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/*
* Locale functions
*
* Copyright 2004, 2019 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "ntdll_misc.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(nls);
/* NLS codepage file format:
*
* header:
* WORD offset to cp2uni table in words
* WORD CodePage
* WORD MaximumCharacterSize
* BYTE[2] DefaultChar
* WORD UniDefaultChar
* WORD TransDefaultChar
* WORD TransUniDefaultChar
* BYTE[12] LeadByte
* cp2uni table:
* WORD offset to uni2cp table in words
* WORD[256] cp2uni table
* WORD glyph table size
* WORD[glyph_table_size] glyph table
* WORD number of lead byte ranges
* WORD[256] lead byte offsets in words
* WORD[leadbytes][256] cp2uni table for lead bytes
* uni2cp table:
* WORD 0 / 4
* BYTE[65536] / WORD[65536] uni2cp table
*/
enum nls_section_type
{
NLS_SECTION_SORTKEYS = 9,
NLS_SECTION_CASEMAP = 10,
NLS_SECTION_CODEPAGE = 11,
NLS_SECTION_NORMALIZE = 12
};
UINT NlsAnsiCodePage = 0;
BYTE NlsMbCodePageTag = 0;
BYTE NlsMbOemCodePageTag = 0;
/* NLS normalization file */
struct norm_table
{
WCHAR name[13]; /* 00 file name */
USHORT checksum[3]; /* 1a checksum? */
USHORT version[4]; /* 20 Unicode version */
USHORT form; /* 28 normalization form */
USHORT len_factor; /* 2a factor for length estimates */
USHORT unknown1; /* 2c */
USHORT decomp_size; /* 2e decomposition hash size */
USHORT comp_size; /* 30 composition hash size */
USHORT unknown2; /* 32 */
USHORT classes; /* 34 combining classes table offset */
USHORT props_level1; /* 36 char properties table level 1 offset */
USHORT props_level2; /* 38 char properties table level 2 offset */
USHORT decomp_hash; /* 3a decomposition hash table offset */
USHORT decomp_map; /* 3c decomposition character map table offset */
USHORT decomp_seq; /* 3e decomposition character sequences offset */
USHORT comp_hash; /* 40 composition hash table offset */
USHORT comp_seq; /* 42 composition character sequences offset */
/* BYTE[] combining class values */
/* BYTE[0x2200] char properties index level 1 */
/* BYTE[] char properties index level 2 */
/* WORD[] decomposition hash table */
/* WORD[] decomposition character map */
/* WORD[] decomposition character sequences */
/* WORD[] composition hash table */
/* WORD[] composition character sequences */
};
static NLSTABLEINFO nls_info;
static struct norm_table *norm_tables[16];
static NTSTATUS load_string( ULONG id, LANGID lang, WCHAR *buffer, ULONG len )
{
const IMAGE_RESOURCE_DATA_ENTRY *data;
LDR_RESOURCE_INFO info;
NTSTATUS status;
WCHAR *p;
int i;
info.Type = 6; /* RT_STRING */
info.Name = (id >> 4) + 1;
info.Language = lang;
if ((status = LdrFindResource_U( kernel32_handle, &info, 3, &data ))) return status;
p = (WCHAR *)((char *)kernel32_handle + data->OffsetToData);
for (i = 0; i < (id & 0x0f); i++) p += *p + 1;
if (*p >= len) return STATUS_BUFFER_TOO_SMALL;
memcpy( buffer, p + 1, *p * sizeof(WCHAR) );
buffer[*p] = 0;
return STATUS_SUCCESS;
}
static DWORD mbtowc_size( const CPTABLEINFO *info, LPCSTR str, UINT len )
{
DWORD res;
if (!info->DBCSCodePage) return len;
for (res = 0; len; len--, str++, res++)
{
if (info->DBCSOffsets[(unsigned char)*str] && len > 1)
{
str++;
len--;
}
}
return res;
}
static DWORD wctomb_size( const CPTABLEINFO *info, LPCWSTR str, UINT len )
{
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
DWORD res;
for (res = 0; len; len--, str++, res++)
if (uni2cp[*str] & 0xff00) res++;
return res;
}
else return len;
}
static WCHAR casemap( USHORT *table, WCHAR ch )
{
return ch + table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0x0f)];
}
static WCHAR casemap_ascii( WCHAR ch )
{
if (ch >= 'a' && ch <= 'z') ch -= 'a' - 'A';
return ch;
}
static int get_utf16( const WCHAR *src, unsigned int srclen, unsigned int *ch )
{
if (IS_HIGH_SURROGATE( src[0] ))
{
if (srclen <= 1) return 0;
if (!IS_LOW_SURROGATE( src[1] )) return 0;
*ch = 0x10000 + ((src[0] & 0x3ff) << 10) + (src[1] & 0x3ff);
return 2;
}
if (IS_LOW_SURROGATE( src[0] )) return 0;
*ch = src[0];
return 1;
}
static void put_utf16( WCHAR *dst, unsigned int ch )
{
if (ch >= 0x10000)
{
ch -= 0x10000;
dst[0] = 0xd800 | (ch >> 10);
dst[1] = 0xdc00 | (ch & 0x3ff);
}
else dst[0] = ch;
}
static NTSTATUS load_norm_table( ULONG form, const struct norm_table **info )
{
unsigned int i;
USHORT *data, *tables;
SIZE_T size;
NTSTATUS status;
if (!form) return STATUS_INVALID_PARAMETER;
if (form >= ARRAY_SIZE(norm_tables)) return STATUS_OBJECT_NAME_NOT_FOUND;
if (!norm_tables[form])
{
if ((status = NtGetNlsSectionPtr( NLS_SECTION_NORMALIZE, form, NULL, (void **)&data, &size )))
return status;
/* sanity checks */
if (size <= 0x44) goto invalid;
if (data[0x14] != form) goto invalid;
tables = data + 0x1a;
for (i = 0; i < 8; i++)
{
if (tables[i] > size / sizeof(USHORT)) goto invalid;
if (i && tables[i] < tables[i-1]) goto invalid;
}
if (InterlockedCompareExchangePointer( (void **)&norm_tables[form], data, NULL ))
NtUnmapViewOfSection( GetCurrentProcess(), data );
}
*info = norm_tables[form];
return STATUS_SUCCESS;
invalid:
NtUnmapViewOfSection( GetCurrentProcess(), data );
return STATUS_INVALID_PARAMETER;
}
static BYTE rol( BYTE val, BYTE count )
{
return (val << count) | (val >> (8 - count));
}
static BYTE get_char_props( const struct norm_table *info, unsigned int ch )
{
const BYTE *level1 = (const BYTE *)((const USHORT *)info + info->props_level1);
const BYTE *level2 = (const BYTE *)((const USHORT *)info + info->props_level2);
BYTE off = level1[ch / 128];
if (!off || off >= 0xfb) return rol( off, 5 );
return level2[(off - 1) * 128 + ch % 128];
}
#define HANGUL_SBASE 0xac00
#define HANGUL_LBASE 0x1100
#define HANGUL_VBASE 0x1161
#define HANGUL_TBASE 0x11a7
#define HANGUL_LCOUNT 19
#define HANGUL_VCOUNT 21
#define HANGUL_TCOUNT 28
#define HANGUL_NCOUNT (HANGUL_VCOUNT * HANGUL_TCOUNT)
#define HANGUL_SCOUNT (HANGUL_LCOUNT * HANGUL_NCOUNT)
static const WCHAR *get_decomposition( const struct norm_table *info, unsigned int ch,
BYTE props, WCHAR *buffer, unsigned int *ret_len )
{
const struct pair { WCHAR src; USHORT dst; } *pairs;
const USHORT *hash_table = (const USHORT *)info + info->decomp_hash;
const WCHAR *ret;
unsigned int i, pos, end, len, hash;
/* default to no decomposition */
put_utf16( buffer, ch );
