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minimal stack creation refactor (wip)

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Green Sky 2024-04-06 11:57:48 +02:00
parent 3b010bd16f
commit 248f68f6a2
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1 changed files with 22 additions and 8 deletions
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30
src/fragment_store/fragment_store.cpp
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@ -51,14 +51,11 @@ static ByteSpan spanFromRead(const std::variant<ByteSpan, std::vector<uint8_t>>&
}
// TODO: these stacks are file specific
static std::stack<std::unique_ptr<File2I>> buildFileStackRead(std::string_view file_path, Encryption encryption, Compression compression) {
std::stack<std::unique_ptr<File2I>> file_stack;
file_stack.push(std::make_unique<File2RFile>(file_path));
if (!file_stack.top()->isGood()) {
std::cerr << "FS error: opening file for reading '" << file_path << "'\n";
return {};
}
// add enc and comp file layers
// assumes a file is already in the stack
static bool buildStackRead(std::stack<std::unique_ptr<File2I>>& file_stack, Encryption encryption, Compression compression) {
assert(!file_stack.empty());
// TODO: decrypt here
assert(encryption == Encryption::NONE);
@ -72,7 +69,24 @@ static std::stack<std::unique_ptr<File2I>> buildFileStackRead(std::string_view f
}
if (!file_stack.top()->isGood()) {
std::cerr << "FS error: file failed to add " << (int)compression << " decompression layer '" << file_path << "'\n";
std::cerr << "FS error: file failed to add " << (int)compression << " decompression layer\n";
return false;
}
return true;
}
static std::stack<std::unique_ptr<File2I>> buildFileStackRead(std::string_view file_path, Encryption encryption, Compression compression) {
std::stack<std::unique_ptr<File2I>> file_stack;
file_stack.push(std::make_unique<File2RFile>(file_path));
if (!file_stack.top()->isGood()) {
std::cerr << "FS error: opening file for reading '" << file_path << "'\n";
return {};
}
if (!buildStackRead(file_stack, encryption, compression)) {
std::cerr << "FS error: file failed to add layers for '" << file_path << "'\n";
return {};
}