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;