*ret_len = 1 + (ch >= 0x10000);
if (!props || props == 0x7f) return buffer;
if (props == 0xff) /* Hangul or invalid char */
{
if (ch >= HANGUL_SBASE && ch < HANGUL_SBASE + HANGUL_SCOUNT)
{
unsigned short sindex = ch - HANGUL_SBASE;
unsigned short tindex = sindex % HANGUL_TCOUNT;
buffer[0] = HANGUL_LBASE + sindex / HANGUL_NCOUNT;
buffer[1] = HANGUL_VBASE + (sindex % HANGUL_NCOUNT) / HANGUL_TCOUNT;
if (tindex) buffer[2] = HANGUL_TBASE + tindex;
*ret_len = 2 + !!tindex;
return buffer;
}
/* ignore other chars in Hangul range */
if (ch >= HANGUL_LBASE && ch < HANGUL_LBASE + 0x100) return buffer;
if (ch >= HANGUL_SBASE && ch < HANGUL_SBASE + 0x2c00) return buffer;
return NULL;
}
hash = ch % info->decomp_size;
pos = hash_table[hash];
if (pos >> 13)
{
if (props != 0xbf) return buffer;
ret = (const USHORT *)info + info->decomp_seq + (pos & 0x1fff);
len = pos >> 13;
}
else
{
pairs = (const struct pair *)((const USHORT *)info + info->decomp_map);
/* find the end of the hash bucket */
for (i = hash + 1; i < info->decomp_size; i++) if (!(hash_table[i] >> 13)) break;
if (i < info->decomp_size) end = hash_table[i];
else for (end = pos; pairs[end].src; end++) ;
for ( ; pos < end; pos++)
{
if (pairs[pos].src != (WCHAR)ch) continue;
ret = (const USHORT *)info + info->decomp_seq + (pairs[pos].dst & 0x1fff);
len = pairs[pos].dst >> 13;
break;
}
if (pos >= end) return buffer;
}
if (len == 7) while (ret[len]) len++;
if (!ret[0]) len = 0; /* ignored char */
*ret_len = len;
return ret;
}
static BYTE get_combining_class( const struct norm_table *info, unsigned int c )
{
const BYTE *classes = (const BYTE *)((const USHORT *)info + info->classes);
BYTE class = get_char_props( info, c ) & 0x3f;
if (class == 0x3f) return 0;
return classes[class];
}
static BOOL is_starter( const struct norm_table *info, unsigned int c )
{
return !get_combining_class( info, c );
}
static BOOL reorderable_pair( const struct norm_table *info, unsigned int c1, unsigned int c2 )
{
BYTE ccc1, ccc2;
/* reorderable if ccc1 > ccc2 > 0 */
ccc1 = get_combining_class( info, c1 );
if (ccc1 < 2) return FALSE;
ccc2 = get_combining_class( info, c2 );
return ccc2 && (ccc1 > ccc2);
}
static void canonical_order_substring( const struct norm_table *info, WCHAR *str, unsigned int len )
{
unsigned int i, ch1, ch2, len1, len2;
BOOL swapped;
do
{
swapped = FALSE;
for (i = 0; i < len - 1; i += len1)
{
if (!(len1 = get_utf16( str + i, len - i, &ch1 ))) break;
if (i + len1 >= len) break;
if (!(len2 = get_utf16( str + i + len1, len - i - len1, &ch2 ))) break;
if (reorderable_pair( info, ch1, ch2 ))
{
WCHAR tmp[2];
memcpy( tmp, str + i, len1 * sizeof(WCHAR) );
memcpy( str + i, str + i + len1, len2 * sizeof(WCHAR) );
memcpy( str + i + len2, tmp, len1 * sizeof(WCHAR) );
swapped = TRUE;
i += len2 - len1;
}
}
} while (swapped);
}
/****************************************************************************
* canonical_order_string
*
* Reorder the string into canonical order - D108/D109.
*
* Starters (chars with combining class == 0) don't move, so look for continuous
* substrings of non-starters and only reorder those.
*/
static void canonical_order_string( const struct norm_table *info, WCHAR *str, unsigned int len )
{
unsigned int ch, i, r, next = 0;
for (i = 0; i < len; i += r)
{
if (!(r = get_utf16( str + i, len - i, &ch ))) return;
if (i && is_starter( info, ch ))
{
if (i > next + 1) /* at least two successive non-starters */
canonical_order_substring( info, str + next, i - next );
next = i + r;
}
}
if (i > next + 1) canonical_order_substring( info, str + next, i - next );
}
static NTSTATUS decompose_string( const struct norm_table *info, const WCHAR *src, int src_len,
WCHAR *dst, int *dst_len )
{
BYTE props;
int src_pos, dst_pos;
unsigned int ch, len, decomp_len;
WCHAR buffer[3];
const WCHAR *decomp;
for (src_pos = dst_pos = 0; src_pos < src_len; src_pos += len)
{
if (!(len = get_utf16( src + src_pos, src_len - src_pos, &ch )))
{
*dst_len = src_pos + IS_HIGH_SURROGATE( src[src_pos] );
return STATUS_NO_UNICODE_TRANSLATION;
}
props = get_char_props( info, ch );
if (!(decomp = get_decomposition( info, ch, props, buffer, &decomp_len )))
{
/* allow final null */
if (!ch && src_pos == src_len - 1 && dst_pos < *dst_len)
{
dst[dst_pos++] = 0;
break;
}
*dst_len = src_pos;
return STATUS_NO_UNICODE_TRANSLATION;
}
if (dst_pos + decomp_len > *dst_len)
{
*dst_len += (src_len - src_pos) * info->len_factor;
return STATUS_BUFFER_TOO_SMALL;
}
memcpy( dst + dst_pos, decomp, decomp_len * sizeof(WCHAR) );
dst_pos += decomp_len;
}
canonical_order_string( info, dst, dst_pos );
*dst_len = dst_pos;
return STATUS_SUCCESS;
}
static unsigned int compose_hangul( unsigned int ch1, unsigned int ch2 )
{
if (ch1 >= HANGUL_LBASE && ch1 < HANGUL_LBASE + HANGUL_LCOUNT)
{
int lindex = ch1 - HANGUL_LBASE;
int vindex = ch2 - HANGUL_VBASE;
if (vindex >= 0 && vindex < HANGUL_VCOUNT)
return HANGUL_SBASE + (lindex * HANGUL_VCOUNT + vindex) * HANGUL_TCOUNT;
}
if (ch1 >= HANGUL_SBASE && ch1 < HANGUL_SBASE + HANGUL_SCOUNT)
{
int sindex = ch1 - HANGUL_SBASE;
if (!(sindex % HANGUL_TCOUNT))
{
int tindex = ch2 - HANGUL_TBASE;
if (tindex > 0 && tindex < HANGUL_TCOUNT) return ch1 + tindex;
}
}
return 0;
}
static unsigned int compose_chars( const struct norm_table *info, unsigned int ch1, unsigned int ch2 )
{
const USHORT *table = (const USHORT *)info + info->comp_hash;
const WCHAR *chars = (const USHORT *)info + info->comp_seq;
unsigned int hash, start, end, i, len, ch[3];
hash = (ch1 + 95 * ch2) % info->comp_size;
start = table[hash];
end = table[hash + 1];
while (start < end)
{
for (i = 0; i < 3; i++, start += len) len = get_utf16( chars + start, end - start, ch + i );
if (ch[0] == ch1 && ch[1] == ch2) return ch[2];
}
return 0;
}
static unsigned int compose_string( const struct norm_table *info, WCHAR *str, unsigned int srclen )
{
unsigned int i, ch, comp, len, start_ch = 0, last_starter = srclen;
BYTE class, prev_class = 0;
for (i = 0; i < srclen; i += len)
{
if (!(len = get_utf16( str + i, srclen - i, &ch ))) return 0;
class = get_combining_class( info, ch );
if (last_starter == srclen || (prev_class && prev_class >= class) ||
(!(comp = compose_hangul( start_ch, ch )) &&
!(comp = compose_chars( info, start_ch, ch ))))
{
if (!class)
{
last_starter = i;
