From 037ad0360056ec38eda1b3b8a74cd3ae4371630f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 21 Jul 2018 14:47:30 +0200
Subject: Add binding support executable stub for manifest parsing

---
 libbutl/.gitignore                  |  1 +
 libbutl/buildfile                   | 12 ++++++--
 libbutl/manifest-parser.bash.in     |  7 +----
 libbutl/manifest-serializer.bash.in |  3 ++
 libbutl/manifest.cxx                | 59 +++++++++++++++++++++++++++++++++++++
 libbutl/utility.bash.in             | 12 ++++++++
 6 files changed, 86 insertions(+), 8 deletions(-)
 create mode 100644 libbutl/.gitignore
 create mode 100644 libbutl/manifest.cxx

(limited to 'libbutl')

diff --git a/libbutl/.gitignore b/libbutl/.gitignore
new file mode 100644
index 0000000..6b2eb75
--- /dev/null
+++ b/libbutl/.gitignore
@@ -0,0 +1 @@
+manifest
diff --git a/libbutl/buildfile b/libbutl/buildfile
index 1255424..03dd084 100644
--- a/libbutl/buildfile
+++ b/libbutl/buildfile
@@ -2,8 +2,16 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
+import libs = libbutl%lib{butl}
+
 ./: bash{$path.base($path.base(*.bash.in))}
 
 bash{utility}:             in{utility}
-bash{manifest-parser}:     in{manifest-parser} bash{utility}
-bash{manifest-serializer}: in{manifest-serializer} bash{utility}
+bash{manifest-parser}:     in{manifest-parser}     bash{utility} exe{manifest}
+bash{manifest-serializer}: in{manifest-serializer} bash{utility} exe{manifest}
+
+exe{manifest}: cxx{manifest} $libs
+
+# Install our binding support executables next to the modules.
+#
+exe{*}: install = bin/libbutl/
diff --git a/libbutl/manifest-parser.bash.in b/libbutl/manifest-parser.bash.in
index 3ac2fc7..4af565a 100644
--- a/libbutl/manifest-parser.bash.in
+++ b/libbutl/manifest-parser.bash.in
@@ -22,12 +22,7 @@ fi
 #
 function butl_parse_manifest ()
 {
-  printf ":1\0"
-  printf "name:foo\0"
-  printf "version:1.2.3\0"
-  printf "description:foo\nexecutable\0"
-  printf "depends:libfoo\0"
-  printf "depends:libbar\0"
+  "$(butl_path)/manifest" parse
 }
 
 # Start the manifest parsing co-process setting the following "return"
diff --git a/libbutl/manifest-serializer.bash.in b/libbutl/manifest-serializer.bash.in
index c180a4b..24eac65 100644
--- a/libbutl/manifest-serializer.bash.in
+++ b/libbutl/manifest-serializer.bash.in
@@ -17,6 +17,9 @@ fi
 #
 function butl_serialize_manifest ()
 {
+  # @@ TODO
+  #"$(butl_path)/manifest" serialize
+
   local n v
   while IFS=: read -r -d '' n v; do
     printf "$n: $v\n"
diff --git a/libbutl/manifest.cxx b/libbutl/manifest.cxx
new file mode 100644
index 0000000..9319b71
--- /dev/null
+++ b/libbutl/manifest.cxx
@@ -0,0 +1,59 @@
+// file      : libbutl/manifest.cxx
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <string>
+#include <iostream>
+
+#include <libbutl/utility.mxx>
+#include <libbutl/manifest-parser.mxx>
+#include <libbutl/manifest-serializer.mxx>
+
+using namespace std;
+using namespace butl;
+
+static int
+cmd_parse ()
+{
+  //@@ TODO
+
+  const char m[] =
+    ":1\0"
+    "name:foo\0"
+    "version:1.2.3\0"
+    "description:foo\nexecutable\0"
+    "depends:libfoo\0"
+    "depends:libbar"; // Last \0 will be added.
+
+  cout.write (m, sizeof (m));
+
+  return 0;
+}
+
+static int
+cmd_serialize ()
+{
+  //@@ TODO
+
+  return 0;
+}
+
+int
+main (int argc, char* argv[])
+{
+  // We should switch to CLI if we need anything more elaborate.
+  //
+  if (argc < 2)
+  {
+    cerr << "error: missing command" << endl;
+    return 1;
+  }
+
+  string c (argv[1]);
+
+  if (c == "parse")     return cmd_parse ();
+  if (c == "serialize") return cmd_serialize ();
+
+  cerr << "error: unknown command '" << c << "'" << endl;
+  return 1;
+}
diff --git a/libbutl/utility.bash.in b/libbutl/utility.bash.in
index e284c55..1face1a 100644
--- a/libbutl/utility.bash.in
+++ b/libbutl/utility.bash.in
@@ -12,3 +12,15 @@ if (( BASH_VERSINFO[0] < 4 || BASH_VERSINFO[0] == 4 && BASH_VERSINFO[1] < 3 ));
   echo 'error: bash 4.3 or later is required' 2>&1
   exit 1
 fi
+
+# Return the libbutl/ module directory.
+#
+# This is used to run the binding support executables.
+#
+function butl_path ()
+{
+  # BASH_SOURCE[0] contains the source path of the function being executed
+  # (that is, us).
+  #
+  dirname "${BASH_SOURCE[0]}"
+}
-- 
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