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63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_STRINGS_STRINGPRINTF_H_
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#define BASE_STRINGS_STRINGPRINTF_H_
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#include <stdarg.h> // va_list
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#include <string>
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#include "base/base_export.h"
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#include "base/compiler_specific.h"
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namespace base {
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// Return a C++ string given printf-like input.
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BASE_EXPORT std::string StringPrintf(const char* format, ...)
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PRINTF_FORMAT(1, 2);
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// OS_ANDROID's libc does not support wchar_t, so several overloads are omitted.
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#if !defined(OS_ANDROID)
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BASE_EXPORT std::wstring StringPrintf(const wchar_t* format, ...)
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WPRINTF_FORMAT(1, 2);
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#endif
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// Return a C++ string given vprintf-like input.
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BASE_EXPORT std::string StringPrintV(const char* format, va_list ap)
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PRINTF_FORMAT(1, 0);
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// Store result into a supplied string and return it.
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BASE_EXPORT const std::string& SStringPrintf(std::string* dst,
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const char* format, ...)
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PRINTF_FORMAT(2, 3);
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#if !defined(OS_ANDROID)
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BASE_EXPORT const std::wstring& SStringPrintf(std::wstring* dst,
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const wchar_t* format, ...)
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WPRINTF_FORMAT(2, 3);
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#endif
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// Append result to a supplied string.
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BASE_EXPORT void StringAppendF(std::string* dst, const char* format, ...)
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PRINTF_FORMAT(2, 3);
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#if !defined(OS_ANDROID)
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// TODO(evanm): this is only used in a few places in the code;
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// replace with string16 version.
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BASE_EXPORT void StringAppendF(std::wstring* dst, const wchar_t* format, ...)
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WPRINTF_FORMAT(2, 3);
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#endif
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// Lower-level routine that takes a va_list and appends to a specified
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// string. All other routines are just convenience wrappers around it.
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BASE_EXPORT void StringAppendV(std::string* dst, const char* format, va_list ap)
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PRINTF_FORMAT(2, 0);
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#if !defined(OS_ANDROID)
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BASE_EXPORT void StringAppendV(std::wstring* dst,
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const wchar_t* format, va_list ap)
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WPRINTF_FORMAT(2, 0);
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#endif
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} // namespace base
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#endif // BASE_STRINGS_STRINGPRINTF_H_
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