mozilla 扩展 - 读取外部进程的标准输出
我正在尝试使用 Components.interfaces.nsIProcess 从 Thunderbird 扩展运行 dvipng 进程。我需要读取该过程的标准输出，但我无法找到一种方法来做到这一点。我在 nsIProcess2 上发现了一些线程，但那个线程（看起来）从未完全用 stdout 实现。有什么建议吗？
I am trying to run dvipng process from a thunderbird extension using Components.interfaces.nsIProcess. I need to read standard output of the process, but I am not able to find a way to do that. I found some threads on nsIProcess2, but that one was (as it seems) never fully implemented with stdout. Any suggestions?
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nsIProcess2不相关 - 它是 已实现，但后来合并到 nsIProcess 中。它只是关于异步启动进程。相关错误是 bug 484246 和 错误 68702。后者已经解决，但到目前为止，默认情况下，代码并未随 Firefox/Thunderbird 一起提供（Firefox 和 Thunderbird 都不需要自己的大量代码）。所以你的选择是：
dvipng的本机库，通过 js- 使用它ctypes - 应该是最简单的解决方案。nsIProcess2is unrelated - it was implemented but later folded intonsIProcess. It was only about starting processes asynchronously.The relevant bugs are bug 484246 and bug 68702. The latter has been resolved but so far that code doesn't ship with Firefox/Thunderbird by default (it's quite a bit of code that neither Firefox nor Thunderbird need themselves). So your options are:
dvipngfor you, use it via js-ctypes - should be the easiest solution.dvipnginto a library and use it directly via js-ctypes - probably not too hard either, this will also give you better performance.