Parse the trailer command line arguments and put
the result into an arg_tok doubly linked list.
Signed-off-by: Christian Couder chrisc...@tuxfamily.org
---
trailer.c | 93 +++
1 file changed, 93 insertions(+)
diff --git a/trailer.c b/trailer.c
index 5b8e28b..5d69c00 100644
--- a/trailer.c
+++ b/trailer.c
@@ -378,3 +378,96 @@ 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)
+{
+ size_t len = strcspn(trailer, =:);
+ if (len strlen(trailer)) {
+ strbuf_add(tok, trailer, len);
+ strbuf_trim(tok);
+ strbuf_addstr(val, trailer + len + 1);
+ strbuf_trim(val);
+ } else {
+ strbuf_addstr(tok, trailer);
+ strbuf_trim(tok);
+ }
+}
+
+
+static void duplicate_conf(struct conf_info *dst, struct conf_info *src)
+{
+ *dst = *src;
+ if (src-name)
+ dst-name = xstrdup(src-name);
+ if (src-key)
+ dst-key = xstrdup(src-key);
+ if (src-command)
+ dst-command = xstrdup(src-command);
+}
+
+static struct trailer_item *new_trailer_item(struct trailer_item *conf_item,
+char* tok, char* val)
+{
+ struct trailer_item *new = xcalloc(sizeof(*new), 1);
+ new-value = val;
+
+ if (conf_item) {
+ duplicate_conf(new-conf, conf_item-conf);
+ new-token = xstrdup(conf_item-conf.key);
+ free(tok);
+ } else
+ 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;
+}
--
1.8.5.2.204.gcfe299d.dirty
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