Implement correctly loading from macos bundle resources

build-packages.sh

@@ -91,13 +91,9 @@ lite_build_package_macosx () {
   local os="macosx"
 
   local appdir=".package-build/lite-xl.app"
-  mkdir -p "$appdir/Contents"/{MacOS,Resources}
-  local pdir="$appdir/Contents/MacOS"
-
-  local bindir="$pdir"
-  local datadir="$pdir/data"
-  mkdir -p "$bindir"
-  mkdir -p "$datadir"
+  local bindir="$appdir/Contents/MacOS"
+  local datadir="$appdir/Contents/Resources"
+  mkdir -p "$bindir" "$datadir"
   for module_name in core plugins colors fonts; do
     copy_directory_from_repo --strip-components=1 "data/$module_name" "$datadir"
   done

data/core/start.lua

@@ -4,10 +4,14 @@ VERSION = "1.16.5"
 
 SCALE = tonumber(os.getenv("LITE_SCALE")) or SCALE
 PATHSEP = package.config:sub(1, 1)
-EXEDIR = EXEFILE:match("^(.+)[/\\][^/\\]+$")
 
-local prefix = EXEDIR:match("^(.+)[/\\]bin$")
-DATADIR = prefix and (prefix .. '/share/lite-xl') or (EXEDIR .. '/data')
+EXEDIR = EXEFILE:match("^(.+)[/\\][^/\\]+$")
+if MACOS_RESOURCES then
+  DATADIR = MACOS_RESOURCES
+else
+  local prefix = EXEDIR:match("^(.+)[/\\]bin$")
+  DATADIR = prefix and (prefix .. '/share/lite-xl') or (EXEDIR .. '/data')
+end
 USERDIR = HOME and (HOME .. '/.config/lite-xl') or (EXEDIR .. '/user')
 
 package.path = DATADIR .. '/?.lua;' .. package.path

meson.build

@@ -1,4 +1,4 @@
-project('lite', 'c', 'cpp', default_options : ['c_std=gnu11', 'cpp_std=c++03'])
+project('lite', 'c', 'cpp', 'objc', default_options : ['c_std=gnu11', 'cpp_std=c++03'])
 
 cc = meson.get_compiler('c')
 libm = cc.find_library('m', required : false)

src/bundle_open.h

@@ -1,9 +1,8 @@
 #ifndef BUNDLE_OPEN_H
 #define BUNDLE_OPEN_H
 
-#include <stdio.h>
+#include "lua.h"
 
-const char *resource_path_from_bundle();
-FILE* open_fp_from_bundle_or_fallback(const char *file, const char *mode);
+void set_macos_bundle_resources(lua_State *L);
 
 #endif

src/bundle_open.m

@@ -1,47 +1,12 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #import <Foundation/Foundation.h>
 
 #include "bundle_open.h"
 
-const char *resource_path_from_bundle()
+void set_macos_bundle_resources(lua_State *L)
 { @autoreleasepool
 {
-    NSFileManager* file_manager = [NSFileManager defaultManager];
     NSString* resource_path = [[NSBundle mainBundle] resourcePath];
-    const char *resource_path_c = [resource_path UTF8String];
-    size_t len = strlen(resource_path_c);
-    char *resource_path_s = malloc(len + 1);
-    if (resource_path_s) {
-        memcpy(resource_path_s, resource_path_c, len + 1);
-    }
-    return resource_path_s;
-}}
-
-FILE* open_fp_from_bundle_or_fallback(const char *file, const char *mode)
-{ @autoreleasepool
-{
-    FILE* fp = NULL;
-
-    /* If the file mode is writable, skip all the bundle stuff because generally the bundle is read-only. */
-    if(strcmp("r", mode) && strcmp("rb", mode)) {
-        return fopen(file, mode);
-    }
-
-    NSFileManager* file_manager = [NSFileManager defaultManager];
-    NSString* resource_path = [[NSBundle mainBundle] resourcePath];
-
-    NSString* ns_string_file_component = [file_manager stringWithFileSystemRepresentation:file length:strlen(file)];
-
-    NSString* full_path_with_file_to_try = [resource_path stringByAppendingPathComponent:ns_string_file_component];
-    if([file_manager fileExistsAtPath:full_path_with_file_to_try]) {
-        fp = fopen([full_path_with_file_to_try fileSystemRepresentation], mode);
-    } else {
-        fp = fopen(file, mode);
-    }
-
-    return fp;
+    lua_pushstring(L, [resource_path UTF8String]);
+    lua_setglobal(L, "MACOS_RESOURCES");
 }}
 

src/main.c

@@ -103,12 +103,6 @@ int main(int argc, char **argv) {
   SetProcessDPIAware();
 #endif
 
-#ifdef __APPLE__
-  const char *resource_path = resource_path_from_bundle();
-  fprintf(stderr, "resource path: %s\n", resource_path);
-  free(resource_path);
-#endif
-
   SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
   SDL_EnableScreenSaver();
   SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
@@ -155,13 +149,17 @@ init_lua:
   lua_pushstring(L, exename);
   lua_setglobal(L, "EXEFILE");
 
+#ifdef __APPLE__
+  set_macos_bundle_resources(L);
+#endif
+
   const char *init_lite_code = \
     "local core\n"
     "xpcall(function()\n"
     "  HOME = os.getenv('" LITE_OS_HOME "')\n"
     "  local exedir = EXEFILE:match(\"^(.*)" LITE_PATHSEP_PATTERN LITE_NONPATHSEP_PATTERN "$\")\n"
     "  local prefix = exedir:match(\"^(.*)" LITE_PATHSEP_PATTERN "bin$\")\n"
-    "  dofile((prefix and prefix .. '/share/lite-xl' or exedir .. '/data') .. '/core/start.lua')\n"
+    "  dofile((MACOS_RESOURCES or (prefix and prefix .. '/share/lite-xl' or exedir .. '/data')) .. '/core/start.lua')\n"
     "  core = require('core')\n"
     "  core.init()\n"
     "  core.run()\n"