X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.h;h=c691f9f292b2194d54093f384b4b7892614b6469;hb=687c1acdbeecd7d0d7fdc4143d444e8b1563b532;hp=64da85629bdc253717745b755fbeff860afa1cd1;hpb=88106f033c3f823c9d65589081b12c870b43f821;p=pspp-builds.git

diff --git a/src/libpspp/str.h b/src/libpspp/str.h
index 64da8562..c691f9f2 100644
--- a/src/libpspp/str.h
+++ b/src/libpspp/str.h
@@ -23,6 +23,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include <unitypes.h>
 
 #include "compiler.h"
 #include "memcasecmp.h"
@@ -72,9 +73,9 @@ 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);
@@ -84,6 +85,7 @@ 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 *);
@@ -102,11 +104,11 @@ bool ss_separate (struct substring src, struct substring delimiters,
 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 cnt, struct substring *);
 bool ss_get_until (struct substring *, char delimiter, struct substring *);
 size_t ss_get_long (struct substring *, long *);
 
@@ -120,13 +122,20 @@ int ss_first (struct substring);
 int ss_last (struct substring);
 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);
 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);
 
 /* Variable length strings. */
 
@@ -193,7 +202,7 @@ int ds_first (const struct string *);
 int ds_last (const struct string *);
 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 *);
@@ -208,8 +217,8 @@ 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);
 
 /* 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_cstr (struct string *, const char *);
 void ds_put_substring (struct string *, struct substring);
 void ds_put_vformat (struct string *st, const char *, va_list)
@@ -226,6 +235,33 @@ 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);
-
+
+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 CNT characters in
+   BUFFER. */
+static inline struct substring
+ss_buffer (const char *buffer, size_t cnt)
+{
+  struct substring ss;
+  ss.string = (char *) buffer;
+  ss.length = cnt;
+  return ss;
+}
 
 #endif /* str_h */