From 7f1b6ff70b97e424ce73314809838c7cd94f3ae7 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Wed, 22 Apr 2020 19:51:30 -0700
Subject: feat: interfaces of newick io more general. can now take arbitrary
 readers/writers

---
 sys/libbio/test.c | 47 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

(limited to 'sys/libbio/test.c')

diff --git a/sys/libbio/test.c b/sys/libbio/test.c
index 18bb993..3941290 100644
--- a/sys/libbio/test.c
+++ b/sys/libbio/test.c
@@ -33,6 +33,45 @@ bio·free(void *ptr)
 
 static mem·Allocator arena = {.alloc = &bio·alloc, .realloc = &bio·realloc, .free = &bio·free };
 
+// -----------------------------------------------------------------------
+// Read/writer
+
+static Stream* INPUT;
+
+static 
+byte
+get()
+{
+    return io·getbyte(INPUT);
+}
+
+static 
+error
+unget(byte c)
+{
+    return io·ungetbyte(INPUT, c);
+}
+
+static io·Peeker peeker = {.get = &get, .unget = &unget};
+
+static Stream* OUTPUT;
+
+static 
+error
+put(byte b)
+{
+    return io·putbyte(OUTPUT, b);
+}
+
+static 
+int
+putstr(string s)
+{
+    return io·putstring(OUTPUT, s);
+}
+
+static io·Putter putter = {.put = &put, .putstr = &putstr};
+
 // -----------------------------------------------------------------------
 // Point of entry for testing
 
@@ -54,11 +93,15 @@ main()
     fd[0] = io·open("/home/nolln/root/data/test/example.nwk", "r");
     fd[1] = io·open("/home/nolln/root/data/test/example.proc.nwk", "w");
 
+    INPUT  = fd[0];
+    OUTPUT = fd[1];
+
     printf("starting\n");
-    t   = bio·readnewick(fd[0], arena);
-    err = bio·writenewick(t, fd[1]);
+    t   = bio·readnewick(peeker, arena);
+    err = bio·writenewick(t, putter);
     printf("ending\n");
 
+    io·flush(fd[1]);
     io·close(fd[0]); io·close(fd[1]);
     return 0;
 }
-- 
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