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Diffstat (limited to 'src/pdflib/pdcore/pc_util.h')
| -rw-r--r-- | src/pdflib/pdcore/pc_util.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/src/pdflib/pdcore/pc_util.h b/src/pdflib/pdcore/pc_util.h new file mode 100644 index 0000000..af84606 --- /dev/null +++ b/src/pdflib/pdcore/pc_util.h @@ -0,0 +1,268 @@ +/*---------------------------------------------------------------------------* + | 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 1.1 2008/10/17 06:10:43 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) + +/* flags for pdc_split_stringlist */ +#define PDC_SPLIT_ISOPTLIST (1L<<0) + +#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; + +#define PDC_TIME_SBUF_SIZE 50 + +void pdc_set_unsupp_error(pdc_core *pdc, int err_config, int err_lite, + pdc_bool warning); +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); + +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); +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_strlen(const char *text); +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); +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_strincmp(const char *s1, const char *s2, int n); +char *pdc_strtrim(char *m_str); +char *pdc_str2trim(char *m_str); +char *pdc_strtoupper(char *str); +char *pdc_strtolower(char *str); +int pdc_tolower_ascii(int c); +int pdc_toupper_ascii(int c); +void pdc_swap_bytes(char *instring, int inlen, char *outstring); +void pdc_swap_unicodes(char *instring); +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); + +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(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 */ |