forked from osmocom/wireshark
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/* unicode-utils.h
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* Unicode utility definitions
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2006 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __UNICODEUTIL_H__
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#define __UNICODEUTIL_H__
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#include "ws_symbol_export.h"
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#include <glib.h>
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/**
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* @file
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* Unicode convenience routines.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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WS_DLL_PUBLIC
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int ws_utf8_char_len(guint8 ch);
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#ifdef _WIN32
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#include <windows.h>
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#include <tchar.h>
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#include <wchar.h>
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/** Given a UTF-8 string, convert it to UTF-16. This is meant to be used
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* to convert between GTK+ 2.x (UTF-8) to Windows (UTF-16).
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*
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* @param utf8str The string to convert. May be NULL.
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* @return The string converted to UTF-16. If utf8str is NULL, returns
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* NULL. The return value should NOT be freed by the caller.
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*/
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WS_DLL_PUBLIC
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const wchar_t * utf_8to16(const char *utf8str);
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/** Create a UTF-16 string (in place) according to the format string.
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*
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* @param utf16buf The buffer to return the UTF-16 string in.
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* @param utf16buf_len The size of the 'utf16buf' parameter
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* @param fmt A standard g_printf() format string
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*/
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WS_DLL_PUBLIC
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void utf_8to16_snprintf(TCHAR *utf16buf, gint utf16buf_len, const gchar* fmt,
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...) G_GNUC_PRINTF(3, 4);
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/** Given a UTF-16 string, convert it to UTF-8. This is meant to be used
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* to convert between GTK+ 2.x (UTF-8) to Windows (UTF-16).
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*
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* @param utf16str The string to convert. May be NULL.
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* @return The string converted to UTF-8. If utf16str is NULL, returns
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* NULL. The return value should NOT be freed by the caller.
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*/
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WS_DLL_PUBLIC
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gchar * utf_16to8(const wchar_t *utf16str);
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/** Convert the supplied program argument list from UTF-16 to UTF-8
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* return a pointer to the array of UTF-8 arguments. This is intended
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* to be used to normalize command line arguments at program startup.
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*
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* @param argc The number of arguments.
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* @param argv The argument values (vector).
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*/
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WS_DLL_PUBLIC
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char ** arg_list_utf_16to8(int argc, wchar_t *wc_argv[]);
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#endif /* _WIN32 */
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/*
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* defines for helping with UTF-16 surrogate pairs
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*/
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#define IS_LEAD_SURROGATE(uchar2) \
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((uchar2) >= 0xd800 && (uchar2) < 0xdc00)
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#define IS_TRAIL_SURROGATE(uchar2) \
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((uchar2) >= 0xdc00 && (uchar2) < 0xe000)
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#define SURROGATE_VALUE(lead, trail) \
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(((((lead) - 0xd800) << 10) | ((trail) - 0xdc00)) + 0x10000)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __UNICODEUTIL_H__ */
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