bool Buffer::SearchF(uint8_t* ptrn)
{
uint16_t len = strlen((char*) ptrn);
int16_t search = SearchBuffer(ptrn);
if(search >=0 && search < BUFFSIZE)
{
SetPointA(search);
CreateMark(search, SEARCH_RESULT);
SetMarkLen(search, len);
return true;
}
return false;
}
int32_t Buffer::LookForward(int32_t x) //Search forward if there is another line continue until you get to the current x value of the cursor or we reach the end of the text
{
uint32_t i = (point - buffer); //get the count for length calculations
while(i <= text_length)
{
if(buffer[MapToGap(i++)]=='\n') //find the start of the next line //afterwards increment the index
{
int32_t j = 0;
for(j=0; j<x; ++j) if(i+j == text_length) break; //advance j to x or the end of the line whichever comes first
SetPointA(i+j); //Set the point to the new cursor position
return j%CONSOLE_WIDTH; //return the horizontal the new horizontal position of the cursor
}
}
return -1;
}
int32_t Buffer::LookBackward(int32_t x)//Return the x coordinate of the previous line if it exists otherwise the x coordinate of the end of the previous line or -1 if there is no previous line
{
int32_t i = (point - buffer);
while(i >= 0)
{
if(buffer[MapToGap(i--)] == '\n')//check for previous lines
{
int32_t j = 0;
while(i>0 && buffer[MapToGap(i--)] != '\n'); //go to the begining of the previous line
while(j < x) if(buffer[MapToGap(i+j)] != '\n') j++;
else break; //advance j until the line ends or we reach x
SetPointA(i+j); //Set the point there
return j; //return the x offset to that point
}
}
return -1; //There are no previous lines
}
void Triangle::SetPointA(double x, double y) {
SetPointA(Point(x, y));
}