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zend_operators.c
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2009 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <ctype.h>
#include "zend.h"
#include "zend_operators.h"
#include "zend_variables.h"
#include "zend_globals.h"
#include "zend_list.h"
#include "zend_API.h"
#include "zend_multiply.h"
#include "zend_strtod.h"
#include "zend_exceptions.h"
#include "zend_float.h"
#include "unicode/uchar.h"
#include "unicode/ucol.h"
#define LONG_SIGN_MASK (1L << (8*sizeof(long)-1))
#if ZEND_USE_TOLOWER_L
#include <locale.h>
static _locale_t current_locale = NULL;
/* this is true global! may lead to strange effects on ZTS, but so may setlocale() */
#define zend_tolower(c) _tolower_l(c, current_locale)
#else
#define zend_tolower(c) tolower(c)
#endif
#define TYPE_PAIR(t1,t2) (((t1) << 4) | (t2))
ZEND_API int zend_atoi(const char *str, int str_len) /* {{{ */
{
int retval;
if (!str_len) {
str_len = strlen(str);
}
retval = strtol(str, NULL, 0);
if (str_len>0) {
switch (str[str_len-1]) {
case 'g':
case 'G':
retval *= 1024;
/* break intentionally missing */
case 'm':
case 'M':
retval *= 1024;
/* break intentionally missing */
case 'k':
case 'K':
retval *= 1024;
break;
}
}
return retval;
}
/* }}} */
ZEND_API long zend_atol(const char *str, int str_len) /* {{{ */
{
long retval;
if (!str_len) {
str_len = strlen(str);
}
retval = strtol(str, NULL, 0);
if (str_len>0) {
switch (str[str_len-1]) {
case 'g':
case 'G':
retval *= 1024;
/* break intentionally missing */
case 'm':
case 'M':
retval *= 1024;
/* break intentionally missing */
case 'k':
case 'K':
retval *= 1024;
break;
}
}
return retval;
}
/* }}} */
ZEND_API double zend_string_to_double(const char *number, zend_uint length) /* {{{ */
{
double divisor = 10.0;
double result = 0.0;
double exponent;
const char *end = number+length;
const char *digit = number;
if (!length) {
return result;
}
while (digit < end) {
if ((*digit <= '9' && *digit >= '0')) {
result *= 10;
result += *digit - '0';
} else if (*digit == '.') {
digit++;
break;
} else if (toupper(*digit) == 'E') {
exponent = (double) atoi(digit+1);
result *= pow(10.0, exponent);
return result;
} else {
return result;
}
digit++;
}
while (digit < end) {
if ((*digit <= '9' && *digit >= '0')) {
result += (*digit - '0') / divisor;
divisor *= 10;
} else if (toupper(*digit) == 'E') {
exponent = (double) atoi(digit+1);
result *= pow(10.0, exponent);
return result;
} else {
return result;
}
digit++;
}
return result;
}
/* }}} */
ZEND_API int convert_scalar_to_number(zval *op TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(op)) {
case IS_STRING:
{
char *strval;
strval = Z_STRVAL_P(op);
switch ((Z_TYPE_P(op)=is_numeric_string(strval, Z_STRLEN_P(op), &Z_LVAL_P(op), &Z_DVAL_P(op), 1))) {
