Add macos/ios app using rust lib

2023-02-03 21:29:23 +10:30
parent 1168ca46db
commit 734a19f711
25 changed files with 1265 additions and 8 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
-.DS_Store
+.DS_Store
+*.xcuserdatad
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,4 +17,7 @@ serde = { version = "1", features = ["derive"] }
 clap = { version = "3.1.18", features = ["derive"] }
 anyhow = "1.0"

-itertools = "0.10.3"
+itertools = "0.10.3"
+
+[lib]
+crate-type = ["cdylib", "staticlib", "lib"]
--- a/FastCoster/CosterRs/coster-bridge.h
+++ b/FastCoster/CosterRs/coster-bridge.h
@@ -0,0 +1,13 @@
+//
+//  coster-bridge.h
+//  FastCoster
+//
+//  Created by Michael Pivato on 3/2/2023.
+//
+
+#ifndef coster_bridge_h
+#define coster_bridge_h
+
+#import "libcoster_rs.h"
+
+#endif /* coster_bridge_h */
--- a/FastCoster/CosterRs/create-lib.sh
+++ b/FastCoster/CosterRs/create-lib.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+#  create-lib.sh
+#  FastCoster
+#
+#  Created by Michael Pivato on 3/2/2023.
+#  
+
+set -x
+# create-iospw.sh
+# Build the correct Rust target and place
+# the resulting library in the build products
+#
+# The $PATH used by Xcode likely won't contain Cargo, fix that.
+# In addition, the $PATH used by XCode has lots of Apple-specific
+# developer tools that your Cargo isn't expecting to use, fix that.
+# Note: This assumes a default `rustup` setup and default path.
+build_path="$HOME/.cargo/bin:/usr/local/bin:/usr/bin:/bin"
+#
+# Figure out the correct Rust target from the ARCHS and PLATFORM.
+# This script expects just one element in ARCHS.
+case "$ARCHS" in
+    "arm64")    rust_arch="aarch64" ;;
+    "x86_64")    rust_arch="x86_64" ;;
+    *)            echo "error: unsupported architecture: $ARCHS" ;;
+esac
+if [[ "$PLATFORM_NAME" == "macosx" ]]; then
+    rust_platform="apple-darwin"
+else
+    rust_platform="apple-ios"
+fi
+if [[ "$PLATFORM_NAME" == "iphonesimulator" ]]; then
+    if [[ "${rust_arch}" == "aarch64" ]]; then
+        rust_abi="-sim"
+    else
+        rust_abi=""
+    fi
+else
+    rust_abi=""
+fi
+rust_target="${rust_arch}-${rust_platform}${rust_abi}"
+#
+# Build library in debug or release
+build_args=(--manifest-path ../costerrs/Cargo.toml --target "${rust_target}")
+if [[ "$CONFIGURATION" == "Release" ]]; then
+    rust_config="release"
+    env PATH="${build_path}" cargo build --release "${build_args[@]}"
+elif [[ "$CONFIGURATION" == "Debug" ]]; then
+    rust_config="release"
+    env PATH="${build_path}" cargo build --release "${build_args[@]}"
+else
+    echo "error: Unexpected build configuration: $CONFIGURATION"
+fi
+#
+# Copy the built library to the derived files directory
+cp -v "../costerrs/target/${rust_target}/${rust_config}/libcoster_rs.a" ${DERIVED_FILES_DIR}
--- a/FastCoster/CosterRs/libcoster_rs.h
+++ b/FastCoster/CosterRs/libcoster_rs.h
@@ -0,0 +1,8 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+char *move_money_from_text(const char *rules, const char *lines, bool use_numeric_accounts);
+
+void move_money_from_text_free(char *s);
--- a/FastCoster/CosterRs/remove-lib.sh
+++ b/FastCoster/CosterRs/remove-lib.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -x
+#  delete-iospw.sh
+#  keyring-tester
+#
+#  Created by Daniel Brotsky on 1/1/22.
+#
+rm -fv ${DERIVED_FILES_DIR}/libcoster_rs.a
--- a/FastCoster/FastCoster.xcodeproj/project.pbxproj
+++ b/FastCoster/FastCoster.xcodeproj/project.pbxproj
@@ -0,0 +1,698 @@
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+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+			};
+			name = Debug;
+		};
+		5ADD9F4D298A713400F998F5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+			};
+			name = Release;
+		};
+		5ADD9F4F298A713400F998F5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = FastCoster/FastCoster.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_ASSET_PATHS = "\"FastCoster/Preview Content\"";
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_PREVIEWS = YES;
+				GENERATE_INFOPLIST_FILE = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
+				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
+				LIBRARY_SEARCH_PATHS = "${DERIVED_FILES_DIR}";
+				"LIBRARY_SEARCH_PATHS[arch=*]" = "${DERIVED_FILES_DIR}";
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCoster;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_OBJC_BRIDGING_HEADER = "${PROJECT_DIR}/CosterRs/coster-bridge.h";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		5ADD9F50298A713400F998F5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = FastCoster/FastCoster.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_ASSET_PATHS = "\"FastCoster/Preview Content\"";
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_PREVIEWS = YES;
+				GENERATE_INFOPLIST_FILE = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
+				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
+				"LIBRARY_SEARCH_PATHS[arch=*]" = "${DERIVED_FILES_DIR}";
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCoster;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_OBJC_BRIDGING_HEADER = "${PROJECT_DIR}/CosterRs/coster-bridge.h";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+		5ADD9F52298A713400F998F5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCosterTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/FastCoster.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/FastCoster";
