/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2011 Index Data
+ * Copyright (C) Index Data
* See the file LICENSE for details.
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <assert.h>
#include <unicode/ustring.h> /* some more string fcns*/
#include <unicode/uchar.h> /* char names */
-struct icu_buf_utf16 * icu_buf_utf16_create(size_t capacity)
+struct icu_buf_utf16 *icu_buf_utf16_create(size_t capacity)
{
- struct icu_buf_utf16 * buf16
+ struct icu_buf_utf16 *buf16
= (struct icu_buf_utf16 *) xmalloc(sizeof(struct icu_buf_utf16));
- buf16->utf16 = 0;
buf16->utf16_len = 0;
- buf16->utf16_cap = 0;
-
+ buf16->utf16_cap = capacity;
if (capacity > 0)
{
buf16->utf16 = (UChar *) xmalloc(sizeof(UChar) * capacity);
buf16->utf16[0] = (UChar) 0;
- buf16->utf16_cap = capacity;
}
+ else
+ buf16->utf16 = 0;
return buf16;
}
-struct icu_buf_utf16 * icu_buf_utf16_clear(struct icu_buf_utf16 * buf16)
+struct icu_buf_utf16 *icu_buf_utf16_clear(struct icu_buf_utf16 *buf16)
{
- if (buf16)
- {
- if (buf16->utf16)
- buf16->utf16[0] = (UChar) 0;
- buf16->utf16_len = 0;
- }
+ assert(buf16);
+ if (buf16->utf16)
+ buf16->utf16[0] = (UChar) 0;
+ buf16->utf16_len = 0;
return buf16;
}
-struct icu_buf_utf16 * icu_buf_utf16_resize(struct icu_buf_utf16 * buf16,
- size_t capacity)
+struct icu_buf_utf16 *icu_buf_utf16_resize(struct icu_buf_utf16 *buf16,
+ size_t capacity)
{
- if (!buf16)
- return 0;
-
- if (capacity > 0)
+ assert(buf16);
+ if (capacity > 0)
{
if (0 == buf16->utf16)
buf16->utf16 = (UChar *) xmalloc(sizeof(UChar) * capacity);
else
- buf16->utf16
+ buf16->utf16
= (UChar *) xrealloc(buf16->utf16, sizeof(UChar) * capacity);
-
- icu_buf_utf16_clear(buf16);
buf16->utf16_cap = capacity;
- }
- else
- {
- xfree(buf16->utf16);
- buf16->utf16 = 0;
- buf16->utf16_len = 0;
- buf16->utf16_cap = 0;
}
-
return buf16;
}
-struct icu_buf_utf16 * icu_buf_utf16_copy(struct icu_buf_utf16 * dest16,
- const struct icu_buf_utf16 * src16)
+struct icu_buf_utf16 *icu_buf_utf16_copy(struct icu_buf_utf16 *dest16,
+ const struct icu_buf_utf16 *src16)
{
if (!dest16 || !src16 || dest16 == src16)
return 0;
return dest16;
}
-void icu_buf_utf16_destroy(struct icu_buf_utf16 * buf16)
+
+struct icu_buf_utf16 *icu_buf_utf16_append(struct icu_buf_utf16 *dest16,
+ const struct icu_buf_utf16 *src16)
+{
+ assert(dest16);
+ if (!src16)
+ return dest16;
+ if (dest16 == src16)
+ return 0;
+
+ if (dest16->utf16_cap <= src16->utf16_len + dest16->utf16_len)
+ icu_buf_utf16_resize(dest16, dest16->utf16_len + src16->utf16_len * 2);
+
+ u_strncpy(dest16->utf16 + dest16->utf16_len,
+ src16->utf16, src16->utf16_len);
+ dest16->utf16_len += src16->utf16_len;
+
+ return dest16;
+}
+
+
+void icu_buf_utf16_destroy(struct icu_buf_utf16 *buf16)
{
if (buf16)
xfree(buf16->utf16);
xfree(buf16);
}
+void icu_buf_utf16_log(const char *lead, struct icu_buf_utf16 *src16)
+{
+ if (src16)
+ {
+ struct icu_buf_utf8 *dst8 = icu_buf_utf8_create(0);
+ UErrorCode status = U_ZERO_ERROR;
+ icu_utf16_to_utf8(dst8, src16, &status);
+ yaz_log(YLOG_LOG, "%s=%s", lead, dst8->utf8);
+ icu_buf_utf8_destroy(dst8);
+ }
+ else
+ {
+ yaz_log(YLOG_LOG, "%s=NULL", lead);
+ }
+}
#endif /* YAZ_HAVE_ICU */