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111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
#pragma once
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#include "ppsspp_config.h"
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#include <string>
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enum class PathType {
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UNDEFINED = 0,
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NATIVE = 1, // Can be relative.
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CONTENT_URI = 2, // Android only. Can only be absolute!
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HTTP = 3, // http://, https://
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};
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// Windows paths are always stored with '/' slashes in a Path.
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// On .ToWString(), they are flipped back to '\'.
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class Path {
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private:
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void Init(const std::string &str);
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public:
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Path() : type_(PathType::UNDEFINED) {}
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explicit Path(const std::string &str);
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#if PPSSPP_PLATFORM(WINDOWS)
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explicit Path(const std::wstring &str);
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#endif
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PathType Type() const {
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return type_;
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}
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bool Valid() const { return !path_.empty(); }
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bool IsRoot() const { return path_ == "/"; } // Special value - only path that can end in a slash.
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// Some std::string emulation for simplicity.
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bool empty() const { return !Valid(); }
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void clear() {
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type_ = PathType::UNDEFINED;
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path_.clear();
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}
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size_t size() const {
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return path_.size();
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}
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// WARNING: Potentially unsafe usage, if it's not NATIVE.
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const char *c_str() const {
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return path_.c_str();
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}
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bool IsAbsolute() const;
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// Returns a path extended with a subdirectory.
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Path operator /(const std::string &subdir) const;
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// Navigates down into a subdir.
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void operator /=(const std::string &subdir);
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// File extension manipulation.
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Path WithExtraExtension(const std::string &ext) const;
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Path WithReplacedExtension(const std::string &oldExtension, const std::string &newExtension) const;
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Path WithReplacedExtension(const std::string &newExtension) const;
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// Removes the last component.
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std::string GetFilename() const; // Really, GetLastComponent. Could be a file or directory. Includes the extension.
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std::string GetFileExtension() const; // Always lowercase return. Includes the dot.
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std::string GetDirectory() const;
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const std::string &ToString() const;
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#if PPSSPP_PLATFORM(WINDOWS)
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std::wstring ToWString() const;
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#endif
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std::string ToVisualString() const;
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bool CanNavigateUp() const;
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Path NavigateUp() const;
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// Navigates as far up as possible from this path. If not possible to navigate upwards, returns the same path.
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// Not actually always the root of the volume, especially on systems like Mac and Linux where things are often mounted.
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// For Android directory trees, navigates to the root of the tree.
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Path GetRootVolume() const;
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std::string PathTo(const Path &child);
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bool operator ==(const Path &other) const {
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return path_ == other.path_ && type_ == other.type_;
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}
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bool operator !=(const Path &other) const {
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return path_ != other.path_ || type_ != other.type_;
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}
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bool FilePathContains(const std::string &needle) const;
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bool StartsWith(const Path &other) const;
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bool operator <(const Path &other) const {
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return path_ < other.path_;
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}
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private:
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// The internal representation is currently always the plain string.
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// For CPU efficiency we could keep an AndroidStorageContentURI too,
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// but I don't think the encode/decode cost is significant. We simply create
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// those for processing instead.
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std::string path_;
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PathType type_;
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};
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