+			};
+			name = Debug;
+		};
+		5ADD9F53298A713400F998F5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCosterTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/FastCoster.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/FastCoster";
+			};
+			name = Release;
+		};
+		5ADD9F55298A713400F998F5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCosterUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = FastCoster;
+			};
+			name = Debug;
+		};
+		5ADD9F56298A713400F998F5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TM3BN8YBD9;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.1;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Vato.FastCosterUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = FastCoster;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		5ADD9F24298A713300F998F5 /* Build configuration list for PBXProject "FastCoster" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				5ADD9F4C298A713400F998F5 /* Debug */,
+				5ADD9F4D298A713400F998F5 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		5ADD9F4E298A713400F998F5 /* Build configuration list for PBXNativeTarget "FastCoster" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				5ADD9F4F298A713400F998F5 /* Debug */,
+				5ADD9F50298A713400F998F5 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		5ADD9F51298A713400F998F5 /* Build configuration list for PBXNativeTarget "FastCosterTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				5ADD9F52298A713400F998F5 /* Debug */,
+				5ADD9F53298A713400F998F5 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		5ADD9F54298A713400F998F5 /* Build configuration list for PBXNativeTarget "FastCosterUITests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				5ADD9F55298A713400F998F5 /* Debug */,
+				5ADD9F56298A713400F998F5 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 5ADD9F21298A713300F998F5 /* Project object */;
+}
--- a/FastCoster/FastCoster.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/FastCoster/FastCoster.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
--- a/FastCoster/FastCoster.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/FastCoster/FastCoster.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/FastCoster/FastCoster/Assets.xcassets/AccentColor.colorset/Contents.json
+++ b/FastCoster/FastCoster/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
--- a/FastCoster/FastCoster/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/FastCoster/FastCoster/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,63 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
--- a/FastCoster/FastCoster/Assets.xcassets/Contents.json
+++ b/FastCoster/FastCoster/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
--- a/FastCoster/FastCoster/ContentView.swift
+++ b/FastCoster/FastCoster/ContentView.swift
@@ -0,0 +1,100 @@
+//
+//  ContentView.swift
+//  FastCoster
+//
+//  Created by Michael Pivato on 1/2/2023.
+//
+
+import SwiftUI
+
+struct ContentView: View {
+    @State private var showRulesPicker = false
+    @State private var showLinesPicker = false
+    @State private var showExportPicker = false
+    @State private var document: CsvDocument?
+    @State private var lines: String?
+    @State private var rules: String?
+    var body: some View {
+        VStack {
+            Text ("Fast Coster").font(.largeTitle)
+            Spacer()
+            Button {
+                showRulesPicker.toggle()
+            } label: {
+                Text("Select Rules File")
+            }.fileImporter(isPresented: $showRulesPicker, allowedContentTypes: [.commaSeparatedText]) { result in
+                
+                switch result {
+                case .success(let fileUrl):
+                    rules = readIntoString(selectedFile: fileUrl)
+                case .failure(let error):
+                    print(error)
+                }
+            }.padding()
+            Button {
+                showLinesPicker.toggle()
+            } label: {
+                Text("Select Lines File")
+            }.fileImporter(isPresented: $showLinesPicker, allowedContentTypes: [.commaSeparatedText]) { result in
+                switch result {
+                case .success(let fileUrl):
+                    lines = readIntoString(selectedFile: fileUrl)
+                case .failure(let error):
+                    print(error)
+                }
+            }.padding()
+            Button {
+                move_money()
+            } label: {
+                Text("Move money")
+            }.padding()
+            Spacer()
+        }
+        .padding()
+        .fileExporter(isPresented: $showExportPicker, document: document, contentType: .commaSeparatedText) { result in
+            
+            if case .success = result {
+                
+            }else {
+                
+            }
+            
+        }
+    }
+    
+    func move_money() {
+        DispatchQueue.global(qos: .userInitiated).async {
+            // Run move money
+            let result = move_money_from_text(rules, lines, true)
+            
+            DispatchQueue.main.async {
+                document = CsvDocument(data: String(cString: result!))
+                move_money_from_text_free(result)
+                showExportPicker = true;
+            }
+        }
+    }
+    
+    func readIntoString(selectedFile: URL) -> String {
