/*
 * "$Id: ppd.h 6649 2007-07-11 21:46:42Z mike $"
 *
 *   PostScript Printer Description definitions for the Common UNIX Printing
 *   System (CUPS).
 *
 *   Copyright 2007 by Apple Inc.
 *   Copyright 1997-2007 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Apple Inc. and are protected by Federal copyright
 *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
 *   which should have been included with this file.  If this file is
 *   file is missing or damaged, see the license at "http://www.cups.org/".
 *
 *   PostScript is a trademark of Adobe Systems, Inc.
 *
 *   This code and any derivative of it may be used and distributed
 *   freely under the terms of the GNU General Public License when
 *   used with GNU Ghostscript or its derivatives.  Use of the code
 *   (or any derivative of it) with software other than GNU
 *   GhostScript (or its derivatives) is governed by the CUPS license
 *   agreement.
 *
 *   This file is subject to the Apple OS-Developed Software exception.
 */

#ifndef _CUPS_PPD_H_
#  define _CUPS_PPD_H_

/*
 * Include necessary headers...
 */

#  include <stdio.h>
#  include "array.h"
#  include "file.h"


/*
 * C++ magic...
 */

#  ifdef __cplusplus
extern "C" {
#  endif /* __cplusplus */


/*
 * PPD version...
 */

#  define PPD_VERSION	4.3		/* Kept in sync with Adobe version number */


/*
 * PPD size limits (defined in Adobe spec)
 */

#  define PPD_MAX_NAME	41		/* Maximum size of name + 1 for nul */
#  define PPD_MAX_TEXT	81		/* Maximum size of text + 1 for nul */
#  define PPD_MAX_LINE	256		/* Maximum size of line + 1 for nul */


/*
 * Types and structures...
 */

typedef enum ppd_ui_e			/**** UI Types ****/
{
  PPD_UI_BOOLEAN,			/* True or False option */
  PPD_UI_PICKONE,			/* Pick one from a list */
  PPD_UI_PICKMANY			/* Pick zero or more from a list */
} ppd_ui_t;

typedef enum ppd_section_e		/**** Order dependency sections ****/
{
  PPD_ORDER_ANY,			/* Option code can be anywhere in the file */
  PPD_ORDER_DOCUMENT,			/* ... must be in the DocumentSetup section */
  PPD_ORDER_EXIT,			/* ... must be sent prior to the document */
  PPD_ORDER_JCL,			/* ... must be sent as a JCL command */
  PPD_ORDER_PAGE,			/* ... must be in the PageSetup section */
  PPD_ORDER_PROLOG			/* ... must be in the Prolog section */
} ppd_section_t;

typedef enum ppd_cs_e			/**** Colorspaces ****/
{
  PPD_CS_CMYK = -4,			/* CMYK colorspace */
  PPD_CS_CMY,				/* CMY colorspace */
  PPD_CS_GRAY = 1,			/* Grayscale colorspace */
  PPD_CS_RGB = 3,			/* RGB colorspace */
  PPD_CS_RGBK,				/* RGBK (K = gray) colorspace */
  PPD_CS_N				/* DeviceN colorspace */
} ppd_cs_t;

