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Diffstat (limited to 'src/google/protobuf/stubs/stringprintf.h')
| -rw-r--r-- | src/google/protobuf/stubs/stringprintf.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/google/protobuf/stubs/stringprintf.h b/src/google/protobuf/stubs/stringprintf.h new file mode 100644 index 0000000..ab1ab55 --- /dev/null +++ b/src/google/protobuf/stubs/stringprintf.h @@ -0,0 +1,76 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2012 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// from google3/base/stringprintf.h +// +// Printf variants that place their output in a C++ string. +// +// Usage: +// string result = StringPrintf("%d %s\n", 10, "hello"); +// SStringPrintf(&result, "%d %s\n", 10, "hello"); +// StringAppendF(&result, "%d %s\n", 20, "there"); + +#ifndef GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H +#define GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H + +#include <stdarg.h> +#include <string> +#include <vector> + +#include <google/protobuf/stubs/common.h> + +namespace google { +namespace protobuf { + +// Return a C++ string +LIBPROTOBUF_EXPORT extern string StringPrintf(const char* format, ...); + +// Store result into a supplied string and return it +LIBPROTOBUF_EXPORT extern const string& SStringPrintf(string* dst, const char* format, ...); + +// Append result to a supplied string +LIBPROTOBUF_EXPORT extern void StringAppendF(string* dst, const char* format, ...); + +// Lower-level routine that takes a va_list and appends to a specified +// string. All other routines are just convenience wrappers around it. +LIBPROTOBUF_EXPORT extern void StringAppendV(string* dst, const char* format, va_list ap); + +// The max arguments supported by StringPrintfVector +LIBPROTOBUF_EXPORT extern const int kStringPrintfVectorMaxArgs; + +// You can use this version when all your arguments are strings, but +// you don't know how many arguments you'll have at compile time. +// StringPrintfVector will LOG(FATAL) if v.size() > kStringPrintfVectorMaxArgs +LIBPROTOBUF_EXPORT extern string StringPrintfVector(const char* format, const vector<string>& v); + +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H |