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Comparing JSON-XS/XS.xs (file contents):
Revision 1.25 by root, Fri Apr 6 20:37:22 2007 UTC vs.
Revision 1.29 by root, Wed May 9 15:34:04 2007 UTC

3#include "XSUB.h" 3#include "XSUB.h"
4 4
5#include "assert.h" 5#include "assert.h"
6#include "string.h" 6#include "string.h"
7#include "stdlib.h" 7#include "stdlib.h"
8#include "stdio.h"
9
10#if defined(__BORLANDC__) || defined(_MSC_VER)
11# define snprintf _snprintf // C compilers have this in stdio.h
12#endif
8 13
9#define F_ASCII 0x00000001UL 14#define F_ASCII 0x00000001UL
10#define F_UTF8 0x00000002UL 15#define F_UTF8 0x00000002UL
11#define F_INDENT 0x00000004UL 16#define F_INDENT 0x00000004UL
12#define F_CANONICAL 0x00000008UL 17#define F_CANONICAL 0x00000008UL
26#define F_DEFAULT (9UL << S_MAXDEPTH) 31#define F_DEFAULT (9UL << S_MAXDEPTH)
27 32
28#define INIT_SIZE 32 // initial scalar size to be allocated 33#define INIT_SIZE 32 // initial scalar size to be allocated
29#define INDENT_STEP 3 // spaces per indentation level 34#define INDENT_STEP 3 // spaces per indentation level
30 35
31#define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character
32#define SHORT_STRING_LEN 512 // special-case strings of up to this size 36#define SHORT_STRING_LEN 512 // special-case strings of up to this size
33 37
34#define SB do { 38#define SB do {
35#define SE } while (0) 39#define SE } while (0)
36 40
104 if (enc->cur + len >= enc->end) 108 if (enc->cur + len >= enc->end)
105 { 109 {
106 STRLEN cur = enc->cur - SvPVX (enc->sv); 110 STRLEN cur = enc->cur - SvPVX (enc->sv);
107 SvGROW (enc->sv, cur + len + 1); 111 SvGROW (enc->sv, cur + len + 1);
108 enc->cur = SvPVX (enc->sv) + cur; 112 enc->cur = SvPVX (enc->sv) + cur;
109 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv); 113 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
110 } 114 }
111} 115}
112 116
113static void 117static void
114encode_ch (enc_t *enc, char ch) 118encode_ch (enc_t *enc, char ch)
211 } 215 }
212 while (--clen); 216 while (--clen);
213 } 217 }
214 else 218 else
215 { 219 {
216 need (enc, len += UTF8_MAX_LEN - 1); // never more than 11 bytes needed 220 need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed
217 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0); 221 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
218 ++str; 222 ++str;
219 } 223 }
220 } 224 }
221 } 225 }
514 518
515 if (!(flags & (F_ASCII | F_UTF8))) 519 if (!(flags & (F_ASCII | F_UTF8)))
516 SvUTF8_on (enc.sv); 520 SvUTF8_on (enc.sv);
517 521
518 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); 522 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
523 *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
519 524
520 if (enc.flags & F_SHRINK) 525 if (enc.flags & F_SHRINK)
521 shrink (enc.sv); 526 shrink (enc.sv);
522 527
523 return enc.sv; 528 return enc.sv;
595 SV *sv = 0; 600 SV *sv = 0;
596 int utf8 = 0; 601 int utf8 = 0;
597 602
598 do 603 do
599 { 604 {
600 char buf [SHORT_STRING_LEN + UTF8_MAX_LEN]; 605 char buf [SHORT_STRING_LEN + UTF8_MAXBYTES];
601 char *cur = buf; 606 char *cur = buf;
602 607
603 do 608 do
604 { 609 {
605 unsigned char ch = *(unsigned char *)dec->cur++; 610 unsigned char ch = *(unsigned char *)dec->cur++;
977decode_json (SV *string, U32 flags) 982decode_json (SV *string, U32 flags)
978{ 983{
979 dec_t dec; 984 dec_t dec;
980 SV *sv; 985 SV *sv;
981 986
987 SvGETMAGIC (string);
982 SvUPGRADE (string, SVt_PV); 988 SvUPGRADE (string, SVt_PV);
983 989
984 if (flags & F_UTF8) 990 if (flags & F_UTF8)
985 sv_utf8_downgrade (string, 0); 991 sv_utf8_downgrade (string, 0);
986 else 992 else

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