netsurf/utils/utils.h

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/*
* Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net>
* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NETSURF_UTILS_UTILS_H_
#define _NETSURF_UTILS_UTILS_H_
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/time.h>
#include <regex.h>
#include <assert.h>
#ifndef NOF_ELEMENTS
#define NOF_ELEMENTS(array) (sizeof(array)/sizeof(*(array)))
#endif
#ifndef ABS
#define ABS(x) (((x)>0)?(x):(-(x)))
#endif
#ifdef __MINT__ /* avoid using GCCs builtin min/max functions */
#undef min
#undef max
#endif
#ifndef min
#define min(x,y) (((x)<(y))?(x):(y))
#endif
#ifndef max
#define max(x,y) (((x)>(y))?(x):(y))
#endif
#ifndef PRIxPTR
#define PRIxPTR "x"
#endif
#ifndef PRId64
#define PRId64 "lld"
#endif
#if defined(__HAIKU__) || defined(__BEOS__)
#define strtof(s,p) ((float)(strtod((s),(p))))
#endif
#if !defined(ceilf) && defined(__MINT__)
#define ceilf(x) (float)ceil((double)x)
#endif
/**
* Calculate length of constant C string.
*
* \param x a constant C string.
* \return the length of C string without its terminating NUL accounted.
*/
#define SLEN(x) (sizeof((x)) - 1)
enum query_response {
QUERY_CONTINUE,
QUERY_YES,
QUERY_NO,
QUERY_ESCAPE
};
typedef int query_id;
#define QUERY_INVALID ((query_id)-1)
typedef struct
{
void (*confirm)(query_id id, enum query_response res, void *pw);
void (*cancel)(query_id, enum query_response res, void *pw);
} query_callback;
#ifdef HAVE_MKDIR
#define nsmkdir(dir, mode) mkdir((dir), (mode))
#else
#define nsmkdir(dir, mode) mkdir((dir))
#endif
#ifndef timeradd
#define timeradd(a, aa, result) \
do { \
(result)->tv_sec = (a)->tv_sec + (aa)->tv_sec; \
(result)->tv_usec = (a)->tv_usec + (aa)->tv_usec; \
if ((result)->tv_usec >= 1000000) { \
++(result)->tv_sec; \
(result)->tv_usec -= 1000000; \
} \
} while (0)
#endif
#ifndef timersub
#define timersub(a, aa, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (aa)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (aa)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
/**
* Private-word-capable realloc() implementation which
* behaves as most NS libraries expect in the face of
* realloc(ptr, 0) and realloc(NULL, size).
*
* \param ptr The pointer for reallocation
* \param size The number of bytes for the allocation
* \param pw A "private word" which we ignore.
* \return The new pointer (NULL on frees or errors)
*/
void *ns_realloc(void *ptr, size_t size, void *pw);
char * strip(char * const s);
int whitespace(const char * str);
char * squash_whitespace(const char * s);
char *remove_underscores(const char *s, bool replacespace);
char *cnv_space2nbsp(const char *s);
bool is_dir(const char *path);
void regcomp_wrapper(regex_t *preg, const char *regex, int cflags);
void unicode_transliterate(unsigned int c, char **r);
char *human_friendly_bytesize(unsigned long bytesize);
const char *rfc1123_date(time_t t);
unsigned int wallclock(void);
/**
* Return a hex digit for the given numerical value.
*
* \return character in range 0-9a-f
*/
inline static char digit2lowcase_hex(unsigned char digit) {
assert(digit < 16);
return "0123456789abcdef"[digit];
}
/**
* Return a hex digit for the given numerical value.
