Module: ConsistentCompany

Included in:
String
Defined in:
lib/consistent_company.rb,
lib/consistent_company/version.rb,
ext/consistent_company/consistent_company.c

Defined Under Namespace

Modules: Version

Instance Method Summary collapse

Instance Method Details

#company_namer ⇒ Object 



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# File 'ext/consistent_company/consistent_company.c', line 18

static VALUE rb_CompanyNamer(VALUE self)
{
	char * pSelf = RSTRING_PTR(self);
	int selfLen = (int)strlen(pSelf)+2;
	int workLen = (int)selfLen;
	char * s = pSelf;
	if (*pSelf == '\0')
		return self;
			
	// calc size of work strings
	// while processing we turn & = AND, + = PLUS
	// and we add space at front and back
	while ((s = strpbrk(s, "&+")))
	{	
		workLen +=3; // worst case we add 3 chars
		s++;
	}
	workLen += 90;	// add space front and back
	//////////////
	
	// for company only
	int i;
	char ch;
	int asc;
	int numLefts = 0, numRights = 0;
	int left1 = -1, right1 = -1, left2 = -1, right2 = -1;
	char * workString = malloc(workLen);	// 2 extra chars for TransformCompany
	char * returnString = malloc(workLen);
	char * inString;
	strcpy(workString, pSelf);
	inString = workString;
	
	for( i = 0; inString[i]; i++)
		inString[i] = toupper( inString[i] );
	
	inString = trimwhitespace(inString);
	int len = (int)strlen(inString);
	for (i = 0; i < len; i++)
	{
		if (inString[i] == '(')
		{
			numLefts++;
			if (numLefts == 1)
				left1 = i;
			else if (numLefts == 2)
				left2 = i;
		}
		else if (inString[i] == ')')
		{
			numRights++;
			if (numRights == 1)
				right1 = i;
			else if (numRights == 2)
				right2 = i;
		}
	}

	if (numLefts == 0 || inString[0] == '(')
	{ } // Do Nothing
	else if (numLefts == 1)
	{
		if (right1 > left1)
		{
			// ..(xx)..
			inString[left1++] = ' ';
			memmove(&inString[left1], &inString[right1+1], strlen(inString+right1+1)+1);		
		}
		else
			// ..(xx
			inString[left1] = '\0';
	}
	else if (numLefts == 2)
	{
		if ((left1 < right1) && (right1 < left2) && (left2 < right2))
		{
			// ..(xx)..(xx)..
			inString[left1] = ' ';
			memmove(inString + left1 + 1, inString + right1 + 1, left2-right1-1);
			inString[left1+1+left2-right1-1]  = ' ';
			memmove(inString+left1+1+left2-right1, inString + right2+1, strlen(inString+right2+1)+1);
		}
		else if ((left1 < left2) && (left2 < right1) && (right1 < right2))
		{
			// ..(xx(xx)xx)..
			inString[left1] = ' ';
			memmove(inString+left1+1, inString+right2+1, strlen(inString+right2+1)+1);
		}
		else if ((left1 < right1) && (right1 < left2) && (right2 == -1))
		{
			// ..(xx)..(xx
			inString[left1] = ' ';
			memmove(inString+left1+1, inString+right1+1, left2-right1-1);
			inString[left1+1+left2-right1] = '\0';
		}
		else if ((left1 < left2) && (left2 < right1) && (right2 == -1))
		{
			// ..(xx(xx)xx
			inString[left1] = '\0';
		}
		else if ((right1 == -1) && (right2 == -1))
		{
			// ..(xx(xx
			inString[left1] = '\0';
		}
	}
	char singleCharStr[2];
	singleCharStr[1] = '\0';
	returnString[0] = '\0';
	for (i = 0; i < (int)strlen(inString); i++)
	{
		ch = inString[i];
		asc = (int)ch;

		if ((asc >= 65 && asc <= 90) ||
			(asc >= 48 && asc <= 57) ||
			(asc >= 128))  // A-Z, 0-9, and high order chars
		{
			singleCharStr[0] = ch;
			strcat(returnString, singleCharStr);
		}
		else if (asc == 39) // '
		{ }  // Remove it
		else if (asc == 38 && strlen(returnString) > 0) // &
		{
			if (returnString[strlen(returnString)-1] != ' ')
				strcat(returnString, " AND ");
			else
				strcat(returnString, "AND ");
		}
		else if (asc == 43)  // +
		{
			if (strcmp(returnString, "A") == 0 || strcmp(returnString, "A ") == 0)
				strcpy(returnString, "A PLUS ");
			else if (strlen(returnString) > 0)
			{
				if (returnString[strlen(returnString)-1] != ' ')
					strcat(returnString, " AND ");
				else
					strcat(returnString, "AND ");
			}
		}
		else if (strlen(returnString) > 0 &&
			returnString[strlen(returnString)-1] != ' ')
		{
			strcat(returnString, " ");
		}
	}
	
	str_replace(returnString, " AND ", " & ");
	
	returnString = trimwhitespace(returnString);
	returnString = TransformCompany(returnString);
	VALUE return_value = rb_str_new2(trimwhitespace(returnString));
	free(returnString);
	free(workString);
	return return_value;
}