/*
Plugin of Miranda IM for communicating with users of the AIM protocol.
Copyright (c) 2008-2012 Boris Krasnovskiy
Copyright (C) 2005-2006 Aaron Myles Landwehr
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.  If not, see .
*/
#include "aim.h"
#pragma warning( disable: 4706 )
char* process_status_msg (const char *str, const char* sn)
{
	const char *src = str;
	size_t size = strlen(src) + 1;
	char* res = (char*)mir_alloc(size);
	char* dest = res;
	size_t len = strlen(sn);
	for (; *src; ++src)
	{
		if (src[0] == '\n' && (src == str || src[-1] != '\r'))
		{
			int off = dest - res;
			res = (char*)mir_realloc(res, ++size);
			dest = res + off;
			*(dest++) = '\r';
			*(dest++) = *src;
		}
		else if (src[0] == '%' && src[1] == 'n')
		{
			int off = dest - res;
			res = (char*)mir_realloc(res, size + len);
			dest = res + off;
			size += len;
			memcpy(dest, sn, len);
			dest += len;
			++src;
		}
		else if (src[0] == '%' && src[1] == 'd')
		{
			int off = dest - res;
			res = (char*)mir_realloc(res, size + 20);
			dest = res + off;
			size += 20;
			dest += GetDateFormatA(LOCALE_USER_DEFAULT, 0, NULL, NULL, dest, 20)-1;
			++src;
		}
		else if (src[0] == '%' && src[1] == 't')
		{
			int off = dest - res;
			res = (char*)mir_realloc(res, size + 20);
			dest = res + off;
			size += 20;
			dest += GetTimeFormatA(LOCALE_USER_DEFAULT, 0, NULL, NULL, dest, 20)-1;
			++src;
		}
		else
			*(dest++) = *src;
	}
	*dest = '\0';
	return res;
}
void  html_decode(char* str)
{
	char *p, *q;
//    char *rstr = (char*)mir_alloc(strlen(str)*2);
	if (str == NULL) return;
	for ( p=q=str; *p!='\0'; p++,q++ ) 
	{
		if ( *p == '&' ) 
		{
			if      ( !strnicmp( p, "&", 5 ))  { *q = '&';  p += 4; }
			else if ( !strnicmp( p, "'", 6 )) { *q = '\''; p += 5; }
			else if ( !strnicmp( p, ">", 4 ))   { *q = '>';  p += 3; }
			else if ( !strnicmp( p, "<", 4 ))   { *q = '<';  p += 3; }
			else if ( !strnicmp( p, """, 6 )) { *q = '"';  p += 5; }
			else if ( *(p+1) == '#' ) 
			{ 
				char* s = strchr(p, ';');
				if (s)
				{
					wchar_t t[2] = { (wchar_t)atoi(p+2), 0 };
					char *t1 = mir_utf8encodeW(t);
					if (t1 && *t1)
					{
						strcpy(q, t1);
						q += strlen(t1) - 1;
					}
					mir_free(t1);
					p = s;
				}
				else
					*q = *p; 
			}
			else { *q = *p;	}
		}
		else if ( *p == '<' )
		{
			if      ( !strnicmp( p, "
",  3 )) { strcpy(q, "\r\n\r\n"); q += 3; p += 2; }
			else if ( !strnicmp( p, "
", 4 )) { strcpy(q, "\r\n\r\n"); q += 3; p += 3; }
			else if ( !strnicmp( p, "
", 4 )) { strcpy(q, "\r\n"); ++q; p += 3; }
			else if ( !strnicmp( p, "
", 6 )) { strcpy(q, "\r\n"); ++q; p += 5; }
			else if ( !strnicmp( p, "
", 4 )) { strcpy(q, "\r\n"); ++q; p += 3; }
			else if ( !strnicmp( p, "
", 6 )) { strcpy(q, "\r\n"); ++q; p += 5; }
/*			
			else if ( !strnicmp( p, "",  3 )) { strcpy(q, "[b]");  q += 2; p += 2; }