typedef enum ppd_status_e		/**** Status Codes @since CUPS 1.1.19@ ****/
{
  PPD_OK = 0,				/* OK */
  PPD_FILE_OPEN_ERROR,			/* Unable to open PPD file */
  PPD_NULL_FILE,			/* NULL PPD file pointer */
  PPD_ALLOC_ERROR,			/* Memory allocation error */
  PPD_MISSING_PPDADOBE4,		/* Missing PPD-Adobe-4.x header */
  PPD_MISSING_VALUE,			/* Missing value string */
  PPD_INTERNAL_ERROR,			/* Internal error */
  PPD_BAD_OPEN_GROUP,			/* Bad OpenGroup */
  PPD_NESTED_OPEN_GROUP,		/* OpenGroup without a CloseGroup first */
  PPD_BAD_OPEN_UI,			/* Bad OpenUI/JCLOpenUI */
  PPD_NESTED_OPEN_UI,			/* OpenUI/JCLOpenUI without a CloseUI/JCLCloseUI first */
  PPD_BAD_ORDER_DEPENDENCY,		/* Bad OrderDependency */
  PPD_BAD_UI_CONSTRAINTS,		/* Bad UIConstraints */
  PPD_MISSING_ASTERISK,			/* Missing asterisk in column 0 */
  PPD_LINE_TOO_LONG,			/* Line longer than 255 chars */
  PPD_ILLEGAL_CHARACTER,		/* Illegal control character */
  PPD_ILLEGAL_MAIN_KEYWORD,		/* Illegal main keyword string */
  PPD_ILLEGAL_OPTION_KEYWORD,		/* Illegal option keyword string */
  PPD_ILLEGAL_TRANSLATION,		/* Illegal translation string */
  PPD_ILLEGAL_WHITESPACE,		/* Illegal whitespace character */
  PPD_BAD_CUSTOM_PARAM			/* Bad custom parameter */
} ppd_status_t;

typedef enum ppd_conform_e		/**** Conformance Levels @since CUPS 1.1.19@ ****/
{
  PPD_CONFORM_RELAXED,			/* Relax whitespace and control char */
  PPD_CONFORM_STRICT			/* Require strict conformance */
} ppd_conform_t;

typedef struct ppd_attr_s		/**** PPD Attribute Structure @since CUPS 1.1.19@ ****/
{
  char		name[PPD_MAX_NAME];	/* Name of attribute (cupsXYZ) */
  char		spec[PPD_MAX_NAME];	/* Specifier string, if any */
  char		text[PPD_MAX_TEXT];	/* Human-readable text, if any */
  char		*value;			/* Value string */
} ppd_attr_t;

typedef struct ppd_option_s ppd_option_t;
					/**** Options ****/

typedef struct ppd_choice_s		/**** Option choices ****/
{
  char		marked;			/* 0 if not selected, 1 otherwise */
  char		choice[PPD_MAX_NAME];	/* Computer-readable option name */
  char		text[PPD_MAX_TEXT];	/* Human-readable option name */
  char		*code;			/* Code to send for this option */
  ppd_option_t	*option;		/* Pointer to parent option structure */
} ppd_choice_t;

struct ppd_option_s			/**** Options ****/
{
  char		conflicted;		/* 0 if no conflicts exist, 1 otherwise */
  char		keyword[PPD_MAX_NAME];	/* Option keyword name ("PageSize", etc.) */
  char		defchoice[PPD_MAX_NAME];/* Default option choice */
  char		text[PPD_MAX_TEXT];	/* Human-readable text */
  ppd_ui_t	ui;			/* Type of UI option */
  ppd_section_t	section;		/* Section for command */
  float		order;			/* Order number */
  int		num_choices;		/* Number of option choices */
  ppd_choice_t	*choices;		/* Option choices */
};

typedef struct ppd_group_s		/**** Groups ****/
{
  /**** Group text strings are limited to 39 chars + nul in order to
   **** preserve binary compatibility and allow applications to get
   **** the group's keyword name.
   ****/
  char		text[PPD_MAX_TEXT - PPD_MAX_NAME];
  					/* Human-readable group name */
  char		name[PPD_MAX_NAME];	/* Group name @since CUPS 1.1.18@ */
  int		num_options;		/* Number of options */
  ppd_option_t	*options;		/* Options */
  int		num_subgroups;		/* Number of sub-groups */
  struct ppd_group_s *subgroups;	/* Sub-groups (max depth = 1) */
} ppd_group_t;

