add term module from corelib

term/print.c

@@ -0,0 +1,171 @@
+#include "print.h"
+
+#include <blue/term.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#define F_BLACK      "\033[30m"
+#define F_RED        "\033[91m"
+#define F_YEL        "\033[93m"
+#define F_CYN        "\033[96m"
+
+#define F_BLACK_BOLD "\033[1;30m"
+#define F_RED_BOLD   "\033[1;91m"
+#define F_YEL_BOLD   "\033[1;93m"
+#define F_CYN_BOLD   "\033[1;96m"
+
+#define F_BLACK_BG   "\033[40m"
+#define F_RED_BG     "\033[101m"
+#define F_YEL_BG     "\033[103m"
+#define F_CYN_BG     "\033[106m"
+
+#define F_RESET      "\033[0m"
+
+typedef b_status (*print_function)(FILE *fp, const char *s);
+
+static int print(FILE *fp, const char *str)
+{
+	return fputs(str, fp);
+}
+
+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 b_status print_normal(FILE *fp, const char *s)
+{
+	return B_SUCCESS;
+}
+
+static b_status print_i(FILE *fp, const char *s)
+{
+	b_paragraph_format format = {};
+	format.p_left_margin = 5;
+	format.p_right_margin = 5;
+	format.p_flags = B_PARAGRAPH_DONT_INDENT_FIRST_LINE
+	               | B_PARAGRAPH_MULTI_LINE_BREAK;
+
+	// printf(F_CYN_BG F_BLACK "    i " F_RESET " ");
+	b_fprintf(fp, F_CYN_BOLD "  i:" F_RESET " ");
+	b_print_paragraph(s, fp, &format);
+
+	return B_SUCCESS;
+}
+
+static b_status print_warn(FILE *fp, const char *s)
+{
+	b_paragraph_format format = {};
+	format.p_left_margin = 5;
+	format.p_right_margin = 5;
+	format.p_flags = B_PARAGRAPH_DONT_INDENT_FIRST_LINE
+	               | B_PARAGRAPH_MULTI_LINE_BREAK;
+
+	// printf(F_YEL_BG F_BLACK " Warn " F_RESET " ");
+	b_fprintf(fp, F_YEL_BOLD "  !!" F_RESET " ");
+	b_print_paragraph(s, fp, &format);
+
+	return B_SUCCESS;
+}
+
+static b_status print_err(FILE *fp, const char *s)
+{
+	b_paragraph_format format = {};
+	format.p_left_margin = 5;
+	format.p_right_margin = 5;
+	format.p_flags = B_PARAGRAPH_DONT_INDENT_FIRST_LINE
+	               | B_PARAGRAPH_MULTI_LINE_BREAK;
+
+	// printf(F_RED_BG F_BLACK "  Err " F_RESET " ");
+	b_fprintf(fp, F_RED_BOLD "Err:" F_RESET " ");
+	b_print_paragraph(s, fp, &format);
+
+	return B_SUCCESS;
+}
+
+static print_function format_printers[] = {
+	[B_PRINT_NORMAL] = print_normal,
+	[B_PRINT_I] = print_i,
+	[B_PRINT_WARN] = print_warn,
+	[B_PRINT_ERR] = print_err,
+};
+static size_t nr_format_printers
+	= sizeof format_printers / sizeof format_printers[B_PRINT_NORMAL];
+
+b_status b_print(b_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 B_ERR_INVALID_ARGUMENT;
+	}
+
+	print_function printer = format_printers[format];
+	if (!printer) {
+		return B_ERR_INVALID_ARGUMENT;
+	}
+
+	return printer(stdout, buf);
+}
+
+static int b_vfprintf(FILE *fp, const char *format, va_list arg)
+{
+	char str[1024];
+
+	vsnprintf(str, sizeof str, format, arg);
+
+	if (z__b_stream_is_tty(fp)) {
+		return print(fp, str);
+	}
+
+	return print_no_ansi(fp, str);
+}
+
+int b_fputs(const char *str, FILE *fp)
+{
+	if (z__b_stream_is_tty(fp)) {
+		return print(fp, str);
+	}
+
+	return print_no_ansi(fp, str);
+}
+
+int b_printf(const char *format, ...)
+{
+	va_list arg;
+	va_start(arg, format);
+	int len = b_vfprintf(stdout, format, arg);
+	va_end(arg);
+
+	return len;
+}
+
+int b_fprintf(FILE *fp, const char *format, ...)
+{
+	va_list arg;
+	va_start(arg, format);
+	int len = b_vfprintf(fp, format, arg);
+	va_end(arg);
+
+	return len;
+}