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|
/*---------------------------------------------------------------------------*
| PDFlib - A library for generating PDF on the fly |
+---------------------------------------------------------------------------+
| Copyright (c) 1997-2006 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_util.h,v 1.2 2009/10/20 18:12:26 scuri Exp $
*
* Declaration of various utility routines
*
*/
#ifndef PC_UTIL_H
#define PC_UTIL_H
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include "pc_config.h"
#include "pc_core.h"
#include "pc_ebcdic.h"
#include "pc_optparse.h"
#include "pc_encoding.h"
#include "pc_output.h"
#include "pc_unicode.h"
#include "pc_resource.h"
/* ---------------------------- forward typedefs --------------------------- */
#ifndef PDC_STRINGS_DEFINED
#define PDC_STRINGS_DEFINED
typedef struct pdc_bstr_s pdc_bstr; /* byte strings */
typedef struct pdc_ustr_s pdc_ustr; /* unicode strings */
#endif
#ifndef PDC_MEMPOOL_DEFINED
#define PDC_MEMPOOL_DEFINED
typedef struct pdc_mempool_s pdc_mempool;
#endif
/* ------------------------ the core public structure ---------------------- */
struct pdc_core_s
{
pdc_core_priv *pr; /* pdcore private structure */
pdc_reslist *reslist; /* resource list */
pdc_virtfile *filesystem; /* virtual file system */
pdc_loggdef *logg; /* logging definition */
pdc_bool loggenv; /* logging environ. variable checked */
pdc_encoding_stack *encstack; /* encoding stack */
pdc_priv_glyphtab *pglyphtab; /* private glyph table */
pdc_mempool *bstr_pool; /* pdc_bstr pool */
pdc_mempool *ustr_pool; /* pdc_ustr pool */
pdc_ulong last_rand; /* for pdc_rand()/pdc_srand() */
const char *prodname; /* product name */
const char *version; /* version string */
char *binding; /* name of the language binding */
pdc_bool unicaplang; /* Unicode capable language */
pdc_bool objorient; /* binding object orientated */
pdc_bool hastobepos; /* handles have to be positiv */
pdc_bool ptfrun; /* while PTF is running */
pdc_bool smokerun; /* while smoketest is running */
pdc_bool charref; /* HTML character references will
* be resolved */
pdc_bool escapesequ; /* escape sequences will be resolved */
pdc_bool honorlang; /* honor LANG codeset for file names */
int compatibility; /* PDF version number * 10 */
int floatdigits; /* floating point output precision */
int uniqueno; /* unique number for numbering */
};
#define PDC_BOOLSTR(a) (a != 0 ? "true" : "false")
#define PDC_ABS(x) (((x) < 0) ? -(x) : (x))
/* TODO: replace with PDC_MIN, PDC_MAX
*/
#ifndef MIN
#define MIN(a, b) (((a) < (b) ? (a) : (b)))
#endif
#ifndef MAX
#define MAX(a, b) (((a) > (b) ? (a) : (b)))
#endif
/* reasonable values for number limits */
#define PDC_FLOAT_MAX ((double) 1e+18)
#define PDC_FLOAT_MIN ((double) -1e+18)
#define PDC_FLOAT_PREC ((double) 1e-6)
#define PDC_ROUND(x) (((x) < 0) ? ceil((x) - 0.5) : floor((x) + 0.5))
#define PDC_FLOAT_ISNULL(x) \
(((((x) < 0) ? -1 * (x) : (x)) < PDC_FLOAT_PREC) ? pdc_true : pdc_false)
#define PDC_SIGN(x) \
(((x) < 0) ? -1 : 1)
/*
* general buffer size and
* obligatory size of buffers for formatting function pdc_vsprintf().
