[kdegraphics] added cmake support for kfax, kfaxview, kghostview, and kfile-plugins

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1230814 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 0 insertions, 3432 deletions

diff --git a/kghostview/dscparse.cpp b/kghostview/dscparse.cpp
deleted file mode 100644
index b5d2c3a7..00000000
--- a/kghostview/dscparse.cpp
+++ /dev/null
@@ -1,3432 +0,0 @@
-/* Copyright (C) 2000-2001, Ghostgum Software Pty Ltd.  All rights reserved.
-    
-  This file is part of GSview.
-   
-  This file is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
-  to anyone for the consequences of using it or for whether it serves any
-  particular purpose or works at all, unless he says so in writing.  Refer
-  to the GNU General Public Licence for full details.
-   
-  Everyone is granted permission to copy, modify and redistribute this
-  file, but only under the conditions described in the GNU General
-  Public Licence.  A copy of this license is supposed to have been given
-  to you along with this file so you can know your rights and
-  responsibilities.  It should be in a file named COPYING.  Among other
-  things, the copyright notice and this notice must be preserved on all
-  copies.
-*/
-
-/* $Id$ */
-
-/* dscparse.c - DSC parser  */
-
-/*
- * This is a DSC parser, based on the DSC 3.0 spec, 
- * with a few DSC 2.1 additions for page size.
- *
- * Current limitations:
- * %%+ may be used after any comment in the comment or trailer, 
- * but is currently only supported by
- *   %%DocumentMedia
- *
- * DSC 2.1 additions (discontinued in DSC 3.0):
- * %%DocumentPaperColors: 
- * %%DocumentPaperForms: 
- * %%DocumentPaperSizes: 
- * %%DocumentPaperWeights: 
- * %%PaperColor:   (ignored)
- * %%PaperForm:    (ignored)
- * %%PaperSize: 
- * %%PaperWeight:  (ignored)
- *
- * Other additions for defaults or page section
- % %%ViewingOrientation: xx xy yx yy
-*/
-
-#include <stdio.h>	/* for sprintf(), not file I/O */
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
-#define MAXSTR 256
-
-#include "dscparse.h"
-
-/* Macros for comparing string literals
- * For maximum speed, the length of the second macro argument is
- * computed at compile time.
- * THE SECOND MACRO ARGUMENT MUST BE A STRING LITERAL.
- */
-#define COMPARE(p,str) (strncmp((const char *)(p), (str), sizeof(str)-1)==0)
-#define IS_DSC(line, str) (COMPARE((line), (str)))
-
-/* Macros for comparing the first one or two characters */
-#define IS_WHITE(ch) (((ch)==' ') || ((ch)=='\t'))
-#define IS_EOL(ch) (((ch)=='\r') || ((ch)=='\n'))
-#define IS_WHITE_OR_EOL(ch) (IS_WHITE(ch) || IS_EOL(ch))
-#define IS_BLANK(str) (IS_EOL(str[0]))
-#define NOT_DSC_LINE(str) (((str)[0]!='%') || ((str)[1]!='%'))
-
-/* Macros for document offset to start and end of line */
-#define DSC_START(dsc)  ((dsc)->data_offset + (dsc)->data_index - (dsc)->line_length)
-#define DSC_END(dsc)  ((dsc)->data_offset + (dsc)->data_index)
-
-/* dsc_scan_SECTION() functions return one of 
- * CDSC_ERROR, CDSC_OK, CDSC_NOTDSC 
- * or one of the following
- */
-/* The line should be passed on to the next section parser. */
-#define CDSC_PROPAGATE	10
-
-/* If document is DOS EPS and we haven't read 30 bytes, ask for more. */
-#define CDSC_NEEDMORE 11
-
-template<class T>
-inline T min (T a, T b) { return a < b ? a : b; }
-
-/* local prototypes */
-dsc_private void * dsc_memalloc(P2(CDSC *dsc, size_t size));
-dsc_private void dsc_memfree(P2(CDSC*dsc, void *ptr));
-dsc_private CDSC * dsc_init2(P1(CDSC *dsc));
-dsc_private void dsc_reset(P1(CDSC *dsc));
-dsc_private void dsc_section_join(P3(unsigned long begin, unsigned long *pend, unsigned long **pplast));
-dsc_private int dsc_read_line(P1(CDSC *dsc));
-dsc_private int dsc_read_doseps(P1(CDSC *dsc));
-dsc_private char * dsc_alloc_string(P3(CDSC *dsc, const char *str, int len));
-dsc_private char * dsc_add_line(P3(CDSC *dsc, const char *line, unsigned int len));
-dsc_private char * dsc_copy_string(P5(char *str, unsigned int slen, 
-    char *line, unsigned int len, unsigned int *offset));
-dsc_private GSDWORD dsc_get_dword(P1(const unsigned char *buf));
-dsc_private GSWORD dsc_get_word(P1(const unsigned char *buf));
-dsc_private int dsc_get_int(P3(const char *line, unsigned int len, unsigned int *offset));
-dsc_private float dsc_get_real(P3(const char *line, unsigned int len, 
-    unsigned int *offset));
-dsc_private int dsc_stricmp(P2(const char *s, const char *t));
-dsc_private void dsc_unknown(P1(CDSC *dsc)); 
-dsc_private GSBOOL dsc_is_section(char *line);
-dsc_private int dsc_parse_pages(P1(CDSC *dsc));
-dsc_private int dsc_parse_bounding_box(P3(CDSC *dsc, CDSCBBOX** pbbox, int offset));
-dsc_private int dsc_parse_float_bounding_box(P3(CDSC *dsc, CDSCFBBOX** pfbbox, int offset));
-dsc_private int dsc_parse_orientation(P3(CDSC *dsc, unsigned int *porientation, 
-    int offset));
-dsc_private int dsc_parse_order(P1(CDSC *dsc));
-dsc_private int dsc_parse_media(P2(CDSC *dsc, const CDSCMEDIA **page_media));
-dsc_private int dsc_parse_document_media(P1(CDSC *dsc));
-dsc_private int dsc_parse_viewing_orientation(P2(CDSC *dsc, CDSCCTM **pctm));
-dsc_private int dsc_parse_page(P1(CDSC *dsc));
-dsc_private void dsc_save_line(P1(CDSC *dsc));
-dsc_private int dsc_scan_type(P1(CDSC *dsc));
-dsc_private int dsc_scan_comments(P1(CDSC *dsc));
-dsc_private int dsc_scan_preview(P1(CDSC *dsc));
-dsc_private int dsc_scan_defaults(P1(CDSC *dsc));
-dsc_private int dsc_scan_prolog(P1(CDSC *dsc));
-dsc_private int dsc_scan_setup(P1(CDSC *dsc));
-dsc_private int dsc_scan_page(P1(CDSC *dsc));
-dsc_private int dsc_scan_trailer(P1(CDSC *dsc));
-dsc_private int dsc_error(P4(CDSC *dsc, unsigned int explanation, 
-    char *line, unsigned int line_len));
-
-/* DSC error reporting */
-dsc_private const int dsc_severity[] = {
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_BBOX */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_EARLY_TRAILER */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_EARLY_EOF */
-    CDSC_ERROR_ERROR, 	/* CDSC_MESSAGE_PAGE_IN_TRAILER */
-    CDSC_ERROR_ERROR, 	/* CDSC_MESSAGE_PAGE_ORDINAL */
-    CDSC_ERROR_ERROR, 	/* CDSC_MESSAGE_PAGES_WRONG */
-    CDSC_ERROR_ERROR, 	/* CDSC_MESSAGE_EPS_NO_BBOX */
-    CDSC_ERROR_ERROR, 	/* CDSC_MESSAGE_EPS_PAGES */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_NO_MEDIA */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_ATEND */
-    CDSC_ERROR_INFORM, 	/* CDSC_MESSAGE_DUP_COMMENT */
-    CDSC_ERROR_INFORM, 	/* CDSC_MESSAGE_DUP_TRAILER */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_BEGIN_END */
-    CDSC_ERROR_INFORM, 	/* CDSC_MESSAGE_BAD_SECTION */
-    CDSC_ERROR_INFORM,  /* CDSC_MESSAGE_LONG_LINE */
-    CDSC_ERROR_WARN, 	/* CDSC_MESSAGE_INCORRECT_USAGE */
-    0
-};
-
-#define DSC_MAX_ERROR ((sizeof(dsc_severity) / sizeof(int))-2)
-
-const CDSCMEDIA dsc_known_media[CDSC_KNOWN_MEDIA] = {
-    /* These sizes taken from Ghostscript gs_statd.ps */
-    {"11x17", 792, 1224, 0, NULL, NULL, NULL},
-    {"A0", 2380, 3368, 0, NULL, NULL, NULL},
-    {"A1", 1684, 2380, 0, NULL, NULL, NULL}, 
-    {"A2", 1190, 1684, 0, NULL, NULL, NULL}, 
-    {"A3", 842, 1190, 0, NULL, NULL, NULL},
-    {"A4", 595, 842, 0, NULL, NULL, NULL},
-    {"A5", 421, 595, 0, NULL, NULL, NULL},
-    {"A6", 297, 421, 0, NULL, NULL, NULL}, 
-    {"A7", 210, 297, 0, NULL, NULL, NULL}, 
-    {"A8", 148, 210, 0, NULL, NULL, NULL}, 
-    {"A9", 105, 148, 0, NULL, NULL, NULL}, 
-    {"A10", 74, 105, 0, NULL, NULL, NULL}, 
-    {"B0", 2836, 4008, 0, NULL, NULL, NULL}, 
-    {"B1", 2004, 2836, 0, NULL, NULL, NULL}, 
-    {"B2", 1418, 2004, 0, NULL, NULL, NULL}, 
-    {"B3", 1002, 1418, 0, NULL, NULL, NULL}, 
-    {"B4", 709, 1002, 0, NULL, NULL, NULL}, /* ISO, but not Adobe standard */
-    {"B5", 501, 709, 0, NULL, NULL, NULL},  /* ISO, but not Adobe standard */
-    {"B6", 354, 501, 0, NULL, NULL, NULL}, 
-    {"C0", 2600, 3677, 0, NULL, NULL, NULL}, 
-    {"C1", 1837, 2600, 0, NULL, NULL, NULL},  
-    {"C2", 1298, 1837, 0, NULL, NULL, NULL}, 
-    {"C3", 918, 1298, 0, NULL, NULL, NULL}, 
-    {"C4", 649, 918, 0, NULL, NULL, NULL}, 
-    {"C5", 459, 649, 0, NULL, NULL, NULL}, 
-    {"C6", 323, 459, 0, NULL, NULL, NULL}, 
-    {"Ledger", 1224, 792, 0, NULL, NULL, NULL},
-    {"Legal", 612, 1008, 0, NULL, NULL, NULL},
-    {"Letter", 612, 792, 0, NULL, NULL, NULL},
-    {"Note", 612, 792, 0, NULL, NULL, NULL},
-// ISO and JIS B sizes are different....
-    {"jisb0", 2916, 4128, 0, NULL, NULL, NULL},
-    {"jisb1", 2064, 2916, 0, NULL, NULL, NULL}, 
-    {"jisb2", 1458, 2064, 0, NULL, NULL, NULL}, 
-    {"jisb3", 1032, 1458, 0, NULL, NULL, NULL}, 
-    {"jisb4", 729, 1032, 0, NULL, NULL, NULL}, 
-    {"jisb5", 516, 729, 0, NULL, NULL, NULL}, 
-    {"jisb6", 363, 516, 0, NULL, NULL, NULL}, 
-// U.S. CAD standard paper sizes
-    {"archE", 2592, 3456, 0, NULL, NULL, NULL}, 
-    {"archD", 1728, 2592, 0, NULL, NULL, NULL}, 
-    {"archC", 1296, 1728, 0, NULL, NULL, NULL}, 
-    {"archB", 864, 1296, 0, NULL, NULL, NULL}, 
-    {"archA", 648, 864, 0, NULL, NULL, NULL}, 
-// Other paper sizes
-    {"flsa", 612, 936, 0, NULL, NULL, NULL}, /* U.S. foolscap */
-    {"flse", 612, 936, 0, NULL, NULL, NULL}, /* European foolscap */
-    {"halfletter", 396, 612, 0, NULL, NULL, NULL}, 
-    {NULL, 0, 0, 0, NULL, NULL, NULL}
-};
-
-/* parser state */
-enum CDSC_SCAN_SECTION {
-    scan_none = 0,
-    scan_comments = 1,
-    scan_pre_preview = 2,
-    scan_preview = 3,
-    scan_pre_defaults = 4,
-    scan_defaults = 5,
-    scan_pre_prolog = 6,
-    scan_prolog = 7,
-    scan_pre_setup = 8,
-    scan_setup = 9,
-    scan_pre_pages = 10,
-    scan_pages = 11,
-    scan_pre_trailer = 12,
-    scan_trailer = 13,
-    scan_eof = 14
-};
-
-static const char * const dsc_scan_section_name[15] = {
- "Type", "Comments", 
- "pre-Preview", "Preview",
- "pre-Defaults", "Defaults",
- "pre-Prolog", "Prolog",
- "pre-Setup", "Setup",
- "pre-Page", "Page",
- "pre-Trailer", "Trailer",
- "EOF"
-};
-
-/******************************************************************/
-/* Public functions                                               */
-/******************************************************************/
-
-/* constructor */
-CDSC *
-dsc_init(void *caller_data)
-{
-    CDSC *dsc = (CDSC *)malloc(sizeof(CDSC));
-    if (dsc == NULL)
-	return NULL;
-    memset(dsc, 0, sizeof(CDSC));
-    dsc->caller_data = caller_data;
-
-    return dsc_init2(dsc);
-}
-
-/* constructor, with caller supplied memalloc */
-CDSC *
-dsc_init_with_alloc(
-    void *caller_data,
-    void *(*memalloc)(size_t size, void *closure_data),
-    void (*memfree)(void *ptr, void *closure_data),
-    void *closure_data)
-{
-    CDSC *dsc = (CDSC *)memalloc(sizeof(CDSC), closure_data);
-    if (dsc == NULL)
-	return NULL;
-    memset(dsc, 0, sizeof(CDSC));
-    dsc->caller_data = caller_data;
-
-    dsc->memalloc = memalloc;
-    dsc->memfree = memfree;
-    dsc->mem_closure_data = closure_data;
-    
-    return dsc_init2(dsc);
-}
-
-
-
-/* destructor */
-void 
-dsc_free(CDSC *dsc)
-{
-    if (dsc == NULL)
-	return;
-    dsc_reset(dsc);
-    dsc_memfree(dsc, dsc);
-}
-
-
-/* Tell DSC parser how long document will be, to allow ignoring
- * of early %%Trailer and %%EOF.  This is optional.