start_ch = ch;
}
prev_class = class;
}
else
{
int comp_len = 1 + (comp >= 0x10000);
int start_len = 1 + (start_ch >= 0x10000);
if (comp_len != start_len)
memmove( str + last_starter + comp_len, str + last_starter + start_len,
(i - (last_starter + start_len)) * sizeof(WCHAR) );
memmove( str + i + comp_len - start_len, str + i + len, (srclen - i - len) * sizeof(WCHAR) );
srclen += comp_len - start_len - len;
start_ch = comp;
i = last_starter;
len = comp_len;
prev_class = 0;
put_utf16( str + i, comp );
}
}
return srclen;
}
static NTSTATUS get_dummy_preferred_ui_language( DWORD flags, LANGID lang, ULONG *count,
WCHAR *buffer, ULONG *size )
{
WCHAR name[LOCALE_NAME_MAX_LENGTH + 2];
NTSTATUS status;
ULONG len;
FIXME("(0x%x %p %p %p) returning a dummy value (current locale)\n", flags, count, buffer, size);
status = load_string( (flags & MUI_LANGUAGE_ID) ? LOCALE_ILANGUAGE : LOCALE_SNAME,
lang, name, ARRAY_SIZE(name) );
if (status) return status;
len = wcslen( name ) + 2;
name[len - 1] = 0;
if (buffer)
{
if (len > *size)
{
*size = len;
return STATUS_BUFFER_TOO_SMALL;
}
memcpy( buffer, name, len * sizeof(WCHAR) );
}
*size = len;
*count = 1;
TRACE("returned variable content: %d, \"%s\", %d\n", *count, debugstr_w(buffer), *size);
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlGetProcessPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetProcessPreferredUILanguages( DWORD flags, ULONG *count, WCHAR *buffer, ULONG *size )
{
LANGID ui_language;
FIXME( "%08x, %p, %p %p\n", flags, count, buffer, size );
NtQueryDefaultUILanguage( &ui_language );
return get_dummy_preferred_ui_language( flags, ui_language, count, buffer, size );
}
/**************************************************************************
* RtlGetSystemPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetSystemPreferredUILanguages( DWORD flags, ULONG unknown, ULONG *count,
WCHAR *buffer, ULONG *size )
{
LANGID ui_language;
if (flags & ~(MUI_LANGUAGE_NAME | MUI_LANGUAGE_ID | MUI_MACHINE_LANGUAGE_SETTINGS)) return STATUS_INVALID_PARAMETER;
if ((flags & MUI_LANGUAGE_NAME) && (flags & MUI_LANGUAGE_ID)) return STATUS_INVALID_PARAMETER;
if (*size && !buffer) return STATUS_INVALID_PARAMETER;
NtQueryInstallUILanguage( &ui_language );
return get_dummy_preferred_ui_language( flags, ui_language, count, buffer, size );
}
/**************************************************************************
* RtlGetThreadPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetThreadPreferredUILanguages( DWORD flags, ULONG *count, WCHAR *buffer, ULONG *size )
{
LANGID ui_language;
FIXME( "%08x, %p, %p %p\n", flags, count, buffer, size );
NtQueryDefaultUILanguage( &ui_language );
return get_dummy_preferred_ui_language( flags, ui_language, count, buffer, size );
}
/**************************************************************************
* RtlGetUserPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetUserPreferredUILanguages( DWORD flags, ULONG unknown, ULONG *count,
WCHAR *buffer, ULONG *size )
{
LANGID ui_language;
if (flags & ~(MUI_LANGUAGE_NAME | MUI_LANGUAGE_ID)) return STATUS_INVALID_PARAMETER;
if ((flags & MUI_LANGUAGE_NAME) && (flags & MUI_LANGUAGE_ID)) return STATUS_INVALID_PARAMETER;
if (*size && !buffer) return STATUS_INVALID_PARAMETER;
NtQueryDefaultUILanguage( &ui_language );
return get_dummy_preferred_ui_language( flags, ui_language, count, buffer, size );
}
/**************************************************************************
* RtlSetProcessPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlSetProcessPreferredUILanguages( DWORD flags, PCZZWSTR buffer, ULONG *count )
{
FIXME( "%u, %p, %p\n", flags, buffer, count );
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlSetThreadPreferredUILanguages (NTDLL.@)
*/
NTSTATUS WINAPI RtlSetThreadPreferredUILanguages( DWORD flags, PCZZWSTR buffer, ULONG *count )
{
FIXME( "%u, %p, %p\n", flags, buffer, count );
return STATUS_SUCCESS;
}
/******************************************************************
* RtlInitCodePageTable (NTDLL.@)
*/
void WINAPI RtlInitCodePageTable( USHORT *ptr, CPTABLEINFO *info )
{
USHORT hdr_size = ptr[0];
info->CodePage = ptr[1];
info->MaximumCharacterSize = ptr[2];
info->DefaultChar = ptr[3];
info->UniDefaultChar = ptr[4];
info->TransDefaultChar = ptr[5];
info->TransUniDefaultChar = ptr[6];
memcpy( info->LeadByte, ptr + 7, sizeof(info->LeadByte) );
ptr += hdr_size;
info->WideCharTable = ptr + ptr[0] + 1;
info->MultiByteTable = ++ptr;
ptr += 256;
if (*ptr++) ptr += 256; /* glyph table */
info->DBCSRanges = ptr;
if (*ptr) /* dbcs ranges */
{
info->DBCSCodePage = 1;
info->DBCSOffsets = ptr + 1;
}
else
{
info->DBCSCodePage = 0;
info->DBCSOffsets = NULL;
}
}
/**************************************************************************
* RtlInitNlsTables (NTDLL.@)
*/
void WINAPI RtlInitNlsTables( USHORT *ansi, USHORT *oem, USHORT *casetable, NLSTABLEINFO *info )
{
RtlInitCodePageTable( ansi, &info->AnsiTableInfo );
RtlInitCodePageTable( oem, &info->OemTableInfo );
info->UpperCaseTable = casetable + 2;
info->LowerCaseTable = casetable + casetable[1] + 2;
}
/**************************************************************************
* RtlResetRtlTranslations (NTDLL.@)
*/
void WINAPI RtlResetRtlTranslations( const NLSTABLEINFO *info )
{
NlsAnsiCodePage = info->AnsiTableInfo.CodePage;
NlsMbCodePageTag = info->AnsiTableInfo.DBCSCodePage;
NlsMbOemCodePageTag = info->OemTableInfo.DBCSCodePage;
nls_info = *info;
}
/**************************************************************************
* RtlAnsiCharToUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlAnsiCharToUnicodeChar( char **ansi )
{
if (nls_info.AnsiTableInfo.DBCSOffsets)
{
USHORT off = nls_info.AnsiTableInfo.DBCSOffsets[(unsigned char)**ansi];
if (off)
{
(*ansi)++;
return nls_info.AnsiTableInfo.DBCSOffsets[off + (unsigned char)*(*ansi)++];
}
}
return nls_info.AnsiTableInfo.MultiByteTable[(unsigned char)*(*ansi)++];
}
/******************************************************************************
* RtlCompareUnicodeStrings (NTDLL.@)
*/
LONG WINAPI RtlCompareUnicodeStrings( const WCHAR *s1, SIZE_T len1, const WCHAR *s2, SIZE_T len2,
BOOLEAN case_insensitive )
{
LONG ret = 0;
SIZE_T len = min( len1, len2 );
if (case_insensitive)
{
