add projbase to repo

1 files changed, 149 insertions, 0 deletions

diff --git a/project-base/src/localization.c b/project-base/src/localization.c
new file mode 100644
index 0000000..a87b9f5
--- /dev/null
+++ b/project-base/src/localization.c
@@ -0,0 +1,149 @@
+/* 
+*  BSD 2-Clause “Simplified” License
+*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
+*  All rights reserved.
+*/
+
+void localization_load(u8 *start_addr, u8 *end_addr, u8 *img_start, u8 *img_end,
+							   char *locale_id, char *locale_name)
+{
+	mo_file mo;
+	mo.translations = array_create(sizeof(mo_translation));
+	mo.translations.reserve_jump = 10;
+	
+	{
+		mo.header = *(mo_header*)start_addr;
+		mo.locale_id = mem_alloc(strlen(locale_id)+1);
+		string_copyn(mo.locale_id, locale_id, strlen(locale_id)+1);
+		
+		mo.locale_full = mem_alloc(strlen(locale_name)+1);
+		string_copyn(mo.locale_full, locale_name, strlen(locale_name)+1);
+		
+		if (img_start) {
+			mo.icon = assets_load_bitmap(img_start, img_end);
+		}
+		else {
+			mo.icon = 0;
+		}
+		
+		char *buffer = (char*)start_addr;
+		mo_entry *identifiers = (mo_entry*)(buffer + mo.header.identifier_table_offset);
+		mo_entry *translations = (mo_entry*)(buffer + mo.header.translation_table_offset);
+		
+		for (s32 i = 0; i < mo.header.number_of_strings; i++)
+		{
+			mo_entry *entry = &identifiers[i];
+			mo_entry *trans = &translations[i];
+			
+			mo_translation translation;
+			translation.identifier_len = entry->length;
+			translation.identifier = buffer+entry->offset;
+			translation.translation = buffer+trans->offset;
+			
+			array_push(&mo.translations, (uint8_t *)&translation);
+		}
+	}
+
+	array_push(&global_localization.mo_files, (uint8_t *)&mo);
+}
+
+char* locale_get_name()
+{
+	log_assert(global_localization.loaded, "localization_init() should be called before using any localization functions");
+
+	if (!global_localization.active_localization)
+	{
+		return "[NO LOCALE]";
+	}
+	
+	return global_localization.active_localization->locale_full;
+}
+
+char* locale_get_id()
+{
+	log_assert(global_localization.loaded, "localization_init() should be called before using any localization functions");
+	
+	if (!global_localization.active_localization)
+	{
+		return "[NO LOCALE]";
+	}
+	
+	return global_localization.active_localization->locale_id;
+}
+
+bool localization_set_locale(char *country_id)
+{
+	log_assert(global_localization.loaded, "localization_init() should be called before using any localization functions");
+
+	if (country_id == 0 && global_localization.mo_files.length)
+	{
+		global_localization.active_localization = array_at(&global_localization.mo_files, 0);
+		return true;
+	}
+	
+	for (s32 i = 0; i < global_localization.mo_files.length; i++)
+	{
+		mo_file *file = array_at(&global_localization.mo_files, i);
+		if (strcmp(file->locale_id, country_id) == 0)
+		{
+			global_localization.active_localization = file;
+			return true;
+		}
+	}
+	
+	// if localization is not found, default to first in list, return false to report error
+	if (global_localization.mo_files.length)
+		global_localization.active_localization = array_at(&global_localization.mo_files, 0);
+	else
+		global_localization.active_localization = 0;
+	
+	return false;
+}
+
+char* localize(const char *identifier)
+{
+	log_assert(global_localization.loaded, "localization_init() should be called before using any localization functions");
+
+	if (!global_localization.active_localization)
+	{
+		return (char*)identifier;
+	}
+	
+	s32 len = strlen(identifier);
+	for (s32 i = 0; i < global_localization.active_localization->translations.length; i++)
+	{
+		mo_translation *trans = array_at(&global_localization.active_localization->translations, i);
+		
+		if (trans->identifier_len == len && strcmp(identifier, trans->identifier) == 0)
+		{
+			return trans->translation;
+		}
+	}
+	printf("MISSING TRANSLATION: [%s][%s]\n", identifier, global_localization.active_localization->locale_id);
+	return "MISSING";
+}
+
+void localization_init()
+{
+	global_localization.mo_files = array_create(sizeof(mo_file));
+	array_reserve(&global_localization.mo_files, 10);
+
+	global_localization.loaded = true;
+}
+
+void localization_destroy()
+{
+	log_assert(global_localization.loaded, "localization_init() should be called before using any localization functions");
+
+	for (s32 i = 0; i < global_localization.mo_files.length; i++)
+	{
+		mo_file *file = array_at(&global_localization.mo_files, i);
+		array_destroy(&file->translations);
+		mem_free(file->locale_id);
+		mem_free(file->locale_full);
+		
+		if (file->icon)
+			assets_destroy_bitmap(file->icon);
+	}
+	array_destroy(&global_localization.mo_files);
+}
\ No newline at end of file