From 1824ae6360c9ce1897e75404163d39df08ee5fbf Mon Sep 17 00:00:00 2001
From: bamse16 <marius@marius.me.uk>
Date: Sat, 11 Apr 2009 09:14:42 +0000
Subject: Added printing support via WebKit WebView

---
 Source/MGTemplateEngine.h | 104 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 Source/MGTemplateEngine.h

(limited to 'Source/MGTemplateEngine.h')

diff --git a/Source/MGTemplateEngine.h b/Source/MGTemplateEngine.h
new file mode 100644
index 00000000..f0eb9a43
--- /dev/null
+++ b/Source/MGTemplateEngine.h
@@ -0,0 +1,104 @@
+//
+//  MGTemplateEngine.h
+//
+//  Created by Matt Gemmell on 11/05/2008.
+//  Copyright 2008 Instinctive Code. All rights reserved.
+//
+
+// Keys in blockInfo dictionaries passed to delegate methods.
+#define	BLOCK_NAME_KEY					@"name"				// NSString containing block name (first word of marker)
+#define BLOCK_END_NAMES_KEY				@"endNames"			// NSArray containing names of possible ending-markers for block
+#define BLOCK_ARGUMENTS_KEY				@"args"				// NSArray of further arguments in block start marker
+#define BLOCK_START_MARKER_RANGE_KEY	@"startMarkerRange"	// NSRange (as NSValue) of block's starting marker
+#define BLOCK_VARIABLES_KEY				@"vars"				// NSDictionary of variables
+
+#define TEMPLATE_ENGINE_ERROR_DOMAIN	@"MGTemplateEngineErrorDomain"
+
+@class MGTemplateEngine;
+@protocol MGTemplateEngineDelegate
+@optional
+- (void)templateEngine:(MGTemplateEngine *)engine blockStarted:(NSDictionary *)blockInfo;
+- (void)templateEngine:(MGTemplateEngine *)engine blockEnded:(NSDictionary *)blockInfo;
+- (void)templateEngineFinishedProcessingTemplate:(MGTemplateEngine *)engine;
+- (void)templateEngine:(MGTemplateEngine *)engine encounteredError:(NSError *)error isContinuing:(BOOL)continuing;
+@end
+
+// Keys in marker dictionaries returned from Matcher methods.
+#define MARKER_NAME_KEY					@"name"				// NSString containing marker name (first word of marker)
+#define MARKER_TYPE_KEY					@"type"				// NSString, either MARKER_TYPE_EXPRESSION or MARKER_TYPE_MARKER
+#define MARKER_TYPE_MARKER				@"marker"
+#define MARKER_TYPE_EXPRESSION			@"expression"
+#define MARKER_ARGUMENTS_KEY			@"args"				// NSArray of further arguments in marker, if any
+#define MARKER_FILTER_KEY				@"filter"			// NSString containing name of filter attached to marker, if any
+#define MARKER_FILTER_ARGUMENTS_KEY		@"filterArgs"		// NSArray of filter arguments, if any
+#define MARKER_RANGE_KEY				@"range"			// NSRange (as NSValue) of marker's range
+
+@protocol MGTemplateEngineMatcher
+@required
+- (id)initWithTemplateEngine:(MGTemplateEngine *)engine;
+- (void)engineSettingsChanged; // always called at least once before beginning to process a template.
+- (NSDictionary *)firstMarkerWithinRange:(NSRange)range;
+@end
+
+#import "MGTemplateMarker.h"
+#import "MGTemplateFilter.h"
+
+@interface MGTemplateEngine : NSObject {
+@public
+	NSString *markerStartDelimiter;		// default: {%
+	NSString *markerEndDelimiter;		// default: %}
+	NSString *expressionStartDelimiter;	// default: {{
+	NSString *expressionEndDelimiter;	// default: }}
+	NSString *filterDelimiter;			// default: |	example: {{ myVar|uppercase }}
+	NSString *literalStartMarker;		// default: literal
+	NSString *literalEndMarker;			// default: /literal
+@private
+	NSMutableArray *_openBlocksStack;
+	NSMutableDictionary *_globals;
+	int _outputDisabledCount;
+	int _templateLength;
+	NSMutableDictionary *_filters;
+	NSMutableDictionary *_markers;
+	NSMutableDictionary *_templateVariables;
+	BOOL _literal;
+@public
+	NSRange remainingRange;
+	id <MGTemplateEngineDelegate> delegate;
+	id <MGTemplateEngineMatcher> matcher;
+	NSString *templateContents;
+}
+
+@property(retain) NSString *markerStartDelimiter;
+@property(retain) NSString *markerEndDelimiter;
+@property(retain) NSString *expressionStartDelimiter;
+@property(retain) NSString *expressionEndDelimiter;
+@property(retain) NSString *filterDelimiter;
+@property(retain) NSString *literalStartMarker;
+@property(retain) NSString *literalEndMarker;
+@property(assign, readonly) NSRange remainingRange;
+@property(assign) id <MGTemplateEngineDelegate> delegate;	// weak ref
+@property(retain) id <MGTemplateEngineMatcher> matcher;
+@property(retain, readonly) NSString *templateContents;
+
+// Creation.
++ (NSString *)version;
++ (MGTemplateEngine *)templateEngine;
+
+// Managing persistent values.
+- (void)setObject:(id)anObject forKey:(id)aKey;
+- (void)addEntriesFromDictionary:(NSDictionary *)dict;
+- (id)objectForKey:(id)aKey;
+
+// Configuration and extensibility.
+- (void)loadMarker:(NSObject <MGTemplateMarker> *)marker;
+- (void)loadFilter:(NSObject <MGTemplateFilter> *)filter;
+
+// Utilities.
+- (NSObject *)resolveVariable:(NSString *)var;
+- (NSDictionary *)templateVariables;
+
+// Processing templates.
+- (NSString *)processTemplate:(NSString *)templateString withVariables:(NSDictionary *)variables;
+- (NSString *)processTemplateInFileAtPath:(NSString *)templatePath withVariables:(NSDictionary *)variables;
+
+@end
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