added iOS source code

[wl-app.git] / iOS / Pods / FolioReaderKit / Source / EPUBCore / FRSmils.swift

diff --git a/iOS/Pods/FolioReaderKit/Source/EPUBCore/FRSmils.swift b/iOS/Pods/FolioReaderKit/Source/EPUBCore/FRSmils.swift
new file mode 100644 (file)
index 0000000..2052ba4
--- /dev/null
+++ b/iOS/Pods/FolioReaderKit/Source/EPUBCore/FRSmils.swift
@@ -0,0 +1,143 @@
+//
+//  FRSmils.swift
+//  Pods
+//
+//  Created by Kevin Jantzer on 12/30/15.
+//
+//
+
+
+import UIKit
+
+struct FRSmilFile {
+    var resource: FRResource
+    var data = [FRSmilElement]()
+
+    init(resource: FRResource){
+        self.resource = resource;
+    }
+
+    // MARK: - shortcuts
+
+    func ID() -> String {
+        return self.resource.id;
+    }
+
+    func href() -> String {
+        return self.resource.href;
+    }
+
+    // MARK: - data methods
+
+    /**
+     Returns a smil <par> tag which contains info about parallel audio and text to be played
+     */
+    func parallelAudioForFragment(_ fragment: String!) -> FRSmilElement! {
+        return findParElement(forTextSrc: fragment, inData: data)
+    }
+
+    fileprivate func findParElement(forTextSrc src:String!, inData _data:[FRSmilElement]) -> FRSmilElement! {
+        for el in _data {
+
+            // if its a <par> (parallel) element and has a <text> node with the matching fragment
+            if( el.name == "par" && (src == nil || el.textElement().attributes["src"]?.contains(src) != false ) ){
+                return el
+
+                // if its a <seq> (sequence) element, it should have children (<par>)
+            }else if el.name == "seq" && el.children.count > 0 {
+                let parEl = findParElement(forTextSrc: src, inData: el.children)
+                if parEl != nil { return parEl }
+            }
+        }
+        return nil
+    }
+
+    /**
+     Returns a smil <par> element after the given fragment
+     */
+    func nextParallelAudioForFragment(_ fragment: String) -> FRSmilElement! {
+        return findNextParElement(forTextSrc: fragment, inData: data)
+    }
+
+    fileprivate func findNextParElement(forTextSrc src:String!, inData _data:[FRSmilElement]) -> FRSmilElement! {
+        var foundPrev = false
+        for el in _data {
+
+            if foundPrev { return el }
+
+            // if its a <par> (parallel) element and has a <text> node with the matching fragment
+            if( el.name == "par" && (src == nil || el.textElement().attributes["src"]?.contains(src) != false) ){
+                foundPrev = true
+
+                // if its a <seq> (sequence) element, it should have children (<par>)
+            }else if el.name == "seq" && el.children.count > 0 {
+                let parEl = findNextParElement(forTextSrc: src, inData: el.children)
+                if parEl != nil { return parEl }
+            }
+        }
+        return nil
+    }
+
+
+    func childWithName(_ name:String) -> FRSmilElement! {
+        for el in data {
+            if( el.name == name ){
+                return el
+            }
+        }
+        return nil;
+    }
+
+    func childrenWithNames(_ name:[String]) -> [FRSmilElement]! {
+        var matched = [FRSmilElement]()
+        for el in data {
+            if( name.contains(el.name) ){
+                matched.append(el)
+            }
+        }
+        return matched;
+    }
+
+    func childrenWithName(_ name:String) -> [FRSmilElement]! {
+        return childrenWithNames([name])
+    }
+}
+
+/**
+ Holds array of `FRSmilFile`
+ */
+class FRSmils: NSObject {
+    var basePath            : String!
+    var smils               = [String: FRSmilFile]()
+
+    /**
+     Adds a smil to the smils.
+     */
+    func add(_ smil: FRSmilFile) {
+        self.smils[smil.resource.href] = smil
+    }
+
+    /**
+     Gets the resource with the given href.
+     */
+    func findByHref(_ href: String) -> FRSmilFile? {
+        for smil in smils.values {
+            if smil.resource.href == href {
+                return smil
+            }
+        }
+        return nil
+    }
+
+    /**
+     Gets the resource with the given id.
+     */
+    func findById(_ ID: String) -> FRSmilFile? {
+        for smil in smils.values {
+            if smil.resource.id == ID {
+                return smil
+            }
+        }
+        return nil
+    }
+}