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Simplify file opening logic.

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This commit is contained in:
Allison Vacanti
2021-03-03 21:37:09 -05:00
parent b858b2c06d
commit a588af92fa
1 changed files with 8 additions and 19 deletions
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27
nvbench/option_parser.cu
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@@ -162,7 +162,7 @@ std::vector<T> parse_values(std::string_view value_spec)
"\\s*" // Whitespace
"(" // Start value capture
"[^\\]]+?" // One or more "not ]"
"," // Literal '.'
"," // Literal ','
"[^\\]]+?" // One or more "not ]"
")" // End value capture
"\\s*" // Whitespace
@@ -184,7 +184,7 @@ std::vector<T> parse_values(std::string_view value_spec)
// Match a single value, e.g. "XXX" or "[XXX]"
static const std::regex single_regex{"^" // Start of string
"\\[?" // Literal `[`
"\\[?" // Optional Literal `[`
"\\s*" // Whitespace
"(" // Start value capture
"[^,\\]:]+?" // One or more "not ,]:"
@@ -459,25 +459,14 @@ std::ostream &option_parser::printer_spec_to_ostream(const std::string &spec)
{
return std::cerr;
}
else
else // spec is a filename:
{
m_ofstream_storage.push_back(std::make_unique<std::ofstream>());
auto &file_stream = *m_ofstream_storage.back();
auto file_stream = std::make_unique<std::ofstream>();
// Throw if file can't open
file_stream.exceptions(file_stream.exceptions() | std::ios::failbit);
try
{
file_stream.open(spec);
}
catch (...)
{
m_ofstream_storage.pop_back();
throw;
}
return file_stream;
file_stream->exceptions(file_stream->exceptions() | std::ios::failbit);
file_stream->open(spec);
m_ofstream_storage.push_back(std::move(file_stream));
return *m_ofstream_storage.back();
}
}