*/
#define PDC_GEN_BUFSIZE 4096
#define PDC_TIME_SBUF_SIZE 50
/* flags for pdc_split_stringlist */
#define PDC_SPLIT_ISOPTLIST (1L<<0)
#define PDC_SPLIT_ISARGLIST (1L<<1)
/* flags for convert functions */
#define PDC_INT_UNSIGNED (1L<<0)
#define PDC_INT_CHAR (1L<<1)
#define PDC_INT_SHORT (1L<<2)
#define PDC_INT_HEXADEC (1L<<4)
#define PDC_INT_DEC (1L<<5)
#define PDC_INT_OCTAL (1L<<6)
#define PDC_INT_CASESENS (1L<<7)
#define PDC_INT_CODE (PDC_INT_UNSIGNED | PDC_INT_CHAR | PDC_INT_HEXADEC)
#define PDC_INT_UNICODE (PDC_INT_UNSIGNED | PDC_INT_SHORT | PDC_INT_HEXADEC)
#define PDC_GET_SHORT pdc_get_le_short
#define PDC_GET_USHORT pdc_get_le_ushort
#define PDC_GET_WORD pdc_get_le_ushort
#define PDC_GET_DWORD pdc_get_le_ulong
#define PDC_GET_DWORD3 pdc_get_le_ulong3
#define PDC_GET_LONG pdc_get_le_long
#define PDC_GET_ULONG pdc_get_le_ulong
#define PDC_TREE_INHERIT (1L<<0)
#define PDC_TREE_ISLEAF (1L<<1)
#define PDC_NAME_SEPARSIGN '.'
#define PDC_NAME_SEPARSTRG "."
#define PDC_KIDS_CHUNKSIZE 5
/* tree error codes */
typedef enum
{
tree_ok = 0,
tree_notfound,
tree_nameexists,
tree_isleaf
}
pdc_branch_error;
typedef struct pdc_branch_s pdc_branch;
void pdc_set_unsupp_error(pdc_core *pdc, int err_config, int err_lite,
pdc_bool warning);
void pdc_ascii_error(pdc_core *pdc, int errnum, int flags, const char *parm1,
const char *parm2, const char *parm3, const char *parm4);
void pdc_check_number(pdc_core *pdc, const char *paramname, double dz);
void pdc_check_number_limits(pdc_core *pdc, const char *paramname, double dz,
double dmin, double dmax);
void pdc_check_number_zero(pdc_core *pdc, const char *paramname, double dz);
int pdc_check_text_length(pdc_core *pdc, const char **text, int len,
int maxlen);
typedef struct
{
int second;
int minute;
int hour;
int mday;
int wday;
int month;
int year;
} pdc_time;
void pdc_localtime(pdc_time *t);
void pdc_get_timestr(char *str, pdc_bool ktoascii);
pdc_bool pdc_check_lang_code(pdc_core *pdc, const char* lang_code);
void pdc_setbit(char *bitarr, int bit);
void pdc_setbit_l2r(char *bitarr, int bit);
pdc_bool pdc_getbit(const char *bitarr, int bit);
void pdc_setbit_text(char *bitarr, const unsigned char *text,
int len, int nbits, int size);
pdc_short pdc_get_le_short(const pdc_byte *data);
pdc_ushort pdc_get_le_ushort(const pdc_byte *data);
pdc_sint32 pdc_get_le_long(const pdc_byte *data);
pdc_uint32 pdc_get_le_ulong3(const pdc_byte *data);
pdc_uint32 pdc_get_le_ulong(const pdc_byte *data);
pdc_short pdc_get_be_short(const pdc_byte *data);
pdc_ushort pdc_get_be_ushort(const pdc_byte *data);
pdc_sint32 pdc_get_be_long(const pdc_byte *data);
pdc_uint32 pdc_get_be_ulong3(const pdc_byte *data);
pdc_uint32 pdc_get_be_ulong(const pdc_byte *data);
size_t pdc_wstrlen(const char *str);
size_t pdc_strlen(const char *str);
char *pdc_getenv(const char *name);
char *pdc_strdup_ext(pdc_core *pdc, const char *text, int flags,
const char *fn);
char *pdc_strdup(pdc_core *pdc, const char *text);
char *pdc_strdup2(pdc_core *pdc, const char *text, size_t len);
char *pdc_strdup_tmp(pdc_core *pdc, const char *text);
int pdc_convert_pascal_str(const char *pstr, char *cstr);
pdc_bool pdc_logg_isprint(int c);
char *pdc_strprint(pdc_core *pdc, const char *str, int leni,