case IS_DOUBLE:
case IS_LONG:
break;
default:
Z_LVAL_P(op) = strtol(Z_STRVAL_P(op), NULL, 10);
Z_TYPE_P(op) = IS_LONG;
break;
}
STR_FREE(strval);
break;
}
case IS_UNICODE:
{
UChar *strval;
strval = Z_USTRVAL_P(op);
switch ((Z_TYPE_P(op)=is_numeric_unicode(strval, Z_USTRLEN_P(op), &Z_LVAL_P(op), &Z_DVAL_P(op), 1))) {
case IS_DOUBLE:
case IS_LONG:
break;
default:
Z_LVAL_P(op) = zend_u_strtol(Z_USTRVAL_P(op), NULL, 10);
Z_TYPE_P(op) = IS_LONG;
break;
}
USTR_FREE(strval);
break;
}
break;
case IS_BOOL:
Z_TYPE_P(op) = IS_LONG;
break;
case IS_RESOURCE:
zend_list_delete(Z_LVAL_P(op));
Z_TYPE_P(op) = IS_LONG;
break;
case IS_OBJECT:
convert_to_long_base(op, 10);
break;
case IS_NULL:
Z_TYPE_P(op) = IS_LONG;
Z_LVAL_P(op) = 0;
break;
}
return SUCCESS;
}
/* }}} */
/* {{{ zendi_convert_scalar_to_number */
#define zendi_convert_scalar_to_number(op, holder, result) \
if (op==result) { \
if (Z_TYPE_P(op) != IS_LONG) { \
convert_scalar_to_number(op TSRMLS_CC); \
} \
} else { \
switch (Z_TYPE_P(op)) { \
case IS_STRING: \
{ \
switch ((Z_TYPE(holder)=is_numeric_string(Z_STRVAL_P(op), Z_STRLEN_P(op), &Z_LVAL(holder), &Z_DVAL(holder), 1))) { \
case IS_DOUBLE: \
case IS_LONG: \
break; \
default: \
Z_LVAL(holder) = strtol(Z_STRVAL_P(op), NULL, 10); \
Z_TYPE(holder) = IS_LONG; \
break; \
} \
(op) = &(holder); \
break; \
} \
case IS_UNICODE: \
{ \
switch ((Z_TYPE(holder)=is_numeric_unicode(Z_USTRVAL_P(op), Z_USTRLEN_P(op), &Z_LVAL(holder), &Z_DVAL(holder), 1))) { \
case IS_DOUBLE: \
case IS_LONG: \
break; \
default: \
Z_LVAL(holder) = zend_u_strtol(Z_USTRVAL_P(op), NULL, 10); \
Z_TYPE(holder) = IS_LONG; \
break; \
} \
(op) = &(holder); \
break; \
} \
case IS_BOOL: \
case IS_RESOURCE: \
Z_LVAL(holder) = Z_LVAL_P(op); \
Z_TYPE(holder) = IS_LONG; \
(op) = &(holder); \
break; \
case IS_NULL: \
Z_LVAL(holder) = 0; \
Z_TYPE(holder) = IS_LONG; \
(op) = &(holder); \
break; \
case IS_OBJECT: \
(holder) = (*(op)); \
zval_copy_ctor(&(holder)); \
convert_to_long_base(&(holder), 10); \
if (Z_TYPE(holder) == IS_LONG) { \
(op) = &(holder); \
} \
break; \
} \
}
/* }}} */
/* {{{ DVAL_TO_LVAL */
#define MAX_UNSIGNED_INT ((double) LONG_MAX * 2) + 1
#ifdef _WIN64
# define DVAL_TO_LVAL(d, l) \
if ((d) > LONG_MAX) { \
(l) = (long)(unsigned long)(__int64) (d); \
} else { \
(l) = (long) (d); \
}
#elif !defined(_WIN64) && __WORDSIZE == 64
# define DVAL_TO_LVAL(d, l) \
if ((d) >= LONG_MAX) { \
(l) = LONG_MAX; \
} else if ((d) <= LONG_MIN) { \
(l) = LONG_MIN; \
} else {\
(l) = (long) (d); \
}
#else
# define DVAL_TO_LVAL(d, l) \
if ((d) > LONG_MAX) { \
if ((d) > MAX_UNSIGNED_INT) { \
(l) = LONG_MAX; \
} else { \
(l) = (unsigned long) (d); \
} \
} else { \
if((d) < LONG_MIN) { \
(l) = LONG_MIN; \
} else { \
(l) = (long) (d); \
