// // GLFileView.m // GitX // // Created by German Laullon on 14/09/10. // Copyright 2010 __MyCompanyName__. All rights reserved. // #import "GLFileView.h" #import "PBGitGradientBarView.h" #define GROUP_LABEL @"Label" // string #define GROUP_SEPARATOR @"HasSeparator" // BOOL as NSNumber #define GROUP_SELECTION_MODE @"SelectionMode" // MGScopeBarGroupSelectionMode (int) as NSNumber #define GROUP_ITEMS @"Items" // array of dictionaries, each containing the following keys: #define ITEM_IDENTIFIER @"Identifier" // string #define ITEM_NAME @"Name" // string @interface GLFileView () - (void)saveSplitViewPosition; + (NSString *)parseDiffBlock:(NSString *)txt; + (NSString *)parseDiffHeader:(NSString *)txt; + (NSString *)parseDiffChunk:(NSString *)txt; + (NSString *)parseBinaryDiff:(NSString *)txt; @end @implementation GLFileView - (void) awakeFromNib { NSString *formatFile = [[NSBundle mainBundle] pathForResource:@"format" ofType:@"html" inDirectory:@"html/views/log"]; if(formatFile!=nil) logFormat=[NSString stringWithContentsOfURL:[NSURL fileURLWithPath:formatFile] encoding:NSUTF8StringEncoding error:nil]; startFile = @"fileview"; //repository = historyController.repository; [super awakeFromNib]; [historyController.treeController addObserver:self forKeyPath:@"selection" options:0 context:@"treeController"]; self.groups = [NSMutableArray arrayWithCapacity:0]; NSArray *items = [NSArray arrayWithObjects: [NSDictionary dictionaryWithObjectsAndKeys: startFile, ITEM_IDENTIFIER, @"Source", ITEM_NAME, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"blame", ITEM_IDENTIFIER, @"Blame", ITEM_NAME, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"log", ITEM_IDENTIFIER, @"History", ITEM_NAME, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"diff", ITEM_IDENTIFIER, @"Diff", ITEM_NAME, nil], nil]; [self.groups addObject:[NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:NO], GROUP_SEPARATOR, [NSNumber numberWithInt:MGRadioSelectionMode], GROUP_SELECTION_MODE, // single selection group. items, GROUP_ITEMS, nil]]; NSArray *difft = [NSArray arrayWithObjects: [NSDictionary dictionaryWithObjectsAndKeys: @"l", ITEM_IDENTIFIER, @"Local", ITEM_NAME, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"h", ITEM_IDENTIFIER, @"HEAD", ITEM_NAME, nil], nil]; [self.groups addObject:[NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:NO], GROUP_SEPARATOR, [NSNumber numberWithInt:MGRadioSelectionMode], GROUP_SELECTION_MODE, // single selection group. difft, GROUP_ITEMS, @"Diff with:",GROUP_LABEL, nil]]; [typeBar reloadData]; [fileListSplitView setHidden:YES]; [self performSelector:@selector(restoreSplitViewPositiion) withObject:nil afterDelay:0]; } - (void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { [self showFile]; } - (void) showFile { NSError *theError = nil; NSArray *files=[historyController.treeController selectedObjects]; if ([files count]>0) { PBGitTree *file=[files objectAtIndex:0]; DLog(@"file=%@ == %@ => %d",file,lastFile,[file isEqualTo:lastFile]); if(![file isEqualTo:lastFile]){ lastFile=file; NSString *fileTxt = @""; if(startFile==@"fileview"){ fileTxt=[file textContents:&theError]; if(!theError) fileTxt=[GLFileView escapeHTML:fileTxt]; }else if(startFile==@"blame"){ fileTxt=[file blame:&theError]; if(!theError) fileTxt=[self parseBlame:fileTxt]; }else if(startFile==@"log"){ fileTxt=[file log:logFormat error:&theError]; }else if(startFile==@"diff"){ fileTxt=[file diff:diffType error:&theError]; if(!theError) fileTxt=[GLFileView parseDiff:fileTxt]; } id script = [view windowScriptObject]; if(!theError){ NSString *filePath = [file fullPath]; fileTxt=[fileTxt stringByReplacingOccurrencesOfString:@"\t" withString:@"    "]; DLog(@"file.sha='%@'",file.sha); fileTxt=[fileTxt stringByReplacingOccurrencesOfString:@"{SHA_PREV}" withString:file.sha]; if(diffType==@"h") { fileTxt=[fileTxt stringByReplacingOccurrencesOfString:@"{SHA}" withString:@"HEAD"]; }else { fileTxt=[fileTxt stringByReplacingOccurrencesOfString:@"{SHA}" withString:@"--"]; } [script callWebScriptMethod:@"showFile" withArguments:[NSArray arrayWithObjects:fileTxt, filePath, nil]]; }else{ [script callWebScriptMethod:@"setMessage" withArguments:[NSArray arrayWithObjects:[theError localizedDescription], nil]]; } [self updateSearch:searchField]; } } #ifdef DEBUG_BUILD DOMHTMLElement *dom=(DOMHTMLElement *)[[[view mainFrame] DOMDocument] documentElement]; NSString *domH=[dom outerHTML]; NSString *tmpFile=@"~/tmp/test.html"; [domH writeToFile:[tmpFile stringByExpandingTildeInPath] atomically:true encoding:NSUTF8StringEncoding error:nil]; #endif } #pragma mark JavaScript log.js methods - (void) selectCommit:(NSString*)c { [historyController selectCommit:[PBGitSHA shaWithString:c]]; } // TODO: need to be refactoring - (void) openFileMerge:(NSString*)file sha:(NSString *)sha sha2:(NSString *)sha2; { NSArray *args=[NSArray arrayWithObjects:@"difftool",@"--no-prompt",@"--tool=opendiff",sha,sha2,file,nil]; [historyController.repository handleInWorkDirForArguments:args]; } #pragma mark MGScopeBarDelegate methods - (int)numberOfGroupsInScopeBar:(MGScopeBar *)theScopeBar { return [self.groups count]; } - (NSArray *)scopeBar:(MGScopeBar *)theScopeBar itemIdentifiersForGroup:(int)groupNumber { return [[self.groups objectAtIndex:groupNumber] valueForKeyPath:[NSString stringWithFormat:@"%@.%@", GROUP_ITEMS, ITEM_IDENTIFIER]]; } - (NSString *)scopeBar:(MGScopeBar *)theScopeBar labelForGroup:(int)groupNumber { return [[self.groups objectAtIndex:groupNumber] objectForKey:GROUP_LABEL]; // might be nil, which is fine (nil means no label). } - (NSString *)scopeBar:(MGScopeBar *)theScopeBar titleOfItem:(NSString *)identifier inGroup:(int)groupNumber { NSArray *items = [[self.groups objectAtIndex:groupNumber] objectForKey:GROUP_ITEMS]; if (items) { for (NSDictionary *item in items) { if ([[item objectForKey:ITEM_IDENTIFIER] isEqualToString:identifier]) { return [item objectForKey:ITEM_NAME]; break; } } } return nil; } - (MGScopeBarGroupSelectionMode)scopeBar:(MGScopeBar *)theScopeBar selectionModeForGroup:(int)groupNumber { return [[[self.groups objectAtIndex:groupNumber] objectForKey:GROUP_SELECTION_MODE] intValue]; } - (void)scopeBar:(MGScopeBar *)theScopeBar selectedStateChanged:(BOOL)selected forItem:(NSString *)identifier inGroup:(int)groupNumber { if((groupNumber==0) && (startFile!