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Copy pathdoc_extract.c
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89 lines (79 loc) · 1.93 KB
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/* This merely extracts, doesn't do XML or anything. */
#include <ccan/str/str.h>
#include <ccan/err/err.h>
#include <ccan/tal/grab_file/grab_file.h>
#include "tools.h"
#include <string.h>
#include <stdio.h>
#include "doc_extract.h"
/* We regard non-alphanumerics as equiv. */
static bool typematch(const char *a, const char *b)
{
size_t i;
for (i = 0; a[i]; i++) {
if (cisalnum(a[i])) {
if (a[i] != b[i])
return false;
} else {
if (cisalnum(b[i]))
return false;
}
}
return b[i] == '\0';
}
int main(int argc, char *argv[])
{
unsigned int i;
const char *type;
const char *function = NULL;
if (argc < 3)
errx(1, "Usage: doc_extract [--function=<funcname>] TYPE <file>...\n"
"Where TYPE is functions|author|license|maintainer|summary|description|example|see_also|all");
if (strstarts(argv[1], "--function=")) {
function = argv[1] + strlen("--function=");
argv++;
argc--;
}
type = argv[1];
for (i = 2; i < argc; i++) {
char *file, **lines;
struct list_head *list;
struct doc_section *d;
file = grab_file(NULL, argv[i]);
if (!file)
err(1, "Reading file %s", argv[i]);
lines = tal_strsplit(file, file, "\n", STR_EMPTY_OK);
list = extract_doc_sections(lines, argv[i]);
if (list_empty(list))
errx(1, "No documentation in file %s", argv[i]);
tal_free(file);
if (streq(type, "functions")) {
const char *last = NULL;
list_for_each(list, d, list) {
if (d->function) {
if (!last || !streq(d->function, last))
printf("%s\n", d->function);
last = d->function;
}
}
} else {
unsigned int j;
list_for_each(list, d, list) {
if (function) {
if (!d->function)
continue;
if (!streq(d->function, function))
continue;
}
if (streq(type, "all"))
printf("%s:\n", d->type);
else if (!typematch(d->type, type))
continue;
for (j = 0; j < d->num_lines; j++)
printf("%s\n", d->lines[j]);
}
}
tal_free(list);
}
return 0;
}