diff options
Diffstat (limited to 'src/p_lcom_next.c')
| -rw-r--r-- | src/p_lcom_next.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/p_lcom_next.c b/src/p_lcom_next.c new file mode 100644 index 0000000..997878e --- /dev/null +++ b/src/p_lcom_next.c @@ -0,0 +1,209 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* p_lcom_next.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */ +/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */ +/* */ +/* ************************************************************************** */ + +#include <libft.h> +#include <stdlib.h> +#include <stdint.h> + +#include "d_enum.h" +#include "s_destroy.h" +#include "f_fail.h" +#include "s_struct.h" +#include "u_vars.h" +#include "u_vars_next.h" + +/* TODO: norme */ + +static int8_t + subst_those_vars(int64_t i, + char **p_words, + t_msh *msh) +{ + size_t varlen; + char *s_varname; + char *varval; + + varval = NULL; + s_varname = NULL; + varlen = i + 1; + while ((*p_words)[varlen] != '\0' && + !ft_ischarset("$=/#@%^*+{}[],.-", (*p_words)[varlen])) + varlen += 1; + if (!(s_varname = ft_substr(*p_words, (uint32_t)i, varlen - i))) + return (-1); + varval = u_get_var_value(s_varname, msh); + *p_words = ft_strsubst(*p_words, s_varname, varval); + ft_memdel((void*)&s_varname); + ft_memdel((void*)&varval); + return (0); +} + +char + **p_subst_vars(char *words[], + t_msh *msh) +{ + char **p_words; + int64_t i; + + p_words = words; + i = 0; + while (*p_words) + { + while ((i = ft_strlchr((*p_words), '$')) != -1) + { + if (*(*p_words) + i - 1 != '\\') + { + if (subst_those_vars(i, p_words, msh) != 0) + return (NULL); + } + } + p_words += 1; + } + return (words); +} + +char + **p_subst_args(const char word[], + int8_t redir) +{ + char **words; + char *subst; + size_t i; + + if (redir == 0) + { + if (!(words = ft_split(word, ' '))) + return (NULL); + return (words); + } + i = 0; + while (word[i] && !ft_ischarset("<>", word[i])) + i++; + while (redir > 0 && ft_isdigit(word[i])) + i--; + if (!(subst = ft_substr(word, 0, i))) + return (NULL); + if (!(words = ft_split(subst, ' '))) + { + ft_memdel((void*)&subst); + return (NULL); + } + ft_memdel((void*)&subst); + return (words); +} + +static void + p_register_word(char word[], + t_msh *msh) +{ + char name[255]; + char val[255]; + char *ptr; + size_t i; + + name[0] = '$'; + ptr = word; + i = 1; + while (*ptr != '=' && *ptr != '\0') + { + name[i] = *ptr; + i++; + ptr++; + } + name[i] = '\0'; + ptr++; + i = 0; + while (*ptr != '\0') + { + val[i] = *ptr; + i++; + ptr++; + } + val[i] = '\0'; + u_subst_var_value(name, val, msh); +} + +static char + **p_add_to_variables_and_delete(char *words[], + t_bool reg, + int64_t i, + t_msh *msh) +{ + int64_t j; + int64_t k; + char **rewords; + + j = 0; + if (reg == TRUE) + { + while (words[j] && j < i) + { + p_register_word(words[j], msh); + j++; + } + } + j = 0; + while (words[i + j] != NULL) + j++; + if (!(rewords = (char**)malloc((j + 1) * sizeof(char*)))) + { + ft_delwords(words); + s_destroy(msh); + f_fail_alloc(msh); + } + k = i; + while (i - k < j) + { + if (!(rewords[i - k] = ft_strdup(words[i]))) + { + ft_delwords(words); + s_destroy(msh); + f_fail_alloc(msh); + } + i++; + } + rewords[i - k] = 0; + ft_delwords(words); + i++; + return (rewords); +} + +char + **p_check_args_equals(char *words[], + t_msh *msh) +{ + char *ptr; + t_bool reg; + t_bool isvar; + int64_t i; + + i = 0; + reg = TRUE; + isvar = TRUE; + while (words[i]) + { + ptr = words[i]; + while (*ptr != '\0' && *ptr != '=') + ptr++; + if (*ptr == '\0' || words[i][0] == '=' || ft_isdigit(words[i][0])) + { + reg = FALSE; + if (i == 0) + isvar = FALSE; + break ; + } + i++; + } + if (isvar == TRUE) + return (p_add_to_variables_and_delete(words, reg, i, msh)); + return (words); +} |