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the grammars are now recognized by extension i.e. .pgf is grammar just like .php is a PHP script

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This commit is contained in:
krasimir
2009-01-25 22:06:20 +00:00
parent 7dfc17cd98
commit 92bb971ea3
9 changed files with 78 additions and 67 deletions
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15
src/server/PGFService.hs
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@@ -34,19 +34,12 @@ main = do stderrToFile logFile
cgiMain :: Cache PGF -> CGI CGIResult
cgiMain cache =
do path <- pathInfo
jsonp <- serveResource cache $ filter (not . null) $ splitBy (=='/') path
do path <- getVarWithDefault "SCRIPT_FILENAME" ""
pgf <- liftIO $ readCache cache path
command <- liftM (maybe "grammar" (urlDecodeUnicode . UTF8.decodeString)) (getInput "command")
jsonp <- pgfMain pgf command
outputJSONP jsonp
serveResource :: Cache PGF -> [String] -> CGI JSValue
serveResource cache resource =
case resource of
[] -> liftIO doListGrammars
[file] -> serveResource cache [file,"grammar"]
[file,command] -> do pgf <- liftIO $ readCache cache $ cleanFilePath file
pgfMain pgf command
_ -> throwCGIError 400 "Unknown resource" ["Unknown resource: " ++ show resource]
pgfMain :: PGF -> String -> CGI JSValue
pgfMain pgf command =
case command of

1
src/server/gwt/src/se/chalmers/cs/gf/gwt/FridgeApp.gwt.xml
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@@ -2,6 +2,7 @@
<!-- Inherit the core Web Toolkit stuff. -->
<inherits name="com.google.gwt.user.User" />
<inherits name="com.google.gwt.xml.XML" />
<inherits name="se.chalmers.cs.gf.gwt.PGF" />

1
src/server/gwt/src/se/chalmers/cs/gf/gwt/TranslateApp.gwt.xml
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@@ -2,6 +2,7 @@
<!-- Inherit the core Web Toolkit stuff. -->
<inherits name="com.google.gwt.user.User" />
<inherits name="com.google.gwt.xml.XML" />
<inherits name="se.chalmers.cs.gf.gwt.PGF" />

4
src/server/gwt/src/se/chalmers/cs/gf/gwt/client/FridgeApp.java
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@@ -21,7 +21,7 @@ import com.google.gwt.user.client.ui.Widget;
public class FridgeApp implements EntryPoint {
protected static final String pgfBaseURL = "/pgf";
protected static final String pgfBaseURL = "/grammars";
protected PGFWrapper pgf;
@@ -274,7 +274,7 @@ public class FridgeApp implements EntryPoint {
public void onModuleLoad() {
statusPopup = new StatusPopup();
pgf = new PGFWrapper(new PGF(pgfBaseURL));
pgf = new PGFWrapper(pgfBaseURL);
RootPanel.get().add(createUI());
pgf.addSettingsListener(new MySettingsListener());
History.addHistoryListener(new MyHistoryListener());

