1 files changed, 100 insertions, 0 deletions
diff --git a/platform/ios/Classes/MuWord.m b/platform/ios/Classes/MuWord.m
new file mode 100644
index 00000000..6ea10224
--- /dev/null
+++ b/platform/ios/Classes/MuWord.m
@@ -0,0 +1,100 @@
+//
+//  MuWord.m
+//  MuPDF
+//
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import "MuWord.h"
+
+@implementation MuWord
+
+@synthesize string, rect;
+
+- (id) init
+{
+	self = [super init];
+	if (self)
+	{
+		self.string = [NSMutableString string];
+		self.rect = CGRectNull;
+	}
+	return  self;
+}
+
+- (void) dealloc
+{
+	self.string = nil;
+	[super dealloc];
+}
+
++ (MuWord *) word
+{
+	return [[[MuWord alloc] init] autorelease];
+}
+
+- (void) appendChar:(unichar)c withRect:(CGRect)_rect
+{
+	[string appendFormat:@"%C", c];
+	rect = CGRectUnion(rect, _rect);
+}
+
++ (void) selectFrom:(CGPoint)pt1 to:(CGPoint)pt2 fromWords:(NSArray *)words onStartLine:(void (^)(void))startBlock onWord:(void (^)(MuWord *))wordBlock onEndLine:(void (^)(void))endBLock
+{
+	CGPoint toppt, botpt;
+
+	if (pt1.y < pt2.y)
+	{
+		toppt = pt1;
+		botpt = pt2;
+	}
+	else
+	{
+		toppt = pt2;
+		botpt = pt1;
+	}
+
+	for (NSArray *line in words)
+	{
+		MuWord *fst = [line objectAtIndex:0];
+		float ltop = fst.rect.origin.y;
+		float lbot = ltop + fst.rect.size.height;
+
+		if (toppt.y < lbot && ltop < botpt.y)
+		{
+			BOOL topline = toppt.y > ltop;
+			BOOL botline = botpt.y < lbot;
+			float left = -INFINITY;
+			float right = INFINITY;
+
+			if (topline && botline)
+			{
+				left = MIN(toppt.x, botpt.x);
+				right = MAX(toppt.x, botpt.x);
+			}
+			else if (topline)
+			{
+				left = toppt.x;
+			}
+			else if (botline)
+			{
+				right = botpt.x;
+			}
+
+			startBlock();
+
+			for (MuWord *word in line)
+			{
+				float wleft = word.rect.origin.x;
+				float wright = wleft + word.rect.size.width;
+
+				if (wright > left && wleft < right)
+					wordBlock(word);
+			}
+
+			endBLock();
+		}
+	}
+}
+
+@end