+        // https://stackoverflow.com/questions/64118577/getting-the-file-xxx-couldnt-be-opened-because-you-dont-have-permission-to-v
+        do {
+            if selectedFile.startAccessingSecurityScopedResource() {
+                let fileContent = try String(contentsOf: selectedFile)
+                defer { selectedFile.stopAccessingSecurityScopedResource() }
+                return fileContent
+            }
+        }catch let error {
+            // TODO: Do something about this
+            print(error)
+        }
+        return ""
+    }
+    
+    
+}
+
+struct ContentView_Previews: PreviewProvider {
+    static var previews: some View {
+        ContentView()
+    }
+}
--- a/FastCoster/FastCoster/CsvDocument.swift
+++ b/FastCoster/FastCoster/CsvDocument.swift
@@ -0,0 +1,33 @@
+//
+//  CsvDocument.swift
+//  FastCoster
+//
+//  Created by Michael Pivato on 3/2/2023.
+//
+
+import Foundation
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct CsvDocument: FileDocument {
+    var output: String
+    
+    static var readableContentTypes: [UTType] {[.commaSeparatedText]}
+    
+    init(configuration: ReadConfiguration) throws {
+        guard let data = configuration.file.regularFileContents, let string = String(data: data, encoding: .utf8) else {
+            throw CocoaError(.fileReadCorruptFile)
+        }
+        output = string
+    }
+    
+    init(data: String) {
+        output = data
+    }
+    
+    func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper {
+        return FileWrapper(regularFileWithContents: output.data(using: .utf8)!)
+    }
+    
+    
+}
--- a/FastCoster/FastCoster/FastCoster.entitlements
+++ b/FastCoster/FastCoster/FastCoster.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-write</key>
+	<true/>
+</dict>
+</plist>
--- a/FastCoster/FastCoster/FastCosterApp.swift
+++ b/FastCoster/FastCoster/FastCosterApp.swift
@@ -0,0 +1,17 @@
+//
+//  FastCosterApp.swift
+//  FastCoster
+//
+//  Created by Michael Pivato on 1/2/2023.
+//
+
+import SwiftUI
+
+@main
+struct FastCosterApp: App {
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}
--- a/Assets.xcassets/Contents.json
+++ b/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
--- a/FastCoster/FastCosterTests/FastCosterTests.swift
+++ b/FastCoster/FastCosterTests/FastCosterTests.swift
@@ -0,0 +1,35 @@
+//
+//  FastCosterTests.swift
+//  FastCosterTests
+//
+//  Created by Michael Pivato on 1/2/2023.
+//
+
+import XCTest
+
+final class FastCosterTests: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() throws {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+        // Any test you write for XCTest can be annotated as throws and async.
+        // Mark your test throws to produce an unexpected failure when your test encounters an uncaught error.
+        // Mark your test async to allow awaiting for asynchronous code to complete. Check the results with assertions afterwards.
+    }
+
+    func testPerformanceExample() throws {
+        // This is an example of a performance test case.
+        measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+
+}
--- a/FastCoster/FastCosterUITests/FastCosterUITests.swift
+++ b/FastCoster/FastCosterUITests/FastCosterUITests.swift
@@ -0,0 +1,41 @@
+//
+//  FastCosterUITests.swift
+//  FastCosterUITests
+//
+//  Created by Michael Pivato on 1/2/2023.
+//
+
+import XCTest
+
+final class FastCosterUITests: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+
+        // In UI tests it is usually best to stop immediately when a failure occurs.
+        continueAfterFailure = false
+
+        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() throws {
+        // UI tests must launch the application that they test.
+        let app = XCUIApplication()
+        app.launch()
+
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    func testLaunchPerformance() throws {
+        if #available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 7.0, *) {
+            // This measures how long it takes to launch your application.
+            measure(metrics: [XCTApplicationLaunchMetric()]) {
+                XCUIApplication().launch()
+            }
+        }
+    }
+}
--- a/FastCoster/FastCosterUITests/FastCosterUITestsLaunchTests.swift
+++ b/FastCoster/FastCosterUITests/FastCosterUITestsLaunchTests.swift
@@ -0,0 +1,32 @@
+//
+//  FastCosterUITestsLaunchTests.swift
+//  FastCosterUITests
+//
+//  Created by Michael Pivato on 1/2/2023.
+//
+
+import XCTest
+
+final class FastCosterUITestsLaunchTests: XCTestCase {
+
+    override class var runsForEachTargetApplicationUIConfiguration: Bool {
+        true
+    }
+
+    override func setUpWithError() throws {
+        continueAfterFailure = false
+    }
+
+    func testLaunch() throws {
+        let app = XCUIApplication()
+        app.launch()
+
+        // Insert steps here to perform after app launch but before taking a screenshot,
+        // such as logging into a test account or navigating somewhere in the app
+
+        let attachment = XCTAttachment(screenshot: app.screenshot())
+        attachment.name = "Launch Screen"
+        attachment.lifetime = .keepAlways
+        add(attachment)
+    }
+}
--- a/cbindgen.toml
+++ b/cbindgen.toml
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,8 @@
 mod move_money;
+use std::ffi::c_char;
+use std::ffi::CStr;
+use std::ffi::CString;
+
 pub use self::move_money::*;

