diff options
Diffstat (limited to 'src/preprocess.c')
| -rw-r--r-- | src/preprocess.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/src/preprocess.c b/src/preprocess.c index c09ba71..1034068 100644 --- a/src/preprocess.c +++ b/src/preprocess.c @@ -6,7 +6,7 @@ /* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/04/03 08:58:49 by charles #+# #+# */ -/* Updated: 2020/06/09 17:56:20 by charles ### ########.fr */ +/* Updated: 2020/06/12 11:57:17 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -14,7 +14,16 @@ #include "ms_glob.h" #include "lexer.h" -static char *iterpolate(char *str, t_env env) +static bool st_escapable(char c, enum e_token_tag tag) +{ + if (tag & LTAG_STR) + return (true); + if ((tag & LTAG_STR_DOUBLE) && (c == '\\' || c == '"' || c == '$')) + return (true); + return (false); +} + +static char *st_iterpolate_env(char *str, enum e_token_tag tag, t_env env) { size_t i; t_ftdstr *dstr; @@ -24,7 +33,9 @@ static char *iterpolate(char *str, t_env env) return (NULL); i = -1; while (++i < dstr->length) - if (dstr->str[i] == '$') + if (dstr->str[i] == '\\' && st_escapable(dstr->str[i + 1], tag)) + ft_dstrerase(dstr, i, 1); + else if (dstr->str[i] == '$') { if ((match = env_search_first_match(env, dstr->str + i + 1)) == NULL) { @@ -44,7 +55,7 @@ static char *iterpolate(char *str, t_env env) return (ft_dstrunwrap(dstr)); } -static char *iterpolate_globs(char *str) +static char *st_iterpolate_globs(char *str) { char **strs; int i; @@ -65,7 +76,7 @@ static char *iterpolate_globs(char *str) return (ft_strsjoinf(strs, " ")); } -static int splat_arg(t_ftvec *argv, int i) +static int st_splat_arg(t_ftvec *argv, int i) { t_token *splated; char **strs; @@ -93,7 +104,7 @@ static int splat_arg(t_ftvec *argv, int i) return (i + j - 1); } -void iter_func_unwrap_token(void **addr) +static void st_iter_func_unwrap_token(void **addr) { char *content; @@ -102,7 +113,7 @@ void iter_func_unwrap_token(void **addr) *(char**)addr = content; } -char **preprocess_argv(t_ftvec *argv, t_env env) +char **preprocess(t_ftvec *argv, t_env env) { size_t i; t_token *token; @@ -111,18 +122,35 @@ char **preprocess_argv(t_ftvec *argv, t_env env) while (++i < argv->size) { token = argv->data[i]; - if (token->tag == LTAG_STR_SINGLE) + if (token->tag & LTAG_STR_SINGLE) continue ; - token->content = iterpolate(token->content, env); - if (token->tag == LTAG_STR) + token->content = st_iterpolate_env(token->content, token->tag, env); + if (token->tag & LTAG_STR) { if (ft_strchr(token->content, '*') != NULL) - token->content = iterpolate_globs(token->content); - if ((i = splat_arg(argv, i)) == (size_t)-1) + token->content = st_iterpolate_globs(token->content); + if ((i = st_splat_arg(argv, i)) == (size_t)-1) + return (NULL); + } + } + + t_token *next; + i = -1; + while (++i < argv->size - 1) + { + token = argv->data[i]; + while (token->tag & LTAG_STICK && i + 1 < argv->size) + { + next = argv->data[i + 1]; + token->content = ft_strjoinf_fst(token->content, next->content); + if (token->content == NULL) return (NULL); + token->tag &= next->tag; + ft_vecremove(argv, i + 1, (void (*)(void*))token_destroy); } } - ft_veciter_addr(argv, iter_func_unwrap_token); + + ft_veciter_addr(argv, st_iter_func_unwrap_token); ft_vecpush(argv, NULL); return ((char**)ft_vecunwrap(argv)); } |