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ui_stdio.c
170 lines (130 loc) · 3.53 KB
/
ui_stdio.c
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/**
* MojoPatch; a tool for updating data in the field.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "platform.h"
#include "ui.h"
static void ui_title_stdio(const char *str)
{
printf("=== %s ===\n\n", str);
} /* ui_title_stdio */
static void ui_real_deinit_stdio(void)
{
printf("\n\nHit enter to quit.\n\n");
getchar();
} /* ui_deinit_stdio */
static void ui_pump_stdio(void)
{
/* no-op. */
} /* ui_pump_stdio */
static void ui_add_to_log_stdio(const char *str, int debugging)
{
printf("%s%s\n", debugging ? "debug: " : "", str);
} /* ui_add_to_log_stdio */
static void ui_fatal_stdio(const char *str)
{
fprintf(stderr, "\n%s\n\n", str);
} /* ui_fatal_stdio */
static void ui_success_stdio(const char *str)
{
fprintf(stderr, "\n%s\n\n", str);
} /* ui_success_stdio */
static void ui_total_progress_stdio(int percent)
{
static int lastpercent = -1;
if (percent != lastpercent)
{
lastpercent = percent;
printf(".");
if (percent == 100)
printf("\n");
} /* if */
} /* ui_total_progress_stdio */
static void ui_status_stdio(const char *str)
{
printf("Current operation: %s\n", str);
} /* ui_status_stdio */
static int ui_prompt_yn_stdio(const char *question)
{
int c;
while (1)
{
printf("%s", question);
c = toupper(getchar());
if (c == 'N')
return(0);
else if ((c == 'Y') || (c == '\r') || (c == '\n'))
return(1);
printf("\n");
} /* while */
return(1);
} /* ui_prompt_yn_stdio */
static int ui_prompt_ny_stdio(const char *question)
{
int c;
while (1)
{
printf("%s", question);
c = toupper(getchar());
if (c == 'Y')
return 1;
else if ((c == 'N') || (c == '\r') || (c == '\n'))
return 0;
printf("\n");
} /* while */
return(0);
} /* ui_prompt_ny_stdio */
static void ui_msgbox_stdio(const char *str)
{
printf("\n\n-----\n%s\n-----\n\nHit enter to continue.\n\n", str);
getchar();
} /* ui_msgbox_stdio */
static int ui_file_picker_stdio(char *buf, size_t bufsize)
{
while (1)
{
size_t len;
puts("Please enter the path, or blank to cancel.\n> ");
buf[0] = '\0';
fgets(buf, bufsize, stdin);
len = strlen(buf);
while ((len > 0) && ((buf[len-1] == '\n') || (buf[len-1] == '\r')))
buf[--len] = '\0';
if (len == 0)
return(0); /* user "cancelled". */
if (file_exists(buf))
return(1); /* user entered valid path. */
puts("That path does not exist. Please try again.\n\n");
} /* while */
return(0); /* should never hit this. */
} /* ui_file_picker_stdio */
static int ui_show_readme_stdio(const char *fname,const char *text)
{
/*
* Cheat for now and push this off to "less", which will warn if the
* readme is a binary file and prompt the user about avoiding it.
*/
size_t allocsize = strlen(fname) + 32;
char *cmd = (char *) alloca(allocsize);
if (!cmd)
{
_fatal("Out of memory.");
return(0);
} /* if */
snprintf(cmd, allocsize, "less %s", fname);
system(cmd); /* !!! FIXME: error check? */
return(1);
} /* ui_show_readme_stdio */
int ui_init_stdio(void)
{
UI_SET_FUNC_POINTERS(stdio);
return(1); /* always succeeds. */
} /* ui_init */
/* end of ui_stdio.c ... */