Source Code 1992 March/Source_Code_CD-ROM_Walnut_Creek_March_1992.iso/usenet/altsrcs/3/3077

Internet Message Format | 1991-03-15 | 42.8 KB

From: [e-mail] (joseph.a.brownlee)
Newsgroups: alt.sources
Subject: Pcal v4.0, part 5 of 5
Message-ID: <[e-mail]>
Date: 14 Mar 91 12:52:42 GMT

#!/bin/sh
# This is part 05 of a multipart archive
# ============= protos.h ==============
if test -f 'protos.h' -a X"$1" != X"-c"; then
    echo 'x - skipping protos.h (File already exists)'
else
echo 'x - extracting protos.h (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'protos.h' &&
/*
X * protos.h - ANSI-style function prototypes for Pcal sources
X *
X * Revision history:
X *
X *    4.0    AWR    03/01/91    use <stdlib.h> where possible
X *
X *        AWR    02/19/91    adapted from Bill Hogsett's source
X *
X */
X
X
/*
X * Prototypes for functions defined in exprpars.c:
X */
int parse_expr(char *pbuf);
X
X
/*
X * Prototypes for functions defined in moonphas.c:
X */
double    calc_phase(int month, int day, int year);
double    find_phase(int month, int day, int year, int *pquarter);
char    *find_moonfile(int year);
int    read_moonfile(int year);
X
X
/*
X * Prototypes for functions defined in pcal.c:
X */
FILE    *alt_fopen(char *fullpath, char *name, char *pathlist[], char *access);
char    *color_msg(void);
int    get_args(char **argv, int curr_pass, char *where);
FLAG_USAGE *get_flag(char flag);
int    main(int argc, char **argv);
void    set_color(char *day, int col);
void    usage(FILE *fp, int fullmsg);
X
X
/*
X * Prototypes for functions defined in pcalutil.c:
X */
char    *alloc(int size);
int    calc_day(int ord, int wkd, int mm);
int    calc_weekday(int mm, int dd, int yy);
int    calc_year_day(int ord, int wkd, DATE *pdate);
int    ci_strcmp(register char *s1, register char *s2);
int    ci_strncmp(register char *s1, register char *s2, int n);
void    copy_text(char *pbuf, char **ptext);
int    getline(FILE *fp, int *pline);
int    is_valid(register int m, register int d, register int y);
int    loadwords(void);
char    *mk_filespec(char *filespec, char *path, char *name);
char    *mk_path(char *path, char *filespec);
void    normalize(DATE *pd);
int    split_date(char *pstr, int *pn1, int *pn2, int *pn3);
char    *trnlog(char *logname);
X
X
/*
X * Prototypes for functions defined in readfile.c:
X */
void    cleanup(void);
void    clear_syms(void);
int    date_type(char *cp, int *pn, int *pv);
int    do_define(char *sym);
int    do_ifdef(char *expr);
int    do_ifndef(char *expr);
int    do_include(char *path, char *name);
int    do_undef(char *sym);
int    enter_day_info(int m, int d, int y, int text_type, char **pword);
int    find_sym(char *sym);
year_info *find_year(int year, int insert);
int    get_keywd(char *cp);
int    get_month(char *cp, int numeric_ok, int year_ok);
int    get_ordinal(char *cp, int *pval);
int    get_prep(char *cp);
int    get_token(char *token);
int    get_weekday(char *cp, int wild_ok);
int    is_anyday(int mm, int dd, int yy);
int    is_holiday(int mm, int dd, int yy);
int    is_weekday(int mm, int dd, int yy);
int    is_workday(int mm, int dd, int yy);
int    not_holiday(int mm, int dd, int yy);
int    not_weekday(int mm, int dd, int yy);
int    not_workday(int mm, int dd, int yy);
int    parse(char **pword, char *filename);
int    parse_date(char **pword, int *ptype, char ***pptext);
int    parse_ord(int ord, int val, char **pword);
int    parse_rel(int wkd, char **pword, int *ptype, char ***pptext);
void    read_datefile(FILE *fp, char *filename);
X
X
/*
X * Prototypes for functions defined in writefil.c:
X */
void    def_footstring(char *p, char c);
void    find_daytext(int month, int year, int is_holiday);
void    find_holidays(int month, int year);
void    print_julian_info(int month, int year);
void    print_month(int month, int year);
void    print_moon_info(int month, int year);
void    print_text(char *p);
char    *print_word(char *p);
void    write_psfile(int month, int year, int nmonths);
X
X
/*
X * Prototypes for miscellaneous library routines (if not already included
X * via <stdlib.h> - cf. pcaldefs.h):
X */
#ifndef STDLIB
extern int    atoi(char *);
extern char    *calloc(unsigned int, unsigned int);
extern char    *getenv(char *);
#endif
SHAR_EOF
chmod 0666 protos.h ||
echo 'restore of protos.h failed'
Wc_c="`wc -c < 'protos.h'`"
test 3428 -eq "$Wc_c" ||
    echo 'protos.h: original size 3428, current size' "$Wc_c"
fi
# ============= readfile.c ==============
if test -f 'readfile.c' -a X"$1" != X"-c"; then
    echo 'x - skipping readfile.c (File already exists)'
else
echo 'x - extracting readfile.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'readfile.c' &&
/*
X * readfile.c - Pcal routines concerned with reading and parsing the datefile
X *
X * Contents:
X *
X *        cleanup
X *        clear_syms
X *        date_type
X *        do_define
X *        do_ifdef
X *        do_ifndef
X *        do_include
X *        do_undef
X *        enter_day_info
X *        find_sym
X *        find_year
X *        get_keywd
X *        get_month
X *        get_ordinal
X *        get_prep
X *        get_token
X *        get_weekday
X *        is_anyday
X *        is_holiday
X *        is_weekday
X *        is_workday
X *        not_holiday
X *        not_weekday
X *        not_workday
X *        parse
X *        parse_date
X *        parse_ord
X *        parse_rel
X *        read_datefile
X *
X * Revision history:
X *
X *    4.0    AWR    02/19/91    Support negative ordinals
X *
X *        AWR    02/06/91    Support expressions in "if{n}def"
X *
X *        AWR    02/04/91    Support "even" and "odd" ordinals
X *                    and ordinals > 5th; support "year"
X *
X *        AWR    01/15/91    Extracted from pcal.c
X *
X */
X
/*
X * Standard headers:
X */
X
#include <stdio.h>
#include <string.h>
#include <ctype.h>
X
/*
X * Pcal-specific definitions:
X */
X
#include "pcaldefs.h"
#include "pcalglob.h"
#include "pcallang.h"
X
/*
X * Macros:
X */
X
/* status codes returned by parse(), enter_day_info() */
#define PARSE_OK    0    /* successful date parse */
#define PARSE_INVDATE    1    /* nonexistent date */
#define PARSE_INVLINE    2    /* syntax error */
X
/* append date to list; terminate list */
#define ADD_DATE(m, d, y)    pdate->mm = m, pdate->dd = d, pdate++->yy = y
#define TERM_DATES        pdate->mm = pdate->dd = pdate->yy = 0
X
/*
X * Globals:
X */
X
static DATE dates[MAX_DATES+1];        /* array of date structures */
static char *pp_sym[MAX_PP_SYMS];    /* preprocessor defined symbols */
X
X
/*
X * read_datefile - read and parse date file, handling preprocessor lines
X *
X * This is the main routine of this module.  It calls getline() to read each
X * non-null line (stripped of leading blanks and trailing comments), loadwords()
X * to "tokenize" it, and get_token() to classify it as a preprocessor directive
X * or "other".  A switch{} statement takes the appropriate action for each
X * token type; "other" lines are further classified by parse() (q.v.) which
X * calls parse_date() (q.v.) to parse date entries and enter them in the data
X * structure (as described in pcaldefs.h).
