| // 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 |
