From 1fd3ffc31392681382f8e0cb0b038cd46a19a9e2 Mon Sep 17 00:00:00 2001
From: Amar Takhar <verm@aegisub.org>
Date: Wed, 31 Dec 2008 09:20:50 +0000
Subject: [PATCH] Add 'libosxutil' which gives us functions to locate paths
 within bundles, for now this is used by libass to load fontconfig's
 fonts.conf.

Originally committed to SVN as r2585.
---
 aegisub/Makefile.am             | 12 +++--
 aegisub/libosxutil/Makefile.am  |  7 +++
 aegisub/libosxutil/bundledirs.c | 96 +++++++++++++++++++++++++++++++++
 aegisub/libosxutil/libosxutil.h |  9 ++++
 configure.in                    |  1 +
 5 files changed, 122 insertions(+), 3 deletions(-)
 create mode 100644 aegisub/libosxutil/Makefile.am
 create mode 100644 aegisub/libosxutil/bundledirs.c
 create mode 100644 aegisub/libosxutil/libosxutil.h

diff --git a/aegisub/Makefile.am b/aegisub/Makefile.am
index f32b7b5af..2b1d9d8c1 100644
--- a/aegisub/Makefile.am
+++ b/aegisub/Makefile.am
@@ -2,14 +2,20 @@ AUTOMAKE_OPTIONS = foreign
 SUFFIXES = .c .cpp .rc
 noinst_LIBRARIES= 
 
-SUBDIRS = bitmaps posix
+if BUILD_DARWIN
+libosxutil_subdir = libosxutil
+libosxutil_lib = libosxutil/libosxutil.a
+libosxutil_ldflags = -framwork CoreFoundation
+endif
+
+SUBDIRS = bitmaps posix $(libosxutil_subdir)
 
 AM_CXXFLAGS = -DAEGISUB -Iposix -include posix/defines.h -Iinclude @WX_CPPFLAGS@ @OPENMP_CXXFLAGS@
 
 bin_PROGRAMS = aegisub
-aegisub_LDADD = posix/libposix.a
+aegisub_LDADD = posix/libposix.a $(libosxutil_lib)
 aegisub_CPPFLAGS = @FREETYPE_CFLAGS@
-aegisub_LDFLAGS = @GL_LIBS@ @PTHREAD_LIBS@ @WX_LIBS@ @ICONV_LDFLAGS@
+aegisub_LDFLAGS = @GL_LIBS@ @PTHREAD_LIBS@ @WX_LIBS@ @ICONV_LDFLAGS@ $(libosxutil_ldflags)
 LIBS += @FREETYPE_LIBS@ @FONTCONFIG_LIBS@
 