if (nls_info.UpperCaseTable)
{
while (!ret && len--) ret = casemap( nls_info.UpperCaseTable, *s1++ ) -
casemap( nls_info.UpperCaseTable, *s2++ );
}
else /* locale not setup yet */
{
while (!ret && len--) ret = casemap_ascii( *s1++ ) - casemap_ascii( *s2++ );
}
}
else
{
while (!ret && len--) ret = *s1++ - *s2++;
}
if (!ret) ret = len1 - len2;
return ret;
}
/**************************************************************************
* RtlPrefixUnicodeString (NTDLL.@)
*/
BOOLEAN WINAPI RtlPrefixUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
BOOLEAN ignore_case )
{
unsigned int i;
if (s1->Length > s2->Length) return FALSE;
if (ignore_case)
{
for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
if (casemap( nls_info.UpperCaseTable, s1->Buffer[i] ) !=
casemap( nls_info.UpperCaseTable, s2->Buffer[i] )) return FALSE;
}
else
{
for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
}
return TRUE;
}
/******************************************************************************
* RtlHashUnicodeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlHashUnicodeString( const UNICODE_STRING *string, BOOLEAN case_insensitive,
ULONG alg, ULONG *hash )
{
unsigned int i;
if (!string || !hash) return STATUS_INVALID_PARAMETER;
switch (alg)
{
case HASH_STRING_ALGORITHM_DEFAULT:
case HASH_STRING_ALGORITHM_X65599:
break;
default:
return STATUS_INVALID_PARAMETER;
}
*hash = 0;
if (!case_insensitive)
for (i = 0; i < string->Length / sizeof(WCHAR); i++)
*hash = *hash * 65599 + string->Buffer[i];
else if (nls_info.UpperCaseTable)
for (i = 0; i < string->Length / sizeof(WCHAR); i++)
*hash = *hash * 65599 + casemap( nls_info.UpperCaseTable, string->Buffer[i] );
else /* locale not setup yet */
for (i = 0; i < string->Length / sizeof(WCHAR); i++)
*hash = *hash * 65599 + casemap_ascii( string->Buffer[i] );
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlCustomCPToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlCustomCPToUnicodeN( CPTABLEINFO *info, WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
DWORD i, ret;
dstlen /= sizeof(WCHAR);
if (info->DBCSOffsets)
{
for (i = dstlen; srclen && i; i--, srclen--, src++, dst++)
{
USHORT off = info->DBCSOffsets[(unsigned char)*src];
if (off && srclen > 1)
{
src++;
srclen--;
*dst = info->DBCSOffsets[off + (unsigned char)*src];
}
else *dst = info->MultiByteTable[(unsigned char)*src];
}
ret = dstlen - i;
}
else
{
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = info->MultiByteTable[(unsigned char)src[i]];
}
if (reslen) *reslen = ret * sizeof(WCHAR);
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToCustomCPN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToCustomCPN( CPTABLEINFO *info, char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
DWORD i, ret;
srclen /= sizeof(WCHAR);
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
for (i = dstlen; srclen && i; i--, srclen--, src++)
{
if (uni2cp[*src] & 0xff00)
{
if (i == 1) break; /* do not output a partial char */
i--;
*dst++ = uni2cp[*src] >> 8;
}
*dst++ = (char)uni2cp[*src];
}
ret = dstlen - i;
}
else
{
char *uni2cp = info->WideCharTable;
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = uni2cp[src[i]];
}
if (reslen) *reslen = ret;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlMultiByteToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlMultiByteToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
if (nls_info.AnsiTableInfo.WideCharTable)
return RtlCustomCPToUnicodeN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen, dstlen / sizeof(WCHAR) );
if (reslen) *reslen = dstlen * sizeof(WCHAR);
while (dstlen--) *dst++ = *src++ & 0x7f;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlMultiByteToUnicodeSize (NTDLL.@)
*/
NTSTATUS WINAPI RtlMultiByteToUnicodeSize( DWORD *size, const char *str, DWORD len )
{
*size = mbtowc_size( &nls_info.AnsiTableInfo, str, len ) * sizeof(WCHAR);
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlOemToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlOemToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
return RtlCustomCPToUnicodeN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlOemStringToUnicodeSize (NTDLL.@)
* RtlxOemStringToUnicodeSize (NTDLL.@)
*/
DWORD WINAPI RtlOemStringToUnicodeSize( const STRING *str )
{
return (mbtowc_size( &nls_info.OemTableInfo, str->Buffer, str->Length ) + 1) * sizeof(WCHAR);
}
/**************************************************************************
* RtlUnicodeStringToOemSize (NTDLL.@)
* RtlxUnicodeStringToOemSize (NTDLL.@)
*/
DWORD WINAPI RtlUnicodeStringToOemSize( const UNICODE_STRING *str )
{
return wctomb_size( &nls_info.OemTableInfo, str->Buffer, str->Length / sizeof(WCHAR) ) + 1;
}
/**************************************************************************
* RtlUnicodeToMultiByteN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToMultiByteN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
if (nls_info.AnsiTableInfo.WideCharTable)
return RtlUnicodeToCustomCPN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen / sizeof(WCHAR), dstlen );
if (reslen) *reslen = dstlen;
while (dstlen--)
{
WCHAR ch = *src++;
if (ch > 0x7f) ch = '?';
*dst++ = ch;
}
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToMultiByteSize (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToMultiByteSize( DWORD *size, const WCHAR *str, DWORD len )
{
*size = wctomb_size( &nls_info.AnsiTableInfo, str, len / sizeof(WCHAR) );
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToOemN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToOemN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
return RtlUnicodeToCustomCPN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlDowncaseUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlDowncaseUnicodeChar( WCHAR wch )
{
if (nls_info.LowerCaseTable) return casemap( nls_info.LowerCaseTable, wch );
if (wch >= 'A' && wch <= 'Z') wch += 'a' - 'A';
return wch;
}
/**************************************************************************
* RtlDowncaseUnicodeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlDowncaseUnicodeString( UNICODE_STRING *dest, const UNICODE_STRING *src,
BOOLEAN alloc )
{
DWORD i, len = src->Length;
if (alloc)
{
dest->MaximumLength = len;