X *
X */
#ifdef PROTOS
void read_datefile(FILE *fp,
X           char *filename)
#else
void read_datefile(fp, filename)
X    FILE *fp;        /* file pointer (assumed open) */
X    char *filename;        /* file name (for error messages) */
#endif
{
X    static int file_level = 0;
X    int if_level = 0;
X    int restart_level = 0;
X    int line = 0;
X    int processing = TRUE;
X
X    int pptype, extra, ntokens, save_year, expr;
X    int (*pfcn)();
X    char *ptok;
X    char **pword;
X    char msg[STRSIZ], incpath[STRSIZ];
X
X    if (fp == NULL)                /* whoops, no date file */
X        return;
X
X    if (++file_level > MAX_NESTING) {    /* nesting too deep? */
X        ERR(E_NESTING);
X        exit(EXIT_FAILURE);
X    }
X
X    save_year = curr_year;            /* save default year */
X
X    /* read lines until EOF */
X
X    while (getline(fp, &line)) {
X
X        ntokens = loadwords();        /* split line into tokens */
X        pword = words;            /* point to the first */
X
X        /* get token type and pointers to function and name */
X
X        pptype = get_token(*pword++);
X        pfcn = pp_info[pptype].pfcn;
X        ptok = pp_info[pptype].name;
X
X        switch (pptype) {
X
X        case PP_DEFINE:
X        case PP_UNDEF:
X            if (processing)
X                (void) (*pfcn)(*pword);
X            extra = ntokens > 2;
X            break;
X
X        case PP_ELSE:
X            if (if_level < 1) {
X                ERR(E_ELSE_ERR);
X                break;
X            }
X
X            if (processing) {
X                processing = FALSE;    /* disable processing */
X                restart_level = if_level;
X            }
X            else
X            if (if_level == restart_level) {
X                processing = TRUE;    /* re-enable processing */
X                restart_level = 0;
X            }
X            extra = ntokens > 1;
X            break;
X
X        case PP_ENDIF:
X            if (if_level < 1) {
X                ERR(E_END_ERR);
X                break;
X            }
X
X            if (! processing && if_level == restart_level) {
X                processing = TRUE;    /* re-enable processing */
X                restart_level = 0;
X            }
X            if_level--;
X            extra = ntokens > 1;
X            break;
X
X        case PP_IFDEF:
X        case PP_IFNDEF:
X            if_level++;
X            if (processing) {
X                copy_text(lbuf, pword);    /* reconstruct string */
X                if ((expr = (*pfcn)(lbuf)) == EXPR_ERR) {
X                    ERR(E_EXPR_SYNTAX);
X                    expr = FALSE;
X                }
X                if (! expr) {        /* disable processing */
X                    processing = FALSE;
X                    restart_level = if_level;
X                }
X            }
X            extra = FALSE;
X            break;
X
X        case PP_INCLUDE:
X            if (processing)
X                do_include(mk_path(incpath, filename), *pword);
X            extra = ntokens > 2;
X            break;
X
X        case PP_OTHER:    /* none of the above - parse as date */
X            if (processing) {
X                switch (parse(words, filename)) {
X
X                case PARSE_INVDATE:
X                    ERR(E_INV_DATE);
X                    break;
X
X                case PARSE_INVLINE:
X                    ERR(E_INV_LINE);
X                    break;
X
X                }
X            }
X            extra = FALSE;
X            break;
X
X        } /* end switch */
X
X        if (extra) {        /* extraneous data? */
X            sprintf(msg, E_GARBAGE, ptok);
X            ERR(msg);
X        }
X
X    } /* end while */
X
X    if (if_level > 0)
X        FPR(stderr, E_UNT_IFDEF, progname, filename);
X
X    file_level--;
X    curr_year = save_year;        /* restore default year */
}
X
X
/*
X * Routines to free allocated data (symbol table and data structure)
X */
X
X
/*
X * clear_syms - clear and deallocate the symbol table
X */
#ifdef PROTOS
void clear_syms(void)
#else
void clear_syms()
#endif
{
X    int i;
X
X    for (i = 0; i < MAX_PP_SYMS; i++)
X        if (pp_sym[i]) {
X            free(pp_sym[i]);
X            pp_sym[i] = NULL;
X        }
}
X
X
/*
X * cleanup - free all allocated data
X */
#ifdef PROTOS
void cleanup(void)
#else
void cleanup()
#endif
{
X    int i, j;
X    year_info *py, *pny;
X    month_info *pm;
X    day_info *pd, *pnd;
X
X    for (py = head; py; py = pny) {        /* main data structure */
X        pny = py->next;
X        for (i = 0; i < 12; i++) {
X            if ((pm = py->month[i]) == NULL)
X                continue;
X            for (j = 0; j < NOTE_DAY; j++)
X                for (pd = pm->day[j]; pd; pd = pnd) {
X                    pnd = pd->next;
X                    free(pd->text);
X                    free(pd);
X                }
X            free(pm);
X        }
X    free(py);
X    }
X
X    clear_syms();                /* symbol table */
X
}
X
X
/*
X * Preprocessor token and symbol table routines
X */
X
X
/*
X * find_sym - look up symbol; return symbol table index if found, PP_SYM_UNDEF
X * if not found
X */
#ifdef PROTOS
int find_sym(char *sym)
#else
int find_sym(sym)
X    char *sym;
#endif
{
X    int i;
X
X    if (!sym)
X        return PP_SYM_UNDEF;
X
X    for (i = 0; i < MAX_PP_SYMS; i++)
X        if (pp_sym[i] && ci_strcmp(pp_sym[i], sym) == 0)
X            return i;
X
X    return PP_SYM_UNDEF;
}
X
X
/*
X * do_ifdef - return TRUE if 'expr' is true; FALSE if not; EXPR_ERR if invalid
X */
#ifdef PROTOS
int do_ifdef(char *expr)
#else
int do_ifdef(expr)
X    char *expr;
#endif
{
X    return parse_expr(expr);
}
X
X
/*
X * do_ifndef - return FALSE if 'expr' is true; TRUE if not; EXPR_ERR if invalid
X */
#ifdef PROTOS
int do_ifndef(char *expr)
#else
int do_ifndef(expr)
X    char *expr;
#endif
{
X    int val;
X
X    return (val = parse_expr(expr)) == EXPR_ERR ? EXPR_ERR : ! val;
}
X
X
/*
X * do_define - enter 'sym' into symbol table; if 'sym' NULL, clear symbol table.
X * Always returns 0 (for compatibility with other dispatch functions).
X */
#ifdef PROTOS
int do_define(char *sym)
#else
int do_define(sym)
X    char *sym;
#endif
{
X    int i;
X
X    if (! sym) {        /* null argument - clear all definitions */
X        clear_syms();
X        return 0;
X    }
X
X    if (do_ifdef(sym))    /* already defined? */
X        return 0;
X
X    for (i = 0; i < MAX_PP_SYMS; i++)    /* find room for it */
X        if (! pp_sym[i]) {
X            strcpy(pp_sym[i] = alloc(strlen(sym)+1), sym);
X            return 0;
X        }
X
X    FPR(stderr, E_SYMFULL, progname, sym);
X    return 0;
}
X
X
/*
X * do_undef - undefine 'sym' and free its space; no error if not defined.
X * Always return 0 (for compatibility with other dispatch fcns).
X */
#ifdef PROTOS
int do_undef(char *sym)
#else
int do_undef(sym)
X    char *sym;
#endif
{
X    int i;
X
X    if (! sym)
X        return 0;
X
X    if ((i = find_sym(sym)) != PP_SYM_UNDEF) {
X        free(pp_sym[i]);
X        pp_sym[i] = NULL;
X    }
X
X    return 0;
}
X
X
/*
X * do_include - include specified file (optionally in "" or <>); always
X * returns 0 (for compatibility with related functions returning int)
X */
#ifdef PROTOS
int do_include(char *path,
X           char *name)
#else
int do_include(path, name)
X    char *path;        /* path to file */
X    char *name;        /* file name */
#endif
{
X    FILE *fp;
X    char *p, incfile[STRSIZ], tmpnam[STRSIZ];
X
X    if (! name)        /* whoops, no date file */
X        return 0;
X
X    /* copy name, stripping "" or <> */
X    strcpy(tmpnam, name + (*name == '"' || *name == '<'));
X    if ((p = P_LASTCHAR(tmpnam)) && *p == '"' || *p == '>')
X        *p = '\0';
X
X    if ((fp = fopen(mk_filespec(incfile, path, tmpnam), "r")) == NULL) {
X        FPR(stderr, E_FOPEN_ERR, progname, incfile);
X        exit(EXIT_FAILURE);
X    }
X
X    read_datefile(fp, incfile);    /* recursive call */
X    fclose(fp);
X
X    return 0;
}
X
X
X
/*
X * Dispatch functions for wildcard matching
X */
X
X
/*
X * is_anyday - dummy function which always returns TRUE
X */
#ifdef PROTOS
int is_anyday(int mm,
X          int dd,
X          int yy)
#else
int is_anyday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return TRUE;
}
X
X
/*
X * is_weekday - determine whether or not mm/dd/yy is a weekday (i.e., the
X * day of the week normally prints in black)
X */
#ifdef PROTOS
int is_weekday(int mm,
X           int dd,
X           int yy)
#else
int is_weekday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return day_color[calc_weekday(mm, dd, yy)] == BLACK;
}
X
X
/*
X * is_workday - determine whether or not mm/dd/yy is a workday (i.e., the
X * day of the week normally prints in black and the date is not a holiday)
X */
#ifdef PROTOS
int is_workday(int mm,
X           int dd,
X           int yy)
#else
int is_workday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return is_weekday(mm, dd, yy) && ! is_holiday(mm, dd, yy);
}
X
X
/*
X * is_holiday - determine whether or not mm/dd/yy is a holiday
X */
#ifdef PROTOS
int is_holiday(int mm,
X           int dd,
X           int yy)
#else
int is_holiday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    year_info *py;
X    month_info *pm;
X
X    pm = (py = find_year(yy, FALSE)) ? py->month[mm-1] : NULL;
X    return pm ? (pm->holidays & (1L << (dd-1))) != 0 : FALSE;
}
X
X
/*
X * not_XXXXX - converses of is_XXXXX above
X */
#ifdef PROTOS
int not_weekday(int mm,
X        int dd,
X        int yy)
#else
int not_weekday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return !is_weekday(mm, dd, yy);
}
X
X
#ifdef PROTOS
int not_workday(int mm,
X        int dd,
X        int yy)
#else
int not_workday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return !is_workday(mm, dd, yy);
}
X
X
#ifdef PROTOS
int not_holiday(int mm,
X        int dd,
X        int yy)
#else
int not_holiday(mm, dd, yy)
X    int mm;
X    int dd;
X    int yy;
#endif
{
X    return !is_holiday(mm, dd, yy);
}
X
X
X
/*
X * Keyword classification routines
X */
X
/*
X * get_month - convert alpha (or, optionally, numeric) string to month; return
X * 1..12 if valid, NOT_MONTH if not, ALL_MONTHS if "all", ENTIRE_YEAR if "year"
X */
#ifdef PROTOS
int get_month(char *cp,
X          int numeric_ok,
X          int year_ok)
#else
int get_month(cp, numeric_ok, year_ok)
X    char *cp;        /* string to convert */
X    int numeric_ok;        /* accept numeric string ? */
X    int year_ok;        /* accept "year"? */
#endif
{
X    int mm;
X
X    if (! cp)
X        return NOT_MONTH;
X
X    if (get_keywd(cp) == DT_ALL)
X        return ALL_MONTHS;
X
X    if (year_ok && get_keywd(cp) == DT_YEAR)
X        return ENTIRE_YEAR;
X
X    if (numeric_ok && isdigit(*cp))
X        mm = atoi(cp);
X    else
X        for (mm = JAN;
X             mm <= DEC && ci_strncmp(cp, months[mm-1], MIN_MONTH_LEN);
X             mm++)
X            ;
X
X    return mm >= JAN && mm <= DEC ? mm : NOT_MONTH;
}
X
X
/*
X * get_weekday - look up string in weekday list; return 0-6 if valid,
X * NOT_WEEKDAY if not.  If wild_ok flag is set, accept "day", "weekday",
X * "workday", or "holiday" and return appropriate value.
X */
#ifdef PROTOS
int get_weekday(char *cp,
X        int wild_ok)
#else
int get_weekday(cp, wild_ok)
X    char *cp;
X    int wild_ok;
#endif
{
X    int w;
X
X    if (!cp)
X        return NOT_WEEKDAY;
X
X    if (wild_ok) {        /* try wildcards first */
X        for (w = WILD_FIRST; w <= WILD_LAST; w++)
X            if (ci_strncmp(cp, days[w], strlen(days[w])) == 0)
X                return w;
X    }
X
X    for (w = SUN; w <= SAT; w++)
X        if (ci_strncmp(cp, days[w], MIN_DAY_LEN) == 0)
X            return w;
X
X    return NOT_WEEKDAY;
}
X
X
/*
X * get_keywd - look up string in misc. keyword list; return keyword code
X * if valid, DT_OTHER if not
X */
#ifdef PROTOS
int get_keywd(char *cp)
#else
int get_keywd(cp)
X    char *cp;
#endif
{
X    KWD *k;
X
X    if (!cp)
X        return DT_OTHER;
X
X    for (k = keywds;
X         k->name && ci_strncmp(cp, k->name, strlen(k->name));
X         k++)
X        ;
X
X    return k->code;
}
X
X
/*
X * get_ordinal - look up string in ordinal list; return ordinal code (and
X * fill in ordinal value) if valid, return ORD_OTHER if not
X */
#ifdef PROTOS
int get_ordinal(char *cp,
X        int *pval)
#else
int get_ordinal(cp, pval)
X    char *cp;
X    int *pval;
#endif
{
X    KWD_O *o;
X    int val;
X    char **psuf;
X
X    if (!cp)
X        return ORD_OTHER;
X
X    if (isdigit(*cp) || *cp == '-') {        /* numeric? */
X        if ((val = atoi(cp)) == 0)
X            return ORD_OTHER;
X
X        if (*cp == '-')                /* skip over number */
X            cp++;
X        cp += strspn(cp, DIGITS);
X
X        for (psuf = ord_suffix; *psuf; psuf++)    /* find suffix */
X            if (ci_strcmp(cp, *psuf) == 0) {
X                *pval = val;
X                return val < 0 ? ORD_NEGNUM : ORD_POSNUM;
X            }
X
X        return ORD_OTHER;
X    }
X
X    /* look for word in ordinals list */
X
X    for (o = ordinals; o->name && ci_strncmp(cp, o->name, MIN_ORD_LEN); o++)
X        ;
X
X    *pval = o->value;
X    return o->code;
}
X
X
/*
X * get_prep - look up string in preposition list; return preposition code if
X * valid, PR_OTHER if not
X */
#ifdef PROTOS
int get_prep(char *cp)
#else
int get_prep(cp)
X    char *cp;
#endif
{
X    KWD *p;
X
X    if (!cp)
X        return PR_OTHER;
X
X    for (p = preps; p->name && ci_strncmp(cp, p->name, MIN_PREP_LEN); p++)
X        ;
X
X    return p->code;
}
X
X
/*
X * get_token - look up 'token' in list of preprocessor tokens; return its
X * index if found, PP_OTHER if not
X */
#ifdef PROTOS
int get_token(char *token)
#else
int get_token(token)
X    char *token;
#endif
{
X    KWD_F *p;
X
X    for (p = pp_info;
X             p->name && ci_strncmp(token, p->name, MIN_PPTOK_LEN);
X         p++)
X        ;
X
X    return p->code;
}
X
X
/*
X * date_type - examine token and return date type code; if DT_MONTH, DT_ORDINAL,
X * or DT_WEEKDAY, fill in appropriate code (and value if DT_ORDINAL)
X */
#ifdef PROTOS
int date_type(char *cp,
X          int *pn,
X          int *pv)
#else
int date_type(cp, pn, pv)
X    char *cp;    /* pointer to start of token  */
X    int *pn;    /* token type code (returned) */
X    int *pv;    /* ordinal value (returned)   */
#endif
{
X    int n, v;
X
X    if ((n = get_ordinal(cp, &v)) != ORD_OTHER)    /* ordinal? */
X        return (*pn = n, *pv = v, DT_ORDINAL);
X
X    if (isdigit(*cp))                /* other digit? */
X        return IS_NUMERIC(cp) ? DT_EURDATE : DT_DATE;
X
X    if ((n = get_weekday(cp, TRUE)) != NOT_WEEKDAY)    /* weekday name? */
X        return (*pn = n, DT_WEEKDAY);
X
X    /* "all" can be either a keyword or a month wildcard - look for
X       the former usage first */
X
X    if ((n = get_keywd(cp)) != DT_OTHER)
X        return n;
X
X    if ((n = get_month(cp, FALSE, FALSE)) != NOT_MONTH)  /* month name? */
X        return (*pn = n, DT_MONTH);
X
X    return DT_OTHER;        /* unrecognized keyword - give up */
X
}
X
X
X
/*
X * Routines for entering data in the data structure (described in pcaldefs.h)
X */
X
X
/*
X * find_year - find record in year list; optionally create if not present
X */
#ifdef PROTOS
year_info *find_year(int year,
X             int insert)
#else
year_info *find_year(year, insert)    /* find record in year list */
X    int year;
X    int insert;            /* insert if missing */
#endif
{
X    year_info *pyear, *plast, *p;
X
X    for (plast = NULL, pyear = head;        /* search linked list */
X         pyear && pyear->year < year;
X         plast = pyear, pyear = pyear->next)
X        ;
X
X    if (pyear && pyear->year == year)        /* found - return it */
X        return pyear;
X
X    if (insert) {        /* not found - insert it if requested */
X        p = (year_info *) alloc((int) sizeof(year_info));    /* create new record */
X        p->year = year;
X
X        p->next = pyear;                /* link it in */
X        return *(plast ? &plast->next : &head) = p;
X    }
X    else
X        return NULL;
}
X
X
/*
X * enter_day_info - enter text for specified day; avoid entering duplicates.
X * Returns PARSE_INVDATE if date invalid, PARSE_OK if OK; if symbol FEB_29_OK
X * is non-zero (cf. pcaldefs.h), will silently ignore Feb 29 of common year.
X */
#ifdef PROTOS
int enter_day_info(int m,
X           int d,
X           int y,
X           int text_type,
X           char **pword)
#else
int enter_day_info(m, d, y, text_type, pword)    /* fill in information for given day */
X    int m, d, y;
X    int text_type;
X    char **pword;
#endif
{
X    static year_info *pyear;
X    static int prev_year = 0;
X    month_info *pmonth;
X    day_info *pday, *plast;
X    int is_holiday = text_type == HOLIDAY_TEXT;
X    char text[LINSIZ];
X
X    if (! is_valid(m, d == NOTE_DAY && text_type == NOTE_TEXT ? 1 : d, y))
X        return (m == FEB && d == 29 && FEB_29_OK) ? PARSE_OK : PARSE_INVDATE;
X
X    if (y != prev_year)        /* avoid unnecessary year lookup */
X        pyear = find_year(y, 1);
X
X    --m, --d;            /* adjust for use as subscripts */
X
X    if ((pmonth = pyear->month[m]) == NULL)    /* find/create month record */
X        pyear->month[m] = pmonth = (month_info *) alloc((int) sizeof(month_info));
X
X    if (is_holiday)
X        pmonth->holidays |= (1L << d);
X
X    /* insert text for day at end of list (preserving the order of entry
X     * for multiple lines on same day); eliminate those differing only
X     * in spacing and capitalization from existing entries
X         */
X
X    copy_text(text, pword);    /* consolidate text from lbuf into text */
X
#ifdef DATE_DEBUG
X    {
X    char *p;
X    fprintf(stderr, "%02d/%02d/%d%c '", m+1, d+1, y, is_holiday ? '*' : ' ');
X    for (p = text; *p; p++)
X        fprintf(stderr, isprint(*p) ? "%c" : "\\%03o", *p & 0377);
X    fprintf(stderr, "'\n");
X    }
#endif
X
X    if (*text) {
X        for (plast = NULL, pday = pmonth->day[d];
X             pday;
X             plast = pday, pday = pday->next)
X            if (ci_strcmp(pday->text, text) == 0) {
X                pday->is_holiday |= is_holiday;
X                return PARSE_OK;
X            }
X
X        /* unique - add to end of list */
X
X        pday = (day_info *) alloc(sizeof(day_info));
X        pday->is_holiday = is_holiday;
X        strcpy(pday->text = (char *) alloc(strlen(text)+1), text);
X        pday->next = NULL;
X        *(plast ? &plast->next : &pmonth->day[d]) = pday;
X    }
X
X    return PARSE_OK;
}
X
X
X
/*
X * Date parsing routines:
X */
X
X
/*
X * parse_ord - parse an ordinal date spec (e.g. "first Monday in September",
X * "every Sunday in October", "last workday in all"); return PARSE_OK if line
X * syntax valid, PARSE_INVLINE if not.  Write all matching dates (if any) to
X * global array dates[]; terminate date list with null entry.
X */
#ifdef PROTOS
int parse_ord(int ord,
X          int val,
X          char **pword)
#else
int parse_ord(ord, val, pword)
X    int ord;        /* valid ordinal code - from get_ordinal() */
X    int val;        /* ordinal value - also from get_ordinal() */
X    char **pword;        /* pointer to word after ordinal */
#endif
{
X    int wkd, mon, mm, dd, len, (*pfcn)(), doit;
X    int val_first, val_last, val_incr, mon_first, mon_last;
X    DATE *pdate, date;
X
X    if ((wkd = get_weekday(*pword, TRUE)) == NOT_WEEKDAY ||    /* weekday */
X        *++pword == NULL ||                    /* any word */
X        (mon = get_month(*++pword, FALSE, TRUE)) == NOT_MONTH) /* month */
X        return PARSE_INVLINE;
X
X    /* set up loop boundaries for month loop */
X
X    mon_first = mon == ALL_MONTHS || mon == ENTIRE_YEAR ? JAN : mon;
X    mon_last  = mon == ALL_MONTHS || mon == ENTIRE_YEAR ? DEC : mon;
X
X    pdate = dates;            /* start of date array */
X
X    /* special case of "all|odd|even <wildcard> in <month>|all|year" */
X
X    if ((ord == ORD_ALL || ord == ORD_EVEN || ord == ORD_ODD) &&
X        IS_WILD(wkd)) {
X        pfcn = pdatefcn[wkd - ANY_DAY];
X        doit = ord != ORD_EVEN;
X        for (mm = mon_first; mm <= mon_last; mm++) {
X            len = LENGTH_OF(mm, curr_year);
X            if (mon != ENTIRE_YEAR)
X                doit = ord != ORD_EVEN;
X            for (dd = 1; dd <= len; dd++)
X                if ((*pfcn)(mm, dd, curr_year)) {
X                    if (doit)
X                        ADD_DATE(mm, dd, curr_year);
X                    if (ord != ORD_ALL)
X                        doit = ! doit;
X                }
X        }
X    }
X
X    /* special case of "odd|even <weekday> in year" */
X
X    else if ((ord == ORD_EVEN || ord == ORD_ODD) && mon == ENTIRE_YEAR) {
X        date.mm = JAN;            /* starting date */
X        date.dd = calc_day(ord == ORD_EVEN ? 2 : 1, wkd, JAN);
X        date.yy = curr_year;
X        do {                /* alternates throughout year */
X            ADD_DATE(date.mm, date.dd, date.yy);
X            date.dd += 14;
X            normalize(&date);
X        } while (date.yy == curr_year);
X    }
X
X    /* special case of "<ordinal>|last <weekday>|<wildcard> in year" */
X
X    else if ((ord == ORD_NEGNUM || ord == ORD_POSNUM) &&
X             mon == ENTIRE_YEAR) {
X        if (calc_year_day(val, wkd, &date))
X            ADD_DATE(date.mm, date.dd, date.yy);
X    }
X
X    /* all other combinations of ordinal and day */
X
X    else {
X        /* set up loop boundaries for "wildcard" ordinals */
X
X        val_first = ord == ORD_ALL || ord == ORD_ODD ? 1 :
X                ord == ORD_EVEN ? 2 : val;
X        val_last  = ord == ORD_ALL || ord == ORD_ODD ? 5 :
X                ord == ORD_EVEN ? 4 : val;
X        val_incr  = ord == ORD_ODD || ord == ORD_EVEN ? 2 : 1;
X
X        for (mm = mon_first; mm <= mon_last; mm++)
X            for (val = val_first; val <= val_last; val += val_incr)
X                if ((dd = calc_day(val, wkd, mm)) != 0)
X                    ADD_DATE(mm, dd, curr_year);
X    }
X
X    TERM_DATES;        /* terminate array with null entry */
X    return PARSE_OK;
X
}
X
X
/*
X * parse_rel - parse a relative date spec (e.g. "Friday after fourth Thursday
X * in November", "Saturday after first Friday in all"; return PARSE_OK if
X * line syntax valid, PARSE_INVLINE if not.  Transform all dates that match
X * the base date to the appropriate day, month, and year.
X *
X * This calls parse_date() recursively in order to handle cases such as
X * "Friday after Tuesday before last day in all".
X */
#ifdef PROTOS
int parse_rel(int wkd,
X          char **pword,
X          int *ptype,
X          char ***pptext)
#else
int parse_rel(wkd, pword, ptype, pptext)
X    int wkd;        /* valid weekday code - from get_weekday() */
X    char **pword;        /* pointer to word after weekday */
X    int *ptype;        /* return text type (holiday/non-holiday) */
X    char ***pptext;        /* return pointer to first word of text */
#endif
{
X    int prep, rtn, base_wkd, incr, (*pfcn)();
X    DATE *pd;
X
X    /* we have the weekday - now look for the preposition */
X    if ((prep = get_prep(*pword++)) == PR_OTHER)
X        return PARSE_INVLINE;
X
X    /* get the base date */
X    if ((rtn = parse_date(pword, ptype, pptext)) != PARSE_OK)
X        return rtn;
X
X    /* transform date array in place - note that the relative date may
X       not be in the same month or even year */
X
X    if (IS_WILD(wkd)) {        /* wildcard for weekday name? */
X        pfcn = pdatefcn[wkd - ANY_DAY];
X        incr = prep == PR_BEFORE || prep == PR_ON_BEFORE ? -1 : 1;
X
X        for (pd = dates; pd->mm; pd++) {
X            /* search for nearest matching date */
X
X            if (prep == PR_BEFORE || prep == PR_AFTER) {
X                pd->dd += incr;
X                normalize(pd);
X            }
X            while (!(*pfcn)(pd->mm, pd->dd, pd->yy)) {
X                pd->dd += incr;
X                normalize(pd);
X            }
X        }
X
X    } else  {            /* explicit weekday name */
X        for (pd = dates; pd->mm; pd++) {
X            /* calculate nearest matching date */
X
X            base_wkd = calc_weekday(pd->mm, pd->dd, pd->yy);
X
X            if (prep == PR_BEFORE ||
X                (prep == PR_ON_BEFORE && wkd != base_wkd))
X                pd->dd -= 7 - (wkd - base_wkd + 7) % 7;
X
X            if (prep == PR_AFTER ||
X                (prep == PR_ON_AFTER && wkd != base_wkd))
X                pd->dd += (wkd - base_wkd + 6) % 7 + 1;
X
X            normalize(pd);    /* adjust for month/year crossing */
X        }
X    }
X
X    return PARSE_OK;
}
X
X
/*
X * parse_date - parse a date specification in any of its myriad forms; upon
X * return, array dates[] will contain a list of all the dates that matched,
X * terminated by a null entry.  Also fill in the date type (holiday/non-
X * holiday) code and the pointer to the first word of text.
X */
#ifdef PROTOS
int parse_date(char **pword,
X           int *ptype,
X           char ***pptext)
#else
int parse_date(pword, ptype, pptext)
X    char **pword;        /* first word to parse */
X    int *ptype;        /* return date type (holiday/non-holiday) */
X    char ***pptext;        /* return pointer to first word of text */
#endif
{
X    int mm, dd, yy;
X    int token, n, v, ord, val, wkd, rtn;
X    DATE *pdate;
X    char *cp;
X
X    pdate = dates;
X
X    switch (token = date_type(*pword, &n, &v)) {
X
X    case DT_MONTH:        /* <month> dd */
X        if (date_style != USA_DATES)
X            return PARSE_INVLINE;
X
X        if ((cp = *++pword) == NULL)
X            return PARSE_INVLINE;
X
X        ADD_DATE(n, atoi(cp), curr_year);
X        TERM_DATES;
X
X        break;
X
X    case DT_DATE:        /* mm/dd{/yy} | dd/mm{/yy} */
X        n = split_date(*pword,
X                   date_style == USA_DATES ? &mm : &dd,
X                   date_style == USA_DATES ? &dd : &mm,
X                   &yy);
X
X        if (n > 2) {            /* year present? */
X            if (yy < 100)
X                yy += CENTURY;
X            curr_year = yy;        /* reset current year */
X        }
X
X        ADD_DATE(mm, dd, curr_year);
X        TERM_DATES;
X
X        break;
X
X    case DT_EURDATE:    /* dd [ <month> | "all" ] */
X        if (date_style != EUR_DATES)
X            return PARSE_INVLINE;
X
X        dd = atoi(*pword);
X
X        if (get_keywd(*++pword) == DT_ALL) {
X            for (mm = JAN; mm <= DEC; mm++)        /* wildcard */
X                ADD_DATE(mm, dd, curr_year);
X        }
X        else {                        /* one month */
X            if ((mm = get_month(*pword, FALSE, FALSE)) == NOT_MONTH)
X                return PARSE_INVLINE;
X
X            ADD_DATE(mm, dd, curr_year);
X        }
X
X        TERM_DATES;
X        break;
X
X    case DT_ALL:        /* "all" <weekday> "in" [ <month> | "all" ] */
X                /* or "all" <day>" */
X
X        if ((cp = *(pword+1)) && (*(cp += strspn(cp, DIGITS)) == '\0' ||
X            *cp == '*')) {
X            dd = atoi(*++pword);        /* "all" <day> */
X            for (mm = JAN; mm <= DEC; mm++)
X                ADD_DATE(mm, dd, curr_year);
X            TERM_DATES;
X            break;        /* leave switch */
X        }
X
X        n = ORD_ALL;    /* "all" <weekday> ... */
X        v = 0;
X         /* fall through */
X
X    case DT_ORDINAL:    /* <ordinal> <weekday> in [ <month> | "all" ] */
X        ord = n;
X        val = v;
X        if ((rtn = parse_ord(ord, val, pword + 1)) != PARSE_OK)
X            return rtn;
X
X        pword += 3;        /* last word of date */
X        break;
X
X    case DT_WEEKDAY:    /* <weekday> <prep> <date> */
X        wkd = n;
X
X        /* parse_rel() calls parse_date() recursively */
X        return parse_rel(wkd, ++pword, ptype, pptext);
X        break;
X
X    default:
X        return PARSE_INVLINE;
X        break;
X    }
X
X    /* at this point, pword points to the last component of the date;
X     * fill in type code and pointer to following word (start of text)
X     */
X    *ptype = LASTCHAR(*pword) == '*' ? HOLIDAY_TEXT : DAY_TEXT;
X    *pptext = ++pword;
X
X    return PARSE_OK;
}
X
/*
X * parse - parse non-preprocessor lines in date file
X *
X * This routine parses "year", "opt", "note", and date entries in the date
X * file.  It calls parse_date() to parse date entries (and enter the date(s)
X * matched in global array "dates"), and then calls enter_day_info() to
X * enter each date found (and its associated text) in the date file.
X *
X * N.B.: "inc" and other cpp-like lines are handled in read_datefile().
