}
|
|
static INT comp_ge_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)>=b; else return 0;}
|
|
|
|
static INT comp_eq_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a == atoiW(b); else return 0;}
|
|
static INT comp_ne_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a != atoiW(b); else return 1;}
|
|
static INT comp_lt_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a < atoiW(b); else return 0;}
|
|
static INT comp_gt_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a > atoiW(b); else return 0;}
|
|
static INT comp_le_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a <= atoiW(b); else return 0;}
|
|
static INT comp_ge_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a >= atoiW(b); else return 0;}
|
|
|
|
|
|
|
|
static int COND_IsIdent( WCHAR x )
|
|
{
|
|
return( COND_IsAlpha( x ) || COND_IsNumber( x ) || ( x == '_' )
|
|
|| ( x == '#' ) || (x == '.') );
|
|
}
|
|
|
|
static int COND_GetOne( struct cond_str *str, COND_input *cond )
|
|
{
|
|
static const WCHAR szNot[] = {'N','O','T',0};
|
|
static const WCHAR szAnd[] = {'A','N','D',0};
|
|
static const WCHAR szOr[] = {'O','R',0};
|
|
WCHAR ch;
|
|
int rc, len = 1;
|
|
|
|
str->data = &cond->str[cond->n];
|
|
|
|
ch = str->data[0];
|
|
switch( ch )
|
|
{
|
|
case 0: return 0;
|
|
case '(': rc = COND_LPAR; break;
|
|
case ')': rc = COND_RPAR; break;
|
|
case '&': rc = COND_AMPER; break;
|
|
case '!': rc = COND_EXCLAM; break;
|
|
case '$': rc = COND_DOLLARS; break;
|
|
case '?': rc = COND_QUESTION; break;
|
|
case '%': rc = COND_PERCENT; break;
|
|
case ' ': rc = COND_SPACE; break;
|
|
case '=': rc = COND_EQ; break;
|
|
case '~': rc = COND_TILDA; break;
|
|
case '<': rc = COND_LT; break;
|
|
case '>': rc = COND_GT; break;
|
|
case '"':
|
|
{
|
|
const WCHAR *ch2 = str->data + 1;
|
|
|
|
|
|
while ( *ch2 && *ch2 != '"' )
|
|
++ch2;
|
|
if (*ch2 == '"')
|
|
{
|
|
len = ch2 - str->data + 1;
|
|
rc = COND_LITER;
|
|
break;
|
|
}
|
|
}
|
|
ERR("Unterminated string\n");
|
|
rc = COND_ERROR;
|
|
break;
|
|
default:
|
|
if( COND_IsAlpha( ch ) )
|
|
{
|
|
while( COND_IsIdent( str->data[len] ) )
|
|
len++;
|
|
rc = COND_IDENT;
|
|
break;
|
|
}
|
|
|
|
if( COND_IsNumber( ch ) )
|
|
{
|
|
while( COND_IsNumber( str->data[len] ) )
|
|
len++;
|
|
rc = COND_NUMBER;
|
|
break;
|
|
}
|
|
|
|
ERR("Got unknown character %c(%x)\n",ch,ch);
|
|
rc = COND_ERROR;
|
|
break;
|
|
}
|
|
|
|
/* keyword identifiers */
|
|
if( rc == COND_IDENT )
|
|
{
|
|
if( (len==3) && (strncmpiW(str->data,szNot,len)==0) )
|
|
rc = COND_NOT;
|
|
else if( (len==3) && (strncmpiW(str->data,szAnd,len)==0) )
|
|
rc = COND_AND;
|
|
else if( (len==2) && (strncmpiW(str->data,szOr,len)==0) )
|
|
rc = COND_OR;
|
|
}
|
|
|
|
cond->n += len;
|
|
str->len = len;
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int COND_lex( void *COND_lval, COND_input *cond )
|
|
{
|
|
int rc;
|
|
struct cond_str *str = COND_lval;
|
|
|
|
do {
|
|
rc = COND_GetOne( str, cond );
|
|
} while (rc == COND_SPACE);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static LPWSTR COND_GetString( struct cond_str *str )
|
|
{
|
|
LPWSTR ret;
|
|
|
|
ret = HeapAlloc( GetProcessHeap(), 0, (str->len+1) * sizeof (WCHAR) );
|
|
if( ret )
|
|
{
|
|
memcpy( ret, str->data, str->len * sizeof(WCHAR));
|
|
ret[str->len]=0;
|
|
}
|
|
TRACE("Got identifier %s\n",debugstr_w(ret));
|
|
return ret;
|
|
}
|
|
|
|
static LPWSTR COND_GetLiteral( struct cond_str *str )
|
|
{
|
|
LPWSTR ret;
|
|
|
|
ret = HeapAlloc( GetProcessHeap(), 0, (str->len-1) * sizeof (WCHAR) );
|
|
if( ret )
|
|
{
|
|
memcpy( ret, str->data+1, (str->len-2) * sizeof(WCHAR) );
|
|
ret[str->len - 2]=0;
|
|
}
|
|
TRACE("Got literal %s\n",debugstr_w(ret));
|
|
return ret;
|
|
}
|
|
|
|
static int COND_error(const char *str)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
MSICONDITION MSI_EvaluateConditionW( MSIPACKAGE *package, LPCWSTR szCondition )
|
|
{
|
|
COND_input cond;
|
|
MSICONDITION r;
|
|
|
|
cond.package = package;
|
|
cond.str = szCondition;
|
|
cond.n = 0;
|
|
cond.result = -1;
|
|
|
|
TRACE("Evaluating %s\n",debugstr_w(szCondition));
|
|
|
|
if ( szCondition == NULL || szCondition[0] == 0)
|
|
r = MSICONDITION_NONE;
|
|
else if ( !COND_parse( &cond ) )
|
|
r = cond.result;
|
|
else
|
|
r = MSICONDITION_ERROR;
|
|
|
|
TRACE("Evaluates to %i\n",r);
|
|
return r;
|
|
}
|
|
|
|
MSICONDITION WINAPI MsiEvaluateConditionW( MSIHANDLE hInstall, LPCWSTR szCondition )
|
|
{
|
|
MSIPACKAGE *package;
|
|
UINT ret;
|
|
|
|
package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
|
|
if( !package)
|
|
return ERROR_INVALID_HANDLE;
|
|
ret = MSI_EvaluateConditionW( package, szCondition );
|
|
msiobj_release( &package->hdr );
|
|
return ret;
|
|
}
|
|
|
|
MSICONDITION WINAPI MsiEvaluateConditionA( MSIHANDLE hInstall, LPCSTR szCondition )
|
|
{
|
|
LPWSTR szwCond = NULL;
|
|
MSICONDITION r;
|
|
|
|
if( szCondition )
|
|
{
|
|
UINT len = MultiByteToWideChar( CP_ACP, 0, szCondition, -1, NULL, 0 );
|
|
szwCond = HeapAlloc( GetProcessHeap(), 0, len * sizeof (WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, szCondition, -1, szwCond, len );
|
|
}
|
|
|
|
r = MsiEvaluateConditionW( hInstall, szwCond );
|
|
|
|
HeapFree( GetProcessHeap(), 0, szwCond );
|
|
|
|
return r;
|
|
}
|