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SinkImpl: Refactor GetDescription, add GetError, SetEnabled.

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This commit is contained in:
Peter Johnson
2016-10-26 23:31:48 -07:00
parent a5f63c3ae3
commit 5f69cb2a5b
4 changed files with 52 additions and 19 deletions
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29
src/SinkImpl.cpp
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@@ -20,6 +20,18 @@ SinkImpl::~SinkImpl() {
}
}
void SinkImpl::SetDescription(llvm::StringRef description) {
std::lock_guard<std::mutex> lock(m_mutex);
m_description = description;
}
llvm::StringRef SinkImpl::GetDescription(
llvm::SmallVectorImpl<char>& buf) const {
std::lock_guard<std::mutex> lock(m_mutex);
buf.append(m_description.begin(), m_description.end());
return llvm::StringRef{buf.data(), buf.size()};
}
void SinkImpl::SetSource(std::shared_ptr<SourceImpl> source) {
std::lock_guard<std::mutex> lock(m_mutex);
if (m_source) {
@@ -30,3 +42,20 @@ void SinkImpl::SetSource(std::shared_ptr<SourceImpl> source) {
m_source->AddSink();
if (m_enabledCount > 0) m_source->EnableSink();
}
std::string SinkImpl::GetError() const {
std::lock_guard<std::mutex> lock(m_mutex);
if (!m_source) return "no source connected";
auto frame = m_source->GetCurFrame();
if (frame) return std::string{}; // no error
return llvm::StringRef{frame};
}
llvm::StringRef SinkImpl::GetError(llvm::SmallVectorImpl<char>& buf) const {
std::lock_guard<std::mutex> lock(m_mutex);
if (!m_source) return "no source connected";
auto frame = m_source->GetCurFrame();
if (frame) return llvm::StringRef{}; // no error
buf.append(frame.data(), frame.data() + frame.size());
return llvm::StringRef{buf.data(), buf.size()};
}