campo-sirio/pdf/pdcore/pc_core.h
alex c434cad322 Patch level : 4.0 451
Files correlati     :
Ricompilazione Demo : [ ]
Commento            :

Riportata la versione 3.1 patch 650


git-svn-id: svn://10.65.10.50/trunk@14148 c028cbd2-c16b-5b4b-a496-9718f37d4682
2006-07-11 13:10:51 +00:00

303 lines
9.3 KiB
C
Executable File

/*---------------------------------------------------------------------------*
| PDFlib - A library for generating PDF on the fly |
+---------------------------------------------------------------------------+
| Copyright (c) 1997-2005 Thomas Merz and PDFlib GmbH. All rights reserved. |
+---------------------------------------------------------------------------+
| |
| This software is subject to the PDFlib license. It is NOT in the |
| public domain. Extended versions and commercial licenses are |
| available, please check http://www.pdflib.com. |
| |
*---------------------------------------------------------------------------*/
/* $Id: pc_core.h,v 1.2 2006-07-11 13:10:33 alex Exp $
*
* PDFlib core services:
* - memory management
* - exception handling
* - internal try/catch
* - debug tracing
*/
#ifndef PC_CORE_H
#define PC_CORE_H
/* Built-in metric support */
#define PDF_BUILTINMETRIC_SUPPORTED
/* Built-in encoding support */
#define PDF_BUILTINENCODING_SUPPORTED
#define PDF_FEATURE_NOT_PUBLIC
/* ------------------------- general ------------------------- */
typedef struct pdc_core_s pdc_core;
typedef int pdc_bool;
typedef long pdc_id;
typedef char pdc_char;
typedef unsigned char pdc_byte;
typedef unsigned char pdc_uchar;
typedef short pdc_short;
typedef unsigned short pdc_ushort;
typedef long pdc_long;
typedef unsigned long pdc_ulong;
typedef short pdc_sint16;
typedef unsigned short pdc_uint16;
typedef int pdc_sint32;
typedef unsigned int pdc_uint32;
/* TODO2GB: this is the signed 64-bit integer type for >2GB files.
** must be platform & compiler specific.
*/
#if defined(_LARGEFILE_SOURCE)
#if defined(WIN32)
typedef __int64 pdc_off_t;
#else
#include <sys/types.h>
typedef off_t pdc_off_t;
#endif
#else
typedef long pdc_off_t;
#endif
/* use this one for casts from "off_t" to "long" - so we can "grep"
** for critical places.
*/
typedef long pdc_off_t1;
#define pdc_undef -1
#define pdc_false 0
#define pdc_true 1
#define PDC_1_1 11 /* PDF 1.1 = Acrobat 2 */
#define PDC_1_2 12 /* PDF 1.2 = Acrobat 3 */
#define PDC_1_3 13 /* PDF 1.3 = Acrobat 4 */
#define PDC_1_4 14 /* PDF 1.4 = Acrobat 5 */
#define PDC_1_5 15 /* PDF 1.5 = Acrobat 6 */
#define PDC_1_6 16 /* PDF 1.6 = Acrobat 7 */
#define PDC_X_X_LAST 16
/* Acrobat limit for page dimensions */
#define PDF_ACRO_MINPAGE (3.0) /* 1/24 inch = 0.106 cm */
#define PDF_ACRO_MAXPAGE (14400.0) /* 200 inch = 508 cm */
typedef void (*pdc_error_fp)(void *opaque, int type, const char *msg);
typedef void* (*pdc_alloc_fp)(void *opaque, size_t size, const char *caller);
typedef void* (*pdc_realloc_fp)(void *opaque, void *mem, size_t size,
const char *caller);
typedef void (*pdc_free_fp)(void *opaque, void *mem);
pdc_core *pdc_init_core(pdc_error_fp errorhandler, pdc_alloc_fp allocproc,
pdc_realloc_fp reallocproc, pdc_free_fp freeproc, void *opaque);
void pdc_delete_core(pdc_core *pdc);
/* this is used by pdflib and pdi sources, so i put it here.
** WARNING: any changes here will break existing PDI code!
*/
typedef enum {
use_none = 0, use_art, use_bleed, use_crop, use_media, use_trim
} pdc_usebox;
/* ------------------------- memory management ------------------------- */
void *pdc_malloc(pdc_core *pdc, size_t size, const char *caller);
void *pdc_realloc(pdc_core *pdc, void *mem, size_t size, const char *caller);
void *pdc_calloc(pdc_core *pdc, size_t size, const char *caller);
void pdc_free(pdc_core *pdc, void *mem);
#define PDC_TMPMEM 1
typedef void (*pdc_destructor)(void *opaque, void *mem);
void pdc_insert_mem_tmp(pdc_core *pdc, void *memory, void *opaque,
pdc_destructor destr);
void *pdc_malloc_tmp(pdc_core *pdc, size_t size, const char *caller,
void *opaque, pdc_destructor destr);
void *pdc_realloc_tmp(pdc_core *pdc, void *mem, size_t size,
const char *caller);
void *pdc_calloc_tmp(pdc_core *pdc, size_t size, const char *caller,
void *opaque, pdc_destructor destr);
void pdc_free_tmp(pdc_core *pdc, void *mem);
/* --------------------------- exception handling --------------------------- */
#define PDC_ET_NOPREFIX (1<<0) /* API funcname without prefix (e.g. PDF_) */
#define PDC_ET_NOSUFFIX (1<<1) /* API funcname without suffix 2 */
