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Added the code to embed the binary schema to the source (--bfbs-gen-embed). (#5701)

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* Added the code to embed the binary schema to the source.
This is pulled forward from a old PR #5162 that will be closed.

* Update idl_gen_cpp.cpp

Added a small comment to trigger a new build. The build was failing in a strange location and doesn't look like it has anything to do with the code.

* Moved the EscapeAndWrapBuffer to util.cpp and did some formating.

* One more camelCases removed and renamed some variables.

* wrapped_line_xxx should have been passed as a const reference in the first place.

* Moved the bfbs embed sample to it's own file.

* Missed moving the namespace back.

* Moved the embedded bfbs to test.cpp instead of using a sample.

* Missed adding the generation of embedded bfbs to the build.

* See if this makes the build happier.

* Fixed a in-compatable cpp output of the generated header.

* Did some changes to reflect the code review comments.
1. Update the EscapeAndWrapBuffer to BufferToHexText and fixed a variable name.
2. Moved the include of the embedded binary schema to all the other includes.

* Moved some code to inline the instead of using a local variable.

* Moved the BufferToHexText back to be a inline function in util.h
This commit is contained in:
sjoblom65
2020-01-24 17:55:34 -05:00
committed by Wouter van Oortmerssen
parent 3f677f2414
commit 47026ea6ba
11 changed files with 856 additions and 35 deletions
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31
src/flatc.cpp
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@@ -70,6 +70,9 @@ std::string FlatCompiler::GetUsageString(const char *program_name) const {
ss << " " << full_name.str() << " " << name << " " << help << ".\n";
}
// clang-format off
// Output width
// 12345678901234567890123456789012345678901234567890123456789012345678901234567890
ss <<
" -o PATH Prefix PATH to all generated files.\n"
" -I PATH Search for includes in the specified path.\n"
@@ -141,6 +144,7 @@ std::string FlatCompiler::GetUsageString(const char *program_name) const {
" --schema Serialize schemas instead of JSON (use with -b).\n"
" --bfbs-comments Add doc comments to the binary schema files.\n"
" --bfbs-builtins Add builtin attributes to the binary schema files.\n"
" --bfbs-gen-embed Generate code to embed the bfbs schema to the source.\n"
" --conform FILE Specify a schema the following schemas should be\n"
" an evolution of. Gives errors if not.\n"
" --conform-includes Include path for the schema given with --conform PATH\n"
@@ -166,6 +170,7 @@ std::string FlatCompiler::GetUsageString(const char *program_name) const {
"Output files are named using the base file name of the input,\n"
"and written to the current directory or the path given by -o.\n"
"example: " << program_name << " -c -b schema1.fbs schema2.fbs data.json\n";
// 12345678901234567890123456789012345678901234567890123456789012345678901234567890
// clang-format on
return ss.str();
}
@@ -201,22 +206,22 @@ int FlatCompiler::Compile(int argc, const char **argv) {
output_path = flatbuffers::ConCatPathFileName(
flatbuffers::PosixPath(argv[argi]), "");
} else if (arg == "-I") {
if (++argi >= argc) Error("missing path following" + arg, true);
if (++argi >= argc) Error("missing path following: " + arg, true);
include_directories_storage.push_back(
flatbuffers::PosixPath(argv[argi]));
include_directories.push_back(
include_directories_storage.back().c_str());
} else if (arg == "--conform") {
if (++argi >= argc) Error("missing path following" + arg, true);
if (++argi >= argc) Error("missing path following: " + arg, true);
conform_to_schema = flatbuffers::PosixPath(argv[argi]);
} else if (arg == "--conform-includes") {
if (++argi >= argc) Error("missing path following" + arg, true);
if (++argi >= argc) Error("missing path following: " + arg, true);
include_directories_storage.push_back(
flatbuffers::PosixPath(argv[argi]));
conform_include_directories.push_back(
include_directories_storage.back().c_str());
} else if (arg == "--include-prefix") {
if (++argi >= argc) Error("missing path following" + arg, true);
if (++argi >= argc) Error("missing path following: " + arg, true);
opts.include_prefix = flatbuffers::ConCatPathFileName(
flatbuffers::PosixPath(argv[argi]), "");
} else if (arg == "--keep-prefix") {
@@ -261,13 +266,13 @@ int FlatCompiler::Compile(int argc, const char **argv) {
} else if (arg == "--gen-compare") {
opts.gen_compare = true;
} else if (arg == "--cpp-include") {
if (++argi >= argc) Error("missing include following" + arg, true);
if (++argi >= argc) Error("missing include following: " + arg, true);
opts.cpp_includes.push_back(argv[argi]);
} else if (arg == "--cpp-ptr-type") {
if (++argi >= argc) Error("missing type following" + arg, true);
if (++argi >= argc) Error("missing type following: " + arg, true);
opts.cpp_object_api_pointer_type = argv[argi];
} else if (arg == "--cpp-str-type") {
if (++argi >= argc) Error("missing type following" + arg, true);
if (++argi >= argc) Error("missing type following: " + arg, true);
opts.cpp_object_api_string_type = argv[argi];
} else if (arg == "--cpp-str-flex-ctor") {
opts.cpp_object_api_string_flexible_constructor = true;
@@ -278,10 +283,10 @@ int FlatCompiler::Compile(int argc, const char **argv) {
} else if (arg == "--gen-generated") {
opts.gen_generated = true;
} else if (arg == "--object-prefix") {
if (++argi >= argc) Error("missing prefix following" + arg, true);
if (++argi >= argc) Error("missing prefix following: " + arg, true);
opts.object_prefix = argv[argi];
} else if (arg == "--object-suffix") {
if (++argi >= argc) Error("missing suffix following" + arg, true);
if (++argi >= argc) Error("missing suffix following: " + arg, true);
opts.object_suffix = argv[argi];
} else if (arg == "--gen-all") {
opts.generate_all = true;
@@ -319,6 +324,8 @@ int FlatCompiler::Compile(int argc, const char **argv) {
opts.binary_schema_comments = true;
} else if (arg == "--bfbs-builtins") {
opts.binary_schema_builtins = true;
} else if (arg == "--bfbs-gen-embed") {
opts.binary_schema_gen_embed= true;
} else if (arg == "--no-fb-import") {
opts.skip_flatbuffers_import = true;
} else if (arg == "--no-ts-reexport") {
@@ -330,7 +337,7 @@ int FlatCompiler::Compile(int argc, const char **argv) {
} else if (arg == "--reflect-names") {
opts.mini_reflect = IDLOptions::kTypesAndNames;
} else if (arg == "--root-type") {
if (++argi >= argc) Error("missing type following" + arg, true);
if (++argi >= argc) Error("missing type following: " + arg, true);
opts.root_type = argv[argi];
} else if (arg == "--force-defaults") {
opts.force_defaults = true;
@@ -466,8 +473,10 @@ int FlatCompiler::Compile(int argc, const char **argv) {
auto err = parser->ConformTo(conform_parser);
if (!err.empty()) Error("schemas don\'t conform: " + err);
}
if (schema_binary) {
if (schema_binary || opts.binary_schema_gen_embed) {
parser->Serialize();
}
if (schema_binary) {
parser->file_extension_ = reflection::SchemaExtension();
}
}