Files

155 lines
3.7 KiB
Haxe

package;
import haxe.*;
import hscript.*;
import sys.*;
import sys.io.*;
import sys.net.*;
#if neko
import neko.Lib;
#end
#if cpp
import cpp.Lib;
#end
class RunScript {
public static function main () {
var args = Sys.args ();
var workingDirectory = args.pop();
try {
Sys.setCwd(workingDirectory);
} catch (e:Dynamic) {
error("Failed to set current working directory to [" + workingDirectory + "]");
}
if (args.length == 0) {
error("Argument missing. Expected 1 got 0");
}
if (args[0] == "-f" || args[0] == "--file") {
if (args.length == 1) {
error("Argument missing. Expected 2 got 1");
}
if (args.length > 2) {
error("Too many arguments. Expected 2 got " + args.length);
}
executeScriptFile(args[1]);
}
if (args[0] == "--help") {
printHelp();
}
executeScript(args.join(" "));
}
static function executeScriptFile(scriptPath:String) {
if (!FileSystem.exists(scriptPath)) {
error("Specified file [" + scriptPath + "] not found");
}
if (FileSystem.isDirectory(scriptPath)) {
error("Specified file [" + scriptPath + "] is a directory");
}
var script = File.getContent(scriptPath);
executeScript(script);
}
static function executeScript(script:String) {
var parser = new hscript.Parser();
var program = parser.parseString(script);
var interp = new hscript.Interp();
// export some useful classes
interp.variables.set("Array", Array);
interp.variables.set("DateTools", DateTools);
interp.variables.set("Math", Math);
interp.variables.set("StringTools", StringTools);
interp.variables.set("Sys", Sys);
interp.variables.set("Xml", Xml);
interp.variables.set("sys", {
"FileSystem": sys.FileSystem,
"io": {
"File": sys.io.File
},
"net": {
"Host": sys.net.Host
}
});
interp.variables.set("haxe", {
"Json": haxe.Json,
"Http": haxe.Http,
"Serializer": haxe.Serializer,
"Unserializer": haxe.Unserializer
});
info(interp.execute(program));
}
static function printHelp(exit:Bool = true) {
var hscriptPath = getHaxelibPath("hscript");
var meta:Dynamic = Json.parse(File.getContent(hscriptPath + "haxelib.json"));
info('${meta.name} v${meta.version}');
info('${meta.description}');
info("");
info("usage: haxelib run hscript SCRIPT");
info(" or: haxelib run hscript -f SCRIPTPATH");
info(" or: haxelib run hscript --file SCRIPTPATH");
info("");
info("examples:");
info(" haxelib run hscript var x = 4; 1 + 2 * x");
info(" 9");
info("");
info(" haxelib run hscript \"5 | 6\"");
info(" 7");
info("");
info(" haxelib run hscript for(i in 0...5) Sys.stdout().writeString(i + ', '); 'done'");
info(" 0, 1, 2, 3, 4, done");
info("");
info(" haxelib run hscript sys.net.Host.localhost()");
info(" mycomputer");
info("");
if(Sys.systemName() == "Windows") {
info(" for /f %i in ('haxelib run hscript \"new sys.net.Host('')\"') do @set MY_IP=%i");
info(" echo %MY_IP%");
} else {
info(" MY_IP=$(haxelib run hscript \"new sys.net.Host('')\"')");
info(" echo $MY_IP");
}
info(" 192.168.248.1");
if(exit)
Sys.exit(0);
}
static function info(msg:Dynamic) {
Sys.stdout().writeString("" + msg + "\n");
}
static function error(msg:Dynamic, exit:Bool = true) {
Sys.stderr().writeString("Error: " + msg + "!\n");
if(exit)
Sys.exit(1);
}
static function getHaxelibPath(libraryName:String):String {
var proc = new Process("haxelib", ["path", libraryName]);
var result = "";
var ex:Dynamic = null;
try {
while(true) {
var line = proc.stdout.readLine();
if (line.substr(0, 1) != "-")
result = line;
}
} catch (e:Dynamic) {
ex = e;
};
proc.close();
if (ex) error(ex);
return result;
}
}