51ab59cd36
This commit allows "forced" writes to a write-protected file, by attempting to temporarily grant the current user write permissions on it. After the buffer has been written, the previous permissions are restored if the file existed, or set to 0644 otherwise.
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#ifndef file_hh_INCLUDED
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#define file_hh_INCLUDED
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#include "array_view.hh"
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#include "meta.hh"
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#include "units.hh"
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#include "vector.hh"
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#include <sys/types.h>
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#include <sys/stat.h>
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namespace Kakoune
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{
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class Buffer;
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class String;
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class StringView;
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class Regex;
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using CandidateList = Vector<String, MemoryDomain::Completion>;
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// parse ~/ and $env values in filename and returns the translated filename
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String parse_filename(StringView filename);
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String real_path(StringView filename);
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String compact_path(StringView filename);
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StringView tmpdir();
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// returns pair { directory, filename }
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std::pair<StringView, StringView> split_path(StringView path);
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String get_kak_binary_path();
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bool fd_readable(int fd);
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bool fd_writable(int fd);
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String read_fd(int fd, bool text = false);
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String read_file(StringView filename, bool text = false);
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void write(int fd, StringView data);
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struct MappedFile
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{
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MappedFile(StringView filename);
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~MappedFile();
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operator StringView() const;
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int fd;
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const char* data;
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struct stat st {};
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};
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void write_buffer_to_file(Buffer& buffer, StringView filename, bool force = false);
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void write_buffer_to_fd(Buffer& buffer, int fd);
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void write_buffer_to_backup_file(Buffer& buffer);
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String find_file(StringView filename, ConstArrayView<String> paths);
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bool file_exists(StringView filename);
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Vector<String> list_files(StringView directory);
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void make_directory(StringView dir, mode_t mode);
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timespec get_fs_timestamp(StringView filename);
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constexpr bool operator==(const timespec& lhs, const timespec& rhs)
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{
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return lhs.tv_sec == rhs.tv_sec and lhs.tv_nsec == rhs.tv_nsec;
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}
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constexpr bool operator!=(const timespec& lhs, const timespec& rhs)
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{
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return not (lhs == rhs);
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}
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enum class FilenameFlags
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{
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None = 0,
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OnlyDirectories = 1 << 0,
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Expand = 1 << 1
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};
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constexpr bool with_bit_ops(Meta::Type<FilenameFlags>) { return true; }
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CandidateList complete_filename(StringView prefix, const Regex& ignore_regex,
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ByteCount cursor_pos = -1,
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FilenameFlags flags = FilenameFlags::None);
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CandidateList complete_command(StringView prefix, ByteCount cursor_pos = -1);
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}
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#endif // file_hh_INCLUDED
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