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This commit was generated by cvs2svn to compensate for changes in r372,

which included commits to RCS files with non-trunk default branches.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 1999-01-20 04:59:39 +00:00
parent 9c5b1986a3
commit 210367ec88
140 changed files with 25635 additions and 14037 deletions

463
sprintf.c
View file

@ -6,14 +6,14 @@
$Date$
created at: Fri Oct 15 10:39:26 JST 1993
Copyright (C) 1993-1996 Yukihiro Matsumoto
Copyright (C) 1993-1998 Yukihiro Matsumoto
************************************************/
#include "ruby.h"
#include <ctype.h>
static void fmt_setup();
static void fmt_setup _((char*,char,int,int,int));
static char*
remove_sign_bits(str, base)
@ -23,20 +23,21 @@ remove_sign_bits(str, base)
char *s, *t, *end;
s = t = str;
end = str + strlen(str);
if (base == 16) {
x_retry:
switch (*t) {
case 'c':
*t = '8';
case 'c': case 'C':
*t = '4';
break;
case 'd':
*t = '9';
case 'd': case 'D':
*t = '5';
break;
case 'e':
case 'e': case 'E':
*t = '2';
break;
case 'f':
case 'f': case 'F':
if (t[1] > '8') {
t++;
goto x_retry;
@ -99,32 +100,16 @@ remove_sign_bits(str, base)
return str;
}
double big2dbl();
#ifndef atof
double atof();
#endif
VALUE
f_sprintf(argc, argv)
int argc;
VALUE *argv;
{
VALUE fmt;
char *buf, *p, *end;
int blen, bsiz;
VALUE result;
double rb_big2dbl _((VALUE));
#define FNONE 0
#define FSHARP 1
#define FMINUS 2
#define FPLUS 4
#define FZERO 8
#define FWIDTH 16
#define FPREC 32
int width = 0, prec = 0, flags = FNONE;
VALUE str;
#define FSPACE 16
#define FWIDTH 32
#define FPREC 64
#define CHECK(l) {\
while (blen + (l) >= bsiz) {\
@ -140,17 +125,30 @@ f_sprintf(argc, argv)
}
#define GETARG() \
((argc == 0)?(ArgError("too few argument."),0):(argc--,((argv++)[0])))
((argc == 0)?(rb_raise(rb_eArgError, "too few argument."),0):(argc--,((argv++)[0])))
VALUE
rb_f_sprintf(argc, argv)
int argc;
VALUE *argv;
{
VALUE fmt;
char *buf, *p, *end;
int blen, bsiz;
VALUE result;
int width, prec, flags = FNONE;
VALUE tmp;
VALUE str;
fmt = GETARG();
Check_Type(fmt, T_STRING);
p = str2cstr(fmt, &blen);
end = p + blen;
blen = 0;
bsiz = 120;
buf = ALLOC_N(char, bsiz);
end = RSTRING(fmt)->ptr + RSTRING(fmt)->len;
for (p = RSTRING(fmt)->ptr; p < end; p++) {
for (; p < end; p++) {
char *t;
for (t = p; t < end && *t != '%'; t++) ;
@ -162,16 +160,18 @@ f_sprintf(argc, argv)
}
p = t + 1; /* skip `%' */
width = prec = -1;
retry:
switch (*p) {
default:
if (isprint(*p))
ArgError("malformed format string - %%%c", *p);
if (ISPRINT(*p))
rb_raise(rb_eArgError, "malformed format string - %%%c", *p);
else
ArgError("malformed format string");
rb_raise(rb_eArgError, "malformed format string");
break;
case ' ':
flags |= FSPACE;
p++;
goto retry;
@ -199,51 +199,50 @@ f_sprintf(argc, argv)
case '5': case '6': case '7': case '8': case '9':
flags |= FWIDTH;
width = 0;
for (; p < end && isdigit(*p); p++) {
for (; p < end && ISDIGIT(*p); p++) {
width = 10 * width + (*p - '0');
}