 mod smush_rules;
@@ -6,3 +10,47 @@ pub use self::smush_rules::*;

 mod overhead_allocation;
 pub use self::overhead_allocation::*;
+
+#[no_mangle]
+pub extern "C" fn move_money_from_text(
+    rules: *const c_char,
+    lines: *const c_char,
+    use_numeric_accounts: bool,
+) -> *mut c_char {
+    let mut output_writer = csv::Writer::from_writer(vec![]);
+    let safe_rules = unsafe {
+        assert!(!rules.is_null());
+        CStr::from_ptr(rules)
+    };
+    let safe_lines = unsafe {
+        assert!(!lines.is_null());
+        CStr::from_ptr(lines)
+    };
+    move_money(
+        csv::Reader::from_reader(safe_rules.to_bytes()),
+        csv::Reader::from_reader(safe_lines.to_bytes()),
+        &mut output_writer,
+        use_numeric_accounts,
+    );
+    // TODO: Replace all these unwraps with something more elegant
+    let inner = output_writer.into_inner().unwrap();
+    CString::new(String::from_utf8(inner).unwrap())
+        .unwrap()
+        .into_raw()
+
+    // Also some resources I looked at, in case things aren't going right:
+    // https://notes.huy.rocks/en/string-ffi-rust.html
+    // http://jakegoulding.com/rust-ffi-omnibus/string_return/
+    // https://rust-unofficial.github.io/patterns/idioms/ffi/passing-strings.html
+    // This looks like exactly what I'm doing too: https://mozilla.github.io/firefox-browser-architecture/experiments/2017-09-06-rust-on-ios.htmlcar
+}
+
+#[no_mangle]
+pub extern "C" fn move_money_from_text_free(s: *mut c_char) {
+    unsafe {
+        if s.is_null() {
+            return;
+        }
+        CString::from_raw(s)
+    };
+}
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
 use std::{collections::HashMap, error::Error, io::Write, path::PathBuf};

 use clap::{Parser, Subcommand};
-use coster_rs::{CsvCost, Unit};
+use coster_rs::CsvCost;
 use serde::Deserialize;

