initial stable

1 files changed, 95 insertions, 0 deletions

diff --git a/src/tag_print.c b/src/tag_print.c
new file mode 100644
index 0000000..9612698
--- /dev/null
+++ b/src/tag_print.c
@@ -0,0 +1,95 @@
+#include "tag.h"
+#include <stdarg.h>
+#include <stdio.h>
+
+__attribute__((format(printf, 2, 3)))
+static void printi(int depth, const char *format, ...) {
+	for (int i = 0; i < depth; i++)
+		printf("\t");
+	va_list list;
+	va_start(list, format);
+	vprintf(format, list);
+}
+
+static void tag_print_impl(const tag_t *tag, int depth);
+
+static void tag_print_data(const tag_t *tag, int depth) {
+	switch (tag->type) {
+        case TAG_BYTE:
+			printf("%hhd", tag->data.b);
+			break;
+        case TAG_SHORT:
+			printf("%hd", tag->data.s);
+			break;
+        case TAG_INT:
+			printf("%d", tag->data.i);
+			break;
+        case TAG_LONG:
+			printf("%ld", tag->data.l);
+			break;
+        case TAG_FLOAT:
+			printf("%f", tag->data.f);
+			break;
+        case TAG_DOUBLE:
+			printf("%lf", tag->data.d);
+			break;
+        case TAG_BYTE_ARRAY:
+			printf("[");
+			for (int32_t i = 0; i < tag->data.b_arr.size; i++)
+				printf("%hhd,", tag->data.b_arr.data[i]);
+			printf("\b]");
+			break;
+        case TAG_STRING:
+			if (tag->data.string.size > 1)
+				printf("\"%.*s\"", tag->data.string.size, tag->data.string.data);
+			else
+				printf("\"\"");
+			break;
+        case TAG_LIST:
+			printf("[\n");
+			for (int32_t i = 0; i < tag->data.list.size; i++) {
+				if (i != 0) printf(",\n");
+				tag_print_impl(&tag->data.list.tags[i], depth + 1);
+			}
+			printf("\n");
+			printi(depth, "]");
+			break;
+        case TAG_COMPOUND:
+			printf("{\n");
+			for (int32_t i = 0; i < tag->data.compound.size; i++) {
+				if (i != 0) printf(",\n");
+				tag_print_impl(&tag->data.compound.tags[i], depth + 1);
+			}
+			printf("\n");
+			printi(depth, "}");
+			break;
+        case TAG_INT_ARRAY:
+			printi(depth, "[");
+			for (int32_t i = 0; i < tag->data.i_arr.size; i++)
+				printf("%d,", tag->data.i_arr.data[i]);
+			printf("\b]");
+			break;
+        case TAG_LONG_ARRAY:
+			printf("[");
+			for (int32_t i = 0; i < tag->data.l_arr.size; i++)
+				printf("%ld,", tag->data.l_arr.data[i]);
+			printf("\b]");
+			break;
+        case TAG_END:
+          break;
+        }
+}
+
+static void tag_print_impl(const tag_t *tag, int depth) {
+	if (tag->name_len > 0) {
+		printi(depth, "\"%.*s\":\t", tag->name_len, tag->name);
+	} else {
+		for (int i = 0; i < depth; i++) printf("\t");
+	}
+	tag_print_data(tag, depth);
+}
+
+void tag_print(const tag_t *tag) {
+	tag_print_impl(tag, 0);
+	printf("\n");
+}