ios: Add incomplete code for basic directory list.

ios/RetroArch.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		9629797716C3CD2400E6DCE0 /* dirlist.m in Sources */ = {isa = PBXBuildFile; fileRef = 9629797616C3CD2400E6DCE0 /* dirlist.m */; };
 		968A572A16C2A06800BE12F8 /* test.img in Resources */ = {isa = PBXBuildFile; fileRef = 968A572816C2A06800BE12F8 /* test.img */; };
 		96AFAE2A16C1D4EA009DE44C /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 96AFAE2916C1D4EA009DE44C /* UIKit.framework */; };
 		96AFAE2C16C1D4EA009DE44C /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 96AFAE2B16C1D4EA009DE44C /* Foundation.framework */; };
@@ -76,6 +77,8 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		9629797516C3CD2400E6DCE0 /* dirlist.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = dirlist.h; sourceTree = "<group>"; };
+		9629797616C3CD2400E6DCE0 /* dirlist.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = dirlist.m; sourceTree = "<group>"; };
 		968A572816C2A06800BE12F8 /* test.img */ = {isa = PBXFileReference; lastKnownFileType = file; path = test.img; sourceTree = "<group>"; };
 		96AFAE2516C1D4EA009DE44C /* RetroArch.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = RetroArch.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		96AFAE2916C1D4EA009DE44C /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
@@ -329,6 +332,8 @@
 				96AFAE4F16C1D4EA009DE44C /* ViewController_iPad.xib */,
 				96AFAE3416C1D4EA009DE44C /* Supporting Files */,
 				96CF015B16C2F72900ABF9C9 /* ios_input.c */,
+				9629797516C3CD2400E6DCE0 /* dirlist.h */,
+				9629797616C3CD2400E6DCE0 /* dirlist.m */,
 			);
 			path = RetroArch;
 			sourceTree = "<group>";
@@ -773,6 +778,7 @@
 				96AFAFDD16C2149A009DE44C /* ioseagl_ctx.m in Sources */,
 				96CF015016C2C0B700ABF9C9 /* overlay.c in Sources */,
 				96CF015C16C2F72900ABF9C9 /* ios_input.c in Sources */,
+				9629797716C3CD2400E6DCE0 /* dirlist.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

ios/RetroArch/dirlist.h

@@ -0,0 +1,12 @@
+//
+//  UIViewController_m.h
+//  RetroArch
+//
+//  Copyright (c) 2013 RetroArch. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface DirectoryView : UIViewController <UITableViewDelegate, UITableViewDataSource>
+
+@end

ios/RetroArch/dirlist.m

@@ -0,0 +1,140 @@
+//
+//  dirlist.m
+//  RetroArch
+//
+//  Created by Jason Fetters on 2/7/13.
+//  Copyright (c) 2013 RetroArch. All rights reserved.
+//
+
+#include <dirent.h>
+#import "dirlist.h"
+
+struct dirent_list
+{
+   struct dirent_list* next;
+   struct dirent entry;
+};
+
+const struct dirent* get_dirent_at_index(struct dirent_list* list, unsigned index)
+{
+   while (list && index)
+   {
+      list = list->next;
+      index --;
+   }
+   
+   return list ? &list->entry : 0;
+}
+
+unsigned get_dirent_list_count(struct dirent_list* list)
+{
+   unsigned result = 0;
+   
+   while (list)
+   {
+      result ++;
+      list = list->next;
+   }
+   
+   return result;
+}
+
+void free_dirent_list(struct dirent_list* list)
+{
+   struct dirent_list* next = 0;
+   if (list)
+   {
+      next = list->next;
+      free(list);
+   }
+   
+   free_dirent_list(next);
+}
+
+struct dirent_list* build_dirent_list(const char* path)
+{
+   struct dirent_list* result = 0;
+   struct dirent_list* iterate = 0;
+
+   DIR* dir = opendir(path);
+   if (dir)
+   {   
+      struct dirent* ent = 0;
+      while ((ent = readdir(dir)))
+      {
+         if (!iterate)
+         {
+            iterate = malloc(sizeof(struct dirent_list));
+            iterate->next = 0;
+            result = iterate;
+         }
+         else
+         {
+            iterate->next = malloc(sizeof(struct dirent_list));
+            iterate = iterate->next;
+            iterate->next = 0;
+         }
+      
+         memcpy(&iterate->entry, ent, sizeof(struct dirent));
+      }
+      
+      closedir(dir);
+   }
+   
+   return result;
+}
+
+@implementation DirectoryView
+{
+   UITableView* table;
+   struct dirent_list* files;
+};
+
+-(void)dealloc
+{
+   free_dirent_list(files);
+   files = 0;
+   
+   // Do I need to kill table here?
+}
+
+- (void)viewDidLoad
+{
+   [super viewDidLoad];
+   
+   files = build_dirent_list([NSTemporaryDirectory() UTF8String]);
+   
+   table = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 640, 480) style:UITableViewStylePlain];
+   table.dataSource = self;
+   table.delegate = self;
+
+   self.view = table;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
+{
+   const struct dirent* item = get_dirent_at_index(files, indexPath.row);
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+   return get_dirent_list_count(files);
+}
+
+- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+   UITableViewCell* cell = [table dequeueReusableCellWithIdentifier:@"path"];
+   cell = (cell != nil) ? cell : [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"path"];
+   
+   const struct dirent* item = get_dirent_at_index(files, indexPath.row);
+   
+   if (item)
+   {
+      cell.textLabel.text = [[NSString string] initWithUTF8String:item->d_name];
+      cell.accessoryType = (item->d_type & DT_DIR) ? UITableViewCellAccessoryDisclosureIndicator : UITableViewCellAccessoryNone;
+   }
+
+   return cell;
+}
+
+@end