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+/**
+ * @file lltrans.cpp
+ * @brief LLTrans implementation
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltrans.h"
+
+#include "llfasttimer.h" // for call count statistics
+#include "llxuiparser.h"
+#include "llsd.h"
+#include "llxmlnode.h"
+
+#include <map>
+
+LLTrans::template_map_t LLTrans::sStringTemplates;
+LLStringUtil::format_map_t LLTrans::sDefaultArgs;
+
+struct StringDef : public LLInitParam::Block<StringDef>
+{
+ Mandatory<std::string> name;
+ Mandatory<std::string> value;
+
+ StringDef()
+ : name("name"),
+ value("value")
+ {}
+};
+
+struct StringTable : public LLInitParam::Block<StringTable>
+{
+ Multiple<StringDef> strings;
+ StringTable()
+ : strings("string")
+ {}
+};
+
+//static
+bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& default_args)
+{
+ std::string xml_filename = "(strings file)";
+ if (!root->hasName("strings"))
+ {
+ llerrs << "Invalid root node name in " << xml_filename
+ << ": was " << root->getName() << ", expected \"strings\"" << llendl;
+ }
+
+ StringTable string_table;
+ LLXUIParser parser;
+ parser.readXUI(root, string_table, xml_filename);
+
+ if (!string_table.validateBlock())
+ {
+ llerrs << "Problem reading strings: " << xml_filename << llendl;
+ return false;
+ }
+
+ sStringTemplates.clear();
+ sDefaultArgs.clear();
+
+ for(LLInitParam::ParamIterator<StringDef>::const_iterator it = string_table.strings.begin();
+ it != string_table.strings.end();
+ ++it)
+ {
+ LLTransTemplate xml_template(it->name, it->value);
+ sStringTemplates[xml_template.mName] = xml_template;
+
+ std::set<std::string>::const_iterator iter = default_args.find(xml_template.mName);
+ if (iter != default_args.end())
+ {
+ std::string name = *iter;
+ if (name[0] != '[')
+ name = llformat("[%s]",name.c_str());
+ sDefaultArgs[name] = xml_template.mText;
+ }
+ }
+
+ return true;
+}
+
+
+//static
+bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
+{
+ std::string xml_filename = "(language strings file)";
+ if (!root->hasName("strings"))
+ {
+ llerrs << "Invalid root node name in " << xml_filename
+ << ": was " << root->getName() << ", expected \"strings\"" << llendl;
+ }
+
+ StringTable string_table;
+ LLXUIParser parser;
+ parser.readXUI(root, string_table, xml_filename);
+
+ if (!string_table.validateBlock())
+ {
+ llerrs << "Problem reading strings: " << xml_filename << llendl;
+ return false;
+ }
+
+ for(LLInitParam::ParamIterator<StringDef>::const_iterator it = string_table.strings.begin();
+ it != string_table.strings.end();
+ ++it)
+ {
+ // share the same map with parseStrings() so we can search the strings using the same getString() function.- angela
+ LLTransTemplate xml_template(it->name, it->value);
+ sStringTemplates[xml_template.mName] = xml_template;
+ }
+
+ return true;
+}
+
+
+
+static LLFastTimer::DeclareTimer FTM_GET_TRANS("Translate string");
+
+//static
+std::string LLTrans::getString(const std::string &xml_desc, const LLStringUtil::format_map_t& msg_args)
+{
+ // Don't care about time as much as call count. Make sure we're not
+ // calling LLTrans::getString() in an inner loop. JC
+ LLFastTimer timer(FTM_GET_TRANS);
+
+ template_map_t::iterator iter = sStringTemplates.find(xml_desc);
+ if (iter != sStringTemplates.end())
+ {
+ std::string text = iter->second.mText;
+ LLStringUtil::format_map_t args = sDefaultArgs;
+ args.insert(msg_args.begin(), msg_args.end());
+ LLStringUtil::format(text, args);
+
+ return text;
+ }
+ else
+ {
