Category : C++ Source Code
Archive : VCCRT2.ZIP
Filename : LCFILE.H
Output of file : LCFILE.H contained in archive : VCCRT2.ZIP
*lcfile.h - Locale.sys file format
*
* Copyright (c) 1990-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Defines the format of the locale data file (i.e., data
* as it resides on disk (locale.sys)).
**
*******************************************************************************/
#include
/*
* Constants
*/
/* max. length of std. language/country abbreviations (incl. null) */
#define _SHORT_LANG_LEN 4
#define _SHORT_CTRY_LEN 4
#define _CDAYS 7
#define _CMONTHS 12
#ifndef _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#define _WCHAR_T_DEFINED
#endif
typedef union
{
unsigned char ch;
wchar_t wch;
} utext;
/***
* Locale File Definition
***
*
* The locale data file has 7 main portions:
*
* (1) A header that contains general information
* (2) Lists of available Languages, Countries, and Codepages
* (3) Lists matching Language & Country codes to English text names
* (4) A list of Languages with associated info headers
* (5) A list of Countries with associated info headers
* (6) A list of Codepages with associated info headers
* (7) A block of data (strings, tables, etc.) referenced from headers
*
* Note: all "pointers" are 32-bit offsets from the beginning of (7).
* This simplifies modification of an existing locale file.
*
* We are considering other variations, notably 16-bit indices like those
* used in system resources. This would require a table matching the indices
* to actual offsets, although this level may be hidden.
*
*
* +-----------------------+
* | |
* | File Header | (56+ bytes)
* | |
* +-----------------------+
*
*
* +-----------------------+
* | |
* | Language Table | (1 entry per Language)
* | |
* +-----------------------+
*
* +-----------------------+
* | |
* | Country Table | (1 entry per Country)
* | |
* +-----------------------+
*
* +-----------------------+
* | |
* | Codepage Table | (1 entry per Codepage)
* | |
* +-----------------------+
*
*
* +-----------------------+
* | |
* | Language Dictionary | (1 entry per name, variant, or abbrev)
* | |
* +-----------------------+
*
* +-----------------------+
* | |
* | Country Dictionary | (1 entry per name, variant, or abbrev)
* | |
* +-----------------------+
*
*
* +-----------------------+
* | Language #1 Info | (34+ bytes) each
* +-----------------------+
* | Language #2 Info |
* +-----------------------+
* .
* .
* .
* +-----------------------+
* | Language #N Info |
* +-----------------------+
*
*
* +-----------------------+
* | Country #1 Info | (34+ bytes each)
* +-----------------------+
* | Country #2 Info |
* +-----------------------+
* .
* .
* .
* +-----------------------+
* | Country #N Info |
* +-----------------------+
*
*
* +-----------------------+
* | Codepage #1 Info | (32+ bytes each)
* +-----------------------+
* | Codepage #2 Info |
* +-----------------------+
* .
* .
* .
* +-----------------------+
* | Codepage #N Info |
* +-----------------------+
*
* +-----------------------+
* | Misc. data block | (variable size)
* | |
* . .
* . .
* . .
* | |
* +-----------------------+
*/
/*
* File Header
* This structure defines the info in the file header.
*/
struct _lc_fileheader {
short hdr_size; /* size of fix-length header (bytes) */
unsigned short cLangs; /* number of languages in file */
unsigned short cCtrys; /* number of countries in file */
unsigned short cCodePages; /* number of codepages in file */
struct _Langindex *LangIndex; /* sorted list of languages avail. */
struct _CtryIndex *CtryIndex; /* sorted list of countries avail. */
struct _CPIndex *CPIndex; /* sorted list of codepages avail. */
unsigned short cLangDict; /* size of language dictionary */
unsigned short cCtryDict; /* size of country dictionary */
struct _LangName *LangDict; /* Language-name dictionary (sorted) */
struct _CtryName *CtryDict; /* Country-name dictionary (sorted) */
/* void *CPDict; // not needed?? */
/* CONSIDER--the remainder could be a separate internal structure... */
struct _language *lpLang; /* offset to language defs */
struct _country *lpCtry; /* offset to country defs */
struct _codepage *lpCodepage; /* offset to codepage defs */
unsigned long revision; /* rev of file header */
long cDataArea; /* size of data area (bytes) */
char *lpDataArea; /* misc data area; */
};
struct _Langindex {
unsigned long code;
struct _language *index;
};
struct _Ctryindex {
unsigned short code;
struct _country *index;
};
struct _CPIndex {
unsigned short code;
struct _codepage *index;
};
struct _LangNames {
unsigned char *name;
unsigned long code;
};
struct _CtryNames {
unsigned char *name;
unsigned short code;
};
/*
* Structures used within language, country, and codepage entries.
