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Decode timestamps into a custom property.

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dg
2023-05-06 10:16:12 +00:00
parent d9b319eaed
commit e6d9de2d80
4 changed files with 54 additions and 9 deletions
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36
lib/vfs/lif.cc
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@@ -3,6 +3,7 @@
#include "lib/config.pb.h"
#include "lib/utils.h"
#include <fmt/format.h>
#include <iomanip>
/* See https://www.hp9845.net/9845/projects/hpdir/#lif_filesystem for
* a description. */
@@ -84,12 +85,35 @@ class LifFilesystem : public Filesystem
uint16_t type = br.read_be16();
location = br.read_be32();
length = br.read_be32() * config.block_size();
int year = unbcd(br.read_8());
int month = unbcd(br.read_8());
int day = unbcd(br.read_8());
int hour = unbcd(br.read_8());
int minute = unbcd(br.read_8());
int second = unbcd(br.read_8());
if (year >= 70)
year += 1900;
else
year += 2000;
auto it = numberToFileType.find(type);
if (it != numberToFileType.end())
mode = it->second;
else
mode = fmt::format("{:04x}", type);
std::tm tm = {
.tm_sec = second,
.tm_min = minute,
.tm_hour = hour,
.tm_mday = day,
.tm_mon = month,
.tm_year = year - 1900,
.tm_isdst = -1
};
std::stringstream ss;
ss << std::put_time(&tm, "%FT%T%z");
ctime = ss.str();
auto it = numberToFileType.find(type);
if (it != numberToFileType.end())
mode = it->second;
else
mode = fmt::format("0x{:04x}", type);
path = {filename};
@@ -97,10 +121,12 @@ class LifFilesystem : public Filesystem
attributes[Filesystem::LENGTH] = std::to_string(length);
attributes[Filesystem::FILE_TYPE] = "file";
attributes[Filesystem::MODE] = mode;
attributes["lif.ctime"] = ctime;
}
public:
uint32_t location;
std::string ctime;
};
public: