/*
 * glob.c
 */

/*
 * mpage:	a program to reduce pages of print so that several pages
 * 	  	of output appear on one printed page.
 *
 * Copyright (c) 1994-2004 Marcel J.E. Mol, The Netherlands
 * Copyright (c) 1988 Mark P. Hahn, Herndon, Virginia
 *  
 *     Permission is granted to anyone to make or distribute verbatim
 *     copies of this document as received, in any medium, provided
 *     that this copyright notice is preserved, and that the
 *     distributor grants the recipient permission for further
 *     redistribution as permitted by this notice.
 *
 */

#include "mpage.h"

/*
 * to turn on debugging, define the preprocessor macro DEBUG and set
 * the variable Debug_flag to the sum of the sections to debug.
 */
# ifdef DEBUG
int Debug_flag = DB_PSMPAGE;
# endif


/*
 * some basic PS parameters
 */
int ps_width;	/* number of points in the X direction see set_page() */
int ps_height;	/* number of points in the Y direction */
char *media;	/* name of output media */

struct page_desc paper[] = {
    { "Letter",       612,  792 }, /* 8.5 x 11 in */
    { "LetterSmall",  612,  792 },
    { "Tabloid",      792, 1224 },
    { "Ledger",      1224,  792 }, /* 8.5 x 14 in */
    { "Legal",        612, 1008 },
    { "Statement",    396,  612 },
    { "Executive",    540,  720 },
    { "A0",           2384, 3368 },  /* 840 x 1188 mm */
    { "A1",           1684, 2384 },  /* 594 x 840 mm */
    { "A2",           1192, 1684 },  /* 420 x 594 mm */
/*    { "A3",           842, 1190 }, */
    { "A3",           842, 1192 },  /* 297 x 420 mm */
/* ISO 216 conforming says 595x841 ... */
/*    { "A4",           595,  842 }, */
    { "A4",           596,  842 },  /* 210 x 297 mm */
    { "A4Small",      595,  842 },
    { "A5",           420,  595 },
    { "B4",           729, 1032 },
    { "B5",           516,  729 },
    { "Folio",        612,  936 },
    { "Quarto",       610,  780 },
    { "10x14",        720, 1008 },
    { (char *) NULL,    0,    0 }
};

/*
 * the structures describe where to put the reduced pages of output on the
 * printed page.
 */
/* empty page */
struct pagepoints points_empty[] = {
	{  0,  0,  0 }
};
/* base point for one page, normal aspect */
struct pagepoints one_normal[] = {
	{ xbase1, ybase1,  0 },
	{  0,  0,  0 }
};
/* base points for two pages, normal aspect */
struct pagepoints two_normal[] = {
	{ xbase1, ytop4,  0 },	{ xbase1 , ytop2,  0 },
	{  0,  0,  0 }
};

/* GPN outside 2 pages */
struct pagepoints two_normal_co[] =   {
	   {xbase1, ytop2, 0},	{0, 0, SKIP_PS},
	   {0,  0,  SKIP_PS},		{xbase1, ytop4, 0},
	   {0,  0,  0}

};
/* GPN. inside 2 pages */
struct pagepoints two_normal_ci[] =   {
	   {0, 0, SKIP_PS},		{xbase1, ytop4, 0},
	   {xbase1, ytop2, 0},	{0, 0, SKIP_PS},
	   {0,  0,  0}
};

/* GPN. all 4 pages */
struct pagepoints four_normal_dm[] =   {
           {xbase1, ytop2, STORE_PS}, {xbase1, ytop4, 0},
           {xbase1, ytop2, 0},  {0, 0, 0}, {xbase1, ytop4, FLUSH_PS},
           {0,  0,  0}
};

/* base points for four pages, normal aspect, running reduced pages
 * read from left to right */
struct pagepoints lr_four_normal[] = {
  	{ xbase1, ybase3,  0 },	{ xbase2, ybase3,  0 },
	{ xbase1, ybase1,  0 },	{ xbase2, ybase1,  0 },
	{  0,  0,  0 }
};
/* base points for four pages, normal aspect, running reduced pages
 * read from top to bottom (up/down) */
struct pagepoints ud_four_normal[] = {
  	{ xbase1, ybase3,  0 },	{ xbase1, ybase1,  0 },
	{ xbase2, ybase3,  0 },	{ xbase2, ybase1,  0 },
	{  0,  0,  0 }
};
/* base points for four pages, normal aspect, running reduced pages
 * read from left to right, adjusting for the fact that we have a landscape
 * input */
struct pagepoints land_lr_four_normal[] =
{
	{ xbase1, ybase1,  0 }, { xbase1, ybase3,  0 },
	{ xbase2, ybase1,  0 }, { xbase2, ybase3,  0 },
	{ 0,  0,  0}
};
/* base points for four pages, normal aspect, running reduced pages
 * read from top to bottom (up/down), adjusting for the fact that we have a
 * landscape input */
struct pagepoints land_ud_four_normal[] =
{
	{ xbase1, ybase1,  0 }, { xbase2, ybase1,  0 },
	{ xbase1, ybase3,  0 }, { xbase2, ybase3,  0 },
	{ 0,  0,  0}
};
/* base points for eight pages, normal aspect, running reduced pages
 * read from left to right */
struct pagepoints lr_eight_normal[] = {
	{ xbase2, ytop4,  0 },	{ xbase2, ytop3,  0 },
	{ xbase2, ytop2,  0 },	{ xbase2, ytop1,  0 },
	{ xbase1, ytop4,  0 },	{ xbase1, ytop3,  0 },
	{ xbase1, ytop2,  0 },	{ xbase1, ytop1,  0 },
	{  0,  0,  0 }
};
/* base points for eight pages, normal aspect, running reduced pages
 * read from top to bottom (up/down) */
struct pagepoints ud_eight_normal[] = {
	{ xbase2, ytop4,  0 },	{ xbase1, ytop4,  0 },
	{ xbase2, ytop3,  0 },	{ xbase1, ytop3,  0 },
	{ xbase2, ytop2,  0 },	{ xbase1, ytop2,  0 },
	{ xbase2, ytop1,  0 },	{ xbase1, ytop1,  0 },
	{  0,  0,  0 }
};
/* base points for eight pages, normal aspect, running reduced pages
 * read from left to right, adjusting for the fact that we have a landscape
 * input */
struct pagepoints land_lr_eight_normal[] =
{
	{ xbase1, ytop4,  0 },  { xbase2, ytop4,  0 },
	{ xbase1, ytop3,  0 },  { xbase2, ytop3,  0 },
	{ xbase1, ytop2,  0 },  { xbase2, ytop2,  0 },
	{ xbase1, ytop1,  0 },  { xbase2, ytop1,  0 },
	{ 0,  0,  0 }
};
/* base points for eight pages, normal aspect, running reduced pages
 * read from top to bottom (up/down), adjusting for the fact that we have a
 * landscape input */
struct pagepoints land_ud_eight_normal[] =
{
	{ xbase1, ytop4,  0 },  { xbase1, ytop3,  0 },
	{ xbase1, ytop2,  0 },  { xbase1, ytop1,  0 },
	{ xbase2, ytop4,  0 },  { xbase2, ytop3,  0 },
	{ xbase2, ytop2,  0 },  { xbase2, ytop1,  0 },
	{ 0,  0,  0}
};
/* base point for one page, in landscape */
struct pagepoints one_landscape[] = {
  	{ xbase1, ytop4,  0 },
	{  0,  0,  0 }
};
/* base points for two pages, in landscape */
struct pagepoints two_landscape[] = {
  	{ xbase1, ybase3,  0 },	{ xbase1, ybase1,  0 },
	{  0,  0,  0 }
};
/* base points for four pages, in landscape, running reduced pages
 * read from left to right */
struct pagepoints lr_four_landscape[] = {
  	{ xbase2, ytop4,  0 },	{ xbase2, ytop2,  0 },
	{ xbase1, ytop4,  0 },	{ xbase1, ytop2,  0 },
	{  0,  0,  0 }
};
/* base points for four pages, in landscape, running reduced pages
 * read from top to bottom (up/down) */
struct pagepoints ud_four_landscape[] = {
  	{ xbase2, ytop4,  0 },	{ xbase1, ytop4,  0 },
  	{ xbase2, ytop2,  0 },	{ xbase1, ytop2,  0 },
	{  0,  0,  0 }
};
/* base points for eight pages, in landscape, running reduced pages
 * read from left to right */
struct pagepoints lr_eight_landscape[] = {
	{ xbase1, ybase4,  0 },	{ xbase2, ybase4,  0 },
	{ xbase1, ybase3,  0 },	{ xbase2, ybase3,  0 },
	{ xbase1, ybase2,  0 },	{ xbase2, ybase2,  0 },
	{ xbase1, ybase1,  0 },	{ xbase2, ybase1,  0 },
	{  0,  0,  0 }
};
/* base points for eight pages, in landscape, running reduced pages
 * read from top to bottom (up/down) */
struct pagepoints ud_eight_landscape[] = {
	{ xbase1, ybase4,  0 },	{ xbase1, ybase3,  0 },
	{ xbase1, ybase2,  0 },	{ xbase1, ybase1,  0 },
	{ xbase2, ybase4,  0 },	{ xbase2, ybase3,  0 },
	{ xbase2, ybase2,  0 },	{ xbase2, ybase1,  0 },
	{  0,  0,  0 }
};

/* list of sheets (printed page formats) for
 * left to right reading, in normal aspect */
struct sheet lr_normal[] = {
/* 0 */	{ 80, 66, xwid1, yht1,    0, outline_1, one_normal },
/* 1 */	{ 80, 66, yht2,  xwid1, -90, outline_2, two_normal },
/* 2 */	{ 80, 66, xwid2, yht2,    0, outline_4, lr_four_normal },
/* 3 */	{ 80, 66, yht4,  xwid2, -90, outline_8, lr_eight_normal },
};

/* list of sheets (printed page formats) for landscape input
 * left to right reading, in normal aspect */
struct sheet land_lr_normal[] = {
/* 0 */ { 80, 66, xwid1, yht1,    0, outline_1, one_normal },
/* 1 */ { 80, 66, yht2,  xwid1, -90, outline_2, two_normal },
/* 2 */ { 80, 66, xwid2, yht2,    0, outline_4, land_lr_four_normal },
/* 3 */ { 80, 66, yht4,  xwid2, -90, outline_8, land_lr_eight_normal },
};

/* list of sheets (printed page formats) for
 * top to bottom reading, in normal aspect */
struct sheet ud_normal[] = {
/* 0 */	{ 80, 66, xwid1, yht1,    0, outline_1, one_normal },
/* 1 */	{ 80, 66, yht2,  xwid1, -90, outline_2, two_normal },
/* 2 */	{ 80, 66, xwid2, yht2,    0, outline_4, ud_four_normal },
/* 3 */	{ 80, 66, yht4,  xwid2, -90, outline_8, ud_eight_normal },
};

/* list of sheets (printed page formats) for
 * left to right reading, in landscape */
struct sheet lr_landscape[] = {
/* 0 */	{ 132, 52, yht1,  xwid1, -90, outline_1, one_landscape },
/* 1 */	{ 132, 52, xwid1, yht2,    0, outline_2, two_landscape },
/* 2 */	{ 132, 52, yht2,  xwid2, -90, outline_4, lr_four_landscape },
/* 3 */	{ 132, 52, xwid2, yht4,    0, outline_8, lr_eight_landscape },
};

/* list of sheets (printed page formats) for
 * top to bottom reading, in landscape */
struct sheet ud_landscape[] = {
/* 0 */	{ 132, 52, yht1,  xwid1, -90, outline_1, one_landscape },
/* 1 */	{ 132, 52, xwid1, yht2,    0, outline_2, two_landscape },
/* 2 */	{ 132, 52, yht2,  xwid2, -90, outline_4, ud_four_landscape },
/* 3 */	{ 132, 52, xwid2, yht4,    0, outline_8, ud_eight_landscape },
};
	      
/* list of sheets (printed page formats) for landscape input
 * top to bottom reading, in landscape */
struct sheet land_ud_normal[] = {
/* 0 */ { 80, 66, xwid1, yht1,    0, outline_1, one_normal },
/* 1 */ { 80, 66, yht2,  xwid1, -90, outline_2, two_normal },
/* 2 */ { 80, 66, xwid2, yht2,    0, outline_4, land_ud_four_normal },
/* 3 */ { 80, 66, yht4,  xwid2, -90, outline_8, land_ud_eight_normal },
};

/* GPN. sheet */
struct sheet coli [] =   {
  	/* 1 */ { 80, 66, yht2,  xwid1, -90, outline_2, two_normal_co },
  	/* 2 */ { 80, 66, yht2,  xwid1, -90, outline_2, two_normal_ci },
        /* 3 */ { 80, 66, yht2,  xwid1, -90, outline_2, four_normal_dm },
};

/* array of sheet lists for left to right reading printed pages */
struct sheet *left_right[] = {
	lr_normal,
	lr_landscape,
	land_lr_normal
  };

/* arrays for top to bottom reading printed pages */
struct sheet *up_down[] = {
	ud_normal,
	ud_landscape,
	land_ud_normal
  };

/*
 * Variables for holding the chosen options,  The defaults are set here.
 * the sheetlist pointer is set to point to the array for either up/down
 * or left/right reading.  This array is index by sheetorder, and then
 * sheetindex.  sheetindex encodes the number of reduced pages per printed
 * page and indexes into the sheet list (0 = 1 page, 1 = two pages, 2 =
 * four pages, 3 = eight pages).
 */
struct sheet **sheetlist;/* array of sheet lists (up/down or left/right) */
int sheetaspect       = PORTRAIT;	/* either normal or landscape */
int sheetorder        = UPDOWN;		/* up/down or left/right flag */
int sheetindex        = 2;              /* index to page descriptor array */
int sheetmargin_left  = DEFAULTSMARGIN; /* non-printable border on sheet */
int sheetmargin_right = DEFAULTSMARGIN; /* non-printable border on sheet */
int sheetmargin_top   = DEFAULTSMARGIN; /* non-printable border on sheet */
int sheetmargin_bottom= DEFAULTSMARGIN; /* non-printable border on sheet */
int pagemargin_left   = DEFAULTPMARGIN; /* border for pages */
int pagemargin_right  = DEFAULTPMARGIN; /* border for pages */
int pagemargin_top    = DEFAULTPMARGIN; /* border for pages */
int pagemargin_bottom = DEFAULTPMARGIN; /* border for pages */
int textmargin_left   = DEFAULTTMARGIN; /* border for textbox */
int textmargin_right  = DEFAULTTMARGIN; /* border for textbox */
int textmargin_top    = DEFAULTTMARGIN; /* border for textbox */
int textmargin_bottom = DEFAULTTMARGIN; /* border for textbox */
int sheetheader_left  = 0;              /* space for physical sheetheader */
int sheetheader_right = 0;              /* space for physical sheetheader */
int sheetheader_top   = 0;              /* space for physical sheetheader */
int sheetheader_bottom= 0;              /* space for physical sheetheader */
struct pagepoints *points = points_empty;
int orientation;			/* final orientation of text */
int fsize             = TSIZE;		/* font scale size */
int opt_indent        = 0;		/* starting column for ascii printing */
int opt_tabstop       = DEFAULTTABSTOP;	/* width of a tab */
int opt_lines         = 0;		/* lines to fit on reduced page */
int opt_killtrail     = 1;		/* Quit reading input on %%TRailer */
int opt_width         = 0;	        /* columns to fit on reduced page */
char * opt_page       = PAGE_DEF;       /* default paper size */
/* boolean's: set default to 0 or 1 */
int opt_pr            = 0;		/* if true use pr(1) to format output */
int opt_mp_header     = 0;              /* let mpage create headers */
int opt_sheetheader   = 0;              /* let mpage create sheetheaders */
int opt_fold          = 0;	        /* fold lines longer than page width */
int opt_outline       = 1;	        /* don't normally outline the pages */
int opt_verbose       = 0;        /* print a count of pages produced */
int opt_square        = 1;        /* print pages with natural aspect ratio */
int opt_reverse       = 0;        /* by default print sheets in forward order */
int opt_jarg          = 0;        /* number of -j opt sets */
int opt_first[MAXJARG];           /* start with first sheet per -j */
int opt_last[MAXJARG];         	  /* print as many as supplied per -j */
int opt_alt[MAXJARG];             /* by default print all sheets, odd+even per -j*/
int opt_file          = 1;        /* should each file appera on a new sheet */
int opt_duplex        = DEFAULT_DUPLEX;  /* duplex mode flag */
int opt_tumble        = 0;        /* tumble overy second pages */
int opt_textbox       = 0;        /* don't normally draw box around text */
int opt_input         = IN_AUTO;  /* select input file format */
int opt_encoding      = DEFAULT_ENCODING; /* use default encoding or not */
struct pagebox textbox = {0, 0, 80, 66, 0};