*/
/* valid types for 'format' field of _charmap structure */
enum _CM_FORMAT
{
_CM_CHARMAP = (-1), /* recursive: array of charmap */
_CM_DIRECT = 0, /* direct 1:1 mapping--no data */
_CM_BYTES, /* array of abs. bytes */
_CM_WORDS, /* array of abs. words */
_CM_CONST, /* maps directly to single data value */
_CM_RELBYTES, /* array of relative byte offsets */
_CM_RELWORDS, /* array of relative word offsets */
_CM_RELCONST, /* single relative data offset */
_CM_BYTPAIRS, /* array of pairs of bytes */
_CM_WRDPAIRS, /* array of pairs of words */
_CM_STRPAIRS, /* array of pairs of char strings */
_CM_WCSPAIRS, /* array of pairs of wchar_t strings */
_CM_BITMAP /* special n:n:n packed bit-map scheme */
/* currently optimized for 8:4:4 */
};
struct _charmap { /* must be 32-bit aligned */
short cp; /* code_page of table (0=unicode ???) */
short format; /* enum types listed above */
unsigned short start; /* offset (if any) to first char in range */
unsigned short len; /* array size of union - 1 */
union {
short data; /* used for const-type data */
void * pdata; /* used for all other data */
};
};
struct _day_month {
unsigned short hdr_size; /* size of fix-length portion (bytes) */
short cp; /* code_page of table (0=unicode ???) */
short format; /* 0/1 = standard info char/wchar_t;2+ reserved */
unsigned short date_fmt; /* defaults; country will override */
unsigned short time_fmt; /* defaults; country will override */
short aux_type; /* aux. info structure type; 0 = none */
void * aux_info; /* auxilary information structure pointer */
utext **LongDateFmt; /* word-for-windows format date */
utext *wday[_CDAYS];
utext *wday_abbr[_CDAYS];
utext *month[_CMONTHS];
utext *month_abbr[_CMONTHS];
utext *date_sep;
utext *time_sep;
utext *ampm[2];
utext *bcad[2];
};
/*
* Language
*/
struct _language {
short hdr_size; /* size of fix-length portion (bytes) */
short version; /* 0 = use OS if available (default) */
unsigned short lang; /* standard language number */
unsigned short sublang; /* language variant, (0, 1, 2...) */
unsigned char shortname[_SHORT_LANG_LEN]; /* std. abbrev. lang name */
unsigned char * name; /* Language name (in english) */
wchar_t * uniname; /* optional Language name (in unicode) */
short def_ctry; /* default country number */
short def_cp; /* default code page */
struct _charmap **colltab; /* list of collation table structures */
struct _day_month **dmtab;
short ctables; /* number of collation tables (typ. 0 or 1) */
};
/*
* Country
*/
struct _country {
short hdr_size; /* size of fix-length portion (bytes) */
short version; /* 0 = use OS if available (default) */
unsigned char shortname[_SHORT_CTRY_LEN]; /* std. abbrev. country name */
unsigned char * name; /* Country name (in english) */
wchar_t *uniname; /* optional Country name (in unicode) */
short def_cp; /* optional default cp; 0 = use lang's def_cp */
short nm_cp; /* native code page of lconv data */
unsigned short date_fmt; /* if defined, overrides language default */
unsigned short time_fmt; /* if defined, overrides language default */
unsigned char *LongDateFmt; /* word-for-windows format date */
/* consider splitting lconv components into CP-dependent and independent groups */
/* ANSI numeric/monetary format info (lconv struct) listed explicitly: */
utext *decimal_point;
utext *thousands_sep;
utext *grouping;
utext *int_curr_symbol;
utext *currency_symbol;
utext *mon_decimal_point;
utext *mon_thousands_sep;
utext *mon_grouping;
utext *positive_sign;
utext *negative_sign;
char int_frac_digits;
char frac_digits;
char p_cs_precedes;
char p_sep_by_space;
char n_cs_precedes;
char n_sep_by_space;
char p_sign_posn;
char n_sign_posn;
utext * list_sep;
short iMeasure; /* Measurement system: 0 = Metric; 1 = English */
//
};
/*
* Codepage
*/
struct _codepage {
short hdr_size; /* size of fix-length portion (bytes) */
short version; /* 0 = use OS if available (default) */
short cp; /* 850, 437, etc. (0 = unicode ??) */
char size; /* max. wordlength in CP, (1,2, etc.) */
char format; /* 0 = unicode; 1 = native ;2+ reserved */
union {
struct {
struct _charmap *cptouc; /* cp-to-unicode conversion table */
struct _charmap *uctocp; /* optional unicode-to-cp conversion table */
/* NULL ptr means build reverse from cptouc */
};
struct {
struct _charmap *colltab; /* def. collation table if no unicode */
struct _charmap *ctype; /* NULL ptr means convert from unicode */
};
};
struct _charmap *toupper; /* casemap table */
struct _charmap *tolower; /* optional--use reverse of toupper if NULL. */
unsigned char *MBCSEv; /* lead-byte table for MBCS support */
void * AuxCPInfo; /* misc. info (room for future expansion) */
};
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