How to open a file which includes in Chrome extension by C/C++?

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陌清茗
陌清茗 2021-01-17 04:24

I\'m trying to open a file to parse, say \"config.txt\", in my Chrome extension.

By Javascript it will be fairly easy. For example: chrome.extension.getURL(\'c

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  •  忘掉有多难
    2021-01-17 04:38

    I finally managed to find a way to get the "config.txt" in my NPAPI plugin by XmlHttpRequest.

    const char* getconfig =
    " window.__config_txt__ = (function() {"
    "     var ret = \"Default return value\";"
    "     var xhr = new XMLHttpRequest();"
    "     xhr.open(\"GET\", \"config.txt\", false);"
    "     xhr.onreadystatechange = function() {"
    "       if(xhr.readyState == 4) {"
    "         ret = xhr.responseText;"
    "       };"
    "     };"
    "     xhr.send();"
    "     return ret;"
    " })();";
    m_host->evaluateJavaScript(getconfig);
    
    if (window && window->getJSObject()->HasProperty("window")) {
        std::string content = window->getProperty("__config_txt__");
    }
    

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