From 11d28d80ff0adb471c440a8f7d6c362d6f303006 Mon Sep 17 00:00:00 2001
From: Rich Gowman <rgowman@google.com>
Date: Wed, 31 Jan 2018 14:12:07 -0500
Subject: Add instructions for building nanopb protos

Currently only supported on osx
---
 Firestore/Protos/README.md                                   | 10 ++++++++++
 Firestore/Protos/build-protos.sh                             | 12 +++++++++++-
 Firestore/Protos/protos/google/api/http.options              |  1 +
 .../Protos/protos/google/firestore/v1beta1/document.options  |  1 +
 .../Protos/protos/google/firestore/v1beta1/firestore.options |  6 ++++++
 .../Protos/protos/google/firestore/v1beta1/write.options     |  1 +
 Firestore/Protos/protos/google/protobuf/struct.options       |  1 +
 7 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 Firestore/Protos/protos/google/api/http.options
 create mode 100644 Firestore/Protos/protos/google/firestore/v1beta1/document.options
 create mode 100644 Firestore/Protos/protos/google/firestore/v1beta1/firestore.options
 create mode 100644 Firestore/Protos/protos/google/firestore/v1beta1/write.options
 create mode 100644 Firestore/Protos/protos/google/protobuf/struct.options

(limited to 'Firestore/Protos')

diff --git a/Firestore/Protos/README.md b/Firestore/Protos/README.md
index cb6d90e..6137ff6 100644
--- a/Firestore/Protos/README.md
+++ b/Firestore/Protos/README.md
@@ -1,5 +1,15 @@
 ## Usage
 
+First, build protobuf and nanopb
+```
+cd firebase-ios-sdk
+mkdir -p build
+cd build
+cmake ..
+make -j protobuf nanopb
+```
+
+Next, build the protos:
 ```
 cd firebase-ios-sdk/Firestore/Protos
 ./build-protos.sh
diff --git a/Firestore/Protos/build-protos.sh b/Firestore/Protos/build-protos.sh
index 4cfb12e..5c3aa53 100755
--- a/Firestore/Protos/build-protos.sh
+++ b/Firestore/Protos/build-protos.sh
@@ -20,7 +20,17 @@ rm Podfile.lock
 pod update
 
 # Generate the objective C files from the protos.
-./Pods/!ProtoCompiler/protoc --plugin=protoc-gen-grpc=Pods/\!ProtoCompiler-gRPCPlugin/grpc_objective_c_plugin -I protos --objc_out=objc --grpc_out=objc `find protos -name *.proto -print | xargs`
+./Pods/!ProtoCompiler/protoc \
+  --plugin=protoc-gen-grpc=Pods/\!ProtoCompiler-gRPCPlugin/grpc_objective_c_plugin \
+  --plugin=../../build/external/nanopb/src/nanopb-build/generator/protoc-gen-nanopb \
+  -I protos --objc_out=objc --grpc_out=objc \
+  --nanopb_out="--options-file=protos/%s.options:nanopb" \
+  `find protos -name *.proto -print | xargs`
+
+# If a proto uses a field named 'delete', nanopb happily uses that in the
+# message definition. Works fine for C; not so much for C++. Rename uses of this
+# to delete_ (which is how protoc does it for c++ files.)
+perl -i -pe 's/\bdelete\b/delete_/g' `find nanopb -type f`
 
 # CocoaPods does not like paths in library imports, flatten them.
 
diff --git a/Firestore/Protos/protos/google/api/http.options b/Firestore/Protos/protos/google/api/http.options
new file mode 100644
index 0000000..6ddde53
--- /dev/null
+++ b/Firestore/Protos/protos/google/api/http.options
@@ -0,0 +1 @@
+google.api.HttpRule.pattern no_unions:true
diff --git a/Firestore/Protos/protos/google/firestore/v1beta1/document.options b/Firestore/Protos/protos/google/firestore/v1beta1/document.options
new file mode 100644
index 0000000..e671c43
--- /dev/null
+++ b/Firestore/Protos/protos/google/firestore/v1beta1/document.options
@@ -0,0 +1 @@
+google.firestore.v1beta1.Value.value_type no_unions:true
diff --git a/Firestore/Protos/protos/google/firestore/v1beta1/firestore.options b/Firestore/Protos/protos/google/firestore/v1beta1/firestore.options
new file mode 100644
index 0000000..71a05d4
--- /dev/null
+++ b/Firestore/Protos/protos/google/firestore/v1beta1/firestore.options
@@ -0,0 +1,6 @@
+google.firestore.v1beta1.GetDocumentRequest.consistency_selector no_unions:true
+google.firestore.v1beta1.ListDocumentsRequest.consistency_selector no_unions:true
+google.firestore.v1beta1.RunQueryRequest.consistency_selector no_unions:true
+google.firestore.v1beta1.BatchGetDocumentsRequest.consistency_selector no_unions:true
+google.firestore.v1beta1.BatchGetDocumentsResponse.result no_unions:true
+google.firestore.v1beta1.Target.resume_type no_unions:true
diff --git a/Firestore/Protos/protos/google/firestore/v1beta1/write.options b/Firestore/Protos/protos/google/firestore/v1beta1/write.options
new file mode 100644
index 0000000..41c6a34
--- /dev/null
+++ b/Firestore/Protos/protos/google/firestore/v1beta1/write.options
@@ -0,0 +1 @@
+google.firestore.v1beta1.Write.operation no_unions:true
diff --git a/Firestore/Protos/protos/google/protobuf/struct.options b/Firestore/Protos/protos/google/protobuf/struct.options
new file mode 100644
index 0000000..56fa2d0
--- /dev/null
+++ b/Firestore/Protos/protos/google/protobuf/struct.options
@@ -0,0 +1 @@
+google.protobuf.Value.kind no_unions:true
-- 
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