From b9f441e81e89728f284f61991e14748208817efd Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Tue, 11 Aug 2020 12:10:23 +0300
Subject: [Complex Text Layouts] Add third-party TextServer dependencies (ICU,
 HarfBuzz, Graphite).

---
 thirdparty/icu4c/common/ucat.cpp | 78 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 thirdparty/icu4c/common/ucat.cpp

(limited to 'thirdparty/icu4c/common/ucat.cpp')

diff --git a/thirdparty/icu4c/common/ucat.cpp b/thirdparty/icu4c/common/ucat.cpp
new file mode 100644
index 0000000000..dac56eeb5c
--- /dev/null
+++ b/thirdparty/icu4c/common/ucat.cpp
@@ -0,0 +1,78 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (c) 2003, International Business Machines
+* Corporation and others.  All Rights Reserved.
+**********************************************************************
+* Author: Alan Liu
+* Created: March 19 2003
+* Since: ICU 2.6
+**********************************************************************
+*/
+#include "unicode/ucat.h"
+#include "unicode/ustring.h"
+#include "cstring.h"
+#include "uassert.h"
+
+/* Separator between set_num and msg_num */
+static const char SEPARATOR = '%';
+
+/* Maximum length of a set_num/msg_num key, incl. terminating zero.
+ * Longest possible key is "-2147483648%-2147483648" */
+#define MAX_KEY_LEN (24)
+
+/**
+ * Fill in buffer with a set_num/msg_num key string, given the numeric
+ * values. Numeric values must be >= 0. Buffer must be of length
+ * MAX_KEY_LEN or more.
+ */
+static char*
+_catkey(char* buffer, int32_t set_num, int32_t msg_num) {
+    int32_t i = 0;
+    i = T_CString_integerToString(buffer, set_num, 10);
+    buffer[i++] = SEPARATOR;
+    T_CString_integerToString(buffer+i, msg_num, 10);
+    return buffer;
+}
+
+U_CAPI u_nl_catd U_EXPORT2
+u_catopen(const char* name, const char* locale, UErrorCode* ec) {
+    return (u_nl_catd) ures_open(name, locale, ec);
+}
+
+U_CAPI void U_EXPORT2
+u_catclose(u_nl_catd catd) {
+    ures_close((UResourceBundle*) catd); /* may be NULL */
+}
+
+U_CAPI const UChar* U_EXPORT2
+u_catgets(u_nl_catd catd, int32_t set_num, int32_t msg_num,
+          const UChar* s,
+          int32_t* len, UErrorCode* ec) {
+
+    char key[MAX_KEY_LEN];
+    const UChar* result;
+
+    if (ec == NULL || U_FAILURE(*ec)) {
+        goto ERROR;
+    }
+
+    result = ures_getStringByKey((const UResourceBundle*) catd,
+                                 _catkey(key, set_num, msg_num),
+                                 len, ec);
+    if (U_FAILURE(*ec)) {
+        goto ERROR;
+    }
+
+    return result;
+
+ ERROR:
+    /* In case of any failure, return s */
+    if (len != NULL) {
+        *len = u_strlen(s);
+    }
+    return s;
+}
+
+/*eof*/
-- 
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