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
|
/*
* The ManaVerse Client
* Copyright (C) 2011-2020 The ManaPlus Developers
* Copyright (C) 2020-2025 The ManaVerse Developers
*
* This file is part of The ManaVerse Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "debug.h"
#include "src/log.h"
#include "utils/xml.h"
#include <libxml/xmlerror.h>
#include "utils/filesystem.h"
namespace XML
{
struct XMLContext
{
std::string file;
};
#if LIBXML_VERSION >= 21200
static void xmlLogger(void *ctx, const xmlError *error)
#else
static void xmlLogger(void *ctx, xmlErrorPtr error)
#endif
{
auto *context = static_cast<XMLContext*>(ctx);
if (context)
logger->log("Error in XML file '%s' on line %d",
context->file.c_str(), error->line);
else
logger->log("Error in unknown XML file on line %d",
error->line);
logger->log("%s", error->message);
// No need to keep errors around
xmlCtxtResetLastError(error->ctxt);
}
Document::Document(const std::string &filename, bool useResman) :
mDoc(nullptr)
{
XMLContext ctx;
ctx.file = filename;
xmlSetStructuredErrorFunc(&ctx, xmlLogger);
size_t size;
char *data = nullptr;
if (useResman)
data = (char *) FS::loadFile(filename, size);
else
data = (char *) SDL_LoadFile(filename.c_str(), &size);
if (data)
{
mDoc = xmlParseMemory(data, size);
SDL_free(data);
if (!mDoc)
logger->log("Error parsing XML file %s", filename.c_str());
}
else
{
logger->log("Error loading %s: %s", filename.c_str(), SDL_GetError());
}
xmlSetStructuredErrorFunc(nullptr, xmlLogger);
}
Document::~Document()
{
if (mDoc)
xmlFreeDoc(mDoc);
}
void init()
{
// Initialize libxml2 and check for potential ABI mismatches between
// compiled version and the shared library actually used.
xmlInitParser();
LIBXML_TEST_VERSION;
// Handle libxml2 error messages
xmlSetStructuredErrorFunc(nullptr, xmlLogger);
}
Writer::Writer(const std::string &fileName)
{
mWriter = xmlNewTextWriterFilename(fileName.c_str(), 0);
if (!mWriter)
{
logger->log("Error creating XML writer for file %s", fileName.c_str());
return;
}
xmlTextWriterSetIndent(mWriter, 1);
xmlTextWriterStartDocument(mWriter, nullptr, nullptr, nullptr);
}
Writer::~Writer()
{
if (!mWriter)
return;
xmlTextWriterEndDocument(mWriter);
xmlFreeTextWriter(mWriter);
}
} // namespace XML
|
