Added an option to limit the amount of data to format.

Author: sbarex

Application/AppDelegate.swift

@@ -72,7 +72,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }
 
     func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
-        return true
+        return !documentsOpenedAtStart
     }
 
     /// Get the url of the quicklook extension.

Application/Base.lproj/Main.storyboard

@@ -120,6 +120,10 @@ class PreferencesViewController: NSViewController {
     @IBOutlet weak var lineNumbersPopup: NSPopUpButton!
     @IBOutlet weak var tabSpacesSlider: NSSlider!
     @IBOutlet weak var argumentsTextField: NSTextField!
+    
+    @IBOutlet weak var dataSize: NSTextField!
+    @IBOutlet weak var dataSizeUM: NSPopUpButton!
+    
     @IBOutlet weak var interactiveButton: NSSwitch!
     @IBOutlet weak var debugButton: NSSwitch!
 
@@ -703,6 +707,20 @@ class PreferencesViewController: NSViewController {
         fontChooseButton.isEnabled = settings != nil
         refreshFontPanel(withFontFamily: settings?.fontFamily ?? "Menlo", size: settings?.fontSize ?? 12, isGlobal: true)
 
+        if var size = settings?.maxData {
+            size /= 1024 // Convert Bytes to KB.
+            if size % 1024 == 0 {
+                dataSize.intValue = Int32(size / 1024)
+                dataSizeUM.selectItem(at: 1)
+            } else {
+                dataSize.intValue = Int32(size)
+                dataSizeUM.selectItem(at: 0)
+            }
+        } else {
+            dataSize.intValue = 0
+            dataSizeUM.selectItem(at: 0)
+        }
+        
         interactiveButton.state = settings?.allowInteractiveActions ?? false ? .on : .off
         interactiveButton.isEnabled = settings != nil
 
@@ -828,6 +846,16 @@ class PreferencesViewController: NSViewController {
         settings.tabSpaces = tabSpacesSlider.integerValue
         settings.extra = argumentsTextField.stringValue
 
+        if (dataSize.floatValue > 0) {
+            var dataSize = self.dataSize.floatValue
+            if (self.dataSizeUM.indexOfSelectedItem == 1) {
+                dataSize *= 1024 // Convert MB to KB.
+            }
+            dataSize *= 1024 // Convert KB to Bytes.
+            
+            settings.maxData = UInt64(dataSize)
+        }
+        
         settings.allowInteractiveActions = interactiveButton.state == .on
 
         settings.debug = debugButton.state == .on

Application/PreferencesViewController.swift

@@ -68,6 +68,11 @@ <h1>Global Preferences</h1>
                 <small>(see man highlight to a list of valid arguments and plugins)</small></td>
         </tr>
 
+        <tr>
+            <td>Data limit</td>
+            <td>Maximum amount of data to format, data beyond the limit is omitted. Specify 0 to not limit. Note that if is set a preprocessor, the filter is applied to the preprocessor's and not to the source file.</td>
+        </tr>
+
         <tr>
             <td>Interactive preview</td>
             <td>If enabled allow the execution of javascript code inside the quicklook preview. Enable only when in extra arguments you use a custom plugins that embed js code inside the <code>highlight</code> output.<br />

Application/SyntaxHighlight.help/Contents/Resources/English.lproj/preferences.html

@@ -1,3 +1,7 @@
+1.0.b17
+New features:
+- added an option to limit the amount of data to format.
+
 1.0.b16
 
 New features:

Application/SyntaxHighlight.help/Contents/Resources/English.lproj/search.cshelpindex

@@ -548,7 +548,7 @@
 		8359233D235599F6001506B6 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastSwiftUpdateCheck = 1100;
+				LastSwiftUpdateCheck = 1130;
 				LastUpgradeCheck = 1100;
 				ORGANIZATIONNAME = sbarex;
 				TargetAttributes = {
@@ -940,7 +940,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 16;
+				CURRENT_PROJECT_VERSION = 17;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Application/Info.plist;
@@ -965,7 +965,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 16;
+				CURRENT_PROJECT_VERSION = 17;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Application/Info.plist;

Application/SyntaxHighlight.help/Contents/Resources/English.lproj/search.helpindex

@@ -82,6 +82,7 @@ class SCSHBaseSettings {
         static let preprocessor = "preprocessor"
 
         static let interactive = "interactive"
+        static let maxData = "max-data"
         static let version = "version"
 
     }
@@ -353,6 +354,8 @@ class SCSHGlobalBaseSettings: SCSHBaseSettings {
     /// Customized settings for UTIs.
     var customizedSettings: [String: SCSHUTIBaseSettings] = [:]
 
+    var maxData: UInt64?
+    
     /// Return if exists customized settings.
     override var isCustomized: Bool {
         // Global settings are always customized.
@@ -422,6 +425,8 @@ class SCSHGlobalBaseSettings: SCSHBaseSettings {
         if allowInteractiveActions == nil {
             allowInteractiveActions = false
         }
+        
+        maxData = settings[Key.maxData] as? UInt64;
     }
 
     /// Initialize the setting based on the preferences provided.
@@ -473,6 +478,10 @@ class SCSHGlobalBaseSettings: SCSHBaseSettings {
             r[Key.backgroundColor] = color
         }
 
+        if let maxData = self.maxData {
+            r[Key.maxData] = maxData
+        }
+        
         r[Key.debug] = self.debug
         r[Key.version] = SCSHBaseSettings.version
 
@@ -520,6 +529,10 @@ class SCSHGlobalBaseSettings: SCSHBaseSettings {
             self.renderForExtension = v
         }
 
+        if let v = data[Key.maxData] as? UInt64 {
+            self.maxData = v;
+        }
+        
         super.override(fromDictionary: dict)
     }
 

CHANGELOG.txt

@@ -152,8 +152,15 @@ class SCSHBaseXPCService: NSObject {
             }
         }
 
+        let maxData: String
+        if let v = custom_settings.maxData {
+            maxData = "\(v)"
+        } else {
+            maxData = ""
+        }
+        
         env.merge([
-            "maxFileSize": "",
+            "maxFileSize": maxData,
             "textEncoding": "UTF-8",
             "webkitTextEncoding": "UTF-8",