mirror of
https://github.com/luau-lang/luau.git
synced 2025-01-20 09:48:08 +00:00
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
|
/* ----------------------------------------------------------------------------
|
||
|
|
Copyright (c) 2021, Daan Leijen
|
||
|
|
This is free software; you can redistribute it and/or modify it
|
||
|
|
under the terms of the MIT License. A copy of the license can be
|
||
|
|
found in the "LICENSE" file at the root of this distribution.
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
#pragma once
|
||
|
|
#ifndef IC_ATTR_H
|
||
|
|
#define IC_ATTR_H
|
||
|
|
|
||
|
|
#include "common.h"
|
||
|
|
#include "stringbuf.h"
|
||
|
|
|
||
|
|
//-------------------------------------------------------------
|
||
|
|
// text attributes
|
||
|
|
//-------------------------------------------------------------
|
||
|
|
|
||
|
|
#define IC_ON (1)
|
||
|
|
#define IC_OFF (-1)
|
||
|
|
#define IC_NONE (0)
|
||
|
|
|
||
|
|
// try to fit in 64 bits
|
||
|
|
// note: order is important for some compilers
|
||
|
|
// note: each color can actually be 25 bits
|
||
|
|
typedef union attr_s {
|
||
|
|
struct {
|
||
|
|
unsigned int color:28;
|
||
|
|
signed int bold:2;
|
||
|
|
signed int reverse:2;
|
||
|
|
unsigned int bgcolor:28;
|
||
|
|
signed int underline:2;
|
||
|
|
signed int italic:2;
|
||
|
|
} x;
|
||
|
|
uint64_t value;
|
||
|
|
} attr_t;
|
||
|
|
|
||
|
|
ic_private attr_t attr_none(void);
|
||
|
|
ic_private attr_t attr_default(void);
|
||
|
|
ic_private attr_t attr_from_color( ic_color_t color );
|
||
|
|
|
||
|
|
ic_private bool attr_is_none(attr_t attr);
|
||
|
|
ic_private bool attr_is_eq(attr_t attr1, attr_t attr2);
|
||
|
|
|
||
|
|
ic_private attr_t attr_update_with( attr_t attr, attr_t newattr );
|
||
|
|
|
||
|
|
ic_private attr_t attr_from_sgr( const char* s, ssize_t len);
|
||
|
|
ic_private attr_t attr_from_esc_sgr( const char* s, ssize_t len);
|
||
|
|
|
||
|
|
//-------------------------------------------------------------
|
||
|
|
// attribute buffer used for rich rendering
|
||
|
|
//-------------------------------------------------------------
|
||
|
|
|
||
|
|
struct attrbuf_s;
|
||
|
|
typedef struct attrbuf_s attrbuf_t;
|
||
|
|
|
||
|
|
ic_private attrbuf_t* attrbuf_new( alloc_t* mem );
|
||
|
|
ic_private void attrbuf_free( attrbuf_t* ab ); // ab can be NULL
|
||
|
|
ic_private void attrbuf_clear( attrbuf_t* ab ); // ab can be NULL
|
||
|
|
ic_private ssize_t attrbuf_len( attrbuf_t* ab); // ab can be NULL
|
||
|
|
ic_private const attr_t* attrbuf_attrs( attrbuf_t* ab, ssize_t expected_len );
|
||
|
|
ic_private ssize_t attrbuf_append_n( stringbuf_t* sb, attrbuf_t* ab, const char* s, ssize_t len, attr_t attr );
|
||
|
|
|
||
|
|
ic_private void attrbuf_set_at( attrbuf_t* ab, ssize_t pos, ssize_t count, attr_t attr );
|
||
|
|
ic_private void attrbuf_update_at( attrbuf_t* ab, ssize_t pos, ssize_t count, attr_t attr );
|
||
|
|
ic_private void attrbuf_insert_at( attrbuf_t* ab, ssize_t pos, ssize_t count, attr_t attr );
|
||
|
|
|
||
|
|
ic_private attr_t attrbuf_attr_at( attrbuf_t* ab, ssize_t pos );
|
||
|
|
ic_private void attrbuf_delete_at( attrbuf_t* ab, ssize_t pos, ssize_t count );
|
||
|
|
|
||
|
|
#endif // IC_ATTR_H
|