 #[derive(Parser)]
@@ -79,7 +79,7 @@ fn move_money(
    coster_rs::move_money(
        csv::Reader::from_path(rules)?,
        csv::Reader::from_path(lines)?,
-        csv::Writer::from_path(output.unwrap_or(PathBuf::from("output.csv")))?,
+        &mut csv::Writer::from_path(output.unwrap_or(PathBuf::from("output.csv")))?,
        use_numeric_accounts,
    )
 }
--- a/src/move_money.rs
+++ b/src/move_money.rs
@@ -92,7 +92,7 @@ pub struct CsvCost {
 pub fn move_money<R, L, O>(
    rules_reader: csv::Reader<R>,
    lines_reader: csv::Reader<L>,
-    output: csv::Writer<O>,
+    output: &mut csv::Writer<O>,
    use_numeric_accounts: bool,
 ) -> anyhow::Result<()>
 where
@@ -326,7 +326,7 @@ mod tests {
        super::move_money(
            csv::Reader::from_path("reclassrule.csv").unwrap(),
            csv::Reader::from_path("line.csv").unwrap(),
-            csv::Writer::from_path("output.csv").unwrap(),
+            &mut csv::Writer::from_path("output.csv").unwrap(),
            true,
        );
    }
--- a/src/overhead_allocation.rs
+++ b/src/overhead_allocation.rs
@@ -1,7 +1,8 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, io::Read, path::Path};

 use itertools::Itertools;
 use nalgebra::{DMatrix, Dynamic, LU};
+use serde::Deserialize;

 #[derive(Debug, PartialEq, Eq)]
 pub enum DepartmentType {
@@ -9,6 +10,36 @@ pub enum DepartmentType {
    Overhead,
 }

+#[derive(Deserialize)]
+pub struct CsvAllocationStatistic {
+    #[serde(rename = "Name")]
+    name: String,
+    #[serde(rename = "Description")]
+    description: Option<String>,
+    #[serde(rename = "AccountType")]
+    account_type: String,
+    #[serde(rename = "AccountRanges")]
+    account_ranges: String,
+}
+
+#[derive(Deserialize)]
+pub struct CsvAccount {
+    #[serde(rename = "Code")]
+    code: String,
+    #[serde(rename = "Description")]
+    description: Option<String>,
+    #[serde(rename = "Type")]
+    account_type: String,
+    #[serde(rename = "CostOutput")]
+    cost_output: Option<String>,
+    #[serde(rename = "PercentFixed")]
+    percent_fixed: f64,
+}
+
+type CsvCostCentre = HashMap<String, String>;
+
+type CsvArea = HashMap<String, String>;
+
 // Note: remember these are overhead departments only when calculating the lu decomposition or pseudoinverse, and for each department,
 // you either need -1 or rest negative for a row to subtract the initial amounts so we end up effectively 0 (simultaneous equations end
 // up with negative there so yes this is expected)
@@ -65,10 +96,32 @@ fn get_rules_indexes(
        .collect()
 }

+pub fn reciprocal_allocation<Lines, Account, AllocationStatistic, Area, CostCentre, Output>(
+    lines: csv::Reader<Lines>,
+    accounts: csv::Reader<Account>,
+    allocation_statistics: csv::Reader<AllocationStatistic>,
+    areas: csv::Reader<Area>,
+    cost_centres: csv::Reader<CostCentre>,
+    output: csv::Writer<Output>,
+) where
+    Lines: Read,
+    Account: Read,
+    AllocationStatistic: Read,
+    Area: Read,
+    CostCentre: Read,
+    Output: std::io::Write,
+{
+    // Build out the the list of allocation rules from areas/allocation statistics (similar to ppm building 'cost drivers')
+
+    // do reciprocal allocation (only for variable portion of accounts), for each account
+
+    // Copy across fixed stuff (if necessary, not sure it is)
+}
+
 // Perform the reciprocal allocation (matrix) method to allocate servicing departments (indirect) costs
 // to functional departments. Basically just a matrix solve, uses regression (moore-penrose pseudoinverse) when
 // matrix is singular
-pub fn reciprocal_allocation(
+fn reciprocal_allocation_impl(
    allocations: Vec<OverheadAllocationRule>,
    account_costs: Vec<AccountCost>,
    // TODO: Throw an appropriate error