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115 lines
2.6 KiB
D
115 lines
2.6 KiB
D
/*
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Monster - an advanced game scripting language
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Copyright (C) 2004, 2007-2009 Nicolay Korslund
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Email: <korslund@gmail.com>
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WWW: http://monster.snaptoad.com/
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This file (string.d) is part of the Monster script language
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package.
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Monster is distributed as free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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version 3, as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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version 3 along with this program. If not, see
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http://www.gnu.org/licenses/ .
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*/
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module monster.util.string;
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import std.utf;
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import std.string;
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// These functions check whether a string begins or ends with a
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// certain substring.
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bool begins(char[] str, char[] start)
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{
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if(str.length < start.length ||
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str[0..start.length] != start) return false;
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return true;
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}
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bool ends(char[] str, char[] end)
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{
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if(str.length < end.length ||
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str[$-end.length..$] != end) return false;
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return true;
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}
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// Case insensitive versions of begins and ends
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bool iBegins(char[] str, char[] start)
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{
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if(str.length < start.length ||
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icmp(str[0..start.length], start) != 0) return false;
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return true;
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}
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bool iEnds(char[] str, char[] end)
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{
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if(str.length < end.length ||
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icmp(str[$-end.length..$], end) != 0) return false;
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return true;
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}
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char[] nextWord(ref char[] str, char delim = ' ')
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{
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int i = find(str, delim);
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char[] result;
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// No 'delim' found, return the entire string and set remainder to
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// null.
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if(i == -1)
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{
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result = str;
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str = null;
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return result;
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}
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// A separator was found. Return everything upto 'delim' (index i),
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// put the remainder of the string (not including the char at [i])
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// in str.
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result = str[0..i];
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str = str[i+1..$];
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return result;
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}
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// Strip trailing zeros
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char[] stripz(char [] s)
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{
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foreach(int i, char c; s)
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if( c == 0 )
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return s[0..i];
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return s;
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}
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// Convert a long integer into a string using nice comma
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// formatting. delim is the delimiter character, size is the number of
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// digits in each group. See the unittest for examples.
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char[] comma(long i, char delim=',', int size = 3)
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{
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char[] str = toString(i);
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char[] res;
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if(i<0) str=str[1..$];
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str.reverse;
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foreach(int j, char c; str)
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{
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if(j!=0 && j%size == 0)
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res = delim ~ res;
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res = c ~ res;
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}
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if(i<0) res = "-" ~ res;
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return res;
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}
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