611 lines
11 KiB
C
611 lines
11 KiB
C
/*
|
|
* $Id: sa.c,v 1.30 2006-08-16 11:35:53 bacon Exp $
|
|
*/
|
|
|
|
#include <xp/awk/awk_i.h>
|
|
|
|
#ifdef XP_AWK_STAND_ALONE
|
|
|
|
static xp_char_t* __adjust_format (const xp_char_t* format);
|
|
|
|
xp_size_t xp_strlen (const xp_char_t* str)
|
|
{
|
|
const xp_char_t* p = str;
|
|
while (*p != XP_T('\0')) p++;
|
|
return p - str;
|
|
}
|
|
|
|
xp_char_t* xp_strdup (const xp_char_t* str)
|
|
{
|
|
xp_char_t* tmp;
|
|
|
|
tmp = (xp_char_t*) xp_malloc (
|
|
(xp_strlen(str) + 1) * xp_sizeof(xp_char_t));
|
|
if (tmp == XP_NULL) return XP_NULL;
|
|
|
|
xp_strcpy (tmp, str);
|
|
return tmp;
|
|
}
|
|
|
|
xp_char_t* xp_strxdup (const xp_char_t* str, xp_size_t len)
|
|
{
|
|
xp_char_t* tmp;
|
|
|
|
tmp = (xp_char_t*) xp_malloc ((len + 1) * xp_sizeof(xp_char_t));
|
|
if (tmp == XP_NULL) return XP_NULL;
|
|
|
|
xp_strncpy (tmp, str, len);
|
|
return tmp;
|
|
}
|
|
|
|
xp_char_t* xp_strxdup2 (
|
|
const xp_char_t* str1, xp_size_t len1,
|
|
const xp_char_t* str2, xp_size_t len2)
|
|
{
|
|
xp_char_t* tmp;
|
|
|
|
tmp = (xp_char_t*) xp_malloc (
|
|
(len1 + len2 + 1) * xp_sizeof(xp_char_t));
|
|
if (tmp == XP_NULL) return XP_NULL;
|
|
|
|
xp_strncpy (tmp, str1, len1);
|
|
xp_strncpy (tmp + len1, str2, len2);
|
|
return tmp;
|
|
}
|
|
|
|
xp_size_t xp_strcpy (xp_char_t* buf, const xp_char_t* str)
|
|
{
|
|
xp_char_t* org = buf;
|
|
while ((*buf++ = *str++) != XP_T('\0'));
|
|
return buf - org - 1;
|
|
}
|
|
|
|
xp_size_t xp_strncpy (xp_char_t* buf, const xp_char_t* str, xp_size_t len)
|
|
{
|
|
const xp_char_t* end = str + len;
|
|
while (str < end) *buf++ = *str++;
|
|
*buf = XP_T('\0');
|
|
return len;
|
|
}
|
|
|
|
int xp_strcmp (const xp_char_t* s1, const xp_char_t* s2)
|
|
{
|
|
while (*s1 == *s2)
|
|
{
|
|
if (*s1 == XP_C('\0')) return 0;
|
|
s1++, s2++;
|
|
}
|
|
|
|
return (*s1 > *s2)? 1: -1;
|
|
}
|
|
|
|
int xp_strxncmp (
|
|
const xp_char_t* s1, xp_size_t len1,
|
|
const xp_char_t* s2, xp_size_t len2)
|
|
{
|
|
const xp_char_t* end1 = s1 + len1;
|
|
const xp_char_t* end2 = s2 + len2;
|
|
|
|
while (s1 < end1 && s2 < end2 && *s1 == *s2) s1++, s2++;
|
|
if (s1 == end1 && s2 == end2) return 0;
|
|
if (*s1 == *s2) return (s1 < end1)? 1: -1;
|
|
return (*s1 > *s2)? 1: -1;
|
|
}
|
|
|
|
xp_char_t* xp_strxnstr (
|
|
const xp_char_t* str, xp_size_t strsz,
|
|
const xp_char_t* sub, xp_size_t subsz)
|
|
{
|
|
const xp_char_t* end, * subp;
|
|
|
|
if (subsz == 0) return (xp_char_t*)str;
|
|
if (strsz < subsz) return XP_NULL;
|
|
|
|
end = str + strsz - subsz;
|
|
subp = sub + subsz;
|
|
|
|
while (str <= end) {
|
|
const xp_char_t* x = str;
|
|
const xp_char_t* y = sub;
|
|
|
|
while (xp_true) {
|
|
if (y >= subp) return (xp_char_t*)str;
|
|
if (*x != *y) break;
|
|
x++; y++;
|
|
}
|
|
|
|
str++;
|
|
}
|
|
|
|
return XP_NULL;
|
|
}
|
|
|
|
xp_char_t* xp_strtok (const xp_char_t* s,
|
|
const xp_char_t* delim, xp_char_t** tok, xp_size_t* tok_len)
|
|
{
|
|
const xp_char_t* p = s, *d;
|
|
const xp_char_t* sp = XP_NULL, * ep = XP_NULL;
