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com_variant.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_com_dotnet.h"
#include "php_com_dotnet_internal.h"
/* create an automation SafeArray from a PHP array.
* Only creates a single-dimensional array of variants.
* The keys of the PHP hash MUST be numeric. If the array
* is sparse, then the gaps will be filled with NULL variants */
static void safe_array_from_zval(VARIANT *v, zval *z, int codepage)
{
SAFEARRAY *sa = NULL;
SAFEARRAYBOUND bound;
HashPosition pos;
int keytype;
zend_string *strindex;
zend_ulong intindex = 0;
VARIANT *va;
zval *item;
/* find the largest array index, and assert that all keys are integers */
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(z), &pos);
for (;; zend_hash_move_forward_ex(Z_ARRVAL_P(z), &pos)) {
keytype = zend_hash_get_current_key_ex(Z_ARRVAL_P(z), &strindex, &intindex, &pos);
if (HASH_KEY_IS_STRING == keytype) {
goto bogus;
} else if (HASH_KEY_NON_EXISTENT == keytype) {
break;
} else if (intindex > UINT_MAX) {
php_error_docref(NULL, E_WARNING, "COM: max number %u of elements in safe array exceeded", UINT_MAX);
break;
}
}
/* allocate the structure */
bound.lLbound = 0;
bound.cElements = zend_hash_num_elements(Z_ARRVAL_P(z));
sa = SafeArrayCreate(VT_VARIANT, 1, &bound);
/* get a lock on the array itself */
SafeArrayAccessData(sa, &va);
va = (VARIANT*)sa->pvData;
/* now fill it in */
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(z), &pos);
for (;; zend_hash_move_forward_ex(Z_ARRVAL_P(z), &pos)) {
if (NULL == (item = zend_hash_get_current_data_ex(Z_ARRVAL_P(z), &pos))) {
break;
}
zend_hash_get_current_key_ex(Z_ARRVAL_P(z), &strindex, &intindex, &pos);
php_com_variant_from_zval(&va[intindex], item, codepage);
}
/* Unlock it and stuff it into our variant */
SafeArrayUnaccessData(sa);
V_VT(v) = VT_ARRAY|VT_VARIANT;
V_ARRAY(v) = sa;
return;
bogus:
php_error_docref(NULL, E_WARNING, "COM: converting from PHP array to VARIANT array; only arrays with numeric keys are allowed");
V_VT(v) = VT_NULL;
if (sa) {
SafeArrayUnlock(sa);
SafeArrayDestroy(sa);
}
}
PHP_COM_DOTNET_API void php_com_variant_from_zval(VARIANT *v, zval *z, int codepage)
{
OLECHAR *olestring;
php_com_dotnet_object *obj;
zend_uchar ztype = IS_NULL;
if (z) {
ZVAL_DEREF(z);
ztype = Z_TYPE_P(z);
}
switch (ztype) {
case IS_NULL:
V_VT(v) = VT_NULL;
break;
case IS_FALSE:
V_VT(v) = VT_BOOL;
V_BOOL(v) = VARIANT_FALSE;
break;
case IS_TRUE:
V_VT(v) = VT_BOOL;
V_BOOL(v) = VARIANT_TRUE;
break;
case IS_OBJECT:
if (php_com_is_valid_object(z)) {
obj = CDNO_FETCH(z);
if (V_VT(&obj->v) == VT_DISPATCH) {
/* pass the underlying object */
V_VT(v) = VT_DISPATCH;
if (V_DISPATCH(&obj->v)) {
IDispatch_AddRef(V_DISPATCH(&obj->v));
}
V_DISPATCH(v) = V_DISPATCH(&obj->v);
} else {
/* pass the variant by reference */
V_VT(v) = VT_VARIANT | VT_BYREF;
V_VARIANTREF(v) = &obj->v;
}
} else {
/* export the PHP object using our COM wrapper */
V_VT(v) = VT_DISPATCH;
V_DISPATCH(v) = php_com_wrapper_export(z);
}
break;
case IS_ARRAY:
/* map as safe array */
safe_array_from_zval(v, z, codepage);
break;
case IS_LONG:
#if SIZEOF_ZEND_LONG == 4
V_VT(v) = VT_I4;
V_I4(v) = Z_LVAL_P(z);
#else
V_VT(v) = VT_I8;
V_I8(v) = Z_LVAL_P(z);
#endif
break;
case IS_DOUBLE:
V_VT(v) = VT_R8;
V_R8(v) = Z_DVAL_P(z);
break;
case IS_STRING:
V_VT(v) = VT_BSTR;
olestring = php_com_string_to_olestring(Z_STRVAL_P(z), Z_STRLEN_P(z), codepage);
if (CP_UTF8 == codepage) {
