/*
 * This file is a part of CMSLU -- Content Management System like Unix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "misc.h"




void ToString(std::string & s, int value)
{
static char buffer[50];	
	
	sprintf(buffer, "%d", value);
	s = buffer;	
}


void ToString(std::string & s, long value)
{
static char buffer[50];	
	
	sprintf(buffer, "%ld", value);
	s = buffer;	
}




bool CorrectUrlChar(char c)
{
	if( (c >= 'a' && c <='z') ||
	    (c >= 'A' && c <='Z') ||
	    (c >= '0' && c <='9') ||
	    (c == '(' || c == ')' || c == '.' || c == ',' || c == '_' )
	    )
	    {
			return true;
	    }

return false;			
}


void CorrectUrl(Item & item)
{
std::string::iterator i;	
	
	for(i = item.url.begin(); i!=item.url.end() ; ++i)
	{
		if( !CorrectUrlChar(*i) )
		{
			int c = ChangeLocalChar(*i);
		
			if( CorrectUrlChar(c) )
				*i = c;
			else
				*i = '_';
		}
	}

	if( item.url.empty() )
		item.url = "bez_nazwy";  // !! wrzucic do pliku konfiguracyjnego 
	else
	if( item.url[0] >= '0' && item.url[0] <= '9' )
		// url must begin with a letter
		item.url.insert(item.url.begin(), '_');
}


void SetUrlFromSubject(Item & item)
{
	item.url = item.subject;
	CorrectUrl(item);

/*
std::string::iterator i;	
	
	item.url.clear();
	
	for(i = item.subject.begin(); i!=item.subject.end() ; ++i)
	{
		int c = ChangeLocalChar(*i);
		
		if( (c >= 'a' && c <='z') ||
		    (c >= 'A' && c <='Z') ||
		    (c >= '0' && c <='9') ||
		    (c == '(' || c == ')' || c == '.' || c == ',' || c == '_' )
		    )
		    {
		    	item.url += c;	
		    }
			else
				item.url += '_';
	}

	if( item.url.empty() )
		item.url = "bez_nazwy";  // !! wrzucic do pliku konfiguracyjnego 
	else
	if( item.url[0] >= '0' && item.url[0] <= '9' )
		// url must begin with a letter
		item.url.insert(item.url.begin(), '_');
*/
}




int polish_letters_simple[] =
{	'a', 'A',
	'c', 'C',
	's', 'S',	
	'e', 'E',	
	'l', 'L',	
	'o', 'O',
	'z', 'Z',
	'z', 'Z',
	'n', 'N', 0 }; // 0 - terminating


int polish_letters_iso88592[] = 
{	0xb1, 0xa1, 
	0xe6, 0xc6, 
	0xb6, 0xa6, 
	0xea, 0xca, 
	0xb3, 0xa3, 
	0xf3, 0xd3, 
	0xbf, 0xaf, 
	0xbc, 0xac, 
	0xf1, 0xd1, 0  };



int ChangeLocalChar(unsigned char c)
{
	// if( language == polish_iso88592 )
	
	for(int i = 0 ; polish_letters_iso88592[i] ; ++i)
	{
		if( polish_letters_simple[i] == 0 )
		{
			log << log1 << "localization tables don't have the same size" << logend;
			return c;	
		}
		
		if( polish_letters_iso88592[i] == c )
			return polish_letters_simple[i];
	}
	
return c;
}


void HtmlEscape(std::ostringstream & out, const std::string & in)
{
std::string::const_iterator i;

	for(i = in.begin() ; i != in.end() ; ++i)
	{
		if( *i == '<' )
			out << "&lt;";
		else
		if( *i == '>' )
			out << "&gt;";
		else
		if( *i == '&' )
			out << "&amp;";
		else
			out << *i;	
	}
}


std::string HtmlEscape(const std::string & in)
{
	std::ostringstream out;
	
	HtmlEscape(out, in);
	
return out.str();
}



const char * DateToStr(int month, int day, int hour, int min, int sec)
{
static const char * month_letter[] = { "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", "X", "XI", "XII" };	
static char buffer[100];

	--month;

	if( month < 0 )
			month = 0;
			
	if( month > 11 )
		month = 11;

	sprintf(buffer, "%s.%02d %02d:%02d:%02d", month_letter[month], day, hour, min, sec);

	// warning: not thread safe (we do not use threads)
	return buffer;
}