[英]how to compile .proto + .options file using nanopb
i wrote an .options file and placed it in the same directory as the .proto file. 我写了一个.options文件并将其放在与.proto文件相同的目录中。 then, I tried to compile it (using nanopb compiler) by using the command
然后,我尝试使用该命令编译它(使用nanopb编译器)
generator-bin/protoc --nanopb_out=. message.proto -s message.options
and got this error: 并得到此错误:
Unknown flag: -s
so what am I doing wrong? 那么我做错了什么? do I need to import my options file in the .proto file?
我需要在.proto文件中导入我的选项文件吗? is there anything else I should do to make it work?
还有什么我应该做的才能让它发挥作用?
Google's protoc
has a special syntax for passing options to the plugins. 谷歌的
protoc
有一个特殊的语法,用于将选项传递给插件。 The plugin options are put as argument to nanopb_out
and separated from the actual destination path by colon ( :
). 该插件选项置为参数
nanopb_out
并通过从结肠的实际目标路径分开( :
)。
generator-bin/protoc '--nanopb_out=-v -f message.options:.' message.proto
However, if your .options
file has the same name as the .proto
and is in the same directory, nanopb plugin should automatically find and use it. 但是,如果
.options
文件与.proto
具有相同的名称并且位于同一目录中,则nanopb插件应自动查找并使用它。
Also note that the -s
flag to nanopb expects a pair of settings on the command line, while -f
takes a filename. 另请注意,nanopb的
-s
标志需要命令行上的一对设置,而-f
需要一个文件名。 Specifying -v
is also useful to get detailed messages whether it loaded the options file or not. 指定
-v
对于获取详细消息也很有用,无论它是否加载了选项文件。 You can get full list of command line options by running: 您可以通过运行获得命令行选项的完整列表:
generator-bin/nanopb_generator --help
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