lib: Add basic file class

The class resolves the path to the ocarina directory based on the file
hint provided.  NOTE: compile-debug.good and compile.good resolve paths
to my home directory.  Other users will need to change the values for
the test to pass.

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>

.gitignore

@@ -9,6 +9,5 @@
 ocarina.bin
 .sconsign.dblite
 bin/
-lib/
 PKGBUILD
 !PKGBUILD.tmpl

config

@@ -25,13 +25,19 @@ class Config:
 		self.DEBUG   = CONFIG_DEBUG
 		self.ENV     = CONFIG_ENV
 		self.FILE    = False
+		self.TEST    = False
+
+	def package(self, name):
+		env.ParseConfig("pkg-config --cflags --libs %s" % name)
 
 	def reconfigure(self):
 		env.Replace( CCFLAGS = self.ENV )
 		if self.FILE: env.Append( CCFLAGS = "-DCONFIG_FILE" )
+		if self.TEST: env.Append( CCFLAGS = "-DCONFIG_TEST" )
 
 	def reset(self):
 		self.FILE = False
+		self.TEST = False
 		self.reconfigure()
 
 CONFIG = Config()

include/file.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2013 (c) Bryan Schumaker.
+ */
+#ifndef OCARINA_FILE_H
+#define OCARINA_FILE_H
+
+#include <string>
+
+enum FileLocHint {
+	FILE_TYPE_CONFIG,
+	FILE_TYPE_DATA,
+	FILE_TYPE_LEGACY,
+};
+
+class File {
+private:
+	FileLocHint hint;
+	std::string filepath;
+
+public:
+	File(std::string, FileLocHint);
+	const char *get_filepath();
+};
+
+#endif /* OCARINA_FILE_H */

lib/Sconscript

@@ -0,0 +1,10 @@
+#!/usr/bin/python
+Import("env", "CONFIG")
+
+build = []
+
+if CONFIG.FILE:
+	CONFIG.package("glib-2.0")
+	build += [ env.Object("file.cpp") ]
+
+Return("build")

lib/file.cpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2013 (c) Bryan Schumaker.
+ */
+#include <file.h>
+
+#include <glib.h>
+
+#ifdef CONFIG_TEST
+#define OCARINA_DIR "ocarina-test"
+#elif CONFIG_DEBUG
+#define OCARINA_DIR "ocarina-debug"
+#else
+#define OCARINA_DIR "ocarina"
+#endif
+
+File :: File(std::string path, FileLocHint file_hint)
+      : hint(file_hint)
+{
+	std::string dir;
+
+	switch (file_hint) {
+	case FILE_TYPE_CONFIG:
+		dir = g_get_user_config_dir();
+		break;
+	case FILE_TYPE_DATA:
+		dir = g_get_user_data_dir();
+		break;
+	case FILE_TYPE_LEGACY:
+		dir = g_get_home_dir();
+	}
+
+	dir += "/";
+	switch (file_hint) {
+	case FILE_TYPE_CONFIG:
+	case FILE_TYPE_DATA:
+		dir += OCARINA_DIR;
+		break;
+	case FILE_TYPE_LEGACY:
+		dir += ".";
+		dir += OCARINA_DIR;
+	}
+
+	filepath = dir + "/" + path;
+}
+
+const char *File :: get_filepath()
+{
+	return filepath.c_str();
+}

tests/Sconscript

@@ -49,6 +49,7 @@ Export("Test")
 scripts = [ "basic", "file" ]
 for s in scripts:
 	CONFIG.reset()
+	CONFIG.TEST = True
 	SConscript("%s/Sconscript" % s)
 
 Default("tests")

tests/file/Sconscript

@@ -0,0 +1,6 @@
+#!/usr/bin/python
+Import("Test", "CONFIG")
+
+CONFIG.FILE = True
+
+Test("file", "compile.cpp")

tests/file/compile-debug.good

@@ -0,0 +1,3 @@
+File path is: /home/anna/.config/ocarina-test/test.file
+File path is: /home/anna/.local/share/ocarina-test/test.file
+File path is: /home/anna/.ocarina-test/test.file

tests/file/compile.cpp

@@ -0,0 +1,19 @@
+/*
+ * Test that a file object can be created.
+ */
+#include <file.h>
+#include <print.h>
+
+void test_filepath(FileLocHint hint)
+{
+	File file("test.file", hint);
+	print("File path is: %s\n", file.get_filepath());
+}
+
+int main(int argc, char **argv)
+{
+	test_filepath(FILE_TYPE_CONFIG);
+	test_filepath(FILE_TYPE_DATA);
+	test_filepath(FILE_TYPE_LEGACY);
+	return 0;
+}

tests/file/compile.good

@@ -0,0 +1,3 @@
+File path is: /home/anna/.config/ocarina-test/test.file
+File path is: /home/anna/.local/share/ocarina-test/test.file
+File path is: /home/anna/.ocarina-test/test.file