QLColorCode/GeneratePreviewForURL.m at master · n8gray/QLColorCode · GitHub

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/* This code is copyright Nathaniel Gray, licensed under the GPL v2.

See LICENSE.txt for details. */

#import <CoreFoundation/CoreFoundation.h>

#import <CoreServices/CoreServices.h>

#import <Foundation/Foundation.h>

#import <QuickLook/QuickLook.h>

#import "Common.h"

/* -----------------------------------------------------------------------------

Generate a preview for file

This function's job is to create preview for designated file

----------------------------------------------------------------------------- */

OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview,

CFURLRef url, CFStringRef contentTypeUTI,

CFDictionaryRef options)

{

#ifdef DEBUG

NSDate *startDate = [NSDate date];

#endif

n8log(@"Generating Preview");

if (QLPreviewRequestIsCancelled(preview))

return noErr;

NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

// Invoke colorize.sh

CFBundleRef bundle = QLPreviewRequestGetGeneratorBundle(preview);

int status;

NSData *output = colorizeURL(bundle, url, &status, 0);

n8log(@"Generated preview html page in %.3f sec",

-[startDate timeIntervalSinceNow] );

if (status != 0 || QLPreviewRequestIsCancelled(preview)) {

#ifndef DEBUG

goto done;

#endif

}

// Now let WebKit do its thing

NSString *textEncoding = [[NSUserDefaults standardUserDefaults]

stringForKey:@"webkitTextEncoding"];

if (!textEncoding || [textEncoding length] == 0)

textEncoding = @"UTF-8";

CFDictionaryRef properties =

(CFDictionaryRef)[NSDictionary dictionaryWithObject:textEncoding

forKey:(NSString *)kQLPreviewPropertyTextEncodingNameKey];

QLPreviewRequestSetDataRepresentation(preview, (CFDataRef)output,

//kUTTypePlainText,

kUTTypeHTML,

properties);

done:

n8log(@"Finished preview in %.3f sec", -[startDate timeIntervalSinceNow] );

[pool release];

return noErr;

}

void CancelPreviewGeneration(void* thisInterface, QLPreviewRequestRef preview)

{

// implement only if supported

}

QLColorCode/GeneratePreviewForURL.m at master · n8gray/QLColorCode · GitHub

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