fx/term/print.c

#include "print.h"

#include <fx/core/hash.h>
#include <fx/term/print.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>

#define F_BLACK      "[black]"
#define F_RED        "[red]"
#define F_YEL        "[yellow]"
#define F_CYN        "[cyan]"

#define F_BLACK_BOLD "[bold,black]"
#define F_RED_BOLD   "[bold,red]"
#define F_YEL_BOLD   "[bold,yellow]"
#define F_CYN_BOLD   "[bold,cyan]"

#define F_BLACK_BG   "[bg_black]"
#define F_RED_BG     "[bg_reg]"
#define F_YEL_BG     "[bg_yellow]"
#define F_CYN_BG     "[bg_cyan]"

#define F_RESET      "[reset]"

typedef fx_status (*print_function)(struct fx_tty *tty, const char *s);

static int print_no_ansi(FILE *fp, const char *str)
{
	int out = 0;

	for (size_t i = 0; str[i]; i++) {
		if (str[i] != '\033') {
			fputc(str[i], fp);
			out++;
			continue;
		}

		while (str[i] && !isalpha(str[i])) {
			i++;
		}
	}

	return out;
}

static fx_status print_normal(struct fx_tty *tty, const char *s)
{
	return FX_SUCCESS;
}

static fx_status print_i(struct fx_tty *tty, const char *s)
{
	struct fx_paragraph_format format = {0};
	format.p_left_margin = 5;
	format.p_right_margin = 5;
	format.p_flags = FX_PARAGRAPH_DONT_INDENT_FIRST_LINE
	               | FX_PARAGRAPH_MULTI_LINE_BREAK;

	// printf(F_CYN_BG F_BLACK "    i " F_RESET " ");
	fx_tty_puts(tty, 0, F_CYN_BOLD "  i:" F_RESET " ");
	fx_print_paragraph(s, tty, &format);

	return FX_SUCCESS;
}

static fx_status print_warn(struct fx_tty *tty, const char *s)
{
	struct fx_paragraph_format format = {0};
	format.p_left_margin = 5;
	format.p_right_margin = 5;
	format.p_flags = FX_PARAGRAPH_DONT_INDENT_FIRST_LINE
	               | FX_PARAGRAPH_MULTI_LINE_BREAK;

	// printf(F_YEL_BG F_BLACK " Warn " F_RESET " ");
	fx_tty_puts(tty, 0, F_YEL_BOLD "  !!" F_RESET " ");
	fx_print_paragraph(s, tty, &format);

	return FX_SUCCESS;
}

static fx_status print_err(struct fx_tty *tty, const char *s)
{
	struct fx_paragraph_format format = {0};
	format.p_left_margin = 5;
	format.p_right_margin = 5;
	format.p_flags = FX_PARAGRAPH_DONT_INDENT_FIRST_LINE
	               | FX_PARAGRAPH_MULTI_LINE_BREAK;

	// printf(F_RED_BG F_BLACK "  Err " F_RESET " ");
	fx_tty_puts(tty, 0, F_RED_BOLD "Err:" F_RESET " ");
	fx_print_paragraph(s, tty, &format);

	return FX_SUCCESS;
}

static print_function format_printers[] = {
	[FX_PRINT_NORMAL] = print_normal,
	[FX_PRINT_I] = print_i,
	[FX_PRINT_WARN] = print_warn,
	[FX_PRINT_ERR] = print_err,
};
static size_t nr_format_printers
	= sizeof format_printers / sizeof format_printers[FX_PRINT_NORMAL];

fx_status fx_print(fx_print_format format, const char *str, ...)
{
	char buf[1024];

	va_list arg;
	va_start(arg, str);
	vsnprintf(buf, sizeof buf, str, arg);
	va_end(arg);

	if (format >= nr_format_printers) {
		return FX_ERR_INVALID_ARGUMENT;
	}

	print_function printer = format_printers[format];
	if (!printer) {
		return FX_ERR_INVALID_ARGUMENT;
	}

	return printer(fx_stdtty, buf);
}

int fx_putc(char c)
{
	return fx_tty_putc(fx_stdtty, 0, c);
}

int fx_puts(const char* s)
{
	return fx_tty_puts(fx_stdtty, 0, s);
}

int fx_printf(const char* format, ...)
{
	va_list arg;
	va_start(arg, format);
	int x = fx_tty_vprintf(
		fx_stdtty, FX_TTY_DISABLE_INTERPOLATED_FORMATTING, format, arg);
	va_end(arg);
	return x;
}