зеркало из https://github.com/mozilla/gecko-dev.git
43 строки
1.2 KiB
C++
43 строки
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsPrintfCString_h___
|
|
#define nsPrintfCString_h___
|
|
|
|
#include "nsString.h"
|
|
|
|
/**
|
|
* nsPrintfCString lets you create a nsCString using a printf-style format
|
|
* string. For example:
|
|
*
|
|
* NS_WARNING(nsPrintfCString("Unexpected value: %f", 13.917).get());
|
|
*
|
|
* nsPrintfCString has a small built-in auto-buffer. For larger strings, it
|
|
* will allocate on the heap.
|
|
*
|
|
* See also nsCString::AppendPrintf().
|
|
*/
|
|
class nsPrintfCString : public nsFixedCString
|
|
{
|
|
typedef nsCString string_type;
|
|
|
|
public:
|
|
explicit nsPrintfCString(const char_type* aFormat, ...)
|
|
: nsFixedCString(mLocalBuffer, kLocalBufferSize, 0)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, aFormat);
|
|
AppendPrintf(aFormat, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
private:
|
|
static const uint32_t kLocalBufferSize = 16;
|
|
char_type mLocalBuffer[kLocalBufferSize];
|
|
};
|
|
|
|
#endif // !defined(nsPrintfCString_h___)
|