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-rw-r--r--contrib/idn/idnkit-1.0-src/lib/delimitermap.c268
1 files changed, 268 insertions, 0 deletions
diff --git a/contrib/idn/idnkit-1.0-src/lib/delimitermap.c b/contrib/idn/idnkit-1.0-src/lib/delimitermap.c
new file mode 100644
index 00000000..6f470a87
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/lib/delimitermap.c
@@ -0,0 +1,268 @@
+#ifndef lint
+static char *rcsid = "$Id: delimitermap.c,v 1.1.1.1 2003/06/04 00:25:52 marka Exp $";
+#endif
+
+/*
+ * Copyright (c) 2001,2002 Japan Network Information Center.
+ * All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ *
+ * LICENSE TERMS AND CONDITIONS
+ *
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ *
+ * 1. Use, Modification and Redistribution (including distribution of any
+ * modified or derived work) in source and/or binary forms is permitted
+ * under this License Terms and Conditions.
+ *
+ * 2. Redistribution of source code must retain the copyright notices as they
+ * appear in each source code file, this License Terms and Conditions.
+ *
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ * this License Terms and Conditions, in the documentation and/or other
+ * materials provided with the distribution. For the purposes of binary
+ * distribution the "Copyright Notice" refers to the following language:
+ * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
+ *
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ * derived from this Software without specific prior written approval of
+ * JPNIC.
+ *
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <config.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <idn/result.h>
+#include <idn/assert.h>
+#include <idn/logmacro.h>
+#include <idn/delimitermap.h>
+#include <idn/util.h>
+#include <idn/debug.h>
+#include <idn/ucs4.h>
+
+/*
+ * Mapper object type.
+ */
+struct idn_delimitermap {
+ int ndelimiters;
+ int delimiter_size;
+ unsigned long *delimiters;
+ int reference_count;
+};
+
+#define DELIMITERMAP_INITIAL_DELIMITER_SIZE 4
+#define UNICODE_MAX 0x10ffff
+#define IS_SURROGATE_HIGH(v) (0xd800 <= (v) && (v) <= 0xdbff)
+#define IS_SURROGATE_LOW(v) (0xdc00 <= (v) && (v) <= 0xdfff)
+
+idn_result_t
+idn_delimitermap_create(idn_delimitermap_t *ctxp) {
+ idn_delimitermap_t ctx = NULL;
+ idn_result_t r;
+
+ assert(ctxp != NULL);
+ TRACE(("idn_delimitermap_create()\n"));
+
+ ctx = (idn_delimitermap_t) malloc(sizeof(struct idn_delimitermap));
+ if (ctx == NULL) {
+ WARNING(("idn_mapper_create: malloc failed\n"));
+ r = idn_nomemory;
+ goto ret;
+ }
+
+ ctx->delimiters = (unsigned long *) malloc(sizeof(unsigned long)
+ * DELIMITERMAP_INITIAL_DELIMITER_SIZE);
+ if (ctx->delimiters == NULL) {
+ r = idn_nomemory;
+ goto ret;
+ }
+ ctx->ndelimiters = 0;
+ ctx->delimiter_size = DELIMITERMAP_INITIAL_DELIMITER_SIZE;
+ ctx->reference_count = 1;
+ *ctxp = ctx;
+ r = idn_success;
+
+ret:
+ if (r != idn_success)
+ free(ctx);
+ TRACE(("idn_delimitermap_create(): %s\n", idn_result_tostring(r)));
+ return (r);
+}
+
+void
+idn_delimitermap_destroy(idn_delimitermap_t ctx) {
+ assert(ctx != NULL);
+
+ TRACE(("idn_delimitermap_destroy()\n"));
+
+ ctx->reference_count--;
+ if (ctx->reference_count <= 0) {
+ TRACE(("idn_mapper_destroy(): the object is destroyed\n"));
+ free(ctx->delimiters);
+ free(ctx);
+ } else {
