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Xcode build phase script to preprocess a plist file
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#!/usr/bin/env bash | |
# Add this to a custom build phase script to enable preprocessing plist files. | |
# | |
# This takes as input all the input files from the build phase script | |
# and runs the preprocessor using the token definitions from the GCC_PREPROCESSOR_DEFINITIONS | |
# enviroment variable. | |
# | |
# This allows you to have the following plist: | |
# | |
# <dict> | |
# <key>SomeKey</key> | |
# #ifdef SOME_TOKEN | |
# <string>SomeValueA</string> | |
# #else | |
# <string>SomeValueB</string> | |
# #endif | |
# | |
# This script will keep either `<string>SomeValueA</string>` or `<string>SomeValueB</string>` | |
# and strip all the preprocessor commands | |
set -a | |
process_plist_file() { | |
local inputfile="${1}" | |
local outputfile="${2}" | |
# unifdef will exit with exit code 1 if no replacement is done | |
/usr/bin/unifdef -t $unifdef_symbols_options -o "$outputfile" "$inputfile" >&2> /dev/null | |
tempfile=$(mktemp) | |
/usr/bin/unifdefall "$outputfile" > "${tempfile}.plist" 2> /dev/null | |
} | |
export -f process_plist_file | |
# Type a script or drag a script file from your workspace to insert its path. | |
# You can also use the ACTIVE_COMPILATION_CONDITIONS here | |
preprocessor_definitions=$GCC_PREPROCESSOR_DEFINITIONS | |
echo "preprocessor definitions ${preprocessor_definitions}" | |
unifdef_symbols_options="" | |
for definition in $preprocessor_definitions; do | |
unifdef_symbols_options="-D${definition} ${unifdef_symbols_options}" | |
done | |
COUNTER=0 | |
while [ $COUNTER -lt "$SCRIPT_INPUT_FILE_COUNT" ]; do | |
tmpinput="SCRIPT_INPUT_FILE_$COUNTER" | |
INPUTFILE=${!tmpinput} | |
tmpoutput="SCRIPT_OUTPUT_FILE_$COUNTER" | |
OUPTUTFILE=${!tmpoutput} | |
# if given input file is .bundle, process all .plist files inside it. | |
if [[ $INPUTFILE =~ -template\.bundle$ && -d $INPUTFILE ]]; then | |
rm -rf "${OUPTUTFILE}" || true | |
cp -r "${INPUTFILE}" "${OUPTUTFILE}" | |
# Process each .plist inside bundle | |
find ${INPUTFILE} -type f -name '*.plist' -exec /bin/bash -c 'process_plist_file "$0" "${0/$INPUTFILE/$OUPTUTFILE}"' {} \; | |
elif [[ $INPUTFILE =~ -template\.plist$ && -f $INPUTFILE ]]; then | |
rm -f "${OUPTUTFILE}" || true | |
process_plist_file "$INPUTFILE" "$OUPTUTFILE" | |
else | |
echo "Error: Unknown input file \"$INPUTFILE\" type/format. Input files should have the following pattern: Info-XYZ-template.plist or XYZ-template.bundle" | |
exit 1 | |
fi | |
(( COUNTER=COUNTER+1 )) | |
done | |
set +a |
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