- */
-void 
-dsc_set_length(CDSC *dsc, unsigned long len)
-{
-    dsc->file_length = len;
-}
-
-/* Process a buffer containing DSC comments and PostScript */
-/* Return value is < 0 for error, >=0 for OK.
- *  CDSC_ERROR
- *  CDSC_OK
- *  CDSC_NOTDSC (DSC will be ignored)
- *  other values indicate the last DSC comment read
- */ 
-int
-dsc_scan_data(CDSC *dsc, const char *data, int length)
-{
-    int bytes_read;
-    int code = 0;
-
-    if (dsc == NULL)
-	return CDSC_ERROR;
-
-    if (dsc->id == CDSC_NOTDSC)
-	return CDSC_NOTDSC;
-    dsc->id = CDSC_OK;
-    if (dsc->eof)
-	return CDSC_OK;	/* ignore */
-
-    if (length == 0) {
-	/* EOF, so process what remains */
-	dsc->eof = TRUE;
-    }
-
-    do {
-	if (dsc->id == CDSC_NOTDSC)
-	    break;
-
-	if (length != 0) {
-	    /* move existing data if needed */
-	    if (dsc->data_length > CDSC_DATA_LENGTH/2) {
-		memmove(dsc->data, dsc->data + dsc->data_index,
-		    dsc->data_length - dsc->data_index);
-		dsc->data_offset += dsc->data_index;
-		dsc->data_length -= dsc->data_index;
-		dsc->data_index = 0;
-	    }
-	    /* append to buffer */
-	    bytes_read = min(length, (int)(CDSC_DATA_LENGTH - dsc->data_length));
-	    memcpy(dsc->data + dsc->data_length, data, bytes_read);
-	    dsc->data_length += bytes_read;
-	    data += bytes_read;
-	    length -= bytes_read;
-	}
-	if (dsc->scan_section == scan_none) {
-	    code = dsc_scan_type(dsc);
-	    if (code == CDSC_NEEDMORE) {
-		/* need more characters before we can identify type */
-		code = CDSC_OK;
-		break;
-	    }
-	    dsc->id = code;
-	}
-
-        if (code == CDSC_NOTDSC) {
-	    dsc->id = CDSC_NOTDSC;
-	    break;
-	}
-
-	while ((code = dsc_read_line(dsc)) > 0) {
-	    if (dsc->id == CDSC_NOTDSC)
-		break;
-	    if (dsc->doseps_end && 
-		(dsc->data_offset + dsc->data_index > dsc->doseps_end)) {
-		/* have read past end of DOS EPS PostScript section */
-		return CDSC_OK;	/* ignore */
-	    }
-	    if (dsc->eof)
-		return CDSC_OK;
-	    if (dsc->skip_document)
-		continue;	/* embedded document */
-	    if (dsc->skip_lines)
-		continue;	/* embedded lines */
-	    if (IS_DSC(dsc->line, "%%BeginData:"))
-		continue;
-	    if (IS_DSC(dsc->line, "%%BeginBinary:"))
-		continue;
-	    if (IS_DSC(dsc->line, "%%EndDocument"))
-		continue;
-	    if (IS_DSC(dsc->line, "%%EndData"))
-		continue;
-	    if (IS_DSC(dsc->line, "%%EndBinary"))
-		continue;
-
-	    do {
-		switch (dsc->scan_section) {
-		    case scan_comments:
-			code = dsc_scan_comments(dsc);
-			break;
-		    case scan_pre_preview:
-		    case scan_preview:
-			code = dsc_scan_preview(dsc);
-			break;
-		    case scan_pre_defaults:
-		    case scan_defaults:
-			code = dsc_scan_defaults(dsc);
-			break;
-		    case scan_pre_prolog:
-		    case scan_prolog:
-			code = dsc_scan_prolog(dsc);
-			break;
-		    case scan_pre_setup:
-		    case scan_setup:
-			code = dsc_scan_setup(dsc);
-			break;
-		    case scan_pre_pages:
-		    case scan_pages:
-			code = dsc_scan_page(dsc);
-			break;
-		    case scan_pre_trailer:
-		    case scan_trailer:
-			code = dsc_scan_trailer(dsc);
-			break;
-		    case scan_eof:
-			code = CDSC_OK;
-			break;
-		    default:
-			/* invalid state */
-			code = CDSC_ERROR;
-		}
-		/* repeat if line is start of next section */
-	    } while (code == CDSC_PROPAGATE);
-
-	    /* if DOS EPS header not complete, ask for more */
-	    if (code == CDSC_NEEDMORE) {
-		code = CDSC_OK;
-		break;
-	    }
-	    if (code == CDSC_NOTDSC) {
-		dsc->id = CDSC_NOTDSC;
-		break;
-	    }
-	}
-    } while (length != 0);
-
-    return (code < 0) ? code : dsc->id;
-}
-
-/* Tidy up from incorrect DSC comments */
-int 
-dsc_fixup(CDSC *dsc)
-{
-    unsigned int i;
-    char buf[32];
-    unsigned long *last;
-
-    if (dsc->id == CDSC_NOTDSC)
-	return 0;
-
-    /* flush last partial line */
-    dsc_scan_data(dsc, NULL, 0);
-
-    /* Fix DSC error: code between %%EndSetup and %%Page */
-    if (dsc->page_count && (dsc->page[0].begin != dsc->endsetup)
-		&& (dsc->endsetup != dsc->beginsetup)) {
-	dsc->endsetup = dsc->page[0].begin;
-	dsc_debug_print(dsc, "Warning: code included between setup and first page\n");
-    }
-
-    /* Last page contained a false trailer, */
-    /* so extend last page to start of trailer */
-    if (dsc->page_count && (dsc->begintrailer != 0) &&
-	(dsc->page[dsc->page_count-1].end != dsc->begintrailer)) {
-	dsc_debug_print(dsc, "Ignoring earlier misplaced trailer\n");
-	dsc_debug_print(dsc, "and extending last page to start of trailer\n"); 
-	dsc->page[dsc->page_count-1].end = dsc->begintrailer;
-    }
-
-    /* 
-     * Join up all sections.
-     * There might be extra code between them, or we might have
-     * missed including the \n which followed \r.
-     */
-    last = &dsc->endcomments;
-    dsc_section_join(dsc->beginpreview, &dsc->endpreview, &last);
-    dsc_section_join(dsc->begindefaults, &dsc->enddefaults, &last);
-    dsc_section_join(dsc->beginprolog, &dsc->endprolog, &last);
-    dsc_section_join(dsc->beginsetup, &dsc->endsetup, &last);
-    for (i=0; i<dsc->page_count; i++)
-	dsc_section_join(dsc->page[i].begin, &dsc->page[i].end, &last);
-    if (dsc->begintrailer)
-	*last = dsc->begintrailer;
-	
-    if ((dsc->page_pages == 0) && (dsc->page_count == 1)) {
-	/* don't flag an error if %%Pages absent but one %%Page found */
-	/* adjust incorrect page count */
-	dsc->page_pages = dsc->page_count;
-    }
-
-    /* Warnings and Errors that we can now identify */
-    if ((dsc->page_count != dsc->page_pages)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_PAGES_WRONG, NULL, 0);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* adjust incorrect page count */
-		dsc->page_pages = dsc->page_count;
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		break;;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    if (dsc->epsf && (dsc->bbox == (CDSCBBOX *)NULL)) {
-	/* EPS files MUST include a BoundingBox */
-	int rc = dsc_error(dsc, CDSC_MESSAGE_EPS_NO_BBOX, NULL, 0);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* Assume that it is EPS */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* Is NOT an EPS file */
-		dsc->epsf = FALSE;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    if (dsc->epsf && ((dsc->page_count > 1) || (dsc->page_pages > 1))) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_EPS_PAGES, NULL, 0);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* Is an EPS file */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* Is NOT an EPS file */
-		dsc->epsf = FALSE;
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    if ((dsc->media_count == 1) && (dsc->page_media == NULL)) {
-	/* if one only media was specified, and default page media */
-	/* was not specified, assume that default is the only media. */
-	dsc->page_media = dsc->media[0];
-    }
-
-    if ((dsc->media_count != 0) && (dsc->page_media == NULL)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_NO_MEDIA, NULL, 0);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* default media is first listed */
-		dsc->page_media = dsc->media[0];
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* No default media */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    /* make sure all pages have a label */
-    for (i=0; i<dsc->page_count; i++) {
-	if (strlen(dsc->page[i].label) == 0) {
-	    sprintf(buf, "%d", i+1);
-	    if ((dsc->page[i].label = dsc_alloc_string(dsc, buf, strlen(buf))) 
-		== (char *)NULL)
-		return CDSC_ERROR;	/* no memory */
-	}
-    }
-    return CDSC_OK;
-}
-
-/* Install a function to be used for displaying messages about 
- * DSC errors and warnings, and to request advice from user.
- * Installing an error function is optional.
- */
-void 
-dsc_set_error_function(CDSC *dsc, 
-	int (*fn)(P5(void *caller_data, CDSC *dsc, 
-	unsigned int explanation, const char *line, unsigned int line_len)))
-{
-    dsc->dsc_error_fn = fn;
-}
-
-
-/* Install a function for printing debug messages */
-/* This is optional */
-void 
-dsc_set_debug_function(CDSC *dsc, 
-	void (*debug_fn)(P2(void *caller_data, const char *str)))
-{
-    dsc->debug_print_fn = debug_fn;
-}
-
-/* Doesn't need to be public for PostScript documents */
-/* Made public so GSview can add pages when processing PDF files */
-int 
-dsc_add_page(CDSC *dsc, int ordinal, char *label)
-{
-    dsc->page[dsc->page_count].ordinal = ordinal;
-    dsc->page[dsc->page_count].label = 
-	dsc_alloc_string(dsc, label, strlen(label)+1);
-    dsc->page[dsc->page_count].begin = 0;
-    dsc->page[dsc->page_count].end = 0;
-    dsc->page[dsc->page_count].orientation = CDSC_ORIENT_UNKNOWN;
-    dsc->page[dsc->page_count].media = NULL;
-    dsc->page[dsc->page_count].bbox = NULL;
-    dsc->page[dsc->page_count].viewing_orientation = NULL;
-
-    dsc->page_count++;
-    if (dsc->page_count >= dsc->page_chunk_length) {
-	CDSCPAGE *new_page = (CDSCPAGE *)dsc_memalloc(dsc, 
-	    (CDSC_PAGE_CHUNK+dsc->page_count) * sizeof(CDSCPAGE));
-	if (new_page == NULL)
-	    return CDSC_ERROR;	/* out of memory */
-	memcpy(new_page, dsc->page, 
-	    dsc->page_count * sizeof(CDSCPAGE));
-	dsc_memfree(dsc, dsc->page);
-	dsc->page= new_page;
-	dsc->page_chunk_length = CDSC_PAGE_CHUNK+dsc->page_count;
-    }
-    return CDSC_OK;
-}
-
-/* Doesn't need to be public for PostScript documents */
-/* Made public so GSview can store PDF MediaBox */
-int
-dsc_add_media(CDSC *dsc, CDSCMEDIA *media)
-{
-    CDSCMEDIA **newmedia_array;
-    CDSCMEDIA *newmedia;
-
-    /* extend media array  */
-    newmedia_array = (CDSCMEDIA **)dsc_memalloc(dsc, 
-	(dsc->media_count + 1) * sizeof(CDSCMEDIA *));
-    if (newmedia_array == NULL)
-	return CDSC_ERROR;	/* out of memory */
-    if (dsc->media != NULL) {
-	memcpy(newmedia_array, dsc->media, 
-	    dsc->media_count * sizeof(CDSCMEDIA *));
-	dsc_memfree(dsc, dsc->media);
-    }
-    dsc->media = newmedia_array;
-
-    /* allocate new media */
-    newmedia = dsc->media[dsc->media_count] =
-	(CDSCMEDIA *)dsc_memalloc(dsc, sizeof(CDSCMEDIA));
-    if (newmedia == NULL)
-	return CDSC_ERROR;	/* out of memory */
-    newmedia->name = NULL;
-    newmedia->width = 595.0;
-    newmedia->height = 842.0;
-    newmedia->weight = 80.0;
-    newmedia->colour = NULL;
-    newmedia->type = NULL;
-    newmedia->mediabox = NULL;
-
-    dsc->media_count++;
-
-    if (media->name) {
-	newmedia->name = dsc_alloc_string(dsc, media->name,
-	    strlen(media->name));
-	if (newmedia->name == NULL)
-	    return CDSC_ERROR;	/* no memory */
-    }
-    newmedia->width = media->width;
-    newmedia->height = media->height;
-    newmedia->weight = media->weight;
-    if (media->colour) {
-	newmedia->colour = dsc_alloc_string(dsc, media->colour, 
-	    strlen(media->colour));
-        if (newmedia->colour == NULL)
-	    return CDSC_ERROR;	/* no memory */
-    }
-    if (media->type) {
-	newmedia->type = dsc_alloc_string(dsc, media->type, 
-	    strlen(media->type));
-	if (newmedia->type == NULL)
-	    return CDSC_ERROR;	/* no memory */
-    }
-    newmedia->mediabox = NULL;
-
-    if (media->mediabox) {
-	newmedia->mediabox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
-	if (newmedia->mediabox == NULL)
-	    return CDSC_ERROR;	/* no memory */
-	*newmedia->mediabox = *media->mediabox;
-    }
-    return CDSC_OK;
-}
-
-/* Doesn't need to be public for PostScript documents */
-/* Made public so GSview can store PDF CropBox */
-int
-dsc_set_page_bbox(CDSC *dsc, unsigned int page_number, 
-    int llx, int lly, int urx, int ury)
-{
-    CDSCBBOX *bbox;
-    if (page_number >= dsc->page_count)
-	return CDSC_ERROR;
-    bbox = dsc->page[page_number].bbox;
-    if (bbox == NULL)
-	dsc->page[page_number].bbox = bbox = 
-	    (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
-    if (bbox == NULL)
-	return CDSC_ERROR;
-    bbox->llx = llx;
-    bbox->lly = lly;
-    bbox->urx = urx;
-    bbox->ury = ury;
-    return CDSC_OK;
-}
-
-
-/******************************************************************/
-/* Private functions below here.                                  */
-/******************************************************************/
-
-dsc_private void *
-dsc_memalloc(CDSC *dsc, size_t size)
-{
-    if (dsc->memalloc)
-	return dsc->memalloc(size, dsc->mem_closure_data);
