1 files changed, 113 insertions, 0 deletions
diff --git a/src/js/lib/str.js b/src/js/lib/str.js
new file mode 100644
index 0000000..31621bf
--- /dev/null
+++ b/src/js/lib/str.js
@@ -0,0 +1,113 @@
+/*
+ *  currently unused (iirc) garbage
+ *  basically just prints an address than the uint32_t there, and then +4, etc
+ */
+function prim_dump_u32(buf) {
+	s = "";
+
+	for (var i = 0; i < buf.length; i += 4) {
+		tmp = [];
+
+		tmp.push(buf[i + 0]);
+		tmp.push(buf[i + 1]);
+		tmp.push(buf[i + 2]);
+		tmp.push(buf[i + 3]);
+
+		s += "0x" + pad_left((0x422200 + i).toString(16), "0", 8);
+		s += ": ";
+		s += "0x" + pad_left(u8x4_to_u32(tmp).toString(16), "0", 8);
+		if (u8x4_to_u32(tmp) >= 0x1800000 && u8x4_to_u32(tmp) < 0x1900000) {
+			s += " -> 0x" + pad_left(read_u32(u8x4_to_u32(tmp)).toString(16), "0", 8);
+			s += "\n";
+			val = read_u32(u8x4_to_u32(tmp));
+			if (val >= 0x1800000 && val < 0x1900000) {
+				buf = read_buf(val, 0x100);
+				s += (hexdump(buf, 8, 2, val, 8, "0x"));
+			}
+		}
+		s += "\n";
+	}
+
+	return s;
+}
+
+/*
+ *  pad str to n chars with c chars to the left
+*/
+function pad_left(s, c, n) {
+	s_ = s;
+
+	if (s_.length < n) {
+		s_ = c.repeat(n - s_.length) + s_;
+	}
+
+	return s_;
+}
+
+/*
+ *  convert ASCII str to uint8array (unicode be damned)
+ */
+function str_to_uint8_buf(s) {
+	buf = new Uint8Array(s.length);
+
+	for (i = 0; i < s.length; i++) {
+		buf[i] = s.charCodeAt(i);
+	}
+
+	return buf;
+}
+
+/*
+ *  HOLY UGLY BATMAN!
+ */
+function hexdump(buf, cols, col_split, base, pad_base, base_prefix) {
+	s = "";
+	if (buf.constructor != Uint8Array) {
+		buf = str_to_uint8_buf(buf);
+	}
+
+	for (i = 0; i < buf.length; i += (cols * col_split)) {
+		cur_base = base + i;
+		s += base_prefix + pad_left(cur_base.toString(16), "0", pad_base) + ": ";
+		for (j = i; j < (i + (cols * col_split)); j += col_split) {
+			for (k = j; k < (j + col_split); k++) {
+				val = buf[k];
+				try {
+					s += pad_left(val.toString(16), "0", 2);
+				} catch (e) {
+					s += "	";
+				}
+			}
+			s += " ";
+		}
+
+		for (j = i; j < (i + (cols * col_split)); j++) {
+			val = buf[j];
+
+			if (val < 0x20 || val >= 0x80) {
+				val = 0x2e; // period
+			}
+
+			chr = String.fromCharCode(val);
+			s += chr;
+		}
+
+		s += "\n";
+	}
+
+	return s;
+}
+
+/*
+ *  HEX SHIT
+ */
+function prim_hexdump(buf) {
+	s = "";
+
+	for (i = 0; i < buf.length; i++) {
+		val = buf[i];
+		s += pad_left(val.toString(16), "0", 2);
+	}
+
+	return s;
+}