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[wpiutil] Return wpi::expected from MemoryBuffer::GetFile (#7069)

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This commit is contained in:
Joseph Eng
2024-09-12 23:45:35 -07:00
committed by GitHub
parent d44b651558
commit 1f3ef019ce
15 changed files with 87 additions and 103 deletions
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62
glass/src/lib/native/cpp/Context.cpp
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@@ -128,50 +128,44 @@ static bool JsonToWindow(const wpi::json& jfile, const char* filename) {
}
static bool LoadWindowStorageImpl(const std::string& filename) {
std::error_code ec;
std::unique_ptr<wpi::MemoryBuffer> fileBuffer =
wpi::MemoryBuffer::GetFile(filename, ec);
if (fileBuffer == nullptr || ec) {
auto fileBuffer = wpi::MemoryBuffer::GetFile(filename);
if (!fileBuffer) {
ImGui::LogText("error opening %s: %s", filename.c_str(),
ec.message().c_str());
fileBuffer.error().message().c_str());
return false;
}
try {
return JsonToWindow(wpi::json::parse(fileBuffer.value()->GetCharBuffer()),
filename.c_str());
} catch (wpi::json::parse_error& e) {
ImGui::LogText("Error loading %s: %s", filename.c_str(), e.what());
return false;
} else {
try {
return JsonToWindow(wpi::json::parse(fileBuffer->GetCharBuffer()),
filename.c_str());
} catch (wpi::json::parse_error& e) {
ImGui::LogText("Error loading %s: %s", filename.c_str(), e.what());
return false;
}
}
}
static bool LoadStorageRootImpl(Context* ctx, const std::string& filename,
std::string_view rootName) {
std::error_code ec;
std::unique_ptr<wpi::MemoryBuffer> fileBuffer =
wpi::MemoryBuffer::GetFile(filename, ec);
if (fileBuffer == nullptr || ec) {
auto fileBuffer = wpi::MemoryBuffer::GetFile(filename);
if (!fileBuffer) {
ImGui::LogText("error opening %s: %s", filename.c_str(),
ec.message().c_str());
fileBuffer.error().message().c_str());
return false;
} else {
auto& storage = ctx->storageRoots[rootName];
bool createdStorage = false;
if (!storage) {
storage = std::make_unique<Storage>();
createdStorage = true;
}
try {
storage->FromJson(wpi::json::parse(fileBuffer->GetCharBuffer()),
filename.c_str());
} catch (wpi::json::parse_error& e) {
ImGui::LogText("Error loading %s: %s", filename.c_str(), e.what());
if (createdStorage) {
ctx->storageRoots.erase(rootName);
}
return false;
}
auto& storage = ctx->storageRoots[rootName];
bool createdStorage = false;
if (!storage) {
storage = std::make_unique<Storage>();
createdStorage = true;
}
try {
storage->FromJson(wpi::json::parse(fileBuffer.value()->GetCharBuffer()),
filename.c_str());
} catch (wpi::json::parse_error& e) {
ImGui::LogText("Error loading %s: %s", filename.c_str(), e.what());
if (createdStorage) {
ctx->storageRoots.erase(rootName);
}
return false;
}
return true;
}