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-rw-r--r--Build/source/libs/poppler/poppler-src/poppler/UnicodeMapFuncs.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/Build/source/libs/poppler/poppler-src/poppler/UnicodeMapFuncs.h b/Build/source/libs/poppler/poppler-src/poppler/UnicodeMapFuncs.h
new file mode 100644
index 00000000000..b89ee6ebecc
--- /dev/null
+++ b/Build/source/libs/poppler/poppler-src/poppler/UnicodeMapFuncs.h
@@ -0,0 +1,85 @@
+//========================================================================
+//
+// UnicodeMapFuncs.h
+//
+// Copyright 2001-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+//========================================================================
+//
+// Modified under the Poppler project - http://poppler.freedesktop.org
+//
+// All changes made under the Poppler project to this file are licensed
+// under GPL version 2 or later
+//
+// Copyright (C) 2008 Koji Otani <sho@bbr.jp>
+// Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com>
+//
+// To see a description of the changes please see the Changelog file that
+// came with your tarball or type make ChangeLog if you are building from git
+//
+//========================================================================
+
+static int mapUTF8(Unicode u, char *buf, int bufSize) {
+ if (u <= 0x0000007f) {
+ if (bufSize < 1) {
+ return 0;
+ }
+ buf[0] = (char)u;
+ return 1;
+ } else if (u <= 0x000007ff) {
+ if (bufSize < 2) {
+ return 0;
+ }
+ buf[0] = (char)(0xc0 + (u >> 6));
+ buf[1] = (char)(0x80 + (u & 0x3f));
+ return 2;
+ } else if (u <= 0x0000ffff) {
+ if (bufSize < 3) {
+ return 0;
+ }
+ buf[0] = (char)(0xe0 + (u >> 12));
+ buf[1] = (char)(0x80 + ((u >> 6) & 0x3f));
+ buf[2] = (char)(0x80 + (u & 0x3f));
+ return 3;
+ } else if (u <= 0x0010ffff) {
+ if (bufSize < 4) {
+ return 0;
+ }
+ buf[0] = (char)(0xf0 + (u >> 18));
+ buf[1] = (char)(0x80 + ((u >> 12) & 0x3f));
+ buf[2] = (char)(0x80 + ((u >> 6) & 0x3f));
+ buf[3] = (char)(0x80 + (u & 0x3f));
+ return 4;
+ } else {
+ return 0;
+ }
+}
+
+static int mapUTF16(Unicode u, char *buf, int bufSize) {
+ if (u <= 0xffff) {
+ if (bufSize < 2) {
+ return 0;
+ }
+ buf[0] = (char)((u >> 8) & 0xff);
+ buf[1] = (char)(u & 0xff);
+ return 2;
+ } else if (u < 0x110000) {
+ Unicode uu;
+
+ /* using surrogate pair */
+ if (bufSize < 4) {
+ return 0;
+ }
+ uu = ((u - 0x10000) >> 10) + 0xd800;
+ buf[0] = (char)((uu >> 8) & 0xff);
+ buf[1] = (char)(uu & 0xff);
+ uu = (u & 0x3ff)+0xdc00;
+ buf[2] = (char)((uu >> 8) & 0xff);
+ buf[3] = (char)(uu & 0xff);
+ return 4;
+ } else {
+ return 0;
+ }
+}