initial release

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>

1 files changed, 74 insertions, 0 deletions

diff --git a/src/internal.h b/src/internal.h
new file mode 100644
index 0000000..7ea8a5e
--- /dev/null
+++ b/src/internal.h
@@ -0,0 +1,74 @@
+#ifndef _JSON_INTERNAL_H_
+#define _JSON_INTERNAL_H_
+
+#include <stdlib.h>
+
+#include <json.h>
+
+struct raw_json {
+	const char *data;
+	size_t size;
+	size_t index;
+};
+
+inline static void skip_ws(struct raw_json *raw) {
+	// empty loop to move i along until we hit a non-whitespace
+	while (raw->index < raw->size &&
+			(raw->data[raw->index] == ' ' ||
+			 raw->data[raw->index] == '\n' ||
+			 raw->data[raw->index] == '\r' ||
+			 raw->data[raw->index] == '\t'))
+	{
+		raw->index++;
+	}
+}
+
+inline static bool init_children(struct json *obj) {
+	const size_t starting_size = 4;
+	obj->children = calloc(sizeof(*obj->children) + (sizeof(*obj->children->items) * starting_size), 1);
+	if (!obj->children)
+		return false;
+	obj->children->maxitems = starting_size;
+	obj->children->nitems = 0;
+	return true;
+}
+
+
+inline static void add_children(struct json *dest, struct json *src) {
+	struct json_children *children = dest->children;
+	if (children->nitems + 1 >= children->maxitems) {
+		children->maxitems += 5;
+		children = realloc(children, sizeof(*children) + (sizeof(*children->items) * children->maxitems));
+		if (!children)
+			return;
+		dest->children = children;
+	}
+
+	src->parent = dest;
+	src->index = children->nitems;
+
+	if (children->nitems > 0) {
+		children->items[children->nitems - 1]->next = src;
+		src->prev = children->items[children->nitems - 1];
+	}
+
+	children->items[children->nitems++] = src;
+	src->parent = dest;
+}
+
+inline static void adjust_pointers(struct json* from, struct json* to) {
+	to->prev = from->prev;
+	to->next = from->next;
+	if (from->prev) from->prev->next = to;
+	if (from->next) from->next->prev = to;
+}
+
+
+enum json_parse_result parse_value(struct json **json_out, struct raw_json *raw, size_t depth);
+enum json_parse_result parse_object(struct json **json_out, struct raw_json *raw, size_t depth);
+enum json_parse_result parse_array(struct json **json_out, struct raw_json *raw, size_t depth);
+enum json_parse_result parse_raw_string(char **str_out, struct raw_json *raw);
+enum json_parse_result parse_string(struct json **json_out, struct raw_json *raw);
+enum json_parse_result parse_literal(struct json **json_out, struct raw_json *raw);
+
+#endif