diff options
| -rw-r--r-- | trailer.c | 112 |
1 files changed, 112 insertions, 0 deletions
@@ -1,4 +1,5 @@ #include "cache.h" +#include "string-list.h" /* * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org> */ @@ -462,3 +463,114 @@ static int git_trailer_config(const char *conf_key, const char *value, void *cb) } return 0; } + +static int parse_trailer(struct strbuf *tok, struct strbuf *val, const char *trailer) +{ + size_t len; + struct strbuf seps = STRBUF_INIT; + strbuf_addstr(&seps, separators); + strbuf_addch(&seps, '='); + len = strcspn(trailer, seps.buf); + strbuf_release(&seps); + if (len == 0) + return error(_("empty trailer token in trailer '%s'"), 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); + } + return 0; +} + +static const char *token_from_item(struct trailer_item *item, char *tok) +{ + if (item->conf.key) + return item->conf.key; + if (tok) + return tok; + return item->conf.name; +} + +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(token_from_item(conf_item, tok)); + free(tok); + } else { + duplicate_conf(&new->conf, &default_conf_info); + new->token = tok; + } + + return new; +} + +static int token_matches_item(const char *tok, struct trailer_item *item, int tok_len) +{ + if (!strncasecmp(tok, item->conf.name, tok_len)) + return 1; + return item->conf.key ? !strncasecmp(tok, item->conf.key, tok_len) : 0; +} + +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_len; + + if (parse_trailer(&tok, &val, string)) + return NULL; + + tok_len = token_len_without_separator(tok.buf, tok.len); + + /* Lookup if the token matches something in the config */ + for (item = first_conf_item; item; item = item->next) { + if (token_matches_item(tok.buf, item, tok_len)) + return new_trailer_item(item, + strbuf_detach(&tok, 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 (!new) + return; + if (!*last) { + *first = new; + *last = new; + } else { + (*last)->next = new; + new->previous = *last; + *last = new; + } +} + +static struct trailer_item *process_command_line_args(struct string_list *trailers) +{ + struct trailer_item *arg_tok_first = NULL; + struct trailer_item *arg_tok_last = NULL; + struct string_list_item *tr; + + for_each_string_list_item(tr, trailers) { + struct trailer_item *new = create_trailer_item(tr->string); + add_trailer_item(&arg_tok_first, &arg_tok_last, new); + } + + return arg_tok_first; +} |