if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return STATUS_NO_MEMORY;
}
else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
for (i = 0; i < len / sizeof(WCHAR); i++)
dest->Buffer[i] = casemap( nls_info.LowerCaseTable, src->Buffer[i] );
dest->Length = len;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlUpcaseUnicodeChar( WCHAR wch )
{
return casemap( nls_info.UpperCaseTable, wch );
}
/**************************************************************************
* RtlUpcaseUnicodeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeString( UNICODE_STRING *dest, const UNICODE_STRING *src,
BOOLEAN alloc )
{
DWORD i, len = src->Length;
if (alloc)
{
dest->MaximumLength = len;
if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return STATUS_NO_MEMORY;
}
else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
for (i = 0; i < len / sizeof(WCHAR); i++)
dest->Buffer[i] = casemap( nls_info.UpperCaseTable, src->Buffer[i] );
dest->Length = len;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeToCustomCPN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToCustomCPN( CPTABLEINFO *info, char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
DWORD i, ret;
srclen /= sizeof(WCHAR);
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
for (i = dstlen; srclen && i; i--, srclen--, src++)
{
WCHAR ch = casemap( nls_info.UpperCaseTable, *src );
if (uni2cp[ch] & 0xff00)
{
if (i == 1) break; /* do not output a partial char */
i--;
*dst++ = uni2cp[ch] >> 8;
}
*dst++ = (char)uni2cp[ch];
}
ret = dstlen - i;
}
else
{
char *uni2cp = info->WideCharTable;
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = uni2cp[casemap( nls_info.UpperCaseTable, src[i] )];
}
if (reslen) *reslen = ret;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeToMultiByteN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToMultiByteN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
return RtlUpcaseUnicodeToCustomCPN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlUpcaseUnicodeToOemN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToOemN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
if (nls_info.OemTableInfo.WideCharTable)
return RtlUpcaseUnicodeToCustomCPN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen / sizeof(WCHAR), dstlen );
if (reslen) *reslen = dstlen;
while (dstlen--)
{
WCHAR ch = *src++;
if (ch > 0x7f) ch = '?';
else ch = casemap_ascii( ch );
*dst++ = ch;
}
return STATUS_SUCCESS;
}
/*********************************************************************
* towlower (NTDLL.@)
*/
WCHAR __cdecl towlower( WCHAR ch )
{
if (ch >= 0x100) return ch;
return casemap( nls_info.LowerCaseTable, ch );
}
/*********************************************************************
* towupper (NTDLL.@)
*/
WCHAR __cdecl towupper( WCHAR ch )
{
if (nls_info.UpperCaseTable) return casemap( nls_info.UpperCaseTable, ch );
return casemap_ascii( ch );
}
/******************************************************************
* RtlLocaleNameToLcid (NTDLL.@)
*/
NTSTATUS WINAPI RtlLocaleNameToLcid( const WCHAR *name, LCID *lcid, ULONG flags )
{
/* locale name format is: lang[-script][-country][_modifier] */
const IMAGE_RESOURCE_DIRECTORY *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
LDR_RESOURCE_INFO info;
WCHAR buf[LOCALE_NAME_MAX_LENGTH];
WCHAR lang[LOCALE_NAME_MAX_LENGTH]; /* language ("en") (note: buffer contains the other strings too) */
WCHAR *country = NULL; /* country ("US") */
WCHAR *script = NULL; /* script ("Latn") */
WCHAR *p;
int i;
if (!name) return STATUS_INVALID_PARAMETER_1;
if (!name[0])
{
*lcid = LANG_INVARIANT;
goto found;
}
if (wcslen( name ) >= LOCALE_NAME_MAX_LENGTH) return STATUS_INVALID_PARAMETER_1;
wcscpy( lang, name );
if ((p = wcspbrk( lang, L"-_" )) && *p == '-')
{
*p++ = 0;
country = p;
if ((p = wcspbrk( p, L"-_" )) && *p == '-')
{
*p++ = 0;
script = country;
country = p;
p = wcspbrk( p, L"-_" );
}
if (p) *p = 0; /* FIXME: modifier is ignored */
/* second value can be script or country, check length to resolve the ambiguity */
if (!script && wcslen( country ) == 4)
{
script = country;
country = NULL;
}
}
info.Type = 6; /* RT_STRING */
info.Name = (LOCALE_SNAME >> 4) + 1;
if (LdrFindResourceDirectory_U( kernel32_handle, &info, 2, &resdir ))
return STATUS_INVALID_PARAMETER_1;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
{
LANGID id = et[i].u.Id;
if (PRIMARYLANGID(id) == LANG_NEUTRAL) continue;
if (!load_string( LOCALE_SNAME, id, buf, ARRAY_SIZE(buf) ) && !wcsicmp( name, buf ))
{
*lcid = MAKELCID( id, SORT_DEFAULT ); /* FIXME: handle sort order */
goto found;
}
if (load_string( LOCALE_SISO639LANGNAME, id, buf, ARRAY_SIZE(buf) ) || wcsicmp( lang, buf ))
continue;
if (script)
{
unsigned int len = wcslen( script );
if (load_string( LOCALE_SSCRIPTS, id, buf, ARRAY_SIZE(buf) )) continue;
p = buf;
while (*p)
{
if (!wcsnicmp( p, script, len ) && (!p[len] || p[len] == ';')) break;
if (!(p = wcschr( p, ';'))) break;
p++;
}
if (!p || !*p) continue;
}
if (!country && (flags & 2))
{
if (!script) id = MAKELANGID( PRIMARYLANGID(id), LANG_NEUTRAL );
switch (id)
{
case MAKELANGID( LANG_CHINESE, SUBLANG_NEUTRAL ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE ):
*lcid = MAKELCID( 0x7804, SORT_DEFAULT );
break;
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_MACAU ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_HONGKONG ):
*lcid = MAKELCID( 0x7c04, SORT_DEFAULT );
break;
case MAKELANGID( LANG_SERBIAN, SUBLANG_NEUTRAL ):
*lcid = LANG_SERBIAN_NEUTRAL;
break;
default:
*lcid = MAKELANGID( PRIMARYLANGID(id), SUBLANG_NEUTRAL );
break;
}
goto found;
}
}
return STATUS_INVALID_PARAMETER_1;
found:
TRACE( "%s -> %04x\n", debugstr_w(name), *lcid );
return STATUS_SUCCESS;
}
/* helper for the various utf8 mbstowcs functions */
static unsigned int decode_utf8_char( unsigned char ch, const char **str, const char *strend )
{
/* number of following bytes in sequence based on first byte value (for bytes above 0x7f) */
static const char utf8_length[128] =
{
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80-0x8f */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90-0x9f */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xa0-0xaf */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xb0-0xbf */