typedef struct				/**** Constraints ****/
{
  char		option1[PPD_MAX_NAME];	/* First keyword */
  char		choice1[PPD_MAX_NAME];	/* First option/choice (blank for all) */
  char		option2[PPD_MAX_NAME];	/* Second keyword */
  char		choice2[PPD_MAX_NAME];	/* Second option/choice (blank for all) */
} ppd_const_t;

typedef struct ppd_size_s		/**** Page Sizes ****/
{
  int		marked;			/* Page size selected? */
  char		name[PPD_MAX_NAME];	/* Media size option */
  float		width;			/* Width of media in points */
  float		length;			/* Length of media in points */
  float		left;			/* Left printable margin in points */
  float		bottom;			/* Bottom printable margin in points */
  float		right;			/* Right printable margin in points */
  float		top;			/* Top printable margin in points */
} ppd_size_t;

typedef struct ppd_emul_s		/**** Emulators ****/
{
  char		name[PPD_MAX_NAME];	/* Emulator name */
  char		*start;			/* Code to switch to this emulation */
  char		*stop;			/* Code to stop this emulation */
} ppd_emul_t;

typedef struct ppd_profile_s		/**** sRGB Color Profiles ****/
{
  char		resolution[PPD_MAX_NAME];
  					/* Resolution or "-" */
  char		media_type[PPD_MAX_NAME];
					/* Media type or "-" */
  float		density;		/* Ink density to use */
  float		gamma;			/* Gamma correction to use */
  float		matrix[3][3];		/* Transform matrix */
} ppd_profile_t;

/**** New in CUPS 1.2 ****/
typedef enum ppd_cptype_e		/**** Custom Parameter Type @since CUPS 1.2@ ****/
{
  PPD_CUSTOM_CURVE,			/* Curve value for f(x) = x^value */
  PPD_CUSTOM_INT,			/* Integer number value */
  PPD_CUSTOM_INVCURVE,			/* Curve value for f(x) = x^(1/value) */
  PPD_CUSTOM_PASSCODE,			/* String of (hidden) numbers */
  PPD_CUSTOM_PASSWORD,			/* String of (hidden) characters */
  PPD_CUSTOM_POINTS,			/* Measurement value in points */
  PPD_CUSTOM_REAL,			/* Real number value */
  PPD_CUSTOM_STRING			/* String of characters */
} ppd_cptype_t;

typedef union ppd_cplimit_u		/**** Custom Parameter Limit @since CUPS 1.2@ ****/
{
  float		custom_curve;		/* Gamma value */
  int		custom_int;		/* Integer value */
  float		custom_invcurve;	/* Gamma value */
  int		custom_passcode;	/* Passcode length */
  int		custom_password;	/* Password length */
  float		custom_points;		/* Measurement value */
  float		custom_real;		/* Real value */
  int		custom_string;		/* String length */
} ppd_cplimit_t;

typedef union ppd_cpvalue_u		/**** Custom Parameter Value @since CUPS 1.2@ ****/
{
  float		custom_curve;		/* Gamma value */
  int		custom_int;		/* Integer value */
  float		custom_invcurve;	/* Gamma value */
  char		*custom_passcode;	/* Passcode value */
  char		*custom_password;	/* Password value */
  float		custom_points;		/* Measurement value */
  float		custom_real;		/* Real value */
  char		*custom_string;		/* String value */
} ppd_cpvalue_t;

typedef struct ppd_cparam_s		/**** Custom Parameter @since CUPS 1.2@ ****/
{
  char		name[PPD_MAX_NAME];	/* Parameter name */
  char		text[PPD_MAX_TEXT];	/* Human-readable text */
  int		order;			/* Order (0 to N) */
  ppd_cptype_t	type;			/* Parameter type */
  ppd_cplimit_t	minimum,		/* Minimum value */
		maximum;		/* Maximum value */
  ppd_cpvalue_t	current;		/* Current value */
} ppd_cparam_t;

