io_wrap.c File Reference

#include "io_wrap.h"
#include "../os/operations.h"
#include "config.h"
#include "utils.h"
#include <assert.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>

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Macros
#define	COLOR_GREEN   "\033[32m"
#define	COLOR_YELLOW   "\033[33m"
#define	COLOR_RED   "\033[31m"
#define	COLOR_BLUE   "\033[34m"
#define	COLOR_BLACK   "\033[30m"
#define	COLOR_WHITE   "\033[97m"
#define	COLOR_DEFAULT   (*io_use_white_text() ? COLOR_WHITE : COLOR_BLACK)

Functions
static bool *	io_use_white_text ()
enum run_result *	last_run_status ()
void	io_set_last_status (enum run_result result)
	Set the result of last command (RUN_OK/RUN_FAIL/...)
void	io_set_text_white ()
	Set default text color to white.
bool *	is_prompt_visible ()
void	io_set_prompt_visibility (bool visible)
	Config if prompt should be printed.
void	prompt_input ()
void	scan_input (struct cmd *obj)
	Ask and convert user's input into command.
void	format_usage (char *fmt,...)
	Used format_xxx instead of printf and such for uniform output.
void	format_success (char *fmt,...)
	Used format_xxx instead of printf and such for uniform output.
void	format_output (char *fmt,...)
	Used format_xxx instead of printf and such for uniform output.
void	format_error (char *fmt,...)
	Used format_xxx instead of printf and such for uniform output.

Macro Definition Documentation

COLOR_BLACK

#define COLOR_BLACK   "\033[30m"

Definition at line 15 of file io_wrap.c.

COLOR_BLUE

#define COLOR_BLUE   "\033[34m"

Definition at line 14 of file io_wrap.c.

Referenced by prompt_input().

COLOR_DEFAULT

#define COLOR_DEFAULT   (*io_use_white_text() ? COLOR_WHITE : COLOR_BLACK)

Definition at line 18 of file io_wrap.c.

Referenced by format_error(), format_output(), format_success(), format_usage(), and prompt_input().

COLOR_GREEN

#define COLOR_GREEN   "\033[32m"

Definition at line 11 of file io_wrap.c.

Referenced by format_success().

COLOR_RED

#define COLOR_RED   "\033[31m"

Definition at line 13 of file io_wrap.c.

Referenced by format_error(), and prompt_input().

COLOR_WHITE

#define COLOR_WHITE   "\033[97m"

Definition at line 16 of file io_wrap.c.

COLOR_YELLOW

#define COLOR_YELLOW   "\033[33m"

Definition at line 12 of file io_wrap.c.

Referenced by format_usage().

Function Documentation

format_error()

void format_error	(	char *	fmt,
			... )

Used format_xxx instead of printf and such for uniform output.

Definition at line 89 of file io_wrap.c.

                                  {
    if(support_color())
        printf(COLOR_RED);
    printf("ERR: ");
    va_list argptr; // NOLINT
    va_start(argptr, fmt);
    vfprintf(stdout, fmt, argptr);
    va_end(argptr);
    if(support_color())
        printf(COLOR_DEFAULT);
}

References COLOR_DEFAULT, COLOR_RED, and support_color().

Referenced by add_path(), cmd_init_from_str(), main(), split_by_whitespaces(), and transform_quotes().

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format_output()

void format_output	(	char *	fmt,
			... )

Used format_xxx instead of printf and such for uniform output.

Definition at line 80 of file io_wrap.c.

                                   {
    if(support_color())
        printf(COLOR_DEFAULT);
    va_list argptr; // NOLINT
    va_start(argptr, fmt);
    vfprintf(stdout, fmt, argptr);
    va_end(argptr);
}

References COLOR_DEFAULT, and support_color().

Referenced by run_get_all_env(), run_get_env(), and run_help().

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format_success()

void format_success	(	char *	fmt,
			... )

Used format_xxx instead of printf and such for uniform output.

Definition at line 69 of file io_wrap.c.