44
src/server/gwt/src/se/chalmers/cs/gf/gwt/client/PGF.java
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@@ -9,34 +9,13 @@ import java.util.ArrayList;
public class PGF {
private String baseURL;
public PGF (String baseURL) {
this.baseURL = baseURL;
}
/* List grammars */
public JSONRequest listGrammars (final GrammarNamesCallback callback) {
return JSONRequestBuilder.sendRequest(baseURL + "/", null, callback);
}
public interface GrammarNamesCallback extends JSONCallback<GrammarNames> { }
public static class GrammarNames extends IterableJsArray<GrammarName> {
protected GrammarNames() { }
public PGF () {
}
public static class GrammarName extends JavaScriptObject {
protected GrammarName() { }
public final native String getName() /*-{ return this.name; }-*/;
}
/* Grammar */
public JSONRequest grammar (String pgfName, final GrammarCallback callback) {
return sendGrammarRequest(pgfName, "grammar", null, callback);
public JSONRequest grammar (String pgfURL, final GrammarCallback callback) {
return sendGrammarRequest(pgfURL, "grammar", new ArrayList<Arg>(), callback);
}
public interface GrammarCallback extends JSONCallback<Grammar> { }
@@ -61,14 +40,14 @@ public class PGF {
/* Translation */
public JSONRequest translate (String pgfName, String input, String fromLang, String cat, String toLang,
public JSONRequest translate (String pgfURL, String input, String fromLang, String cat, String toLang,
final TranslateCallback callback) {
List<Arg> args = new ArrayList<Arg>();
args.add(new Arg("input", input));
args.add(new Arg("from", fromLang));
args.add(new Arg("cat", cat));
args.add(new Arg("to", toLang));
return sendGrammarRequest(pgfName, "translate", args, callback);
return sendGrammarRequest(pgfURL, "translate", args, callback);
}
public interface TranslateCallback extends JSONCallback<Translations> { }
@@ -92,7 +71,7 @@ public class PGF {
* @param limit The number of suggestions to get.
* If -1 is passed, all available suggestions are retrieved.
*/
public JSONRequest complete (String pgfName, String input, String fromLang, String cat, int limit, final CompleteCallback callback) {
public JSONRequest complete (String pgfURL, String input, String fromLang, String cat, int limit, final CompleteCallback callback) {
List<Arg> args = new ArrayList<Arg>();
args.add(new Arg("input", input));
args.add(new Arg("from", fromLang));
@@ -100,7 +79,7 @@ public class PGF {
if (limit > 0) {
args.add(new Arg("limit", limit));
}
return sendGrammarRequest(pgfName, "complete", args, callback);
return sendGrammarRequest(pgfURL, "complete", args, callback);
}
public interface CompleteCallback extends JSONCallback<Completions> { }
@@ -118,12 +97,12 @@ public class PGF {
/* Parsing */
public JSONRequest parse (String pgfName, String input, String fromLang, String cat, final ParseCallback callback) {
public JSONRequest parse (String pgfURL, String input, String fromLang, String cat, final ParseCallback callback) {
List<Arg> args = new ArrayList<Arg>();
args.add(new Arg("input", input));
args.add(new Arg("from", fromLang));
args.add(new Arg("cat", cat));
return sendGrammarRequest(pgfName, "parse", args, callback);
return sendGrammarRequest(pgfURL, "parse", args, callback);
}
public interface ParseCallback extends JSONCallback<ParseResults> { }
@@ -141,8 +120,9 @@ public class PGF {
/* Common */
public <T extends JavaScriptObject> JSONRequest sendGrammarRequest(String pgfName, String resource, List<Arg> args, final JSONCallback<T> callback) {
return JSONRequestBuilder.sendRequest(baseURL + "/" + pgfName + "/" + resource, args, callback);
public <T extends JavaScriptObject> JSONRequest sendGrammarRequest(String pgfURL, String resource, List<Arg> args, final JSONCallback<T> callback) {
args.add(new Arg("command", resource));
return JSONRequestBuilder.sendRequest(pgfURL, args, callback);
}
}