V_BSTR(v) = SysAllocStringByteLen((char*)olestring, (UINT)(wcslen(olestring) * sizeof(OLECHAR)));
} else {
V_BSTR(v) = SysAllocStringByteLen((char*)olestring, (UINT)(Z_STRLEN_P(z) * sizeof(OLECHAR)));
}
efree(olestring);
break;
case IS_RESOURCE:
case IS_CONSTANT:
case IS_CONSTANT_AST:
default:
V_VT(v) = VT_NULL;
break;
}
}
PHP_COM_DOTNET_API int php_com_zval_from_variant(zval *z, VARIANT *v, int codepage)
{
OLECHAR *olestring = NULL;
int ret = SUCCESS;
switch (V_VT(v)) {
case VT_EMPTY:
case VT_NULL:
case VT_VOID:
ZVAL_NULL(z);
break;
case VT_UI1:
ZVAL_LONG(z, (zend_long)V_UI1(v));
break;
case VT_I1:
ZVAL_LONG(z, (zend_long)V_I1(v));
break;
case VT_UI2:
ZVAL_LONG(z, (zend_long)V_UI2(v));
break;
case VT_I2:
ZVAL_LONG(z, (zend_long)V_I2(v));
break;
case VT_UI4: /* TODO: promote to double if large? */
ZVAL_LONG(z, (long)V_UI4(v));
break;
case VT_I4:
ZVAL_LONG(z, (long)V_I4(v));
break;
#if SIZEOF_ZEND_LONG == 8
case VT_UI8:
ZVAL_LONG(z, (zend_long)V_UI8(v));
break;
case VT_I8:
ZVAL_LONG(z, (zend_long)V_I8(v));
break;
#endif
case VT_INT:
ZVAL_LONG(z, V_INT(v));
break;
case VT_UINT: /* TODO: promote to double if large? */
ZVAL_LONG(z, (zend_long)V_UINT(v));
break;
case VT_R4:
ZVAL_DOUBLE(z, (double)V_R4(v));
break;
case VT_R8:
ZVAL_DOUBLE(z, V_R8(v));
break;
case VT_BOOL:
ZVAL_BOOL(z, V_BOOL(v) ? 1 : 0);
break;
case VT_BSTR:
olestring = V_BSTR(v);
if (olestring) {
size_t len;
char *str = php_com_olestring_to_string(olestring,
&len, codepage);
ZVAL_STRINGL(z, str, len);
// TODO: avoid reallocation???
efree(str);
olestring = NULL;
}
break;
case VT_UNKNOWN:
if (V_UNKNOWN(v) != NULL) {
IDispatch *disp;
if (SUCCEEDED(IUnknown_QueryInterface(V_UNKNOWN(v), &IID_IDispatch, &disp))) {
php_com_wrap_dispatch(z, disp, codepage);
IDispatch_Release(disp);
} else {
ret = FAILURE;
}
}
break;
case VT_DISPATCH:
if (V_DISPATCH(v) != NULL) {
php_com_wrap_dispatch(z, V_DISPATCH(v), codepage);
}
break;
case VT_VARIANT:
/* points to another variant */
return php_com_zval_from_variant(z, V_VARIANTREF(v), codepage);
default:
php_com_wrap_variant(z, v, codepage);
}
if (olestring) {
efree(olestring);
}
if (ret == FAILURE) {
php_error_docref(NULL, E_WARNING, "variant->zval: conversion from 0x%x ret=%d", V_VT(v), ret);
}
return ret;
}
PHP_COM_DOTNET_API int php_com_copy_variant(VARIANT *dstvar, VARIANT *srcvar)
{
int ret = SUCCESS;
switch (V_VT(dstvar) & ~VT_BYREF) {
case VT_EMPTY:
case VT_NULL:
case VT_VOID:
/* should not be possible */
break;
case VT_UI1:
if (V_VT(dstvar) & VT_BYREF) {
*V_UI1REF(dstvar) = V_UI1(srcvar);
} else {
V_UI1(dstvar) = V_UI1(srcvar);
}
break;
case VT_I1:
if (V_VT(dstvar) & VT_BYREF) {
*V_I1REF(dstvar) = V_I1(srcvar);
} else {
V_I1(dstvar) = V_I1(srcvar);
}
break;
case VT_UI2:
if (V_VT(dstvar) & VT_BYREF) {
*V_UI2REF(dstvar) = V_UI2(srcvar);
} else {
V_UI2(dstvar) = V_UI2(srcvar);
}
break;
case VT_I2:
if (V_VT(dstvar) & VT_BYREF) {
*V_I2REF(dstvar) = V_I2(srcvar);
} else {
V_I2(dstvar) = V_I2(srcvar);
}
break;
case VT_UI4:
if (V_VT(dstvar) & VT_BYREF) {
*V_UI4REF(dstvar) = V_UI4(srcvar);
} else {
V_UI4(dstvar) = V_UI4(srcvar);
}
break;
case VT_I4:
if (V_VT(dstvar) & VT_BYREF) {
*V_I4REF(dstvar) = V_I4(srcvar);
} else {
V_I4(dstvar) = V_I4(srcvar);
}
break;
#if SIZEOF_ZEND_LONG == 8
case VT_UI8:
if (V_VT(dstvar) & VT_BYREF) {
*V_UI8REF(dstvar) = V_UI8(srcvar);
} else {
V_UI8(dstvar) = V_UI8(srcvar);
}
break;
case VT_I8:
if (V_VT(dstvar) & VT_BYREF) {
*V_I8REF(dstvar) = V_I8(srcvar);
} else {
V_I8(dstvar) = V_I8(srcvar);
