Alexandre Julliard : kernelbase: Use external NLS files for Unicode composition.
Module: wine Branch: master Commit: 55dc4fce990f9edd3c216e5dff15a7918308b03f URL: https://source.winehq.org/git/wine.git/?a=commit;h=55dc4fce990f9edd3c216e5df... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Thu Feb 20 16:02:36 2020 +0100 kernelbase: Use external NLS files for Unicode composition. Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/kernelbase/locale.c | 128 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 115 insertions(+), 13 deletions(-) diff --git a/dlls/kernelbase/locale.c b/dlls/kernelbase/locale.c index 8e878981ba..aad2422db2 100644 --- a/dlls/kernelbase/locale.c +++ b/dlls/kernelbase/locale.c @@ -42,11 +42,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(nls); #define CALINFO_MAX_YEAR 2029 extern UINT CDECL __wine_get_unix_codepage(void); -extern unsigned int wine_compose( unsigned int ch1, unsigned int ch2 ) DECLSPEC_HIDDEN; extern const unsigned short wctype_table[] DECLSPEC_HIDDEN; extern const unsigned int collation_table[] DECLSPEC_HIDDEN; -extern const unsigned short nfd_table[] DECLSPEC_HIDDEN; static HANDLE kernel32_handle; @@ -538,6 +536,36 @@ static const struct geoinfo geoinfodata[] = { 161832257, L"XX", L"XX", 10026358, 419, LOCATION_REGION }, /* Latin America and the Caribbean */ }; +/* 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 UINT mac_cp = 10000; static HKEY intl_key; @@ -547,6 +575,8 @@ static HKEY tz_key; static CPTABLEINFO codepages[128]; static unsigned int nb_codepages; +static struct norm_table *norm_info; + static CRITICAL_SECTION locale_section; static CRITICAL_SECTION_DEBUG critsect_debug = { @@ -581,6 +611,8 @@ void init_locale(void) (WCHAR *)&oem_cp, sizeof(oem_cp)/sizeof(WCHAR) ); NtGetNlsSectionPtr( 10, 0, 0, (void **)&casemap_ptr, &size ); + NtGetNlsSectionPtr( 12, NormalizationC, NULL, (void **)&norm_info, &size ); + if (!ansi_cp || NtGetNlsSectionPtr( 11, ansi_cp, NULL, (void **)&ansi_ptr, &size )) NtGetNlsSectionPtr( 11, 1252, NULL, (void **)&ansi_ptr, &size ); if (!oem_cp || NtGetNlsSectionPtr( 11, oem_cp, 0, (void **)&oem_ptr, &size )) @@ -675,15 +707,85 @@ static inline WCHAR casemap( const USHORT *table, WCHAR ch ) } -static const WCHAR *get_decomposition( WCHAR ch, unsigned int *len ) +static BYTE rol( BYTE val, BYTE count ) { - unsigned short offset = nfd_table[nfd_table[ch >> 8] + ((ch >> 4) & 0xf)] + (ch & 0xf); - unsigned short start = nfd_table[offset]; - unsigned short end = nfd_table[offset + 1]; + return (val << count) | (val >> (8 - count)); +} - if ((*len = end - start)) return nfd_table + start; - *len = 1; - return NULL; + +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]; +} + + +static const WCHAR *get_decomposition( WCHAR ch, unsigned int *ret_len ) +{ + const struct pair { WCHAR src; USHORT dst; } *pairs; + const USHORT *hash_table = (const USHORT *)norm_info + norm_info->decomp_hash; + const WCHAR *ret; + unsigned int i, pos, end, len, hash; + + *ret_len = 1; + hash = ch % norm_info->decomp_size; + pos = hash_table[hash]; + if (pos >> 13) + { + if (get_char_props( norm_info, ch ) != 0xbf) return NULL; + ret = (const USHORT *)norm_info + norm_info->decomp_seq + (pos & 0x1fff); + len = pos >> 13; + } + else + { + pairs = (const struct pair *)((const USHORT *)norm_info + norm_info->decomp_map); + + /* find the end of the hash bucket */ + for (i = hash + 1; i < norm_info->decomp_size; i++) if (!(hash_table[i] >> 13)) break; + if (i < norm_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 *)norm_info + norm_info->decomp_seq + (pairs[pos].dst & 0x1fff); + len = pairs[pos].dst >> 13; + break; + } + if (pos >= end) return NULL; + } + + if (len == 7) while (ret[len]) len++; + if (!ret[0]) len = 0; /* ignored char */ + *ret_len = len; + return ret; +} + + +static WCHAR compose_chars( WCHAR ch1, WCHAR ch2 ) +{ + const USHORT *table = (const USHORT *)norm_info + norm_info->comp_hash; + const WCHAR *chars = (const USHORT *)norm_info + norm_info->comp_seq; + unsigned int hash, start, end, i; + WCHAR ch[3]; + + hash = (ch1 + 95 * ch2) % norm_info->comp_size; + start = table[hash]; + end = table[hash + 1]; + while (start < end) + { + for (i = 0; i < 3; i++, start++) + { + ch[i] = chars[start]; + if (IS_HIGH_SURROGATE( ch[i] )) start++; + } + if (ch[0] == ch1 && ch[1] == ch2) return ch[2]; + } + return 0; } @@ -1673,7 +1775,7 @@ static int wcstombs_sbcs_slow( const CPTABLEINFO *info, DWORD flags, const WCHAR for (i = 0; srclen; i++, src++, srclen--) { wch = *src; - if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = wine_compose( src[0], src[1] ))) + if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = compose_chars( src[0], src[1] ))) { /* now check if we can use the composed char */ if (is_valid_sbcs_mapping( info, flags, composed )) @@ -1706,7 +1808,7 @@ static int wcstombs_sbcs_slow( const CPTABLEINFO *info, DWORD flags, const WCHAR for (i = dstlen; srclen && i; dst++, i--, src++, srclen--) { wch = *src; - if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = wine_compose( src[0], src[1] ))) + if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = compose_chars( src[0], src[1] ))) { /* now check if we can use the composed char */ if (is_valid_sbcs_mapping( info, flags, composed )) @@ -1776,7 +1878,7 @@ static int wcstombs_dbcs_slow( const CPTABLEINFO *info, DWORD flags, const WCHAR for (i = 0; srclen; srclen--, src++, i++) { wch = *src; - if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = wine_compose( src[0], src[1] ))) + if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = compose_chars( src[0], src[1] ))) { /* now check if we can use the composed char */ if (is_valid_dbcs_mapping( info, flags, composed )) @@ -1820,7 +1922,7 @@ static int wcstombs_dbcs_slow( const CPTABLEINFO *info, DWORD flags, const WCHAR for (i = dstlen; srclen && i; i--, srclen--, src++) { wch = *src; - if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = wine_compose( src[0], src[1] ))) + if ((flags & WC_COMPOSITECHECK) && (srclen > 1) && (composed = compose_chars( src[0], src[1] ))) { /* now check if we can use the composed char */ if (is_valid_dbcs_mapping( info, flags, composed ))
participants (1)
-
Alexandre Julliard