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-rw-r--r--absl/strings/internal/str_format/bind.cc41
-rw-r--r--absl/strings/internal/str_format/bind.h32
2 files changed, 39 insertions, 34 deletions
diff --git a/absl/strings/internal/str_format/bind.cc b/absl/strings/internal/str_format/bind.cc
index 33e86415..c4eddd17 100644
--- a/absl/strings/internal/str_format/bind.cc
+++ b/absl/strings/internal/str_format/bind.cc
@@ -103,15 +103,15 @@ class ConverterConsumer {
};
template <typename Converter>
-bool ConvertAll(const UntypedFormatSpecImpl& format,
- absl::Span<const FormatArgImpl> args,
- const Converter& converter) {
- const ParsedFormatBase* pc = format.parsed_conversion();
- if (pc)
- return pc->ProcessFormat(ConverterConsumer<Converter>(converter, args));
-
- return ParseFormatString(format.str(),
- ConverterConsumer<Converter>(converter, args));
+bool ConvertAll(const UntypedFormatSpecImpl format,
+ absl::Span<const FormatArgImpl> args, Converter converter) {
+ if (format.has_parsed_conversion()) {
+ return format.parsed_conversion()->ProcessFormat(
+ ConverterConsumer<Converter>(converter, args));
+ } else {
+ return ParseFormatString(format.str(),
+ ConverterConsumer<Converter>(converter, args));
+ }
}
class DefaultConverter {
@@ -158,7 +158,7 @@ bool BindWithPack(const UnboundConversion* props,
return ArgContext(pack).Bind(props, bound);
}
-std::string Summarize(const UntypedFormatSpecImpl& format,
+std::string Summarize(const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
typedef SummarizingConverter Converter;
std::string out;
@@ -167,23 +167,18 @@ std::string Summarize(const UntypedFormatSpecImpl& format,
// flush.
FormatSinkImpl sink(&out);
if (!ConvertAll(format, args, Converter(&sink))) {
- sink.Flush();
- out.clear();
+ return "";
}
}
return out;
}
bool FormatUntyped(FormatRawSinkImpl raw_sink,
- const UntypedFormatSpecImpl& format,
+ const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
FormatSinkImpl sink(raw_sink);
using Converter = DefaultConverter;
- if (!ConvertAll(format, args, Converter(&sink))) {
- sink.Flush();
- return false;
- }
- return true;
+ return ConvertAll(format, args, Converter(&sink));
}
std::ostream& Streamable::Print(std::ostream& os) const {
@@ -191,14 +186,16 @@ std::ostream& Streamable::Print(std::ostream& os) const {
return os;
}
-std::string& AppendPack(std::string* out, const UntypedFormatSpecImpl& format,
+std::string& AppendPack(std::string* out, const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
size_t orig = out->size();
- if (!FormatUntyped(out, format, args)) out->resize(orig);
+ if (ABSL_PREDICT_FALSE(!FormatUntyped(out, format, args))) {
+ out->erase(orig);
+ }
return *out;
}
-int FprintF(std::FILE* output, const UntypedFormatSpecImpl& format,
+int FprintF(std::FILE* output, const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
FILERawSink sink(output);
if (!FormatUntyped(&sink, format, args)) {
@@ -216,7 +213,7 @@ int FprintF(std::FILE* output, const UntypedFormatSpecImpl& format,
return static_cast<int>(sink.count());
}
-int SnprintF(char* output, size_t size, const UntypedFormatSpecImpl& format,
+int SnprintF(char* output, size_t size, const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
BufferRawSink sink(output, size ? size - 1 : 0);
if (!FormatUntyped(&sink, format, args)) {
diff --git a/absl/strings/internal/str_format/bind.h b/absl/strings/internal/str_format/bind.h
index 9d3d67c6..a503b19b 100644
--- a/absl/strings/internal/str_format/bind.h
+++ b/absl/strings/internal/str_format/bind.h
@@ -33,13 +33,21 @@ class UntypedFormatSpecImpl {
public:
UntypedFormatSpecImpl() = delete;
- explicit UntypedFormatSpecImpl(string_view s) : str_(s), pc_() {}
+ explicit UntypedFormatSpecImpl(string_view s)
+ : data_(s.data()), size_(s.size()) {}
explicit UntypedFormatSpecImpl(
const str_format_internal::ParsedFormatBase* pc)
- : pc_(pc) {}
- string_view str() const { return str_; }
+ : data_(pc), size_(~size_t{}) {}
+
+ bool has_parsed_conversion() const { return size_ == ~size_t{}; }
+
+ string_view str() const {
+ assert(!has_parsed_conversion());
+ return string_view(static_cast<const char*>(data_), size_);
+ }
const str_format_internal::ParsedFormatBase* parsed_conversion() const {
- return pc_;
+ assert(has_parsed_conversion());
+ return static_cast<const str_format_internal::ParsedFormatBase*>(data_);
}
template <typename T>
@@ -48,8 +56,8 @@ class UntypedFormatSpecImpl {
}
private:
- string_view str_;
- const str_format_internal::ParsedFormatBase* pc_;
+ const void* data_;
+ size_t size_;
};
template <typename T, typename...>
@@ -144,28 +152,28 @@ class Streamable {
};
// for testing
-std::string Summarize(const UntypedFormatSpecImpl& format,
+std::string Summarize(UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args);
bool BindWithPack(const UnboundConversion* props,
absl::Span<const FormatArgImpl> pack, BoundConversion* bound);
bool FormatUntyped(FormatRawSinkImpl raw_sink,
- const UntypedFormatSpecImpl& format,
+ UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args);
-std::string& AppendPack(std::string* out, const UntypedFormatSpecImpl& format,
+std::string& AppendPack(std::string* out, UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args);
-inline std::string FormatPack(const UntypedFormatSpecImpl& format,
+inline std::string FormatPack(const UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args) {
std::string out;
AppendPack(&out, format, args);
return out;
}
-int FprintF(std::FILE* output, const UntypedFormatSpecImpl& format,
+int FprintF(std::FILE* output, UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args);
-int SnprintF(char* output, size_t size, const UntypedFormatSpecImpl& format,
+int SnprintF(char* output, size_t size, UntypedFormatSpecImpl format,
absl::Span<const FormatArgImpl> args);
// Returned by Streamed(v). Converts via '%s' to the string created
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 01:42:35 +0000