}
break;
#endif
case VT_INT:
if (V_VT(dstvar) & VT_BYREF) {
*V_INTREF(dstvar) = V_INT(srcvar);
} else {
V_INT(dstvar) = V_INT(srcvar);
}
break;
case VT_UINT:
if (V_VT(dstvar) & VT_BYREF) {
*V_UINTREF(dstvar) = V_UINT(srcvar);
} else {
V_UINT(dstvar) = V_UINT(srcvar);
}
break;
case VT_R4:
if (V_VT(dstvar) & VT_BYREF) {
*V_R4REF(dstvar) = V_R4(srcvar);
} else {
V_R4(dstvar) = V_R4(srcvar);
}
break;
case VT_R8:
if (V_VT(dstvar) & VT_BYREF) {
*V_R8REF(dstvar) = V_R8(srcvar);
} else {
V_R8(dstvar) = V_R8(srcvar);
}
break;
case VT_BOOL:
if (V_VT(dstvar) & VT_BYREF) {
*V_BOOLREF(dstvar) = V_BOOL(srcvar);
} else {
V_BOOL(dstvar) = V_BOOL(srcvar);
}
break;
case VT_BSTR:
if (V_VT(dstvar) & VT_BYREF) {
*V_BSTRREF(dstvar) = V_BSTR(srcvar);
} else {
V_BSTR(dstvar) = V_BSTR(srcvar);
}
break;
case VT_UNKNOWN:
if (V_VT(dstvar) & VT_BYREF) {
*V_UNKNOWNREF(dstvar) = V_UNKNOWN(srcvar);
} else {
V_UNKNOWN(dstvar) = V_UNKNOWN(srcvar);
}
break;
case VT_DISPATCH:
if (V_VT(dstvar) & VT_BYREF) {
*V_DISPATCHREF(dstvar) = V_DISPATCH(srcvar);
} else {
V_DISPATCH(dstvar) = V_DISPATCH(srcvar);
}
break;
case VT_VARIANT:
return php_com_copy_variant(V_VARIANTREF(dstvar), srcvar);
default:
php_error_docref(NULL, E_WARNING, "variant->variant: failed to copy from 0x%x to 0x%x", V_VT(dstvar), V_VT(srcvar));
ret = FAILURE;
}
return ret;
}
/* {{{ com_variant_create_instance - ctor for new VARIANT() */
PHP_FUNCTION(com_variant_create_instance)
{
/* VARTYPE == unsigned short */ zend_long vt = VT_EMPTY;
zend_long codepage = CP_ACP;
zval *object = getThis();
php_com_dotnet_object *obj;
zval *zvalue = NULL;
HRESULT res;
if (ZEND_NUM_ARGS() == 0) {
/* just leave things as-is - an empty variant */
return;
}
obj = CDNO_FETCH(object);
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!|ll", &zvalue, &vt, &codepage)) {
php_com_throw_exception(E_INVALIDARG, "Invalid arguments");
return;
}
php_com_initialize();
if (ZEND_NUM_ARGS() == 3) {
obj->code_page = (int)codepage;
}
if (zvalue) {
php_com_variant_from_zval(&obj->v, zvalue, obj->code_page);
}
/* Only perform conversion if variant not already of type passed */
if ((ZEND_NUM_ARGS() >= 2) && (vt != V_VT(&obj->v))) {
/* If already an array and VT_ARRAY is passed then:
- if only VT_ARRAY passed then do not perform a conversion
- if VT_ARRAY plus other type passed then perform conversion
but will probably fail (original behavior)
*/
if ((vt & VT_ARRAY) && (V_VT(&obj->v) & VT_ARRAY)) {
zend_long orig_vt = vt;
vt &= ~VT_ARRAY;
if (vt) {
vt = orig_vt;
}
}
if (vt) {
res = VariantChangeType(&obj->v, &obj->v, 0, (VARTYPE)vt);
if (FAILED(res)) {
char *werr, *msg;
werr = php_win32_error_to_msg(res);
spprintf(&msg, 0, "Variant type conversion failed: %s", werr);
LocalFree(werr);
php_com_throw_exception(res, msg);
efree(msg);
}
}
}
if (V_VT(&obj->v) != VT_DISPATCH && obj->typeinfo) {
ITypeInfo_Release(obj->typeinfo);
obj->typeinfo = NULL;
}
}
/* }}} */
/* {{{ proto void variant_set(object variant, mixed value)
Assigns a new value for a variant object */
PHP_FUNCTION(variant_set)
{
zval *zobj, *zvalue = NULL;
php_com_dotnet_object *obj;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(),
"Oz!", &zobj, php_com_variant_class_entry, &zvalue)) {
return;
}
obj = CDNO_FETCH(zobj);
/* dtor the old value */
if (obj->typeinfo) {
ITypeInfo_Release(obj->typeinfo);
obj->typeinfo = NULL;
}
if (obj->sink_dispatch) {
php_com_object_enable_event_sink(obj, FALSE);
IDispatch_Release(obj->sink_dispatch);
