From 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 08:17:24 +0200 Subject: Adding upstream version 5.1. Signed-off-by: Daniel Baumann --- array.h | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 array.h (limited to 'array.h') diff --git a/array.h b/array.h new file mode 100644 index 0000000..189d646 --- /dev/null +++ b/array.h @@ -0,0 +1,127 @@ +/* array.h -- definitions for the interface exported by array.c that allows + the rest of the shell to manipulate array variables. */ + +/* Copyright (C) 1997-2020 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see . +*/ + + +#ifndef _ARRAY_H_ +#define _ARRAY_H_ + +#include "stdc.h" + +typedef intmax_t arrayind_t; + +enum atype {array_indexed, array_assoc}; /* only array_indexed used */ + +typedef struct array { + enum atype type; + arrayind_t max_index; + int num_elements; + struct array_element *head; + struct array_element *lastref; +} ARRAY; + +typedef struct array_element { + arrayind_t ind; + char *value; + struct array_element *next, *prev; +} ARRAY_ELEMENT; + +typedef int sh_ae_map_func_t PARAMS((ARRAY_ELEMENT *, void *)); + +/* Basic operations on entire arrays */ +extern ARRAY *array_create PARAMS((void)); +extern void array_flush PARAMS((ARRAY *)); +extern void array_dispose PARAMS((ARRAY *)); +extern ARRAY *array_copy PARAMS((ARRAY *)); +extern ARRAY *array_slice PARAMS((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *)); +extern void array_walk PARAMS((ARRAY *, sh_ae_map_func_t *, void *)); + +extern ARRAY_ELEMENT *array_shift PARAMS((ARRAY *, int, int)); +extern int array_rshift PARAMS((ARRAY *, int, char *)); +extern ARRAY_ELEMENT *array_unshift_element PARAMS((ARRAY *)); +extern int array_shift_element PARAMS((ARRAY *, char *)); + +extern ARRAY *array_quote PARAMS((ARRAY *)); +extern ARRAY *array_quote_escapes PARAMS((ARRAY *)); +extern ARRAY *array_dequote PARAMS((ARRAY *)); +extern ARRAY *array_dequote_escapes PARAMS((ARRAY *)); +extern ARRAY *array_remove_quoted_nulls PARAMS((ARRAY *)); + +extern char *array_subrange PARAMS((ARRAY *, arrayind_t, arrayind_t, int, int, int)); +extern char *array_patsub PARAMS((ARRAY *, char *, char *, int)); +extern char *array_modcase PARAMS((ARRAY *, char *, int, int)); + +/* Basic operations on array elements. */ +extern ARRAY_ELEMENT *array_create_element PARAMS((arrayind_t, char *)); +extern ARRAY_ELEMENT *array_copy_element PARAMS((ARRAY_ELEMENT *)); +extern void array_dispose_element PARAMS((ARRAY_ELEMENT *)); + +extern int array_insert PARAMS((ARRAY *, arrayind_t, char *)); +extern ARRAY_ELEMENT *array_remove PARAMS((ARRAY *, arrayind_t)); +extern char *array_reference PARAMS((ARRAY *, arrayind_t)); + +/* Converting to and from arrays */ +extern WORD_LIST *array_to_word_list PARAMS((ARRAY *)); +extern ARRAY *array_from_word_list PARAMS((WORD_LIST *)); +extern WORD_LIST *array_keys_to_word_list PARAMS((ARRAY *)); + +extern ARRAY *array_assign_list PARAMS((ARRAY *, WORD_LIST *)); + +extern char **array_to_argv PARAMS((ARRAY *, int *)); + +extern char *array_to_kvpair PARAMS((ARRAY *, int)); +extern char *array_to_assign PARAMS((ARRAY *, int)); +extern char *array_to_string PARAMS((ARRAY *, char *, int)); +extern ARRAY *array_from_string PARAMS((char *, char *)); + +/* Flags for array_shift */ +#define AS_DISPOSE 0x01 + +#define array_num_elements(a) ((a)->num_elements) +#define array_max_index(a) ((a)->max_index) +#define array_first_index(a) ((a)->head->next->ind) +#define array_head(a) ((a)->head) +#define array_empty(a) ((a)->num_elements == 0) + +#define element_value(ae) ((ae)->value) +#define element_index(ae) ((ae)->ind) +#define element_forw(ae) ((ae)->next) +#define element_back(ae) ((ae)->prev) + +#define set_element_value(ae, val) ((ae)->value = (val)) + +/* Convenience */ +#define array_push(a,v) \ + do { array_rshift ((a), 1, (v)); } while (0) +#define array_pop(a) \ + do { array_dispose_element (array_shift ((a), 1, 0)); } while (0) + +#define GET_ARRAY_FROM_VAR(n, v, a) \ + do { \ + (v) = find_variable (n); \ + (a) = ((v) && array_p ((v))) ? array_cell (v) : (ARRAY *)0; \ + } while (0) + +#define ALL_ELEMENT_SUB(c) ((c) == '@' || (c) == '*') + +/* In eval.c, but uses ARRAY * */ +extern int execute_array_command PARAMS((ARRAY *, void *)); + +#endif /* _ARRAY_H_ */ -- cgit v1.2.3