|
|
xp_char_t c;
|
|
int delim_mode;
|
|
|
|
/* skip preceding space xp_char_tacters */
|
|
while (/* *p != XP_T('\0') && */ xp_isspace(*p)) p++;
|
|
|
|
if (delim == XP_NULL) delim_mode = 0;
|
|
else {
|
|
delim_mode = 1;
|
|
for (d = delim; *d != XP_T('\0'); d++)
|
|
if (!xp_isspace(*d)) delim_mode = 2;
|
|
}
|
|
|
|
if (delim_mode == 0) {
|
|
/* when XP_NULL is given as "delim", it has an effect of cutting
|
|
preceding and trailing space characters off "s". */
|
|
while ((c = *p) != XP_T('\0'))
|
|
{
|
|
if (!xp_isspace(c))
|
|
{
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p;
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
else if (delim_mode == 1)
|
|
{
|
|
while ((c = *p) != XP_T('\0'))
|
|
{
|
|
if (xp_isspace(c)) break;
|
|
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p++;
|
|
}
|
|
}
|
|
else /* if (delim_mode == 2) */
|
|
{
|
|
while ((c = *p) != XP_T('\0')) {
|
|
if (xp_isspace(c)) {
|
|
p++;
|
|
continue;
|
|
}
|
|
for (d = delim; *d; d++) {
|
|
if (c == *d) {
|
|
goto exit_loop;
|
|
}
|
|
}
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p++;
|
|
}
|
|
}
|
|
|
|
exit_loop:
|
|
if (sp == XP_NULL) {
|
|
*tok = XP_NULL;
|
|
*tok_len = (xp_size_t)0;
|
|
}
|
|
else {
|
|
*tok = (xp_char_t*)sp;
|
|
*tok_len = ep - sp + 1;
|
|
}
|
|
return (c == XP_T('\0'))? XP_NULL: ((xp_char_t*)++p);
|
|
}
|
|
|
|
xp_char_t* xp_strxtok (const xp_char_t* s, xp_size_t len,
|
|
const xp_char_t* delim, xp_char_t** tok, xp_size_t* tok_len)
|
|
{
|
|
const xp_char_t* p = s, *d;
|
|
const xp_char_t* end = s + len;
|
|
const xp_char_t* sp = XP_NULL, * ep = XP_NULL;
|
|
xp_char_t c;
|
|
int delim_mode;
|
|
|
|
/* skip preceding space xp_char_tacters */
|
|
while (p < end && xp_isspace(*p)) p++;
|
|
|
|
if (delim == XP_NULL) delim_mode = 0;
|
|
else
|
|
{
|
|
delim_mode = 1;
|
|
for (d = delim; *d != XP_T('\0'); d++)
|
|
if (!xp_isspace(*d)) delim_mode = 2;
|
|
}
|
|
|
|
if (delim_mode == 0)
|
|
{
|
|
/* when XP_NULL is given as "delim", it has an effect of cutting
|
|
preceding and trailing space xp_char_tacters off "s". */
|
|
while (p < end)
|
|
{
|
|
c = *p;
|
|
|
|
if (!xp_isspace(c))
|
|
{
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p;
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
else if (delim_mode == 1)
|
|
{
|
|
while (p < end)
|
|
{
|
|
c = *p;
|
|
if (xp_isspace(c)) break;
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p++;
|
|
}
|
|
}
|
|
else /* if (delim_mode == 2) */
|
|
{
|
|
while (p < end)
|
|
{
|
|
c = *p;
|
|
if (xp_isspace(c))
|
|
{
|
|
p++;
|
|
continue;
|
|
}
|
|
for (d = delim; *d != XP_T('\0'); d++)
|
|
{
|
|
if (c == *d) goto exit_loop;
|
|
}
|
|
if (sp == XP_NULL) sp = p;
|
|
ep = p++;
|
|
}
|
|
}
|
|
|
|
exit_loop:
|
|
if (sp == XP_NULL)
|
|
{
|
|
*tok = XP_NULL;
|
|
*tok_len = (xp_size_t)0;
|
|
}
|
|
else
|
|
{
|
|
*tok = (xp_char_t*)sp;
|
|
*tok_len = ep - sp + 1;
|
|
}
|
|
|
|
return (p >= end)? XP_NULL: ((xp_char_t*)++p);
|
|
}
|
|
|
|
int xp_printf (const xp_char_t* fmt, ...)