obj->sink_dispatch = NULL;
}
VariantClear(&obj->v);
php_com_variant_from_zval(&obj->v, zvalue, obj->code_page);
/* remember we modified this variant */
obj->modified = 1;
}
/* }}} */
enum variant_binary_opcode {
VOP_ADD, VOP_CAT, VOP_SUB, VOP_MUL, VOP_AND, VOP_DIV,
VOP_EQV, VOP_IDIV, VOP_IMP, VOP_MOD, VOP_OR, VOP_POW,
VOP_XOR
};
enum variant_unary_opcode {
VOP_ABS, VOP_FIX, VOP_INT, VOP_NEG, VOP_NOT
};
static void variant_binary_operation(enum variant_binary_opcode op, INTERNAL_FUNCTION_PARAMETERS) /* {{{ */
{
VARIANT vres;
VARIANT left_val, right_val;
VARIANT *vleft = NULL, *vright = NULL;
zval *zleft = NULL, *zright = NULL;
php_com_dotnet_object *obj;
HRESULT result;
int codepage = CP_ACP;
VariantInit(&left_val);
VariantInit(&right_val);
VariantInit(&vres);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "OO", &zleft, php_com_variant_class_entry,
&zright, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
obj = CDNO_FETCH(zright);
vright = &obj->v;
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "Oz!", &zleft, php_com_variant_class_entry,
&zright)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "z!O", &zleft, &zright, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zright);
vright = &obj->v;
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!z!", &zleft, &zright)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else {
return;
}
switch (op) {
case VOP_ADD:
result = VarAdd(vleft, vright, &vres);
break;
case VOP_CAT:
result = VarCat(vleft, vright, &vres);
break;
case VOP_SUB:
result = VarSub(vleft, vright, &vres);
break;
case VOP_MUL:
result = VarMul(vleft, vright, &vres);
break;
case VOP_AND:
result = VarAnd(vleft, vright, &vres);
break;
case VOP_DIV:
result = VarDiv(vleft, vright, &vres);
break;
case VOP_EQV:
result = VarEqv(vleft, vright, &vres);
break;
case VOP_IDIV:
result = VarIdiv(vleft, vright, &vres);
break;
case VOP_IMP:
result = VarImp(vleft, vright, &vres);
break;
case VOP_MOD:
result = VarMod(vleft, vright, &vres);
break;
case VOP_OR:
result = VarOr(vleft, vright, &vres);
break;
case VOP_POW:
result = VarPow(vleft, vright, &vres);
break;
case VOP_XOR:
result = VarXor(vleft, vright, &vres);
break;
/*Let say it fails as no valid op has been given */
default:
result = E_INVALIDARG;
}
if (SUCCEEDED(result)) {
php_com_wrap_variant(return_value, &vres, codepage);
} else {
php_com_throw_exception(result, NULL);
}
VariantClear(&vres);
VariantClear(&left_val);
VariantClear(&right_val);
}
/* }}} */
/* {{{ proto mixed variant_add(mixed left, mixed right)
"Adds" two variant values together and returns the result */
PHP_FUNCTION(variant_add)
{
variant_binary_operation(VOP_ADD, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_cat(mixed left, mixed right)
concatenates two variant values together and returns the result */
PHP_FUNCTION(variant_cat)
{
variant_binary_operation(VOP_CAT, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_sub(mixed left, mixed right)
subtracts the value of the right variant from the left variant value and returns the result */
PHP_FUNCTION(variant_sub)
{
variant_binary_operation(VOP_SUB, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_mul(mixed left, mixed right)
multiplies the values of the two variants and returns the result */
PHP_FUNCTION(variant_mul)
{
variant_binary_operation(VOP_MUL, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_and(mixed left, mixed right)
performs a bitwise AND operation between two variants and returns the result */
