Mercurial > hg > forks > gldragon

annotate dmutil.cpp @ 47:9909014498f0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add helper functions dmError() and dmMsg() and use them.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 05 Dec 2019 23:52:45 +0200
parents 03b86b9c2f29
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1 //
22
03b86b9c2f29 Add copyright blurbs and licenses.
Matti Hamalainen <ccr@tnsp.org>
parents: 21
diff changeset
2 // GLDragon - OpenGL PLY model viewer / simple benchmark
03b86b9c2f29 Add copyright blurbs and licenses.
Matti Hamalainen <ccr@tnsp.org>
parents: 21
diff changeset
3 // -- Miscellaneous utility functions
03b86b9c2f29 Add copyright blurbs and licenses.
Matti Hamalainen <ccr@tnsp.org>
parents: 21
diff changeset
4 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
03b86b9c2f29 Add copyright blurbs and licenses.
Matti Hamalainen <ccr@tnsp.org>
parents: 21
diff changeset
5 // (C) Copyright 2019 Tecnic Software productions (TNSP)
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
6 //
22
03b86b9c2f29 Add copyright blurbs and licenses.
Matti Hamalainen <ccr@tnsp.org>
parents: 21
diff changeset
7 // See file "COPYING" for license information.
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
8 //
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
9 #include "dmutil.h"
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
10 #include <fstream>
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
11
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
12
47
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
13 void dmMsg_V(const char *fmt, va_list ap)
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
14 {
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
15 fprintf(stdout, "INFO: ");
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
16 vfprintf(stdout, fmt, ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
17 }
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
18
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
19
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
20 void dmMsg(const char *fmt, ...)
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
21 {
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
22 va_list ap;
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
23 va_start(ap, fmt);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
24 dmMsg_V(fmt, ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
25 va_end(ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
26 }
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
27
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
28
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
29 void dmError_V(const char *fmt, va_list ap)
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
30 {
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
31 fprintf(stdout, "ERROR: ");
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
32 vfprintf(stdout, fmt, ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
33 }
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
34
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
35
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
36 void dmError(const char *fmt, ...)
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
37 {
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
38 va_list ap;
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
39 va_start(ap, fmt);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
40 dmError_V(fmt, ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
41 va_end(ap);
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
42 }
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
43
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
44
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
45 std::string dmStrLTrim(const std::string& str, const std::string& delim)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
46 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
47 return str.substr(str.find_first_not_of(delim));
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
48 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
49
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
50
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
51 std::string dmStrRTrim(const std::string& str, const std::string& delim)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
52 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
53 return str.substr(0, str.find_last_not_of(delim));
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
54 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
55
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
56
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
57 std::string dmStrTrim(const std::string& str, const std::string& delim)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
58 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
59 if (str.empty())
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
60 return str;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
61
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
62 size_t start = str.find_first_not_of(delim);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
63 return str.substr(start, str.find_last_not_of(delim) - start + 1);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
64 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
65
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
66
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
67 std::vector<std::string> dmStrSplit(const std::string& str, const std::string& delim)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
68 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
69 std::vector<std::string> result;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
70 size_t oldpos = 0, newpos;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
71
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
72 do
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
73 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
74 newpos = str.find_first_of(delim, oldpos);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
75 std::string tmp = dmStrTrim(str.substr(oldpos, newpos - oldpos));
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
76
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
77 if (!tmp.empty())
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
78 result.push_back(tmp);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
79
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
80 oldpos = newpos + 1;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
81 } while (newpos != std::string::npos);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
82
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
83 return result;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
84 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
85
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
86
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
87 std::string dmStrJoin(const std::vector<std::string> &list, const std::string &delim)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
88 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
89 switch (list.size())
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
90 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
91 case 0:
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
92 return "";
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
93
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
94 case 1:
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
95 return list[0];
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
96
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
97 default:
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
98 std::string result;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
99 bool first = true;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
100 for (const auto &elem : list)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
101 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
102 if (!first)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
103 result += delim;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
104 else
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
105 first = false;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
106 result += elem;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
107 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
108 return result;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
109 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
110 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
111
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
112
21
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
113 std::string dmGetPath(const std::string &path)
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
114 {
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
115 size_t dirsep = path.find_last_of("/\\");
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
116 return (dirsep != std::string::npos) ? path.substr(0, dirsep + 1) : "";
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
117 }
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
118
1404dfcee7b8 More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents: 19
diff changeset
119
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
120 bool dmReadText(const std::string &filename, std::string &buf, const int maxSize)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
121 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
122 std::ifstream in(filename.c_str(), std::fstream::in);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
123
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
124 if (!in.is_open())
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
125 {
47
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
126 dmError("Unable to open file '%s'.\n",
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
127 filename.c_str());
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
128 return false;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
129 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
130
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
131 in.seekg(0, std::ios::end);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
132
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
133 if (in.tellg() > maxSize)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
134 {
47
9909014498f0 Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 22
diff changeset
135 dmError("File '%s' is too large.\n",
19
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
136 filename.c_str());
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
137 return false;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
138 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
139
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
140 buf.reserve(in.tellg());
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
141 in.seekg(0, std::ios::beg);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
142
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
143 buf.assign((std::istreambuf_iterator<char>(in)), std::istreambuf_iterator<char>());
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
144
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 return true;
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
146 }
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
147
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
148
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
149 bool dmFileExists(const std::string &filename, std::ios_base::openmode mode)
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
150 {
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
151 std::ifstream infile(filename.c_str(), mode);
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
152 return infile.good();
a329f0216491 Implement PLY file format parsing and extremely simplistic scene setup file format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
153 }