=identifier)){ NSString *path = [NSString stringWithFormat:@"html/views/%@", identifier]; NSString *html = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html" inDirectory:path]; NSURLRequest * request = [NSURLRequest requestWithURL:[NSURL fileURLWithPath:html]]; [[view mainFrame] loadRequest:request]; startFile=identifier; }else if(groupNumber==1){ diffType=identifier; if(startFile==@"diff"){ [[view mainFrame] reload]; } } lastFile=nil; } - (NSView *)accessoryViewForScopeBar:(MGScopeBar *)scopeBar { return accessoryView; } - (void) didLoad { [self showFile]; } - (void)closeView { [historyController.treeController removeObserver:self forKeyPath:@"selection"]; [self saveSplitViewPosition]; [super closeView]; } + (NSString *) escapeHTML:(NSString *)txt { if (txt == nil) return txt; NSMutableString *newTxt = [NSMutableString stringWithString:txt]; [newTxt replaceOccurrencesOfString:@"&" withString:@"&" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])]; [newTxt replaceOccurrencesOfString:@"<" withString:@"<" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])]; [newTxt replaceOccurrencesOfString:@">" withString:@">" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])]; [newTxt replaceOccurrencesOfString:@"\"" withString:@""" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])]; [newTxt replaceOccurrencesOfString:@"'" withString:@"'" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])]; return newTxt; } + (NSString *)parseDiffTree:(NSString *)txt withStats:(NSMutableDictionary *)stats { NSInteger granTotal=1; for(NSArray *stat in [stats allValues]){ NSInteger add=[[stat objectAtIndex:0] integerValue]; NSInteger rem=[[stat objectAtIndex:1] integerValue]; NSInteger tot=add+rem; if(tot>granTotal) granTotal=tot; [stats setObject:[NSArray arrayWithObjects:[NSNumber numberWithInteger:add],[NSNumber numberWithInteger:rem],[NSNumber numberWithInteger:tot],nil] forKey:[stat objectAtIndex:2]]; } NSArray *lines = [txt componentsSeparatedByString:@"\n"]; NSMutableString *res=[NSMutableString string]; [res appendString:@""]; for (NSString *line in lines) { if([line length]<98) continue; line=[line substringFromIndex:97]; NSArray *fileStatus=[line componentsSeparatedByString:@"\t"]; NSString *status=[[fileStatus objectAtIndex:0] substringToIndex:1]; // ignore the score NSString *file=[fileStatus objectAtIndex:1]; NSString *txt=file; NSString *fileName=file; if([status isEqualToString:@"C"] || [status isEqualToString:@"R"]){ txt=[NSString stringWithFormat:@"%@ -> %@",file,[fileStatus objectAtIndex:2]]; fileName=[fileStatus objectAtIndex:2]; } NSArray *stat=[stats objectForKey:fileName]; NSInteger add=[[stat objectAtIndex:0] integerValue]; NSInteger rem=[[stat objectAtIndex:1] integerValue]; [res appendString:@"",add,rem]]; } [res appendString:@"
"]; [res appendString:[NSString stringWithFormat:@"%@",status,file,fileName,txt]]; [res appendString:@""]; [res appendString:@"
"]; [res appendString:[NSString stringWithFormat:@"",((add*100)/granTotal)]]; [res appendString:[NSString stringWithFormat:@"",((rem*100)/granTotal)]]; [res appendString:@"
"]; [res appendString:[NSString stringWithFormat:@"		+ %d- %d
