De-inline SimpleStringBuilder methods
Bug: webrtc:8982
Change-Id: Iadc83f6de48aad9e66952b6d3ff917672e87e247
Reviewed-on: https://webrtc-review.googlesource.com/61042
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22378}diff --git a/rtc_base/strings/string_builder.h b/rtc_base/strings/string_builder.h
index b450a99..d095385 100644
--- a/rtc_base/strings/string_builder.h
+++ b/rtc_base/strings/string_builder.h
@@ -33,51 +33,18 @@
SimpleStringBuilder(const SimpleStringBuilder&) = delete;
SimpleStringBuilder& operator=(const SimpleStringBuilder&) = delete;
- SimpleStringBuilder& operator<<(const char* str) { return Append(str); }
-
- SimpleStringBuilder& operator<<(char ch) { return Append(&ch, 1); }
-
- SimpleStringBuilder& operator<<(const std::string& str) {
- return Append(str.c_str(), str.length());
- }
-
- // Numeric conversion routines.
- //
- // We use std::[v]snprintf instead of std::to_string because:
- // * std::to_string relies on the current locale for formatting purposes,
- // and therefore concurrent calls to std::to_string from multiple threads
- // may result in partial serialization of calls
- // * snprintf allows us to print the number directly into our buffer.
- // * avoid allocating a std::string (potential heap alloc).
- // TODO(tommi): Switch to std::to_chars in C++17.
-
- SimpleStringBuilder& operator<<(int i) { return AppendFormat("%d", i); }
-
- SimpleStringBuilder& operator<<(unsigned i) { return AppendFormat("%u", i); }
-
- SimpleStringBuilder& operator<<(long i) { // NOLINT
- return AppendFormat("%ld", i);
- }
-
- SimpleStringBuilder& operator<<(long long i) { // NOLINT
- return AppendFormat("%lld", i);
- }
-
- SimpleStringBuilder& operator<<(unsigned long i) { // NOLINT
- return AppendFormat("%lu", i);
- }
-
- SimpleStringBuilder& operator<<(unsigned long long i) { // NOLINT
- return AppendFormat("%llu", i);
- }
-
- SimpleStringBuilder& operator<<(float f) { return AppendFormat("%f", f); }
-
- SimpleStringBuilder& operator<<(double f) { return AppendFormat("%f", f); }
-
- SimpleStringBuilder& operator<<(long double f) {
- return AppendFormat("%Lf", f);
- }
+ SimpleStringBuilder& operator<<(const char* str);
+ SimpleStringBuilder& operator<<(char ch);
+ SimpleStringBuilder& operator<<(const std::string& str);
+ SimpleStringBuilder& operator<<(int i);
+ SimpleStringBuilder& operator<<(unsigned i);
+ SimpleStringBuilder& operator<<(long i); // NOLINT
+ SimpleStringBuilder& operator<<(long long i); // NOLINT
+ SimpleStringBuilder& operator<<(unsigned long i); // NOLINT
+ SimpleStringBuilder& operator<<(unsigned long long i); // NOLINT
+ SimpleStringBuilder& operator<<(float f);
+ SimpleStringBuilder& operator<<(double f);
+ SimpleStringBuilder& operator<<(long double f);
// Returns a pointer to the built string. The name |str()| is borrowed for
// compatibility reasons as we replace usage of stringstream throughout the
@@ -93,38 +60,11 @@
__attribute__((__format__(__printf__, 2, 3)))
#endif
SimpleStringBuilder&
- AppendFormat(const char* fmt, ...) {
- va_list args;
- va_start(args, fmt);
- const int len =
- std::vsnprintf(&buffer_[size_], buffer_.size() - size_, fmt, args);
- if (len >= 0) {
- const size_t chars_added = rtc::SafeMin(len, buffer_.size() - 1 - size_);
- size_ += chars_added;
- RTC_DCHECK_EQ(len, chars_added) << "Buffer size was insufficient";
- } else {
- // This should never happen, but we're paranoid, so re-write the
- // terminator in case vsnprintf() overwrote it.
- RTC_NOTREACHED();
- buffer_[size_] = '\0';
- }
- va_end(args);
- RTC_DCHECK(IsConsistent());
- return *this;
- }
+ AppendFormat(const char* fmt, ...);
// An alternate way from operator<<() to append a string. This variant is
// slightly more efficient when the length of the string to append, is known.
- SimpleStringBuilder& Append(const char* str, size_t length = SIZE_UNKNOWN) {
- const size_t chars_added =
- rtc::strcpyn(&buffer_[size_], buffer_.size() - size_, str, length);
- size_ += chars_added;
- RTC_DCHECK_EQ(chars_added,
- length == SIZE_UNKNOWN ? std::strlen(str) : length)
- << "Buffer size was insufficient";
- RTC_DCHECK(IsConsistent());
- return *this;
- }
+ SimpleStringBuilder& Append(const char* str, size_t length = SIZE_UNKNOWN);
private:
bool IsConsistent() const {