#ifndef LINE_SOURCE_H_
#define LINE_SOURCE_H_

#include "file-span.h"
#include "status.h"

#include <blue/core/stream.h>
#include <blue/ds/array.h>
#include <blue/ds/string.h>

struct line_source {
	b_stream *s_stream;
	const char *s_path;
	b_string *s_linebuf;
	b_iterator *s_linebuf_ptr;
	b_array *s_lines;

	struct file_cell s_cursor;
};

extern enum status line_source_init(
	struct line_source *src,
	const char *path,
	b_stream *stream);
extern void line_source_cleanup(struct line_source *src);

extern const char *line_source_get_path(const struct line_source *src);
extern const struct file_cell *line_source_get_cursor(
	const struct line_source *src);
extern b_wchar line_source_peekc(struct line_source *src);
extern b_wchar line_source_getc(struct line_source *src);
extern enum status line_source_get_row(
	struct line_source *src,
	size_t row,
	const b_string **out);

extern bool line_source_input_available(struct line_source *src);

#endif