70 lines
2 KiB
C
70 lines
2 KiB
C
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#pragma once
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#include <string>
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#include "Common/StringUtils.h"
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#include "Common/Net/URL.h"
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#include "Common/Log.h"
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// Utility to deal with Android storage URIs of the forms:
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// content://com.android.externalstorage.documents/tree/primary%3APSP%20ISO
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// content://com.android.externalstorage.documents/tree/primary%3APSP%20ISO/document/primary%3APSP%20ISO
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// This file compiles on all platforms, to reduce the need for ifdefs.
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// I am not 100% sure it's OK to rely on the internal format of file content URIs.
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// On the other hand, I'm sure tons of apps would break if these changed, so I think we can
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// consider them pretty stable. Additionally, the official Document library just manipulates the URIs
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// in similar ways...
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class AndroidContentURI {
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private:
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std::string provider;
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std::string root;
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std::string file;
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public:
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AndroidContentURI() {}
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explicit AndroidContentURI(const std::string &path) {
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Parse(path);
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}
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bool Parse(const std::string &path);
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AndroidContentURI WithRootFilePath(const std::string &filePath);
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AndroidContentURI WithComponent(const std::string &filePath);
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AndroidContentURI WithExtraExtension(const std::string &extension);
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AndroidContentURI WithReplacedExtension(const std::string &oldExtension, const std::string &newExtension) const;
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AndroidContentURI WithReplacedExtension(const std::string &newExtension) const;
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bool CanNavigateUp() const;
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// Only goes downwards in hierarchies. No ".." will ever be generated.
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bool ComputePathTo(const AndroidContentURI &other, std::string &path) const;
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std::string GetFileExtension() const;
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std::string GetLastPart() const;
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bool NavigateUp();
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bool TreeContains(const AndroidContentURI &fileURI) {
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if (root.empty()) {
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return false;
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}
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return startsWith(fileURI.file, root);
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}
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std::string ToString() const;
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// Never store the output of this, only show it to the user.
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std::string ToVisualString() const {
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return file;
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}
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const std::string &FilePath() const {
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return file;
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}
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const std::string &RootPath() const {
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return root.empty() ? file : root;
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}
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};
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