#include <stdint.h>
#include <stdlib.h>
#include <ctype.h>
+#include <unistr.h>
#include "data/attributes.h"
#include "data/case.h"
#include "libpspp/compiler.h"
#include "libpspp/hash-functions.h"
#include "libpspp/hmap.h"
+#include "libpspp/i18n.h"
#include "libpspp/message.h"
#include "libpspp/misc.h"
#include "libpspp/pool.h"
#include "libpspp/str.h"
+#include "libpspp/string-array.h"
#include "gl/intprops.h"
#include "gl/minmax.h"
#include "gl/xalloc.h"
+#include "gl/xmemdup0.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
struct variable *filter; /* FILTER variable. */
casenumber case_limit; /* Current case limit (N command). */
char *label; /* File label. */
- struct string documents; /* Documents, as a string. */
+ struct string_array documents; /* Documents. */
struct vector **vector; /* Vectors of variables. */
size_t vector_cnt; /* Number of vectors. */
struct attrset attributes; /* Custom attributes. */
return d->encoding ;
}
+/* Returns true if UTF-8 string ID is an acceptable identifier in DICT's
+ encoding, false otherwise. If ISSUE_ERROR is true, issues an explanatory
+ error message on failure. */
+bool
+dict_id_is_valid (const struct dictionary *dict, const char *id,
+ bool issue_error)
+{
+ return id_is_valid (id, dict->encoding, issue_error);
+}
void
dict_set_change_callback (struct dictionary *d,
d->case_limit = 0;
free (d->label);
d->label = NULL;
- ds_destroy (&d->documents);
+ string_array_clear (&d->documents);
dict_clear_vectors (d);
attrset_clear (&d->attributes);
}
static char *
make_hinted_name (const struct dictionary *dict, const char *hint)
{
- char name[VAR_NAME_LEN + 1];
+ size_t hint_len = strlen (hint);
bool dropped = false;
- char *cp;
-
- for (cp = name; *hint && cp < name + VAR_NAME_LEN; hint++)
+ char *root, *rp;
+ size_t ofs;
+ int mblen;
+
+ /* The allocation size here is OK: characters that are copied directly fit
+ OK, and characters that are not copied directly are replaced by a single
+ '_' byte. If u8_mbtouc() replaces bad input by 0xfffd, then that will get
+ replaced by '_' too. */
+ root = rp = xmalloc (hint_len + 1);
+ for (ofs = 0; ofs < hint_len; ofs += mblen)
{
- if (cp == name
- ? lex_is_id1 (*hint) && *hint != '$'
- : lex_is_idn (*hint))
+ ucs4_t uc;
+
+ mblen = u8_mbtouc (&uc, CHAR_CAST (const uint8_t *, hint + ofs),
+ hint_len - ofs);
+ if (rp == root
+ ? lex_uc_is_id1 (uc) && uc != '$'
+ : lex_uc_is_idn (uc))
{
if (dropped)
{
- *cp++ = '_';
+ *rp++ = '_';
dropped = false;
}
- if (cp < name + VAR_NAME_LEN)
- *cp++ = *hint;
+ rp += u8_uctomb (CHAR_CAST (uint8_t *, rp), uc, 6);
}
- else if (cp > name)
+ else if (rp != root)
dropped = true;
}
- *cp = '\0';
+ *rp = '\0';
- if (name[0] != '\0')
+ if (root[0] != '\0')
{
- size_t len = strlen (name);
unsigned long int i;
- if (var_name_is_insertable (dict, name))
- return xstrdup (name);
+ if (var_name_is_insertable (dict, root))
+ return root;
for (i = 0; i < ULONG_MAX; i++)
{
char suffix[INT_BUFSIZE_BOUND (i) + 1];
- int ofs;
+ char *name;
suffix[0] = '_';
if (!str_format_26adic (i + 1, &suffix[1], sizeof suffix - 1))
NOT_REACHED ();
- ofs = MIN (VAR_NAME_LEN - strlen (suffix), len);
- strcpy (&name[ofs], suffix);
-
+ name = utf8_encoding_concat (root, suffix, dict->encoding, 64);
if (var_name_is_insertable (dict, name))
- return xstrdup (name);
+ {
+ free (root);
+ return name;
+ }
+ free (name);
}
}
+ free (root);
+
return NULL;
}
d->label = label != NULL && label[0] != '\0' ? xstrndup (label, 60) : NULL;
}
-/* Returns the documents for D, or a null pointer if D has no
- documents. If the return value is nonnull, then the string
- will be an exact multiple of DOC_LINE_LENGTH bytes in length,
- with each segment corresponding to one line. */
-const char *
+/* Returns the documents for D, as an UTF-8 encoded string_array. The
+ return value is always nonnull; if there are no documents then the
+ string_arary is empty.*/
+const struct string_array *
