From 6db99f51209ebde97311df3aac081f82589319cb Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Fri, 29 Oct 2021 11:10:29 -0700
Subject: implemented functionality to compute rune widths from unicode data

---
 sys/libunicode/vendor/common.h | 46 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 sys/libunicode/vendor/common.h

(limited to 'sys/libunicode/vendor/common.h')

diff --git a/sys/libunicode/vendor/common.h b/sys/libunicode/vendor/common.h
new file mode 100644
index 0000000..17cb113
--- /dev/null
+++ b/sys/libunicode/vendor/common.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <u.h>
+#include <base.h>
+#include <libunicode.h>
+
+enum
+{
+    // Fields inside UnicodeData.txt
+    Fcode,
+    Fname,
+    Fcategory,
+    Fcombine,
+    Fbidir,
+    Fdecomp,
+    Fdecimal,
+    Fdigit,
+    Fnumeric,
+    Fmirror,
+    Foldname,
+    Fcomment,
+    Fupper,
+    Flower,
+    Ftitle,
+
+    NumFields,
+    NumRunes = 1 << 21,
+};
+
+/* input functions */
+enum
+{
+    ParseEOF,
+    ParseOK,
+    ParseSkip,
+};
+
+int  parse(io·Stream *io, int nfield, char **field, int len, char *line);
+int  codepoint(char *s);
+void codepointrange(io·Stream *utf8, char *field[NumFields], int *start,  int *stop);
+
+/* output functions */
+void putsearch(void);
+int  putrange(char *ident, char *prop, int force);
+int  putpair(char *ident, char *prop);
+int  putsingle(char *ident, char *prop);
-- 
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