} \
}
#endif
/* }}} */
/* {{{ zendi_convert_to_long */
#define zendi_convert_to_long(op, holder, result) \
if (op == result) { \
convert_to_long(op); \
} else if (Z_TYPE_P(op) != IS_LONG) { \
switch (Z_TYPE_P(op)) { \
case IS_NULL: \
Z_LVAL(holder) = 0; \
break; \
case IS_DOUBLE: \
DVAL_TO_LVAL(Z_DVAL_P(op), Z_LVAL(holder)); \
break; \
case IS_STRING: \
Z_LVAL(holder) = strtol(Z_STRVAL_P(op), NULL, 10); \
break; \
case IS_UNICODE: \
Z_LVAL(holder) = zend_u_strtol(Z_USTRVAL_P(op), NULL, 10); \
break; \
case IS_ARRAY: \
Z_LVAL(holder) = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0); \
break; \
case IS_OBJECT: \
(holder) = (*(op)); \
zval_copy_ctor(&(holder)); \
convert_to_long_base(&(holder), 10); \
break; \
case IS_BOOL: \
case IS_RESOURCE: \
Z_LVAL(holder) = Z_LVAL_P(op); \
break; \
default: \
zend_error(E_WARNING, "Cannot convert to ordinal value"); \
Z_LVAL(holder) = 0; \
break; \
} \
Z_TYPE(holder) = IS_LONG; \
(op) = &(holder); \
}
/* }}} */
/* {{{ zendi_convert_to_boolean */
#define zendi_convert_to_boolean(op, holder, result) \
if (op==result) { \
convert_to_boolean(op); \
} else if (Z_TYPE_P(op) != IS_BOOL) { \
switch (Z_TYPE_P(op)) { \
case IS_NULL: \
Z_LVAL(holder) = 0; \
break; \
case IS_RESOURCE: \
case IS_LONG: \
Z_LVAL(holder) = (Z_LVAL_P(op) ? 1 : 0); \
break; \
case IS_DOUBLE: \
Z_LVAL(holder) = (Z_DVAL_P(op) ? 1 : 0); \
break; \
case IS_STRING: \
if (Z_STRLEN_P(op) == 0 \
|| (Z_STRLEN_P(op)==1 && Z_STRVAL_P(op)[0]=='0')) { \
Z_LVAL(holder) = 0; \
} else { \
Z_LVAL(holder) = 1; \
} \
break; \
case IS_UNICODE: \
if (Z_USTRLEN_P(op) == 0 \
|| (Z_USTRLEN_P(op)==1 && \
(Z_USTRVAL_P(op)[0]=='0'))) { \
Z_LVAL(holder) = 0; \
} else { \
Z_LVAL(holder) = 1; \
} \
break; \
case IS_ARRAY: \
Z_LVAL(holder) = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0); \
break; \
case IS_OBJECT: \
(holder) = (*(op)); \
zval_copy_ctor(&(holder)); \
convert_to_boolean(&(holder)); \
break; \
default: \
Z_LVAL(holder) = 0; \
break; \
} \
Z_TYPE(holder) = IS_BOOL; \
(op) = &(holder); \
}
/* }}} */
/* {{{ convert_object_to_type */
#define convert_object_to_type(op, ctype, conv_func) \
if (Z_OBJ_HT_P(op)->cast_object) { \
zval dst; \
if (Z_OBJ_HT_P(op)->cast_object(op, &dst, ctype, NULL TSRMLS_CC) == FAILURE) { \
zend_error(E_RECOVERABLE_ERROR, \
"Object of class %v could not be converted to %s", Z_OBJCE_P(op)->name, \
zend_get_type_by_const(ctype)); \
} else { \
zval_dtor(op); \
Z_TYPE_P(op) = ctype; \
op->value = dst.value; \
} \
} else { \
if(Z_OBJ_HT_P(op)->get) { \
zval *newop = Z_OBJ_HT_P(op)->get(op TSRMLS_CC); \
if(Z_TYPE_P(newop) != IS_OBJECT) { \
/* for safety - avoid loop */ \
zval_dtor(op); \
*op = *newop; \
FREE_ZVAL(newop); \
conv_func(op); \
} \
} \
}
/* }}} */