dict_get_documents (const struct dictionary *d)
{
- return ds_is_empty (&d->documents) ? NULL : ds_cstr (&d->documents);
+ return &d->documents;
}
-/* Sets the documents for D to DOCUMENTS, or removes D's
- documents if DOCUMENT is a null pointer. If DOCUMENTS is
- nonnull, then it should be an exact multiple of
- DOC_LINE_LENGTH bytes in length, with each segment
- corresponding to one line. */
+/* Replaces the documents for D by NEW_DOCS, a UTF-8 encoded string_array. */
void
-dict_set_documents (struct dictionary *d, const char *documents)
+dict_set_documents (struct dictionary *d, const struct string_array *new_docs)
{
- size_t remainder;
+ size_t i;
- ds_assign_cstr (&d->documents, documents != NULL ? documents : "");
+ dict_clear_documents (d);
- /* In case the caller didn't get it quite right, pad out the
- final line with spaces. */
- remainder = ds_length (&d->documents) % DOC_LINE_LENGTH;
- if (remainder != 0)
- ds_put_byte_multiple (&d->documents, ' ', DOC_LINE_LENGTH - remainder);
+ for (i = 0; i < new_docs->n; i++)
+ dict_add_document_line (d, new_docs->strings[i], false);
+}
+
+/* Replaces the documents for D by UTF-8 encoded string NEW_DOCS, dividing it
+ into individual lines at new-line characters. Each line is truncated to at
+ most DOC_LINE_LENGTH bytes in D's encoding. */
+void
+dict_set_documents_string (struct dictionary *d, const char *new_docs)
+{
+ const char *s;
+
+ dict_clear_documents (d);
+ for (s = new_docs; *s != '\0'; )
+ {
+ size_t len = strcspn (s, "\n");
+ char *line = xmemdup0 (s, len);
+ dict_add_document_line (d, line, false);
+ free (line);
+
+ s += len;
+ if (*s == '\n')
+ s++;
+ }
}
/* Drops the documents from dictionary D. */
void
dict_clear_documents (struct dictionary *d)
{
- ds_clear (&d->documents);
+ string_array_clear (&d->documents);
}
-/* Appends LINE to the documents in D. LINE will be truncated or
- padded on the right with spaces to make it exactly
- DOC_LINE_LENGTH bytes long. */
-void
-dict_add_document_line (struct dictionary *d, const char *line)
+/* Appends the UTF-8 encoded LINE to the documents in D. LINE will be
+ truncated so that it is no more than 80 bytes in the dictionary's
+ encoding. If this causes some text to be lost, and ISSUE_WARNING is true,
+ then a warning will be issued. */
+bool
+dict_add_document_line (struct dictionary *d, const char *line,
+ bool issue_warning)
{
- if (strlen (line) > DOC_LINE_LENGTH)
+ size_t trunc_len;
+ bool truncated;
+
+ trunc_len = utf8_encoding_trunc_len (line, d->encoding, DOC_LINE_LENGTH);
+ truncated = line[trunc_len] != '\0';
+ if (truncated && issue_warning)
{
/* Note to translators: "bytes" is correct, not characters */
msg (SW, _("Truncating document line to %d bytes."), DOC_LINE_LENGTH);
}
- buf_copy_str_rpad (ds_put_uninit (&d->documents, DOC_LINE_LENGTH),
- DOC_LINE_LENGTH, line, ' ');
+
+ string_array_append_nocopy (&d->documents, xmemdup0 (line, trunc_len));
+
+ return !truncated;
}
/* Returns the number of document lines in dictionary D. */
size_t
dict_get_document_line_cnt (const struct dictionary *d)
{
- return ds_length (&d->documents) / DOC_LINE_LENGTH;
+ return d->documents.n;
}
-/* Copies document line number IDX from dictionary D into
- LINE, trimming off any trailing white space. */
-void
-dict_get_document_line (const struct dictionary *d,
- size_t idx, struct string *line)
+/* Returns document line number IDX in dictionary D. The caller must not
+ modify or free the returned string. */
+const char *
+dict_get_document_line (const struct dictionary *d, size_t idx)
{
- assert (idx < dict_get_document_line_cnt (d));
- ds_assign_substring (line, ds_substr (&d->documents, idx * DOC_LINE_LENGTH,
- DOC_LINE_LENGTH));
- ds_rtrim (line, ss_cstr (CC_SPACES));
+ assert (idx < d->documents.n);
+ return d->documents.strings[idx];
}
/* Creates in D a vector named NAME that contains the CNT
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