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path: root/plugins/SecureIM/mmi.cpp
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#include "commonheaders.h"


void *operator new(size_t sz) {
	return mir_alloc(sz);
}


void *operator new[](size_t size) {
	return operator new(size);
}


void operator delete(void *p) {
	mir_free(p);
}


void operator delete[](void * p) {
	operator delete(p);
}


// ANSIzUCS2z + ANSIzUCS2z = ANSIzUCS2z
char *m_wwstrcat(LPCSTR strA, LPCSTR strB) {
	int lenA = (int)strlen(strA);
	int lenB = (int)strlen(strB);
	LPSTR str = (LPSTR)mir_alloc((lenA+lenB+1)*(sizeof(WCHAR)+1));
	memcpy(str,									strA,			lenA);
	memcpy(str+lenA,							strB,			lenB+1);
	memcpy(str+lenA+lenB+1,						strA+lenA+1,	lenA*sizeof(WCHAR));
	memcpy(str+lenA+lenB+1+lenA*sizeof(WCHAR),	strB+lenB+1,	(lenB+1)*sizeof(WCHAR));
	return str;
}


// ANSIz + ANSIzUCS2z = ANSIzUCS2z
char *m_awstrcat(LPCSTR strA, LPCSTR strB) {
	int lenA = (int)strlen(strA);
	LPSTR tmpA = (LPSTR)mir_alloc((lenA+1)*(sizeof(WCHAR)+1));
	strcpy(tmpA, strA);
	MultiByteToWideChar(CP_ACP, 0, strA, -1, (LPWSTR)(tmpA+lenA+1), (lenA+1)*sizeof(WCHAR));
	LPSTR str = m_wwstrcat(tmpA, strB);
	mir_free(tmpA);
	return str;
}


// ANSIz + ANSIz = ANSIzUCS2z
char *m_aastrcat(LPCSTR strA, LPCSTR strB) {
	int lenA = (int)strlen(strA);
	int lenB = (int)strlen(strB);
	LPSTR str = (LPSTR)mir_alloc((lenA+lenB+1)*(sizeof(WCHAR)+1));
	strcpy(str,strA);
	strcat(str,strB);
	MultiByteToWideChar(CP_ACP, 0, str, -1, (LPWSTR)(str+lenA+lenB+1), (lenA+lenB+1)*sizeof(WCHAR));
	return str;
}


LPSTR m_string = NULL;

// ANSIz + ANSIz = ANSIz
char *m_ustrcat(LPCSTR strA, LPCSTR strB) {
	SAFE_FREE(m_string);
	m_string = (LPSTR) mir_alloc(strlen(strA)+strlen(strB)+1);
	strcpy(m_string,strA); strcat(m_string,strB);
	return m_string;
}


LPSTR m_hex = NULL;

LPSTR to_hex(PBYTE bin, int len) {
	SAFE_FREE(m_hex);
	m_hex = (LPSTR) mir_alloc(len*3+1);
	LPSTR m_ptr = m_hex;
	for( int i=0; i<len; i++ ) {
	   if( i ) {
 		*m_ptr = ' '; m_ptr++;
 	   }
	   mir_snprintf(m_ptr,4,"%02X",bin[i]);
	   m_ptr += 2;
	}
	*m_ptr = 0;
	return m_hex;
}


void __fastcall safe_free(void** p)
{
  if (*p) {
    mir_free(*p);
    *p = NULL;
  }
}


void __fastcall safe_delete(void** p)
{
  if (*p) {
    delete(*p);
    *p = NULL;
  }
}


// преобразуем текст из чистого UTF8 в формат миранды
LPSTR utf8_to_miranda(LPCSTR szUtfMsg, DWORD& flags) {
	LPSTR szNewMsg;
	if( iCoreVersion < 0x00060000 ) {
		flags &= ~(PREF_UTF|PREF_UNICODE);
		LPWSTR wszMsg = exp->utf8decode(szUtfMsg);
		LPSTR szMsg = mir_u2a(wszMsg);
		if( bCoreUnicode ) {
		    flags |= PREF_UNICODE;
		    int olen = (int)wcslen((LPWSTR)wszMsg)+1;
		    int nlen = olen*(sizeof(WCHAR)+1);
		    szNewMsg = (LPSTR) mir_alloc(nlen);
		    memcpy(szNewMsg,szMsg,olen);
		    memcpy(szNewMsg+olen,wszMsg,olen*sizeof(WCHAR));
		    mir_free(szMsg);
		}
		else {
		    szNewMsg = szMsg;	
                }
	}
	else {
		flags &= ~PREF_UNICODE;	flags |= PREF_UTF;
		szNewMsg = (LPSTR) mir_strdup(szUtfMsg);
	}
	return szNewMsg;
}


// преобразуем текст из формата миранды в чистый UTF8
LPSTR miranda_to_utf8(LPCSTR szMirMsg, DWORD flags) {
	LPSTR szNewMsg;
	if(flags & PREF_UTF) {
		szNewMsg = (LPSTR) szMirMsg;
	}
	else
	if(flags & PREF_UNICODE) {
		szNewMsg = exp->utf8encode((LPCWSTR)(szMirMsg+strlen(szMirMsg)+1));
	}
	else {
		LPWSTR wszMirMsg = mir_a2u(szMirMsg);
		szNewMsg = exp->utf8encode((LPCWSTR)wszMirMsg);
		mir_free(wszMirMsg);
	}
	return mir_strdup(szNewMsg);
}


// EOF