X *
X */
#ifdef PROTOS
int parse(char **pword,
X      char *filename)
#else
int parse(pword, filename)
X    char **pword;        /* pointer to first word to parse */
X    char *filename;        /* name of file (for error messages) */
#endif
{
X    register char *cp;
X    char **ptext;
X    int mm, yy;
X    int text_type, n, v, rtn, match;
X    int token;
X    DATE *pd;
X
X    /*
X     * Get first field and call date_type() to decode it
X         */
X    cp = *pword;
X
X    switch (token = date_type(cp, &n, &v)) {
X
X    case DT_YEAR:
X        if ((cp = *++pword) != NULL && (yy = atoi(cp)) > 0) {
X            if (yy < 100)
X                yy += CENTURY;
X            curr_year = yy;
X            return PARSE_OK;
X        }
X        return PARSE_INVLINE;    /* year missing or non-numeric */
X        break;
X
X    case DT_OPT:
X         if (!get_args(pword, P_OPT, filename)) {
X            usage(stderr, FALSE);
X            exit(EXIT_FAILURE);
X        }
X        return PARSE_OK;
X        break;
X
X    case DT_NOTE:
X        if ((mm = get_month(*++pword, TRUE, TRUE)) == NOT_MONTH)
X            return PARSE_INVLINE;
X
X        if (mm == ALL_MONTHS || mm == ENTIRE_YEAR)    /* "note all"? */
X            for (mm = JAN; mm <= DEC; mm++)
X                enter_day_info(mm, NOTE_DAY, curr_year,
X                    NOTE_TEXT, pword+1);
X        else
X            enter_day_info(mm, NOTE_DAY, curr_year, NOTE_TEXT,
X                pword+1);
X
X        return PARSE_OK;
X        break;
X
X    case DT_OTHER:        /* unrecognized token */
X        return PARSE_INVLINE;
X        break;
X
X    /* assume anything else is a date */
X
X    default:
X        if ((rtn = parse_date(pword, &text_type, &ptext)) == PARSE_OK) {
X            match = FALSE;    /* is at least one date valid? */
X            for (pd = dates; pd->mm; pd++)
X                match |= enter_day_info(pd->mm, pd->dd, pd->yy,
X                           text_type, ptext) == PARSE_OK;
X            rtn = match ? PARSE_OK : PARSE_INVDATE;
X        }
X        return rtn;
X        break;
X
X    }
}
SHAR_EOF
chmod 0644 readfile.c ||
echo 'restore of readfile.c failed'
Wc_c="`wc -c < 'readfile.c'`"
test 27599 -eq "$Wc_c" ||
    echo 'readfile.c: original size 27599, current size' "$Wc_c"
fi
# ============= writefil.c ==============
if test -f 'writefil.c' -a X"$1" != X"-c"; then
    echo 'x - skipping writefil.c (File already exists)'
else
echo 'x - extracting writefil.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'writefil.c' &&
/*
X * writefil.c - Pcal routines concerned with writing the PostScript output
X *
X * Contents:
X *
X *        def_footstring
X *        find_daytext
X *        find_holidays
X *        print_julian_info
X *        print_month
X *        print_moon_info
X *        print_text
X *        print_word
X *        write_psfile
X *
X * Revision history:
X *
X *    4.0    AWR    01/28/91    Support -B, -w flags and moon file
X *
X *            01/15/91    Extracted from pcal.c
X *
X */
X
/*
X * Standard headers:
X */
X
#include <stdio.h>
#include <ctype.h>
X
/*
X * Pcal-specific definitions:
X */
X
#include "pcaldefs.h"
#include "pcalglob.h"
#include "pcallang.h"
#include "pcalinit.h"        /* PostScript boilerplate */
X
/*
X * Macros:
X */
X
/* convert "ph" (approximate quarter moon) to exact quarter moon */
#define EXACT_QUARTER(ph)    ((((int) (((ph) + .05) * 4.0)) % 4) / 4.0)
X
/* make sure printf() doesn't round "ph" up to 1.0 when printing it */
#define PRT_TWEAK(ph)        ((ph) >= 0.9995 ? 0.0 : (ph))
X
/*
X * Globals:
X */
X
static char *cond[3] = {"false", "true", "(some)"};
X
X
/*
X * write_psfile - write PostScript code to stdout
X *
X * The actual output of the PostScript code is straightforward.  This routine
X * writes a PostScript header followed by declarations of all the PostScript
X * variables affected by command-line flags and/or language dependencies.  It
X * the generates the PostScript boilerplate generated from pcalinit.ps, and
X * finally calls print_month() to generate the PostScript code for each
X * requested month.
X */
#ifdef PROTOS
void write_psfile(int month,
X          int year,
X          int nmonths)
#else
void write_psfile(month, year, nmonths)
X    int month;            /* starting month   */
X    int year;            /* starting year    */
X    int nmonths;            /* number of months */
#endif
{
X    int i, ngray;
X    char **ap, tmp[20];
X
X    /*
X     * Write out PostScript prolog
X     */
X
X     PRT("%%!\n%%\t");
X    PRT(VERSION_MSG, progname, version);
X    if (*datefile)
X        PRT(DATEFILE_MSG, datefile);
X    PRT("\n%%\n");
X
X    /* font names */
X
X    PRT("/titlefont /%s def\n/dayfont /%s def\n/notesfont /%s def\n",
X        titlefont, dayfont, notesfont);
X
X    /* foot strings */
X
X    def_footstring(lfoot, 'L');
X    def_footstring(cfoot, 'C');
X    def_footstring(rfoot, 'R');
X
X    /* month names */
X
X    PRT("/month_names [");
X    for (i = JAN; i <= DEC; i++) {
X        PRT(i % 6 == 1 ? "\n\t" : " ");
X        (void) print_word(months[i-1]);
X    }
X    PRT(" ] def\n");
X
X    /* day names - abbreviate if printing entire year on page */
X
X    PRT("/day_names [");
X    for (i = SUN; i <= SAT; i++) {
X        PRT(i % 6 == 0 && ! do_whole_year ? "\n\t" : " ");
X        strcpy(tmp, days[(i + first_day_of_week) % 7]);
X        if (do_whole_year)
X            tmp[MIN_DAY_LEN] = '\0';
X        (void) print_word(tmp);
X        }
X    PRT(" ] def\n");
X
X    /* title for "notes" box */
X
X    PRT("/notesheading (");
X    PUTSTR(NOTES_HDR);
X    PRT(") def\n");
X
X    /* line separator */
X
X    PRT("/linesep ");
X    print_word(LINE_SEP);
X    PRT(" def\n");
X
X    /* colors (black/gray) to print weekdays and holidays */
X
X    PRT("/day_gray [");
X    for (ngray = 0, i = SUN; i <= SAT; ngray += day_color[i++] == GRAY)
X        PRT(" %s", cond[day_color[(i + first_day_of_week) % 7]]);
X    PRT(" ] def\n");
X    PRT("/holiday_gray %s def\n", cond[ngray <= 3]);
X
X     /* rotation, scale, and translate values. */
X
X     PRT("/rval %d def\n", rotate);
X     PRT("/xsval %s def\n/ysval %s def\n", xsval, ysval);
X     PRT("/xtval %s def\n/ytval %s def\n", xtval, ytval);
X
X    /* moon, Julian date, box fill, and outline flags */
X
X    PRT("/draw-moons %s def\n", cond[draw_moons]);
X    PRT("/julian-dates %s def\n", cond[julian_dates]);
X    PRT("/fill-boxes %s def\n", cond[! blank_boxes]);
X    PRT("/outline %s def\n", cond[outline_nums]);
X
X    /* PostScript boilerplate (part 1 of 1) */
X
X    for (ap = header; *ap; ap++)
X        PRT("%s\n", *ap);
X    PRT("\n");
X
X    /*
X     * Write out PostScript code to print calendars
X     */
X
X    if (do_whole_year)    /* round up to multiple of 12 months */
X        nmonths = ((nmonths + 11) / 12) * 12;
X
X    while (nmonths--) {
X        print_month(month, year);
X        year = NEXT_YEAR(month, year);
X        month = NEXT_MONTH(month, year);
X    }
X
}
X
X
/*
X * low-level utilities for PostScript generation
X */
X
X
/*
X * print_word - print a single word, representing parentheses and non-ASCII
