Synched with Xpdf 1.01

1 files changed, 56 insertions, 0 deletions

diff --git a/pdf/xpdf/UTF8.h b/pdf/xpdf/UTF8.h
new file mode 100644
index 0000000..d707e2f
--- /dev/null
+++ b/pdf/xpdf/UTF8.h
@@ -0,0 +1,56 @@
+//========================================================================
+//
+// UTF8.h
+//
+// Copyright 2001-2002 Glyph & Cog, LLC
+//
+//========================================================================
+
+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 mapUCS2(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 {
+    return 0;
+  }
+}