implement a function to change font on the glyph view, and add the HOME variable...

[sawarabi-fonts/sawarabi-fonts.git] / chartool / objective-c / JavaScriptEngine.m

diff --git a/chartool/objective-c/JavaScriptEngine.m b/chartool/objective-c/JavaScriptEngine.m
index fc2e24e..f0a5878 100644 (file)
--- a/chartool/objective-c/JavaScriptEngine.m
+++ b/chartool/objective-c/JavaScriptEngine.m
@@ -75,6 +75,14 @@ static JSValueRef jsOpenFile(JSContextRef ctx,
        JSStringRelease(nm);
 }
 
+- (void) setValue: (const char*) value ToVariable: (const char*) name {
+       JSObjectRef object = JSContextGetGlobalObject(context);
+       JSStringRef nm = JSStringCreateWithUTF8CString(name);
+       JSValueRef var = JSValueMakeString(context, JSStringCreateWithUTF8CString(value));
+       JSObjectSetProperty(context, object, nm, var, kJSPropertyAttributeNone, NULL);
+       JSStringRelease(nm);
+}
+
 - (void) setFunctions {
        [self setFunction:(JSObjectCallAsFunctionCallback) jsAlert withName: "alert"];
        [self setFunction:(JSObjectCallAsFunctionCallback) jsOpenFile withName: "openFile"];
@@ -82,13 +90,14 @@ static JSValueRef jsOpenFile(JSContextRef ctx,
 
 - (void) loadScript {
        NSString* script;
-       NSString* path = @"./js/charpalette.js";
+       NSString* path = [[NSString alloc] initWithFormat: @"%@/.charpalette.js", NSHomeDirectory()];
        NSError* error;
        
        script = [NSString stringWithContentsOfFile: path encoding: NSUTF8StringEncoding error: &error];
        if (script) {
                [self evaluateScript: script];
                [self setFunctions];
+               [self setValue: [NSHomeDirectory() UTF8String] ToVariable: "HOME"];
        } else {
                NSLog(@"the js file is not found");
        }
@@ -122,9 +131,13 @@ static JSValueRef jsOpenFile(JSContextRef ctx,
 
 - (NSArray *) getFontsNameArray {
        NSString* v = [self evaluate: @"font"];
-       NSArray* r = [v componentsSeparatedByString: @","];
+       if (! [v isEqualToString: @"[Exception]"]) {
+               NSArray* r = [v componentsSeparatedByString: @","];
 
-       return r;
+               return r;
+       } else {
+               return NULL;
+       }
 }
 
 - (void) release {