*
* \return character in range 0-9A-F
*/
inline static char digit2uppercase_hex(unsigned char digit) {
assert(digit < 16);
return "0123456789ABCDEF"[digit];
}
/* Platform specific functions */
void die(const char * const error);
void warn_user(const char *warning, const char *detail);
query_id query_user(const char *query, const char *detail,
const query_callback *cb, void *pw, const char *yes, const char *no);
void query_close(query_id);
Second merge of Adam Blokus' GSoC work from his branch 'branches/adamblokus/netsurf'. Merged revisions 4195-4211,4216,4219-4220,4222-4234,4236-4250,4252-4262,4264-4266,4268-4326,4329-4335,4338-4342,4344-4411,4413-4420,4422-4436,4438-4491,4494-4506,4508-4514,4516,4518-4552,4554,4556-4564,4567-4568,4570-4574,4576-4686,4689-4692,4694,4698-4709,4715-4723,4725-4755,4757-4769,4771-4919,4921-4996,4998-5110,5112-5117 via svnmerge from svn://svn.netsurf-browser.org/branches/adamblokus/netsurf ........ r4736 | adamblokus | 2008-07-26 13:46:54 +0200 (Sat, 26 Jul 2008) | 2 lines Sorting out some problems with svn. ........ r4737 | adamblokus | 2008-07-26 13:54:36 +0200 (Sat, 26 Jul 2008) | 4 lines Added export tab to the options dialog. Added the possibility of changing some print options. ........ r4897 | adamblokus | 2008-08-04 17:59:05 +0200 (Mon, 04 Aug 2008) | 5 lines Added checking of horizontal clipping. Added better table loosening. Changed some minor bugs. Applied changes in the Export options tab according to the review from tlsa. ........ r4905 | adamblokus | 2008-08-05 01:53:34 +0200 (Tue, 05 Aug 2008) | 2 lines Fixed bug which made it impossible to export pdf's. ........ r4919 | adamblokus | 2008-08-05 16:39:33 +0200 (Tue, 05 Aug 2008) | 2 lines Fixed some memory leaks which caused Netsurf to break. ........ r4927 | adamblokus | 2008-08-06 02:26:30 +0200 (Wed, 06 Aug 2008) | 4 lines Fixed bug with filenames which crashed Netsurf. Turned anti aliasing off for printing. Fixed some scaling issues. ........ r4928 | adamblokus | 2008-08-06 17:52:44 +0200 (Wed, 06 Aug 2008) | 5 lines Added new export/print options: - suppressing images - turning off backgrounds - toggled loosening ........ r4950 | adamblokus | 2008-08-07 21:15:21 +0200 (Thu, 07 Aug 2008) | 5 lines Added new options to PDF export: - document compression - document encryption Added PDF password dialog ........ r4954 | adamblokus | 2008-08-07 22:11:31 +0200 (Thu, 07 Aug 2008) | 2 lines Added saving print settings. ........ r4956 | adamblokus | 2008-08-07 22:44:48 +0200 (Thu, 07 Aug 2008) | 2 lines Fixes to PDF encryption ........ r4970 | adamblokus | 2008-08-09 15:26:24 +0200 (Sat, 09 Aug 2008) | 3 lines Fixed bug in plotting tiled bitmaps. Fixed bug with too long text decorations. ........ r4977 | adamblokus | 2008-08-09 19:18:56 +0200 (Sat, 09 Aug 2008) | 2 lines Fixed JPG embedding bug. ........ r4988 | adamblokus | 2008-08-10 16:59:51 +0200 (Sun, 10 Aug 2008) | 3 lines Added clip checking to pdf plotters. No more "blank" clips. Made PDF compression a default setting. ........ r4995 | adamblokus | 2008-08-10 20:03:00 +0200 (Sun, 10 Aug 2008) | 2 lines Fixed Haru crash on font-size==0. ........ r4996 | adamblokus | 2008-08-10 21:04:43 +0200 (Sun, 10 Aug 2008) | 2 lines Added changing text mode only if necessary. ........ r5045 | adamblokus | 2008-08-11 21:26:26 +0200 (Mon, 11 Aug 2008) | 3 lines Removing gtk stuff from core code. Little fix in options. ........ r5048 | adamblokus | 2008-08-11 21:57:45 +0200 (Mon, 11 Aug 2008) | 2 lines Better font size checking in PDF export. ........ r5050 | adamblokus | 2008-08-11 22:19:56 +0200 (Mon, 11 Aug 2008) | 2 lines Fixed riscos text scale bug. ........ r5073 | adamblokus | 2008-08-12 17:40:57 +0200 (Tue, 12 Aug 2008) | 2 lines Added missing tooltips ........ r5092 | adamblokus | 2008-08-13 17:09:25 +0200 (Wed, 13 Aug 2008) | 2 lines Moved /pdf folder to desktop/save_pdf ........ r5110 | adamblokus | 2008-08-13 22:44:50 +0200 (Wed, 13 Aug 2008) | 2 lines Added comments. ........ r5113 | adamblokus | 2008-08-13 23:07:35 +0200 (Wed, 13 Aug 2008) | 2 lines Cosmetic changes ........ r5116 | adamblokus | 2008-08-14 16:10:18 +0200 (Thu, 14 Aug 2008) | 2 lines Fixed bug with BOX_INLINE_END in tree duplication. ........ r5117 | joty | 2008-08-14 21:47:46 +0200 (Thu, 14 Aug 2008) | 1 line Improvement for r5116: use local vars when possible; rename global last to box_duplicate_last; check on box_duplicate_main_tree failure. ........ svn path=/trunk/netsurf/; revision=5118
2008-08-15 00:32:10 +04:00
void PDF_Password(char **owner_pass, char **user_pass, char *path);
char *filename_from_path(char *path);
bool path_add_part(char *path, int length, const char *newpart);
#endif