ZEND_API int convert_to_long(zval *op) /* {{{ */
{
return convert_to_long_base(op, 10);
}
/* }}} */
ZEND_API int convert_to_long_base(zval *op, int base) /* {{{ */
{
long tmp;
switch (Z_TYPE_P(op)) {
case IS_NULL:
Z_LVAL_P(op) = 0;
break;
case IS_RESOURCE: {
TSRMLS_FETCH();
zend_list_delete(Z_LVAL_P(op));
}
/* break missing intentionally */
case IS_BOOL:
case IS_LONG:
break;
case IS_DOUBLE:
DVAL_TO_LVAL(Z_DVAL_P(op), Z_LVAL_P(op));
break;
case IS_STRING:
{
char *strval = Z_STRVAL_P(op);
Z_LVAL_P(op) = strtol(strval, NULL, base);
STR_FREE(strval);
}
break;
case IS_UNICODE:
{
UChar *strval = Z_USTRVAL_P(op);
Z_LVAL_P(op) = zend_u_strtol(strval, NULL, base);
USTR_FREE(strval);
}
break;
case IS_ARRAY:
tmp = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0);
zval_dtor(op);
Z_LVAL_P(op) = tmp;
break;
case IS_OBJECT:
{
int retval = 1;
TSRMLS_FETCH();
convert_object_to_type(op, IS_LONG, convert_to_long);
if (Z_TYPE_P(op) == IS_LONG) {
return SUCCESS;
}
zend_error(E_NOTICE, "Object of class %v could not be converted to int", Z_OBJCE_P(op)->name);
zval_dtor(op);
ZVAL_LONG(op, retval);
return FAILURE;
}
default:
zend_error(E_WARNING, "Cannot convert to ordinal value");
zval_dtor(op);
Z_LVAL_P(op) = 0;
return FAILURE;
}
Z_TYPE_P(op) = IS_LONG;
return SUCCESS;
}
/* }}} */
ZEND_API int convert_to_double(zval *op) /* {{{ */
{
double tmp;
switch (Z_TYPE_P(op)) {
case IS_NULL:
Z_DVAL_P(op) = 0.0;
break;
case IS_RESOURCE: {
TSRMLS_FETCH();
zend_list_delete(Z_LVAL_P(op));
}
/* break missing intentionally */
case IS_BOOL:
case IS_LONG:
Z_DVAL_P(op) = (double) Z_LVAL_P(op);
break;
case IS_DOUBLE:
break;
case IS_STRING:
{
char *strval = Z_STRVAL_P(op);
Z_DVAL_P(op) = zend_strtod(strval, NULL);
STR_FREE(strval);
}
break;
case IS_UNICODE:
{
UChar *strval = Z_USTRVAL_P(op);
Z_DVAL_P(op) = zend_u_strtod(strval, NULL);
USTR_FREE(strval);
}
break;
case IS_ARRAY:
tmp = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0);
zval_dtor(op);
Z_DVAL_P(op) = tmp;
break;
case IS_OBJECT:
{
double retval = 1.0;
TSRMLS_FETCH();
convert_object_to_type(op, IS_DOUBLE, convert_to_double);
if (Z_TYPE_P(op) == IS_DOUBLE) {
return SUCCESS;
}
zend_error(E_NOTICE, "Object of class %v could not be converted to double", Z_OBJCE_P(op)->name);
zval_dtor(op);
ZVAL_DOUBLE(op, retval);
return FAILURE;
}
default:
zend_error(E_WARNING, "Cannot convert to real value (type=%d)", Z_TYPE_P(op));
zval_dtor(op);
Z_DVAL_P(op) = 0;
return FAILURE;
}
Z_TYPE_P(op) = IS_DOUBLE;
return SUCCESS;
}
/* }}} */
ZEND_API int convert_to_null(zval *op) /* {{{ */
{
if (Z_TYPE_P(op) == IS_OBJECT) {
if (Z_OBJ_HT_P(op)->cast_object) {
zval *org;
TSRMLS_FETCH();
ALLOC_ZVAL(org);
*org = *op;
if (Z_OBJ_HT_P(op)->cast_object(org, op, IS_NULL, NULL TSRMLS_CC) == SUCCESS) {
zval_dtor(org);
return SUCCESS;