PHP_FUNCTION(variant_and)
{
variant_binary_operation(VOP_AND, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_div(mixed left, mixed right)
Returns the result from dividing two variants */
PHP_FUNCTION(variant_div)
{
variant_binary_operation(VOP_DIV, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_eqv(mixed left, mixed right)
Performs a bitwise equivalence on two variants */
PHP_FUNCTION(variant_eqv)
{
variant_binary_operation(VOP_EQV, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_idiv(mixed left, mixed right)
Converts variants to integers and then returns the result from dividing them */
PHP_FUNCTION(variant_idiv)
{
variant_binary_operation(VOP_IDIV, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_imp(mixed left, mixed right)
Performs a bitwise implication on two variants */
PHP_FUNCTION(variant_imp)
{
variant_binary_operation(VOP_IMP, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_mod(mixed left, mixed right)
Divides two variants and returns only the remainder */
PHP_FUNCTION(variant_mod)
{
variant_binary_operation(VOP_MOD, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_or(mixed left, mixed right)
Performs a logical disjunction on two variants */
PHP_FUNCTION(variant_or)
{
variant_binary_operation(VOP_OR, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_pow(mixed left, mixed right)
Returns the result of performing the power function with two variants */
PHP_FUNCTION(variant_pow)
{
variant_binary_operation(VOP_POW, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_xor(mixed left, mixed right)
Performs a logical exclusion on two variants */
PHP_FUNCTION(variant_xor)
{
variant_binary_operation(VOP_XOR, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
static void variant_unary_operation(enum variant_unary_opcode op, INTERNAL_FUNCTION_PARAMETERS) /* {{{ */
{
VARIANT vres;
VARIANT left_val;
VARIANT *vleft = NULL;
zval *zleft = NULL;
php_com_dotnet_object *obj;
HRESULT result;
int codepage = CP_ACP;
VariantInit(&left_val);
VariantInit(&vres);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "O", &zleft, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!", &zleft)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else {
return;
}
switch (op) {
case VOP_ABS:
result = VarAbs(vleft, &vres);
break;
case VOP_FIX:
result = VarFix(vleft, &vres);
break;
case VOP_INT:
result = VarInt(vleft, &vres);
break;
case VOP_NEG:
result = VarNeg(vleft, &vres);
break;
case VOP_NOT:
result = VarNot(vleft, &vres);
break;
default:
result = E_INVALIDARG;
}
if (SUCCEEDED(result)) {
php_com_wrap_variant(return_value, &vres, codepage);
} else {
php_com_throw_exception(result, NULL);
}
VariantClear(&vres);
VariantClear(&left_val);
}
/* }}} */
/* {{{ proto mixed variant_abs(mixed left)
Returns the absolute value of a variant */
PHP_FUNCTION(variant_abs)
{
variant_unary_operation(VOP_ABS, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_fix(mixed left)
Returns the integer part ? of a variant */
PHP_FUNCTION(variant_fix)
{
variant_unary_operation(VOP_FIX, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_int(mixed left)
Returns the integer portion of a variant */
PHP_FUNCTION(variant_int)
{
variant_unary_operation(VOP_INT, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_neg(mixed left)
Performs logical negation on a variant */
PHP_FUNCTION(variant_neg)
{
variant_unary_operation(VOP_NEG, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_not(mixed left)
