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authorMattes D <github@xoft.cz>2020-01-03 17:31:13 +0100
committerMattes D <github@xoft.cz>2020-01-07 06:53:17 +0100
commit4aef80b47eb6941d7fc41e57efe147af0ece1f9b (patch)
tree4aeb7c9e8e4aa3ae2ceed1cc60155d868852c5cd /src/Protocol/ProtocolPalettes.h
parentStringUtils: Added note to StringsConcat about StringJoin. (diff)
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Diffstat (limited to 'src/Protocol/ProtocolPalettes.h')
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diff --git a/src/Protocol/ProtocolPalettes.h b/src/Protocol/ProtocolPalettes.h
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+#pragma once
+
+#include "../OSSupport/CriticalSection.h"
+
+
+
+
+
+// fwd:
+class BlockTypePalette;
+
+
+
+
+
+/** Loads the protocol-specific palettes on startup and provides them to the individual protocol
+instances when they are created.
+Uses the data in the $/Server/Protocol folder. Each protocol version has a subfolder there,
+containing possibly multiple palette files. All the files are loaded in sequence (alpha-sorted),
+into the palette corresponding to the file's extension (*.btp.txt -> BlockTypePalette).
+Provides thread safety for the data properly. */
+class ProtocolPalettes
+{
+public:
+
+ /** Loads all the per-protocol palettes.
+ aProtocolFolder is the folder that contains a subfolder for each protocol version;
+ each subfolder contains the protocol-specific palettes (as in $/Server/Protocol)
+ If a protocol version is already loaded, yet present in the folder, the newly loaded data is merged
+ into the current data.
+ Always succeeds (even when there are no palettes). */
+ void load(const AString & aProtocolFolder);
+
+ /** Returns the BlockTypePalette for the specified protocol.
+ Returns nullptr if no such palette has been loaded. */
+ std::shared_ptr<const BlockTypePalette> blockTypePalette(const AString & aProtocolVersion) const;
+
+ /** Returns the version names of all protocols that have been loaded. */
+ std::vector<AString> protocolVersions() const;
+
+
+protected:
+
+ /** Container for all palettes for a single protocol. */
+ struct Palettes
+ {
+ std::shared_ptr<BlockTypePalette> mBlockTypePalette;
+ // TODO: ItemTypePalette
+
+ Palettes();
+ };
+
+
+ /** The CS protecting all members against multithreaded access. */
+ mutable cCriticalSection mCS;
+
+ /** The map of protocol version -> all its palettes. */
+ std::map<AString, Palettes> mPalettes;
+
+
+ /** Loads all the palettes from the specified folder into mPalettes under the aProtocolVersion key. */
+ void loadSingleVersion(const AString & aProtocolVersion, const AString & aFolder);
+};