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/**
* @file lluistring.h
* @author: Steve Bennetts
* @brief LLUIString base class
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLUISTRING_H
#define LL_LLUISTRING_H
// lluistring.h
//
// Copyright 2006, Linden Research, Inc.
// Original aurthor: Steve
#include "stdtypes.h"
#include "llstring.h"
#include <string>
// Use this class to store translated text that may have arguments
// e.g. "Welcome [USERNAME] to [SECONDLIFE]!"
// Adding or changing an argument will update the result string, preserving the origianl
// Thus, subsequent changes to arguments or even the original string will produce
// the correct result
// Example Usage:
// LLUIString mMessage("Welcome [USERNAME] to [SECONDLIFE]!");
// mMessage.setArg("[USERNAME]", "Steve");
// mMessage.setArg("[SECONDLIFE]", "Second Life");
// llinfos << mMessage.getString().c_str() << llendl; // outputs "Welcome Steve to Second Life"
// mMessage.setArg("[USERNAME]", "Joe");
// llinfos << mMessage.getString().c_str() << llendl; // outputs "Welcome Joe to Second Life"
// mMessage = "Recepción a la [SECONDLIFE] [USERNAME]"
// mMessage.setArg("[SECONDLIFE]", "Segunda Vida");
// llinfos << mMessage.getString().c_str() << llendl; // outputs "Recepción a la Segunda Vida Joe"
// Implementation Notes:
// Attempting to have operator[](const LLString& s) return mArgs[s] fails because we have
// to call format() after the assignment happens.
class LLUIString
{
public:
// These methods all perform appropriate argument substitution
// and modify mOrig where appropriate
LLUIString() {}
LLUIString(const LLString& instring, const LLString::format_map_t& args);
LLUIString(const LLString& instring) { assign(instring); }
void assign(const LLString& instring);
LLUIString& operator=(const LLString& s) { assign(s); return *this; }
void setArgList(const LLString::format_map_t& args);
void setArg(const LLString& key, const LLString& replacement);
const LLString& getString() const { return mResult; }
operator LLString() const { return mResult; }
const LLWString& getWString() const { return mWResult; }
operator LLWString() const { return mWResult; }
bool empty() const { return mWResult.empty(); }
S32 length() const { return mWResult.size(); }
void clear();
void clearArgs();
// These utuilty functions are included for text editing.
// They do not affect mOrig and do not perform argument substitution
void truncate(S32 maxchars);
void erase(S32 charidx, S32 len);
void insert(S32 charidx, const LLWString& wchars);
void replace(S32 charidx, llwchar wc);
static const LLString::format_map_t sNullArgs;
private:
void format();
LLString mOrig;
LLString mResult;
LLWString mWResult; // for displaying
LLString::format_map_t mArgs;
};
#endif // LL_LLUISTRING_H
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