/* maximal length of strings for %.*s in pdc_errprintf format
*/
#define PDC_ET_MAXSTRLEN 256
/* per-library error table base numbers.
*/
#define PDC_ET_CORE 1000
#define PDC_ET_PDFLIB 2000
#define PDC_ET_PDI 4000
#define PDC_ET_PLOP 5000
#define PDC_ET_PDPAGE 6000
#define PDC_ET_LAST 6000
/* core error numbers.
*/
enum
{
#define pdc_genNames 1
#include "pc_generr.h"
PDC_E_dummy
};
typedef struct
{
int nparms; /* number of error parameters */
int errnum; /* error number */
const char *errmsg; /* default error message */
const char *ce_msg; /* custom error message */
} pdc_error_info;
void pdc_register_errtab(pdc_core *pdc, int et, pdc_error_info *ei,
int n_entries);
pdc_bool pdc_enter_api(pdc_core *pdc, const char *apiname, int flags);
pdc_bool pdc_in_error(pdc_core *pdc);
void pdc_set_warnings(pdc_core *pdc, pdc_bool on);
const char * pdc_errprintf(pdc_core *pdc, const char *format, ...);
void pdc_set_errmsg(pdc_core *pdc, int errnum, const char *parm1,
const char *parm2, const char *parm3, const char *parm4);
void pdc_error(pdc_core *pdc, int errnum, const char *parm1,
const char *parm2, const char *parm3, const char *parm4);
void pdc_warning(pdc_core *pdc, int errnum, const char *parm1,
const char *parm2, const char *parm3, const char *parm4);
int pdc_get_errnum(pdc_core *pdc);
const char * pdc_get_errmsg(pdc_core *pdc);
const char * pdc_get_apiname(pdc_core *pdc);
/* ----------------------------- try/catch ---------------------------- */
#include <setjmp.h>
typedef struct
{
jmp_buf jbuf;
} pdc_jmpbuf;
pdc_jmpbuf * pdc_jbuf(pdc_core *pdc);
void pdc_exit_try(pdc_core *pdc);
int pdc_catch_intern(pdc_core *pdc);
int pdc_catch_extern(pdc_core *pdc);
void pdc_rethrow(pdc_core *pdc);
#define PDC_TRY(pdc) if (setjmp(pdc_jbuf(pdc)->jbuf) == 0)
#define PDC_EXIT_TRY(pdc) pdc_exit_try(pdc)
#define PDC_CATCH(pdc) if (pdc_catch_intern(pdc))
#define PDC_RETHROW(pdc) pdc_rethrow(pdc)
/* --------------------------- debug trace --------------------------- */
/* pdcore protocol classes */
typedef enum
{
trc_other = 0, /* other classes */
trc_api, /* API function call protocol */
trc_optlist, /* optlist protocol */
trc_memory, /* memory protocol */
trc_warning, /* protocol of disabled warnings */
trc_resource, /* resource protocol */
trc_filesearch, /* file search protocol */
trc_encoding, /* encoding end textformat protocol */
trc_image, /* image and template protocol */
trc_font /* font protocol */
}
pdc_protocol_class;
/* string code kinds */
typedef enum
{
strform_readable,
strform_readable0,
strform_octal,
strform_hexa,
strform_java
}
pdc_strform_kind;
# ifndef DEBUG_TRACE_FILE
# if defined(MVS)
# define DEBUG_TRACE_FILE "pdflog"
# elif defined(MAC) || defined(AS400)
# define DEBUG_TRACE_FILE "PDFlib.log"
# elif defined(WIN32)
# define DEBUG_TRACE_FILE "/PDFlib.log"
# else
# define DEBUG_TRACE_FILE "/tmp/PDFlib.log"
# endif
# endif
# define PDF_TRACE(ARGS) pdc_trace ARGS
void pdc_set_tracefile(pdc_core *pdc, const char *filename);
pdc_bool pdc_set_trace_options(pdc_core *pdc, const char *optlist);
void pdc_set_trace(pdc_core *pdc, const char *client);
const char *pdc_print_tracestring(pdc_core *pdc, const char *str, int len);
void pdc_trace(pdc_core *pdc, const char *fmt, ...);
void pdc_trace_enter_api(pdc_core *pdc, const char *funame,
const char *fmt, va_list args);
void pdc_trace_exit_api(pdc_core *pdc, pdc_bool cleanup,
const char *fmt, ...);
pdc_bool pdc_trace_protocol_is_enabled(pdc_core *pdc, int level, int pclass);
void pdc_trace_protocol(pdc_core *pdc, int level, int pclass,
const char *fmt, ...);
#ifdef PDC_DEBUG
void pdc_enable_hexdump(pdc_core *pdc);
void pdc_disable_hexdump(pdc_core *pdc);
void pdc_hexdump(pdc_core *pdc, const char *msg, const char *text, int tlen);
#endif /* PDC_DEBUG */
/* ------------ client structs handling ------------ */
void pdc_set_pglyphtab_ptr(pdc_core *pdc, void *pglyphtab_ptr);
void * pdc_get_pglyphtab_ptr(pdc_core *pdc);
/* ----------- service function to get PDF version string -------------- */
const char *pdc_get_pdfversion(pdc_core *pdc, int compatibility);
/* --------------------------- float digits --------------------------- */
void pdc_set_floatdigits(pdc_core *pdc, int val);
int pdc_get_floatdigits(pdc_core *pdc);
/* --------------------------- scope --------------------------- */
/*
* An arbitrary number used for sanity checks.
* Actually, we use the hex representation of pi in order to avoid
* the more common patterns.
*/
#define PDC_MAGIC ((unsigned long) 0x126960A1)
#endif /* PC_CORE_H */