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#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
/* tailored getline() after the Debian Linux manpage about getline() */
/* tailored in the sense that no tests for str and n being NULL are */
/* performed, and it may be assumed that *str == NULL */
/* This function was added because some systems don't offer */
/* a getline() implementation for C */
static size_t const bufsize = 100;
static void check_memory(void const *s)
{
if (!s)
{
fprintf(stderr, "Out of memory!\n");
exit(1);
}
}
static ssize_t y_getline(char **str, size_t *n, FILE *in)
{
char *dest = malloc(bufsize); /* realloc ok for initial buf */
ssize_t size = 0; /* nothing read yet */
check_memory(dest);
while (fgets(dest + size, (int)bufsize, in)) /* read until \n or EOF */
{
/* check for \n: done if found */
char *newline = strchr(dest + size, '\n');
if (newline)
{
size = newline - dest + 1; /* at \n: `size' is # chars read */
break;
}
size += bufsize - 1; /* max # chars read */
/* expand `dest' by bufsize */
check_memory(dest = realloc(dest, size + bufsize));
}
*str = dest;
*n = size;
return size == 0 ? -1 : size; /* -1 must also be returned on EOF */
/* i.e., when 0 chars were read */
}
int main(int argc, char **argv)
{
FILE *input = NULL;
char *endlabel = 0;
char *indent = 0;
char *label = 0;
char *progName = strrchr(argv[0], '/');
char *verbendl = "\n";
char *vindent = 0;
int endLabelFound = 0;
int labelFound = 0;
int verbOpened = 0;
int nrPrefix = 0;
size_t labelsize = 0;
size_t spaces = 0;
size_t tabs = 0;
size_t verbspaces = 8;
size_t verbtabs = 0;
if (!progName)
progName = argv[0];
else
++progName;
while (1)
{
int c;
switch(c = getopt(argc, argv, "t:s:v:S:V:N"))
{
case 's':
spaces = atoi(optarg);
continue;
case 't':
tabs = atoi(optarg);
continue;
case 'S':
verbspaces = atoi(optarg);
continue;
case 'T':
verbtabs = atoi(optarg);
continue;
case 'N':
verbendl = "";
continue;
case 'n':
nrPrefix = 1;
continue;
case -1:
break;
default:
return 1;
}
break; /* only at case -1 */
}
if (argc - optind < 2)
{
fprintf(stderr, "usage: %s "
"[-n] [-s<nr>] [-t<nr>] [-S<nr>] [-T<nr>] "
"marker file\n"
"See also: `man yodlverbinsert'\n",
progName);
return 1;
}
argv += optind;
label = argv[0];
endlabel = label[1] == '/' ? "//=" : "/**/";
labelsize = strlen(label);
input = fopen(argv[1], "r");
if (!input)
{
fprintf(stderr, "Can't read `%s'\n", argv[1]);
return 1;
}
check_memory(vindent = malloc(verbtabs + verbspaces + 1));
check_memory(indent = malloc(tabs + spaces + 1));
memset(vindent, '\t', verbtabs);
memset(vindent + verbtabs, ' ', verbspaces);
vindent[verbtabs + verbspaces] = 0;
memset(indent, '\t', tabs);
memset(indent + tabs, ' ', spaces);
indent[tabs + spaces] = 0;
while (1)
{
char *line = NULL;
size_t nchars;
if (y_getline(&line, &nchars, input) < 0)
break;
if
(
strstr(line, label) == line /* matching (end)label */
&&
isspace((unsigned char)line[labelsize])
)
{
if (label == endlabel) /* when endlabel: done */
{
endLabelFound = 1;
break;
}
labelFound = 1;
label = endlabel; /* now search endlabel */
labelsize = strlen(endlabel);
continue;
}
if (labelFound)
{
if (!verbOpened)
{
verbOpened = 1;
printf("%sverb(%s", vindent, verbendl);
}
if (
if (nrPrefix == 0)
printf("%s%s", indent, line);
else
printf("%s%2d: %s", indent, nrPrefix++, line);
}
free(line);
}
fclose(input); /* to make cppcheck happy */
free(indent);
free(vindent);
if (!labelFound)
{
fprintf(stderr, "%s: label section not found\n", progName);
return 1;
}
if (!endLabelFound)
{
fprintf(stderr, "%s: label section not ended\n", progName);
return 1;
}
printf(")\n"); /* terminate verb(... by ) */
return 0;
}
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