if (p >= end) {
ArgError("malformed format string - %%[0-9]");
rb_raise(rb_eArgError, "malformed format string - %%[0-9]");
}
goto retry;
case '*':
if (flags & FWIDTH) {
ArgError("width given twice");
rb_raise(rb_eArgError, "width given twice");
}
flags |= FWIDTH;
width = GETARG();
width = NUM2INT(width);
tmp = GETARG();
width = NUM2INT(tmp);
if (width < 0) {
flags |= FMINUS;
width = - width;
width = -width;
}
p++;
goto retry;
case '.':
if (flags & FPREC) {
ArgError("precision given twice");
rb_raise(rb_eArgError, "precision given twice");
}
prec = 0;
p++;
if (*p == '0') flags |= FZERO;
if (*p == '*') {
prec = GETARG();
prec = NUM2INT(prec);
tmp = GETARG();
prec = NUM2INT(tmp);
if (prec > 0)
flags |= FPREC;
p++;
goto retry;
}
for (; p < end && isdigit(*p); p++) {
for (; p < end && ISDIGIT(*p); p++) {
prec = 10 * prec + (*p - '0');
}
if (p >= end) {
ArgError("malformed format string - %%.[0-9]");
rb_raise(rb_eArgError, "malformed format string - %%.[0-9]");
}
if (prec > 0)
flags |= FPREC;
@ -261,8 +260,13 @@ f_sprintf(argc, argv)
VALUE val = GETARG();
char c;
if (!(flags & FMINUS))
while (--width > 0)
PUSH(" ", 1);
c = NUM2INT(val) & 0xff;
PUSH(&c, 1);
while (--width > 0)
PUSH(" ", 1);
}
break;
@ -271,7 +275,7 @@ f_sprintf(argc, argv)
VALUE arg = GETARG();
int len;
str = obj_as_string(arg);
str = rb_obj_as_string(arg);
len = RSTRING(str)->len;
if (flags&FPREC) {
if (prec < len) {
@ -283,8 +287,8 @@ f_sprintf(argc, argv)
}
if (flags&FWIDTH) {
if (width > len) {
width -= len;
CHECK(width);
width -= len;
if (!(flags&FMINUS)) {
while (width--) {
buf[blen++] = ' ';
@ -306,28 +310,58 @@ f_sprintf(argc, argv)
}
break;
case 'b':
case 'B':
case 'd':
case 'i':
case 'o':
case 'x':
case 'X':
case 'b':
case 'u':
{
volatile VALUE val = GETARG();
char fbuf[32], nbuf[64], *s, *t;
int v, base, bignum = 0;
int len, slen, pos;
char *prefix = 0;
int sign = 0;
char sc = 0;
long v;
int base, bignum = 0;
int len, pos;
switch (*p) {
case 'd':
case 'i':
sign = 1; break;
case 'o':
case 'x':
case 'X':
case 'b':
case 'u':
default:
if (flags&(FPLUS|FSPACE)) sign = 1;
break;
}
if (flags & FSHARP) {
if (*p == 'o') prefix = "0";
else if (*p == 'x') prefix = "0x";
else if (*p == 'X') prefix = "0X";
else if (*p == 'b') prefix = "0b";
if (prefix) {
width -= strlen(prefix);
}
}
bin_retry:
switch (TYPE(val)) {
case T_FIXNUM:
v = FIX2INT(val);
v = FIX2LONG(val);
break;
case T_FLOAT:
val = dbl2big(RFLOAT(val)->value);
val = rb_dbl2big(RFLOAT(val)->value);
if (FIXNUM_P(val)) goto bin_retry;
bignum = 1;
break;
case T_STRING:
val = str2inum(RSTRING(val)->ptr, 0);
val = rb_str2inum(RSTRING(val)->ptr, 10);
goto bin_retry;
case T_BIGNUM:
bignum = 1;
@ -337,51 +371,90 @@ f_sprintf(argc, argv)
break;
}
if (*p == 'x') base = 16;
if (*p == 'u' || *p == 'd' || *p == 'i') base = 10;
else if (*p == 'x' || *p == 'X') base = 16;
else if (*p == 'o') base = 8;
else if (*p == 'u') base = 10;
else if (*p == 'b' || *p == 'B') base = 2;
else if (*p == 'b') base = 2;
if (!bignum) {