}
*op = *org;
FREE_ZVAL(org);
}
}
zval_dtor(op);
Z_TYPE_P(op) = IS_NULL;
return SUCCESS;
}
/* }}} */
ZEND_API int convert_to_boolean(zval *op) /* {{{ */
{
int tmp;
switch (Z_TYPE_P(op)) {
case IS_BOOL:
break;
case IS_NULL:
Z_LVAL_P(op) = 0;
break;
case IS_RESOURCE: {
TSRMLS_FETCH();
zend_list_delete(Z_LVAL_P(op));
}
/* break missing intentionally */
case IS_LONG:
Z_LVAL_P(op) = (Z_LVAL_P(op) ? 1 : 0);
break;
case IS_DOUBLE:
Z_LVAL_P(op) = (Z_DVAL_P(op) ? 1 : 0);
break;
case IS_STRING:
{
char *strval = Z_STRVAL_P(op);
if (Z_STRLEN_P(op) == 0
|| (Z_STRLEN_P(op)==1 && Z_STRVAL_P(op)[0]=='0')) {
Z_LVAL_P(op) = 0;
} else {
Z_LVAL_P(op) = 1;
}
STR_FREE(strval);
}
break;
case IS_UNICODE:
{
UChar *strval = Z_USTRVAL_P(op);
if (Z_USTRLEN_P(op) == 0
|| (Z_USTRLEN_P(op)==1 && Z_USTRVAL_P(op)[0]=='0')) {
Z_LVAL_P(op) = 0;
} else {
Z_LVAL_P(op) = 1;
}
USTR_FREE(strval);
}
break;
case IS_ARRAY:
tmp = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0);
zval_dtor(op);
Z_LVAL_P(op) = tmp;
break;
case IS_OBJECT:
{
zend_bool retval = 1;
TSRMLS_FETCH();
convert_object_to_type(op, IS_BOOL, convert_to_boolean);
if (Z_TYPE_P(op) == IS_BOOL) {
return SUCCESS;
}
zval_dtor(op);
ZVAL_BOOL(op, retval);
return FAILURE;
}
default:
zval_dtor(op);
Z_LVAL_P(op) = 0;
break;
}
Z_TYPE_P(op) = IS_BOOL;
return SUCCESS;
}
/* }}} */
#define NUM_BUF_SIZE 512
/* rewrite of ap_php_conv_10 for UChar support */
static UChar* zend_u_format_long(long lnum, UChar *result_end, int *result_len) /* {{{ */
{
UChar *p = result_end;
unsigned long magnitude;
*--p = 0;
if (lnum < 0) {
long t = lnum + 1;
magnitude = ((unsigned long) - t) + 1;
} else {
magnitude = (unsigned long) lnum;
}
do {
unsigned long new_magnitude = magnitude / 10;
*--p = (UChar)(magnitude - new_magnitude * 10 + 0x30 /*'0'*/);
magnitude = new_magnitude;
}
while (magnitude);
if (lnum < 0) {
*--p = (UChar) 0x2d /*'-'*/;
}
*result_len = result_end - p - 1;
return p;
}
/* }}} */
#define NDIG 320
/* rewrite of ap_php_cvt for UChar support */
static UChar* zend_u_format_double(double arg, int ndigits, int *decpt, int *sign, int eflag, UChar *buf) /* {{{ */
{
register int r2;
int mvl;
double fi, fj;
register UChar *p, *p1;
if (ndigits >= NDIG - 1)
ndigits = NDIG - 2;
r2 = 0;
*sign = 0;
p = &buf[0];
if (arg < 0) {
*sign = 1;
arg = -arg;
}
arg = modf(arg, &fi);
p1 = &buf[NDIG];
/*
* Do integer part
*/
if (fi != 0) {
while (fi != 0) {
fj = modf(fi / 10, &fi);
if (p1 <= &buf[0]) {
mvl = NDIG - ndigits;
if (ndigits > 0) {
memmove(&buf[mvl], &buf[0], (NDIG-mvl-1) * sizeof(UChar));
}
p1 += mvl;
}
*--p1 = (UChar) ((fj + .03) * 10) + 0x30 /*'0'*/;
r2++;
}
while (p1 < &buf[NDIG]) {
*p++ = *p1++;
}
} else if (arg > 0) {
while ((fj = arg * 10) < 1) {
if (!eflag && (r2 * -1) < ndigits) {
break;