72
src/server/gwt/src/se/chalmers/cs/gf/gwt/client/PGFWrapper.java
View File

@@ -5,10 +5,13 @@ import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import com.google.gwt.http.client.*;
import com.google.gwt.xml.client.*;
public class PGFWrapper {
private String baseURL;
private PGF pgf;
private String pgfName = null;
@@ -36,28 +39,61 @@ public class PGFWrapper {
private List<SettingsListener> listeners = new LinkedList<SettingsListener>();
public PGFWrapper(PGF pgf) {
this.pgf = pgf;
public PGFWrapper(String baseURL) {
this.baseURL = baseURL;
this.pgf = new PGF();
}
public void updateAvailableGrammars() {
pgf.listGrammars(new PGF.GrammarNamesCallback() {
public void onResult(PGF.GrammarNames grammarNames) {
grammars = new ArrayList<String>();
for (PGF.GrammarName grammarName : grammarNames.iterable()) {
grammars.add(grammarName.getName());
String url = baseURL+"/grammars.xml";
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url));
try
{
Request request = builder.sendRequest(null, new RequestCallback() {
public void onResponseReceived(Request request, Response response)
{
if (200 == response.getStatusCode())
{
grammars = new ArrayList<String>();
try
{
Document grammarsDoc = XMLParser.parse(response.getText());
NodeList grammarsList = grammarsDoc.getElementsByTagName("grammar");
for (int i = 0; i < grammarsList.getLength(); i++)
{
Node grammarNode = grammarsList.item(i);
grammars.add(((Element)grammarNode).getAttribute("name"));
}
}
catch (DOMException e)
{
fireSettingsError("Could not parse XML document.", e);
}
fireAvailableGrammarsChanged();
}
else
{
fireSettingsError("Error getting grammar list", null);
}
}
fireAvailableGrammarsChanged();
}
public void onError (Throwable e) {
fireSettingsError("Error getting grammar list", e);
}
});
public void onError(Request request, Throwable e)
{
fireSettingsError("Error getting grammar list", e);
}
});
}
catch (RequestException e)
{
fireSettingsError("Couldn't connect to server", e);
}
}
protected void updateSelectedGrammar () {
clearCachedInfo();
pgf.grammar(pgfName, new PGF.GrammarCallback() {
pgf.grammar(baseURL+"/"+pgfName, new PGF.GrammarCallback() {
public void onResult(PGF.Grammar grammar) {
userLanguage = grammar.getUserLanguage();
languages = new LinkedHashMap<String,PGF.Language>();
@@ -83,15 +119,15 @@ public class PGFWrapper {
//
public JSONRequest translate (String input, final PGF.TranslateCallback callback) {
return pgf.translate(pgfName, input, inputLanguage, cat, outputLanguage, callback);
return pgf.translate(baseURL+"/"+pgfName, input, inputLanguage, cat, outputLanguage, callback);
}
public JSONRequest complete (String input, int limit, final PGF.CompleteCallback callback) {
return pgf.complete(pgfName, input, inputLanguage, cat, limit, callback);
return pgf.complete(baseURL+"/"+pgfName, input, inputLanguage, cat, limit, callback);
}
public JSONRequest parse (String input, final PGF.ParseCallback callback) {
return pgf.parse(pgfName, input, inputLanguage, cat, callback);
return pgf.parse(baseURL+"/"+pgfName, input, inputLanguage, cat, callback);
}
//

4
src/server/gwt/src/se/chalmers/cs/gf/gwt/client/TranslateApp.java
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@@ -14,7 +14,7 @@ import com.google.gwt.user.client.ui.Widget;
public class TranslateApp implements EntryPoint {
protected static final String pgfBaseURL = "/pgf";
protected static final String pgfBaseURL = "/grammars";
protected PGFWrapper pgf;
@@ -197,7 +197,7 @@ public class TranslateApp implements EntryPoint {
public void onModuleLoad() {
statusPopup = new StatusPopup();
pgf = new PGFWrapper(new PGF(pgfBaseURL));
pgf = new PGFWrapper(pgfBaseURL);
RootPanel.get().add(createUI());
pgf.addSettingsListener(new MySettingsListener());
History.addHistoryListener(new MyHistoryListener());

2
src/server/lighttpd.conf
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@@ -47,7 +47,7 @@ $HTTP["host"] =~ "^(.*)$" {
}
fastcgi.debug = 0
fastcgi.server = ( "/pgf" =>
fastcgi.server = ( ".pgf" =>
((
"socket" => basedir + "/" + var.PID + "-pgf.socket",
"bin-path" => basedir + "/pgf.fcgi",

2
src/server/pgf-server.cabal
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@@ -6,7 +6,7 @@ license: GPL
license-file: LICENSE
synopsis: FastCGI Server for Grammatical Framework
executable pgf.fcgi
executable pgf-server
build-depends: base,
old-time,
directory,