if (*p == 'b' || *p == 'B') {
val = int2big(v);
if (base == 2) {
val = rb_int2big(v);
goto bin_retry;
}
else {
s = nbuf;
if (sign) {
char c = *p;
if (c == 'i') c = 'd'; /* %d and %i are identical */
if (v < 0) {
strcpy(s, "..");
s += 2;
bignum = 2;
v = -v;
sc = '-';
width--;
}
sprintf(fbuf, "%%%c", *p);
sprintf(s, fbuf, v);
if (v < 0) {
char d = 0;
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
sprintf(fbuf, "%%l%c", c);
sprintf(nbuf, fbuf, v);
s = nbuf;
goto format_integer;
}
s = nbuf;
if (v < 0) {
strcpy(s, "..");
s += 2;
}
sprintf(fbuf, "%%l%c", *p);
sprintf(s, fbuf, v);
if (v < 0) {
char d = 0;
remove_sign_bits(s, base);
switch (base) {
case 16:
d = 'f'; break;
case 8:
d = '7'; break;
}
if (d && *s != d) {
memmove(s+1, s, strlen(s)+1);
*s = d;
}
remove_sign_bits(s, base);
switch (base) {
case 16:
d = 'f';
break;
case 8:
d = '7'; break;
}
if (d && *s != d) {
memmove(s+1, s, strlen(s)+1);
*s = d;
}
s = nbuf;
goto unsigned_format;
}
s = nbuf;
goto format_integer;
}
if (*p != 'B' && !RBIGNUM(val)->sign) {
val = big_clone(val);
big_2comp(val);
if (sign) {
val = rb_big2str(val, base);
s = RSTRING(val)->ptr;
if (s[0] == '-') {
s++;
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
goto format_integer;
}
val = big2str(val, base);
if (!RBIGNUM(val)->sign) {
val = rb_big_clone(val);
rb_big_2comp(val);
}
val = rb_big2str(val, base);
s = RSTRING(val)->ptr;
if (*s == '-' && *p != 'B') {
if (*s == '-') {
remove_sign_bits(++s, base);
val = str_new(0, 3+strlen(s));
val = rb_str_new(0, 3+strlen(s));
t = RSTRING(val)->ptr;
strcpy(t, "..");
t += 2;
@ -396,165 +469,79 @@ f_sprintf(argc, argv)
}
s = RSTRING(val)->ptr;
unsigned_format:
slen = len = strlen(s);
pos = blen;
if (flags&FWIDTH) {
if (width <= len) flags &= ~FWIDTH;
else {
slen = width;
format_integer:
pos = -1;
len = strlen(s);
if (*p == 'X') {
char *pp = s;
while (*pp) {
*pp = toupper(*pp);
pp++;
}
}
if (flags&FPREC) {
if (prec <= len) flags &= ~FPREC;
else {
if (prec >= slen) {
flags &= ~FWIDTH;
slen = prec;
if (prec < len) prec = len;
width -= prec;
if (!(flags&(FZERO|FMINUS)) && s[0] != '.') {
CHECK(width);
while (width-->0) {
buf[blen++] = ' ';
}
}
if (sc) PUSH(&sc, 1);
if (prefix) {
int plen = strlen(prefix);
CHECK(plen);
strcpy(&buf[blen], prefix);
blen += plen;
if (pos) pos += plen;
}
if (!(flags & FMINUS)) {
char c = ' ';
if (s[0] == '.') {
c = '.';
if ((flags & FPREC) && prec > len) {
pos = blen;
}
else {
pos = blen + 2;
}
}
}
if (slen > len) {
int n = slen-len;
char d = ' ';
if (flags & FZERO) d = '0';
CHECK(n);
while (n--) {
buf[blen++] = d;
else if (flags & FZERO) c = '0';
CHECK(width);
while (width-->0) {
buf[blen++] = c;
}
}
if ((flags&(FWIDTH|FPREC)) == (FWIDTH|FPREC)) {
if (prec < width) {
pos = width - prec;
}
CHECK(prec - len);
while (len < prec--) {
buf[blen++] = s[0]=='.'?'.':'0';
}
CHECK(len);
strcpy(&buf[blen], s);
blen += len;
t = &buf[pos];
if (bignum == 2) {
char d = '.';
CHECK(width);
while (width-->0) {
buf[blen++] = ' ';
}
if (pos >= 0 && buf[pos] == '.') {