-    return malloc(size);
-}
-
-dsc_private void
-dsc_memfree(CDSC*dsc, void *ptr)
-{
-    if (dsc->memfree) 
-	dsc->memfree(ptr, dsc->mem_closure_data);
-    else
-	free(ptr);
-}
-
-/* private constructor */
-dsc_private CDSC *
-dsc_init2(CDSC *dsc)
-{
-    dsc_reset(dsc);
-
-    dsc->string_head = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
-    if (dsc->string_head == NULL) {
-	dsc_free(dsc);
-	return NULL;	/* no memory */
-    }
-    dsc->string = dsc->string_head;
-    dsc->string->next = NULL;
-    dsc->string->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
-    if (dsc->string->data == NULL) {
-	dsc_free(dsc);
-	return NULL;	/* no memory */
-    }
-    dsc->string->index = 0;
-    dsc->string->length = CDSC_STRING_CHUNK;
-	
-    dsc->page = (CDSCPAGE *)dsc_memalloc(dsc, CDSC_PAGE_CHUNK * sizeof(CDSCPAGE));
-    if (dsc->page == NULL) {
-	dsc_free(dsc);
-	return NULL;	/* no memory */
-    }
-    dsc->page_chunk_length = CDSC_PAGE_CHUNK;
-    dsc->page_count = 0;
-	
-    dsc->line = NULL;
-    dsc->data_length = 0;
-    dsc->data_index = dsc->data_length;
-
-    return dsc;
-}
-
-
-dsc_private void 
-dsc_reset(CDSC *dsc)
-{
-    unsigned int i;
-    /* Clear public members */
-    dsc->dsc = FALSE;
-    dsc->ctrld = FALSE;
-    dsc->pjl = FALSE;
-    dsc->epsf = FALSE;
-    dsc->pdf = FALSE;
-    dsc->epsf = FALSE;
-    dsc->preview = CDSC_NOPREVIEW;
-    dsc->dsc_version = NULL;	/* stored in dsc->string */
-    dsc->language_level = 0;
-    dsc->document_data = CDSC_DATA_UNKNOWN;
-    dsc->begincomments = 0;
-    dsc->endcomments = 0;
-    dsc->beginpreview = 0;
-    dsc->endpreview = 0;
-    dsc->begindefaults = 0;
-    dsc->enddefaults = 0;
-    dsc->beginprolog = 0;
-    dsc->endprolog = 0;
-    dsc->beginsetup = 0;
-    dsc->endsetup = 0;
-    dsc->begintrailer = 0;
-    dsc->endtrailer = 0;
-	
-    for (i=0; i<dsc->page_count; i++) {
-	/* page media is pointer to an element of media or dsc_known_media */
-	/* do not free it. */
-
-	if (dsc->page[i].bbox)
-	    dsc_memfree(dsc, dsc->page[i].bbox);
-	if (dsc->page[i].viewing_orientation)
-	    dsc_memfree(dsc, dsc->page[i].viewing_orientation);
-    }
-    if (dsc->page)
-	dsc_memfree(dsc, dsc->page);
-    dsc->page = NULL;
-	
-    dsc->page_count = 0;
-    dsc->page_pages = 0;
-    dsc->page_order = CDSC_ORDER_UNKNOWN;
-    dsc->page_orientation = CDSC_ORIENT_UNKNOWN;
-    if (dsc->viewing_orientation)
-	dsc_memfree(dsc, dsc->viewing_orientation);
-    dsc->viewing_orientation = NULL;
-	
-    if (dsc->media) {
-	for (i=0; i<dsc->media_count; i++) {
-	    if (dsc->media[i]) {
-		if (dsc->media[i]->mediabox)
-		    dsc_memfree(dsc, dsc->media[i]->mediabox);
-		dsc_memfree(dsc, dsc->media[i]);
-	    }
-	}
-	dsc_memfree(dsc, dsc->media);
-    }
-    dsc->media_count = 0;
-    dsc->media = NULL;
-
-    /* page_media is pointer to an element of media or dsc_known_media */
-    /* do not free it. */
-    dsc->page_media = NULL;
-
-    if (dsc->bbox)
-	dsc_memfree(dsc, dsc->bbox);
-    dsc->bbox = NULL;
-    if (dsc->page_bbox)
-	dsc_memfree(dsc, dsc->page_bbox);
-    dsc->page_bbox = NULL;
-    if (dsc->doseps)
-	dsc_memfree(dsc, dsc->doseps);
-    dsc->doseps = NULL;
-	
-    dsc->dsc_title = NULL;
-    dsc->dsc_creator = NULL;
-    dsc->dsc_date = NULL;
-    dsc->dsc_for = NULL;
-	
-
-    dsc->max_error = DSC_MAX_ERROR;
-    dsc->severity = dsc_severity;
-
-    /* Clear private members */
-    /* Don't touch dsc->caller_data */
-    dsc->id = CDSC_OK;
-    dsc->scan_section = scan_none;
-    dsc->doseps_end = 0;
-    dsc->page_chunk_length = 0;
-    dsc->file_length = 0;
-    dsc->skip_document = 0;
-    dsc->skip_bytes = 0;
-    dsc->skip_lines = 0;
-    dsc->skip_pjl = 0;
-    dsc->begin_font_count = 0;
-    dsc->begin_feature_count = 0;
-    dsc->begin_resource_count = 0;
-    dsc->begin_procset_count = 0;
-
-    dsc->data_length = 0;
-    dsc->data_index = 0;
-    dsc->data_offset = 0;
-
-    dsc->eof = 0;
-	
-    dsc->line = 0;
-    dsc->line_length = 0;
-    dsc->eol = 0;
-    dsc->last_cr = FALSE;
-    dsc->line_count = 1;
-    dsc->long_line = FALSE;
-    memset(dsc->last_line, 0, sizeof(dsc->last_line));
-
-    dsc->string = dsc->string_head;
-    while (dsc->string != (CDSCSTRING *)NULL) {
-	if (dsc->string->data)
-	    dsc_memfree(dsc, dsc->string->data);
-	dsc->string_head = dsc->string;
-	dsc->string = dsc->string->next;
-	dsc_memfree(dsc, dsc->string_head);
-    }
-    dsc->string_head = NULL;
-    dsc->string = NULL;
-
-    /* don't touch caller functions */
-
-    /* public data */
-    if (dsc->hires_bbox)
-	dsc_memfree(dsc, dsc->hires_bbox);
-    dsc->hires_bbox = NULL;
-    if (dsc->crop_box)
-	dsc_memfree(dsc, dsc->crop_box);
-    dsc->crop_box = NULL;
-}
-
-/* 
-* Join up all sections.
-* There might be extra code between them, or we might have
-* missed including the \n which followed \r.
-* begin is the start of this section
-* pend is a pointer to the end of this section
-* pplast is a pointer to a pointer of the end of the previous section
-*/
-dsc_private void 
-dsc_section_join(unsigned long begin, unsigned long *pend, unsigned long **pplast)
-{
-    if (begin)
-	**pplast = begin;
-    if (*pend > begin)
-	*pplast = pend;
-}
-
-
-/* return value is 0 if no line available, or length of line */
-dsc_private int
-dsc_read_line(CDSC *dsc)
-{
-    char *p, *last;
-    dsc->line = NULL;
-
-    if (dsc->eof) {
-	/* return all that remains, even if line incomplete */
-	dsc->line = dsc->data + dsc->data_index;
-	dsc->line_length = dsc->data_length - dsc->data_index;
-	dsc->data_index = dsc->data_length;
-	return dsc->line_length;
-    }
-
-    /* ignore embedded bytes */
-    if (dsc->skip_bytes) {
-	int cnt = min(dsc->skip_bytes,
-		     (int)(dsc->data_length - dsc->data_index));
-	dsc->skip_bytes -= cnt;
-	dsc->data_index += cnt;
-	if (dsc->skip_bytes != 0)
-	    return 0;
-    }
-
-    do {
-	dsc->line = dsc->data + dsc->data_index;
-	last = dsc->data + dsc->data_length;
-	if (dsc->data_index == dsc->data_length) {
-	    dsc->line_length = 0;
-	    return 0;
-	}
-	if (dsc->eol) {
-	    /* if previous line was complete, increment line count */
-	    dsc->line_count++;
-	    if (dsc->skip_lines)
-		dsc->skip_lines--;
-	}
-	    
-	/* skip over \n which followed \r */
-	if (dsc->last_cr && dsc->line[0] == '\n') {
-	    dsc->data_index++;
-	    dsc->line++;
-	}
-	dsc->last_cr = FALSE;
-
-	/* look for EOL */
-	dsc->eol = FALSE;
-	for (p = dsc->line; p < last; p++) {
-	    if (*p == '\r') {
-		p++;
-		if ((p<last) && (*p == '\n'))
-		    p++;	/* include line feed also */
-		else
-		    dsc->last_cr = TRUE; /* we might need to skip \n */
-		dsc->eol = TRUE;	/* dsc->line is a complete line */
-		break;
-	    }
-	    if (*p == '\n') {
-		p++;
-		dsc->eol = TRUE;	/* dsc->line is a complete line */
-		break;
-	    }
-	    if (*p == '\032') {		/* MS-DOS Ctrl+Z */
-		dsc->eol = TRUE;
-	    }
-	}
-	if (dsc->eol == FALSE) {
-	    /* we haven't got a complete line yet */
-	    if (dsc->data_length - dsc->data_index < sizeof(dsc->data)/2) {
-		/* buffer is less than half full, ask for some more */
-		dsc->line_length = 0;
-		return 0;
-	    }
-	}
-	dsc->data_index += dsc->line_length = (p - dsc->line);
-    } while (dsc->skip_lines && dsc->line_length);
-
-    if (dsc->line_length == 0)
-	return 0;
-	
-    if ((dsc->line[0]=='%') && (dsc->line[1]=='%'))  {
-	/* handle recursive %%BeginDocument */
-	if ((dsc->skip_document) && dsc->line_length &&
-		COMPARE(dsc->line, "%%EndDocument")) {
-	    dsc->skip_document--;
-	}
-
-	/* handle embedded lines or binary data */
-	if (COMPARE(dsc->line, "%%BeginData:")) {
-	    /* %%BeginData: <numberof>[ <type> [ <bytesorlines> ] ] 
-	     * <numberof> ::= <uint> (Lines or physical bytes) 
-	     * <type> ::= Hex | Binary | ASCII (Type of data) 
-	     * <bytesorlines> ::= Bytes | Lines (Read in bytes or lines) 
-	     */
-	    char begindata[MAXSTR+1];
-	    int cnt;
-            unsigned int num;
-	    const char *numberof, *bytesorlines;
-            if ((num = dsc->line_length) >= sizeof(begindata)-1)
-                num = sizeof(begindata)-1;
- 
-            memcpy(begindata, dsc->line, num);
-            begindata[num] = '\0';
-	    numberof = strtok(begindata+12, " \r\n");
-	    strtok(NULL, " \r\n");	/* dump type */
-	    bytesorlines = strtok(NULL, " \r\n");
-	    if (bytesorlines == NULL)
-		bytesorlines = "Bytes";
-	   
-	    if ( (numberof == NULL) || (bytesorlines == NULL) ) {
-		/* invalid usage of %%BeginData */
-		/* ignore that we ever saw it */
-		int rc = dsc_error(dsc, CDSC_MESSAGE_INCORRECT_USAGE, 
-			    dsc->line, dsc->line_length);
-		switch (rc) {
-		    case CDSC_RESPONSE_OK:
-		    case CDSC_RESPONSE_CANCEL:
-			break;
-		    case CDSC_RESPONSE_IGNORE_ALL:
-			return 0;
-		}
-	    }
-	    else {
-		cnt = atoi(numberof);
-		if (cnt) {
-		    if (bytesorlines && (dsc_stricmp(bytesorlines, "Lines")==0)) {
-			/* skip cnt lines */
-			if (dsc->skip_lines == 0) {
-			    /* we are not already skipping lines */
-			    dsc->skip_lines = cnt+1;
-			}
-		    }
-		    else {
-			/* byte count doesn't includes \n or \r\n  */
-			/* or \r of %%BeginData: */
-			/* skip cnt bytes */
-			if (dsc->skip_bytes == 0) {
-			    /* we are not already skipping lines */
-			    dsc->skip_bytes = cnt;
-			}
-
-		    }
-		}
-	    }
-	}
-	else if (COMPARE(dsc->line, "%%BeginBinary:")) {
-	    /* byte count doesn't includes \n or \r\n or \r of %%BeginBinary:*/
-	    unsigned long cnt = atoi(dsc->line + 14);
-	    if (dsc->skip_bytes == 0) {
-		/* we are not already skipping lines */
-		dsc->skip_bytes = cnt;
-	    }
-	}
-    }
-	
-    if ((dsc->line[0]=='%') && (dsc->line[1]=='%') &&
-	COMPARE(dsc->line, "%%BeginDocument:") ) {
-	/* Skip over embedded document, recursively */
-	dsc->skip_document++;
-    }
-
-    if (!dsc->long_line && (dsc->line_length > DSC_LINE_LENGTH)) {
-	dsc_error(dsc, CDSC_MESSAGE_LONG_LINE, dsc->line, dsc->line_length);
-        dsc->long_line = TRUE;
-    }
-	
-    return dsc->line_length;
-}
-
-
-/* Save last DSC line, for use with %%+ */
-dsc_private void 
-dsc_save_line(CDSC *dsc)
-{
-    int len = min((size_t) sizeof(dsc->last_line), (size_t) dsc->line_length);
-    memcpy(dsc->last_line, dsc->line, len);
-}
-
-/* display unknown DSC line */
-dsc_private void 
-dsc_unknown(CDSC *dsc)
-{
-    if (dsc->debug_print_fn) {
-	char line[DSC_LINE_LENGTH];
-	unsigned int length = min((unsigned)DSC_LINE_LENGTH-1, dsc->line_length);
-	sprintf(line, "Unknown in %s section at line %d:\n  ", 
-	    dsc_scan_section_name[dsc->scan_section], dsc->line_count);
-	dsc_debug_print(dsc, line);
-	strncpy(line, dsc->line, length);
-	line[length] = '\0';
-	dsc_debug_print(dsc, line);
-    }
-}
-
-
-dsc_private GSBOOL
-dsc_is_section(char *line)
-{
-    if ( !((line[0]=='%') && (line[1]=='%')) )
-	return FALSE;
-    if (IS_DSC(line, "%%BeginPreview"))
-	return TRUE;
-    if (IS_DSC(line, "%%BeginDefaults"))
-	return TRUE;
-    if (IS_DSC(line, "%%BeginProlog"))
-	return TRUE;
-    if (IS_DSC(line, "%%BeginSetup"))
-	return TRUE;
-    if (IS_DSC(line, "%%Page:"))
-	return TRUE;
-    if (IS_DSC(line, "%%Trailer"))
-	return TRUE;
-    if (IS_DSC(line, "%%EOF"))
-	return TRUE;
-    return FALSE;
-}
-
-
-dsc_private GSDWORD
-dsc_get_dword(const unsigned char *buf)
-{
-    GSDWORD dw;
-    dw = (GSDWORD)buf[0];
-    dw += ((GSDWORD)buf[1])<<8;
-    dw += ((GSDWORD)buf[2])<<16;
-    dw += ((GSDWORD)buf[3])<<24;
-    return dw;
-}
-
-dsc_private GSWORD
-dsc_get_word(const unsigned char *buf)
-{
-    GSWORD w;
-    w = (GSWORD)buf[0];
-    w |= (GSWORD)(buf[1]<<8);
-    return w;
-}
-
-dsc_private int
-dsc_read_doseps(CDSC *dsc)
-{
-    unsigned char *line = (unsigned char *)dsc->line;
-    if ((dsc->doseps = (CDSCDOSEPS *)dsc_memalloc(dsc, sizeof(CDSCDOSEPS))) == NULL)
-	return CDSC_ERROR;	/* no memory */
-	
-    dsc->doseps->ps_begin = dsc_get_dword(line+4);
-    dsc->doseps->ps_length = dsc_get_dword(line+8);
-    dsc->doseps->wmf_begin = dsc_get_dword(line+12);
-    dsc->doseps->wmf_length = dsc_get_dword(line+16);
-    dsc->doseps->tiff_begin = dsc_get_dword(line+20);
-    dsc->doseps->tiff_length = dsc_get_dword(line+24);
-    dsc->doseps->checksum = dsc_get_word(line+28);
-	