+ LL_WARNS_ONCE("configuration") << "Missing String in strings.xml: [" << xml_desc << "]" << LL_ENDL;
+ return "MissingString("+xml_desc+")";
+ }
+}
+
+//static
+std::string LLTrans::getString(const std::string &xml_desc, const LLSD& msg_args)
+{
+ // Don't care about time as much as call count. Make sure we're not
+ // calling LLTrans::getString() in an inner loop. JC
+ LLFastTimer timer(FTM_GET_TRANS);
+
+ template_map_t::iterator iter = sStringTemplates.find(xml_desc);
+ if (iter != sStringTemplates.end())
+ {
+ std::string text = iter->second.mText;
+ LLStringUtil::format(text, msg_args);
+ return text;
+ }
+ else
+ {
+ LL_WARNS_ONCE("configuration") << "Missing String in strings.xml: [" << xml_desc << "]" << LL_ENDL;
+ return "MissingString("+xml_desc+")";
+ }
+}
+
+//static
+bool LLTrans::findString(std::string &result, const std::string &xml_desc, const LLStringUtil::format_map_t& msg_args)
+{
+ LLFastTimer timer(FTM_GET_TRANS);
+
+ template_map_t::iterator iter = sStringTemplates.find(xml_desc);
+ if (iter != sStringTemplates.end())
+ {
+ std::string text = iter->second.mText;
+ LLStringUtil::format_map_t args = sDefaultArgs;
+ args.insert(msg_args.begin(), msg_args.end());
+ LLStringUtil::format(text, args);
+ result = text;
+ return true;
+ }
+ else
+ {
+ LL_WARNS_ONCE("configuration") << "Missing String in strings.xml: [" << xml_desc << "]" << LL_ENDL;
+ return false;
+ }
+}
+
+//static
+bool LLTrans::findString(std::string &result, const std::string &xml_desc, const LLSD& msg_args)
+{
+ LLFastTimer timer(FTM_GET_TRANS);
+
+ template_map_t::iterator iter = sStringTemplates.find(xml_desc);
+ if (iter != sStringTemplates.end())
+ {
+ std::string text = iter->second.mText;
+ LLStringUtil::format(text, msg_args);
+ result = text;
+ return true;
+ }
+ else
+ {
+ LL_WARNS_ONCE("configuration") << "Missing String in strings.xml: [" << xml_desc << "]" << LL_ENDL;
+ return false;
+ }
+}
+
+//static
+std::string LLTrans::getCountString(const std::string& language, const std::string& xml_desc, S32 count)
+{
+ // Compute which string identifier to use
+ const char* form = "";
+ if (language == "ru") // Russian
+ {
+ // From GNU ngettext()
+ // Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
+ if (count % 10 == 1
+ && count % 100 != 11)
+ {
+ // singular, "1 item"
+ form = "A";
+ }
+ else if (count % 10 >= 2
+ && count % 10 <= 4
+ && (count % 100 < 10 || count % 100 >= 20) )
+ {
+ // special case "2 items", "23 items", but not "13 items"
+ form = "B";
+ }
+ else
+ {
+ // English-style plural, "5 items"
+ form = "C";
+ }
+ }
+ else if (language == "fr" || language == "pt") // French, Brazilian Portuguese
+ {
+ // French and Portuguese treat zero as a singular "0 item" not "0 items"
+ if (count == 0 || count == 1)
+ {
+ form = "A";
+ }
+ else
+ {
+ // English-style plural
+ form = "B";
+ }
+ }
+ else // default
+ {
+ // languages like English with 2 forms, singular and plural
+ if (count == 1)
+ {
+ // "1 item"
+ form = "A";
+ }
+ else
+ {
+ // "2 items", also use plural for "0 items"
+ form = "B";
+ }
+ }
+
+ // Translate that string
+ LLStringUtil::format_map_t args;
+ args["[COUNT]"] = llformat("%d", count);
+
+ // Look up "AgeYearsB" or "AgeWeeksC" including the "form"
+ std::string key = llformat("%s%s", xml_desc.c_str(), form);
+ return getString(key, args);
+}
+
+void LLTrans::setDefaultArg(const std::string& name, const std::string& value)
+{
+ sDefaultArgs[name] = value;
+}
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