config_parser: Add function for writing files
This will be used by the configuration writers shortly.
Change-Id: I6e72b181e365e34808c8e5e4790c446124dc13a3
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/config_parser.cpp b/src/config_parser.cpp
index cd9960d..599908e 100644
--- a/src/config_parser.cpp
+++ b/src/config_parser.cpp
@@ -7,7 +7,9 @@
#include <iterator>
#include <stdexcept>
#include <stdplus/exception.hpp>
+#include <stdplus/fd/atomic.hpp>
#include <stdplus/fd/create.hpp>
+#include <stdplus/fd/fmt.hpp>
#include <stdplus/fd/line.hpp>
#include <string>
#include <utility>
@@ -275,6 +277,39 @@
this->warnings = std::move(parse.warnings);
}
+static void writeFileInt(const SectionMap& map, const fs::path& filename)
+{
+ stdplus::fd::AtomicWriter writer(filename, 0644);
+ stdplus::fd::FormatBuffer out(writer);
+ for (const auto& [section, maps] : map)
+ {
+ for (const auto& map : maps)
+ {
+ out.append(FMT_COMPILE("[{}]\n"), section.get());
+ for (const auto& [key, vals] : map)
+ {
+ for (const auto& val : vals)
+ {
+ out.append(FMT_COMPILE("{}={}\n"), key.get(), val.get());
+ }
+ }
+ }
+ }
+ out.flush();
+ writer.commit();
+}
+
+void Parser::writeFile() const
+{
+ writeFileInt(map, filename);
+}
+
+void Parser::writeFile(const fs::path& filename)
+{
+ writeFileInt(map, filename);
+ this->filename = filename;
+}
+
} // namespace config
} // namespace network
} // namespace phosphor