int CharCircularBuffer::removeChar(char *dest){//ret n char removed (0: buffer empty)
if(isEmpty())return 0;
*dest=buf[start];
start=inc(start);
if(isEndLine(*dest))lineCount--;
return 1;
}
int CharCircularBuffer::removeLine(char *dest,unsigned int maxn){
//ret nchar readed, (max maxn char), terminate string with \0 (instead of \n or in maxn position)
unsigned int c=0;
if(lineCount==0)return 0;
while( (!isEmpty()) && (!isEndLine(buf[start])) && (c<maxn) ){
dest[c]=buf[start];
start=inc(start);
c++;
}
dest[c]='\0';
if(!isEmpty() && isEndLine(buf[start])){
lineCount--;
start=inc(start);
}
return c;
}
int CharCircularBuffer::addChar(char src){
//ret n char added (0: error, 1 ok)
if(isFull())return 0;
buf[end]=src;
end=inc(end);
if(isEndLine(src))lineCount++;
return 1;
}
//ret n char added (0: error, 1 ok)
int CharCircularBuffer::addChar(char src)
{
if (isFull())
return 0;
buf[end] = src;
end = inc(end);
if (isEndLine(src))
lineCount++;
return 1;
}
//ret nchar readed, (max maxn char), terminate string with \0 (instead of \n or in maxn position)
int CharCircularBuffer::removeLine(char *dest, unsigned int maxn)
{
unsigned int c = 0;
if (lineCount == 0)
return 0;
while ((!isEmpty()) && (!isEndLine(buf[start])) && (c < maxn - 1))
{
dest[c] = buf[start];
start = inc(start);
c++;
}
dest[c] = '\0';
if (!isEmpty() && isEndLine(buf[start]))
{
lineCount--;
start = inc(start);
}
return c;
}
int CharCircularBuffer::removeNChar(char *dest,unsigned int nx){
//ret n char removed (0: buffer empty, 0-n)
unsigned int disp=getCount();//#posti disponibili
nx=(disp>nx?nx:disp);
for (int i=0;i<nx;i++){
if(isEndLine(buf[start]))lineCount--;
dest[i]=buf[start];
start=inc(start);
}
return nx;
}
int CharCircularBuffer::addNChar(char *src,unsigned int nx){
//ret n char added (0: error, 1 ok)
unsigned int disp=n-getCount()-1;//#posti disponibili
nx=(disp>nx?nx:disp);
for (int i=0;i<nx;i++){
if(isEndLine(src[i]))lineCount++;
buf[end]=src[i];
end=inc(end);
}
return nx;
}
