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#ifndef _TEXT_H
#define _TEXT_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "location.h"
#include "utf8.h"
struct text;
enum line_endings {
LineEnding_LF,
LineEnding_CRLF,
};
struct text_chunk {
uint8_t *text;
uint32_t nbytes;
uint32_t line;
bool allocated;
};
struct text *text_create(uint32_t initial_capacity);
void text_destroy(struct text *text);
/**
* Clear the text without reclaiming memory
*/
void text_clear(struct text *text);
void text_insert_at(struct text *text, uint32_t line, uint32_t offset,
uint8_t *bytes, uint32_t nbytes, uint32_t *lines_added);
void text_append(struct text *text, uint8_t *bytes, uint32_t nbytes,
uint32_t *lines_added);
void text_delete(struct text *text, uint32_t start_line, uint32_t start_offset,
uint32_t end_line, uint32_t end_offset);
enum line_endings text_get_line_ending(const struct text *);
size_t text_size(const struct text *text);
uint32_t text_num_lines(const struct text *text);
uint32_t text_line_size(const struct text *text, uint32_t lineidx);
struct utf8_codepoint_iterator
text_line_codepoint_iterator(const struct text *text, uint32_t lineidx);
struct utf8_codepoint_iterator
text_chunk_codepoint_iterator(const struct text_chunk *chunk);
typedef void (*chunk_cb)(struct text_chunk *chunk, void *userdata);
void text_for_each_line(struct text *text, uint32_t line, uint32_t nlines,
chunk_cb callback, void *userdata);
void text_for_each_chunk(struct text *text, chunk_cb callback, void *userdata);
struct text_chunk text_get_line(struct text *text, uint32_t line);
struct text_chunk text_get_region(struct text *text, uint32_t start_line,
uint32_t start_offset, uint32_t end_line,
uint32_t end_offset);
struct text_chunk text_get(struct text *text, void *(*alloc)(size_t size));
enum text_property_type {
TextProperty_Colors,
TextProperty_Data,
};
struct text_property_colors {
bool set_fg;
uint32_t fg;
bool set_bg;
uint32_t bg;
bool underline;
bool inverted;
};
struct text_property {
struct location start;
struct location end;
enum text_property_type type;
union property_data {
struct text_property_colors colors;
void *userdata;
} data;
};
typedef uint64_t layer_id;
enum layer_ids {
PropertyLayer_Default = 0,
};
void text_add_property(struct text *text, uint32_t start_line,
uint32_t start_offset, uint32_t end_line,
uint32_t end_offset, struct text_property property);
void text_add_property_to_layer(struct text *text, uint32_t start_line,
uint32_t start_offset, uint32_t end_line,
uint32_t end_offset,
struct text_property property, layer_id layer);
layer_id text_add_property_layer(struct text *text);
void text_remove_property_layer(struct text *text, layer_id layer);
void text_get_properties(struct text *text, uint32_t line, uint32_t offset,
struct text_property **properties,
uint32_t max_nproperties, uint32_t *nproperties);
void text_get_properties_filtered(struct text *text, uint32_t line,
uint32_t offset,
struct text_property **properties,
uint32_t max_nproperties,
uint32_t *nproperties, layer_id layer);
void text_clear_properties(struct text *text);
void text_clear_property_layer(struct text *text, layer_id layer);
#endif
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