-/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
- Written by Ben Pfaff <blp@gnu.org>.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2014 Free Software Foundation, Inc.
- This program 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 2 of the
- License, or (at your option) any later version.
+ This program 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.
- This program 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.
+ This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !str_h
#define str_h 1
#include <assert.h>
#include <stdarg.h>
#include <stdbool.h>
+#include <stdint.h>
#include <stdio.h>
#include <string.h>
+#include <unitypes.h>
#include "compiler.h"
#include "memcasecmp.h"
-#include "memmem.h"
-#include "snprintf.h"
-#include "stpcpy.h"
-#include "strcase.h"
-#include "strftime.h"
-#include "strstr.h"
-#include "strtok_r.h"
-#include "vsnprintf.h"
+#include "xstrndup.h"
#include "xvasprintf.h"
+
+#include "gl/xalloc.h"
\f
/* Miscellaneous. */
+struct substring;
+
void buf_reverse (char *, size_t);
-char *buf_find_reverse (const char *, size_t, const char *, size_t);
int buf_compare_case (const char *, const char *, size_t);
int buf_compare_rpad (const char *, size_t, const char *, size_t);
-void buf_copy_lpad (char *, size_t, const char *, size_t);
-void buf_copy_rpad (char *, size_t, const char *, size_t);
-void buf_copy_str_lpad (char *, size_t, const char *);
-void buf_copy_str_rpad (char *, size_t, const char *);
+void buf_copy_lpad (char *, size_t, const char *, size_t, char pad);
+void buf_copy_rpad (char *, size_t, const char *, size_t, char pad);
+void buf_copy_str_lpad (char *, size_t, const char *, char pad);
+void buf_copy_str_rpad (char *, size_t, const char *, char pad);
int str_compare_rpad (const char *, const char *);
void str_copy_rpad (char *, size_t, const char *);
void str_uppercase (char *);
void str_lowercase (char *);
-char *spprintf (char *dst, const char *format, ...);
+bool str_format_26adic (unsigned long int number, bool uppercase,
+ char buffer[], size_t);
+
+void str_ellipsize (struct substring in, char *out, size_t out_size);
+
+static inline char *xstrdup_if_nonnull (const char *);
void *mempset (void *, int, size_t);
\f
#define CC_ALNUM CC_LETTERS CC_DIGITS
\f
/* Substrings. */
-struct substring
+struct substring
{
char *string;
size_t length;
};
#define SS_EMPTY_INITIALIZER {NULL, 0}
-#define SS_LITERAL_INITIALIZER(LITERAL) {LITERAL, (sizeof LITERAL) - 1}
+#define SS_LITERAL_INITIALIZER(LITERAL) \
+ {(char *) LITERAL, (sizeof LITERAL) - 1}
/* Constructors.
These functions do not allocate any memory, so the substrings
they create should not normally be destroyed. */
-struct substring ss_empty (void);
-struct substring ss_cstr (const char *);
-struct substring ss_buffer (const char *, size_t);
+static inline struct substring ss_empty (void);
+static inline struct substring ss_cstr (const char *);
+static inline struct substring ss_buffer (const char *, size_t);
struct substring ss_substr (struct substring, size_t start, size_t);
struct substring ss_head (struct substring, size_t);
struct substring ss_tail (struct substring, size_t);
/* Constructors and destructor that allocate and deallocate
memory. */
+struct pool;
void ss_alloc_substring (struct substring *, struct substring);
void ss_alloc_uninit (struct substring *, size_t);
+void ss_realloc (struct substring *, size_t);
+void ss_alloc_substring_pool (struct substring *, struct substring,
+ struct pool *);
+void ss_alloc_uninit_pool (struct substring *, size_t, struct pool *);
void ss_dealloc (struct substring *);
/* Mutators.