|
|
{
|
|
int n;
|
|
xp_va_list ap;
|
|
|
|
xp_va_start (ap, fmt);
|
|
n = xp_vprintf (fmt, ap);
|
|
xp_va_end (ap);
|
|
return n;
|
|
}
|
|
|
|
int xp_vprintf (const xp_char_t* fmt, xp_va_list ap)
|
|
{
|
|
int n;
|
|
xp_char_t* nf = __adjust_format (fmt);
|
|
if (nf == XP_NULL) return -1;
|
|
|
|
#ifdef XP_CHAR_IS_MCHAR
|
|
n = vprintf (nf, ap);
|
|
#else
|
|
n = vwprintf (nf, ap);
|
|
#endif
|
|
|
|
xp_free (nf);
|
|
return n;
|
|
}
|
|
|
|
int xp_sprintf (xp_char_t* buf, xp_size_t size, const xp_char_t* fmt, ...)
|
|
{
|
|
int n;
|
|
xp_va_list ap;
|
|
|
|
xp_va_start (ap, fmt);
|
|
n = xp_vsprintf (buf, size, fmt, ap);
|
|
xp_va_end (ap);
|
|
return n;
|
|
}
|
|
|
|
int xp_vsprintf (xp_char_t* buf, xp_size_t size, const xp_char_t* fmt, xp_va_list ap)
|
|
{
|
|
int n;
|
|
xp_char_t* nf = __adjust_format (fmt);
|
|
if (nf == XP_NULL) return -1;
|
|
|
|
#if defined(dos) || defined(__dos)
|
|
n = vsprintf (buf, nf, ap); /* TODO: write your own vsnprintf */
|
|
#elif defined(XP_CHAR_IS_MCHAR)
|
|
n = vsnprintf (buf, size, nf, ap);
|
|
#elif defined(_WIN32)
|
|
n = _vsnwprintf (buf, size, nf, ap);
|
|
#else
|
|
n = vswprintf (buf, size, nf, ap);
|
|
#endif
|
|
xp_free (nf);
|
|
return n;
|
|
}
|
|
|
|
xp_str_t* xp_str_open (xp_str_t* str, xp_size_t capa)
|
|
{
|
|
if (str == XP_NULL)
|
|
{
|
|
str = (xp_str_t*) xp_malloc (sizeof(xp_str_t));
|
|
if (str == XP_NULL) return XP_NULL;
|
|
str->__dynamic = xp_true;
|
|
}
|
|
else str->__dynamic = xp_false;
|
|
|
|
str->buf = (xp_char_t*) xp_malloc (xp_sizeof(xp_char_t) * (capa + 1));
|
|
if (str->buf == XP_NULL)
|
|
{
|
|
if (str->__dynamic) xp_free (str);
|
|
return XP_NULL;
|
|
}
|
|
|
|
str->size = 0;
|
|
str->capa = capa;
|
|
str->buf[0] = XP_T('\0');
|
|
|
|
return str;
|
|
}
|
|
|
|
void xp_str_close (xp_str_t* str)
|
|
{
|
|
xp_free (str->buf);
|
|
if (str->__dynamic) xp_free (str);
|
|
}
|
|
|
|
void xp_str_forfeit (xp_str_t* str)
|
|
{
|
|
if (str->__dynamic) xp_free (str);
|
|
}
|
|
|
|
xp_size_t xp_str_cpy (xp_str_t* str, const xp_char_t* s)
|
|
{
|
|
/* TODO: improve it */
|
|
return xp_str_ncpy (str, s, xp_strlen(s));
|
|
}
|
|
|
|
xp_size_t xp_str_ncpy (xp_str_t* str, const xp_char_t* s, xp_size_t len)
|
|
{
|
|
xp_char_t* buf;
|
|
|
|
if (len > str->capa)
|
|
{
|
|
buf = (xp_char_t*) xp_malloc (xp_sizeof(xp_char_t) * (len + 1));