-    dsc->doseps_end = dsc->doseps->ps_begin + dsc->doseps->ps_length;
-
-    /* move data_index backwards to byte after doseps header */
-    dsc->data_index -= dsc->line_length - 30;
-    /* we haven't read a line of PostScript code yet */
-    dsc->line_count = 0;
-    /* skip from current position to start of PostScript section */
-    dsc->skip_bytes = dsc->doseps->ps_begin - 30;
-
-    if (dsc->doseps->tiff_begin)
-	dsc->preview = CDSC_TIFF;
-    if (dsc->doseps->wmf_begin)
-	dsc->preview = CDSC_WMF;
-
-    return CDSC_OK;
-}
-
-
-
-dsc_private int 
-dsc_parse_pages(CDSC *dsc)
-{
-    int ip, io; 
-    unsigned int i;
-    char *p;
-    int n;
-    if ((dsc->page_pages != 0) && (dsc->scan_section == scan_comments)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((dsc->page_pages != 0) && (dsc->scan_section == scan_trailer)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		break;		/* use duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    n = IS_DSC(dsc->line, "%%+") ? 3 : 8;
-    while (IS_WHITE(dsc->line[n]))
-	n++;
-    p = dsc->line + n;
-    if (COMPARE(p, "atend")) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line, dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* assume (atend) */
-		/* we should mark it as deferred */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore it */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (COMPARE(p, "(atend)")) {
-	/* do nothing */
-	/* we should mark it as deferred */
-    }
-    else {
-	ip = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-        if (i) {
-	    n+=i;
-	    dsc->page_pages = ip;
-	    io = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	    if (i) {
-		/* DSC 2 uses extra integer to indicate page order */
-		/* DSC 3 uses %%PageOrder: */
-		if (dsc->page_order == CDSC_ORDER_UNKNOWN)
-		    switch (io) {
-			case -1:
-			    dsc->page_order = CDSC_DESCEND;
-			    break;
-			case 0:
-			    dsc->page_order = CDSC_SPECIAL;
-			    break;
-			case 1:
-			    dsc->page_order = CDSC_ASCEND;
-			    break;
-		    }
-	    }
-	}
-	else {
-	    int rc = dsc_error(dsc, CDSC_MESSAGE_INCORRECT_USAGE, dsc->line, 
-		dsc->line_length);
-	    switch (rc) {
-		case CDSC_RESPONSE_OK:
-		case CDSC_RESPONSE_CANCEL:
-		    /* ignore it */
-		    break;
-		case CDSC_RESPONSE_IGNORE_ALL:
-		    return CDSC_NOTDSC;
-	    }
-	}
-    }
-    return CDSC_OK;
-}
-
-dsc_private int 
-dsc_parse_bounding_box(CDSC *dsc, CDSCBBOX** pbbox, int offset)
-{
-    unsigned int i, n;
-    int llx, lly, urx, ury;
-    float fllx, flly, furx, fury;
-    char *p;
-    /* Process first %%BoundingBox: in comments, and last in trailer */
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_comments)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_pages)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_trailer)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		break;		/* use duplicate comments in trailer */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if (*pbbox != NULL) {
-	dsc_memfree(dsc, *pbbox);
-	*pbbox = NULL;
-    }
-
-    /* should only process first %%BoundingBox: */
-
-    while (IS_WHITE(dsc->line[offset]))
-	offset++;
-    p = dsc->line + offset;
-    
-    if (COMPARE(p, "atend")) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* assume (atend) */
-		/* we should mark it as deferred */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore it */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (COMPARE(p, "(atend)")) {
-	/* do nothing */
-	/* we should mark it as deferred */
-    }
-    else {
-        /* llx = */ lly = urx = ury = 0;
-	n = offset;
-	llx = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    lly = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    urx = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    ury = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	if (i) {
-	    *pbbox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
-	    if (*pbbox == NULL)
-		return CDSC_ERROR;	/* no memory */
-	    (*pbbox)->llx = llx;
-	    (*pbbox)->lly = lly;
-	    (*pbbox)->urx = urx;
-	    (*pbbox)->ury = ury;
-	}
-	else {
-	    int rc = dsc_error(dsc, CDSC_MESSAGE_BBOX, dsc->line, 
-		dsc->line_length);
-	    switch (rc) {
-	      case CDSC_RESPONSE_OK:
-		/* fllx = */ flly = furx = fury = 0.0;
-		n = offset;
-		n += i;
-		fllx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-		n += i;
-		if (i)
-		    flly = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-		n += i;
-		if (i)
-		    furx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-		n += i;
-		if (i)
-		    fury = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-		if (i) {
-		    *pbbox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
-		    if (*pbbox == NULL)
-			return CDSC_ERROR;	/* no memory */
-			(*pbbox)->llx = (int)fllx;
-			(*pbbox)->lly = (int)flly;
-			(*pbbox)->urx = (int)(furx+0.999);
-			(*pbbox)->ury = (int)(fury+0.999);
-		}
-		return CDSC_OK;
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	  }
-	}
-    }
-    return CDSC_OK;
-}
-
-dsc_private int 
-dsc_parse_float_bounding_box(CDSC *dsc, CDSCFBBOX** pbbox, int offset)
-{
-    unsigned int i, n;
-    float fllx, flly, furx, fury;
-    char *p;
-    /* Process first %%HiResBoundingBox: or %%CropBox: in comments, 
-     * and last in trailer.
-     */
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_comments)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_pages)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((*pbbox != NULL) && (dsc->scan_section == scan_trailer)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		break;		/* use duplicate comments in trailer */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if (*pbbox != NULL) {
-	dsc_memfree(dsc, *pbbox);
-	*pbbox = NULL;
-    }
-
-    /* should only process first %%BoundingBox: */
-
-    while (IS_WHITE(dsc->line[offset]))
-	offset++;
-    p = dsc->line + offset;
-    
-    if (COMPARE(p, "atend")) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* assume (atend) */
-		/* we should mark it as deferred */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore it */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (COMPARE(p, "(atend)")) {
-	/* do nothing */
-	/* we should mark it as deferred */
-    }
-    else {
-	/* fllx = */ flly = furx = fury = 0.0;
-	n = offset;
-	fllx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    flly = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    furx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n += i;
-	if (i)
-	    fury = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	if (i) {
-	    *pbbox = (CDSCFBBOX *)dsc_memalloc(dsc, sizeof(CDSCFBBOX));
-	    if (*pbbox == NULL)
-		return CDSC_ERROR;	/* no memory */
-	    (*pbbox)->fllx = fllx;
-	    (*pbbox)->flly = flly;
-	    (*pbbox)->furx = furx;
-	    (*pbbox)->fury = fury;
-	}
-    }
-    return CDSC_OK;
-}
-
-dsc_private int 
-dsc_parse_orientation(CDSC *dsc, unsigned int *porientation, int offset)
-{
-    char *p;
-    if ((dsc->page_orientation != CDSC_ORIENT_UNKNOWN) && 
-	(dsc->scan_section == scan_comments)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((dsc->page_orientation != CDSC_ORIENT_UNKNOWN) && 
-	(dsc->scan_section == scan_trailer)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		break;		/* use duplicate comments in header; */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    p = dsc->line + offset;
-    while (IS_WHITE(*p))
-	p++;
-    if (COMPARE(p, "atend")) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line, dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* assume (atend) */
-		/* we should mark it as deferred */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore it */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (COMPARE(p, "(atend)")) {
-	/* do nothing */
-	/* we should mark it as deferred */
-    }
-    else if (COMPARE(p, "Portrait")) {
-	*porientation = CDSC_PORTRAIT;
-    }
-    else if (COMPARE(p, "Landscape")) {
-	*porientation = CDSC_LANDSCAPE;
-    }
-    else {
-	dsc_unknown(dsc);
-    }
-    return CDSC_OK;
-}
-
-dsc_private int 
-dsc_parse_order(CDSC *dsc)
-{
-    char *p;
-    if ((dsc->page_order != CDSC_ORDER_UNKNOWN) && 
-	(dsc->scan_section == scan_comments)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		return CDSC_OK;	/* ignore duplicate comments in header */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    if ((dsc->page_order != CDSC_ORDER_UNKNOWN) && 
-	(dsc->scan_section == scan_trailer)) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-	    case CDSC_RESPONSE_CANCEL:
-		break;		/* use duplicate comments in trailer */
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    p = dsc->line + (IS_DSC(dsc->line, "%%+") ? 3 : 13);
-    while (IS_WHITE(*p))
-	p++;
-    if (COMPARE(p, "atend")) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* assume (atend) */
-		/* we should mark it as deferred */
-		break;
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore it */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (COMPARE(p, "(atend)")) {
-	/* do nothing */
-	/* we should mark it as deferred */
-    }
-    else if (COMPARE(p, "Ascend")) {
-	dsc->page_order = CDSC_ASCEND;
-    }
-    else if (COMPARE(p, "Descend")) {
-	dsc->page_order = CDSC_DESCEND;
-    }
-    else if (COMPARE(p, "Special")) {
-	dsc->page_order = CDSC_SPECIAL;
-    }
-    else {
-	dsc_unknown(dsc);
-    }
-    return CDSC_OK;
-}
-
-
-dsc_private int 
-dsc_parse_media(CDSC *dsc, const CDSCMEDIA **page_media)
-{
-    char media_name[MAXSTR];
-    int n = IS_DSC(dsc->line, "%%+") ? 3 : 12; /* %%PageMedia: */
-    unsigned int i;
-
-    if (dsc_copy_string(media_name, sizeof(media_name)-1,
-	dsc->line+n, dsc->line_length-n, NULL)) {
-	for (i=0; i<dsc->media_count; i++) {
-	    if (dsc->media[i]->name && 
-		(dsc_stricmp(media_name, dsc->media[i]->name) == 0)) {
-		*page_media = dsc->media[i];
-		return CDSC_OK;
-	    }
-	}
-    }
-    dsc_unknown(dsc);
-    
-    return CDSC_OK;
-}
-
-
-dsc_private int 
-dsc_parse_document_media(CDSC *dsc)
-{
-    unsigned int i, n;
-    CDSCMEDIA lmedia;
-    GSBOOL blank_line;
-
-    if (IS_DSC(dsc->line, "%%DocumentMedia:"))
-	n = 16;
-    else if (IS_DSC(dsc->line, "%%+"))
-	n = 3;
-    else
-	return CDSC_ERROR;	/* error */
-
-    /* check for blank remainder of line */
-    blank_line = TRUE;
-    for (i=n; i<dsc->line_length; i++) {
-	if (!IS_WHITE_OR_EOL(dsc->line[i])) {
-	    blank_line = FALSE;
-	    break;
-	}
-    }
-
-    if (!blank_line) {
-	char name[MAXSTR];
-	char colour[MAXSTR];
-	char type[MAXSTR];
-	lmedia.name = lmedia.colour = lmedia.type = (char *)NULL;
-	lmedia.width = lmedia.height = lmedia.weight = 0;
-	lmedia.mediabox = (CDSCBBOX *)NULL;
-	lmedia.name = dsc_copy_string(name, sizeof(name)-1,
-		dsc->line+n, dsc->line_length-n, &i);
-	n+=i;
-	if (i)
-	    lmedia.width = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n+=i;
-	if (i)
-	    lmedia.height = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n+=i;
-	if (i)
-	    lmedia.weight = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	n+=i;
-	if (i)
-	    lmedia.colour = dsc_copy_string(colour, sizeof(colour)-1,
-		dsc->line+n, dsc->line_length-n, &i);
-	n+=i;
-	if (i)
-	    lmedia.type = dsc_copy_string(type, sizeof(type)-1,
-		dsc->line+n, dsc->line_length-n, &i);
-
-	if (i==0)
-	    dsc_unknown(dsc); /* we didn't get all fields */
-	else {
-	    if (dsc_add_media(dsc, &lmedia))
-		return CDSC_ERROR;	/* out of memory */
-	}
-    }
-    return CDSC_OK;
-}
-
-/* viewing orientation is believed to be the first four elements of
- * a CTM matrix
- */
-dsc_private int 
-dsc_parse_viewing_orientation(CDSC *dsc, CDSCCTM **pctm)
-{
-    CDSCCTM ctm;
-    unsigned int i, n;
-
-    if (*pctm != NULL) {
-	dsc_memfree(dsc, *pctm);
-	*pctm = NULL;
-    }
-
-    n = IS_DSC(dsc->line, "%%+") ? 3 : 21;  /* %%ViewingOrientation: */
-    while (IS_WHITE(dsc->line[n]))
-	n++;
-
-    /* ctm.xx = */ ctm.xy = ctm.yx = ctm.yy = 0.0;
-    ctm.xx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-    n += i;
-    if (i)
-        ctm.xy = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-    n += i;
-    if (i)
-        ctm.yx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-    n += i;
