Main Page | Namespace List | Class Hierarchy | Alphabetical List | Compound List | File List | Namespace Members | Compound Members | File Members

# StringTokenizer.cpp

Go to the documentation of this file.

    00001 //------------------------------------------------------------------------------
    00002 // Lamp : Open source game middleware
    00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
    00004 //
    00005 // This library is free software; you can redistribute it and/or
    00006 // modify it under the terms of the GNU Lesser General Public
    00007 // License as published by the Free Software Foundation; either
    00008 // version 2.1 of the License, or (at your option) any later version.
    00009 //
    00010 // This library is distributed in the hope that it will be useful,
    00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013 // Lesser General Public License for more details.
    00014 //
    00015 // You should have received a copy of the GNU Lesser General Public
    00016 // License along with this library; if not, write to the Free Software
    00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00018 //------------------------------------------------------------------------------
    00019
    00020 /** @file
    00021  * ストリングトークナイザ実装
    00022  * @author Junpee
    00023  */
    00024
    00025 #include "LampBasic.h"
    00026 #include "Core/Utility/StringTokenizer.h"
    00027 #include "Core/System/StringMethod.h"
    00028
    00029 namespace Lamp{
    00030
    00031 // デフォルトデリミタ
    00032 const String StringTokenizer::defaultDelimiter(" \t\n\r\f");
    00033
    00034 //------------------------------------------------------------------------------
    00035 // コンストラクタ
    00036 StringTokenizer::StringTokenizer() :
    00037     base_(NULL), current_(NULL), tokenOffset_(0), delimiterOutput_(false){
    00038 }
    00039 //------------------------------------------------------------------------------
    00040 // 初期化
    00041 void StringTokenizer::initialize(const char* target,
    00042      const String& delimiter, bool delimiterOutput){
    00043      base_ = current_ = target;
    00044      tokenOffset_ = 0;
    00045      delimiter_ = delimiter;
    00046      delimiterOutput_ = delimiterOutput;
    00047      nowToken_ = "";
    00048      previousToken_ = "";
    00049 }
    00050 //------------------------------------------------------------------------------
    00051 // 初期化
    00052 void StringTokenizer::initialize(const String& target,
    00053     const String& delimiter, bool delimiterOutput){
    00054     targetString_ = target;
    00055     initialize(target.getBytes(), delimiter, delimiterOutput);
    00056 }
    00057 //------------------------------------------------------------------------------
    00058 // デストラクタ
    00059 StringTokenizer::~StringTokenizer(){
    00060 }
    00061 //------------------------------------------------------------------------------
    00062 // トークンがまだあるかどうか
    00063 bool StringTokenizer::hasMoreTokens(){
    00064     if(current_ == NULL){ return false; }
    00065     if(delimiterOutput_){ return ((*current_) != '\0'); }
    00066     while(true){
    00067         if((*current_) == '\0'){ return false; }
    00068         int index = (int)StdStrcspn(current_, delimiter_.getBytes());
    00069         if(index != 0){ break; }
    00070         current_ = StdStrinc(current_);
    00071     }
    00072     return true;
    00073 }
    00074 //------------------------------------------------------------------------------
    00075 // 次のトークン取得
    00076 String StringTokenizer::getNextToken(){
    00077     Assert((*current_) != '\0');
    00078     tokenOffset_ = (int)(current_ - base_);
    00079     // デリミタ出力
    00080     int index = (int)StdStrcspn(current_, delimiter_.getBytes());
    00081     if(delimiterOutput_ && (index == 0)){
    00082         const char* prevCurrent = current_;
    00083         current_ = StdStrinc(current_);
    00084         int length = (int)(current_ - prevCurrent);
    00085         char* newString = new char[length + 1];
    00086         StdStrncpy(newString, prevCurrent, length);
    00087         newString[length] = '\0';
    00088         previousToken_ = nowToken_;
    00089         nowToken_ = newString;
    00090         delete[] newString;
    00091         return nowToken_;
    00092     }
    00093     char* newString = new char[index + 1];
    00094     StdStrncpy(newString, current_, index);
    00095     newString[index] = '\0';
    00096     previousToken_ = nowToken_;
    00097     nowToken_ = newString;
    00098     delete[] newString;
    00099     current_ += index;
    00100     return nowToken_;
    00101 }
    00102 //------------------------------------------------------------------------------
    00103 } // End of namespace Lamp
    00104 //------------------------------------------------------------------------------