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
|
/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "TextureCacheJob.h"
#include "dbwrappers/Database.h"
#include "dbwrappers/DatabaseQuery.h"
#include <string>
#include <vector>
class CVariant;
class CTextureRule : public CDatabaseQueryRule
{
public:
CTextureRule() = default;
~CTextureRule() override = default;
static void GetAvailableFields(std::vector<std::string> &fieldList);
protected:
int TranslateField(const char *field) const override;
std::string TranslateField(int field) const override;
std::string GetField(int field, const std::string& type) const override;
FIELD_TYPE GetFieldType(int field) const override;
std::string FormatParameter(const std::string &negate,
const std::string &oper,
const CDatabase &db,
const std::string &type) const override;
};
class CTextureDatabase : public CDatabase, public IDatabaseQueryRuleFactory
{
public:
CTextureDatabase();
~CTextureDatabase() override;
bool Open() override;
bool GetCachedTexture(const std::string &originalURL, CTextureDetails &details);
bool AddCachedTexture(const std::string &originalURL, const CTextureDetails &details);
bool SetCachedTextureValid(const std::string &originalURL, bool updateable);
bool ClearCachedTexture(const std::string &originalURL, std::string &cacheFile);
bool ClearCachedTexture(int textureID, std::string &cacheFile);
bool IncrementUseCount(const CTextureDetails &details);
/*! \brief Invalidate a previously cached texture
Invalidates the texture hash, and sets the texture update time to the current time so that
next texture load it will be re-cached.
\param url texture path
*/
bool InvalidateCachedTexture(const std::string &originalURL);
/*! \brief Get a texture associated with the given path
Used for retrieval of previously discovered images to save
stat() on the filesystem all the time
\param url path that may be associated with a texture
\param type type of image to look for
\return URL of the texture associated with the given path
*/
std::string GetTextureForPath(const std::string &url, const std::string &type);
/*! \brief Set a texture associated with the given path
Used for setting of previously discovered images to save
stat() on the filesystem all the time. Should be used to set
the actual image path, not the cached image path (the image will be
cached at load time.)
\param url path that was used to find the texture
\param type type of image to associate
\param texture URL of the texture to associate with the path
*/
void SetTextureForPath(const std::string &url, const std::string &type, const std::string &texture);
/*! \brief Clear a texture associated with the given path
\param url path that was used to find the texture
\param type type of image to associate
\param texture URL of the texture to associate with the path
\sa GetTextureForPath, SetTextureForPath
*/
void ClearTextureForPath(const std::string &url, const std::string &type);
bool GetTextures(CVariant &items, const Filter &filter);
// rule creation
CDatabaseQueryRule *CreateRule() const override;
CDatabaseQueryRuleCombination *CreateCombination() const override;
protected:
/*! \brief retrieve a hash for the given url
Computes a hash of the current url to use for lookups in the database
\param url url to hash
\return a hash for this url
*/
unsigned int GetURLHash(const std::string &url) const;
void CreateTables() override;
void CreateAnalytics() override;
void UpdateTables(int version) override;
int GetSchemaVersion() const override { return 13; }
const char* GetBaseDBName() const override { return "Textures"; }
};
|