			else if ( !strnicmp( p, "", 4 )) { strcpy(q, "[/b]"); q += 3; p += 3; }
			else if ( !strnicmp( p, "",  3 )) { strcpy(q, "[u]");  q += 2; p += 2; }
			else if ( !strnicmp( p, "", 4 )) { strcpy(q, "[/u]"); q += 3; p += 3; }
			else if ( !strnicmp( p, "",  3 )) { strcpy(q, "[i]");  q += 2; p += 2; }
			else if ( !strnicmp( p, "", 4 )) { strcpy(q, "[/i]"); q += 3; p += 3; }
			else if ( !strnicmp( p, "",  3 )) { strcpy(q, "[s]");  q += 2; p += 2; }
			else if ( !strnicmp( p, "", 4 )) { strcpy(q, "[/s]"); q += 3; p += 3; }
			else if ( !strnicmp( p, "' && *p) *(q++) = *(p++);
				*q = ']'; --p;
			}
			else if ( !strnicmp( p, "');
				strcpy(q, "[url"); q += 4; p += 7;
				while (*p != '>' && *p) *(q++) = *(p++);
				*q = ']'; --p;
			}
*/
			else { 
				char *l = strchr(p, '>');
				if (l) { p = l; --q; } else *q = *p; 
			}
		}
		else 
			*q = *p;
	}
	*q = '\0';
}
char* html_encode(const char* str)
{
	char* s, *q;
	const char *p;
	int c;
	if (str == NULL) return NULL;
	for ( c=0, p=str; *p!='\0'; p++ ) 
	{
		switch ( *p ) 
		{
		case '&' : c += 5; break;
		case '\'': c += 6; break;
		case '>' : c += 4; break;
		case '<' : c += 4; break;
		case '"' : c += 6; break;
		case '\n': c += 4; break;
		default: c++; break;
		}
	}
	s = (char*)mir_alloc(c + 27); 
	strcpy(s, "");
	for ( p=str,q=s+12; *p!='\0'; p++ ) 
	{
		switch ( *p ) 
		{
		case '&' : memcpy( q, "&", 5 );  q += 5; break;
//		case '\'': memcpy( q, "'", 6 ); q += 6; break;
		case '>' : memcpy( q, ">", 4 );   q += 4; break;
		case '<' : memcpy( q, "<", 4 );   q += 4; break;
		case '"' : memcpy( q, """, 6 ); q += 6; break;
		case '\r': break;
		case '\n': memcpy( q, "
", 4 );   q += 4; break;
		default: *q = *p; ++q; break;
		}
	}
	strcpy(q, "");
	return s;
}
char* html_to_bbcodes(char *src)
{
	char *ptr;
	char *ptrl;
	char *rptr;
	char* dest = mir_strdup(src);
	while ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
	{
		*ptr = '[';
		*(ptr+1) = 'b';
		*(ptr+2) = ']';
		if ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
		{
			*ptr = '[';
			*(ptr+2) = 'b';
			*(ptr+3) = ']';
		}
		else
		{
			dest=(char*)mir_realloc(dest,strlen(dest)+6);
			memcpy(&dest[strlen(dest)],"[/b]",5);
		}
	}
	while ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
	{
		*ptr =  '[';
		*(ptr+1) = 'i';
		*(ptr+2) = ']';
		if ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
		{
			*ptr = '[';
			*(ptr+2) = 'i';
			*(ptr+3) = ']';
		}
		else
		{
			dest=(char*)mir_realloc(dest,strlen(dest)+6);
			memcpy(&dest[strlen(dest)],"[/i]",5);
		}
	}
	while ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
	{
		*ptr = '[';
		*(ptr+1) = 'u';
		*(ptr+2) = ']';
		if ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
		{
			*ptr = '[';
			*(ptr+2) = 'u';
			*(ptr+3) = ']';
		}
		else
		{
			dest=(char*)mir_realloc(dest,strlen(dest)+6);
			memcpy(&dest[strlen(dest)],"[/u]",5);
		}
	}
