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stringprintf.h
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30 
31 // from google3/base/stringprintf.h
32 //
33 // Printf variants that place their output in a C++ string.
34 //
35 // Usage:
36 // string result = StringPrintf("%d %s\n", 10, "hello");
37 // SStringPrintf(&result, "%d %s\n", 10, "hello");
38 // StringAppendF(&result, "%d %s\n", 20, "there");
39 
40 #ifndef GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
41 #define GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
42 
43 #include <stdarg.h>
44 #include <string>
45 #include <vector>
46 
48 
49 namespace google {
50 namespace protobuf {
51 
52 // Return a C++ string
53 LIBPROTOBUF_EXPORT extern string StringPrintf(const char* format, ...);
54 
55 // Store result into a supplied string and return it
56 LIBPROTOBUF_EXPORT extern const string& SStringPrintf(string* dst, const char* format, ...);
57 
58 // Append result to a supplied string
59 LIBPROTOBUF_EXPORT extern void StringAppendF(string* dst, const char* format, ...);
60 
61 // Lower-level routine that takes a va_list and appends to a specified
62 // string. All other routines are just convenience wrappers around it.
63 LIBPROTOBUF_EXPORT extern void StringAppendV(string* dst, const char* format, va_list ap);
64 
65 // The max arguments supported by StringPrintfVector
67 
68 // You can use this version when all your arguments are strings, but
69 // you don't know how many arguments you'll have at compile time.
70 // StringPrintfVector will LOG(FATAL) if v.size() > kStringPrintfVectorMaxArgs
71 LIBPROTOBUF_EXPORT extern string StringPrintfVector(const char* format, const vector<string>& v);
72 
73 } // namespace protobuf
74 } // namespace google
75 
76 #endif // GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
void format(BasicFormatter< Char > &f, const Char *&format_str, const T &value)
Definition: format.h:2963
LIBPROTOBUF_EXPORT string StringPrintfVector(const char *format, const vector< string > &v)
LIBPROTOBUF_EXPORT void StringAppendF(string *dst, const char *format,...)
LIBPROTOBUF_EXPORT string StringPrintf(const char *format,...)
LIBPROTOBUF_EXPORT const string & SStringPrintf(string *dst, const char *format,...)
#define LIBPROTOBUF_EXPORT
Definition: common.h:105
LIBPROTOBUF_EXPORT const int kStringPrintfVectorMaxArgs
Definition: BnetFileGenerator.h:47
LIBPROTOBUF_EXPORT void StringAppendV(string *dst, const char *format, va_list ap)