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formats/fs_prodos.cpp: Recognize some file types

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This commit is contained in:
AJR 2024-02-10 21:37:22 -05:00
parent 3a454f5615
commit e7ea38d3c0
1 changed files with 46 additions and 1 deletions
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47
src/lib/formats/fs_prodos.cpp
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@ -8,9 +8,11 @@
#include "ap2_dsk.h"
#include "fsblk.h"
#include "corestr.h"
#include "multibyte.h"
#include "strformat.h"
#include <map>
#include <stdexcept>
using namespace fs;
@ -126,6 +128,46 @@ char prodos_image::directory_separator() const
return '/';
}
// TODO: this list is incomplete
static const std::map<u8, const char *> s_file_types =
{
{ 0x00, "UNK" },
{ 0x01, "BAD" },
{ 0x04, "TXT" },
{ 0x06, "BIN" },
{ 0x0f, "DIR" },
{ 0x19, "ADB" },
{ 0x1a, "AWP" },
{ 0x1b, "ASP" },
{ 0xc9, "FND" },
{ 0xca, "ICN" },
{ 0xef, "PAS" },
{ 0xf0, "CMD" },
{ 0xfa, "INT" },
{ 0xfb, "IVR" },
{ 0xfc, "BAS" },
{ 0xfd, "VAR" },
{ 0xfe, "REL" },
{ 0xff, "SYS" }
};
static std::string file_type_to_string(uint8_t type)
{
auto res = s_file_types.find(type);
if (res != s_file_types.end())
return res->second;
else
return util::string_format("0x%02x", type);
}
static bool validate_file_type(std::string str)
{
if ((str.length() == 3 || str.length() == 4) && str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
return str.find_first_not_of("0123456789ABCDEFabcdef", 2) == std::string::npos;
else
return std::any_of(s_file_types.begin(), s_file_types.end(), [&str](const auto &pair) { return util::strequpper(str, pair.second); });
}
std::vector<meta_description> prodos_image::volume_meta_description() const
{
std::vector<meta_description> res;
@ -145,6 +187,7 @@ std::vector<meta_description> prodos_image::file_meta_description() const
res.emplace_back(meta_description(meta_name::name, "Empty file", false, [](const meta_value &m) { return m.as_string().size() <= 15; }, "File name, up to 15 characters"));
res.emplace_back(meta_description(meta_name::length, 0, true, nullptr, "Size of the file in bytes"));
res.emplace_back(meta_description(meta_name::rsrc_length, 0, true, nullptr, "Size of the resource fork in bytes"));
res.emplace_back(meta_description(meta_name::file_type, "UNK", false, [](const meta_value &m) { return validate_file_type(m.as_string()); }, "File type, 3 letters or hex code preceded by 0x"));
res.emplace_back(meta_description(meta_name::os_version, 5, false, [](const meta_value &m) { return m.as_number() <= 255; }, "Creator OS version"));
res.emplace_back(meta_description(meta_name::os_minimum_version, 5, false, [](const meta_value &m) { return m.as_number() <= 255; }, "Minimum OS version"));
@ -296,8 +339,10 @@ std::pair<err_t, std::vector<dir_entry>> prodos_impl::directory_contents(const s
meta.set(meta_name::length, rootblk.r24l(0x005));
meta.set(meta_name::rsrc_length, rootblk.r24l(0x105));
} else if(type >= 1 && type <= 3)
} else if(type >= 1 && type <= 3) {
meta.set(meta_name::length, blk.r24l(off + 0x15));
meta.set(meta_name::file_type, file_type_to_string(blk.r8(off + 0x10)));
}
meta.set(meta_name::os_version, blk.r8(off + 0x1c));
meta.set(meta_name::os_minimum_version, blk.r8(off + 0x1d));