}
arg = fj;
r2--;
}
}
p1 = &buf[ndigits];
if (eflag == 0)
p1 += r2;
*decpt = r2;
if (p1 < &buf[0]) {
buf[0] = 0;
return (buf);
}
if (p <= p1 && p < &buf[NDIG]) {
arg = modf(arg * 10, &fj);
if ((int)fj==10) {
*p++ = (UChar) 0x31 /*'1'*/;
fj = 0;
*decpt = ++r2;
}
while (p <= p1 && p < &buf[NDIG]) {
*p++ = (UChar) fj + 0x30 /*'0'*/;
arg = modf(arg * 10, &fj);
}
}
if (p1 >= &buf[NDIG]) {
buf[NDIG - 1] = 0;
return (buf);
}
p = p1;
*p1 += 5;
while (*p1 > (UChar) 0x39 /*'9'*/) {
*p1 = (UChar) 0x30 /*'0'*/;
if (p1 > buf)
++ * --p1;
else {
*p1 = (UChar) 0x31 /*'1'*/;
(*decpt)++;
if (eflag == 0) {
if (p > buf)
*p = (UChar) 0x30 /*'0'*/;
p++;
}
}
}
*p = 0;
return (buf);
}
/* }}} */
/* rewrite of ap_php_gcvt for UChar support */
static UChar* zend_u_format_gdouble(double dnum, int ndigit, UChar *result) /* {{{ */
{
int sign, decpt;
register UChar *p1, *p2;
register int i;
UChar buf1[NDIG];
static zend_bool did_string_init = FALSE;
U_STRING_DECL(u_nan, "NAN", 3);
U_STRING_DECL(u_inf, "INF", 3);
U_STRING_DECL(u_ninf, "-INF", 4);
if (!did_string_init) {
U_STRING_INIT(u_nan, "NAN", 3);
U_STRING_INIT(u_inf, "INF", 3);
U_STRING_INIT(u_ninf, "-INF", 4);
did_string_init = TRUE;
}
/* check for out-of-bounds numbers */
if (zend_isnan(dnum)) {
u_memcpy(result, u_nan, 3);
result[3] = 0;
return result;
} else if (zend_isinf(dnum)) {
if (dnum > 0) {
u_memcpy(result, u_inf, 3);
result[3] = 0;
} else {
u_memcpy(result, u_ninf, 3);
result[4] = 0;
}
return result;
}
if (ndigit >= NDIG - 1) {
ndigit = NDIG - 2;
}
p1 = zend_u_format_double(dnum, ndigit, &decpt, &sign, 1, buf1);
p2 = result;
if (sign) {
*p2++ = (UChar) 0x2d /*'-'*/;
}
/* if decimal point position is less than precision, cut zeros only in fractional part */
if (decpt <= ndigit) {
i = ndigit - 1;
while (i > 0 && i >= decpt && p1[i] == (UChar) 0x30 /*'0'*/) {
ndigit--;
i--;
}
} else {
/* otherwise cut all trailing zeros */
for (i = ndigit - 1; i > 0 && p1[i] == (UChar) 0x30 /*'0'*/; i--) {
ndigit--;
}
}
if ((decpt >= 0 && decpt - ndigit > 4)
|| (decpt < 0 && decpt < -3)) { /* use E-style */
decpt--;
*p2++ = *p1++;
*p2++ = (UChar) 0x2e /*'.'*/;
for (i = 1; i < ndigit; i++)
*p2++ = *p1++;
if (*(p2 - 1) == (UChar) 0x2e /*'.'*/) {
*p2++ = (UChar) 0x30 /*'0'*/;
}
*p2++ = (UChar) 0x45 /*'E'*/;
if (decpt < 0) {
decpt = -decpt;
*p2++ = (UChar) 0x2d /*'-'*/;
} else
*p2++ = (UChar) 0x2b /*'+'*/;
if (decpt / 100 > 0)
*p2++ = (UChar) (decpt / 100 + 0x30 /*'0'*/);
if (decpt / 10 > 0)
*p2++ = (UChar) ((decpt % 100) / 10 + 0x30 /*'0'*/);
*p2++ = (UChar) (decpt % 10 + 0x30 /*'0'*/);
} else {
if (decpt <= 0) {
if (*p1 != (UChar) 0x30 /*'0'*/) {
*p2++ = (UChar) 0x30 /*'0'*/;
*p2++ = (UChar) 0x2e /*'.'*/;
}
while (decpt < 0) {
decpt++;
*p2++ = (UChar) 0x30 /*'0'*/;
}
}
