generate_namespace_header

header=$SRCROOT/$NIMBUS_FEATURE_NAME/src/$PRODUCT_NAME+Namespace.h

echo "//
// Copyright 2011-2014 Jeff Verkoeyen
// This file has been automatically generated by Nimbus' namespacing script.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an \"AS IS\" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef __NIMBUS_NAMESPACE_PREFIX_
#error You must define __NIMBUS_NAMESPACE_PREFIX_ in your project settings in order to use a Nimbus namespace.
#else

#ifndef __NIMBUS_NS_SYMBOL
// We need to have multiple levels of macros here so that __NIMBUS_NAMESPACE_PREFIX_ is
// properly replaced by the time we concatenate the namespace prefix.
#define __NIMBUS_NS_REWRITE(ns, symbol) ns ## _ ## symbol
#define __NIMBUS_NS_BRIDGE(ns, symbol) __NIMBUS_NS_REWRITE(ns, symbol)
#define __NIMBUS_NS_SYMBOL(symbol) __NIMBUS_NS_BRIDGE(__NIMBUS_NAMESPACE_PREFIX_, symbol)
#endif
" > $header

# The following one-liner is a bit of a pain in the ass.
# Breakdown:
#
# nm $CODESIGNING_FOLDER_PATH -j
# Dump all of the symbols from the compiled library. This will include all UIKit
# and Foundation symbols as well.
#
# | grep "^_OBJC_CLASS_$_"
# Filter out the interfaces.
#
# | grep -v "\$_NS"
# Remove all Foundation classes.
#
# | grep -v "\$_UI"
# Remove all UIKit classes.
#
# | sed -e 's/_OBJC_CLASS_\$_\(.*\)/#ifndef \1\'$'\n''#define \1 __NIMBUS_NS_SYMBOL(\1)\'$'\n''#endif/g'
# I use the syntax outlined here:
# http://stackoverflow.com/questions/6761796/bash-perl-or-sed-insert-on-new-line-after-found-phrase
# to create newlines so that we can write the following on separate lines:
#
#  #ifndef ...
#  #define ...
#  #endif
#

echo "// Classes" >> $header

nm $CODESIGNING_FOLDER_PATH -j | sort | uniq | grep "^_OBJC_CLASS_$_" | grep -v "\$_NS" | grep -v "\$_UI" | sed -e 's/_OBJC_CLASS_\$_\(.*\)/#ifndef \1\'$'\n''#define \1 __NIMBUS_NS_SYMBOL(\1)\'$'\n''#endif/g' >> $header

echo "// Functions" >> $header

nm $CODESIGNING_FOLDER_PATH | sort | uniq | grep " T " | cut -d' ' -f3 | grep -v "\$_NS" | grep -v "\$_UI" | sed -e 's/_\(.*\)/#ifndef \1\'$'\n''#define \1 __NIMBUS_NS_SYMBOL(\1)\'$'\n''#endif/g' >> $header

echo "// Externs" >> $header

nm $CODESIGNING_FOLDER_PATH | sort | uniq | grep " D " | cut -d' ' -f3 | grep -v "\$_NS" | grep -v "\$_UI" | sed -e 's/_\(.*\)/#ifndef \1\'$'\n''#define \1 __NIMBUS_NS_SYMBOL(\1)\'$'\n''#endif/g' >> $header

nm $CODESIGNING_FOLDER_PATH | sort | uniq | grep " S " | cut -d' ' -f3 | grep -v "\$_NS" | grep -v ".eh" | grep -v "\$_UI" | grep -v "OBJC_" | sed -e 's/_\(.*\)/#ifndef \1\'$'\n''#define \1 __NIMBUS_NS_SYMBOL(\1)\'$'\n''#endif/g' >> $header

echo "#endif" >> $header