X * characters as octal literals; return pointer to character following word
X * (NULL if no word follows)
X */
#ifdef PROTOS
char *print_word(char *p)
#else
char *print_word(p)
X    char *p;
#endif
{
X    char c;
X
X    if (*p == '\0' || *(p += strspn(p, WHITESPACE)) == '\0')
X        return NULL;
X
X    PRT("(");
X    for ( ; (c = *p) && !isspace(c); p++)
X        PUTCHAR(c);
X    PRT(")");
X
X    return p;
}
X
X
/*
X * print_text - print tokens in text (assumed separated by single blank)
X * in PostScript format
X */
#ifdef PROTOS
void print_text(char *p)
#else
void print_text(p)
X    char *p;
#endif
{
X
X    while (p = print_word(p))
X        PRT(" ");
}
X
X
/*
X * def_footstring - print definition for foot string, again converting
X * all characters other than letters, digits, or space to octal escape
X */
#ifdef PROTOS
void def_footstring(char *p,
X            char c)
#else
void def_footstring(p, c)
X    char *p;            /* definition */
X    char c;                /* L, C, or R */
#endif
{
X
X    PRT("/%cfootstring (", c);
X    PUTSTR(p);
X    PRT(") def\n");
}
X
X
/*
X * Routines to extract and print data
X */
X
X
/*
X * find_daytext - find and print the day (including notes) or holiday text
X * for the specified month/year
X */
#ifdef PROTOS
void find_daytext(int month,
X          int year,
X          int is_holiday)
#else
void find_daytext(month, year, is_holiday)
X    int month, year;
X    int is_holiday;        /* TRUE: print holiday text */
#endif
{
X    register int day;
X    year_info *py;
X    month_info *pm;
X    register day_info *pd;
X    int first;
X    char *fcn = is_holiday ? "holidaytext" : "daytext";
X
X    /* if no text for this year and month, return */
X
X    if ((py = find_year(year, FALSE)) == NULL ||
X        (pm = py->month[month-1]) == NULL)
X        return;
X
X    /* walk array of day text pointers and linked lists of text */
X
X    for (day = 1; day <= NOTE_DAY; day++) {
X        for (pd = pm->day[day-1], first = TRUE;
X             pd;
X             pd = pd->next) {
X            if (pd->is_holiday != is_holiday)
X                continue;
X            if (first) {
X                if (day != NOTE_DAY)    /* set up call */
X                    PRT("%d ", day);
X                printf("[ \n");
X            }
X            else {
X                PRT("\n");
X                print_word(LINE_SEP);    /* separate lines */
X                PRT("\n");
X            }
X            print_text(pd->text);
X            first = FALSE;
X        }
X        if (! first)        /* wrap up call (if one made) */
X            PRT("\n] %s\n", day == NOTE_DAY ? "notetext" : fcn);
X    }
}
X
X
/*
X * find_holidays - find and print the note block flag and holidays for
X * specified month/year
X */
#ifdef PROTOS
void find_holidays(int month,
X           int year)
#else
void find_holidays(month, year)
X    int month, year;
#endif
{
X    register int day;
X    register unsigned long holidays;
X    year_info *py;
X    month_info *pm;
X
X    pm = (py = find_year(year, FALSE)) ? py->month[month-1] : NULL;
X
X    if (! do_whole_year)
X         PRT("/note_block %s def\n", cond[pm && pm->day[NOTE_DAY-1]]);
X
X    PRT("/holidays [");    /* start definition of list */
X
X    for (holidays = pm ? pm->holidays : 0, day = 1;
X         holidays;
X         holidays >>= 1, day++)
X        if (holidays & 01)
X            PRT(" %d", day);
X
X    PRT(" ] def\n");
X
}
X
X
/*
X * print_moon_info - print the information necessary to draw moons.  If
X * printing moons on all days, print the phase for each day; if printing
X * only quarter moons, tweak the phase to an exact quarter (so the icon
X * is printed correctly) and generate a list of the quarter-moon dates
X */
#ifdef PROTOS
void print_moon_info(int month,
X             int year)
#else
void print_moon_info(month, year)
X    int month, year;
#endif
{
X    int n, ndays, day, is_q;
X    char *p;
X    unsigned long qdays;
X    double phase;
X
X    if (draw_moons == NO_MOONS)
X        return;
X
X    /* print the phase of the moon for each day of the month */
X
X    PRT("/moon_phases [\t\t%% from %s\n\t",
X        (p = find_moonfile(year)) ? p : "algorithm");
X
X    for (n = 0, qdays = 0L, day = 1, ndays = LENGTH_OF(month, year);
X         day <= ndays;
X         day++) {
X        phase = find_phase(month, day, year, &is_q);
X        if (draw_moons == SOME_MOONS && is_q)
X            phase = EXACT_QUARTER(phase);
X        if (draw_moons == ALL_MOONS || is_q)
X            PRT("%.3f%s", PRT_TWEAK(phase), ++n % 10 == 0 ?
X                "\n\t" : " ");
X        if (is_q)
X            qdays |= 1L << (day - 1);
X        }
X    PRT("] def\n");
X
X    /* if drawing only quarter moons, print days when they occur */
X
X    if (draw_moons == SOME_MOONS) {
X        PRT("/quarter_moons [ ");
X        for (day = 1; qdays; day++, qdays >>= 1)
X            if (qdays & 01)
X                PRT("%d ", day);
X        PRT("] def\n");
X    }
}
X
X
/*
X * print_julian_info - print the information necessary to print Julian dates
X */
#ifdef PROTOS
void print_julian_info(int month,
X               int year)
#else
void print_julian_info(month, year)
X    int month, year;
#endif
{
X
X    if (julian_dates != NO_JULIANS)
X        PRT("/jdstart %d def\n", DAY_OF_YEAR(month, 1, year));
X    if (julian_dates == ALL_JULIANS)
X        PRT("/yearlen %d def\n", YEAR_LEN(year));
}
X
X
/*
X * print_month - generate calendar for specified month/year
X */
#ifdef PROTOS
void print_month(int month,
X         int year)
#else
void print_month(month, year)
X    int month, year;
#endif
{
X    static int nmonths = 0;
X
X    PRT("/year %d def\n", year);        /* set up year and month */
X    PRT("/month %d def\n", month);
X    PRT("/startday %d def\n",
X        (FIRST_OF(month, year) - first_day_of_week + 7) % 7);
X    PRT("/ndays %d def\n", LENGTH_OF(month, year));
X
X    find_holidays(month, year);        /* make list of holidays */
X
X    /* are we printing 12 months per page or only one? */
X
X    if (do_whole_year) {
X        PRT("/posn %d def\n", nmonths % 12);    /* location on page */
X        PRT("printmonth_%c\n", rotate == LANDSCAPE ? 'l' : 'p');
X        if (++nmonths % 12 == 0)
X            PRT("showpage\n");
X    }
X    else {
X        /* generate lengths of previous and next months */
X        PRT("/lndays %d def\n", LENGTH_OF(PREV_MONTH(month, year),
X                    PREV_YEAR(month, year)));
X        PRT("/nndays %d def\n", LENGTH_OF(NEXT_MONTH(month, year),
X                    NEXT_YEAR(month, year)));
X
X        print_julian_info(month, year);        /* Julian date info */
X        print_moon_info(month, year);        /* moon info */
X
X        PRT("printmonth\n");
X        find_daytext(month, year, TRUE);    /* holiday text */
X        find_daytext(month, year, FALSE);    /* day and note text */
X        PRT("showpage\n");
X    }
}
SHAR_EOF
chmod 0644 writefil.c ||
echo 'restore of writefil.c failed'
Wc_c="`wc -c < 'writefil.c'`"
test 9889 -eq "$Wc_c" ||
    echo 'writefil.c: original size 9889, current size' "$Wc_c"
fi
exit 0