xsIndex fxFindModuleKPR(xsMachine* the, xsIndex moduleID, xsSlot* slot)
{
char name[1024];
xsBooleanValue absolute, relative;
xsStringValue dot, slash;
xsIndex id;
xsToStringBuffer(*slot, name, sizeof(name));
if ((!FskStrCompareWithLength(name, "./", 2)) || (!FskStrCompareWithLength(name, "../", 3))) {
absolute = 0;
relative = (moduleID == XS_NO_ID) ? 0 : 1;
}
else if ((!FskStrCompareWithLength(name, "/", 1))) {
FskMemMove(name, name + 1, FskStrLen(name));
absolute = 1;
relative = 0;
}
else {
absolute = 1;
relative = (moduleID == XS_NO_ID) ? 0 : 1;
}
slash = FskStrRChr(name, '/');
if (!slash)
slash = name;
dot = FskStrRChr(slash, '.');
if (dot) {
xsBooleanValue known = 0;
xsStringValue* extension;
for (extension = gxExtensions; *extension; extension++) {
if (!FskStrCompare(dot, *extension)) {
known = 1;
break;
}
}
if (!known)
dot = NULL;
}
if (!dot)
dot = name + FskStrLen(name);
if (relative) {
if (fxFindURI(the, xsName(moduleID), name, dot, &id))
return id;
}
if (absolute) {
xsStringValue* bases = gModulesBases;
UInt32 c = gModulesBasesCount;
UInt32 i = 1;
while (i < c) {
if (fxFindURI(the, bases[i], name, dot, &id))
return id;
i++;
}
}
return XS_NO_ID;
}
txID fxFindModule(txMachine* the, txID moduleID, txSlot* slot)
{
char name[PATH_MAX];
char base[PATH_MAX];
txBoolean absolute, relative, search;
txSlot *key, *iterator, *result;
txString dot, slash;
txID id;
fxToStringBuffer(the, slot, name, sizeof(name));
if ((!c_strncmp(name, "./", 2)) || (!c_strncmp(name, "../", 3))) {
absolute = 0;
relative = (moduleID == XS_NO_ID) ? 0 : 1;
search = 0;
}
else if ((!c_strncmp(name, "/", 1))) {
absolute = 1;
relative = 0;
search = 0;
}
else {
absolute = 0;
relative = (moduleID == XS_NO_ID) ? 0 : 1;
search = 1;
}
slash = c_strrchr(name, '/');
if (!slash)
slash = name;
dot = c_strrchr(slash, '.');
if (!dot)
dot = name + c_strlen(name);
if (absolute) {
if (fxFindURI(the, "", name, dot, &id))
return id;
}
if (relative) {
key = fxGetKey(the, moduleID);
c_strcpy(base, key->value.key.string);
if (fxFindURI(the, base, name, dot, &id))
return id;
}
if (search) {
mxCallID(&mxModulePaths, mxID(_Symbol_iterator), 0);
iterator = the->stack;
for (;;) {
mxCallID(iterator, mxID(_next), 0);
result = the->stack;
mxGetID(result, mxID(_done));
if (fxToBoolean(the, the->stack))
break;
the->stack++;
mxGetID(result, mxID(_value));
fxToStringBuffer(the, the->stack++, base, sizeof(base));
if (fxFindURI(the, base, name, dot, &id))
return id;
}
}
mxReferenceError("module \"%s\" not found", name);
return XS_NO_ID;
}