public String Bld_str_many(String... args) {
if (dirty) Compile();
String_bldr rv = String_bldr_.new_();
int args_len = args.length;
for (int i = 0; i < itms_len; i++) {
Bry_fmtr_itm itm = itms[i];
if (itm.Arg) {
int arg_idx = itm.ArgIdx;
if (arg_idx < args_len)
rv.Add(args[arg_idx]);
else
rv.Add(missing_bgn).Add(arg_idx + missing_adj).Add(missing_end);
}
else
rv.Add(itm.DatStr());
}
return rv.XtoStr();
} private Bry_fmtr_itm[] itms; int itms_len;
int Compile_eval_cmd(byte[] fmt, int fmt_len, int eval_lhs_bgn, List_adp list) {
int eval_lhs_end = Bry_finder.Find_fwd(fmt, char_eval_end, eval_lhs_bgn + Int_.Const_dlm_len, fmt_len); if (eval_lhs_end == Bry_.NotFound) throw Err_mgr._.fmt_(GRP_KEY, "eval_lhs_end_invalid", "could not find eval_lhs_end: ~{0}", String_.new_u8(fmt, eval_lhs_bgn, fmt_len));
byte[] eval_dlm = Bry_.Mid(fmt, eval_lhs_bgn , eval_lhs_end + Int_.Const_dlm_len);
int eval_rhs_bgn = Bry_finder.Find_fwd(fmt, eval_dlm , eval_lhs_end + Int_.Const_dlm_len, fmt_len); if (eval_rhs_bgn == Bry_.NotFound) throw Err_mgr._.fmt_(GRP_KEY, "eval_rhs_bgn_invalid", "could not find eval_rhs_bgn: ~{0}", String_.new_u8(fmt, eval_lhs_end, fmt_len));
byte[] eval_cmd = Bry_.Mid(fmt, eval_lhs_end + Int_.Const_dlm_len, eval_rhs_bgn);
byte[] eval_rslt = eval_mgr.Eval(eval_cmd);
int eval_rhs_end = eval_rhs_bgn + Int_.Const_dlm_len + eval_dlm.length;
if (eval_rslt == null) eval_rslt = Bry_.Mid(fmt, eval_lhs_bgn - 2, eval_rhs_end); // not found; return original argument
list.Add(Bry_fmtr_itm.dat_bry_(eval_rslt));
return eval_rhs_end;
}
public Bry_fmtr Compile() {
synchronized (this) { // THREAD: DATE:2015-04-29
Bry_bfr lkp_bfr = Bry_bfr.new_(16);
int fmt_len = fmt.length; int fmt_end = fmt_len - 1; int fmt_pos = 0;
byte[] trg_bry = new byte[fmt_len]; int trg_pos = 0;
boolean lkp_is_active = false, lkp_is_numeric = true;
byte nxt_byte, tmp_byte;
List_adp list = List_adp_.new_();
fmt_args_exist = false;
while (true) {
if (fmt_pos > fmt_end) break;
byte cur_byte = fmt[fmt_pos];
if (lkp_is_active) {
if (cur_byte == char_arg_end) {
if (lkp_is_numeric)
list.Add(Bry_fmtr_itm.arg_(lkp_bfr.XtoInt(0) - baseInt));
else {
byte[] key_fmt = lkp_bfr.Xto_bry();
Object idx_ref = keys.Get_by(Bry_obj_ref.new_(key_fmt));
if (idx_ref == null) {
int lkp_bfr_len = lkp_bfr.Len();
byte[] lkp_bry = lkp_bfr.Bfr();
trg_bry[trg_pos++] = char_escape;
trg_bry[trg_pos++] = char_arg_bgn;
for (int i = 0; i < lkp_bfr_len; i++)
trg_bry[trg_pos++] = lkp_bry[i];
trg_bry[trg_pos++] = char_arg_end;
}
else {
list.Add(Bry_fmtr_itm.arg_(((Int_obj_val)idx_ref).Val() - baseInt));
}
}
lkp_is_active = false;
lkp_bfr.Clear();
fmt_args_exist = true;
}
else {
lkp_bfr.Add_byte(cur_byte);
switch (cur_byte) {
case Byte_ascii.Num_0: case Byte_ascii.Num_1: case Byte_ascii.Num_2: case Byte_ascii.Num_3: case Byte_ascii.Num_4:
case Byte_ascii.Num_5: case Byte_ascii.Num_6: case Byte_ascii.Num_7: case Byte_ascii.Num_8: case Byte_ascii.Num_9:
break;
default:
lkp_is_numeric = false;
break;
}
}
fmt_pos += 1;
}
else if (cur_byte == char_escape) {
if (fmt_pos == fmt_end) {
if (fail_when_invalid_escapes)
throw Err_.new_("escape char encountered but no more chars left");
else {
trg_bry[trg_pos] = cur_byte;
break;
}
}
nxt_byte = fmt[fmt_pos + 1];
if (nxt_byte == char_arg_bgn) {
if (trg_pos > 0) {list.Add(Bry_fmtr_itm.dat_(trg_bry, trg_pos)); trg_pos = 0;} // something pending; add it to list
int eval_lhs_bgn = fmt_pos + 2;
if (eval_lhs_bgn < fmt_len && fmt[eval_lhs_bgn] == char_eval_bgn) { // eval found
fmt_pos = Compile_eval_cmd(fmt, fmt_len, eval_lhs_bgn, list);
continue;
}
else {
lkp_is_active = true;
lkp_is_numeric = true;
}
}
else { // ~{0}; ~~ -> ~; ~n -> newLine; ~t -> tab
if (nxt_byte == char_escape) tmp_byte = char_escape;
else if (nxt_byte == char_escape_nl) tmp_byte = Byte_ascii.Nl;
else if (nxt_byte == char_escape_tab) tmp_byte = Byte_ascii.Tab;
else {
if (fail_when_invalid_escapes) throw Err_.new_("unknown escape code").Add("code", Char_.XbyInt(nxt_byte)).Add("fmt_pos", fmt_pos + 1);
else
tmp_byte = cur_byte;
}
trg_bry[trg_pos++] = tmp_byte;
}
fmt_pos += 2;
}
else {
trg_bry[trg_pos++] = cur_byte;
fmt_pos += 1;
}
}
if (lkp_is_active) throw Err_.new_("idx mode not closed");
if (trg_pos > 0) {list.Add(Bry_fmtr_itm.dat_(trg_bry, trg_pos)); trg_pos = 0;}
itms = (Bry_fmtr_itm[])list.To_ary(Bry_fmtr_itm.class);
itms_len = itms.length;
return this;
}
}
