[NEW] MarkdownLive: first rough (but working) cut of using discount.

git-svn-id: http://rentzsch.com/svn/trunk/cocoa/MarkdownLive@330 34dae961-d50d-0410-846e-a203d89df655

DDTemporaryDirectory.h

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+/*
+ * Copyright (c) 2007-2008 Dave Dribin
+ * 
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+
+@interface DDTemporaryDirectory : NSObject
+{
+    NSString * mFullPath;
+}
+
+
++ (DDTemporaryDirectory *) temporaryDirectory;
+
+- (id) init;
+
+- (void) cleanup;
+
+- (NSString *) fullPath;
+
+@end

DDTemporaryDirectory.m

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+/*
+ * Copyright (c) 2007-2008 Dave Dribin
+ * 
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#import "DDTemporaryDirectory.h"
+#include <unistd.h>
+#import "JRLog.h"
+
+
+@implementation DDTemporaryDirectory
+
++ (DDTemporaryDirectory *) temporaryDirectory;
+{
+    return [[[self alloc] init] autorelease];
+}
+
+- (id) init;
+{
+    self = [super init];
+    if (self == nil)
+        return nil;
+
+    NSString * tempDir = NSTemporaryDirectory();
+    if (tempDir == nil)
+        tempDir = @"/tmp";
+
+    NSString * template = [tempDir stringByAppendingPathComponent: @"temp.XXXXXX"];
+    JRLogDebug(@"Template: %@", template);
+    const char * fsTemplate = [template fileSystemRepresentation];
+    NSMutableData * bufferData = [NSMutableData dataWithBytes: fsTemplate
+                                                       length: strlen(fsTemplate)+1];
+    char * buffer = [bufferData mutableBytes];
+    JRLogDebug(@"FS Template: %s", buffer);
+    char * result = mkdtemp(buffer);
+    NSString * temporaryDirectory = [[NSFileManager defaultManager]
+            stringWithFileSystemRepresentation: buffer
+                                        length: strlen(buffer)];
+    if (result == NULL)
+    {
+        JRLogWarn(@"Could not create temporary dir: %@, %s", temporaryDirectory,
+                  strerror(errno));
+        [self release];
+        return nil;
+    }
+
+    mFullPath = [temporaryDirectory retain];
+
+    return self;
+}
+
+//=========================================================== 
+// dealloc
+//=========================================================== 
+- (void) dealloc
+{
+    [self cleanup];
+    [mFullPath release];
+
+    mFullPath = nil;
+    [super dealloc];
+}
+
+- (void) cleanup;
+{
+    [[NSFileManager defaultManager] removeFileAtPath: mFullPath
+                                             handler: nil];
+}
+
+- (NSString *) fullPath;
+{
+    return mFullPath;
+}
+
+@end

DDTemporaryFile.h

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+/*
+ * Copyright (c) 2007-2008 Dave Dribin
+ * 
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@class DDTemporaryDirectory;
+
+@interface DDTemporaryFile : NSObject
+{
+    DDTemporaryDirectory * mTemporaryDirectory;
+    NSString * mFullPath;
+}
+
++ (DDTemporaryFile *) temporaryFileWithName: (NSString *) name;
+
+- (id) initWithName: (NSString *) name;
+
+- (void) cleanup;
+
+- (NSString *) fullPath;
+
+@end

DDTemporaryFile.m

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+/*
+ * Copyright (c) 2007-2008 Dave Dribin
+ * 
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#import "DDTemporaryFile.h"
+#import "DDTemporaryDirectory.h"
+
+@implementation DDTemporaryFile
+
++ (DDTemporaryFile *) temporaryFileWithName: (NSString *) name;
+{
+    return [[[self alloc] initWithName: name] autorelease];
+}
+
+- (id) initWithName: (NSString *) name;
+{
+    self = [super init];
+    if (self == nil)
+        return nil;
+
+    mTemporaryDirectory = [[DDTemporaryDirectory alloc] init];
+    mFullPath = [[[mTemporaryDirectory fullPath]
+        stringByAppendingPathComponent: name] retain];
+
+    return self;
+}
+
+//=========================================================== 
+// dealloc
+//=========================================================== 
+- (void) dealloc
+{
+    [self cleanup];
+    [mTemporaryDirectory release];
+    [mFullPath release];
+
+    mTemporaryDirectory = nil;
+    mFullPath = nil;
+    [super dealloc];
+}
+
+- (void) cleanup;
+{
+    [mTemporaryDirectory cleanup];
+}
+
+- (NSString *) fullPath;
+{
+    return mFullPath;
+}
+
+@end