-    if (i)
-        ctm.yy = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-    if (i==0) {
-	dsc_unknown(dsc); /* we didn't get all fields */
-    }
-    else {
-	*pctm = (CDSCCTM *)dsc_memalloc(dsc, sizeof(CDSCCTM));
-	if (*pctm == NULL)
-	    return CDSC_ERROR;	/* no memory */
-	**pctm = ctm;
-    }
-    return CDSC_OK;
-}
-   
-
-/* This is called before dsc_read_line(), since we may
- * need to skip a binary header which contains a new line
- * character
- */
-dsc_private int 
-dsc_scan_type(CDSC *dsc)
-{
-    unsigned char *p;
-    unsigned char *line = (unsigned char *)(dsc->data + dsc->data_index);
-    int length = dsc->data_length - dsc->data_index;
-
-    /* Types that should be known:
-     *   DSC
-     *   EPSF
-     *   PJL + any of above
-     *   ^D + any of above
-     *   DOS EPS
-     *   PDF
-     *   non-DSC
-     */
-
-    /* First process any non PostScript headers */
-    /* At this stage we do not have a complete line */
-
-    if (length == 0)
-	return CDSC_NEEDMORE;
-
-    if (dsc->skip_pjl) {
-	/* skip until first PostScript comment */
-	while (length >= 2) {
-	    while (length && !IS_EOL(line[0])) {
-		/* skip until EOL character */
-		line++;
-		dsc->data_index++;
-		length--;
-	    }
-	    while ((length >= 2) && IS_EOL(line[0]) && IS_EOL(line[1])) {
-		/* skip until EOL followed by non-EOL */
-		line++;
-		dsc->data_index++;
-		length--;
-	    }
-	    if (length < 2)
-		return CDSC_NEEDMORE;
-
-	    if (IS_EOL(line[0]) && line[1]=='%') {
-		line++;
-		dsc->data_index++;
-		length--;
-		dsc->skip_pjl = FALSE;
-		break;
-	    }
-	    else {
-		/* line++; */
-		dsc->data_index++;
-		/* length--; */
-		return CDSC_NEEDMORE;
-	    }
-	}
-	if (dsc->skip_pjl)
-	    return CDSC_NEEDMORE;
-    }
-
-    if (length == 0)
-	return CDSC_NEEDMORE;
-
-    if (line[0] == '\004') {
-	line++;
-	dsc->data_index++;
-	length--;
-	dsc->ctrld = TRUE;
-    }
-
-    if (line[0] == '\033') {
-	/* possibly PJL */
-	if (length < 9)
-	    return CDSC_NEEDMORE;
-	if (COMPARE(line, "\033%-12345X")) {
-	    dsc->skip_pjl = TRUE;  /* skip until first PostScript comment */
-	    dsc->pjl = TRUE;
-	    dsc->data_index += 9;
-	    return dsc_scan_type(dsc);
-	}
-    }
-
-    if ((line[0]==0xc5) && (length < 4))
-	return CDSC_NEEDMORE;
-    if ((line[0]==0xc5) && (line[1]==0xd0) && 
-	 (line[2]==0xd3) && (line[3]==0xc6) ) {
-	/* id is "EPSF" with bit 7 set */
-	/* read DOS EPS header, then ignore all bytes until the PS section */
-	if (length < 30)
-	    return CDSC_NEEDMORE;
-	dsc->line = (char *)line;
-	if (dsc_read_doseps(dsc))
-	    return CDSC_ERROR;
-    }
-    else {
-	if (length < 2)
-	    return CDSC_NEEDMORE;
-	if ((line[0] == '%') && (line[1] == 'P')) {
-	    if (length < 5)
-	        return CDSC_NEEDMORE;
-	    if (COMPARE(line, "%PDF-")) {
-		dsc->pdf = TRUE;
-		dsc->scan_section = scan_comments;
-		return CDSC_OK;
-	    }
-	}
-    }
-
-    /* Finally process PostScript headers */
-
-    if (dsc_read_line(dsc) <= 0)
-	return CDSC_NEEDMORE;
-	
-    dsc->dsc_version = dsc_add_line(dsc, dsc->line, dsc->line_length);
-    if (COMPARE(dsc->line, "%!PS-Adobe")) {
-	dsc->dsc = TRUE;
-	dsc->begincomments = DSC_START(dsc);
-	if (dsc->dsc_version == NULL)
-	    return CDSC_ERROR;	/* no memory */
-	p = (unsigned char *)dsc->line + 14;
-	while (IS_WHITE(*p))
-	    p++;
-	if (COMPARE(p, "EPSF-"))
-	    dsc->epsf = TRUE;
-	dsc->scan_section = scan_comments;
-	return CDSC_PSADOBE;
-    }
-    if (COMPARE(dsc->line, "%!")) {
-	dsc->scan_section = scan_comments;
-	return CDSC_NOTDSC;
-    }
-
-    dsc->scan_section = scan_comments;
-    return CDSC_NOTDSC;	/* unrecognised */
-}
-
-
-
-dsc_private int 
-dsc_scan_comments(CDSC *dsc)
-{
-    /* Comments section ends at */
-    /*  %%EndComments */
-    /*  another section */
-    /*  line that does not start with %% */
-    /* Save a few important lines */
-
-    char *line = dsc->line;
-    GSBOOL continued = FALSE;
-    dsc->id = CDSC_OK;
-    if (IS_DSC(line, "%%EndComments")) {
-	dsc->id = CDSC_ENDCOMMENTS;
-	dsc->endcomments = DSC_END(dsc);
-	dsc->scan_section = scan_pre_preview;
-	return CDSC_OK;
-    }
-    else if (IS_DSC(line, "%%BeginComments")) {
-	/* ignore because we are in this section */
-	dsc->id = CDSC_BEGINCOMMENTS;
-    }
-    else if (dsc_is_section(line)) {
-	dsc->endcomments = DSC_START(dsc);
-	dsc->scan_section = scan_pre_preview;
-	return CDSC_PROPAGATE;
-    }
-    else if (line[0] == '%' && IS_WHITE_OR_EOL(line[1])) {
-	dsc->endcomments = DSC_START(dsc);
-	dsc->scan_section = scan_pre_preview;
-	return CDSC_PROPAGATE;
-    }
-    else if (line[0] != '%') {
-	dsc->id = CDSC_OK;
-	dsc->endcomments = DSC_START(dsc);
-	dsc->scan_section = scan_pre_preview;
-	return CDSC_PROPAGATE;
-    }
-    else if (IS_DSC(line, "%%Begin")) {
-	dsc->endcomments = DSC_START(dsc);
-	dsc->scan_section = scan_pre_preview;
-	return CDSC_PROPAGATE;
-    }
-
-    /* Handle continuation lines.
-     * To simply processing, we assume that contination lines 
-     * will only occur if repeat parameters are allowed and that 
-     * a complete set of these parameters appears on each line.  
-     * This is more restrictive than the DSC specification, but
-     * is valid for the DSC comments understood by this parser
-     * for all documents that we have seen.
-     */
-    if (IS_DSC(line, "%%+")) {
-	line = dsc->last_line;
-	continued = TRUE;
-    }
-    else
-	dsc_save_line(dsc);
-
-    if (IS_DSC(line, "%%Pages:")) {
-	dsc->id = CDSC_PAGES;
-	if (dsc_parse_pages(dsc) != 0)
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%Creator:")) {
-	dsc->id = CDSC_CREATOR;
-	dsc->dsc_creator = dsc_add_line(dsc, dsc->line+10, dsc->line_length-10);
-	if (dsc->dsc_creator==NULL)
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%CreationDate:")) {
-	dsc->id = CDSC_CREATIONDATE;
-	dsc->dsc_date = dsc_add_line(dsc, dsc->line+15, dsc->line_length-15);
-	if (dsc->dsc_date==NULL)
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%Title:")) {
-	dsc->id = CDSC_TITLE;
-	dsc->dsc_title = dsc_add_line(dsc, dsc->line+8, dsc->line_length-8);
-	if (dsc->dsc_title==NULL)
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%For:")) {
-	dsc->id = CDSC_FOR;
-	dsc->dsc_for = dsc_add_line(dsc, dsc->line+6, dsc->line_length-6);
-	if (dsc->dsc_for==NULL)
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%LanguageLevel:")) {
-	unsigned int n = continued ? 3 : 16;
-	unsigned int i;
-	int ll;
-	dsc->id = CDSC_LANGUAGELEVEL;
-	ll = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
-	if (i) {
-	    if ( (ll==1) || (ll==2) || (ll==3) )
-		dsc->language_level = ll;
-	    else {
-		dsc_unknown(dsc);
-	    }
-	}
-	else 
-	    dsc_unknown(dsc);
-    }
-    else if (IS_DSC(line, "%%BoundingBox:")) {
-	dsc->id = CDSC_BOUNDINGBOX;
-	if (dsc_parse_bounding_box(dsc, &(dsc->bbox), continued ? 3 : 14))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%HiResBoundingBox:")) {
-	dsc->id = CDSC_HIRESBOUNDINGBOX;
-	if (dsc_parse_float_bounding_box(dsc, &(dsc->hires_bbox), 
-	    continued ? 3 : 19))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%CropBox:")) {
-	dsc->id = CDSC_CROPBOX;
-	if (dsc_parse_float_bounding_box(dsc, &(dsc->crop_box), 
-	    continued ? 3 : 10))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%Orientation:")) {
-	dsc->id = CDSC_ORIENTATION;
-	if (dsc_parse_orientation(dsc, &(dsc->page_orientation), 
-		continued ? 3 : 14))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%PageOrder:")) {
-	dsc->id = CDSC_PAGEORDER;
-	if (dsc_parse_order(dsc))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%DocumentMedia:")) {
-	dsc->id = CDSC_DOCUMENTMEDIA;
-	if (dsc_parse_document_media(dsc))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%DocumentPaperSizes:")) {
-	/* DSC 2.1 */
-	unsigned int n = continued ? 3 : 21;
-	unsigned int count = 0;
-	unsigned int i = 1;
-	char name[MAXSTR];
-	char *p;
-	dsc->id = CDSC_DOCUMENTPAPERSIZES;
-	while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
-	    p = dsc_copy_string(name, sizeof(name)-1,
-		    dsc->line+n, dsc->line_length-n, &i);
-	    if (i && p) {
-		const CDSCMEDIA *m = dsc_known_media;
-		if (count >= dsc->media_count) {
-		    /* set some default values */
-		    CDSCMEDIA lmedia;
-		    lmedia.name = p;
-		    lmedia.width = 595.0;
-		    lmedia.height = 842.0;
-		    lmedia.weight = 80.0;
-		    lmedia.colour = NULL;
-		    lmedia.type = NULL;
-		    lmedia.mediabox = NULL;
-		    if (dsc_add_media(dsc, &lmedia))
-			return CDSC_ERROR;
-		}
-		else
-		    dsc->media[count]->name = 
-			dsc_alloc_string(dsc, p, strlen(p));
-		/* find in list of known media */
-		while (m && m->name) {
-		    if (dsc_stricmp(p, m->name)==0) {
-			dsc->media[count]->width = m->width;
-			dsc->media[count]->height = m->height;
-			break;
-		    }
-		    m++;
-		}
-	    }
-	    n+=i;
-	    count++;
-	}
-    }
-    else if (IS_DSC(line, "%%DocumentPaperForms:")) {
-	/* DSC 2.1 */
-	unsigned int n = continued ? 3 : 21;
-	unsigned int count = 0;
-	unsigned int i = 1;
-	char type[MAXSTR];
-	char *p;
-	dsc->id = CDSC_DOCUMENTPAPERFORMS;
-	while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
-	    p = dsc_copy_string(type, sizeof(type)-1,
-		    dsc->line+n, dsc->line_length-n, &i);
-	    if (i && p) {
-		if (count >= dsc->media_count) {
-		    /* set some default values */
-		    CDSCMEDIA lmedia;
-		    lmedia.name = NULL;
-		    lmedia.width = 595.0;
-		    lmedia.height = 842.0;
-		    lmedia.weight = 80.0;
-		    lmedia.colour = NULL;
-		    lmedia.type = p;
-		    lmedia.mediabox = NULL;
-		    if (dsc_add_media(dsc, &lmedia))
-			return CDSC_ERROR;
-		}
-		else
-		    dsc->media[count]->type = 
-			dsc_alloc_string(dsc, p, strlen(p));
-	    }
-	    n+=i;
-	    count++;
-	}
-    }
-    else if (IS_DSC(line, "%%DocumentPaperColors:")) {
-	/* DSC 2.1 */
-	unsigned int n = continued ? 3 : 22;
-	unsigned int count = 0;
-	unsigned int i = 1;
-	char colour[MAXSTR];
-	char *p;
-	dsc->id = CDSC_DOCUMENTPAPERCOLORS;
-	while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
-	    p = dsc_copy_string(colour, sizeof(colour)-1, 
-		    dsc->line+n, dsc->line_length-n, &i);
-	    if (i && p) {
-		if (count >= dsc->media_count) {
-		    /* set some default values */
-		    CDSCMEDIA lmedia;
-		    lmedia.name = NULL;
-		    lmedia.width = 595.0;
-		    lmedia.height = 842.0;
-		    lmedia.weight = 80.0;
-		    lmedia.colour = p;
-		    lmedia.type = NULL;
-		    lmedia.mediabox = NULL;
-		    if (dsc_add_media(dsc, &lmedia))
-			return CDSC_ERROR;
-		}
-		else
-		    dsc->media[count]->colour = 
-			dsc_alloc_string(dsc, p, strlen(p));
-	    }
-	    n+=i;
-	    count++;
-	}
-    }
-    else if (IS_DSC(line, "%%DocumentPaperWeights:")) {
-	/* DSC 2.1 */
-	unsigned int n = continued ? 3 : 23;
-	unsigned int count = 0;
-	unsigned int i = 1;
-	float w;
-	dsc->id = CDSC_DOCUMENTPAPERWEIGHTS;
-	while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
-	    w = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
-	    if (i) {
-		if (count >= dsc->media_count) {
-		    /* set some default values */
-		    CDSCMEDIA lmedia;
-		    lmedia.name = NULL;
-		    lmedia.width = 595.0;
-		    lmedia.height = 842.0;
-		    lmedia.weight = w;
-		    lmedia.colour = NULL;
-		    lmedia.type = NULL;
-		    lmedia.mediabox = NULL;
-		    if (dsc_add_media(dsc, &lmedia))
-			return CDSC_ERROR;
-		}
-		else
-		    dsc->media[count]->weight = w;
-	    }
-	    n+=i;
-	    count++;
-	}
-    }
-    else if (IS_DSC(line, "%%DocumentData:")) {
-	unsigned int n = continued ? 3 : 15;
-	char *p = dsc->line + n;
-        while (IS_WHITE(*p))
-	    p++;
-	dsc->id = CDSC_DOCUMENTDATA;
-	if (COMPARE(p, "Clean7Bit"))
-	    dsc->document_data = CDSC_CLEAN7BIT;
-	else if (COMPARE(p, "Clean8Bit"))
-	    dsc->document_data = CDSC_CLEAN8BIT;
-	else if (COMPARE(p, "Binary"))
-	    dsc->document_data = CDSC_BINARY;
-	else
-	    dsc_unknown(dsc);
-    }
-    else if (IS_DSC(line, "%%Requirements:")) {
-	dsc->id = CDSC_REQUIREMENTS;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%DocumentNeededFonts:")) {
-	dsc->id = CDSC_DOCUMENTNEEDEDFONTS;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%DocumentSuppliedFonts:")) {
-	dsc->id = CDSC_DOCUMENTSUPPLIEDFONTS;
