1 #include "fcp/base/string_stream.h"
2
3 #include <stdio.h>
4
5 #include <string>
6
7 namespace fcp {
8 namespace internal {
9
operator <<(bool x)10 StringStream& StringStream::operator<<(bool x) {
11 return *this << (x ? "true" : "false");
12 }
13
14 template <typename T>
AppendWithFormat(StringStream & string_buffer,const char * format,T value)15 StringStream& AppendWithFormat(StringStream& string_buffer, const char* format,
16 T value) {
17 char buf[64];
18 // The buffer is large enough for any possible value.
19 sprintf(buf, format, value); // NOLINT
20 return string_buffer << buf;
21 }
22
operator <<(int32_t x)23 StringStream& StringStream::operator<<(int32_t x) {
24 return AppendWithFormat(*this, "%d", x);
25 }
26
operator <<(uint32_t x)27 StringStream& StringStream::operator<<(uint32_t x) {
28 return AppendWithFormat(*this, "%u", x);
29 }
30
operator <<(int64_t x)31 StringStream& StringStream::operator<<(int64_t x) {
32 return AppendWithFormat(*this, "%ld", x);
33 }
34
operator <<(uint64_t x)35 StringStream& StringStream::operator<<(uint64_t x) {
36 return AppendWithFormat(*this, "%lu", x);
37 }
38
operator <<(double x)39 StringStream& StringStream::operator<<(double x) {
40 return AppendWithFormat(*this, "%f", x);
41 }
42
operator <<(const char * x)43 StringStream& StringStream::operator<<(const char* x) {
44 str_.append(x);
45 return *this;
46 }
47
operator <<(const std::string & x)48 StringStream& StringStream::operator<<(const std::string& x) {
49 str_.append(x);
50 return *this;
51 }
52
53 } // namespace internal
54 } // namespace fcp
55