"]; return res; } + (NSString *)parseDiff:(NSString *)txt { txt=[self escapeHTML:txt]; NSMutableString *res=[NSMutableString string]; NSScanner *scan=[NSScanner scannerWithString:txt]; NSString *block; if(![txt hasPrefix:@"diff --"]) [scan scanUpToString:@"diff --" intoString:&block]; //move to first diff while([scan scanString:@"diff --" intoString:NULL]){ // is a diff start? [scan scanUpToString:@"\ndiff --" intoString:&block]; [res appendString:[GLFileView parseDiffBlock:[NSString stringWithFormat:@"diff --%@",block]]]; } return res; } + (NSString *)parseDiffBlock:(NSString *)txt { NSMutableString *res=[NSMutableString string]; NSScanner *scan=[NSScanner scannerWithString:txt]; NSString *block; [scan scanUpToString:@"\n@@" intoString:&block]; [res appendString:@""]; [res appendString:[GLFileView parseDiffHeader:block]]; [res appendString:@""]; if([block rangeOfString:@"Binary files"].location!=NSNotFound){ [res appendString:[GLFileView parseBinaryDiff:block]]; } while([scan scanString:@"@@" intoString:NULL]){ [scan scanUpToString:@"\n@@" intoString:&block]; [res appendString:[GLFileView parseDiffChunk:[NSString stringWithFormat:@"@@%@",block]]]; } [res appendString:@"
"]; return res; } + (NSString *)parseBinaryDiff:(NSString *)txt { NSMutableString *res=[NSMutableString string]; NSScanner *scan=[NSScanner scannerWithString:txt]; NSString *block; [scan scanUpToString:@"Binary files" intoString:NULL]; [scan scanUpToString:@"" intoString:&block]; NSArray *files=[self getFilesNames:block]; [res appendString:@""]; [res appendString:[NSString stringWithFormat:@"%@
",[files objectAtIndex:0]]]; if(![[files objectAtIndex:0] isAbsolutePath]){ if([GLFileView isImage:[files objectAtIndex:0]]){ [res appendString:[NSString stringWithFormat:@"",[files objectAtIndex:0]]]; } } [res appendString:@"=>"]; [res appendString:[NSString stringWithFormat:@"%@
",[files objectAtIndex:1]]]; if(![[files objectAtIndex:1] isAbsolutePath]){ if([GLFileView isImage:[files objectAtIndex:1]]){ [res appendString:[NSString stringWithFormat:@"",[files objectAtIndex:1]]]; } } [res appendString:@""]; return res; } + (NSString *)parseDiffChunk:(NSString *)txt { NSEnumerator *lines = [[txt componentsSeparatedByString:@"\n"] objectEnumerator]; NSMutableString *res=[NSMutableString string]; NSString *line; int l_line[32]; // FIXME: make dynamic int r_line; line=[lines nextObject]; DLog(@"-=%@=-",line); int arity = 0; /* How many files are merged here? Count the '@'! */ while ([line characterAtIndex:arity] == '@') arity++; NSRange hr = NSMakeRange(arity+1, [line rangeOfString:@" @@"].location-arity-1); NSString *header=[line substringWithRange:hr]; NSArray *pos=[header componentsSeparatedByString:@" "]; NSArray *pos_r=[[pos objectAtIndex:arity-1] componentsSeparatedByString:@","]; for(int i=0; i%@",arity+1,line]]; while((line=[lines nextObject])){ NSString *prefix=[line substringToIndex:arity-1]; if([prefix rangeOfString:@"-"].location != NSNotFound){ [res appendString:@""]; for(int i=0; i%d",l_line[i]++]]; }else{ [res appendString:@""]; } } [res appendString:@""]; }else if([prefix rangeOfString:@"+"].location != NSNotFound){ [res appendString:@""]; for(int i=0; i%d",l_line[i]++]]; }else{ [res appendString:@""]; } } [res appendString:[NSString stringWithFormat:@"%d",r_line++]]; }else{ [res appendString:@""]; for(int i=0; i%d",l_line[i]++]]; } [res appendString:[NSString stringWithFormat:@"%d",r_line++]]; } if(![prefix hasPrefix:@"\\"]){ [res appendString:[NSString stringWithFormat:@"%@",[line substringFromIndex:arity-1]]]; } } return res; } + (NSString *)parseDiffHeader:(NSString *)txt { NSEnumerator *lines = [[txt componentsSeparatedByString:@"\n"] objectEnumerator]; NSMutableString *res=[NSMutableString string]; NSString *line=[lines nextObject]; NSString *fileName=[self getFileName:line]; [res appendString:[NSString stringWithFormat:@"
