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source: orxonox.OLD/orxonox/trunk/src/lib/util/substring.cc @ 4536

Last change on this file since 4536 was 4220, checked in by bensch, 20 years ago

orxonox/trunk: TrackManager prepared for loading. added new overloaded functions that read in join and fork from one single string
thanks to chris, this was pretty easy… the hard part was finding the substring class :)

File size: 1.8 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   ### File Specific:
12   main-programmer: Christian Meyer
13   co-programmer: ...
14*/
15
16
17/**
18   \brief breaks a string into parts that were initially seperated by comma
19   \param string the string to break into substrings
20*/
21
22#include "substring.h"
23
24#include <string.h>
25#include <assert.h>
26
27SubString::SubString( const char* string)
28{
29  n = 0;
30       
31  assert( string != NULL);
32       
33  for( int i = 0; i < strlen(string); i++) if( string[i] == ',') n++;
34
35  n += 1;
36       
37  strings = new char*[n];
38
39  assert (strings != NULL);
40       
41  int i = 0;
42  int l = 0;
43       
44  const char* offset = string;
45  char* end = strchr( string, ',');
46  while( end != NULL)
47    {
48      assert( i < n);
49      l = end - offset;
50      strings[i] = new char[l + 1];
51      assert( strings[i] != NULL);
52      strncpy( strings[i], offset, l);
53      strings[i][l] = 0;
54      i++;
55      end++;
56      offset = end;
57      end = strchr( offset, ',');
58    }
59       
60  strings[i] = new char[l + 1];
61  l = strlen( offset);
62  strncpy( strings[i], offset, l);
63  strings[i][l] = 0;
64}
65
66/**
67   \brief removes the object from memory
68*/
69SubString::~SubString()
70{
71  for( int i = 0; i < n; i++)
72    {
73      delete strings[i];
74    }
75       
76  delete strings;
77}
78
79/**
80   \brief get the amount of substrings
81   \returns the amount of substrings
82*/
83int SubString::getCount()
84{
85  return n;
86}
87
88/**
89   \brief get a particular substring
90   \param i the ID of the substring to return
91   \returns the designated substring or NULL if an invalid ID was given
92*/
93const char* SubString::getString( int i)
94{
95  if( i < n && i >= 0) return strings[i];
96  else return NULL;
97}
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