 if BUILD_DARWIN
diff --git a/aegisub/libosxutil/Makefile.am b/aegisub/libosxutil/Makefile.am
new file mode 100644
index 000000000..a17e8a633
--- /dev/null
+++ b/aegisub/libosxutil/Makefile.am
@@ -0,0 +1,7 @@
+noinst_LIBRARIES = libosxutil.a
+
+libosxutil_a_SOURCES = bundledirs.c
+
+noinst_HEADERS = libosxutil.h
+
+EXTRA_DIST= callables.c
diff --git a/aegisub/libosxutil/bundledirs.c b/aegisub/libosxutil/bundledirs.c
new file mode 100644
index 000000000..73f7e5674
--- /dev/null
+++ b/aegisub/libosxutil/bundledirs.c
@@ -0,0 +1,96 @@
+#include <string.h>
+#include <sys/param.h>
+#include <CoreFoundation/CFBundle.h>
+#include <CoreFoundation/CFURL.h>
+#include <CoreFoundation/CFString.h>
+
+#include "libosxutil.h"
+
+
+typedef CFURLRef (*GetURLFunc)(CFBundleRef);
+
+static char * GetDir(GetURLFunc GetURL)
+{
+	CFBundleRef bundle;
+	CFURLRef res_dir_url;
+	char res_dir_str[MAXPATHLEN];
+	Boolean res;
+
+	bundle = CFBundleGetMainBundle();
+	if (!bundle) return NULL;
+
+	res_dir_url = (*GetURL)(bundle);
+	// we do not own 'bundle' so don't release it
+	if (!res_dir_url) return NULL;
+
+	res = CFURLGetFileSystemRepresentation(res_dir_url, true, (UInt8*)res_dir_str, MAXPATHLEN);
+	CFRelease(res_dir_url);
+
+	if (res == false)
+		return NULL;
+	else
+		return strdup(res_dir_str);
+}
+
+char * OSX_GetBundleResourcesDirectory()
+{
+	return GetDir(CFBundleCopyResourcesDirectoryURL);
+}
+
+char * OSX_GetBundleExecutablePath()
+{
+	return GetDir(CFBundleCopyExecutableURL);
+}
+
+char * OSX_GetBundleBuiltInPlugInsDirectory()
+{
+	return GetDir(CFBundleCopyBuiltInPlugInsURL);
+}
+
+char * OSX_GetBundlePrivateFrameworksDirectory()
+{
+	return GetDir(CFBundleCopyPrivateFrameworksURL);
+}
+
+char * OSX_GetSharedFrameworksDirectory()
+{
+	return GetDir(CFBundleCopySharedFrameworksURL);
+}
+
+char * OSX_GetSharedSupportDirectory()
+{
+	return GetDir(CFBundleCopySharedSupportURL);
+}
+
+char * OSX_GetSupportFilesDirectory()
+{
+	return GetDir(CFBundleCopySupportFilesDirectoryURL);
+}
+
+char * OSX_GetAuxillaryExecutablePath(const char *executableName)
+{
+	CFStringRef exename_str;
+	CFBundleRef bundle;
+	CFURLRef res_dir_url;
+	char res_dir_str[MAXPATHLEN];
+	Boolean res;
+
+	exename_str = CFStringCreateWithCString(NULL, executableName, kCFStringEncodingUTF8);
+	if (!exename_str) return NULL;
+	
+	bundle = CFBundleGetMainBundle();
+	if (!bundle) return NULL;
+	
+	res_dir_url = CFBundleCopyAuxiliaryExecutableURL(bundle, exename_str);
+	CFRelease(exename_str);
+	if (!res_dir_url) return NULL;
+	
+	res = CFURLGetFileSystemRepresentation(res_dir_url, true, (UInt8*)res_dir_str, MAXPATHLEN);
+	CFRelease(res_dir_url);
+	
+	if (res == false)
+		return NULL;
+	else
+		return strdup(res_dir_str);
+}
+
diff --git a/aegisub/libosxutil/libosxutil.h b/aegisub/libosxutil/libosxutil.h
new file mode 100644
index 000000000..4a482e4e3
--- /dev/null
+++ b/aegisub/libosxutil/libosxutil.h
@@ -0,0 +1,9 @@
+char * OSX_GetBundleResourcesDirectory();
+char * OSX_GetBundleBuiltInPlugInsDirectory();
+char * OSX_GetBundlePrivateFrameworksDirectory();
+char * OSX_GetSharedFrameworksDirectory();
+char * OSX_GetSharedSupportDirectory();
+char * OSX_GetSupportFilesDirectory();
+
+char * OSX_GetBundleExecutablePath();
+char * OSX_GetAuxillaryExecutablePath(const char *executableName);
diff --git a/configure.in b/configure.in
index eb4ccc111..2b4ead1a4 100644
--- a/configure.in
+++ b/configure.in
@@ -925,6 +925,7 @@ Makefile
 aegisub/Makefile
 aegisub/bitmaps/Makefile
 aegisub/posix/Makefile
+aegisub/libosxutil/Makefile
 universalchardet/Makefile
 FFmpegSource2/Makefile
 auto3/Makefile