From 3d10d02620a0e587d765f6042ab05f530b201c39 Mon Sep 17 00:00:00 2001 From: Freya Murphy Date: Thu, 14 Dec 2023 19:38:55 -0500 Subject: initial stable --- src/tag.c | 195 -------------------------------------------------------------- 1 file changed, 195 deletions(-) delete mode 100644 src/tag.c (limited to 'src/tag.c') diff --git a/src/tag.c b/src/tag.c deleted file mode 100644 index ded1c07..0000000 --- a/src/tag.c +++ /dev/null @@ -1,195 +0,0 @@ -#include "tag.h" -#include "lib.h" -#include -#include -#include - -bool tag_read_header(tag_t *tag, stream_t *stream, bool named) { - bool ok = true; - - if (stream_read_i8(stream, &tag->type) == false) - return false; - - if (tag->type == TAG_END) - named = false; - - if (named) { - if (stream_read_u16(stream, &tag->name_len) == false) - return false; - } else { - tag->name_len = 0; - } - - if (tag->name_len < 1) { - tag->name = ""; - } else { - tag->name = xalloc(tag->name_len); - ok = stream_read(stream, &tag->name, tag->name_len); - } - - if (!ok) - return false; - - return true; -} - - -static bool tag_read_byte_array(tagdata_t *data, stream_t *stream) { - if (stream_read_i32(stream, &data->b_arr.size) == false) - return false; - data->b_arr.data = xalloc(data->b_arr.size * sizeof(int8_t)); - for (int32_t i = 0; i < data->b_arr.size; i++) - if (stream_read_i8(stream, &data->b_arr.data[i]) == false) - return false; - return true; -} - -static bool tag_read_int_array(tagdata_t *data, stream_t *stream) { - if (stream_read_i32(stream, &data->i_arr.size) == false) - return false; - data->i_arr.data = xalloc(data->i_arr.size * sizeof(int32_t)); - for (int32_t i = 0; i < data->i_arr.size; i++) - if (stream_read_i32(stream, &data->i_arr.data[i]) == false) - return false; - return true; -} - -static bool tag_read_long_array(tagdata_t *data, stream_t *stream) { - if (stream_read_i32(stream, &data->l_arr.size) == false) - return false; - data->l_arr.data = xalloc(data->l_arr.size * sizeof(int64_t)); - for (int32_t i = 0; i < data->l_arr.size; i++) - if (stream_read_i64(stream, &data->l_arr.data[i]) == false) - return false; - return true; -} - -static bool tag_read_string(tagdata_t *data, stream_t *stream) { - if (stream_read_u16(stream, &data->string.size) == false) - return false; - data->string.data = xalloc(data->string.size); - if (stream_read(stream, &data->string.data, data->string.size) == false) - return false; - return true; -} - -static bool tag_read_list(tagdata_t *data, stream_t *stream) { - if (stream_read_i8(stream, &data->list.type) == false) - return false; - if (stream_read_i32(stream, &data->list.size) == false) - return false; - if (data->list.size <= 0) { - data->list.tags = NULL; - return true; - } else if (data->list.type == 0) { - // tag end is not allowed to be used with non empty list - return false; - } - data->list.tags = xalloc(data->list.size * sizeof(tag_t)); - for (int32_t i = 0; i < data->list.size; i++) { - tag_t tag; - tag.type = data->list.type; - tag.name = ""; - tag.name_len = 0; - if (tag_read_data(&tag, stream) == false) - return false; - data->list.tags[i] = tag; - } - return true; -} - -static bool tag_read_compound(tagdata_t *data, stream_t *stream) { - printf("entering tag read compound\n"); - int32_t size = 0; - int32_t capacity = 8; - tag_t *tags = xalloc(capacity * sizeof(tag_t)); - - while (1) { - - tag_t tag; - - if (tag_read_header(&tag, stream, true) == false) - return false; - - if (tag.type == TAG_END) - break; - - if (tag_read_data(&tag, stream) == false) - return false; - - if (size == capacity) { - capacity *= 2; - tags = xrealloc(tags, capacity * sizeof(tag_t)); - } - - tags[size++] = tag; - } - - data->compound.size = size; - data->compound.tags = xalloc(size * sizeof(tag_t)); - memcpy(data->compound.tags, tags, size * sizeof(tag_t)); - free(tags); - - printf("returning from tag read compound\n"); - return true; -} - -bool tag_read_data(tag_t *tag, stream_t *stream) { - printf("READING THE FUCKING DATA!!!!\n"); - void *p = NULL; - printf("%p\n", (void*)&p); - bool ok = true; - - switch (tag->type) { - case TAG_END: - // tag has no data - break; - case TAG_BYTE: - ok = stream_read_i8(stream, &tag->data.b); - break; - case TAG_SHORT: - ok = stream_read_i16(stream, &tag->data.s); - break; - case TAG_FLOAT: - case TAG_INT: - ok = stream_read_i32(stream, &tag->data.i); - break; - case TAG_DOUBLE: - case TAG_LONG: - ok = stream_read_i64(stream, &tag->data.l); - break; - case TAG_BYTE_ARRAY: - ok = tag_read_byte_array(&tag->data, stream); - break; - case TAG_STRING: - ok = tag_read_string(&tag->data, stream); - break; - case TAG_LIST: - ok = tag_read_list(&tag->data, stream); - break; - case TAG_COMPOUND: - printf("TAG OWO TAG OWO\n"); - ok = tag_read_compound(&tag->data, stream); - printf("TAG OWO TAG OWO PART 2\n"); - break; - case TAG_INT_ARRAY: - ok = tag_read_int_array(&tag->data, stream); - break; - case TAG_LONG_ARRAY: - ok = tag_read_long_array(&tag->data, stream); - break; - break; - }; - printf("read tag: %d\n", tag->type); - return ok; -} - -bool tag_read(tag_t *tag, stream_t *stream, bool named) { - memset(tag, 0, sizeof(tag_t)); - if (tag_read_header(tag, stream, named) == false) - return false; - if (tag_read_data(tag, stream) == false) - return false; - return true; -} - -- cgit v1.2.3-freya