1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
#include <precomp.h>
#define REAL_STDIO
#include "zipread.h"
#include <zlib/unzip.h>
#include <bfc/parse/pathparse.h>
#include <api/skin/api_skin.h>
#define UNZIPBUFSIZE 65536
int ZipRead::open(const char *filename, int mode) {
unzFile f=NULL;
int success=0;
if (WASABI_API_SKIN == NULL) return 0;
PathParser pp1(WASABI_API_SKIN->getSkinsPath());
PathParser pp2(filename);
int v;
for (v=0;v<pp1.getNumStrings();v++)
if (!STRCASEEQLSAFE(pp1.enumString(v), pp2.enumString(v))) return 0;
String walName = pp2.enumString(v);
String file;
for (v=v+1;v<pp2.getNumStrings();v++) {
if (!file.isempty()) file.cat(DIRCHARSTR);
file += pp2.enumString(v);
}
// is there a zip file?
String zipName;
Std::fileInfoStruct zipFi;
if(!Std::getFileInfos(zipName=StringPrintf("%s%s.wal",WASABI_API_SKIN->getSkinsPath(),walName.getValue()),&zipFi) &&
!Std::getFileInfos(zipName=StringPrintf("%s%s.wsz",WASABI_API_SKIN->getSkinsPath(),walName.getValue()),&zipFi) &&
!Std::getFileInfos(zipName=StringPrintf("%s%s.zip",WASABI_API_SKIN->getSkinsPath(),walName.getValue()),&zipFi))
return 0; // zip not found
if(zipTmpDir.isempty()) {
char tmpPath[WA_MAX_PATH];
Std::getTempPath(sizeof(tmpPath)-1,tmpPath);
zipTmpDir=StringPrintf("%s_wa3sktmp",tmpPath);
Std::createDirectory(zipTmpDir);
}
// check in cached opened zip dirs
int badcrc=0;
for(int i=0;i<openedZipHandles.getNumItems();i++) {
if(!STRICMP(openedZipHandles[i].name->getValue(), walName)) {
if(!MEMCMP(&openedZipHandles[i].checksum,&zipFi,sizeof(zipFi))) {
// try to find it in the dezipped temp dir
handle=openInTempDir(walName,file);
if(handle) return 1;
else return 0;
} else {
// bad checksum
badcrc=1;
break;
}
}
}
// is the dezipped dir is here?
if(!badcrc) {
StringPrintf tmpf("%s%s%s%s_wa3chksum",zipTmpDir.getValue(),DIRCHARSTR,walName.getValue(),DIRCHARSTR);
FILE *fh=fopen(tmpf,"rb");
if(fh) {
Std::fileInfoStruct tmpFi={0,};
fread(&tmpFi,1,sizeof(tmpFi),fh);
fclose(fh);
if(!MEMCMP(&tmpFi,&zipFi,sizeof(tmpFi))) {
// checksum correct
openedZipEntry ze={new String(walName), new String(zipName)};
ze.checksum=tmpFi;
openedZipHandles.addItem(ze);
handle=openInTempDir(walName,file);
if(handle) return 1;
else return 0;
}
}
}
// not found, so try to find it in a zip file
f = unzOpen(zipName);
if(!f) return 0;
StringPrintf zDir("%s%s%s",zipTmpDir.getValue(),DIRCHARSTR,walName.getValue());
Std::removeDirectory(zDir,1);
// unpack the zip in temp folder
String dirmask;
unzGoToFirstFile(f);
Std::createDirectory(zDir);
do {
char filename[MAX_PATH];
unzGetCurrentFileInfo(f,NULL,filename,sizeof(filename),NULL,0,NULL,0);
if (unzOpenCurrentFile(f) == UNZ_OK) {
int l;
dirmask.printf("%s%s%s",zDir.getValue(),DIRCHARSTR,filename);
if (Std::isDirChar(dirmask.lastChar())) {
// create dir
Std::createDirectory(dirmask);
} else {
// create file
FILE *fp = fopen(dirmask,"wb");
if(!fp) {
String dir=dirmask;
char *p=(char *)Std::filename(dir);
if(p) {
*p=0;
Std::createDirectory(dir);
fp = fopen(dirmask,"wb");
}
}
if (fp) {
do {
MemBlock<char> buf(UNZIPBUFSIZE);
l=unzReadCurrentFile(f,buf.getMemory(),buf.getSizeInBytes());
if (l > 0) fwrite(buf.getMemory(),1,l,fp);
} while (l > 0);
fclose(fp);
success=1;
}
}
if (unzCloseCurrentFile(f) == UNZ_CRCERROR) success=0;
}
} while (unzGoToNextFile(f) == UNZ_OK);
unzClose(f);
// write the checksum file
Std::fileInfoStruct fi;
Std::getFileInfos(zipName, &fi);
FILE *fh=fopen(StringPrintf("%s%s_wa3chksum",zDir.getValue(),DIRCHARSTR),"wt");
fwrite(&fi,1,sizeof(fi),fh);
fclose(fh);
openedZipEntry ze={new String(walName), new String(zipName)};
ze.checksum=fi;
openedZipHandles.addItem(ze);
// try to find it (again) in the dezipped temp dir
handle=openInTempDir(walName,file);
if(handle) return 1;
return 0;
}
FILE *ZipRead::openInTempDir(const char *walName, const char *file) {
StringPrintf tmpf("%s%s%s%s%s",zipTmpDir.getValue(),DIRCHARSTR,walName,DIRCHARSTR,file);
FILE *fh=fopen(tmpf,"rb");
if(fh) return fh;
// okay maybe the file isn't in the root dir of the zip file
fh=fopen(StringPrintf("%s%s%s%s%s%s%s",zipTmpDir.getValue(),DIRCHARSTR,walName,DIRCHARSTR,walName,DIRCHARSTR,file),"rb");
if(fh) return fh;
// definitely not here
return 0;
}
void ZipRead::close() {
fclose(handle);
}
int ZipRead::read(char *buffer, int size) {
return fread(buffer,1,size,handle);
}
int ZipRead::getPos() {
return ftell(handle);
}
int ZipRead::getLength() {
int pos=ftell(handle);
fseek(handle,0,SEEK_END);
int length=ftell(handle);
fseek(handle,pos,SEEK_SET);
return length;
}
using namespace wasabi;
TList<ZipRead::openedZipEntry> ZipRead::openedZipHandles;;
|