JRLog.h

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+/*******************************************************************************
+	JRLog.h
+		Copyright (c) 2006-2007 Jonathan 'Wolf' Rentzsch: <http://rentzsch.com>
+		Some rights reserved: <http://opensource.org/licenses/mit-license.php>
+
+	***************************************************************************/
+
+#import <Foundation/Foundation.h>
+
+//	What you need to remember: Debug > Info > Warn > Error > Fatal.
+
+typedef enum {
+	JRLogLevel_UNSET,
+    JRLogLevel_Debug,
+    JRLogLevel_Info,
+    JRLogLevel_Warn,
+    JRLogLevel_Error,
+    JRLogLevel_Fatal,
+	JRLogLevel_Off,
+} JRLogLevel;
+
+@protocol JRLogLogger
+
+- (void)logWithLevel:(JRLogLevel)callerLevel_
+			instance:(NSString*)instance_
+				file:(const char*)file_
+				line:(unsigned)line_
+			function:(const char*)function_
+			 message:(NSString*)message_;
+
+@end
+
+@interface NSObject (JRLogAdditions)
++ (JRLogLevel)classJRLogLevel;
++ (void)setClassJRLogLevel:(JRLogLevel)level_;
+
++ (JRLogLevel)defaultJRLogLevel;
++ (void)setDefaultJRLogLevel:(JRLogLevel)level_;
+
++ (void)setJRLogLogger: (id<JRLogLogger>) logger_;
++ (id<JRLogLogger>)JRLogLogger;
++ (id<JRLogLogger>)defaultJRLogLogger;
+@end
+
+BOOL IsJRLogLevelActive(id self_, JRLogLevel level_);
+void JRLog(id self_, JRLogLevel level_, unsigned line_, const char *file_, const char *function_, NSString *format_, ...);
+
+#define JRLOG_CONDITIONALLY(sender,LEVEL,format,...) \
+	do{if(IsJRLogLevelActive(sender,LEVEL)){JRLog(sender,LEVEL,__LINE__,__FILE__,__PRETTY_FUNCTION__,(format),##__VA_ARGS__);}}while(0)
+
+#if JRLogOverrideNSLog
+id self;
+#define NSLog	JRLogInfo
+#endif
+
+//
+//	Scary macros!
+//	The 1st #if is a filter, which you can read "IF any of the symbols are defined, THEN don't log for that level, ELSE log for that level."
+//
+
+#if defined(JRLOGLEVEL_OFF) || defined(JRLOGLEVEL_FATAL) || defined(JRLOGLEVEL_ERROR) || defined(JRLOGLEVEL_WARN) || defined(JRLOGLEVEL_INFO)
+	#define JRLogDebug(format,...)
+	#define JRCLogDebug(format,...)
+#else
+	#define JRLogDebug(format,...)		JRLOG_CONDITIONALLY(self, JRLogLevel_Debug, format, ##__VA_ARGS__)
+	#define JRCLogDebug(format,...)		JRLOG_CONDITIONALLY(nil, JRLogLevel_Debug, format, ##__VA_ARGS__)
+#endif
+
+#if defined(JRLOGLEVEL_OFF) || defined(JRLOGLEVEL_FATAL) || defined(JRLOGLEVEL_ERROR) || defined(JRLOGLEVEL_WARN)
+	#define JRLogInfo(format,...)
+	#define JRCLogInfo(format,...)
+#else
+	#define JRLogInfo(format,...)		JRLOG_CONDITIONALLY(self, JRLogLevel_Info, format, ##__VA_ARGS__)
+	#define JRCLogInfo(format,...)		JRLOG_CONDITIONALLY(nil, JRLogLevel_Info, format, ##__VA_ARGS__)
+#endif
+
+#if defined(JRLOGLEVEL_OFF) || defined(JRLOGLEVEL_FATAL) || defined(JRLOGLEVEL_ERROR)
+	#define JRLogWarn(format,...)
+	#define JRCLogWarn(format,...)
+#else
+	#define JRLogWarn(format,...)		JRLOG_CONDITIONALLY(self, JRLogLevel_Warn, format, ##__VA_ARGS__)
+	#define JRCLogWarn(format,...)		JRLOG_CONDITIONALLY(nil, JRLogLevel_Warn, format, ##__VA_ARGS__)
+#endif
+
+#if defined(JRLOGLEVEL_OFF) || defined(JRLOGLEVEL_FATAL)
+	#define JRLogError(format,...)
+	#define JRCLogError(format,...)
+#else
+	#define JRLogError(format,...)		JRLOG_CONDITIONALLY(self, JRLogLevel_Error, format, ##__VA_ARGS__)
+	#define JRCLogError(format,...)		JRLOG_CONDITIONALLY(nil, JRLogLevel_Error, format, ##__VA_ARGS__)
+#endif
+
+#if defined(JRLOGLEVEL_OFF)
+	#define JRLogFatal(format,...)
+	#define JRCLogFatal(format,...)
+#else
+	#define JRLogFatal(format,...)		JRLOG_CONDITIONALLY(self, JRLogLevel_Fatal, format, ##__VA_ARGS__)
+	#define JCRLogFatal(format,...)		JRLOG_CONDITIONALLY(nil, JRLogLevel_Fatal, format, ##__VA_ARGS__)
+#endif