",fileName]]; do{ [res appendString:[NSString stringWithFormat:@"

%@

",line]]; }while((line=[lines nextObject])); [res appendString:@"
"]; if([txt rangeOfString:@"Binary files"].location==NSNotFound){ [res appendString:[NSString stringWithFormat:@"

open in
FileMerge
",fileName]]; } [res appendString:@""]; return res; } +(NSString *)getFileName:(NSString *)line { NSRange b = [line rangeOfString:@"b/"]; if (b.length == 0) b = [line rangeOfString:@"--cc "]; NSString *file=[line substringFromIndex:b.location+b.length]; DLog(@"line=%@",line); DLog(@"file=%@",file); return file; } +(NSArray *)getFilesNames:(NSString *)line { NSString *a = nil; NSString *b = nil; NSScanner *scanner=[NSScanner scannerWithString:line]; if([scanner scanString:@"Binary files " intoString:NULL]){ [scanner scanUpToString:@" and" intoString:&a]; [scanner scanString:@"and" intoString:NULL]; [scanner scanUpToString:@" differ" intoString:&b]; } if (![a isAbsolutePath]) { a=[a substringFromIndex:2]; } if (![b isAbsolutePath]) { b=[b substringFromIndex:2]; } return [NSArray arrayWithObjects:a,b,nil]; } +(NSString*)mimeTypeForFileName:(NSString*)name { NSString *mimeType = nil; NSInteger i=[name rangeOfString:@"." options:NSBackwardsSearch].location; if(i!=NSNotFound){ NSString *ext=[name substringFromIndex:i+1]; CFStringRef UTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (CFStringRef)ext, NULL); if(UTI){ CFStringRef registeredType = UTTypeCopyPreferredTagWithClass(UTI, kUTTagClassMIMEType); if(registeredType){ mimeType = NSMakeCollectable(registeredType); } CFRelease(UTI); } } return mimeType; } +(BOOL)isDiffHeader:(NSString*)line { unichar c=[line characterAtIndex:0]; return (c=='i') || (c=='m') || (c=='n') || (c=='d') || (c=='-') || (c=='+'); } +(BOOL)isImage:(NSString*)file { NSString *mimeType=[GLFileView mimeTypeForFileName:file]; return (mimeType!=nil) && ([mimeType rangeOfString:@"image/" options:NSCaseInsensitiveSearch].location!=NSNotFound); } +(BOOL)isBinaryFile:(NSString *)line { return [line hasPrefix:@"Binary files"]; } +(BOOL)isStartDiff:(NSString *)line { return [line hasPrefix:@"diff --"]; } +(BOOL)isStartBlock:(NSString *)line { return [line hasPrefix:@"@@"]; } - (NSString *) parseBlame:(NSString *)txt { txt=[GLFileView escapeHTML:txt]; NSArray *lines = [txt componentsSeparatedByString:@"\n"]; NSString *line; NSMutableDictionary *headers=[NSMutableDictionary dictionary]; NSMutableString *res=[NSMutableString string]; [res appendString:@"\n"]; int i=0; while(i<[lines count]){ line=[lines objectAtIndex:i]; NSArray *header=[line componentsSeparatedByString:@" "]; if([header count]==4){ NSString *commitID = (NSString *)[header objectAtIndex:0]; int nLines=[(NSString *)[header objectAtIndex:3] intValue]; [res appendFormat:@"\n",nLines]; line=[lines objectAtIndex:++i]; if([[[line componentsSeparatedByString:@" "] objectAtIndex:0] isEqual:@"author"]){ NSString *author=[line stringByReplacingOccurrencesOfString:@"author" withString:@""]; NSString *summary=nil; while(summary==nil){ line=[lines objectAtIndex:i++]; if([[[line componentsSeparatedByString:@" "] objectAtIndex:0] isEqual:@"summary"]){ summary=[line stringByReplacingOccurrencesOfString:@"summary" withString:@""]; } } NSRange trunc_c={0,7}; NSString *truncate_c=commitID; if([commitID length]>8){ truncate_c=[commitID substringWithRange:trunc_c]; } NSRange trunc={0,22}; NSString *truncate_a=author; if([author length]>22){ truncate_a=[author substringWithRange:trunc]; } NSString *truncate_s=summary; if([summary length]>30){ truncate_s=[summary substringWithRange:trunc]; } NSString *block=[NSString stringWithFormat:@"\n\n"]; }else{ break; } [res appendString:@"\n"]; } [res appendString:@"