for (i = 1; i <= ndigit; i++) {
*p2++ = *p1++;
if (i == decpt)
*p2++ = (UChar) 0x2e /*'.'*/;
}
if (ndigit < decpt) {
while (ndigit++ < decpt)
*p2++ = (UChar) 0x30 /*'0'*/;
*p2++ = (UChar) 0x2e /*'.'*/;
}
}
if (p2[-1] == (UChar) 0x2e /*'.'*/)
p2--;
*p2 = 0;
return (result);
}
/* }}} */
ZEND_API int _convert_to_unicode(zval *op TSRMLS_DC ZEND_FILE_LINE_DC) /* {{{ */
{
return _convert_to_unicode_with_converter(op, ZEND_U_CONVERTER(UG(runtime_encoding_conv)) TSRMLS_CC ZEND_FILE_LINE_CC);
}
/* }}} */
ZEND_API int _convert_to_unicode_with_converter(zval *op, UConverter *conv TSRMLS_DC ZEND_FILE_LINE_DC) /* {{{ */
{
switch (Z_TYPE_P(op)) {
case IS_NULL:
Z_USTRVAL_P(op) = USTR_MAKE_REL("");
Z_USTRLEN_P(op) = 0;
break;
case IS_UNICODE:
break;
case IS_STRING:
return zval_string_to_unicode_ex(op, conv TSRMLS_CC);
case IS_BOOL:
if (Z_LVAL_P(op)) {
Z_USTRVAL_P(op) = USTR_MAKE_REL("1");
Z_USTRLEN_P(op) = 1;
} else {
Z_USTRVAL_P(op) = USTR_MAKE_REL("");
Z_USTRLEN_P(op) = 0;
}
break;
case IS_RESOURCE: {
UChar num_buf[NUM_BUF_SIZE], *result;
int result_len, rstr_len;
long rval = Z_LVAL_P(op);
zend_list_delete(Z_LVAL_P(op));
result = zend_u_format_long(rval, &num_buf[NUM_BUF_SIZE], &result_len);
rstr_len = sizeof("Resource id #")-1;
Z_USTRLEN_P(op) = rstr_len + result_len;
Z_USTRVAL_P(op) = eumalloc_rel(Z_USTRLEN_P(op) + 1);
u_charsToUChars("Resource id #", Z_USTRVAL_P(op), rstr_len);
/* result_len+1 takes care of terminating NULL */
u_memcpy(Z_USTRVAL_P(op) + rstr_len, result, result_len+1);
break;
}
case IS_LONG: {
UChar num_buf[NUM_BUF_SIZE], *result;
int result_len;
long lval = Z_LVAL_P(op);
result = zend_u_format_long(lval, &num_buf[NUM_BUF_SIZE], &result_len);
Z_USTRVAL_P(op) = eustrndup(result, result_len);
Z_USTRLEN_P(op) = result_len;
break;
}
case IS_DOUBLE: {
UChar num_buf[NUM_BUF_SIZE], *result;
double dval = Z_DVAL_P(op);
result = zend_u_format_gdouble(dval, (int) EG(precision), &num_buf[1]);
if (*result == (UChar) 0x2b /*'+'*/) {
result++;
}
Z_USTRLEN_P(op) = u_strlen(result);
Z_USTRVAL_P(op) = eustrndup(result, Z_USTRLEN_P(op));
break;
}
case IS_ARRAY:
zend_error(E_NOTICE, "Array to string conversion");
zval_dtor(op);
Z_USTRVAL_P(op) = USTR_MAKE_REL("Array");
Z_USTRLEN_P(op) = sizeof("Array")-1;
Z_TYPE_P(op) = IS_UNICODE;
return FAILURE;
case IS_OBJECT: {
int retval = FAILURE;
if (Z_OBJ_HT_P(op)->cast_object) {
zval dst;
if (Z_OBJ_HT_P(op)->cast_object(op, &dst, IS_UNICODE, conv TSRMLS_CC) == FAILURE) {
zend_error(E_RECOVERABLE_ERROR,
"Object of class %v could not be converted to %s", Z_OBJCE_P(op)->name,
zend_get_type_by_const(IS_UNICODE));
} else {
zval_dtor(op);
Z_TYPE_P(op) = IS_UNICODE;
op->value = dst.value;
retval = SUCCESS;
}
} else {
if(Z_OBJ_HT_P(op)->get) {
zval *newop = Z_OBJ_HT_P(op)->get(op TSRMLS_CC);