int maxchar, pdc_strform_kind strform);
char *pdc_strdup_convert(pdc_core *pdc, pdc_encoding encto,
pdc_encoding encfrom, const char *text, int flags,
const char *fn);
const char *pdc_utf8strprint(pdc_core *pdc, const char *str);
int pdc_split_stringlist(pdc_core *pdc, const char *text,
const char *i_separstr, int flags, char ***stringlist);
char * pdc_substitute_variables(pdc_core *pdc, const char *string, char vchar,
const char *delimiters, const char **varslist,
const char **valslist, int nvars, int *errind);
void pdc_cleanup_stringlist(pdc_core *pdc, char **stringlist);
int pdc_strcmp(const char *s1, const char *s2);
int pdc_stricmp(const char *s1, const char *s2);
int pdc_stricmp_a(const char *s1, const char *s2);
int pdc_strincmp(const char *s1, const char *s2, int n);
int pdc_wstrcmp(const char *s1, const char *s2);
char *pdc_strtrim(char *m_str);
char *pdc_str2trim(char *m_str);
char *pdc_strtoupper(char *str);
char *pdc_strtolower(char *str);
void pdc_swap_bytes2(const char *instring, int inlen, char *outstring);
void pdc_swap_bytes4(const char *instring, int inlen, char *outstring);
char *pdc_strdup_withbom(pdc_core *pdc, const char *text);
void pdc_inflate_ascii(const char *instring, int inlen, char *outstring,
pdc_text_format textformat);
pdc_ushort pdc_get_string_value(pdc_byte *str, int i, int charlen);
int pdc_subst_backslash(pdc_core *pdc, pdc_byte *str, int len,
pdc_encodingvector *ev, pdc_text_format textformat, pdc_bool verbose);
pdc_bool pdc_str2double(const char *string, double *o_dz);
pdc_bool pdc_str2integer(const char *string, int flags, void *o_iz);
pdc_bool pdc_str2integer_ext(pdc_core *pdc, const char *string, int len,
int dupflags, int flags, void *o_iz);
int pdc_vfprintf(pdc_core *pdc, pdc_bool pdfconf, FILE *fp,
const char *format, va_list args);
int pdc_fprintf(pdc_core *pdc, pdc_bool pdfconf, FILE *fp,
const char *format, ...);
int pdc_vsprintf(pdc_core *pdc, pdc_bool pdfconf, char *buf,
const char *format, va_list args);
int pdc_sprintf(pdc_core *pdc, pdc_bool pdfconf, char *buf,
const char *format, ...);
int pdc_vsnprintf(pdc_core *pdc, char *buf, size_t size,
const char *format, va_list args);
pdc_branch *pdc_init_tree(pdc_core *pdc);
pdc_branch *pdc_create_treebranch(pdc_core *pdc, pdc_branch *root,
const char *pathname, void *data, int flags, int size,
pdc_branch_error *errcode, const char **name_p);
char *pdc_get_name_treebranch(pdc_branch *branch);
pdc_branch *pdc_get_parent_treebranch(pdc_branch *branch);
pdc_branch **pdc_get_kids_treebranch(pdc_branch *branch, int *nkids);
void *pdc_get_data_treebranch(pdc_branch *branch);
void pdc_cleanup_treebranch(pdc_core *pdc, pdc_branch *branch);
void pdc_deactivate_name_treebranch(pdc_core *pdc, pdc_branch *branch);
pdc_mempool * pdc_mp_new(pdc_core *pdc, size_t item_size);
void pdc_mp_delete(pdc_mempool *mp);
void * pdc_mp_alloc(pdc_mempool *mp);
void pdc_mp_free(pdc_mempool *mp, void *item);
int pdc_name2idx(const char **names, int size, const char *name);
void * pdc_lfind(const void *key, const void *base, size_t *nmemb,
size_t size, int (*compar)(const void *, const void *));
int pdc_rand(pdc_core *pdc);
void pdc_srand(pdc_core *pdc, pdc_uint seed);
#endif /* PC_UTIL_H */
|
