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Opportunistically take advantage of C++20 move-in/out-of stringstream (#1457)

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* Opportunistically take advantage of C++20 move-out-of stringstream

* Opportunistically take advantage of C++20 move-in/out-of stringstream

---------

Co-authored-by: Jordan Bayles <bayles.jordan@gmail.com>
This commit is contained in:
Bartosz Brachaczek 2024-09-10 05:00:06 +02:00 committed by GitHub
parent 2072e2b4e3
commit 48d2e106a7
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GPG Key ID: B5690EEEBB952194
2 changed files with 4 additions and 6 deletions
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8
src/lib_json/json_reader.cpp
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@ -587,8 +587,7 @@ bool Reader::decodeDouble(Token& token) {
bool Reader::decodeDouble(Token& token, Value& decoded) { bool Reader::decodeDouble(Token& token, Value& decoded) {
double value = 0; double value = 0;
String buffer(token.start_, token.end_); IStringStream is(String(token.start_, token.end_));
IStringStream is(buffer);
if (!(is >> value)) { if (!(is >> value)) {
if (value == std::numeric_limits<double>::max()) if (value == std::numeric_limits<double>::max())
value = std::numeric_limits<double>::infinity(); value = std::numeric_limits<double>::infinity();
@ -1622,8 +1621,7 @@ bool OurReader::decodeDouble(Token& token) {
bool OurReader::decodeDouble(Token& token, Value& decoded) { bool OurReader::decodeDouble(Token& token, Value& decoded) {
double value = 0; double value = 0;
const String buffer(token.start_, token.end_); IStringStream is(String(token.start_, token.end_));
IStringStream is(buffer);
if (!(is >> value)) { if (!(is >> value)) {
if (value == std::numeric_limits<double>::max()) if (value == std::numeric_limits<double>::max())
value = std::numeric_limits<double>::infinity(); value = std::numeric_limits<double>::infinity();
@ -1981,7 +1979,7 @@ bool parseFromStream(CharReader::Factory const& fact, IStream& sin, Value* root,
String* errs) { String* errs) {
OStringStream ssin; OStringStream ssin;
ssin << sin.rdbuf(); ssin << sin.rdbuf();
String doc = ssin.str(); String doc = std::move(ssin).str();
char const* begin = doc.data(); char const* begin = doc.data();
char const* end = begin + doc.size(); char const* end = begin + doc.size();
// Note that we do not actually need a null-terminator. // Note that we do not actually need a null-terminator.

2
src/lib_json/json_writer.cpp
View File

@ -1251,7 +1251,7 @@ String writeString(StreamWriter::Factory const& factory, Value const& root) {
OStringStream sout; OStringStream sout;
StreamWriterPtr const writer(factory.newStreamWriter()); StreamWriterPtr const writer(factory.newStreamWriter());
writer->write(root, &sout); writer->write(root, &sout);
return sout.str(); return std::move(sout).str();
} }
OStream& operator<<(OStream& sout, Value const& root) { OStream& operator<<(OStream& sout, Value const& root) {