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/* $Id: mkdoc.c,v 1.12 2006/11/29 21:00:36 rrt Exp $ */
/*
* A Quick & Dirty tool to produce the AUTODOC file.
*/
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* #include other sources so this program can be easily built on the
build host when cross-compiling */
#include "strrstr.c"
#include "vasprintf.c"
#include "zmalloc.c"
#include "astr.c"
struct fentry {
char *name;
char *key1;
char *key2;
char *key3;
char *key4;
astr doc;
} fentry_table[] = {
#define X0(zile_name, c_name) \
{ zile_name, NULL, NULL, NULL, NULL, NULL },
#define X1(zile_name, c_name, key1) \
{ zile_name, key1, NULL, NULL, NULL, NULL },
#define X2(zile_name, c_name, key1, key2) \
{ zile_name, key1, key2, NULL, NULL, NULL },
#define X3(zile_name, c_name, key1, key2, key3) \
{ zile_name, key1, key2, key3, NULL, NULL },
#include "tbl_funcs.h"
#undef X0
#undef X1
#undef X2
#undef X3
};
#define fentry_table_size (sizeof fentry_table / sizeof fentry_table[0])
struct ventry {
char *name;
char *fmt;
char *defvalue;
int local;
char *doc;
} ventry_table[] = {
#define X(name, fmt, defvalue, local, doc) \
{ name, fmt, defvalue, local, doc },
#include "tbl_vars.h"
#undef X
};
#define ventry_table_size (sizeof ventry_table / sizeof ventry_table[0])
FILE *input_file;
FILE *output_file;
static void fdecl(const char *name)
{
astr doc = astr_new();
astr buf;
unsigned s = 0, i;
while ((buf = astr_fgets(input_file)) != NULL) {
if (s == 1) {
if (!strncmp(astr_cstr(buf), "+*/", (size_t)3))
break;
astr_cat(doc, buf);
astr_cat_char(doc, '\n');
}
if (!strncmp(astr_cstr(buf), "/*+", (size_t)3))
s = 1;
else if (astr_cstr(buf)[0] == '{')
break;
astr_delete(buf);
}
for (i = 0; i < fentry_table_size; ++i)
if (!strcmp(name, fentry_table[i].name))
fentry_table[i].doc = doc;
}
static void parse(void)
{
astr buf;
while ((buf = astr_fgets(input_file)) != NULL) {
if (!strncmp(astr_cstr(buf), "DEFUN(", (size_t)6)) {
int i, j;
astr sub;
i = astr_find_cstr(buf, "\"");
j = astr_rfind_cstr(buf, "\"");
if (i < 0 || j < 0 || i == j) {
fprintf(stderr, "mkdoc: invalid DEFUN() syntax\n");
exit(1);
}
sub = astr_substr(buf, i + 1, (size_t)(j - i - 1));
astr_cpy(buf, sub);
astr_delete(sub);
fdecl(astr_cstr(buf));
}
astr_delete(buf);
}
}
static void dump_help(void)
{
unsigned int i;
for (i = 0; i < fentry_table_size; ++i) {
astr doc = fentry_table[i].doc;
if (doc != NULL)
fprintf(output_file, "\fF_%s\n%s",
fentry_table[i].name, astr_cstr(doc));
}
for (i = 0; i < ventry_table_size; ++i)
fprintf(output_file, "\fV_%s\n%s\n%s\n",
ventry_table[i].name, ventry_table[i].defvalue,
ventry_table[i].doc);
}
static void process_file(char *filename)
{
if (filename != NULL && strcmp(filename, "-") != 0) {
if ((input_file = fopen(filename, "r")) == NULL) {
fprintf(stderr, "mkdoc:%s: %s\n",
filename, strerror(errno));
exit(1);
}
} else
input_file = stdin;
parse();
if (input_file != stdin)
fclose(input_file);
}
/*
* Stub to make zmalloc &c. happy.
*/
void zile_exit(int exitcode)
{
exit(exitcode);
}
int main(int argc, char **argv)
{
input_file = stdin;
output_file = stdout;
if (argc < 1)
process_file(NULL);
else
while (*argv)
process_file(*argv++);
dump_help();
return 0;
}
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