-	/* ignore */
-    }
-    else if (dsc->line[0] == '%' && IS_WHITE_OR_EOL(dsc->line[1])) {
-	dsc->id = CDSC_OK;
-	/* ignore */
-    }
-    else {
-	dsc->id = CDSC_UNKNOWNDSC;
-	dsc_unknown(dsc);
-    }
-
-    dsc->endcomments = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-
-dsc_private int 
-dsc_scan_preview(CDSC *dsc)
-{
-    /* Preview section ends at */
-    /*  %%EndPreview */
-    /*  another section */
-    /* Preview section must start with %%BeginPreview */
-    char *line = dsc->line;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_preview) {
-	if (IS_BLANK(line))
-	    return CDSC_OK;	/* ignore blank lines before preview */
-	else if (IS_DSC(line, "%%BeginPreview")) {
-	    dsc->id = CDSC_BEGINPREVIEW;
-	    dsc->beginpreview = DSC_START(dsc);
-	    dsc->endpreview = DSC_END(dsc);
-	    dsc->scan_section = scan_preview;
-	    /* Don't mark the preview as EPSI if a DOS EPS header is present */
-	    if (dsc->preview == CDSC_NOPREVIEW)
-		dsc->preview = CDSC_EPSI;
-	    return CDSC_OK;
-	}
-	else {
-	    dsc->scan_section = scan_pre_defaults;
-	    return CDSC_PROPAGATE;
-	}
-    }
-
-    if (IS_DSC(line, "%%BeginPreview")) {
-	/* ignore because we are in this section */
-    }
-    else if (dsc_is_section(line)) {
-	dsc->endpreview = DSC_START(dsc);
-	dsc->scan_section = scan_pre_defaults;
-	return CDSC_PROPAGATE;
-    }
-    else if (IS_DSC(line, "%%EndPreview")) {
-	dsc->id = CDSC_ENDPREVIEW;
-	dsc->endpreview = DSC_END(dsc);
-	dsc->scan_section = scan_pre_defaults;
-	return CDSC_OK;
-    }
-    else if (line[0] == '%' && line[1] != '%') {
-	/* Ordinary comments are OK */
-    }
-    else {
-	dsc->id = CDSC_UNKNOWNDSC;
-	/* DSC comments should not occur in preview */
-	dsc_unknown(dsc);
-    }
-
-    dsc->endpreview = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-dsc_private int
-dsc_scan_defaults(CDSC *dsc)
-{
-    /* Defaults section ends at */
-    /*  %%EndDefaults */
-    /*  another section */
-    /* Defaults section must start with %%BeginDefaults */
-    char *line = dsc->line;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_defaults) {
-	if (IS_BLANK(line))
-	    return CDSC_OK;	/* ignore blank lines before defaults */
-	else if (IS_DSC(line, "%%BeginDefaults")) {
-	    dsc->id = CDSC_BEGINDEFAULTS;
-	    dsc->begindefaults = DSC_START(dsc);
-	    dsc->enddefaults = DSC_END(dsc);
-	    dsc->scan_section = scan_defaults;
-	    return CDSC_OK;
-	}
-	else {
-	    dsc->scan_section = scan_pre_prolog;
-	    return CDSC_PROPAGATE;
-	}
-    }
-
-    if (NOT_DSC_LINE(line)) {
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%BeginPreview")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginDefaults")) {
-	/* ignore because we are in this section */
-    }
-    else if (dsc_is_section(line)) {
-	dsc->enddefaults = DSC_START(dsc);
-	dsc->scan_section = scan_pre_prolog;
-	return CDSC_PROPAGATE;
-    }
-    else if (IS_DSC(line, "%%EndDefaults")) {
-	dsc->id = CDSC_ENDDEFAULTS;
-	dsc->enddefaults = DSC_END(dsc);
-	dsc->scan_section = scan_pre_prolog;
-	return CDSC_OK;
-    }
-    else if (IS_DSC(line, "%%PageMedia:")) {
-	dsc->id = CDSC_PAGEMEDIA;
-	dsc_parse_media(dsc, &dsc->page_media);
-    }
-    else if (IS_DSC(line, "%%PageOrientation:")) {
-	dsc->id = CDSC_PAGEORIENTATION;
-	/* This can override %%Orientation:  */
-	if (dsc_parse_orientation(dsc, &(dsc->page_orientation), 18))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%PageBoundingBox:")) {
-	dsc->id = CDSC_PAGEBOUNDINGBOX;
-	if (dsc_parse_bounding_box(dsc, &(dsc->page_bbox), 18))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%ViewingOrientation:")) {
-	dsc->id = CDSC_VIEWINGORIENTATION;
-	if (dsc_parse_viewing_orientation(dsc, &dsc->viewing_orientation))
-	    return CDSC_ERROR;
-    }
-    else {
-	dsc->id = CDSC_UNKNOWNDSC;
-	/* All other DSC comments are unknown, but not an error */
-	dsc_unknown(dsc);
-    }
-    dsc->enddefaults = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-/* CDSC_RESPONSE_OK and CDSC_RESPONSE_CANCEL mean ignore the 
- * mismatch (default) */
-dsc_private int
-dsc_check_match_prompt(CDSC *dsc, const char *str, int count)
-{
-    if (count != 0) {
-	char buf[MAXSTR+MAXSTR] = "";
-	if (dsc->line_length < (unsigned int)(sizeof(buf)/2-1))  {
-	    strncpy(buf, dsc->line, dsc->line_length);
-	    buf[dsc->line_length] = '\0';
-	}
-	sprintf(buf+strlen(buf), "\n%%%%Begin%.40s: / %%%%End%.40s\n", str, str);
-	return dsc_error(dsc, CDSC_MESSAGE_BEGIN_END, buf, strlen(buf));
-    }
-    return CDSC_RESPONSE_CANCEL;
-}
-
-dsc_private int
-dsc_check_match_type(CDSC *dsc, const char *str, int count)
-{
-    if (dsc_check_match_prompt(dsc, str, count) == CDSC_RESPONSE_IGNORE_ALL)
-	return CDSC_NOTDSC;
-    return CDSC_OK;
-}
-
-/* complain if Begin/End blocks didn't match */
-/* return non-zero if we should ignore all DSC */
-dsc_private int
-dsc_check_match(CDSC *dsc)
-{
-    int rc = 0;
-    const char *font = "Font";
-    const char *feature = "Feature";
-    const char *resource = "Resource";
-    const char *procset = "ProcSet";
-
-    if (!rc)
-	rc = dsc_check_match_type(dsc, font, dsc->begin_font_count);
-    if (!rc)
-	rc = dsc_check_match_type(dsc, feature, dsc->begin_feature_count);
-    if (!rc)
-	rc = dsc_check_match_type(dsc, resource, dsc->begin_resource_count);
-    if (!rc)
-	rc = dsc_check_match_type(dsc, procset, dsc->begin_procset_count);
-
-    dsc->begin_font_count = 0;
-    dsc->begin_feature_count = 0;
-    dsc->begin_resource_count = 0;
-    dsc->begin_procset_count = 0;
-    return rc;
-}
-
-
-dsc_private int 
-dsc_scan_prolog(CDSC *dsc)
-{
-    /* Prolog section ends at */
-    /*  %%EndProlog */
-    /*  another section */
-    /* Prolog section may start with %%BeginProlog or non-dsc line */
-    char *line = dsc->line;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_prolog) {
-        if (dsc_is_section(line) && (!IS_DSC(line, "%%BeginProlog"))) {
-	    dsc->scan_section = scan_pre_setup;
-	    return CDSC_PROPAGATE;
-	}
-	dsc->id = CDSC_BEGINPROLOG;
-	dsc->beginprolog = DSC_START(dsc);
-	dsc->endprolog = DSC_END(dsc);
-	dsc->scan_section = scan_prolog;
-	if (IS_DSC(line, "%%BeginProlog"))
-	    return CDSC_OK;
-    }
-   
-    if (NOT_DSC_LINE(line)) {
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%BeginPreview")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginDefaults")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginProlog")) {
-	/* ignore because we are in this section */
-    }
-    else if (dsc_is_section(line)) {
-	dsc->endprolog = DSC_START(dsc);
-	dsc->scan_section = scan_pre_setup;
-	if (dsc_check_match(dsc))
-	    return CDSC_NOTDSC;
-	return CDSC_PROPAGATE;
-    }
-    else if (IS_DSC(line, "%%EndProlog")) {
-	dsc->id = CDSC_ENDPROLOG;
-	dsc->endprolog = DSC_END(dsc);
-	dsc->scan_section = scan_pre_setup;
-	if (dsc_check_match(dsc))
-	    return CDSC_NOTDSC;
-	return CDSC_OK;
-    }
-    else if (IS_DSC(line, "%%BeginFont:")) {
-	dsc->id = CDSC_BEGINFONT;
-	/* ignore Begin/EndFont, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_font_count++;
-    }
-    else if (IS_DSC(line, "%%EndFont")) {
-	dsc->id = CDSC_ENDFONT;
-	dsc->begin_font_count--;
-    }
-    else if (IS_DSC(line, "%%BeginFeature:")) {
-	dsc->id = CDSC_BEGINFEATURE;
-	/* ignore Begin/EndFeature, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_feature_count++;
-    }
-    else if (IS_DSC(line, "%%EndFeature")) {
-	dsc->id = CDSC_ENDFEATURE;
-	dsc->begin_feature_count--;
-    }
-    else if (IS_DSC(line, "%%BeginResource:")) {
-	dsc->id = CDSC_BEGINRESOURCE;
-	/* ignore Begin/EndResource, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_resource_count++;
-    }
-    else if (IS_DSC(line, "%%EndResource")) {
-	dsc->id = CDSC_ENDRESOURCE;
-	dsc->begin_resource_count--;
-    }
-    else if (IS_DSC(line, "%%BeginProcSet:")) {
-	dsc->id = CDSC_BEGINPROCSET;
-	/* ignore Begin/EndProcSet, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_procset_count++;
-    }
-    else if (IS_DSC(line, "%%EndProcSet")) {
-	dsc->id = CDSC_ENDPROCSET;
-	dsc->begin_procset_count--;
-    }
-    else {
-	/* All other DSC comments are unknown, but not an error */
-	dsc->id = CDSC_UNKNOWNDSC;
-	dsc_unknown(dsc);
-    }
-
-    dsc->endprolog = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-dsc_private int
-dsc_scan_setup(CDSC *dsc)
-{
-    /* Setup section ends at */
-    /*  %%EndSetup */
-    /*  another section */
-    /* Setup section must start with %%BeginSetup */
-
-    char *line = dsc->line;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_setup) {
-	if (IS_BLANK(line))
-	    return CDSC_OK;	/* ignore blank lines before setup */
-	else if (IS_DSC(line, "%%BeginSetup")) {
-	    dsc->id = CDSC_BEGINSETUP;
-	    dsc->beginsetup = DSC_START(dsc);
-	    dsc->endsetup = DSC_END(dsc);
-	    dsc->scan_section = scan_setup;
-	    return CDSC_OK;
-	}
-	else {
-	    dsc->scan_section = scan_pre_pages;
-	    return CDSC_PROPAGATE;
-	}
-    }
-
-    if (NOT_DSC_LINE(line)) {
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%BeginPreview")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginDefaults")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginProlog")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginSetup")) {
-	/* ignore because we are in this section */
-    }
-    else if (dsc_is_section(line)) {
-	dsc->endsetup = DSC_START(dsc);
-	dsc->scan_section = scan_pre_pages;
-	if (dsc_check_match(dsc))
-	    return CDSC_NOTDSC;
-	return CDSC_PROPAGATE;
-    }
-    else if (IS_DSC(line, "%%EndSetup")) {
-	dsc->id = CDSC_ENDSETUP;
-	dsc->endsetup = DSC_END(dsc);
-	dsc->scan_section = scan_pre_pages;
-	if (dsc_check_match(dsc))
-	    return CDSC_NOTDSC;
-	return CDSC_OK;
-    }
-    else if (IS_DSC(line, "%%BeginFeature:")) {
-	dsc->id = CDSC_BEGINFEATURE;
-	/* ignore Begin/EndFeature, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_feature_count++;
-    }
-    else if (IS_DSC(line, "%%EndFeature")) {
-	dsc->id = CDSC_ENDFEATURE;
-	dsc->begin_feature_count--;
-    }
-    else if (IS_DSC(line, "%%Feature:")) {
-	dsc->id = CDSC_FEATURE;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%BeginResource:")) {
-	dsc->id = CDSC_BEGINRESOURCE;
-	/* ignore Begin/EndResource, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_resource_count++;
-    }
-    else if (IS_DSC(line, "%%EndResource")) {
-	dsc->id = CDSC_ENDRESOURCE;
-	dsc->begin_resource_count--;
-    }
-    else if (IS_DSC(line, "%%PaperColor:")) {
-	dsc->id = CDSC_PAPERCOLOR;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperForm:")) {
-	dsc->id = CDSC_PAPERFORM;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperWeight:")) {
-	dsc->id = CDSC_PAPERWEIGHT;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperSize:")) {
-	/* DSC 2.1 */
-        GSBOOL found_media = FALSE;
-	int i;
-	int n = 12;
-	char buf[MAXSTR];
-	buf[0] = '\0';
-	dsc->id = CDSC_PAPERSIZE;
-	dsc_copy_string(buf, sizeof(buf)-1, dsc->line+n, dsc->line_length-n, 
-		NULL);
- 	for (i=0; i<(int)dsc->media_count; i++) {
-	    if (dsc->media[i] && dsc->media[i]->name && 
-		(dsc_stricmp(buf, dsc->media[i]->name)==0)) {
-		dsc->page_media = dsc->media[i];
-		found_media = TRUE;
-		break;
-	    }
-	}
-	if (!found_media) {
-	    /* It didn't match %%DocumentPaperSizes: */
-	    /* Try our known media */
-	    const CDSCMEDIA *m = dsc_known_media;
-	    while (m->name) {
-		if (dsc_stricmp(buf, m->name)==0) {
-		    dsc->page_media = m;
-		    break;
-		}
-		m++;
-	    }
-	    if (m->name == NULL)
-		dsc_unknown(dsc);
-	}
-    }
-    else {
-	/* All other DSC comments are unknown, but not an error */
-	dsc->id = CDSC_UNKNOWNDSC;
-	dsc_unknown(dsc);
-    }
-
-    dsc->endsetup = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-dsc_private int 
-dsc_scan_page(CDSC *dsc)
-{
-    /* Page section ends at */
-    /*  %%Page */
-    /*  %%Trailer */
-    /*  %%EOF */
-    char *line = dsc->line;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_pages) {
-	if (IS_DSC(line, "%%Page:")) {
-	    dsc->scan_section = scan_pages;
-	    /* fall through */
-	}
-	else  {
-	    /* %%Page: didn't follow %%EndSetup
-	     * Keep reading until reach %%Page or %%Trailer
-	     * and add it to previous section.
