From 66c20b1996bf38ff78deb3672d1ec3bb6400f126 Mon Sep 17 00:00:00 2001
From: Krasimir Angelov <kr.angelov@gmail.com>
Date: Mon, 25 Sep 2017 10:36:38 +0200
Subject: handle BIND & CAPIT in bracketedLinearize for Java

---
 src/runtime/java/jni_utils.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'src/runtime/java/jni_utils.c')

diff --git a/src/runtime/java/jni_utils.c b/src/runtime/java/jni_utils.c
index f897b8372..13edd812d 100644
--- a/src/runtime/java/jni_utils.c
+++ b/src/runtime/java/jni_utils.c
@@ -1,6 +1,8 @@
 #include <jni.h>
 #include <gu/utf8.h>
 #include <gu/string.h>
+#include <pgf/pgf.h>
+#include <pgf/linearizer.h>
 #include "jni_utils.h"
 #ifndef __MINGW32__
 #include <alloca.h>
@@ -59,6 +61,35 @@ gu2j_string_buf(JNIEnv *env, GuStringBuf* sbuf) {
 	return gu2j_string_len(env, gu_string_buf_data(sbuf), gu_string_buf_length(sbuf));
 }
 
+JPGF_INTERNAL jstring
+gu2j_string_capit(JNIEnv *env, GuString s, PgfCapitState capit) {
+	const char* utf8 = s;
+	size_t len = strlen(s);
+
+	jchar* utf16 = alloca(len*sizeof(jchar));
+	jchar* dst   = utf16;
+	while (s-utf8 < len) {
+		GuUCS ucs = gu_utf8_decode((const uint8_t**) &s);
+
+		if (capit == PGF_CAPIT_FIRST) {
+			ucs = gu_ucs_to_upper(ucs);
+			capit == PGF_CAPIT_NONE;
+		} else if (capit == PGF_CAPIT_NEXT) {
+			ucs = gu_ucs_to_upper(ucs);
+		}
+
+		if (ucs <= 0xFFFF) {
+			*dst++ = ucs;
+		} else {
+			ucs -= 0x10000;
+			*dst++ = 0xD800+((ucs >> 10) & 0x3FF);
+			*dst++ = 0xDC00+(ucs & 0x3FF);
+		}
+	}
+
+	return (*env)->NewString(env, utf16, dst-utf16);
+}
+
 JPGF_INTERNAL GuString
 j2gu_string(JNIEnv *env, jstring s, GuPool* pool) {
 	GuString str = (*env)->GetStringUTFChars(env, s, 0);
-- 
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