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/*
* Source file:
* print_prompt.c
*/
#include "config.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "trueprint.h"
#include "main.h"
#include "index.h"
#include "utils.h"
#include "options.h"
#include "output.h"
#include "print_prompt.h"
/*
* Public part
*/
char *print_selection;
/*
* Private part
*/
static boolean check_selection(long page_no, char *filename);
static boolean no_prompt_to_print;
/*
* Function:
* setup_print_prompter()
*/
void
setup_print_prompter(void)
{
string_option("A", "print-pages", NULL, &print_selection, NULL, NULL,
OPT_PRINT,
"specify list of pages to be printed");
boolean_option("a", "no-prompt", "prompt", TRUE, &no_prompt_to_print, NULL, NULL,
OPT_PRINT,
"don't prompt for each page, whether it should be printed or not",
"prompt for each page, whether it should be printed or not");
}
/*
* Function:
* print_prompt
*
* Returns whether or not this page should be printed. Uses
* -a and -A information.
*/
boolean
print_prompt(page_types type, long filepage_no, char *filename)
{
char *fn_name;
char prompt[MAXLINELENGTH];
char response[INPUT_LINE_LEN];
char *response_ptr;
boolean retval=UNSET;
static int yes_count=0;
static int no_count=0;
static boolean all_yes=FALSE, all_no=FALSE;
if (pass == 0) return FALSE;
if (all_yes) return TRUE;
if (all_no) return FALSE;
if (print_selection != NULL) return check_selection(page_number, filename);
if (yes_count != 0)
{
yes_count--;
return TRUE;
}
if (no_count != 0)
{
no_count--;
return FALSE;
}
if (no_prompt_to_print==FALSE)
{
switch(type)
{
case PAGE_BODY:
fn_name = get_function_name(page_number);
if (*fn_name)
sprintf(prompt, "Print page %5ld, page %3ld of %s %s(%s%s)?",
page_number, filepage_no, filename, page_changed(page_number)?"[changed]":"", fn_name,
function_changed(page_number)?"[changed]":"");
else
sprintf(prompt, "Print page %5ld, page %3ld of %s %s?",
page_number, filepage_no, filename, page_changed(page_number)?"[changed]":"");
break;
case PAGE_BLANK:
sprintf(prompt, "Print blank page %5ld?", page_number+1);
break;
case PAGE_SPECIAL:
sprintf(prompt, "Print %s?", filename);
break;
default:
abort();
}
while (retval == UNSET)
{
fprintf(stderr, gettext("%s [n] ? for help: "), prompt);
fflush(stderr);
fgets(response,INPUT_LINE_LEN-1,stdin);
response_ptr = response;
skipspaces(&response_ptr);
switch (*response_ptr++)
{
case 'y':
case 'Y':
yes_count = strtol(response_ptr, &response_ptr, 10);
if ((yes_count == 0) && (*response_ptr == '*')) all_yes = TRUE;
if (yes_count == 1) yes_count = 0;
retval = TRUE;
break;
case 'n':
case 'N':
no_count = strtol(response_ptr, &response_ptr, 10);
if ((no_count == 0) && (*response_ptr == '*')) all_no = TRUE;
if (no_count == 1) no_count = 0;
/*FALLTHROUGH*/
case '\0':
retval = FALSE;
break;
case 'p':
case 'P':
print_selection = strdup(response_ptr);
retval = check_selection(page_number, filename);
break;
case '?':
default:
fprintf(stderr, "---------------------------------------------\n");
fprintf(stderr, gettext("y print this page\n"));
fprintf(stderr, gettext("y<n> print <n> pages\n"));
fprintf(stderr, gettext("y* print all remaining pages\n"));
fprintf(stderr, gettext("n skip this page\n"));
fprintf(stderr, gettext("n<n> skip <n> pages\n"));
fprintf(stderr, gettext("n* skip all remaining pages\n"));
fprintf(stderr, gettext("p<list> print all remaining pages that match <list>\n"));
fprintf(stderr, gettext("? show this message\n\n"));
fprintf(stderr, gettext("format for <list>:\n"));
fprintf(stderr, gettext(" comma-separated list of specifiers:\n"));
fprintf(stderr, gettext(" <n> print page <n>\n"));
fprintf(stderr, gettext(" <n>-<o> print all pages from page <n> to <o>\n"));
fprintf(stderr, gettext(" <function-name> print all pages for function\n"));
fprintf(stderr, gettext(" f print function index\n"));
fprintf(stderr, gettext(" F print file index\n"));
fprintf(stderr, gettext(" c print cross reference info\n"));
fprintf(stderr, gettext("e.g. p 1-3,main,5,6 will print pages 1,2,3,5,6 and all\n"));
fprintf(stderr, gettext(" pages for function main.\n"));
fprintf(stderr, "---------------------------------------------\n");
}
}
return retval;
}
return TRUE;
}
/*
* Function:
* check_selection
*
* Returns whether or not this page should be printed, using the -A
* string.
*/
static boolean
check_selection(long page_no, char *filename)
{
char *s_index = print_selection;
long start_page, end_page;
size_t name_length;
char *fn_name = NULL;
if (page_no != 0) fn_name = get_function_name(page_no);
while (*s_index)
{
start_page = strtol(s_index, &s_index, 10);
skipspaces(&s_index);
if ((start_page != 0) && (*s_index == '-'))
{
s_index++;
end_page = strtol(s_index, &s_index, 10);
if ((start_page <= page_no) && (page_no <= end_page)) return TRUE;
skipspaces(&s_index);
}
if ((start_page != 0) && ((*s_index == ',')||(*s_index == '\0')))
{
if (start_page == page_no) return TRUE;
}
if ((start_page == 0) && (*s_index != '\0'))
{
name_length=0;
while ((s_index[name_length] != ',')
&& (s_index[name_length] != '\0')
&& !isspace(s_index[name_length]))
name_length++;
if (name_length == 1)
{
switch (*s_index)
{
case 'f': if (filename && (strcmp(filename, "function index")==0)) return TRUE; break;
case 'F': if (filename && (strcmp(filename, "file index")==0)) return TRUE; break;
case 'd': if (page_changed(page_no)) return TRUE; break;
case 'D': if (function_changed(page_no)) return TRUE; break;
default: fprintf(stderr, gettext(CMD_NAME ": ignoring unrecognized letter %c\n"), *s_index);
}
}
if (fn_name
&& (strlen(fn_name) == name_length)
&& (strncmp(get_function_name(page_no), s_index, name_length) == 0))
return TRUE;
s_index += name_length;
}
skipspaces(&s_index);
if (*s_index == ',') s_index++;
skipspaces(&s_index);
}
return FALSE;
}
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