void CImageInfo::Parse(const CXmlItem &item)
{
ParseTime(item, CTimeDefined, CTime, "CREATIONTIME");
ParseTime(item, MTimeDefined, MTime, "LASTMODIFICATIONTIME");
NameDefined = ConvertUTF8ToUnicode(item.GetSubStringForTag("NAME"), Name);
// IndexDefined = ParseNumber32(item.GetPropertyValue("INDEX"), Index);
}
IMP_IInArchive_Props
IMP_IInArchive_ArcProps
#define PARSE_NUM(_num_, _dest_) \
{ const char *end; _dest_ = ConvertStringToUInt32(p, &end); \
if ((unsigned)(end - p) != _num_) return 0; p += _num_ + 1; }
static bool ParseUInt64(const CXmlItem &item, const char *name, UInt64 &res)
{
const AString s = item.GetSubStringForTag(name);
if (s.IsEmpty())
return false;
const char *end;
res = ConvertStringToUInt64(s, &end);
return *end == 0;
}
static UInt64 ParseTime(const CXmlItem &item, const char *name)
{
AString s = item.GetSubStringForTag(name);
if (s.Length() < 20)
return 0;
const char *p = s;
if (p[ 4] != '-' || p[ 7] != '-' || p[10] != 'T' ||
p[13] != ':' || p[16] != ':' || p[19] != 'Z')
return 0;
UInt32 year, month, day, hour, min, sec;
if (!ParseNumber(p, 4, year )) return 0;
if (!ParseNumber(p + 5, 2, month)) return 0;
if (!ParseNumber(p + 8, 2, day )) return 0;
if (!ParseNumber(p + 11, 2, hour )) return 0;
if (!ParseNumber(p + 14, 2, min )) return 0;
if (!ParseNumber(p + 17, 2, sec )) return 0;
UInt64 numSecs;
if (!NWindows::NTime::GetSecondsSince1601(year, month, day, hour, min, sec, numSecs))
return 0;
return numSecs * 10000000;
}
static UInt64 ParseTime(const CXmlItem &item, const char *name)
{
const AString s = item.GetSubStringForTag(name);
if (s.Len() < 20)
return 0;
const char *p = s;
if (p[ 4] != '-' || p[ 7] != '-' || p[10] != 'T' ||
p[13] != ':' || p[16] != ':' || p[19] != 'Z')
return 0;
UInt32 year, month, day, hour, min, sec;
PARSE_NUM(4, year)
PARSE_NUM(2, month)
PARSE_NUM(2, day)
PARSE_NUM(2, hour)
PARSE_NUM(2, min)
PARSE_NUM(2, sec)
UInt64 numSecs;
if (!NTime::GetSecondsSince1601(year, month, day, hour, min, sec, numSecs))
return 0;
return numSecs * 10000000;
}
static bool AddItem(const CXmlItem &item, CObjectVector<CFile> &files, int parent)
{
if (!item.IsTag)
return true;
if (item.Name == "file")
{
CFile file;
file.Parent = parent;
parent = files.Size();
file.Name = item.GetSubStringForTag("name");
AString type = item.GetSubStringForTag("type");
if (type == "directory")
file.IsDir = true;
else if (type == "file")
file.IsDir = false;
else
return false;
int dataIndex = item.FindSubTag("data");
if (dataIndex >= 0 && !file.IsDir)
{
file.HasData = true;
const CXmlItem &dataItem = item.SubItems[dataIndex];
if (!ParseUInt64(dataItem, "size", file.Size))
return false;
if (!ParseUInt64(dataItem, "length", file.PackSize))
return false;
if (!ParseUInt64(dataItem, "offset", file.Offset))
return false;
file.Sha1IsDefined = ParseSha1(dataItem, "extracted-checksum", file.Sha1);
// file.packSha1IsDefined = ParseSha1(dataItem, "archived-checksum", file.packSha1);
int encodingIndex = dataItem.FindSubTag("encoding");
if (encodingIndex >= 0)
{
const CXmlItem &encodingItem = dataItem.SubItems[encodingIndex];
if (encodingItem.IsTag)
{
AString s = encodingItem.GetPropertyValue("style");
if (s.Length() >= 0)
{
AString appl = "application/";
if (s.Left(appl.Length()) == appl)
{
s = s.Mid(appl.Length());
AString xx = "x-";
if (s.Left(xx.Length()) == xx)
{
s = s.Mid(xx.Length());
if (s == "gzip")
s = METHOD_NAME_ZLIB;
}
}
file.Method = s;
}
}
}
}
file.CTime = ParseTime(item, "ctime");
file.MTime = ParseTime(item, "mtime");
file.ATime = ParseTime(item, "atime");
files.Add(file);
}
for (int i = 0; i < item.SubItems.Size(); i++)
if (!AddItem(item.SubItems[i], files, parent))
return false;
return true;
}
static bool AddItem(const CXmlItem &item, CObjectVector<CFile> &files, int parent)
{
if (!item.IsTag)
return true;
if (item.Name == "file")
{
CFile file;
file.Parent = parent;
parent = files.Size();
file.Name = item.GetSubStringForTag("name");
AString type = item.GetSubStringForTag("type");
if (type == "directory")
file.IsDir = true;
else if (type == "file")
file.IsDir = false;
else
return false;
int dataIndex = item.FindSubTag("data");
if (dataIndex >= 0 && !file.IsDir)
{
file.HasData = true;
const CXmlItem &dataItem = item.SubItems[dataIndex];
if (!ParseUInt64(dataItem, "size", file.Size))
return false;
if (!ParseUInt64(dataItem, "length", file.PackSize))
return false;
if (!ParseUInt64(dataItem, "offset", file.Offset))
return false;
file.Sha1IsDefined = ParseSha1(dataItem, "extracted-checksum", file.Sha1);
// file.packSha1IsDefined = ParseSha1(dataItem, "archived-checksum", file.packSha1);
int encodingIndex = dataItem.FindSubTag("encoding");
if (encodingIndex >= 0)
{
const CXmlItem &encodingItem = dataItem.SubItems[encodingIndex];
if (encodingItem.IsTag)
{
AString s = encodingItem.GetPropVal("style");
if (!s.IsEmpty())
{
const AString appl = "application/";
if (s.IsPrefixedBy(appl))
{
s.DeleteFrontal(appl.Len());
const AString xx = "x-";
if (s.IsPrefixedBy(xx))
{
s.DeleteFrontal(xx.Len());
if (s == "gzip")
s = METHOD_NAME_ZLIB;
}
}
file.Method = s;
}
}
}
}
file.CTime = ParseTime(item, "ctime");
file.MTime = ParseTime(item, "mtime");
file.ATime = ParseTime(item, "atime");
{
const AString s = item.GetSubStringForTag("mode");
if (s[0] == '0')
{
const char *end;
file.Mode = ConvertOctStringToUInt32(s, &end);
file.ModeDefined = (*end == 0);
}
}
file.User = item.GetSubStringForTag("user");
file.Group = item.GetSubStringForTag("group");
files.Add(file);
}
FOR_VECTOR (i, item.SubItems)
if (!AddItem(item.SubItems[i], files, parent))
return false;
return true;
}