char * opt_header = NULL;      /* the header for pr's -h option */
char * printque   = NULL;      /* the printer queuename */
char * prprog     = PRPROG;    /* the pr filter program */
char * printprog  = PRINTPROG; /* the print program */
char * printarg   = QUEARG;    /* define print queue to printprog */
int    doprint    = 0;         /* send it to the printer */
char * charvec_file;           /*  file to read character definitions from */
char * libdir     = LIBDIR;    /* pointer to get library files from */
char * fontname   = "Courier"; /* Font to use */
char * dateformat = "%c";      /* Date/time format for date in headers */
char * sheethead  = "";	       /* Leave empty to get default sheetheader:
                                    current filename + physical pagenumber */

/*
 * various global information
 */
char MPAGE[]   = "mpage";   /* program name */
int ps_pagenum = 0;	    /* current sheet count (printed or not) */
int ps_outpages= 0;	    /* sheets printed */
int had_ps     = 0;         /* did we process ps files */

int first_encoding = -1; /* first encoding in character set */
int last_encoding;	/* last encoding in character set */

/* GPN. for coli */
int Coli = 0;           /* value of 0 = don't mess, 1 = 4, 1 (outside pages)*/
int use_utf8 = 0;       /* is input UTF-8 or not. */
int check_utf8 = 1;     /* do we want to check for UTF-8 or not. */



void usage(int errcode)
{
    fprintf(stderr, "\
 mpage - print multiple pages on postscript, version %s\n\n\
 mpage [-1248aceEfHlkoOrRStTvuVxX] [-b papersize] [-Btextboxmargin]\n\
       [-C [encodingfile]] [-da|p] [-D dateformat] [-F fontname]\n\
       [-h header] [-I indent] [-j pagespec] [-J startpageno] [-L lines]\n\
       [-msheetmargin] [-Mpagemargin] [-p[prprog]] [-P[printer]]\n\
       [-s tabstop] [-W width] [-X [header]] [-z printcmd] [-Z quearg]\n\
       [file...]]\n",
 VERSION
    );

    fprintf(stderr, "\n\
 -1, -2, -4, -8  Pages per sheet (4)    -D strftime format for date specs\n\
 -da Force ascii input format           -dp Force postscript input format\n\
 -a Toggle across/updown layout (u)	-l Toggle portrait/landscape (p)\n\
 -f Toggle folding long lines (off)	-o Toggle printing outlines (on)\n\
 -r Reverse printing, last->first sheet	-v Toggle verbose output, (on)\n\
 -F Text font to be used (%s)      -C Character encoding filename\n\
 -E Print every second and third page   -O Print every first and fourth page\n\
 -s Define tabstop width (%d)            -k kill on %%TRailer is PS file\n\
 -V Show mpage version.\n               -u switch of utf-8 check\n\
 -b papersize (%s), use l or ? to get a list of sizes\n\
 -R Switch to across mode, with first page at lower left corner\n\
 -H Create page header for each page for text files\n\
 -X Print physical page header (filename + physical pagenumber)\n\
 -c Toggle concat pages of different files on same sheet (off)\n\
 -S Don't square pages for PS input (default uniform X/Y shrink)\n\
 -B Specify textbox margin/thickness (no space): [<num>[lrtb]*]*\n\
 -m Specify sheetmargin (no space): [<num>[lrtb]*]*\n\
 -M Specify pagemargins (no space): [<num>[lrtb]*]*\n\
 -p Pipe through prprog (no space), pr(1) is default.\n\
    Mpage assumes the specified pr understands -l, -w and -h options.\n\
 -P Specify printer queue (no space). -P only uses default queue.\n\
 -z Specify print command (%s).\n\
 -Z Specify print command print queue option (%s).\n\
 -j Print specified sheets: first[-last][%%interval]\n\
    -j 1-10 does first 10 sheets, -j 1%%2 prints odd ones, -j 2%%2 even ones.\n\
 -J Set the start of the sheet page count\n\
 -t Toggle printing both sides of the paper (Duplex mode, %s)\n\
 -T Toggle tumble of every second pages when printing in duplex mode (off)\n",
    fontname, opt_tabstop, PAGE_DEF, printprog, printarg,
    opt_duplex ? "on" : "off"
    );
    fprintf(stderr, "\n(c) 1993-2005 Marcel Mol, marcel@mesa.nl (MESA Consulting)\n");

    return;

} /* usage */