typedef struct ppd_coption_s		/**** Custom Option @since CUPS 1.2@ ****/
{
  char		keyword[PPD_MAX_NAME];	/* Name of option that is being extended... */
  ppd_option_t	*option;		/* Option that is being extended... */
  int		marked;			/* Extended option is marked */
  cups_array_t	*params;		/* Parameters */
} ppd_coption_t;

typedef struct ppd_file_s		/**** PPD File ****/
{
  int		language_level;		/* Language level of device */
  int		color_device;		/* 1 = color device, 0 = grayscale */
  int		variable_sizes;		/* 1 = supports variable sizes, 0 = doesn't */
  int		accurate_screens;	/* 1 = supports accurate screens, 0 = not */
  int		contone_only;		/* 1 = continuous tone only, 0 = not */
  int		landscape;		/* -90 or 90 */
  int		model_number;		/* Device-specific model number */
  int		manual_copies;		/* 1 = Copies done manually, 0 = hardware */
  int		throughput;		/* Pages per minute */
  ppd_cs_t	colorspace;		/* Default colorspace */
  char		*patches;		/* Patch commands to be sent to printer */
  int		num_emulations;		/* Number of emulations supported */
  ppd_emul_t	*emulations;		/* Emulations and the code to invoke them */
  char		*jcl_begin;		/* Start JCL commands */
  char		*jcl_ps;		/* Enter PostScript interpreter */
  char		*jcl_end;		/* End JCL commands */
  char		*lang_encoding;		/* Language encoding */
  char		*lang_version;		/* Language version (English, Spanish, etc.) */
  char		*modelname;		/* Model name (general) */
  char		*ttrasterizer;		/* Truetype rasterizer */
  char		*manufacturer;		/* Manufacturer name */
  char		*product;		/* Product name (from PS RIP/interpreter) */
  char		*nickname;		/* Nickname (specific) */
  char		*shortnickname;		/* Short version of nickname */
  int		num_groups;		/* Number of UI groups */
  ppd_group_t	*groups;		/* UI groups */
  int		num_sizes;		/* Number of page sizes */
  ppd_size_t	*sizes;			/* Page sizes */
  float		custom_min[2];		/* Minimum variable page size */
  float		custom_max[2];		/* Maximum variable page size */
  float		custom_margins[4];	/* Margins around page */
  int		num_consts;		/* Number of UI/Non-UI constraints */
  ppd_const_t	*consts;		/* UI/Non-UI constraints */
  int		num_fonts;		/* Number of pre-loaded fonts */
  char		**fonts;		/* Pre-loaded fonts */
  int		num_profiles;		/* Number of sRGB color profiles */
  ppd_profile_t	*profiles;		/* sRGB color profiles */
  int		num_filters;		/* Number of filters */
  char		**filters;		/* Filter strings... */

  /**** New in CUPS 1.1 ****/
  int		flip_duplex;		/* 1 = Flip page for back sides @deprecated@ */

  /**** New in CUPS 1.1.19 ****/
  char		*protocols;		/* Protocols (BCP, TBCP) string @since CUPS 1.1.19@ */
  char		*pcfilename;		/* PCFileName string @since CUPS 1.1.19@ */
  int		num_attrs;		/* Number of attributes @since CUPS 1.1.19@ @private@ */
  int		cur_attr;		/* Current attribute @since CUPS 1.1.19@ @private@ */
  ppd_attr_t	**attrs;		/* Attributes @since CUPS 1.1.19@ @private@ */

  /**** New in CUPS 1.2 ****/
  cups_array_t	*sorted_attrs;		/* Attribute lookup array @since CUPS 1.2@ @private@ */
  cups_array_t	*options;		/* Option lookup array @since CUPS 1.2@ @private@ */
  cups_array_t	*coptions;		/* Custom options array @since CUPS 1.2@ @private@ */

  /**** New in CUPS 1.3 ****/
  cups_array_t	*marked;		/* Marked choices @since CUPS 1.3@ @private@ */
} ppd_file_t;