|
|
if (buf == XP_NULL) return (xp_size_t)-1;
|
|
|
|
xp_free (str->buf);
|
|
str->capa = len;
|
|
str->buf = buf;
|
|
}
|
|
|
|
str->size = xp_strncpy (str->buf, s, len);
|
|
str->buf[str->size] = XP_T('\0');
|
|
return str->size;
|
|
}
|
|
|
|
xp_size_t xp_str_cat (xp_str_t* str, const xp_char_t* s)
|
|
{
|
|
/* TODO: improve it */
|
|
return xp_str_ncat (str, s, xp_strlen(s));
|
|
}
|
|
|
|
xp_size_t xp_str_ncat (xp_str_t* str, const xp_char_t* s, xp_size_t len)
|
|
{
|
|
if (len > str->capa - str->size)
|
|
{
|
|
xp_char_t* tmp;
|
|
xp_size_t capa;
|
|
|
|
capa = str->size + len;
|
|
|
|
/* double the capa if necessary for concatenation */
|
|
if (capa < str->capa * 2) capa = str->capa * 2;
|
|
|
|
#ifndef XP_AWK_NTDDK
|
|
tmp = (xp_char_t*) xp_realloc (
|
|
str->buf, xp_sizeof(xp_char_t) * (capa + 1));
|
|
if (tmp == XP_NULL) return (xp_size_t)-1;
|
|
#else
|
|
tmp = (xp_char_t*) xp_malloc (
|
|
xp_sizeof(xp_char_t) * (capa + 1));
|
|
if (tmp == XP_NULL) return (xp_size_t)-1;
|
|
if (str->buf != XP_NULL)
|
|
{
|
|
xp_memcpy (tmp, str->buf,
|
|
xp_sizeof(xp_char_t) * (str->capa + 1));
|
|
xp_free (str->buf);
|
|
}
|
|
#endif
|
|
|
|
str->capa = capa;
|
|
str->buf = tmp;
|
|
}
|
|
|
|
str->size += xp_strncpy (&str->buf[str->size], s, len);
|
|
str->buf[str->size] = XP_T('\0');
|
|
return str->size;
|
|
}
|
|
|
|
xp_size_t xp_str_ccat (xp_str_t* str, xp_char_t c)
|
|
{
|
|
return xp_str_ncat (str, &c, 1);
|
|
}
|
|
|
|
xp_size_t xp_str_nccat (xp_str_t* str, xp_char_t c, xp_size_t len)
|
|
{
|
|
while (len > 0)
|
|
{
|
|
if (xp_str_ncat (str, &c, 1) == (xp_size_t)-1)
|
|
{
|
|
return (xp_size_t)-1;
|
|
}
|
|
|
|
len--;
|
|
}
|
|
return str->size;
|
|
}
|
|
|
|
void xp_str_clear (xp_str_t* str)
|
|
{
|
|
str->size = 0;
|
|
str->buf[0] = XP_T('\0');
|
|
}
|
|
|
|
|
|
#define MOD_SHORT 1
|
|
#define MOD_LONG 2
|
|
#define MOD_LONGLONG 3
|
|
|
|
#define ADDC(str,c) \
|
|
do { \
|
|
if (xp_str_ccat(&str, c) == (xp_size_t)-1) { \
|
|
xp_str_close (&str); \
|
|
return XP_NULL; \
|
|
} \
|
|
} while (0)
|
|
|
|
static xp_char_t* __adjust_format (const xp_char_t* format)
|
|
{
|
|
const xp_char_t* fp = format;
|
|
xp_char_t* tmp;
|
|
xp_str_t str;
|
|
xp_char_t ch;
|
|
int modifier;
|
|
|
|
if (xp_str_open (&str, 256) == XP_NULL) return XP_NULL;
|
|
|
|
while (*fp != XP_T('\0'))
|
|
