the whole game

src/locale/I18n.cpp

@@ -0,0 +1,121 @@
+#include "I18n.h"
+#include <sstream>
+#include "../AppPlatform.h"
+#include "../util/StringUtils.h"
+#include "../world/level/tile/Tile.h"
+#include "../world/item/ItemInstance.h"
+#include <ctype.h>
+
+I18n::Map I18n::_strings;
+
+void I18n::loadLanguage( AppPlatform* platform, const std::string& languageCode )
+{
+	_strings.clear();
+	fillTranslations(platform, "lang/en_US.lang", true);
+
+	if (languageCode != "en_US")
+		fillTranslations(platform, "lang/" + languageCode + ".lang", true);
+}
+
+bool I18n::get( const std::string& id, std::string& out ) {
+	Map::const_iterator cit = _strings.find(id);
+	if (cit != _strings.end()) {
+		out = cit->second;
+		return true;
+	}
+	return false;
+}
+
+std::string I18n::get( const std::string& id )
+{
+	Map::const_iterator cit = _strings.find(id);
+	if (cit != _strings.end())
+		return cit->second;
+
+	return id + '<';//lang.getElement(id);
+}
+
+void I18n::fillTranslations( AppPlatform* platform, const std::string& filename, bool overwrite )
+{
+	BinaryBlob blob = platform->readAssetFile(filename);
+	if (!blob.data || blob.size <= 0)
+		return;
+
+	std::string data((const char*)blob.data, blob.size);
+	std::stringstream fin(data, std::ios_base::in);
+
+	std::string line;
+	while( std::getline(fin, line) ) {
+		int spos = line.find('=');
+		if (spos == std::string::npos)
+			continue;
+
+		std::string key   = Util::stringTrim(line.substr(0, spos));
+		Map::const_iterator cit = _strings.find(key);
+		if (!overwrite && cit != _strings.end())
+			continue;
+
+		std::string value = Util::stringTrim(line.substr(spos + 1));
+		_strings.insert( std::make_pair(key, value ) );
+	}
+
+	delete[] blob.data;
+}
+
+std::string I18n::getDescriptionString( const ItemInstance& item )
+{
+	// Convert to lower. Normally std::transform would be used, but tolower might be
+	// implemented with a macro in certain C-implementations -> messing stuff up
+	const std::string desc = item.getDescriptionId();
+
+	std::string s = desc;
+	std::string trans;
+
+	// Handle special cases
+	if (item.id == Tile::cloth->id)
+		return get(item.getAuxValue()? "desc.wool" : "desc.woolstring");
+	else if (item.id == Tile::fenceGate->id)
+		return I18n::get("desc.fence");
+	else if (item.id == Tile::stoneSlabHalf->id)
+		return I18n::get("desc.slab");
+
+	for (unsigned int i = 0; i < s.length(); ++i)
+		s[i] = ::tolower(s[i]);
+
+	// Replace item./tile. with desc., hopefully it's enough
+	if (s[0] == 't') s = Util::stringReplace(s, "tile.", "desc.");
+	if (s[0] == 'i') s = Util::stringReplace(s, "item.", "desc.");
+	if (I18n::get(s, trans))
+		return trans;
+
+	// Remove all materials from the identifier, since swordWood should
+	// be read as just sword
+	const char* materials[] = {
+		"wood",
+		"iron",
+		"stone",
+		"diamond",
+		"gold",
+		"brick",
+		"emerald",
+		"lapis",
+		"cloth"
+	};
+
+	Util::removeAll(s, materials, sizeof(materials) / sizeof(const char*));
+	if (I18n::get(s, trans))
+		return trans;
+
+	std::string mapping[] = {
+		"tile.workbench",	"craftingtable",
+	};
+	const char numMappings = sizeof(mapping) / sizeof(std::string);
+	for (int i = 0; i < numMappings; i += 2) {
+		if (desc == mapping[i]) {
+			if (I18n::get("desc." + mapping[i+1], trans))
+				return trans;
+		}
+	}
+
+	return desc + " : couldn't find desc";
+}