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/*
* ledsconf.c: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id: ledsconf.c,v 1.18 2012/11/20 19:04:09 wendel Exp $
*/
#include <ctype.h>
#include "common.h"
#include "config.h"
#include "ledsconf.h"
//***************************************************************************
// Parse like like "led 0-1 14-17"
//***************************************************************************
bool cLedConf::Parse(const char* s)
{
const char* p = s;
p = skipWs(p);
// check keyword
if (strncasecmp(p, "led ", 4) != 0)
return false;
p += 4;
skipWs(p);
// LED Position
if (strncasecmp(p, "top ", 4) == 0)
lp = lpTop;
else if (strncasecmp(p, "left ", 5) == 0)
lp = lpLeft;
else if (strncasecmp(p, "bot ", 4) == 0)
lp = lpBottom;
else if (strncasecmp(p, "bottom ", 7) == 0)
lp = lpBottom;
else if (strncasecmp(p, "right ", 6) == 0)
lp = lpRight;
else
return error("Missing location {top,left,bot(tom),right}");
// skip to delemiter
while (*p && *p != ' ' && *p != '\t')
p++;
// check
if (!*p)
return false;
skipWs(p);
// parse X
if (!parseRange(p, x, toX))
return false;
// parse Y
if (!parseRange(p, y, toY))
return false;
if (!parseOrder(p, rgbOrder))
return false;
return true;
}
//***************************************************************************
// Parse Range like "12-26"
//***************************************************************************
bool cLedConf::parseRange(const char*& p, int& from, int& to)
{
p = skipWs(p);
if (!isdigit(*p))
return false;
from = to = strtol(p, (char**)&p, 0);
p = skipWs(p);
if (*p != '-')
return true;
p++;
if (!isdigit(*p))
return false;
to = strtol(p, (char**)&p, 0);
return true;
}
//***************************************************************************
// Parse RGB Order Range "GBR"
//***************************************************************************
bool cLedConf::parseOrder(const char*& p, char* order)
{
p = skipWs(p);
if (!(*p))
return true;
if (!strstr("RGB:RBG:GBR:GRB:BGR:BRG", p))
return false;
sprintf(order, "%.3s", p);
return true;
}
//***************************************************************************
// Skip Whitespaces
//***************************************************************************
const char* cLedConf::skipWs(const char* p)
{
while (*p && (*p == ' ' || *p == '\t'))
p++;
return p;
}
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