-	     */
-	    unsigned long *last;
-	    if (dsc->endsetup != 0)
-		last = &dsc->endsetup;
-	    else if (dsc->endprolog != 0)
-		last = &dsc->endprolog;
-	    else if (dsc->enddefaults != 0)
-		last = &dsc->enddefaults;
-	    else if (dsc->endpreview != 0)
-		last = &dsc->endpreview;
-	    else if (dsc->endcomments != 0)
-		last = &dsc->endcomments;
-	    else
-		last = &dsc->begincomments;
-	    *last = DSC_START(dsc);
-	    if (IS_DSC(line, "%%Trailer") || IS_DSC(line, "%%EOF")) {
-		dsc->scan_section = scan_pre_trailer;
-		return CDSC_PROPAGATE;
-	    }
-	    return CDSC_OK;
-	}
-    }
-
-    if (NOT_DSC_LINE(line)) {
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%Page:")) {
-	dsc->id = CDSC_PAGE;
-	if (dsc->page_count) {
-	    dsc->page[dsc->page_count-1].end = DSC_START(dsc);
-	    if (dsc_check_match(dsc))
-		return CDSC_NOTDSC;
-	}
-
-	if (dsc_parse_page(dsc) != 0)
-	    return CDSC_ERROR;
-
-	return CDSC_OK;
-    }
-    else if (IS_DSC(line, "%%BeginPreview")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginDefaults")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginProlog")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (IS_DSC(line, "%%BeginSetup")) {
-	/* ignore because we have already processed this section */
-    }
-    else if (dsc_is_section(line)) {
-	if (IS_DSC(line, "%%Trailer")) {
-	    dsc->page[dsc->page_count-1].end = DSC_START(dsc);
-	    if (dsc->file_length) {
-		if ((!dsc->doseps && 
-			((DSC_END(dsc) + 32768) < dsc->file_length)) ||
-		     ((dsc->doseps) && 
-			((DSC_END(dsc) + 32768) < dsc->doseps_end))) {
-		    int rc = dsc_error(dsc, CDSC_MESSAGE_EARLY_TRAILER, 
-			dsc->line, dsc->line_length);
-		    switch (rc) {
-			case CDSC_RESPONSE_OK:
-			    /* ignore early trailer */
-			    break;
-			case CDSC_RESPONSE_CANCEL:
-			    /* this is the trailer */
-			    dsc->scan_section = scan_pre_trailer;
-			    if (dsc_check_match(dsc))
-				return CDSC_NOTDSC;
-			    return CDSC_PROPAGATE;
-			case CDSC_RESPONSE_IGNORE_ALL:
-			    return CDSC_NOTDSC;
-		    }
-		}
-		else {
-		    dsc->scan_section = scan_pre_trailer;
-		    if (dsc_check_match(dsc))
-			return CDSC_NOTDSC;
-		    return CDSC_PROPAGATE;
-		}
-	    }
-	    else {
-		dsc->scan_section = scan_pre_trailer;
-		if (dsc_check_match(dsc))
-		    return CDSC_NOTDSC;
-		return CDSC_PROPAGATE;
-	    }
-	}
-	else if (IS_DSC(line, "%%EOF")) {
-	    dsc->page[dsc->page_count-1].end = DSC_START(dsc);
-	    if (dsc->file_length) {
-		if ((DSC_END(dsc)+100 < dsc->file_length) ||
-		    (dsc->doseps && (DSC_END(dsc) + 100 < dsc->doseps_end))) {
-		    int rc = dsc_error(dsc, CDSC_MESSAGE_EARLY_EOF, 
-			dsc->line, dsc->line_length);
-		    switch (rc) {
-			case CDSC_RESPONSE_OK:
-			    /* %%EOF is wrong, ignore it */
-			    break;
-			case CDSC_RESPONSE_CANCEL:
-			    /* %%EOF is correct */
-			    dsc->scan_section = scan_eof;
-			    dsc->eof = TRUE;
-			    if (dsc_check_match(dsc))
-				return CDSC_NOTDSC;
-			    return CDSC_PROPAGATE;
-			case CDSC_RESPONSE_IGNORE_ALL:
-			    return CDSC_NOTDSC;
-		    }
-		}
-	    }
-	    else {
-		/* ignore it */
-		if (dsc_check_match(dsc))
-		    return CDSC_NOTDSC;
-		return CDSC_OK;
-	    }
-	}
-	else {
-	    /* Section comment, probably from a badly */
-	    /* encapsulated EPS file. */
-	    int rc = dsc_error(dsc, CDSC_MESSAGE_BAD_SECTION, 
-		    dsc->line, dsc->line_length);
-	    if (rc == CDSC_RESPONSE_IGNORE_ALL)
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (IS_DSC(line, "%%PageTrailer")) {
-	dsc->id = CDSC_PAGETRAILER;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%BeginPageSetup")) {
-	dsc->id = CDSC_BEGINPAGESETUP;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%EndPageSetup")) {
-	dsc->id = CDSC_ENDPAGESETUP;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PageMedia:")) {
-	dsc->id = CDSC_PAGEMEDIA;
-	dsc_parse_media(dsc, &(dsc->page[dsc->page_count-1].media));
-    }
-    else if (IS_DSC(line, "%%PaperColor:")) {
-	dsc->id = CDSC_PAPERCOLOR;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperForm:")) {
-	dsc->id = CDSC_PAPERFORM;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperWeight:")) {
-	dsc->id = CDSC_PAPERWEIGHT;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%PaperSize:")) {
-	/* DSC 2.1 */
-        GSBOOL found_media = FALSE;
-	int i;
-	int n = 12;
-	char buf[MAXSTR];
-	buf[0] = '\0';
-	dsc_copy_string(buf, sizeof(buf)-1, dsc->line+n, 
-	    dsc->line_length-n, NULL);
- 	for (i=0; i<(int)dsc->media_count; i++) {
-	    if (dsc->media[i] && dsc->media[i]->name && 
-		(dsc_stricmp(buf, dsc->media[i]->name)==0)) {
-		dsc->page_media = dsc->media[i];
-		found_media = TRUE;
-		break;
-	    }
-	}
-	if (!found_media) {
-	    /* It didn't match %%DocumentPaperSizes: */
-	    /* Try our known media */
-	    const CDSCMEDIA *m = dsc_known_media;
-	    while (m->name) {
-		if (dsc_stricmp(buf, m->name)==0) {
-		    dsc->page[dsc->page_count-1].media = m;
-		    break;
-		}
-		m++;
-	    }
-	    if (m->name == NULL)
-		dsc_unknown(dsc);
-	}
-    }
-    else if (IS_DSC(line, "%%PageOrientation:")) {
-	dsc->id = CDSC_PAGEORIENTATION;
-	if (dsc_parse_orientation(dsc, 
-		&(dsc->page[dsc->page_count-1].orientation) ,18))
-	    return CDSC_NOTDSC;
-    }
-    else if (IS_DSC(line, "%%PageBoundingBox:")) {
-	dsc->id = CDSC_PAGEBOUNDINGBOX;
-	if (dsc_parse_bounding_box(dsc, &dsc->page[dsc->page_count-1].bbox, 18))
-	    return CDSC_NOTDSC;
-    }
-    else if (IS_DSC(line, "%%ViewingOrientation:")) {
-	dsc->id = CDSC_VIEWINGORIENTATION;
-	if (dsc_parse_viewing_orientation(dsc, 
-	    &dsc->page[dsc->page_count-1].viewing_orientation))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%BeginFont:")) {
-	dsc->id = CDSC_BEGINFONT;
-	/* ignore Begin/EndFont, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_font_count++;
-    }
-    else if (IS_DSC(line, "%%EndFont")) {
-	dsc->id = CDSC_BEGINFONT;
-	dsc->begin_font_count--;
-    }
-    else if (IS_DSC(line, "%%BeginFeature:")) {
-	dsc->id = CDSC_BEGINFEATURE;
-	/* ignore Begin/EndFeature, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_feature_count++;
-    }
-    else if (IS_DSC(line, "%%EndFeature")) {
-	dsc->id = CDSC_ENDFEATURE;
-	dsc->begin_feature_count--;
-    }
-    else if (IS_DSC(line, "%%BeginResource:")) {
-	dsc->id = CDSC_BEGINRESOURCE;
-	/* ignore Begin/EndResource, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_resource_count++;
-    }
-    else if (IS_DSC(line, "%%EndResource")) {
-	dsc->id = CDSC_ENDRESOURCE;
-	dsc->begin_resource_count--;
-    }
-    else if (IS_DSC(line, "%%BeginProcSet:")) {
-	dsc->id = CDSC_BEGINPROCSET;
-	/* ignore Begin/EndProcSet, apart form making sure */
-	/* that they are matched. */
-	dsc->begin_procset_count++;
-    }
-    else if (IS_DSC(line, "%%EndProcSet")) {
-	dsc->id = CDSC_ENDPROCSET;
-	dsc->begin_procset_count--;
-    }
-    else if (IS_DSC(line, "%%IncludeFont:")) {
-	dsc->id = CDSC_INCLUDEFONT;
-	/* ignore */
-    }
-    else {
-	/* All other DSC comments are unknown, but not an error */
-	dsc->id = CDSC_UNKNOWNDSC;
-	dsc_unknown(dsc);
-    }
-
-    dsc->page[dsc->page_count-1].end = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-/* Valid Trailer comments are
- * %%Trailer
- * %%EOF
- * or the following deferred with (atend)
- * %%BoundingBox:
- * %%DocumentCustomColors:
- * %%DocumentFiles:
- * %%DocumentFonts:
- * %%DocumentNeededFiles:
- * %%DocumentNeededFonts:
- * %%DocumentNeededProcSets:
- * %%DocumentNeededResources:
- * %%DocumentProcSets:
- * %%DocumentProcessColors:
- * %%DocumentSuppliedFiles:
- * %%DocumentSuppliedFonts:
- * %%DocumentSuppliedProcSets: 
- * %%DocumentSuppliedResources: 
- * %%Orientation: 
- * %%Pages: 
- * %%PageOrder: 
- *
- * Our supported subset is
- * %%Trailer
- * %%EOF
- * %%BoundingBox:
- * %%Orientation: 
- * %%Pages: 
- * %%PageOrder: 
- * In addition to these, we support
- * %%DocumentMedia:
- * 
- * A %%PageTrailer can have the following:
- * %%PageBoundingBox: 
- * %%PageCustomColors: 
- * %%PageFiles: 
- * %%PageFonts: 
- * %%PageOrientation: 
- * %%PageProcessColors: 
- * %%PageResources: 
- */
-
-dsc_private int
-dsc_scan_trailer(CDSC *dsc)
-{
-    /* Trailer section start at */
-    /*  %%Trailer */
-    /* and ends at */
-    /*  %%EOF */
-    char *line = dsc->line;
-    GSBOOL continued = FALSE;
-    dsc->id = CDSC_OK;
-
-    if (dsc->scan_section == scan_pre_trailer) {
-	if (IS_DSC(line, "%%Trailer")) {
-	    dsc->id = CDSC_TRAILER;
-	    dsc->begintrailer = DSC_START(dsc);
-	    dsc->endtrailer = DSC_END(dsc);
-	    dsc->scan_section = scan_trailer;
-	    return CDSC_OK;
-	}
-	else if (IS_DSC(line, "%%EOF")) {
-	    dsc->id = CDSC_EOF;
-	    dsc->begintrailer = DSC_START(dsc);
-	    dsc->endtrailer = DSC_END(dsc);
-	    dsc->scan_section = scan_trailer;
-	    /* Continue, in case we found %%EOF in an embedded document */
-	    return CDSC_OK;
-	}
-	else {
-	    /* %%Page: didn't follow %%EndSetup
-	     * Keep reading until reach %%Page or %%Trailer
-	     * and add it to setup section
-	     */
-	    /* append to previous section */
-	    if (dsc->beginsetup)
-		dsc->endsetup = DSC_END(dsc);
-	    else if (dsc->beginprolog)
-		dsc->endprolog = DSC_END(dsc);
-	    else {
-		/* horribly confused */
-	    }
-	    return CDSC_OK;
-	}
-    }
-
-    /* Handle continuation lines.
