#!/bin/bash -eu
# Invoked by the Xcode projects to build the protos needed for the unittests.
readonly OUTPUT_DIR="${PROJECT_DERIVED_FILE_DIR}/protos"
# -----------------------------------------------------------------------------
# Helper for bailing.
die() {
echo "Error: $1"
exit 2
}
# -----------------------------------------------------------------------------
# What to do.
case "${ACTION}" in
"")
# Build, fall thru
;;
"clean")
rm -rf "${OUTPUT_DIR}"
exit 0
;;
*)
die "Unknown action requested: ${ACTION}"
;;
esac
# -----------------------------------------------------------------------------
# Reusing a bunch of the protos from the protocolbuffers/protobuf tree, this
# can include some extras as there is no harm in ensuring work for C++
# generation.
CORE_PROTO_FILES=(
src/google/protobuf/any_test.proto
src/google/protobuf/unittest_arena.proto
src/google/protobuf/unittest_custom_options.proto
src/google/protobuf/unittest_enormous_descriptor.proto
src/google/protobuf/unittest_embed_optimize_for.proto
src/google/protobuf/unittest_empty.proto
src/google/protobuf/unittest_import.proto
src/google/protobuf/unittest_import_lite.proto
src/google/protobuf/unittest_lite.proto
src/google/protobuf/unittest_mset.proto
src/google/protobuf/unittest_mset_wire_format.proto
src/google/protobuf/unittest_no_generic_services.proto
src/google/protobuf/unittest_optimize_for.proto
src/google/protobuf/unittest.proto
src/google/protobuf/unittest_import_public.proto
src/google/protobuf/unittest_import_public_lite.proto
src/google/protobuf/unittest_drop_unknown_fields.proto
src/google/protobuf/unittest_preserve_unknown_enum.proto
src/google/protobuf/map_lite_unittest.proto
src/google/protobuf/map_proto2_unittest.proto
src/google/protobuf/map_unittest.proto
# The unittest_custom_options.proto extends the messages in descriptor.proto
# so we build it in to test extending in general. The library doesn't provide
# a descriptor as it doesn't use the classes/enums.
src/google/protobuf/descriptor.proto
)
# -----------------------------------------------------------------------------
# The objc unittest specific proto files.
OBJC_TEST_PROTO_FILES=(
objectivec/Tests/unittest_cycle.proto
objectivec/Tests/unittest_deprecated.proto
objectivec/Tests/unittest_deprecated_file.proto
objectivec/Tests/unittest_extension_chain_a.proto
objectivec/Tests/unittest_extension_chain_b.proto
objectivec/Tests/unittest_extension_chain_c.proto
objectivec/Tests/unittest_extension_chain_d.proto
objectivec/Tests/unittest_extension_chain_e.proto
objectivec/Tests/unittest_extension_chain_f.proto
objectivec/Tests/unittest_extension_chain_g.proto
objectivec/Tests/unittest_objc.proto
objectivec/Tests/unittest_objc_startup.proto
objectivec/Tests/unittest_objc_options.proto
objectivec/Tests/unittest_runtime_proto2.proto
objectivec/Tests/unittest_runtime_proto3.proto
)
OBJC_EXTENSIONS=( .pbobjc.h .pbobjc.m )
# -----------------------------------------------------------------------------
# Ensure the output dir exists
mkdir -p "${OUTPUT_DIR}/google/protobuf"
# -----------------------------------------------------------------------------
# Move to the top of the protobuf directories and ensure there is a protoc
# binary to use.
cd "${SRCROOT}/.."
[[ -x src/protoc ]] || \
die "Could not find the protoc binary; make sure you have built it (objectivec/DevTools/full_mac_build.sh -h)."
# -----------------------------------------------------------------------------
RUN_PROTOC=no
# Check to if all the output files exist (in case a new one got added).
for PROTO_FILE in "${CORE_PROTO_FILES[@]}" "${OBJC_TEST_PROTO_FILES[@]}"; do
DIR=${PROTO_FILE%/*}
BASE_NAME=${PROTO_FILE##*/}
# Drop the extension
BASE_NAME=${BASE_NAME%.*}
OBJC_NAME=$(echo "${BASE_NAME}" | awk -F _ '{for(i=1; i<=NF; i++) printf "%s", toupper(substr($i,1,1)) substr($i,2);}')
for EXT in "${OBJC_EXTENSIONS[@]}"; do
if [[ ! -f "${OUTPUT_DIR}/google/protobuf/${OBJC_NAME}${EXT}" ]]; then
RUN_PROTOC=yes
fi
done
done
# If we haven't decided to run protoc because of a missing file, check to see if
# an input has changed.
if [[ "${RUN_PROTOC}" != "yes" ]] ; then
# Find the newest input file (protos, compiler, and this script).
# (these patterns catch some extra stuff, but better to over sample than
# under)
readonly NewestInput=$(find \
src/google/protobuf/*.proto \
objectivec/Tests/*.proto \
src/.libs src/*.la src/protoc \
objectivec/DevTools/compile_testing_protos.sh \
-type f -print0 \
| xargs -0 stat -f "%m %N" \
| sort -n | tail -n1 | cut -f2- -d" ")
# Find the oldest output file.
readonly OldestOutput=$(find \
"${OUTPUT_DIR}" \
-type f -name "*.pbobjc.[hm]" -print0 \
| xargs -0 stat -f "%m %N" \
| sort -n -r | tail -n1 | cut -f2- -d" ")
# If the newest input is newer than the oldest output, regenerate.
if [[ "${NewestInput}" -nt "${OldestOutput}" ]] ; then
RUN_PROTOC=yes
fi
fi
if [[ "${RUN_PROTOC}" != "yes" ]] ; then
# Up to date.
exit 0
fi
# -----------------------------------------------------------------------------
# Prune out all the files from previous generations to ensure we only have
# current ones.
find "${OUTPUT_DIR}" \
-type f -name "*.pbobjc.[hm]" -print0 \
| xargs -0 rm -rf
# -----------------------------------------------------------------------------
# Helper to invoke protoc
compile_protos() {
src/protoc \
--objc_out="${OUTPUT_DIR}/google/protobuf" \
--proto_path=src/google/protobuf/ \
--proto_path=src \
--experimental_allow_proto3_optional \
"$@"
}
# -----------------------------------------------------------------------------
# Generate most of the proto files that exist in the C++ src tree.
# Note: there is overlap in package.Message names between some of the test
# files, so they can't be generated all at once. This works because the overlap
# isn't linked into a single binary.
for a_proto in "${CORE_PROTO_FILES[@]}" ; do
compile_protos "${a_proto}"
done
# -----------------------------------------------------------------------------
# Generate the Objective C specific testing protos.
compile_protos \
--proto_path="objectivec/Tests" \
"${OBJC_TEST_PROTO_FILES[@]}"
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