0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xc0-0xcf */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xd0-0xdf */
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 0xe0-0xef */
3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0 /* 0xf0-0xff */
};
/* first byte mask depending on UTF-8 sequence length */
static const unsigned char utf8_mask[4] = { 0x7f, 0x1f, 0x0f, 0x07 };
unsigned int len = utf8_length[ch - 0x80];
unsigned int res = ch & utf8_mask[len];
const char *end = *str + len;
if (end > strend)
{
*str = end;
return ~0;
}
switch (len)
{
case 3:
if ((ch = end[-3] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
(*str)++;
if (res < 0x10) break;
case 2:
if ((ch = end[-2] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
if (res >= 0x110000 >> 6) break;
(*str)++;
if (res < 0x20) break;
if (res >= 0xd800 >> 6 && res <= 0xdfff >> 6) break;
case 1:
if ((ch = end[-1] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
(*str)++;
if (res < 0x80) break;
return res;
}
return ~0;
}
/**************************************************************************
* RtlUTF8ToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUTF8ToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen, const char *src, DWORD srclen )
{
unsigned int res, len;
NTSTATUS status = STATUS_SUCCESS;
const char *srcend = src + srclen;
WCHAR *dstend;
if (!src) return STATUS_INVALID_PARAMETER_4;
if (!reslen) return STATUS_INVALID_PARAMETER;
dstlen /= sizeof(WCHAR);
dstend = dst + dstlen;
if (!dst)
{
for (len = 0; src < srcend; len++)
{
unsigned char ch = *src++;
if (ch < 0x80) continue;
if ((res = decode_utf8_char( ch, &src, srcend )) > 0x10ffff)
status = STATUS_SOME_NOT_MAPPED;
else
if (res > 0xffff) len++;
}
*reslen = len * sizeof(WCHAR);
return status;
}
while ((dst < dstend) && (src < srcend))
{
unsigned char ch = *src++;
if (ch < 0x80) /* special fast case for 7-bit ASCII */
{
*dst++ = ch;
continue;
}
if ((res = decode_utf8_char( ch, &src, srcend )) <= 0xffff)
{
*dst++ = res;
}
else if (res <= 0x10ffff) /* we need surrogates */
{
res -= 0x10000;
*dst++ = 0xd800 | (res >> 10);
if (dst == dstend) break;
*dst++ = 0xdc00 | (res & 0x3ff);
}
else
{
*dst++ = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
}
if (src < srcend) status = STATUS_BUFFER_TOO_SMALL; /* overflow */
*reslen = (dstlen - (dstend - dst)) * sizeof(WCHAR);
return status;
}
/**************************************************************************
* RtlUnicodeToUTF8N (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToUTF8N( char *dst, DWORD dstlen, DWORD *reslen, const WCHAR *src, DWORD srclen )
{
char *end;
unsigned int val, len;
NTSTATUS status = STATUS_SUCCESS;
if (!src) return STATUS_INVALID_PARAMETER_4;
if (!reslen) return STATUS_INVALID_PARAMETER;
if (dst && (srclen & 1)) return STATUS_INVALID_PARAMETER_5;
srclen /= sizeof(WCHAR);
if (!dst)
{
for (len = 0; srclen; srclen--, src++)
{
if (*src < 0x80) len++; /* 0x00-0x7f: 1 byte */
else if (*src < 0x800) len += 2; /* 0x80-0x7ff: 2 bytes */
else
{
if (!get_utf16( src, srclen, &val ))
{
val = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
if (val < 0x10000) len += 3; /* 0x800-0xffff: 3 bytes */
else /* 0x10000-0x10ffff: 4 bytes */
{
len += 4;
src++;
srclen--;
}
}
}
*reslen = len;
return status;
}
for (end = dst + dstlen; srclen; srclen--, src++)
{
WCHAR ch = *src;
if (ch < 0x80) /* 0x00-0x7f: 1 byte */
{
if (dst > end - 1) break;
*dst++ = ch;
continue;
}
if (ch < 0x800) /* 0x80-0x7ff: 2 bytes */
{
if (dst > end - 2) break;
dst[1] = 0x80 | (ch & 0x3f);
ch >>= 6;
dst[0] = 0xc0 | ch;
dst += 2;
continue;
}
if (!get_utf16( src, srclen, &val ))
{
val = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
if (val < 0x10000) /* 0x800-0xffff: 3 bytes */
{
if (dst > end - 3) break;
dst[2] = 0x80 | (val & 0x3f);
val >>= 6;
dst[1] = 0x80 | (val & 0x3f);
val >>= 6;
dst[0] = 0xe0 | val;
dst += 3;
}
else /* 0x10000-0x10ffff: 4 bytes */
{
if (dst > end - 4) break;
dst[3] = 0x80 | (val & 0x3f);
val >>= 6;
dst[2] = 0x80 | (val & 0x3f);
val >>= 6;
dst[1] = 0x80 | (val & 0x3f);
val >>= 6;
dst[0] = 0xf0 | val;
dst += 4;
src++;
srclen--;
}
}
if (srclen) status = STATUS_BUFFER_TOO_SMALL;
*reslen = dstlen - (end - dst);
return status;
}
/******************************************************************************
* RtlIsNormalizedString (NTDLL.@)
*/
NTSTATUS WINAPI RtlIsNormalizedString( ULONG form, const WCHAR *str, INT len, BOOLEAN *res )
{
const struct norm_table *info;
NTSTATUS status;
BYTE props, class, last_class = 0;
unsigned int ch;
int i, r, result = 1;
if ((status = load_norm_table( form, &info ))) return status;
if (len == -1) len = wcslen( str );
for (i = 0; i < len && result; i += r)
{
if (!(r = get_utf16( str + i, len - i, &ch ))) return STATUS_NO_UNICODE_TRANSLATION;
if (info->comp_size)
{
if ((ch >= HANGUL_VBASE && ch < HANGUL_VBASE + HANGUL_VCOUNT) ||
(ch >= HANGUL_TBASE && ch < HANGUL_TBASE + HANGUL_TCOUNT))
{
result = -1; /* QC=Maybe */
continue;
}
}
else if (ch >= HANGUL_SBASE && ch < HANGUL_SBASE + HANGUL_SCOUNT)
{
result = 0; /* QC=No */
break;
}
props = get_char_props( info, ch );
class = props & 0x3f;
if (class == 0x3f)
{
last_class = 0;
if (props == 0xbf) result = 0; /* QC=No */
else if (props == 0xff)
{
/* ignore other chars in Hangul range */
if (ch >= HANGUL_LBASE && ch < HANGUL_LBASE + 0x100) continue;
if (ch >= HANGUL_SBASE && ch < HANGUL_SBASE + 0x2c00) continue;
/* allow final null */
if (!ch && i == len - 1) continue;
return STATUS_NO_UNICODE_TRANSLATION;
}
}
else if (props & 0x80)
{
if ((props & 0xc0) == 0xc0) result = -1; /* QC=Maybe */
if (class && class < last_class) result = 0; /* QC=No */
last_class = class;
}
else last_class = 0;
}
if (result == -1)
{
int dstlen = len * 4;
NTSTATUS status;
WCHAR *buffer = RtlAllocateHeap( GetProcessHeap(), 0, dstlen * sizeof(WCHAR) );
if (!buffer) return STATUS_NO_MEMORY;
status = RtlNormalizeString( form, str, len, buffer, &dstlen );
result = !status && (dstlen == len) && !wcsncmp( buffer, str, len );
RtlFreeHeap( GetProcessHeap(), 0, buffer );
}
*res = result;
return STATUS_SUCCESS;
}
/******************************************************************************
* RtlNormalizeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlNormalizeString( ULONG form, const WCHAR *src, INT src_len, WCHAR *dst, INT *dst_len )