{
|
|
while (*fp != XP_T('\0') && *fp != XP_T('%'))
|
|
{
|
|
ADDC (str, *fp++);
|
|
}
|
|
|
|
if (*fp == XP_T('\0')) break;
|
|
xp_assert (*fp == XP_T('%'));
|
|
|
|
ch = *fp++;
|
|
ADDC (str, ch); /* add % */
|
|
|
|
ch = *fp++;
|
|
|
|
/* flags */
|
|
for (;;)
|
|
{
|
|
if (ch == XP_T(' ') || ch == XP_T('+') ||
|
|
ch == XP_T('-') || ch == XP_T('#'))
|
|
{
|
|
ADDC (str, ch);
|
|
}
|
|
else if (ch == XP_T('0'))
|
|
{
|
|
ADDC (str, ch);
|
|
ch = *fp++;
|
|
break;
|
|
}
|
|
else break;
|
|
|
|
ch = *fp++;
|
|
}
|
|
|
|
/* check the width */
|
|
if (ch == XP_T('*')) ADDC (str, ch);
|
|
else
|
|
{
|
|
while (xp_isdigit(ch))
|
|
{
|
|
ADDC (str, ch);
|
|
ch = *fp++;
|
|
}
|
|
}
|
|
|
|
/* precision */
|
|
if (ch == XP_T('.'))
|
|
{
|
|
ADDC (str, ch);
|
|
ch = *fp++;
|
|
|
|
if (ch == XP_T('*')) ADDC (str, ch);
|
|
else
|
|
{
|
|
while (xp_isdigit(ch))
|
|
{
|
|
ADDC (str, ch);
|
|
ch = *fp++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* modifier */
|
|
for (modifier = 0;;)
|
|
{
|
|
if (ch == XP_T('h')) modifier = MOD_SHORT;
|
|
else if (ch == XP_T('l'))
|
|
{
|
|
modifier = (modifier == MOD_LONG)? MOD_LONGLONG: MOD_LONG;
|
|
}
|
|
else break;
|
|
ch = *fp++;
|
|
}
|
|
|
|
|
|
/* type */
|
|
if (ch == XP_T('%')) ADDC (str, ch);
|
|
else if (ch == XP_T('c') || ch == XP_T('s'))
|
|
{
|
|
#if !defined(XP_CHAR_IS_MCHAR) && !defined(_WIN32)
|
|
ADDC (str, 'l');
|
|
#endif
|
|
ADDC (str, ch);
|
|
}
|
|
else if (ch == XP_T('C') || ch == XP_T('S'))
|
|
{
|
|
#ifdef _WIN32
|
|
ADDC (str, ch);
|
|
#else
|
|
#ifdef XP_CHAR_IS_MCHAR
|
|
ADDC (str, 'l');
|
|
#endif
|
|
ADDC (str, xp_tolower(ch));
|
|
#endif
|
|
}
|
|
else if (ch == XP_T('d') || ch == XP_T('i') ||
|
|
ch == XP_T('o') || ch == XP_T('u') ||
|
|
ch == XP_T('x') || ch == XP_T('X'))
|
|
{
|
|
if (modifier == MOD_SHORT)
|
|
{
|
|
ADDC (str, 'h');
|
|
}
|
|
else if (modifier == MOD_LONG)
|
|
{
|
|
ADDC (str, 'l');
|
|
}
|
|
else if (modifier == MOD_LONGLONG)
|
|
{
|
|
#if defined(_WIN32) && !defined(__LCC__)
|
|
ADDC (str, 'I');
|
|
ADDC (str, '6');
|
|
ADDC (str, '4');
|
|
#else
|
|
ADDC (str, 'l');
|
|
ADDC (str, 'l');
|
|
#endif
|
|
}
|
|
ADDC (str, ch);
|
|
}
|
|
else if (ch == XP_T('\0')) break;
|
|
else ADDC (str, ch);
|
|
}
|
|
|
|
tmp = XP_STR_BUF(&str);
|
|
xp_str_forfeit (&str);
|
|
return tmp;
|
|
}
|
|
|
|
#endif
|