char c = '.';
switch (base) {
case 16:
d = 'f'; break;
if (*p == 'X') c = 'F';
else c = 'f';
break;
case 8:
d = '7'; break;
c = '7'; break;
case '2':
d = '1'; break;
c = '1'; break;
}
if ((flags & FPREC) == 0 || prec <= len-2) {
*t++ = '.'; *t++ = '.';
s = &buf[pos];
while (*s && *s == '.') {
*s++ = c;
}
while (*t == ' ' || *t == '.') {
*t++ = d;
}
}
else if (flags & (FPREC|FZERO)) {
while (*t == ' ') {
*t++ = '0';
}
}
}
break;
case 'd':
case 'D':
case 'O':
case 'X':
{
volatile VALUE val = GETARG();
char fbuf[32], c = *p;
int bignum = 0, base;
int v;
if (c == 'D') c = 'd';
int_retry:
switch (TYPE(val)) {
case T_FIXNUM:
v = FIX2INT(val);
break;
case T_FLOAT:
v = RFLOAT(val)->value;
break;
case T_STRING:
val = str2inum(RSTRING(val)->ptr, 0);
goto int_retry;
case T_BIGNUM:
if (c == 'd') base = 10;
else if (c == 'X') base = 16;
else if (c == 'O') base = 8;
val = big2str(val, base);
bignum = 1;
break;
default:
val = num2fix(val);
goto int_retry;
}
if (bignum) {
char *s = RSTRING(val)->ptr;
int slen, len, pos_b, pos;
slen = len = strlen(s);
pos = pos_b = blen;
if (flags&FWIDTH) {
if (width <= len) flags &= ~FWIDTH;
else {
slen = width;
}
}
if (flags&FPREC) {
if (prec <= len) flags &= ~FPREC;
else {
if (prec >= slen) {
flags &= ~FWIDTH;
slen = prec;
}
}
}
if (slen > len) {
int n = slen-len;
CHECK(n);
while (n--) {
buf[blen++] = ' ';
}
}
if ((flags&(FWIDTH|FPREC)) == (FWIDTH|FPREC)) {
if (prec < width) {
pos = width - prec;
}
}
CHECK(len);
strcpy(&buf[blen], s);
blen += len;
if (flags & (FPREC|FZERO)) {
char *t = &buf[pos];
char *b = &buf[pos_b];
if (s[0] == '-') {
if (slen > len && t != b ) t[-1] = '-';
else *t++ = '-';
}
while (*t == ' ' || *t == '-') {
*t++ = '0';
}
}
}
else {
int max = 11;
if ((flags & FPREC) && prec > max) max = prec;
if ((flags & FWIDTH) && width > max) max = width;
CHECK(max);
if (v < 0 && (c == 'X' || c == 'O')) {
v = -v;
PUSH("-", 1);
}
fmt_setup(fbuf, c, flags, width, prec);
sprintf(&buf[blen], fbuf, v);
blen += strlen(&buf[blen]);
}
}
break;
@ -562,6 +549,7 @@ f_sprintf(argc, argv)
case 'f':
case 'g':
case 'e':
case 'E':
{
VALUE val = GETARG();
double fval;
@ -569,13 +557,13 @@ f_sprintf(argc, argv)
switch (TYPE(val)) {
case T_FIXNUM:
fval = FIX2INT(val);
fval = (double)FIX2LONG(val);
break;
case T_FLOAT:
fval = RFLOAT(val)->value;
break;
case T_BIGNUM:
fval = big2dbl(val);
fval = rb_big2dbl(val);
break;
case T_STRING:
fval = atof(RSTRING(val)->ptr);
@ -597,10 +585,10 @@ f_sprintf(argc, argv)
}
sprint_exit:
if (RTEST(verbose) && argc > 1) {
ArgError("too many argument for format string");
if (RTEST(rb_verbose) && argc > 1) {
rb_raise(rb_eArgError, "too many argument for format string");
}
result = str_new(buf, blen);
result = rb_str_new(buf, blen);
free(buf);
return result;
@ -616,6 +604,7 @@ fmt_setup(buf, c, flags, width, prec)
if (flags & FPLUS) *buf++ = '+';
if (flags & FMINUS) *buf++ = '-';
if (flags & FZERO) *buf++ = '0';
if (flags & FSPACE) *buf++ = ' ';
if (flags & FWIDTH) {
sprintf(buf, "%d", width);