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/* | ||
Minetest | ||
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> | ||
This program is free software; you can redistribute it and/or modify | ||
it under the terms of the GNU Lesser General Public License as published by | ||
the Free Software Foundation; either version 2.1 of the License, or | ||
(at your option) 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 Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public License along | ||
with this program; if not, write to the Free Software Foundation, Inc., | ||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
*/ | ||
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#include "metadata.h" | ||
#include "exceptions.h" | ||
#include "gamedef.h" | ||
#include "log.h" | ||
#include <sstream> | ||
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/* | ||
Metadata | ||
*/ | ||
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void Metadata::clear() | ||
{ | ||
m_stringvars.clear(); | ||
} | ||
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bool Metadata::empty() const | ||
{ | ||
return m_stringvars.size() == 0; | ||
} | ||
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std::string Metadata::getString(const std::string &name, | ||
u16 recursion) const | ||
{ | ||
StringMap::const_iterator it = m_stringvars.find(name); | ||
if (it == m_stringvars.end()) | ||
return ""; | ||
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return resolveString(it->second, recursion); | ||
} | ||
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void Metadata::setString(const std::string &name, const std::string &var) | ||
{ | ||
if (var.empty()) { | ||
m_stringvars.erase(name); | ||
} else { | ||
m_stringvars[name] = var; | ||
} | ||
} | ||
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std::string Metadata::resolveString(const std::string &str, | ||
u16 recursion) const | ||
{ | ||
if (recursion > 1) { | ||
return str; | ||
} | ||
if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') { | ||
return getString(str.substr(2, str.length() - 3), recursion + 1); | ||
} | ||
return str; | ||
} |
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Original file line number | Diff line number | Diff line change |
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/* | ||
Minetest | ||
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> | ||
This program is free software; you can redistribute it and/or modify | ||
it under the terms of the GNU Lesser General Public License as published by | ||
the Free Software Foundation; either version 2.1 of the License, or | ||
(at your option) 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 Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public License along | ||
with this program; if not, write to the Free Software Foundation, Inc., | ||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
*/ | ||
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#ifndef METADATA_HEADER | ||
#define METADATA_HEADER | ||
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#include "irr_v3d.h" | ||
#include <iostream> | ||
#include <vector> | ||
#include "util/string.h" | ||
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/* | ||
NodeMetadata stores arbitary amounts of data for special blocks. | ||
Used for furnaces, chests and signs. | ||
There are two interaction methods: inventory menu and text input. | ||
Only one can be used for a single metadata, thus only inventory OR | ||
text input should exist in a metadata. | ||
*/ | ||
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class Inventory; | ||
class IItemDefManager; | ||
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class Metadata | ||
{ | ||
public: | ||
void clear(); | ||
bool empty() const; | ||
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// Generic key/value store | ||
std::string getString(const std::string &name, u16 recursion = 0) const; | ||
void setString(const std::string &name, const std::string &var); | ||
// Support variable names in values | ||
std::string resolveString(const std::string &str, u16 recursion = 0) const; | ||
const StringMap &getStrings() const | ||
{ | ||
return m_stringvars; | ||
} | ||
private: | ||
StringMap m_stringvars; | ||
}; | ||
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#endif |
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