	while ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
	{
		*ptr = '[';
		*(ptr+1) = 's';
		*(ptr+2) = ']';
		if ((ptr = strstr(dest, "")) != NULL || (ptr = strstr(dest, "")) != NULL)
		{
			*ptr = '[';
			*(ptr+2) = 's';
			*(ptr+3) = ']';
		}
		else
		{
			dest=(char*)mir_realloc(dest,strlen(dest)+6);
			memcpy(&dest[strlen(dest)],"[/s]",5);
		}
	}
	rptr = dest;
	while (ptr = strstr(rptr,"")))
		{	
			ptr-=1;
			memmove(ptr, ptr+1, strlen(ptr+1) + 1);
			*(ptr)=']';
			ptrl-=1;
			char* s1 = strstr(ptrl,"")))
		{
			ptr-=1;
			memmove(ptr, ptr+1, strlen(ptr+1) + 1);
			*(ptr)=']';
			ptrl-=1;
			char* s1 = strstr(ptrl,"")))
		{
			memmove(ptrl+7,ptr,strlen(ptr)+1);
			*(ptrl+7)=']';
			ptr=ptrl+7;
			char* s1 = strstr(ptr,"")))
		{
			memmove(ptrl+7,ptr,strlen(ptr)+1);
			*(ptrl+7)=']';
			ptr=ptrl+7;
			char* s1 = strstr(ptr,"")))
		{
			*(ptr)=']';
			if ((ptrl = strstr(ptr, "';
	}
	while ((ptr = strstr(dest, "[/b]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+2) = 'b';
		*(ptr+3) = '>';
	}
	while ((ptr = strstr(dest, "[i]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+1) = 'i';
		*(ptr+2) = '>';
	}
	while ((ptr = strstr(dest, "[/i]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+2) = 'i';
		*(ptr+3) = '>';
	}
	while ((ptr = strstr(dest, "[u]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+1) = 'u';
		*(ptr+2) = '>';
	}
	while ((ptr = strstr(dest, "[/u]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+2) = 'u';
		*(ptr+3) = '>';
	}
	while ((ptr = strstr(dest, "[s]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+1) = 's';
		*(ptr+2) = '>';
	}
	while ((ptr = strstr(dest, "[/s]")) != NULL) 
	{
		*ptr = '<';
		*(ptr+2) = 's';
		*(ptr+3) = '>';
	}
	rptr = dest;
	while ((ptr = strstr(rptr, "[color=")))
	{
		int addr=ptr-rptr;
		dest=(char*)mir_realloc(dest,strlen(dest)+8);
		rptr=dest;
		ptr=rptr+addr;
		memmove(ptr+5, ptr, strlen(ptr) + 1);
		memcpy(ptr,"';
			if ((ptr = strstr(ptr,"[/color]")))
			{
				memcpy(ptr,"",7);
				memmove(ptr+7,ptr+8,strlen(ptr+8)+1);
			}
		}
		else
			rptr++;
	}
	while ((ptr = strstr(rptr, "[url=")))
	{
		int addr=ptr-rptr;
		dest=(char*)mir_realloc(dest,strlen(dest)+8);
		rptr=dest;
		ptr=rptr+addr;
		memmove(ptr+3, ptr, strlen(ptr)+1);
		memcpy(ptr,"';
			if ((ptr = strstr(ptr, "[/url]")))
			{
				memcpy(ptr,"",4);
				memmove(ptr+4,ptr+6,strlen(ptr+6)+1);
			}
		}
		else
			rptr++;
	}
	return dest;
}
void strip_tag(char* begin, char* end)
{
	memmove(begin,end+1,strlen(end+1)+1);
}
//strip a tag within a string
char* strip_tag_within(char* begin, char* end)
{
	while(char* sub_begin=strchr(begin,'<'))
	{	
		if (sub_begin');
			strip_tag(sub_begin,sub_end);
			end=end-(sub_end-sub_begin)-1;
		}
		else
			break;
	}
	return end;
}
char* rtf_to_html(HWND hwndDlg,int DlgItem)
{
	char* buf=(char*)mir_alloc(4024);
	size_t pos=0;
	int start=0;
	int end=1;
	BOOL Bold=false;
