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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/*
* This code was copied from xpcom/ds/nsTextFormatter r1.3
* Memory model and Frozen linkage changes only.
* -- Prasad <prasad@medhas.org>
*/
#ifndef nsTextFormatter_h___
#define nsTextFormatter_h___
/*
** API for PR printf like routines. Supports the following formats
** %d - decimal
** %u - unsigned decimal
** %x - unsigned hex
** %X - unsigned uppercase hex
** %o - unsigned octal
** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above
** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above
** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above
** %s - utf8 string
** %S - char16_t string
** %c - character
** %p - pointer (deals with machine dependent pointer size)
** %f - float
** %g - float
*/
#include "prio.h"
#include <stdio.h>
#include <stdarg.h>
#include "nscore.h"
#include "nsStringGlue.h"
#ifdef XPCOM_GLUE
#error "nsTextFormatter is not available in the standalone glue due to NSPR dependencies."
#endif
class nsTextFormatter
{
public:
/*
* sprintf into a fixed size buffer. Guarantees that the buffer is null
* terminated. Returns the length of the written output, NOT including the
* null terminator, or (uint32_t)-1 if an error occurs.
*/
static uint32_t snprintf(char16_t* aOut, uint32_t aOutLen,
const char16_t* aFmt, ...);
/*
* sprintf into a moz_xmalloc'd buffer. Return a pointer to
* buffer on success, nullptr on failure.
*/
static char16_t* smprintf(const char16_t* aFmt, ...);
static uint32_t ssprintf(nsAString& aOut, const char16_t* aFmt, ...);
/*
* va_list forms of the above.
*/
static uint32_t vsnprintf(char16_t* aOut, uint32_t aOutLen, const char16_t* aFmt,
va_list aAp);
static char16_t* vsmprintf(const char16_t* aFmt, va_list aAp);
static uint32_t vssprintf(nsAString& aOut, const char16_t* aFmt, va_list aAp);
/*
* Free the memory allocated, for the caller, by smprintf.
* -- Deprecated --
* Callers can substitute calling smprintf_free with free
*/
static void smprintf_free(char16_t* aMem);
};
#endif /* nsTextFormatter_h___ */
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