+/* Web Scripting {{{ */
+@interface CydiaObject : NSObject {
+ id indirect_;
+}
+
+- (id) initWithDelegate:(IndirectDelegate *)indirect;
+@end
+
+@implementation CydiaObject
+
+- (void) dealloc {
+ [indirect_ release];
+ [super dealloc];
+}
+
+- (id) initWithDelegate:(IndirectDelegate *)indirect {
+ if ((self = [super init]) != nil) {
+ indirect_ = [indirect retain];
+ } return self;
+}
+
++ (NSString *) webScriptNameForSelector:(SEL)selector {
+ if (selector == @selector(close))
+ return @"close";
+ else if (selector == @selector(getPackageById:))
+ return @"getPackageById";
+ else if (selector == @selector(setAutoPopup:))
+ return @"setAutoPopup";
+ else if (selector == @selector(setButtonImage:withStyle:toFunction:))
+ return @"setButtonImage";
+ else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
+ return @"setButtonTitle";
+ else if (selector == @selector(setPopupHook:))
+ return @"setPopupHook";
+ else if (selector == @selector(setViewportWidth:))
+ return @"setViewportWidth";
+ else if (selector == @selector(supports:))
+ return @"supports";
+ else if (selector == @selector(du:))
+ return @"du";
+ else if (selector == @selector(statfs:))
+ return @"statfs";
+ else
+ return nil;
+}
+
++ (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
+ return [self webScriptNameForSelector:selector] == nil;
+}
+
+- (BOOL) supports:(NSString *)feature {
+ return [feature isEqualToString:@"window.open"];
+}
+
+- (Package *) getPackageById:(NSString *)id {
+ return [[Database sharedInstance] packageWithName:id];
+}
+
+- (NSArray *) statfs:(NSString *)path {
+ struct statfs stat;
+
+ if (path == nil || statfs([path UTF8String], &stat) == -1)
+ return nil;
+
+ return [NSArray arrayWithObjects:
+ [NSNumber numberWithUnsignedLong:stat.f_bsize],
+ [NSNumber numberWithUnsignedLong:stat.f_blocks],
+ [NSNumber numberWithUnsignedLong:stat.f_bfree],
+ nil];
+}
+
+- (NSNumber *) du:(NSString *)path {
+ NSNumber *value(nil);
+
+ int fds[2];
+ _assert(pipe(fds) != -1);
+
+ pid_t pid(ExecFork());
+ if (pid == 0) {
+ _assert(dup2(fds[1], 1) != -1);
+ _assert(close(fds[0]) != -1);
+ _assert(close(fds[1]) != -1);
+ execlp("du", "du", "-s", [path UTF8String], NULL);
+ exit(1);
+ _assert(false);
+ }
+
+ _assert(close(fds[1]) != -1);
+
+ if (FILE *du = fdopen(fds[0], "r")) {
+ char line[1024];
+ while (fgets(line, sizeof(line), du) != NULL) {
+ size_t length(strlen(line));
+ while (length != 0 && line[length - 1] == '\n')
+ line[--length] = '\0';
+ if (char *tab = strchr(line, '\t')) {
+ *tab = '\0';
+ value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
+ }
+ }
+
+ fclose(du);
+ } else _assert(close(fds[0]));
+
+ int status;
+ wait:
+ if (waitpid(pid, &status, 0) == -1)
+ if (errno == EINTR)
+ goto wait;
+ else _assert(false);
+
+ return value;
+}
+
+- (void) close {
+ [indirect_ close];
+}
+
+- (void) setAutoPopup:(BOOL)popup {
+ [indirect_ setAutoPopup:popup];
+}
+
+- (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
+ [indirect_ setButtonImage:button withStyle:style toFunction:function];
+}
+
+- (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
+ [indirect_ setButtonTitle:button withStyle:style toFunction:function];
+}
+
+- (void) setPopupHook:(id)function {
+ [indirect_ setPopupHook:function];
+}
+
+- (void) setViewportWidth:(float)width {
+ [indirect_ setViewportWidth:width];
+}
+
+@end
+/* }}} */
+
projects / cydia.git / blobdiff