%@ %@

%@

\n",commitID,truncate_c,truncate_a,truncate_s]; [headers setObject:block forKey:[header objectAtIndex:0]]; } [res appendString:[headers objectForKey:[header objectAtIndex:0]]]; NSMutableString *code=[NSMutableString string]; do{ line=[lines objectAtIndex:i++]; }while([line characterAtIndex:0]!='\t'); line=[line substringFromIndex:1]; [code appendString:line]; [code appendString:@"\n"]; int n; for(n=1;n%@",[header objectAtIndex:2],code]; [res appendString:@"
\n"]; //DLog(@"%@",res); return (NSString *)res; } #pragma mark NSSplitView delegate methods #define kFileListSplitViewLeftMin 120 #define kFileListSplitViewRightMin 180 #define kHFileListSplitViewPositionDefault @"File List SplitView Position" - (CGFloat)splitView:(NSSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)dividerIndex { return kFileListSplitViewLeftMin; } - (CGFloat)splitView:(NSSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMax ofSubviewAt:(NSInteger)dividerIndex { return [splitView frame].size.width - [splitView dividerThickness] - kFileListSplitViewRightMin; } // while the user resizes the window keep the left (file list) view constant and just resize the right view // unless the right view gets too small - (void)splitView:(NSSplitView *)splitView resizeSubviewsWithOldSize:(NSSize)oldSize { NSRect newFrame = [splitView frame]; float dividerThickness = [splitView dividerThickness]; NSView *leftView = [[splitView subviews] objectAtIndex:0]; NSRect leftFrame = [leftView frame]; leftFrame.size.height = newFrame.size.height; if ((newFrame.size.width - leftFrame.size.width - dividerThickness) < kFileListSplitViewRightMin) { leftFrame.size.width = newFrame.size.width - kFileListSplitViewRightMin - dividerThickness; } NSView *rightView = [[splitView subviews] objectAtIndex:1]; NSRect rightFrame = [rightView frame]; rightFrame.origin.x = leftFrame.size.width + dividerThickness; rightFrame.size.width = newFrame.size.width - rightFrame.origin.x; rightFrame.size.height = newFrame.size.height; [leftView setFrame:leftFrame]; [rightView setFrame:rightFrame]; } // NSSplitView does not save and restore the position of the SplitView correctly so do it manually - (void)saveSplitViewPosition { float position = [[[fileListSplitView subviews] objectAtIndex:0] frame].size.width; [[NSUserDefaults standardUserDefaults] setFloat:position forKey:kHFileListSplitViewPositionDefault]; [[NSUserDefaults standardUserDefaults] synchronize]; } // make sure this happens after awakeFromNib - (void)restoreSplitViewPositiion { float position = [[NSUserDefaults standardUserDefaults] floatForKey:kHFileListSplitViewPositionDefault]; if (position < 1.0) position = 200; [fileListSplitView setPosition:position ofDividerAtIndex:0]; [fileListSplitView setHidden:NO]; } #pragma mark IBActions -(IBAction)updateSearch:(NSSearchField *)sender { [view updateSearch:sender]; } #pragma mark - @synthesize groups; @synthesize logFormat; @end