1 files changed, 81 insertions, 0 deletions
diff --git a/libraries/ilbc/extract-code.sh b/libraries/ilbc/extract-code.sh
new file mode 100644
index 0000000000..58202d1fe7
--- /dev/null
+++ b/libraries/ilbc/extract-code.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+
+# Copyright 2008 Mauro Giachero (mauro dot giachero at gmail dot com)
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This script extracts the source code files from rfc3951.txt, which
+# should be fed from stdin.
+# The first command line parameter, if provided, is used as the
+# extraction folder.
+
+set -e
+
+FILENAME=""
+
+# Create the extraction folder
+if [ "$1" != "" ] ; then
+  mkdir -p "$1"
+  cd "$1"
+fi
+
+# Jump to appendix A
+while :; do
+  if ! IFS= read LINE ; then
+    echo "Error: file ended prematurely." >&2
+    exit 1
+  fi
+
+  if [ "$LINE" = "APPENDIX A.  Reference Implementation" ]; then
+    break
+  fi
+done
+
+# Read the source code
+while :; do
+  if ! IFS= read LINE ; then
+    break
+  fi
+
+  if [ "${LINE:0:2}" = "A." ]; then             # Source file begin
+    FILENAME=`echo ${LINE:6}`
+    if [ -e $FILENAME ]; then
+      echo "Error: file '$FILENAME' already exists!"
+      exit 2
+    fi
+    echo "$FILENAME"
+  elif [ "${LINE:0:8}" = "Andersen" ]; then     # Footer
+    continue
+  elif [ "${LINE:0:3}" = "RFC" ]; then          # Header
+    continue
+  elif [ "$LINE" = "Authors' Addresses" ]; then # Appendix end
+    break
+  elif [ "$FILENAME" != "" ]; then              # File content
+    echo "$LINE" >>$FILENAME
+  fi
+done
+
+# One extra check, just in case
+if [ "$FILENAME" = "" ]; then
+  echo "Error: no source file found!"
+  exit 3
+fi
+
+# Apparently everything went ok
+exit 0