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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* AdapterLoaders.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "AdapterLoaders.h"
#include "Filesystem.h"
#include "../json/JsonNode.h"
VCMI_LIB_NAMESPACE_BEGIN
CMappedFileLoader::CMappedFileLoader(const std::string & mountPoint, const JsonNode &config)
{
for(auto entry : config.Struct())
{
//fileList[ResourcePath(mountPoint + entry.first)] = ResourcePath(mountPoint + entry.second.String());
fileList.emplace(ResourcePath(mountPoint + entry.first), ResourcePath(mountPoint + entry.second.String()));
}
}
std::unique_ptr<CInputStream> CMappedFileLoader::load(const ResourcePath & resourceName) const
{
return CResourceHandler::get()->load(fileList.at(resourceName));
}
bool CMappedFileLoader::existsResource(const ResourcePath & resourceName) const
{
return fileList.count(resourceName) != 0;
}
std::string CMappedFileLoader::getMountPoint() const
{
return ""; // does not have any meaning with this type of data source
}
std::optional<boost::filesystem::path> CMappedFileLoader::getResourceName(const ResourcePath & resourceName) const
{
return CResourceHandler::get()->getResourceName(fileList.at(resourceName));
}
std::unordered_set<ResourcePath> CMappedFileLoader::getFilteredFiles(std::function<bool(const ResourcePath &)> filter) const
{
std::unordered_set<ResourcePath> foundID;
for(const auto & file : fileList)
{
if (filter(file.first))
foundID.insert(file.first);
}
return foundID;
}
CFilesystemList::CFilesystemList()
{
}
CFilesystemList::~CFilesystemList()
{
}
std::unique_ptr<CInputStream> CFilesystemList::load(const ResourcePath & resourceName) const
{
// load resource from last loader that have it (last overridden version)
for(const auto & loader : boost::adaptors::reverse(loaders))
if (loader->existsResource(resourceName))
return loader->load(resourceName);
throw std::runtime_error("Resource with name " + resourceName.getName() + " and type "
+ EResTypeHelper::getEResTypeAsString(resourceName.getType()) + " wasn't found.");
}
bool CFilesystemList::existsResource(const ResourcePath & resourceName) const
{
for(const auto & loader : loaders)
if (loader->existsResource(resourceName))
return true;
return false;
}
std::string CFilesystemList::getMountPoint() const
{
return "";
}
std::optional<boost::filesystem::path> CFilesystemList::getResourceName(const ResourcePath & resourceName) const
{
if (existsResource(resourceName))
return getResourcesWithName(resourceName).back()->getResourceName(resourceName);
return std::optional<boost::filesystem::path>();
}
std::set<boost::filesystem::path> CFilesystemList::getResourceNames(const ResourcePath & resourceName) const
{
std::set<boost::filesystem::path> paths;
for(auto& loader : getResourcesWithName(resourceName))
{
auto rn = loader->getResourceName(resourceName);
if(rn)
{
paths.insert(rn->string());
}
}
return paths;
}
void CFilesystemList::updateFilteredFiles(std::function<bool(const std::string &)> filter) const
{
for(const auto & loader : loaders)
loader->updateFilteredFiles(filter);
}
std::unordered_set<ResourcePath> CFilesystemList::getFilteredFiles(std::function<bool(const ResourcePath &)> filter) const
{
std::unordered_set<ResourcePath> ret;
for(const auto & loader : loaders)
for(const auto & entry : loader->getFilteredFiles(filter))
ret.insert(entry);
return ret;
}
bool CFilesystemList::createResource(const std::string & filename, bool update)
{
logGlobal->trace("Creating %s", filename);
for (auto & loader : boost::adaptors::reverse(loaders))
{
if (writeableLoaders.count(loader.get()) != 0 // writeable,
&& loader->createResource(filename, update)) // successfully created
{
// Check if resource was created successfully. Possible reasons for this to fail
// a) loader failed to create resource (e.g. read-only FS)
// b) in update mode, call with filename that does not exists
assert(load(ResourcePath(filename)));
logGlobal->trace("Resource created successfully");
return true;
}
}
logGlobal->trace("Failed to create resource");
return false;
}
std::vector<const ISimpleResourceLoader *> CFilesystemList::getResourcesWithName(const ResourcePath & resourceName) const
{
std::vector<const ISimpleResourceLoader *> ret;
for(const auto & loader : loaders)
boost::range::copy(loader->getResourcesWithName(resourceName), std::back_inserter(ret));
return ret;
}
void CFilesystemList::addLoader(ISimpleResourceLoader * loader, bool writeable)
{
loaders.push_back(std::unique_ptr<ISimpleResourceLoader>(loader));
if (writeable)
writeableLoaders.insert(loader);
}
bool CFilesystemList::removeLoader(ISimpleResourceLoader * loader)
{
for(auto loaderIterator = loaders.begin(); loaderIterator != loaders.end(); ++loaderIterator)
{
if(loaderIterator->get() == loader)
{
loaders.erase(loaderIterator);
writeableLoaders.erase(loader);
return true;
}
}
return false;
}
VCMI_LIB_NAMESPACE_END
|
