Partial revert '#if 0' cleanup

Partially revert 41216d5ad4c722e2ad9f15c968af454fc7566d5e

Some of this code had comments to be left as is for readability,
or comment the code should be kept.
Other functions were only for debugging.

1 files changed, 172 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/text.c b/source/blender/blenkernel/intern/text.c
index 5dc8d6133eb..d512c4ac78e 100644
--- a/source/blender/blenkernel/intern/text.c
+++ b/source/blender/blenkernel/intern/text.c
@@ -1472,6 +1472,178 @@ static void txt_undo_end(Text *UNUSED(text), TextUndoBuf *utxt)
 	utxt->buf[undo_pos_end] = '\0';
 }
 
+/* Call once undo is done. */
+#ifndef NDEBUG
+
+#endif
+
+#if 0  /* UNUSED */
+static void dump_buffer(TextUndoBuf *utxt)
+{
+	int i = 0;
+
+	while (i++ < utxt->undo_pos) printf("%d: %d %c\n", i, utxt->buf[i], utxt->buf[i]);
+}
+
+/* Note: this function is outdated and must be updated if needed for future use */
+void txt_print_undo(Text *text)
+{
+	int i = 0;
+	int op;
+	const char *ops;
+	int linep, charp;
+
+	dump_buffer(text);
+
+	printf("---< Undo Buffer >---\n");
+
+	printf("UndoPosition is %d\n", utxt->pos);
+
+	while (i <= utxt->pos) {
+		op = utxt->buf[i];
+
+		if (op == UNDO_INSERT_1) {
+			ops = "Insert ascii ";
+		}
+		else if (op == UNDO_INSERT_2) {
+			ops = "Insert 2 bytes ";
+		}
+		else if (op == UNDO_INSERT_3) {
+			ops = "Insert 3 bytes ";
+		}
+		else if (op == UNDO_INSERT_4) {
+			ops = "Insert unicode ";
+		}
+		else if (op == UNDO_BS_1) {
+			ops = "Backspace for ascii ";
+		}
+		else if (op == UNDO_BS_2) {
+			ops = "Backspace for 2 bytes ";
+		}
+		else if (op == UNDO_BS_3) {
+			ops = "Backspace for 3 bytes ";
+		}
+		else if (op == UNDO_BS_4) {
+			ops = "Backspace for unicode ";
+		}
+		else if (op == UNDO_DEL_1) {
+			ops = "Delete ascii ";
+		}
+		else if (op == UNDO_DEL_2) {
+			ops = "Delete 2 bytes ";
+		}
+		else if (op == UNDO_DEL_3) {
+			ops = "Delete 3 bytes ";
+		}
+		else if (op == UNDO_DEL_4) {
+			ops = "Delete unicode ";
+		}
+		else if (op == UNDO_DBLOCK) {
+			ops = "Delete text block";
+		}
+		else if (op == UNDO_IBLOCK) {
+			ops = "Insert text block";
+		}
+		else if (op == UNDO_INDENT) {
+			ops = "Indent ";
+		}
+		else if (op == UNDO_UNINDENT) {
+			ops = "Unindent ";
+		}
+		else if (op == UNDO_COMMENT) {
+			ops = "Comment ";
+		}
+		else if (op == UNDO_UNCOMMENT) {
+			ops = "Uncomment ";
+		}
+		else {
+			ops = "Unknown";
+		}
+
+		printf("Op (%o) at %d = %s", op, i, ops);
+		if (op >= UNDO_INSERT_1 && op <= UNDO_DEL_4) {
+			i++;
+			printf(" - Char is ");
+			switch (op) {
+				case UNDO_INSERT_1: case UNDO_BS_1: case UNDO_DEL_1:
+					printf("%c", utxt->buf[i]);
+					i++;
+					break;
+				case UNDO_INSERT_2: case UNDO_BS_2: case UNDO_DEL_2:
+					printf("%c%c", utxt->buf[i], utxt->buf[i + 1]);
+					i += 2;
+					break;
+				case UNDO_INSERT_3: case UNDO_BS_3: case UNDO_DEL_3:
+					printf("%c%c%c", utxt->buf[i], utxt->buf[i + 1], utxt->buf[i + 2]);
+					i += 3;
+					break;
+				case UNDO_INSERT_4: case UNDO_BS_4: case UNDO_DEL_4:
+				{
+					unsigned int uc;
+					char c[BLI_UTF8_MAX + 1];
+					size_t c_len;
+					uc = utxt->buf[i]; i++;
+					uc = uc + (utxt->buf[i] << 8); i++;
+					uc = uc + (utxt->buf[i] << 16); i++;
+					uc = uc + (utxt->buf[i] << 24); i++;
+					c_len = BLI_str_utf8_from_unicode(uc, c);
+					c[c_len] = '\0';
+					puts(c);
+					break;
+				}
+			}
+		}
+		else if (op == UNDO_DBLOCK || op == UNDO_IBLOCK) {
+			i++;
+
+			linep = utxt->buf[i]; i++;
+			linep = linep + (utxt->buf[i] << 8); i++;
+			linep = linep + (utxt->buf[i] << 16); i++;
+			linep = linep + (utxt->buf[i] << 24); i++;
+
+			printf(" (length %d) <", linep);
+
+			while (linep > 0) {
+				putchar(utxt->buf[i]);
+				linep--; i++;
+			}
+
+			linep = utxt->buf[i]; i++;
+			linep = linep + (utxt->buf[i] << 8); i++;
+			linep = linep + (utxt->buf[i] << 16); i++;
+			linep = linep + (utxt->buf[i] << 24); i++;
+			printf("> (%d)", linep);
+		}
+		else if (op == UNDO_INDENT || op == UNDO_UNINDENT) {
+			i++;
+
+			charp = utxt->buf[i]; i++;
+			charp = charp + (utxt->buf[i] << 8); i++;
+
+			linep = utxt->buf[i]; i++;
+			linep = linep + (utxt->buf[i] << 8); i++;
+			linep = linep + (utxt->buf[i] << 16); i++;
+			linep = linep + (utxt->buf[i] << 24); i++;
+
+			printf("to <%d, %d> ", linep, charp);
+
+			charp = utxt->buf[i]; i++;
+			charp = charp + (utxt->buf[i] << 8); i++;
+
+			linep = utxt->buf[i]; i++;
+			linep = linep + (utxt->buf[i] << 8); i++;
+			linep = linep + (utxt->buf[i] << 16); i++;
+			linep = linep + (utxt->buf[i] << 24); i++;
+
+			printf("from <%d, %d>", linep, charp);
+		}
+
+		printf(" %d\n",  i);
+		i++;
+	}
+}
+#endif
+
 static void txt_undo_store_uint16(char *undo_buf, int *undo_pos, unsigned short value)
 {
 	undo_buf[*undo_pos] = (value) & 0xff;