#!/bin/bash
# Generates C# source files from .proto files.
# You first need to make sure protoc has been built (see instructions on
# building protoc in root of this repository)

set -ex

# cd to repository root
pushd $[dirname $0]/..

# Protocol buffer compiler to use. If the PROTOC variable is set,
# use that. Otherwise, probe for expected locations under both
# Windows and Unix.
if test -z $PROTOC {
  # TODO(jonskeet): Use an array and a for loop instead?
  if test -x cmake/build/Debug/protoc.exe {
    global PROTOC := 'cmake/build/Debug/protoc.exe'
  } elif test -x cmake/build/Release/protoc.exe {
    global PROTOC := 'cmake/build/Release/protoc.exe'
  } elif test -x src/protoc {
    global PROTOC := 'src/protoc'
  } else {
    echo "Unable to find protocol buffer compiler."
    exit 1
  }
}

# descriptor.proto and well-known types
$PROTOC -Isrc --csharp_out=csharp/src/Google.Protobuf \
    --csharp_opt=base_namespace=Google.Protobuf \
    src/google/protobuf/descriptor.proto \
    src/google/protobuf/any.proto \
    src/google/protobuf/api.proto \
    src/google/protobuf/duration.proto \
    src/google/protobuf/empty.proto \
    src/google/protobuf/field_mask.proto \
    src/google/protobuf/source_context.proto \
    src/google/protobuf/struct.proto \
    src/google/protobuf/timestamp.proto \
    src/google/protobuf/type.proto \
    src/google/protobuf/wrappers.proto

# Test protos where the namespace matches the target location
$PROTOC -Isrc --csharp_out=csharp/src/Google.Protobuf.Test \
    --csharp_opt=base_namespace=Google.Protobuf \
    src/google/protobuf/map_unittest_proto3.proto \
    src/google/protobuf/unittest_proto3.proto \
    src/google/protobuf/unittest_import_proto3.proto \
    src/google/protobuf/unittest_import_public_proto3.proto \
    src/google/protobuf/unittest_well_known_types.proto

# Different base namespace to the protos above
$PROTOC -Icsharp/protos --csharp_out=csharp/src/Google.Protobuf.Test \
    --csharp_opt=base_namespace=UnitTest.Issues \
    csharp/protos/unittest_issues.proto

# AddressBook sample protos
$PROTOC -Iexamples --csharp_out=csharp/src/AddressBook \
    examples/addressbook.proto

$PROTOC -Iconformance -Isrc --csharp_out=csharp/src/Google.Protobuf.Conformance \
    conformance/conformance.proto
(CommandList
  children: [
    (C {(set)} {(-ex)})
    (C {(pushd)} 
      {
        (CommandSubPart
          command_list: (CommandList children:[(C {(dirname)} {($ VSub_Number "$0")})])
          left_token: <Left_CommandSub "$(">
          spids: [23 27]
        ) (/..)
      }
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other "[")} {(-z)} {(DQ ($ VSub_Name "$PROTOC"))} {(Lit_Other "]")})
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other "[")} {(-x)} {(cmake/build/Debug/protoc.exe)} {(Lit_Other "]")})
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:PROTOC)
                          op: Equal
                          rhs: {(cmake/build/Debug/protoc.exe)}
                          spids: [74]
                        )
                      ]
                      spids: [74]
                    )
                  ]
                  spids: [-1 71]
                )
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other "[")} {(-x)} {(cmake/build/Release/protoc.exe)} {(Lit_Other "]")})
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:PROTOC)
                          op: Equal
                          rhs: {(cmake/build/Release/protoc.exe)}
                          spids: [92]
                        )
                      ]
                      spids: [92]
                    )
                  ]
                  spids: [78 89]
                )
                (if_arm
                  cond: [
                    (Sentence
                      child: (C {(Lit_Other "[")} {(-x)} {(src/protoc)} {(Lit_Other "]")})
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:PROTOC)
                          op: Equal
                          rhs: {(src/protoc)}
                          spids: [110]
                        )
                      ]
                      spids: [110]
                    )
                  ]
                  spids: [96 107]
                )
              ]
              else_action: [
                (C {(echo)} {(DQ ("Unable to find protocol buffer compiler."))})
                (C {(exit)} {(1)})
              ]
              spids: [114 129]
            )
          ]
          spids: [-1 53]
        )
      ]
      spids: [-1 131]
    )
    (C {($ VSub_Name "$PROTOC")} {(-Isrc)} {(--csharp_out) (Lit_Other "=") (csharp/src/Google.Protobuf)} 
      {(--csharp_opt) (Lit_Other "=") (Lit_VarLike "base_namespace=") (Google.Protobuf)} {(src/google/protobuf/descriptor.proto)} {(src/google/protobuf/any.proto)} 
      {(src/google/protobuf/api.proto)} {(src/google/protobuf/duration.proto)} {(src/google/protobuf/empty.proto)} 
      {(src/google/protobuf/field_mask.proto)} {(src/google/protobuf/source_context.proto)} {(src/google/protobuf/struct.proto)} 
      {(src/google/protobuf/timestamp.proto)} {(src/google/protobuf/type.proto)} {(src/google/protobuf/wrappers.proto)}
    )
    (C {($ VSub_Name "$PROTOC")} {(-Isrc)} 
      {(--csharp_out) (Lit_Other "=") (csharp/src/Google.Protobuf.Test)} {(--csharp_opt) (Lit_Other "=") (Lit_VarLike "base_namespace=") (Google.Protobuf)} 
      {(src/google/protobuf/map_unittest_proto3.proto)} {(src/google/protobuf/unittest_proto3.proto)} {(src/google/protobuf/unittest_import_proto3.proto)} 
      {(src/google/protobuf/unittest_import_public_proto3.proto)} {(src/google/protobuf/unittest_well_known_types.proto)}
    )
    (C {($ VSub_Name "$PROTOC")} {(-Icsharp/protos)} 
      {(--csharp_out) (Lit_Other "=") (csharp/src/Google.Protobuf.Test)} {(--csharp_opt) (Lit_Other "=") (Lit_VarLike "base_namespace=") (UnitTest.Issues)} 
      {(csharp/protos/unittest_issues.proto)}
    )
    (C {($ VSub_Name "$PROTOC")} {(-Iexamples)} 
      {(--csharp_out) (Lit_Other "=") (csharp/src/AddressBook)} {(examples/addressbook.proto)}
    )
    (C {($ VSub_Name "$PROTOC")} {(-Iconformance)} {(-Isrc)} 
      {(--csharp_out) (Lit_Other "=") (csharp/src/Google.Protobuf.Conformance)} {(conformance/conformance.proto)}
    )
  ]
)