1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/******************************************************************************
*
* Purpose: Implementation of the CPCIDSK_TEX class.
*
******************************************************************************
* Copyright (c) 2010
* PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "pcidsk_exception.h"
#include "segment/cpcidsk_tex.h"
#include <cassert>
#include <cstring>
using namespace PCIDSK;
/************************************************************************/
/* CPCIDSK_TEX() */
/************************************************************************/
CPCIDSK_TEX::CPCIDSK_TEX( PCIDSKFile *file, int segment,
const char *segment_pointer )
: CPCIDSKSegment( file, segment, segment_pointer )
{
}
/************************************************************************/
/* ~CPCIDSK_TEX() */
/************************************************************************/
CPCIDSK_TEX::~CPCIDSK_TEX()
{
}
/************************************************************************/
/* ReadText() */
/************************************************************************/
std::string CPCIDSK_TEX::ReadText()
{
PCIDSKBuffer seg_data;
seg_data.SetSize( (int) GetContentSize() );
ReadFromFile( seg_data.buffer, 0, seg_data.buffer_size );
int i;
char *tbuffer = (char *) seg_data.buffer;
for( i = 0; i < seg_data.buffer_size; i++ )
{
if( tbuffer[i] == '\r' )
tbuffer[i] = '\n';
if( tbuffer[i] == '\0' )
break;
}
return std::string( (const char *) seg_data.buffer, i );
}
/************************************************************************/
/* WriteText() */
/************************************************************************/
void CPCIDSK_TEX::WriteText( const std::string &text_in )
{
// Transform all \n's to \r's (chr(10) to char(13)).
unsigned int i, i_out = 0;
std::string text = text_in;
for( i = 0; i < text.size(); i++ )
{
if( text[i] == '\0' )
{
text.resize( i );
break;
}
if( text[i] == '\n' && text[i+1] == '\r' )
{
text[i_out++] = '\r';
i++;
}
else if( text[i] == '\r' && text[i+1] == '\n' )
{
text[i_out++] = '\r';
i++;
}
else if( text[i] == '\n' )
text[i_out++] = '\r';
else
text[i_out++] = text[i];
}
text.resize( i_out );
// make sure we have a newline at the end.
if( i_out > 0 && text[i_out-1] != '\r' )
text += "\r";
// We really *ought* to ensure the rest of the segment
// is zeroed out to properly adhere to the specification.
// It might also be prudent to ensure the segment grows
// in 32K increments to avoid "move to end of file churn"
// if several text segments are growing a bit at a time
// though this is uncommon.
WriteToFile( text.c_str(), 0, text.size() + 1 );
}
|
