The Tor Browser / file comparison
comparison: xpcom/glue/nsTextFormatter.h
xpcom/glue/nsTextFormatter.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:e26bd861c108 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * This code was copied from xpcom/ds/nsTextFormatter r1.3 | |
| 8 * Memory model and Frozen linkage changes only. | |
| 9 * -- Prasad <prasad@medhas.org> | |
| 10 */ | |
| 11 | |
| 12 #ifndef nsTextFormatter_h___ | |
| 13 #define nsTextFormatter_h___ | |
| 14 | |
| 15 /* | |
| 16 ** API for PR printf like routines. Supports the following formats | |
| 17 ** %d - decimal | |
| 18 ** %u - unsigned decimal | |
| 19 ** %x - unsigned hex | |
| 20 ** %X - unsigned uppercase hex | |
| 21 ** %o - unsigned octal | |
| 22 ** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above | |
| 23 ** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above | |
| 24 ** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above | |
| 25 ** %s - utf8 string | |
| 26 ** %S - char16_t string | |
| 27 ** %c - character | |
| 28 ** %p - pointer (deals with machine dependent pointer size) | |
| 29 ** %f - float | |
| 30 ** %g - float | |
| 31 */ | |
| 32 #include "prio.h" | |
| 33 #include <stdio.h> | |
| 34 #include <stdarg.h> | |
| 35 #include "nscore.h" | |
| 36 #include "nsStringGlue.h" | |
| 37 | |
| 38 #ifdef XPCOM_GLUE | |
| 39 #error "nsTextFormatter is not available in the standalone glue due to NSPR dependencies." | |
| 40 #endif | |
| 41 | |
| 42 class NS_COM_GLUE nsTextFormatter { | |
| 43 | |
| 44 public: | |
| 45 | |
| 46 /* | |
| 47 * sprintf into a fixed size buffer. Guarantees that the buffer is null | |
| 48 * terminated. Returns the length of the written output, NOT including the | |
| 49 * null terminator, or (uint32_t)-1 if an error occurs. | |
| 50 */ | |
| 51 static uint32_t snprintf(char16_t *out, uint32_t outlen, const char16_t *fmt, ...); | |
| 52 | |
| 53 /* | |
| 54 * sprintf into a nsMemory::Alloc'd buffer. Return a pointer to | |
| 55 * buffer on success, nullptr on failure. | |
| 56 */ | |
| 57 static char16_t* smprintf(const char16_t *fmt, ...); | |
| 58 | |
| 59 static uint32_t ssprintf(nsAString& out, const char16_t* fmt, ...); | |
| 60 | |
| 61 /* | |
| 62 * va_list forms of the above. | |
| 63 */ | |
| 64 static uint32_t vsnprintf(char16_t *out, uint32_t outlen, const char16_t *fmt, va_list ap); | |
| 65 static char16_t* vsmprintf(const char16_t *fmt, va_list ap); | |
| 66 static uint32_t vssprintf(nsAString& out, const char16_t *fmt, va_list ap); | |
| 67 | |
| 68 /* | |
| 69 * Free the memory allocated, for the caller, by smprintf. | |
| 70 * -- Deprecated -- | |
| 71 * Callers can substitute calling smprintf_free with nsMemory::Free | |
| 72 */ | |
| 73 static void smprintf_free(char16_t *mem); | |
| 74 | |
| 75 }; | |
| 76 | |
| 77 #endif /* nsTextFormatter_h___ */ |
