Main Page | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Class Members | File Members | Related Pages

QuotedToken.d

Go to the documentation of this file.
00001 /*******************************************************************************
00002 
00003         @file QuotedToken.d
00004         
00005         Copyright (c) 2004 Kris Bell
00006         
00007         This software is provided 'as-is', without any express or implied
00008         warranty. In no event will the authors be held liable for damages
00009         of any kind arising from the use of this software.
00010         
00011         Permission is hereby granted to anyone to use this software for any 
00012         purpose, including commercial applications, and to alter it and/or 
00013         redistribute it freely, subject to the following restrictions:
00014         
00015         1. The origin of this software must not be misrepresented; you must 
00016            not claim that you wrote the original software. If you use this 
00017            software in a product, an acknowledgment within documentation of 
00018            said product would be appreciated but is not required.
00019 
00020         2. Altered source versions must be plainly marked as such, and must 
00021            not be misrepresented as being the original software.
00022 
00023         3. This notice may not be removed or altered from any distribution
00024            of the source.
00025 
00026         4. Derivative works are permitted, but they must carry this notice
00027            in full and credit the original source.
00028 
00029 
00030                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
00031 
00032 
00033         @version        Initial version, December 2005      
00034 
00035         @author         Kris
00036 
00037 
00038 *******************************************************************************/
00039 
00040 module mango.text.QuotedToken;
00041 
00042 private import  mango.text.Text,
00043                 mango.text.Token;
00044 
00045 
00046 /*******************************************************************************
00047 
00048 
00049 *******************************************************************************/
00050 
00051 class QuotedTokenTemplate(T) : TokenTemplate!(T)
00052 {
00053         private T[] set;
00054 
00055         /***********************************************************************
00056  
00057         
00058         ***********************************************************************/
00059 
00060         this (T[] set, T[] string = null)
00061         {
00062                 this.set = set;
00063                 super (string);
00064         }
00065 
00066         /***********************************************************************
00067  
00068         
00069         ***********************************************************************/
00070 
00071         override Token trim ()
00072         {
00073                 super.trim ();
00074 
00075                 if (slice.length > 1)
00076                    {        
00077                    int start, end;
00078                    T* p = slice.ptr;
00079                       
00080                    if (*p == '"' || *p == '\'')
00081                        ++start;
00082                 
00083                    p += (end = slice.length) - 1;
00084                    if (*p == '"' || *p == '\'')
00085                        --end;
00086 
00087                    slice = slice [start..end];
00088                    }
00089                 return this;
00090         }
00091 
00092         /***********************************************************************
00093  
00094         
00095         ***********************************************************************/
00096 
00097         override bool next()
00098         {
00099                 void pair (T quote)
00100                 {
00101                         while (++peek < end)
00102                                if (*peek == quote)
00103                                    return;
00104                         --peek;
00105                 }
00106 
00107                 do {
00108                    while (++peek < end)
00109                           if (TextTemplate!(T).locate (set.ptr, *peek, set.length))
00110                               return found;
00111                           else
00112                              if (*peek == '"' || *peek == '\'')
00113                                  pair (*peek);
00114                    } while (getMore);
00115 
00116                 return hasTail;
00117         }
00118 }
00119 
00120 // convenience alias
00121 alias QuotedTokenTemplate!(char) QuotedToken;

Generated on Sat Dec 24 17:28:33 2005 for Mango by  doxygen 1.4.0