Spike::Spike(Sint16 xcord, Sint16 ycord, const ParameterMap& param):
Object(xcord,ycord,param) {
weapon=Weapon(-10,W_TOUCH,WS_SPIKE);
/* Parameters */
if (hasParam(parameters,"direction")) dir=getDirFromString(parameters["direction"]);
else dir=DIR_UP;
otype|=(DIR_ALL&(~dir));
}
/*******************************************************************************
* bk_get_dir_from_string()
* public function
* gets a pointer to a Dir in tree described by the string pathStr
* */
int bk_get_dir_from_string(const VolInfo* volInfo, const char* pathStr,
BkDir** dirFoundPtr)
{
return getDirFromString(&(volInfo->dirTree), pathStr, dirFoundPtr);
}
/*******************************************************************************
* getDirFromString()
* recursive
* gets a pointer to a Dir in tree described by the string pathStr
* */
int getDirFromString(const BkDir* tree, const char* pathStr, BkDir** dirFoundPtr)
{
size_t count;
size_t pathStrLen;
bool stopLooking;
/* name of the directory in the path this instance of the function works on */
char* currentDirName;
BkFileBase* child;
int rc;
pathStrLen = strlen(pathStr);
if(pathStrLen == 1 && pathStr[0] == '/')
/* root, special case */
{
/* cast to prevent compiler const warning */
*dirFoundPtr = (BkDir*)tree;
return 1;
}
if(pathStrLen < 3 || pathStr[0] != '/' || pathStr[1] == '/' ||
pathStr[pathStrLen - 1] != '/')
return BKERROR_MISFORMED_PATH;
stopLooking = false;
for(count = 2; count < pathStrLen && !stopLooking; count++)
/* find the first directory in the path */
{
if(pathStr[count] == '/')
/* found it */
{
/* make a copy of the string to use with strcmp */
currentDirName = (char*)malloc(count);
if(currentDirName == NULL)
return BKERROR_OUT_OF_MEMORY;
strncpy(currentDirName, &(pathStr[1]), count - 1);
currentDirName[count - 1] = '\0';
child = tree->children;
while(child != NULL && !stopLooking)
/* each child directory in tree */
{
if( strcmp(child->name, currentDirName) == 0 &&
IS_DIR(child->posixFileMode) )
/* found the right child directory */
{
if(pathStr[count + 1] == '\0')
/* this is the directory i'm looking for */
{
*dirFoundPtr = BK_DIR_PTR(child);
stopLooking = true;
rc = 1;
}
else
/* intermediate directory, go further down the tree */
{
rc = getDirFromString(BK_DIR_PTR(child),
&(pathStr[count]), dirFoundPtr);
if(rc <= 0)
{
free(currentDirName);
return rc;
}
stopLooking = true;
}
}
child = child->next;
}
free(currentDirName);
if(!stopLooking)
return BKERROR_DIR_NOT_FOUND_ON_IMAGE;
} /* if(found it) */
} /* for(find the first directory in the path) */
/* can't see how i could get here but to keep the compiler happy */
return 1;
}