-     * See comment above about our restrictive processing of 
-     * continuation lines
-     */
-    if (IS_DSC(line, "%%+")) {
-	line = dsc->last_line;
-	continued = TRUE;
-    }
-    else
-	dsc_save_line(dsc);
-
-    if (NOT_DSC_LINE(line)) {
-	/* ignore */
-    }
-    else if (IS_DSC(dsc->line, "%%EOF")) {
-	/* Keep scanning, in case we have a false trailer */
-	dsc->id = CDSC_EOF;
-    }
-    else if (IS_DSC(dsc->line, "%%Trailer")) {
-	/* Cope with no pages with code after setup and before trailer. */
-	/* Last trailer is the correct one. */
-	dsc->id = CDSC_TRAILER;
-	dsc->begintrailer = DSC_START(dsc);
-    }
-    else if (IS_DSC(line, "%%Pages:")) {
-	dsc->id = CDSC_PAGES;
-	if (dsc_parse_pages(dsc) != 0)
-	       return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%BoundingBox:")) {
-	dsc->id = CDSC_BOUNDINGBOX;
-	if (dsc_parse_bounding_box(dsc, &(dsc->bbox), continued ? 3 : 14))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%HiResBoundingBox:")) {
-	dsc->id = CDSC_HIRESBOUNDINGBOX;
-	if (dsc_parse_float_bounding_box(dsc, &(dsc->hires_bbox), 
-	    continued ? 3 : 19))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%CropBox:")) {
-	dsc->id = CDSC_CROPBOX;
-	if (dsc_parse_float_bounding_box(dsc, &(dsc->crop_box), 
-	    continued ? 3 : 10))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%Orientation:")) {
-	dsc->id = CDSC_ORIENTATION;
-	if (dsc_parse_orientation(dsc, &(dsc->page_orientation), continued ? 3 : 14))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%PageOrder:")) {
-	dsc->id = CDSC_PAGEORDER;
-	if (dsc_parse_order(dsc))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(line, "%%DocumentMedia:")) {
-	dsc->id = CDSC_DOCUMENTMEDIA;
-	if (dsc_parse_document_media(dsc))
-	    return CDSC_ERROR;
-    }
-    else if (IS_DSC(dsc->line, "%%Page:")) {
-	/* This should not occur in the trailer, but we might see 
-	 * this if a document has been incorrectly embedded.
-	 */
-	int rc = dsc_error(dsc, CDSC_MESSAGE_PAGE_IN_TRAILER, 
-		dsc->line, dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* Assume that we are really in the previous */
-		/* page, not the trailer */
-		dsc->scan_section = scan_pre_pages;
-		if (dsc->page_count)
-		    dsc->page[dsc->page_count-1].end = DSC_START(dsc);
-		return CDSC_PROPAGATE;	/* try again */
-	    case CDSC_RESPONSE_CANCEL:
-		/* ignore pages in trailer */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-    else if (IS_DSC(line, "%%DocumentNeededFonts:")) {
-	dsc->id = CDSC_DOCUMENTNEEDEDFONTS;
-	/* ignore */
-    }
-    else if (IS_DSC(line, "%%DocumentSuppliedFonts:")) {
-	dsc->id = CDSC_DOCUMENTSUPPLIEDFONTS;
-	/* ignore */
-    }
-    else {
-	/* All other DSC comments are unknown, but not an error */
-	dsc->id = CDSC_UNKNOWNDSC;
-	dsc_unknown(dsc);
-    }
-
-    dsc->endtrailer = DSC_END(dsc);
-    return CDSC_OK;
-}
-
-
-dsc_private char *
-dsc_alloc_string(CDSC *dsc, const char *str, int len)
-{
-    char *p;
-    if (dsc->string_head == NULL) {
-	dsc->string_head = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
-	if (dsc->string_head == NULL)
-	    return NULL;	/* no memory */
-	dsc->string = dsc->string_head;
-	dsc->string->next = NULL;
-	dsc->string->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
-	if (dsc->string->data == NULL) {
-	    dsc_reset(dsc);
-	    return NULL;	/* no memory */
-	}
-	dsc->string->index = 0;
-	dsc->string->length = CDSC_STRING_CHUNK;
-    }
-    if ( dsc->string->index + len + 1 > dsc->string->length) {
-	/* allocate another string block */
-	CDSCSTRING *newstring = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
-	if (newstring == NULL) {
-	    dsc_debug_print(dsc, "Out of memory\n");
-	    return NULL;
-	}
-        newstring->next = NULL;
-	newstring->length = 0;
-	newstring->index = 0;
-	newstring->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
-	if (newstring->data == NULL) {
-	    dsc_memfree(dsc, newstring);
-	    dsc_debug_print(dsc, "Out of memory\n");
-	    return NULL;	/* no memory */
-	}
-	newstring->length = CDSC_STRING_CHUNK;
-	dsc->string->next = newstring;
-	dsc->string = newstring;
-    }
-    if ( dsc->string->index + len + 1 > dsc->string->length)
-	return NULL;	/* failed */
-    p = dsc->string->data + dsc->string->index;
-    memcpy(p, str, len);
-    *(p+len) = '\0';
-    dsc->string->index += len + 1;
-    return p;
-}
-
-/* store line, ignoring leading spaces */
-dsc_private char *
-dsc_add_line(CDSC *dsc, const char *line, unsigned int len)
-{
-    char *newline;
-    unsigned int i;
-    while (len && (IS_WHITE(*line))) {
-	len--;
-	line++;
-    }
-    newline = dsc_alloc_string(dsc, line, len);
-    if (newline == NULL)
-	return NULL;
-
-    for (i=0; i<len; i++) {
-	if (newline[i] == '\r') {
-	    newline[i]='\0';
-	    break;
-	}
-	if (newline[i] == '\n') {
-	    newline[i]='\0';
-	    break;
-	}
-    }
-    return newline;
-}
-
-
-/* Copy string on line to new allocated string str */
-/* String is always null terminated */
-/* String is no longer than len */
-/* Return pointer to string  */
-/* Store number of used characters from line */
-/* Don't copy enclosing () */
-dsc_private char *
-dsc_copy_string(char *str, unsigned int slen, char *line, 
-	unsigned int len, unsigned int *offset)
-{
-    int quoted = FALSE;
-    int instring=0;
-    unsigned int newlength = 0;
-    unsigned int i = 0;
-    unsigned char ch;
-    if (len > slen)
-	len = slen-1;
-    while ( (i<len) && IS_WHITE(line[i]))
-	i++;	/* skip leading spaces */
-    if (line[i]=='(') {
-	quoted = TRUE;
-	instring++;
-	i++; /* don't copy outside () */
-    }
-    while (i < len) {
-	str[newlength] = ch = line[i];
-	i++;
-	if (quoted) {
-	    if (ch == '(')
-		    instring++;
-	    if (ch == ')')
-		    instring--;
-	    if (instring==0)
-		    break;
-	}
-	else if (ch == ' ')
-	    break;
-
-	if (ch == '\r')
-	    break;
-	if (ch == '\n')
-	    break;
-	else if ( (ch == '\\') && (i+1 < len) ) {
-	    ch = line[i];
-	    if ((ch >= '0') && (ch <= '9')) {
-		/* octal coded character */
-		int j = 3;
-		ch = 0;
-		while (j && (i < len) && line[i]>='0' && line[i]<='7') {
-		    ch = (unsigned char)((ch<<3) + (line[i]-'0'));
-		    i++;
-		    j--;
-		}
-		str[newlength] = ch;
-	    }
-	    else if (ch == '(') {
-		str[newlength] = ch;
-		i++;
-	    }
-	    else if (ch == ')') {
-		str[newlength] = ch;
-		i++;
-	    }
-	    else if (ch == 'b') {
-		str[newlength] = '\b';
-		i++;
-	    }
-	    else if (ch == 'f') {
-		str[newlength] = '\b';
-		i++;
-	    }
-	    else if (ch == 'n') {
-		str[newlength] = '\n';
-		i++;
-	    }
-	    else if (ch == 'r') {
-		str[newlength] = '\r';
-		i++;
-	    }
-	    else if (ch == 't') {
-		str[newlength] = '\t';
-		i++;
-	    }
-	    else if (ch == '\\') {
-		str[newlength] = '\\';
-		i++;
-	    }
-	}
-	newlength++;
-    }
-    str[newlength] = '\0';
-    if (offset != (unsigned int *)NULL)
-        *offset = i;
-    return str;
-}
-
-dsc_private int 
-dsc_get_int(const char *line, unsigned int len, unsigned int *offset)
-{
-    char newline[MAXSTR];
-    int newlength = 0;
-    unsigned int i = 0;
-    unsigned char ch;
-
-    len = min((size_t) len, (size_t) sizeof(newline)-1);
-    while ((i<len) && IS_WHITE(line[i]))
-	i++;	/* skip leading spaces */
-    while (i < len) {
-	newline[newlength] = ch = line[i];
-	if (!(isdigit(ch) || (ch=='-') || (ch=='+')))
-	    break;  /* not part of an integer number */
-	i++;
-	newlength++;
-    }
-    while ((i<len) && IS_WHITE(line[i]))
-	i++;	/* skip trailing spaces */
-    newline[newlength] = '\0';
-    if (offset != (unsigned int *)NULL)
-        *offset = i;
-    return atoi(newline);
-}
-
-dsc_private float 
-dsc_get_real(const char *line, unsigned int len, unsigned int *offset)
-{
-    char newline[MAXSTR];
-    int newlength = 0;
-    unsigned int i = 0;
-    unsigned char ch;
-
-    len = min((size_t) len, (size_t) sizeof(newline)-1);
-    while ((i<len) && IS_WHITE(line[i]))
-	i++;	/* skip leading spaces */
-    while (i < len) {
-	newline[newlength] = ch = line[i];
-	if (!(isdigit(ch) || (ch=='.') || (ch=='-') || (ch=='+') 
-	    || (ch=='e') || (ch=='E')))
-	    break;  /* not part of a real number */
-	i++;
-	newlength++;
-    }
-    while ((i<len) && IS_WHITE(line[i]))
-	i++;	/* skip trailing spaces */
-
-    newline[newlength] = '\0';
-
-    if (offset != (unsigned int *)NULL)
-        *offset = i;
-    return (float)atof(newline);
-}
-
-dsc_private int
-dsc_stricmp(const char *s, const char *t)
-{
-    while (toupper(*s) == toupper(*t)) {
-	if (*s == '\0')
-	    return 0;
-   	s++;
-	t++; 
-    }
-    return (toupper(*s) - toupper(*t));
-}
-
-
-dsc_private int
-dsc_parse_page(CDSC *dsc)
-{
-    char *p;
-    unsigned int i;
-    char page_label[MAXSTR];
-    char *pl;
-    int page_ordinal;
-    int page_number;
-
-    p = dsc->line + 7;
-    pl = dsc_copy_string(page_label, sizeof(page_label)-1, p, dsc->line_length-7, &i);
-    if (pl == NULL)
-	return CDSC_ERROR;
-    p += i;
-    page_ordinal = atoi(p);
-
-    if ( (page_ordinal == 0) || (strlen(page_label) == 0) ||
-       (dsc->page_count && 
-	    (page_ordinal != dsc->page[dsc->page_count-1].ordinal+1)) ) {
-	int rc = dsc_error(dsc, CDSC_MESSAGE_PAGE_ORDINAL, dsc->line, 
-		dsc->line_length);
-	switch (rc) {
-	    case CDSC_RESPONSE_OK:
-		/* ignore this page */
-		return CDSC_OK;
-	    case CDSC_RESPONSE_CANCEL:
-		/* accept the page */
-		break;
-	    case CDSC_RESPONSE_IGNORE_ALL:
-		return CDSC_NOTDSC;
-	}
-    }
-
-    page_number = dsc->page_count;
-    dsc_add_page(dsc, page_ordinal, page_label);
-    dsc->page[page_number].begin = DSC_START(dsc);
-    dsc->page[page_number].end = DSC_START(dsc);
-
-    if (dsc->page[page_number].label == NULL)
-	return CDSC_ERROR;	/* no memory */
-	
-    return CDSC_OK;
-}
-
-
-
-/* DSC error reporting */
-
-void 
-dsc_debug_print(CDSC *dsc, const char *str)
-{
-    if (dsc->debug_print_fn)
-	dsc->debug_print_fn(dsc->caller_data, str);
-}
-
-
-/* Display a message about a problem with the DSC comments.
- * 
- * explanation = an index to to a multiline explanation in dsc_message[]
- * line = pointer to the offending DSC line (if any)
- * return code = 
- *   CDSC_RESPONSE_OK 	       DSC was wrong, make a guess about what 
- *                             was really meant.
- *   CDSC_RESPONSE_CANCEL      Assume DSC was correct, ignore if it 
- *                             is misplaced.
- *   CDSC_RESPONSE_IGNORE_ALL  Ignore all DSC.
- */
-/* Silent operation.  Don't display errors. */
-dsc_private int 
-dsc_error(CDSC *dsc, unsigned int explanation, 
-	char *line, unsigned int line_len)
-{
-    /* if error function provided, use it */
-    if (dsc->dsc_error_fn)
-	return dsc->dsc_error_fn(dsc->caller_data, dsc, 
-	    explanation, line, line_len);
-
-    /* treat DSC as being correct */
-    return CDSC_RESPONSE_CANCEL;
-}
-
-
-// vim:sw=4:sts=4:ts=8:noet