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#include "NodeJSLocator.h"
#include "cl_standard_paths.h"
#include "globals.h"
#ifdef __WXMSW__
#include <wx/msw/registry.h>
#include <wx/volume.h>
#endif
NodeJSLocator::NodeJSLocator() {}
NodeJSLocator::~NodeJSLocator() {}
void NodeJSLocator::Locate(const wxArrayString& hints)
{
wxArrayString paths = hints;
wxFileName fn_npm;
#if defined(__WXGTK__) || defined(__WXOSX__)
// Linux
// add the standard paths
paths.Add("/usr/local/bin");
paths.Add("/usr/bin");
wxFileName nodejs;
wxFileName npm;
if(TryPaths(paths, "node", nodejs) || TryPaths(paths, "nodejs", nodejs) || TryPaths(paths, "node.osx", nodejs)) {
m_nodejs = nodejs.GetFullPath();
}
if(TryPaths(paths, "npm", npm)) {
m_npm = npm.GetFullPath();
}
#elif defined(__WXMSW__)
// Registry paths are searched first
{
// HKEY_LOCAL_MACHINE\SOFTWARE\Node.js
wxRegKey regKeyNodeJS(wxRegKey::HKLM, "SOFTWARE\\Node.js");
wxString clInstallFolder;
if(regKeyNodeJS.Exists() && regKeyNodeJS.QueryValue("InstallPath", clInstallFolder) &&
wxDirExists(clInstallFolder)) {
paths.Add(clInstallFolder);
}
}
{
// HKEY_LOCAL_MACHINE\SOFTWARE\Node.js
wxRegKey regKeyNodeJS(wxRegKey::HKLM, "SOFTWARE\\Wow6432Node\\Node.js");
wxString clInstallFolder;
if(regKeyNodeJS.Exists() && regKeyNodeJS.QueryValue("InstallPath", clInstallFolder) &&
wxDirExists(clInstallFolder)) {
paths.Add(clInstallFolder);
}
}
// On Windows, first try to locate npm.cmd
if(m_npm.IsEmpty() && ::clFindExecutable("npm.cmd", fn_npm, paths)) {
m_npm = fn_npm.GetFullPath();
}
#endif
// Still could not find it, try the PATH environment variable
wxFileName fn_node;
if(m_nodejs.empty() && ::clFindExecutable("node", fn_node, paths)) {
m_nodejs = fn_node.GetFullPath();
}
// No luck? locate npm
if(m_npm.empty() && ::clFindExecutable("npm", fn_npm, paths)) {
m_npm = fn_npm.GetFullPath();
}
}
bool NodeJSLocator::TryPaths(const wxArrayString& paths, const wxString& fullname, wxFileName& fullpath)
{
for(size_t i = 0; i < paths.size(); ++i) {
wxFileName fn(paths.Item(i), fullname);
if(fn.FileExists()) {
fullpath = fn;
return true;
}
}
return false;
}
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