/*
 * Prototypes...
 */

extern void		ppdClose(ppd_file_t *ppd);
extern int		ppdCollect(ppd_file_t *ppd, ppd_section_t section,
			           ppd_choice_t  ***choices);
extern int		ppdConflicts(ppd_file_t *ppd);
extern int		ppdEmit(ppd_file_t *ppd, FILE *fp,
			        ppd_section_t section);
extern int		ppdEmitFd(ppd_file_t *ppd, int fd,
			          ppd_section_t section);
extern int		ppdEmitJCL(ppd_file_t *ppd, FILE *fp, int job_id,
			           const char *user, const char *title);
extern ppd_choice_t	*ppdFindChoice(ppd_option_t *o, const char *option);
extern ppd_choice_t	*ppdFindMarkedChoice(ppd_file_t *ppd, const char *keyword);
extern ppd_option_t	*ppdFindOption(ppd_file_t *ppd, const char *keyword);
extern int		ppdIsMarked(ppd_file_t *ppd, const char *keyword,
			            const char *option);
extern void		ppdMarkDefaults(ppd_file_t *ppd);
extern int		ppdMarkOption(ppd_file_t *ppd, const char *keyword,
			              const char *option);
extern ppd_file_t	*ppdOpen(FILE *fp);
extern ppd_file_t	*ppdOpenFd(int fd);
extern ppd_file_t	*ppdOpenFile(const char *filename);
extern float		ppdPageLength(ppd_file_t *ppd, const char *name);
extern ppd_size_t	*ppdPageSize(ppd_file_t *ppd, const char *name);
extern float		ppdPageWidth(ppd_file_t *ppd, const char *name);

/**** New in CUPS 1.1.19 ****/
extern const char	*ppdErrorString(ppd_status_t status);
extern ppd_attr_t	*ppdFindAttr(ppd_file_t *ppd, const char *name,
			             const char *spec);
extern ppd_attr_t	*ppdFindNextAttr(ppd_file_t *ppd, const char *name,
			                 const char *spec);
extern ppd_status_t	ppdLastError(int *line);

/**** New in CUPS 1.1.20 ****/
extern void		ppdSetConformance(ppd_conform_t c);

/**** New in CUPS 1.2 ****/
extern int		ppdCollect2(ppd_file_t *ppd, ppd_section_t section,
			            float min_order, ppd_choice_t  ***choices);
extern int		ppdEmitAfterOrder(ppd_file_t *ppd, FILE *fp,
			                  ppd_section_t section, int limit,
					  float min_order);
extern int		ppdEmitJCLEnd(ppd_file_t *ppd, FILE *fp);
extern char		*ppdEmitString(ppd_file_t *ppd, ppd_section_t section,
			               float min_order);
extern ppd_coption_t	*ppdFindCustomOption(ppd_file_t *ppd,
			                     const char *keyword);
extern ppd_cparam_t	*ppdFindCustomParam(ppd_coption_t *opt,
			                    const char *name);
extern ppd_cparam_t	*ppdFirstCustomParam(ppd_coption_t *opt);
extern ppd_option_t	*ppdFirstOption(ppd_file_t *ppd);
extern ppd_cparam_t	*ppdNextCustomParam(ppd_coption_t *opt);
extern ppd_option_t	*ppdNextOption(ppd_file_t *ppd);
extern int		ppdLocalize(ppd_file_t *ppd);
extern ppd_file_t	*ppdOpen2(cups_file_t *fp);

/**** New in CUPS 1.3 ****/
extern const char	*ppdLocalizeIPPReason(ppd_file_t *ppd,
			                      const char *reason,
					      const char *scheme,
					      char *buffer, size_t bufsize);


/*
 * C++ magic...
 */

#  ifdef __cplusplus
}
#  endif /* __cplusplus */
#endif /* !_CUPS_PPD_H_ */

/*
 * End of "$Id: ppd.h 6649 2007-07-11 21:46:42Z mike $".
 */