+ TRACE(("idn_delimitermap_destroy(): "
+ "update reference count (%d->%d)\n",
+ ctx->reference_count + 1, ctx->reference_count));
+ }
+}
+
+void
+idn_delimitermap_incrref(idn_delimitermap_t ctx) {
+ assert(ctx != NULL);
+
+ TRACE(("idn_delimitermap_incrref()\n"));
+ TRACE(("idn_delimitermap_incrref: update reference count (%d->%d)\n",
+ ctx->reference_count, ctx->reference_count + 1));
+
+ ctx->reference_count++;
+}
+
+idn_result_t
+idn_delimitermap_add(idn_delimitermap_t ctx, unsigned long delimiter) {
+ idn_result_t r;
+
+ assert(ctx != NULL && ctx->ndelimiters <= ctx->delimiter_size);
+ TRACE(("idn_delimitermap_add(delimiter=\\x%04lx)\n", delimiter));
+
+ if (delimiter == 0 || delimiter > UNICODE_MAX ||
+ IS_SURROGATE_HIGH(delimiter) || IS_SURROGATE_LOW(delimiter)) {
+ r = idn_invalid_codepoint;
+ goto ret;
+ }
+
+ if (ctx->ndelimiters == ctx->delimiter_size) {
+ unsigned long *new_delimiters;
+
+ new_delimiters = (unsigned long *) realloc(ctx->delimiters,
+ sizeof(unsigned long) * ctx->delimiter_size * 2);
+ if (new_delimiters == NULL) {
+ r = idn_nomemory;
+ goto ret;
+ }
+ ctx->delimiters = new_delimiters;
+ ctx->delimiter_size *= 2;
+ }
+
+ ctx->delimiters[ctx->ndelimiters] = delimiter;
+ ctx->ndelimiters++;
+ r = idn_success;
+
+ret:
+ TRACE(("idn_delimitermap_add(): %s\n", idn_result_tostring(r)));
+ return (r);
+}
+
+idn_result_t
+idn_delimitermap_addall(idn_delimitermap_t ctx, unsigned long *delimiters,
+ int ndelimiters) {
+ idn_result_t r;
+ int i;
+
+ assert(ctx != NULL && delimiters != NULL);
+
+ TRACE(("idn_delimitermap_addall(ndelimiters=%d)\n", ndelimiters));
+
+ for (i = 0; i < ndelimiters; i++) {
+ r = idn_delimitermap_add(ctx, *delimiters);
+ if (r != idn_success)
+ goto ret;
+ delimiters++;
+ }
+
+ r = idn_success;
+ret:
+ TRACE(("idn_delimitermap_addall(): %s\n", idn_result_tostring(r)));
+ return (r);
+}
+
+idn_result_t
+idn_delimitermap_map(idn_delimitermap_t ctx, const unsigned long *from,
+ unsigned long *to, size_t tolen) {
+
+ /* default delimiters (label separators) from IDNA specification */
+ static const unsigned long default_delimiters[] =
+ { 0x002e, /* full stop */
+ 0x3002, /* ideographic full stop */
+ 0xff0e, /* fullwidth full stop */
+ 0xff61, /* halfwidth ideographic full stop */
+ 0x0000 };
+
+ unsigned long *to_org = to;
+ idn_result_t r;
+ int i, j;
+ int found;
+
+ assert(ctx != NULL && from != NULL && to != NULL);
+
+ TRACE(("idn_delimitermap_map(from=\"%s\", tolen=%d)\n",
+ idn__debug_ucs4xstring(from, 50), (int)tolen));
+
+ /*
+ * Map.
+ */
+ while (*from != '\0') {
+ found = 0;
+ if (tolen < 1) {
+ r = idn_buffer_overflow;
+ goto ret;
+ }
+ for (j = 0; default_delimiters[j] != 0x0000; j++) {
+ if (default_delimiters[j] == *from) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ for (i = 0; i < ctx->ndelimiters; i++) {
+ if (ctx->delimiters[i] == *from) {
+ found = 1;
+ break;
+ }
+ }
+ }
+ if (found)
+ *to = '.';
+ else
+ *to = *from;
+ from++;
+ to++;
+ tolen--;
+ }
+
+ if (tolen < 1) {
+ r = idn_buffer_overflow;
+ goto ret;
+ }
+ *to = '\0';
+ r = idn_success;
+
+ret:
+ if (r == idn_success) {
+ TRACE(("idn_delimitermap_map(): success (to=\"%s\")\n",
+ idn__debug_ucs4xstring(to_org, 50)));
+ } else {
+ TRACE(("idn_delimitermap_map(): %s\n",
+ idn_result_tostring(r)));
+ }
+ return (r);
+}
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