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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <wez@thebrainroom.com> |
| Harald Radi <h.radi@nme.at> |
+----------------------------------------------------------------------+
*/
#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"
PHP_COM_DOTNET_API OLECHAR *php_com_string_to_olestring(const char *string, size_t string_len, int codepage)
{
OLECHAR *olestring = NULL;
DWORD flags = codepage == CP_UTF8 ? 0 : MB_PRECOMPOSED | MB_ERR_INVALID_CHARS;
BOOL ok;
if (string_len == -1) {
/* determine required length for the buffer (includes NUL terminator) */
string_len = MultiByteToWideChar(codepage, flags, string, -1, NULL, 0);
} else {
/* allow room for NUL terminator */
string_len++;
}
if (string_len > 0) {
olestring = (OLECHAR*)safe_emalloc(string_len, sizeof(OLECHAR), 0);
/* XXX if that's a real multibyte string, olestring is obviously allocated excessively.
This should be fixed by reallocating the olestring, but as emalloc is used, that doesn't
matter much. */
ok = MultiByteToWideChar(codepage, flags, string, (int)string_len, olestring, (int)string_len);
if (ok > 0 && (size_t)ok < string_len) {
olestring[ok] = '\0';
}
} else {
ok = FALSE;
olestring = (OLECHAR*)emalloc(sizeof(OLECHAR));
*olestring = 0;
}
if (!ok) {
char *msg = php_win32_error_to_msg(GetLastError());
php_error_docref(NULL, E_WARNING,
"Could not convert string to unicode: `%s'", msg);
php_win32_error_msg_free(msg);
}
return olestring;
}
PHP_COM_DOTNET_API zend_string *php_com_olestring_to_string(OLECHAR *olestring, int codepage)
{
zend_string *string;
uint32_t length = 0;
length = WideCharToMultiByte(codepage, 0, olestring, -1, NULL, 0, NULL, NULL);
if (length) {
/* We remove 1 from the length as it takes into account the terminating null byte
* which zend_string alloc already takes into consideration */
/* TODO Should use safe alloc? */
string = zend_string_alloc(length - 1, /* persistent */ false);
length = WideCharToMultiByte(codepage, 0, olestring, -1, ZSTR_VAL(string), length, NULL, NULL);
} else {
string = ZSTR_EMPTY_ALLOC();
}
/* Failure to determine length of WideChar */
if (length == 0) {
char *msg = php_win32_error_to_msg(GetLastError());
php_error_docref(NULL, E_WARNING,
"Could not convert string from unicode: `%s'", msg);
php_win32_error_msg_free(msg);
}
return string;
}
BSTR php_com_string_to_bstr(zend_string *string, int codepage)
{
BSTR bstr = NULL;
DWORD flags = codepage == CP_UTF8 ? 0 : MB_PRECOMPOSED | MB_ERR_INVALID_CHARS;
size_t mb_len = ZSTR_LEN(string);
int wc_len;
if ((wc_len = MultiByteToWideChar(codepage, flags, ZSTR_VAL(string), (int)mb_len + 1, NULL, 0)) <= 0) {
goto fail;
}
if ((bstr = SysAllocStringLen(NULL, (UINT)(wc_len - 1))) == NULL) {
goto fail;
}
if ((wc_len = MultiByteToWideChar(codepage, flags, ZSTR_VAL(string), (int)mb_len + 1, bstr, wc_len)) <= 0) {
goto fail;
}
return bstr;
fail:
char *msg = php_win32_error_to_msg(GetLastError());
php_error_docref(NULL, E_WARNING,
"Could not convert string to unicode: `%s'", msg);
LocalFree(msg);
SysFreeString(bstr);
return SysAllocString(L"");
}
zend_string *php_com_bstr_to_string(BSTR bstr, int codepage)
{
zend_string *string = NULL;
UINT wc_len = SysStringLen(bstr);
int mb_len;
mb_len = WideCharToMultiByte(codepage, 0, bstr, wc_len + 1, NULL, 0, NULL, NULL);
if (mb_len > 0) {
string = zend_string_alloc(mb_len - 1, 0);
mb_len = WideCharToMultiByte(codepage, 0, bstr, wc_len + 1, ZSTR_VAL(string), mb_len, NULL, NULL);
}
if (mb_len <= 0) {
char *msg = php_win32_error_to_msg(GetLastError());
php_error_docref(NULL, E_WARNING,
"Could not convert string from unicode: `%s'", msg);
LocalFree(msg);
if (string != NULL) {
zend_string_release(string);
}
string = ZSTR_EMPTY_ALLOC();
}
return string;
}
|