	BOOL Italic=false;
	BOOL Underline=false;
	char Face[32]="";
	COLORREF Color;
	COLORREF BackColor;
	int Size=0;
	GETTEXTLENGTHEX tl;
	tl.flags=GTL_DEFAULT;
	tl.codepage=CP_ACP;
	int oldstart = 0, oldend = 0;
	SendDlgItemMessage(hwndDlg, DlgItem, EM_GETSEL, (WPARAM)&oldstart, (LPARAM)&oldend);
	int length=SendDlgItemMessage(hwndDlg, DlgItem, EM_GETTEXTLENGTHEX,(WPARAM)&tl,0);
	while(start");
				pos+=3;
			}
			else
			{
				if (start!=0)
				{
					strcpy(&buf[pos],"");
					pos+=4;	
				}
			}
		}
		if (Italic!=isItalic)
		{
			Italic=isItalic;
			if (isItalic)
			{
				strcpy(&buf[pos],"");
				pos+=3;
			}
			else
			{
				if (start!=0)
				{
					strcpy(&buf[pos],"");
					pos+=4;	
				}
			}
		}
		if (Underline!=isUnderline)
		{
			Underline=isUnderline;
			if (isUnderline)
			{
				strcpy(&buf[pos],"");
				pos+=3;
			}
			else
			{
				if (start!=0)
				{
					strcpy(&buf[pos],"");
					pos+=4;	
				}
			}
		}
		if ( Size != isSize || Color != isColor || BackColor != isBackColor || lstrcmpA( Face, cfOld.szFaceName ))
		{
			Size=isSize;
			Color=isColor;
			BackColor=isBackColor;
			strcpy(Face,cfOld.szFaceName);
			if (start!=0)
			{
				strcpy(&buf[pos],"");
				pos+=7;
			}
			strcpy(&buf[pos],">8),chBackColor,16);
				size_t len=strlen(chBackColor);
				if (len<6)
				{
					memmove(chBackColor+(6-len),chBackColor,len+1);
					for(int i=0;i<6;i++)
						chBackColor[i]='0';
				}
				strcpy(&buf[pos],chBackColor);
				pos+=6;
			}
			if (!(cfOld.dwEffects & CFE_AUTOCOLOR))
			{
				strcpy(&buf[pos]," color=#");
				pos+=8;
				char chColor[7];
				_itoa((_htonl(Color)>>8),chColor,16);
				size_t len=strlen(chColor);
				if (len<6)
				{
					memmove(chColor+(6-len),chColor,len+1);
					for(int i=0;i<6;i++)
						chColor[i]='0';
				}
				strcpy(&buf[pos],chColor);
				pos+=6;
			}
			strcpy(&buf[pos]," size=");
			pos+=6;
			char chSize[2];
			_itoa(Size,chSize,10);
			strcpy(&buf[pos],chSize);
			pos++;
			strcpy(&buf[pos],">");
			pos++;
		}
		if (text[0]=='\r')
		{
			strcpy(&buf[pos],"
");
			pos+=4;
		}
		else
		{
			char* txt = mir_utf8encodeT(text);
			strcpy(&buf[pos], txt);
			pos += strlen(txt);
			mir_free(txt);
		}
		start++;
		end++;
	}
	if (Bold)
	{
		strcpy(&buf[pos],"");
		pos+=4;	
	}
	if (Italic)
	{
		strcpy(&buf[pos],"");
		pos+=4;	
	}
	if (Underline)
	{
		strcpy(&buf[pos],"");
		pos+=4;	
	}
	strcpy(&buf[pos],"");
	pos+=7;
	SendDlgItemMessage(hwndDlg, DlgItem, EM_SETSEL, oldstart, oldend);
	return buf;
}
void wcs_htons(wchar_t * ch)
{
	if (ch == NULL) return;
	for(size_t i=0;i>4;
		_itoa(bit,store,16);
		memcpy(&string[i*2],store,1);
		bit=(bytes[i]&0x0F);
		_itoa(bit,store,16);
		memcpy(&string[i*2+1],store,1);
	}
	string[num_bytes*2]='\0';
	return string;
}
void string_to_bytes(char* string, char* bytes)
{
	char sbyte[3];
	sbyte[2]='\0';
	size_t length=strlen(string);
	for (size_t i=0; i