X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.h;h=91de05f395264f2d3231ef9d23c82eda9788602f;hb=32538f9f35aee7145a49971f9dae1394a1a201b5;hp=0b57f7364e07816400b0d90f80e12376f219b821;hpb=d0b91eae59319ab2756d0d43b9cb15eb9cd3c234;p=pspp

diff --git a/src/libpspp/str.h b/src/libpspp/str.h
index 0b57f7364e..91de05f395 100644
--- a/src/libpspp/str.h
+++ b/src/libpspp/str.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2009 Free Software Foundation, Inc.
+   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
@@ -23,16 +23,20 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include <unitypes.h>
 
 #include "compiler.h"
 #include "memcasecmp.h"
 #include "xstrndup.h"
 #include "xvasprintf.h"
+
+#include "gl/xalloc.h"
 
 /* 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, char pad);
@@ -47,9 +51,12 @@ void str_copy_buf_trunc (char *, size_t, const char *, size_t);
 void str_uppercase (char *);
 void str_lowercase (char *);
 
-bool str_format_26adic (unsigned long int number, char buffer[], size_t);
+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);
 
-char *spprintf (char *dst, const char *format, ...);
+static inline char *xstrdup_if_nonnull (const char *);
 
 void *mempset (void *, int, size_t);
 
@@ -75,9 +82,9 @@ struct substring
 /* 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);
@@ -87,6 +94,7 @@ struct substring ss_tail (struct substring, size_t);
 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 *);
@@ -95,21 +103,23 @@ 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_match_char_in (struct substring *, 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_char (struct substring *);
-size_t ss_get_chars (struct substring *, size_t cnt, 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 *);
 
@@ -121,15 +131,27 @@ char *ss_end (struct substring);
 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);
 
 /* Variable length strings. */
 
@@ -171,7 +193,8 @@ void ds_truncate (struct string *, size_t);
 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,
@@ -194,9 +217,10 @@ char *ds_end (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 *);
@@ -208,19 +232,30 @@ char *ds_steal_cstr (struct string *);
 /* File input. */
 bool ds_read_line (struct string *, FILE *, size_t max_length);
 bool ds_read_config_line (struct string *, int *line_number, FILE *);
-bool 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);
@@ -229,6 +264,39 @@ 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);
-
+
+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 */