This patch parses the trailer command line arguments
and put the result into an arg_tok doubly linked
list.
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
trailer.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 84 insertions(+)
diff --git a/trailer.c b/trailer.c
index f844f46..3fde21d 100644
--- a/trailer.c
+++ b/trailer.c
@@ -367,3 +367,87 @@ static int git_trailer_config(const char *conf_key, const char *value, void *cb)
}
return 0;
}
+
+static void parse_trailer(struct strbuf *tok, struct strbuf *val, const char *trailer)
+{
+ const char *end = strchr(trailer, '=');
+ if (!end)
+ end = strchr(trailer, ':');
+ if (end) {
+ strbuf_add(tok, trailer, end - trailer);
+ strbuf_trim(tok);
+ strbuf_addstr(val, end + 1);
+ strbuf_trim(val);
+ } else {
+ strbuf_addstr(tok, trailer);
+ strbuf_trim(tok);
+ }
+}
+
+static struct trailer_item *new_trailer_item(struct trailer_item *conf_item,
+ const char* tok, const char* val)
+{
+ struct trailer_item *new = xcalloc(sizeof(*new), 1);
+ new->value = val;
+
+ if (conf_item) {
+ new->conf = conf_item->conf;
+ new->token = xstrdup(conf_item->conf->key);
+ } else {
+ new->conf = xcalloc(sizeof(struct conf_info), 1);
+ new->token = tok;
+ }
+
+ return new;
+}
+
+static struct trailer_item *create_trailer_item(const char *string)
+{
+ struct strbuf tok = STRBUF_INIT;
+ struct strbuf val = STRBUF_INIT;
+ struct trailer_item *item;
+ int tok_alnum_len;
+
+ parse_trailer(&tok, &val, string);
+
+ tok_alnum_len = alnum_len(tok.buf, tok.len);
+
+ /* Lookup if the token matches something in the config */
+ for (item = first_conf_item; item; item = item->next) {
+ if (!strncasecmp(tok.buf, item->conf->key, tok_alnum_len) ||
+ !strncasecmp(tok.buf, item->conf->name, tok_alnum_len)) {
+ strbuf_release(&tok);
+ return new_trailer_item(item, NULL, strbuf_detach(&val, NULL));
+ }
+ }
+
+ return new_trailer_item(NULL, strbuf_detach(&tok, NULL), strbuf_detach(&val, NULL));;
+}
+
+static void add_trailer_item(struct trailer_item **first,
+ struct trailer_item **last,
+ struct trailer_item *new)
+{
+ if (!*last) {
+ *first = new;
+ *last = new;
+ } else {
+ (*last)->next = new;
+ new->previous = *last;
+ *last = new;
+ }
+}
+
+static struct trailer_item *process_command_line_args(int argc, const char **argv)
+{
+ int i;
+ struct trailer_item *arg_tok_first = NULL;
+ struct trailer_item *arg_tok_last = NULL;
+
+ for (i = 0; i < argc; i++) {
+ struct trailer_item *new = create_trailer_item(argv[i]);
+ add_trailer_item(&arg_tok_first, &arg_tok_last, new);
+ }
+
+ return arg_tok_first;
+}
--
1.8.5.2.206.g98f5689.dirty
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