Performs bitwise not negation on a variant */
PHP_FUNCTION(variant_not)
{
variant_unary_operation(VOP_NOT, INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto mixed variant_round(mixed left, int decimals)
Rounds a variant to the specified number of decimal places */
PHP_FUNCTION(variant_round)
{
VARIANT vres;
VARIANT left_val;
VARIANT *vleft = NULL;
zval *zleft = NULL;
php_com_dotnet_object *obj;
int codepage = CP_ACP;
zend_long decimals = 0;
VariantInit(&left_val);
VariantInit(&vres);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "Ol", &zleft, php_com_variant_class_entry, &decimals)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!l", &zleft, &decimals)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else {
return;
}
if (SUCCEEDED(VarRound(vleft, (int)decimals, &vres))) {
php_com_wrap_variant(return_value, &vres, codepage);
}
VariantClear(&vres);
VariantClear(&left_val);
}
/* }}} */
/* {{{ proto int variant_cmp(mixed left, mixed right [, int lcid [, int flags]])
Compares two variants */
PHP_FUNCTION(variant_cmp)
{
VARIANT left_val, right_val;
VARIANT *vleft = NULL, *vright = NULL;
zval *zleft = NULL, *zright = NULL;
php_com_dotnet_object *obj;
int codepage = CP_ACP;
zend_long lcid = LOCALE_SYSTEM_DEFAULT;
zend_long flags = 0;
/* it is safe to ignore the warning for this line; see the comments in com_handlers.c */
STDAPI VarCmp(LPVARIANT pvarLeft, LPVARIANT pvarRight, LCID lcid, DWORD flags);
VariantInit(&left_val);
VariantInit(&right_val);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "OO|ll", &zleft, php_com_variant_class_entry,
&zright, php_com_variant_class_entry, &lcid, &flags)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
obj = CDNO_FETCH(zright);
vright = &obj->v;
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "Oz!|ll", &zleft, php_com_variant_class_entry,
&zright, &lcid, &flags)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "z!O|ll", &zleft, &zright, php_com_variant_class_entry,
&lcid, &flags)) {
obj = CDNO_FETCH(zright);
vright = &obj->v;
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!z!|ll", &zleft, &zright, &lcid, &flags)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else {
return;
}
ZVAL_LONG(return_value, VarCmp(vleft, vright, (LCID)lcid, (ULONG)flags));
VariantClear(&left_val);
VariantClear(&right_val);
}
/* }}} */
/* {{{ proto int variant_date_to_timestamp(object variant)
Converts a variant date/time value to unix timestamp */
PHP_FUNCTION(variant_date_to_timestamp)
{
VARIANT vres;
zval *zleft = NULL;
php_com_dotnet_object *obj;
VariantInit(&vres);
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(),
"O", &zleft, php_com_variant_class_entry)) {
return;
}
obj = CDNO_FETCH(zleft);
if (SUCCEEDED(VariantChangeType(&vres, &obj->v, 0, VT_DATE))) {
SYSTEMTIME systime;
struct tm tmv;
VariantTimeToSystemTime(V_DATE(&vres), &systime);
memset(&tmv, 0, sizeof(tmv));
tmv.tm_year = systime.wYear - 1900;
tmv.tm_mon = systime.wMonth - 1;
tmv.tm_mday = systime.wDay;
tmv.tm_hour = systime.wHour;
tmv.tm_min = systime.wMinute;
tmv.tm_sec = systime.wSecond;
tmv.tm_isdst = -1;
tzset();
RETVAL_LONG(mktime(&tmv));
}
VariantClear(&vres);
}
/* }}} */
/* {{{ proto object variant_date_from_timestamp(int timestamp)
Returns a variant date representation of a unix timestamp */
PHP_FUNCTION(variant_date_from_timestamp)
{
zend_long timestamp;
time_t ttstamp;
SYSTEMTIME systime;
struct tm *tmv;
VARIANT res;