                                    {
    if(support_color())
        printf(COLOR_GREEN);
    va_list argptr; // NOLINT
    va_start(argptr, fmt);
    vfprintf(stdout, fmt, argptr);
    va_end(argptr);
    if(support_color())
        printf(COLOR_DEFAULT);
}

References COLOR_DEFAULT, COLOR_GREEN, and support_color().

Referenced by add_path(), invoke_runner(), and main().

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format_usage()

void format_usage	(	char *	fmt,
			... )

Used format_xxx instead of printf and such for uniform output.

Definition at line 57 of file io_wrap.c.

                                  {
    if(support_color())
        printf(COLOR_YELLOW);
    printf("USAGE: ");
    va_list argptr; // NOLINT
    va_start(argptr, fmt);
    vfprintf(stdout, fmt, argptr);
    va_end(argptr);
    if(support_color())
        printf(COLOR_DEFAULT);
}

References COLOR_DEFAULT, COLOR_YELLOW, and support_color().

Referenced by cmd_init_from_str().

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io_set_last_status()

void io_set_last_status

(

enum run_result

result

)

Set the result of last command (RUN_OK/RUN_FAIL/...)

Definition at line 29 of file io_wrap.c.

                                                {
    *last_run_status() = result;
}

References last_run_status().

Referenced by main().

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io_set_prompt_visibility()

void io_set_prompt_visibility

(

bool

visible

)

Config if prompt should be printed.

Definition at line 42 of file io_wrap.c.

                                            {
    *is_prompt_visible() = visible;
}

References is_prompt_visible().

Referenced by main().

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io_set_text_white()

void io_set_text_white

(

)

Set default text color to white.

Definition at line 33 of file io_wrap.c.

                         {
    *io_use_white_text() = true;
}

References io_use_white_text().

Referenced by main().

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io_use_white_text()

static bool * io_use_white_text ( )

static

Definition at line 19 of file io_wrap.c.

                                 {
    static bool res = false;
    return &res;
}

Referenced by io_set_text_white().

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is_prompt_visible()

bool * is_prompt_visible

(

)

Definition at line 37 of file io_wrap.c.

                          {
    static bool visible = true;
    return &visible;
}

Referenced by io_set_prompt_visibility(), and prompt_input().

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last_run_status()

enum run_result * last_run_status

(

)

Definition at line 24 of file io_wrap.c.

                                   {
    static enum run_result res = RUN_OK;
    return &res;
}

References RUN_OK.

Referenced by io_set_last_status(), and prompt_input().

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prompt_input()

void prompt_input

(

)

Definition at line 101 of file io_wrap.c.

                    {
    os_char buffer[CWD_BUFFER_SIZE];
    get_cwd(CWD_BUFFER_SIZE, buffer);
    if(!*is_prompt_visible()) {
        return;
    }
    switch(*last_run_status()) {
    case RUN_OK:
        if(support_color())
            printf(COLOR_BLUE);
        printf("%s\n-> ", buffer);
        break;
    case RUN_EXIT:
        break;
    case RUN_FAILED:
        if(support_color())
            printf(COLOR_BLUE "%s\n" COLOR_RED ":( -> ", buffer);
        else
            printf("%s\n:( -> ", buffer);
        break;
    default:
        assert(false && "unimplemented");
    }
    if(support_color()) {
        printf(COLOR_DEFAULT);
    }
}

References COLOR_BLUE, COLOR_DEFAULT, COLOR_RED, CWD_BUFFER_SIZE, get_cwd(), is_prompt_visible(), last_run_status(), RUN_EXIT, RUN_FAILED, RUN_OK, and support_color().

Referenced by scan_input().

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scan_input()

void scan_input

(

struct cmd *

obj

)

Ask and convert user's input into command.

Definition at line 47 of file io_wrap.c.

                                 {
    prompt_input();
    char buffer[INPUT_BUFFER_SIZE] = {0};
    if(!fgets(buffer, INPUT_BUFFER_SIZE, stdin)) {
        cmd_init_from_str(obj, "exit");
    } else {
        cmd_init_from_str(obj, buffer);
    }
}

References cmd_init_from_str(), INPUT_BUFFER_SIZE, and prompt_input().

Referenced by main().

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