{
int buf_len;
WCHAR *buf = NULL;
const struct norm_table *info;
NTSTATUS status = STATUS_SUCCESS;
TRACE( "%x %s %d %p %d\n", form, debugstr_wn(src, src_len), src_len, dst, *dst_len );
if ((status = load_norm_table( form, &info ))) return status;
if (src_len == -1) src_len = wcslen(src) + 1;
if (!*dst_len)
{
*dst_len = src_len * info->len_factor;
if (*dst_len > 64) *dst_len = max( 64, src_len + src_len / 8 );
return STATUS_SUCCESS;
}
if (!src_len)
{
*dst_len = 0;
return STATUS_SUCCESS;
}
if (!info->comp_size) return decompose_string( info, src, src_len, dst, dst_len );
buf_len = src_len * 4;
for (;;)
{
buf = RtlAllocateHeap( GetProcessHeap(), 0, buf_len * sizeof(WCHAR) );
if (!buf) return STATUS_NO_MEMORY;
status = decompose_string( info, src, src_len, buf, &buf_len );
if (status != STATUS_BUFFER_TOO_SMALL) break;
RtlFreeHeap( GetProcessHeap(), 0, buf );
}
if (!status)
{
buf_len = compose_string( info, buf, buf_len );
if (*dst_len >= buf_len) memcpy( dst, buf, buf_len * sizeof(WCHAR) );
else status = STATUS_BUFFER_TOO_SMALL;
}
RtlFreeHeap( GetProcessHeap(), 0, buf );
*dst_len = buf_len;
return status;
}
/* Punycode parameters */
enum { BASE = 36, TMIN = 1, TMAX = 26, SKEW = 38, DAMP = 700 };
static BOOL check_invalid_chars( const struct norm_table *info, DWORD flags,
const unsigned int *buffer, int len )
{
int i;
for (i = 0; i < len; i++)
{
switch (buffer[i])
{
case 0x200c: /* zero-width non-joiner */
case 0x200d: /* zero-width joiner */
if (!i || get_combining_class( info, buffer[i - 1] ) != 9) return TRUE;
break;
case 0x2260: /* not equal to */
case 0x226e: /* not less than */
case 0x226f: /* not greater than */
if (flags & IDN_USE_STD3_ASCII_RULES) return TRUE;
break;
}
switch (get_char_props( info, buffer[i] ))
{
case 0xbf:
return TRUE;
case 0xff:
if (buffer[i] >= HANGUL_SBASE && buffer[i] < HANGUL_SBASE + 0x2c00) break;
return TRUE;
case 0x7f:
if (!(flags & IDN_ALLOW_UNASSIGNED)) return TRUE;
break;
}
}
if ((flags & IDN_USE_STD3_ASCII_RULES) && len && (buffer[0] == '-' || buffer[len - 1] == '-'))
return TRUE;
return FALSE;
}
/******************************************************************************
* RtlIdnToAscii (NTDLL.@)
*/
NTSTATUS WINAPI RtlIdnToAscii( DWORD flags, const WCHAR *src, INT srclen, WCHAR *dst, INT *dstlen )
{
static const WCHAR prefixW[] = {'x','n','-','-'};
const struct norm_table *info;
NTSTATUS status;
WCHAR normstr[256], res[256];
unsigned int ch, buffer[64];
int i, len, start, end, out_label, out = 0, normlen = ARRAY_SIZE(normstr);
TRACE( "%x %s %p %d\n", flags, debugstr_wn(src, srclen), dst, *dstlen );
if ((status = load_norm_table( 13, &info ))) return status;
if ((status = RtlIdnToNameprepUnicode( flags, src, srclen, normstr, &normlen ))) return status;
/* implementation of Punycode based on RFC 3492 */
for (start = 0; start < normlen; start = end + 1)
{
int n = 0x80, bias = 72, delta = 0, b = 0, h, buflen = 0;
out_label = out;
for (i = start; i < normlen; i += len)
{
if (!(len = get_utf16( normstr + i, normlen - i, &ch ))) break;
if (!ch || ch == '.') break;
if (ch < 0x80) b++;
buffer[buflen++] = ch;
}
end = i;
if (b == end - start)
{
if (end < normlen) b++;
if (out + b > ARRAY_SIZE(res)) return STATUS_INVALID_IDN_NORMALIZATION;
memcpy( res + out, normstr + start, b * sizeof(WCHAR) );
out += b;
continue;
}
if (buflen >= 4 && buffer[2] == '-' && buffer[3] == '-') return STATUS_INVALID_IDN_NORMALIZATION;
if (check_invalid_chars( info, flags, buffer, buflen )) return STATUS_INVALID_IDN_NORMALIZATION;
if (out + 5 + b > ARRAY_SIZE(res)) return STATUS_INVALID_IDN_NORMALIZATION;
memcpy( res + out, prefixW, sizeof(prefixW) );
out += ARRAY_SIZE(prefixW);
if (b)
{
for (i = start; i < end; i++) if (normstr[i] < 0x80) res[out++] = normstr[i];
res[out++] = '-';
}
for (h = b; h < buflen; delta++, n++)
{
int m = 0x10ffff, q, k;
for (i = 0; i < buflen; i++) if (buffer[i] >= n && m > buffer[i]) m = buffer[i];
delta += (m - n) * (h + 1);
n = m;
for (i = 0; i < buflen; i++)
{
if (buffer[i] == n)
{
for (q = delta, k = BASE; ; k += BASE)
{
int t = k <= bias ? TMIN : k >= bias + TMAX ? TMAX : k - bias;
int disp = q < t ? q : t + (q - t) % (BASE - t);
if (out + 1 > ARRAY_SIZE(res)) return STATUS_INVALID_IDN_NORMALIZATION;
res[out++] = disp <= 25 ? 'a' + disp : '0' + disp - 26;
if (q < t) break;
q = (q - t) / (BASE - t);
}
delta /= (h == b ? DAMP : 2);
delta += delta / (h + 1);
for (k = 0; delta > ((BASE - TMIN) * TMAX) / 2; k += BASE) delta /= BASE - TMIN;
bias = k + ((BASE - TMIN + 1) * delta) / (delta + SKEW);
delta = 0;
h++;
}
else if (buffer[i] < n) delta++;
}
}
if (out - out_label > 63) return STATUS_INVALID_IDN_NORMALIZATION;
if (end < normlen)
{
if (out + 1 > ARRAY_SIZE(res)) return STATUS_INVALID_IDN_NORMALIZATION;
res[out++] = normstr[end];
}
}
if (*dstlen)
{
if (out <= *dstlen) memcpy( dst, res, out * sizeof(WCHAR) );
else status = STATUS_BUFFER_TOO_SMALL;
}
*dstlen = out;
return status;
}
/******************************************************************************
* RtlIdnToNameprepUnicode (NTDLL.@)
*/
NTSTATUS WINAPI RtlIdnToNameprepUnicode( DWORD flags, const WCHAR *src, INT srclen,
WCHAR *dst, INT *dstlen )
{
const struct norm_table *info;
unsigned int ch;
NTSTATUS status;
WCHAR buf[256];
int i, start, len, buflen = ARRAY_SIZE(buf);
if (flags & ~(IDN_ALLOW_UNASSIGNED | IDN_USE_STD3_ASCII_RULES)) return STATUS_INVALID_PARAMETER;
if (!src || srclen < -1) return STATUS_INVALID_PARAMETER;
TRACE( "%x %s %p %d\n", flags, debugstr_wn(src, srclen), dst, *dstlen );
if ((status = load_norm_table( 13, &info ))) return status;
if (srclen == -1) srclen = wcslen(src) + 1;
for (i = 0; i < srclen; i++) if (src[i] < 0x20 || src[i] >= 0x7f) break;
if (i == srclen || (i == srclen - 1 && !src[i])) /* ascii only */
{
if (srclen > buflen) return STATUS_INVALID_IDN_NORMALIZATION;
memcpy( buf, src, srclen * sizeof(WCHAR) );
buflen = srclen;
}
else if ((status = RtlNormalizeString( 13, src, srclen, buf, &buflen )))
{
if (status == STATUS_NO_UNICODE_TRANSLATION) status = STATUS_INVALID_IDN_NORMALIZATION;
return status;
}
for (i = start = 0; i < buflen; i += len)
{
if (!(len = get_utf16( buf + i, buflen - i, &ch ))) break;
if (!ch) break;
if (ch == '.')