Functions that advance the beginning of a string should not be
used if a substring is to be deallocated. */
+void ss_swap (struct substring *, struct substring *);
void ss_truncate (struct substring *, size_t);
size_t ss_rtrim (struct substring *, struct substring trim_set);
size_t ss_ltrim (struct substring *, struct substring trim_set);
void ss_trim (struct substring *, struct substring trim_set);
-bool ss_chomp (struct substring *, char);
+bool ss_chomp_byte (struct substring *, char);
+bool ss_chomp (struct substring *, struct substring);
bool ss_separate (struct substring src, struct substring delimiters,
size_t *save_idx, struct substring *token);
bool ss_tokenize (struct substring src, struct substring delimiters,
size_t *save_idx, struct substring *token);
void ss_advance (struct substring *, size_t);
-bool ss_match_char (struct substring *, char);
-int ss_get_char (struct substring *);
-size_t ss_get_chars (struct substring *, size_t cnt, struct substring *);
+bool ss_match_byte (struct substring *, char);
+int ss_match_byte_in (struct substring *, struct substring);
+bool ss_match_string (struct substring *, const struct substring);
+int ss_get_byte (struct substring *);
+size_t ss_get_bytes (struct substring *, size_t n, struct substring *);
bool ss_get_until (struct substring *, char delimiter, struct substring *);
size_t ss_get_long (struct substring *, long *);
int ss_at (struct substring, size_t idx);
int ss_first (struct substring);
int ss_last (struct substring);
+bool ss_starts_with (struct substring, struct substring prefix);
+bool ss_ends_with (struct substring, struct substring suffix);
size_t ss_span (struct substring, struct substring skip_set);
size_t ss_cspan (struct substring, struct substring stop_set);
-size_t ss_find_char (struct substring, char);
+size_t ss_find_byte (struct substring, char);
+size_t ss_find_substring (struct substring, struct substring);
int ss_compare (struct substring, struct substring);
int ss_compare_case (struct substring, struct substring);
int ss_equals (struct substring, struct substring);
int ss_equals_case (struct substring, struct substring);
size_t ss_pointer_to_position (struct substring, const char *);
char *ss_xstrdup (struct substring);
+
+/* UTF-8. */
+ucs4_t ss_first_mb (struct substring);
+int ss_first_mblen (struct substring);
+ucs4_t ss_get_mb (struct substring *);
+ucs4_t ss_at_mb (struct substring, size_t ofs);
+int ss_at_mblen (struct substring, size_t ofs);
+size_t ss_utf8_count_columns (struct substring);
+struct substring ss_utf8_columns (struct substring, size_t start, size_t n);
\f
/* Variable length strings. */
size_t ds_rtrim (struct string *, struct substring trim_set);
size_t ds_ltrim (struct string *, struct substring trim_set);
size_t ds_trim (struct string *, struct substring trim_set);
-bool ds_chomp (struct string *, char);
+bool ds_chomp_byte (struct string *, char);
+bool ds_chomp (struct string *, struct substring);
bool ds_separate (const struct string *src, struct substring delimiters,
size_t *save_idx, struct substring *token);
bool ds_tokenize (const struct string *src, struct substring delimiters,
size_t *save_idx, struct substring *token);
void ds_rpad (struct string *, size_t length, char pad);
void ds_set_length (struct string *, size_t new_length, char pad);
+void ds_remove (struct string *, size_t start, size_t n);
/* Extracting substrings. */
struct substring ds_ss (const struct string *);
int ds_at (const struct string *, size_t idx);
int ds_first (const struct string *);
int ds_last (const struct string *);
+bool ds_ends_with (const struct string *, struct substring suffix);
size_t ds_span (const struct string *, struct substring skip_set);
size_t ds_cspan (const struct string *, struct substring stop_set);
-size_t ds_find_char (const struct string *, char);
+size_t ds_find_byte (const struct string *, char);
int ds_compare (const struct string *, const struct string *);
size_t ds_pointer_to_position (const struct string *, const char *);
char *ds_xstrdup (const struct string *);
size_t ds_capacity (const struct string *);
char *ds_cstr (const struct string *);
+char *ds_steal_cstr (struct string *);
/* File input. */
-bool ds_read_line (struct string *, FILE *);
+bool ds_read_line (struct string *, FILE *, size_t max_length);
bool ds_read_config_line (struct string *, int *line_number, FILE *);
-size_t ds_read_stream (struct string *, size_t size, size_t cnt, FILE *stream);
+bool ds_read_stream (struct string *, size_t size, size_t n, FILE *stream);
/* Append. */
-void ds_put_char (struct string *, int ch);
-void ds_put_char_multiple (struct string *, int ch, size_t);
+void ds_put_byte (struct string *, int ch);
+void ds_put_byte_multiple (struct string *, int ch, size_t);
+void ds_put_unichar (struct string *, ucs4_t uc);
void ds_put_cstr (struct string *, const char *);
void ds_put_substring (struct string *, struct substring);
+void ds_put_substring_multiple (struct string *, struct substring, size_t n);
void ds_put_vformat (struct string *st, const char *, va_list)
PRINTF_FORMAT (2, 0);
+void ds_put_c_vformat (struct string *st, const char *, va_list)
+ PRINTF_FORMAT (2, 0);
+
void ds_put_format (struct string *, const char *, ...)
PRINTF_FORMAT (2, 3);
+void ds_put_c_format (struct string *, const char *, ...)
+ PRINTF_FORMAT (2, 3);
+
char *ds_put_uninit (struct string *st, size_t incr);
+char *ds_splice_uninit (struct string *, size_t ofs, size_t old_len,
+ size_t new_len);
+
+/* Other */
+/* calls relocate from gnulib on ST */
+void ds_relocate (struct string *st);
+
+
+void u8_buf_copy_rpad (uint8_t *dst, size_t dst_size,
+ const uint8_t *src, size_t src_size,
+ char pad);
+\f
+static inline struct substring
+ss_empty (void)
+{
+ struct substring ss;
+ ss.string = NULL;
+ ss.length = 0;
+ return ss;
+}
+
+/* Returns a substring whose contents are the given C-style
+ string CSTR. */
+static inline struct substring
+ss_cstr (const char *cstr)
+{
+ return ss_buffer (cstr, strlen (cstr));
+}
+
+/* Returns a substring whose contents are the N characters in
+ BUFFER. */
+static inline struct substring
+ss_buffer (const char *buffer, size_t n)
+{
+ struct substring ss;
+ ss.string = (char *) buffer;
+ ss.length = n;
+ return ss;
+}
+
+static inline char *
+xstrdup_if_nonnull (const char *s)
+{
+ return s ? xstrdup (s) : NULL;
+}
+
#endif /* str_h */
projects / pspp / blobdiff