libhl/include/terminal_hl.h
2023-08-28 16:19:40 -06:00

96 lines
2.8 KiB
C

#include "hl.h"
// Terminal manipulation
#define TERMINAL_RESET "\033[0m"
#define TERMINAL_COLOR_FG_BLACK "\033[30m"
#define TERMINAL_COLOR_FG_RED "\033[31m"
#define TERMINAL_COLOR_FG_GREEN "\033[32m"
#define TERMINAL_COLOR_FG_YELLOW "\033[33m"
#define TERMINAL_COLOR_FG_BLUE "\033[34m"
#define TERMINAL_COLOR_FG_MAGENTA "\033[35m"
#define TERMINAL_COLOR_FG_CYAN "\033[36m"
#define TERMINAL_COLOR_FG_WHITE "\033[37m"
#define TERMINAL_COLOR_BG_BLACK "\033[40m"
#define TERMINAL_COLOR_BG_RED "\033[41m"
#define TERMINAL_COLOR_BG_GREEN "\033[42m"
#define TERMINAL_COLOR_BG_YELLOW "\033[43m"
#define TERMINAL_COLOR_BG_BLUE "\033[44m"
#define TERMINAL_COLOR_BG_MAGENTA "\033[45m"
#define TERMINAL_COLOR_BG_CYAN "\033[46m"
#define TERMINAL_COLOR_BG_WHITE "\033[47m"
#define TERMINAL_STYLE_BOLD "\033[1m"
#define TERMINAL_STYLE_ITALICS "\033[3m"
#define TERMINAL_STYLE_REVERSE "\033[7m"
typedef struct {
const char * attribute;
const char * foreground_color;
const char * background_color;
} terminal_hl_t;
extern display_t * cterm;
extern void cterm_render_callback(const char * const string,
const int length,
void * const attributes);
extern int terminal_hl_init(void);
display_t * cterm = &(display_t) {
.key = "cterm",
.callback = cterm_render_callback
};
void cterm_render_callback(const char * const string,
const int length,
void * const attributes) {
if (!length) {
fputs(TERMINAL_STYLE_BOLD, stdout);
putchar(*string);
fputs(TERMINAL_RESET, stdout);
return;
}
terminal_hl_t * term_hl = (terminal_hl_t*)attributes;
if (term_hl->attribute) {
fputs(term_hl->attribute, stdout);
}
if (term_hl->foreground_color) {
fputs(term_hl->foreground_color, stdout);
}
for (int i = 0; i < length; i++) {
putchar(*(string+i));
}
fputs(TERMINAL_RESET, stdout);
}
void fun(const char * attribute,
const char * color,
hl_group_t * * group){
terminal_hl_t * t = (terminal_hl_t *) malloc(sizeof(terminal_hl_t));
t->attribute = attribute;
t->foreground_color = color;
t->background_color = NULL;
(*group) = (hl_group_t *)malloc(sizeof(hl_group_t));
(*group)->link = NULL;
(*group)->attributes = (void*)t;
}
int terminal_hl_init(void) {
hl_init();
new_display_mode(cterm);
//
fun(TERMINAL_STYLE_BOLD, TERMINAL_COLOR_FG_CYAN, &special_hl);
fun(TERMINAL_STYLE_BOLD, TERMINAL_COLOR_FG_YELLOW, &control_hl);
fun(NULL, TERMINAL_COLOR_FG_YELLOW, &operator_hl);
fun(TERMINAL_STYLE_BOLD, TERMINAL_COLOR_FG_GREEN, &keyword_hl);
fun(TERMINAL_STYLE_BOLD, TERMINAL_COLOR_FG_BLUE, &comment_hl);
fun(TERMINAL_STYLE_BOLD, TERMINAL_COLOR_FG_RED, &string_literal_hl);
return 0;
}