{
if (start == i) return STATUS_INVALID_IDN_NORMALIZATION;
/* maximal label length is 63 characters */
if (i - start > 63) return STATUS_INVALID_IDN_NORMALIZATION;
if ((flags & IDN_USE_STD3_ASCII_RULES) && (buf[start] == '-' || buf[i-1] == '-'))
return STATUS_INVALID_IDN_NORMALIZATION;
start = i + 1;
continue;
}
if (flags & IDN_USE_STD3_ASCII_RULES)
{
if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') || ch == '-') continue;
return STATUS_INVALID_IDN_NORMALIZATION;
}
if (!(flags & IDN_ALLOW_UNASSIGNED))
{
if (get_char_props( info, ch ) == 0x7f) return STATUS_INVALID_IDN_NORMALIZATION;
}
}
if (!i || i - start > 63) return STATUS_INVALID_IDN_NORMALIZATION;
if ((flags & IDN_USE_STD3_ASCII_RULES) && (buf[start] == '-' || buf[i-1] == '-'))
return STATUS_INVALID_IDN_NORMALIZATION;
if (*dstlen)
{
if (buflen <= *dstlen) memcpy( dst, buf, buflen * sizeof(WCHAR) );
else status = STATUS_BUFFER_TOO_SMALL;
}
*dstlen = buflen;
return status;
}
/******************************************************************************
* RtlIdnToUnicode (NTDLL.@)
*/
NTSTATUS WINAPI RtlIdnToUnicode( DWORD flags, const WCHAR *src, INT srclen, WCHAR *dst, INT *dstlen )
{
const struct norm_table *info;
int i, buflen, start, end, out_label, out = 0;
NTSTATUS status;
UINT buffer[64];
WCHAR ch;
if (!src || srclen < -1) return STATUS_INVALID_PARAMETER;
if (srclen == -1) srclen = wcslen( src ) + 1;
TRACE( "%x %s %p %d\n", flags, debugstr_wn(src, srclen), dst, *dstlen );
if ((status = load_norm_table( 13, &info ))) return status;
for (start = 0; start < srclen; )
{
int n = 0x80, bias = 72, pos = 0, old_pos, w, k, t, delim = 0, digit, delta;
out_label = out;
for (i = start; i < srclen; i++)
{
ch = src[i];
if (ch > 0x7f || (i != srclen - 1 && !ch)) return STATUS_INVALID_IDN_NORMALIZATION;
if (!ch || ch == '.') break;
if (ch == '-') delim = i;
if (!(flags & IDN_USE_STD3_ASCII_RULES)) continue;
if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') || ch == '-')
continue;
return STATUS_INVALID_IDN_NORMALIZATION;
}
end = i;
/* last label may be empty */
if (start == end && ch) return STATUS_INVALID_IDN_NORMALIZATION;
if (end - start < 4 ||
(src[start] != 'x' && src[start] != 'X') ||
(src[start + 1] != 'n' && src[start + 1] != 'N') ||
src[start + 2] != '-' || src[start + 3] != '-')
{
if (end - start > 63) return STATUS_INVALID_IDN_NORMALIZATION;
if ((flags & IDN_USE_STD3_ASCII_RULES) && (src[start] == '-' || src[end - 1] == '-'))
return STATUS_INVALID_IDN_NORMALIZATION;
if (end < srclen) end++;
if (*dstlen)
{
if (out + end - start <= *dstlen)
memcpy( dst + out, src + start, (end - start) * sizeof(WCHAR));
else return STATUS_BUFFER_TOO_SMALL;
}
out += end - start;
start = end;
continue;
}
if (delim == start + 3) delim++;
buflen = 0;
for (i = start + 4; i < delim && buflen < ARRAY_SIZE(buffer); i++) buffer[buflen++] = src[i];
if (buflen) i++;
while (i < end)
{
old_pos = pos;
w = 1;
for (k = BASE; ; k += BASE)
{
if (i >= end) return STATUS_INVALID_IDN_NORMALIZATION;
ch = src[i++];
if (ch >= 'a' && ch <= 'z') digit = ch - 'a';
else if (ch >= 'A' && ch <= 'Z') digit = ch - 'A';
else if (ch >= '0' && ch <= '9') digit = ch - '0' + 26;
else return STATUS_INVALID_IDN_NORMALIZATION;
pos += digit * w;
t = k <= bias ? TMIN : k >= bias + TMAX ? TMAX : k - bias;
if (digit < t) break;
w *= BASE - t;
}
delta = (pos - old_pos) / (!old_pos ? DAMP : 2);
delta += delta / (buflen + 1);
for (k = 0; delta > ((BASE - TMIN) * TMAX) / 2; k += BASE) delta /= BASE - TMIN;
bias = k + ((BASE - TMIN + 1) * delta) / (delta + SKEW);
n += pos / (buflen + 1);
pos %= buflen + 1;
if (buflen >= ARRAY_SIZE(buffer) - 1) return STATUS_INVALID_IDN_NORMALIZATION;
memmove( buffer + pos + 1, buffer + pos, (buflen - pos) * sizeof(*buffer) );
buffer[pos++] = n;
buflen++;
}
if (check_invalid_chars( info, flags, buffer, buflen )) return STATUS_INVALID_IDN_NORMALIZATION;
for (i = 0; i < buflen; i++)
{
int len = 1 + (buffer[i] >= 0x10000);
if (*dstlen)
{
if (out + len <= *dstlen) put_utf16( dst + out, buffer[i] );
else return STATUS_BUFFER_TOO_SMALL;
}
out += len;
}
if (out - out_label > 63) return STATUS_INVALID_IDN_NORMALIZATION;
if (end < srclen)
{
if (*dstlen)
{
if (out + 1 <= *dstlen) dst[out] = src[end];
else return STATUS_BUFFER_TOO_SMALL;
}
out++;
}
start = end + 1;
}
*dstlen = out;
return STATUS_SUCCESS;
}
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