1 #include "rar.hpp"
2 
3 static bool match(const wchar *pattern,const wchar *string,bool ForceCase);
4 static int mwcsicompc(const wchar *Str1,const wchar *Str2,bool ForceCase);
5 static int mwcsnicompc(const wchar *Str1,const wchar *Str2,size_t N,bool ForceCase);
6 
touppercw(uint ch,bool ForceCase)7 inline uint touppercw(uint ch,bool ForceCase)
8 {
9   if (ForceCase)
10     return ch;
11 #if defined(_UNIX)
12   return ch;
13 #else
14   return toupperw(ch);
15 #endif
16 }
17 
18 
CmpName(const wchar * Wildcard,const wchar * Name,int CmpMode)19 bool CmpName(const wchar *Wildcard,const wchar *Name,int CmpMode)
20 {
21   bool ForceCase=(CmpMode&MATCH_FORCECASESENSITIVE)!=0;
22 
23   CmpMode&=MATCH_MODEMASK;
24 
25   if (CmpMode!=MATCH_NAMES)
26   {
27     size_t WildLength=wcslen(Wildcard);
28     if (CmpMode!=MATCH_EXACT && CmpMode!=MATCH_EXACTPATH &&
29         mwcsnicompc(Wildcard,Name,WildLength,ForceCase)==0)
30     {
31       // For all modes except MATCH_NAMES, MATCH_EXACT and MATCH_EXACTPATH
32       // "path1" mask must match "path1\path2\filename.ext" and "path1" names.
33       wchar NextCh=Name[WildLength];
34       if (NextCh==L'\\' || NextCh==L'/' || NextCh==0)
35         return(true);
36     }
37 
38     // Nothing more to compare for MATCH_SUBPATHONLY.
39     if (CmpMode==MATCH_SUBPATHONLY)
40       return(false);
41 
42     wchar Path1[NM],Path2[NM];
43     GetFilePath(Wildcard,Path1,ASIZE(Path1));
44     GetFilePath(Name,Path2,ASIZE(Path2));
45 
46     if ((CmpMode==MATCH_EXACT || CmpMode==MATCH_EXACTPATH) &&
47         mwcsicompc(Path1,Path2,ForceCase)!=0)
48       return(false);
49     if (CmpMode==MATCH_SUBPATH || CmpMode==MATCH_WILDSUBPATH)
50       if (IsWildcard(Path1))
51         return(match(Wildcard,Name,ForceCase));
52       else
53         if (CmpMode==MATCH_SUBPATH || IsWildcard(Wildcard))
54         {
55           if (*Path1 && mwcsnicompc(Path1,Path2,wcslen(Path1),ForceCase)!=0)
56             return(false);
57         }
58         else
59           if (mwcsicompc(Path1,Path2,ForceCase)!=0)
60             return(false);
61   }
62   wchar *Name1=PointToName(Wildcard);
63   wchar *Name2=PointToName(Name);
64 
65   // Always return false for RAR temporary files to exclude them
66   // from archiving operations.
67   if (mwcsnicompc(L"__rar_",Name2,6,false)==0)
68     return(false);
69 
70   if (CmpMode==MATCH_EXACT)
71     return(mwcsicompc(Name1,Name2,ForceCase)==0);
72 
73   return(match(Name1,Name2,ForceCase));
74 }
75 
76 
match(const wchar * pattern,const wchar * string,bool ForceCase)77 bool match(const wchar *pattern,const wchar *string,bool ForceCase)
78 {
79   for (;; ++string)
80   {
81     wchar stringc=touppercw(*string,ForceCase);
82     wchar patternc=touppercw(*pattern++,ForceCase);
83     switch (patternc)
84     {
85       case 0:
86         return(stringc==0);
87       case '?':
88         if (stringc == 0)
89           return(false);
90         break;
91       case '*':
92         if (*pattern==0)
93           return(true);
94         if (*pattern=='.')
95         {
96           if (pattern[1]=='*' && pattern[2]==0)
97             return(true);
98           const wchar *dot=wcschr(string,'.');
99           if (pattern[1]==0)
100             return (dot==NULL || dot[1]==0);
101           if (dot!=NULL)
102           {
103             string=dot;
104             if (wcspbrk(pattern,L"*?")==NULL && wcschr(string+1,'.')==NULL)
105               return(mwcsicompc(pattern+1,string+1,ForceCase)==0);
106           }
107         }
108 
109         while (*string)
110           if (match(pattern,string++,ForceCase))
111             return(true);
112         return(false);
113       default:
114         if (patternc != stringc)
115         {
116           // Allow "name." mask match "name" and "name.\" match "name\".
117           if (patternc=='.' && (stringc==0 || stringc=='\\' || stringc=='.'))
118             return(match(pattern,string,ForceCase));
119           else
120             return(false);
121         }
122         break;
123     }
124   }
125 }
126 
127 
mwcsicompc(const wchar * Str1,const wchar * Str2,bool ForceCase)128 int mwcsicompc(const wchar *Str1,const wchar *Str2,bool ForceCase)
129 {
130   if (ForceCase)
131     return(wcscmp(Str1,Str2));
132   return(wcsicompc(Str1,Str2));
133 }
134 
135 
mwcsnicompc(const wchar * Str1,const wchar * Str2,size_t N,bool ForceCase)136 int mwcsnicompc(const wchar *Str1,const wchar *Str2,size_t N,bool ForceCase)
137 {
138   if (ForceCase)
139     return(wcsncmp(Str1,Str2,N));
140 #if defined(_UNIX)
141   return(wcsncmp(Str1,Str2,N));
142 #else
143   return(wcsnicomp(Str1,Str2,N));
144 #endif
145 }
146