143 lines
4.8 KiB
Plaintext
143 lines
4.8 KiB
Plaintext
kakoune(k)
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==========
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NAME
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----
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expansions - a
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Strings
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-------
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\'strings'::
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uninterpreted strings, use a backslash (\') to escape the separator
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"strings"::
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expanded strings, % strings (c.f. next section) contained are expended,
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use a backslash (\\%) to escape the separator
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%\{strings\}::
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these strings are very useful when entering commands
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+
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* the '{' and '}' delimiters are configurable, you can use any non
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alphanumeric character
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+
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----------------------------------------------------------
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e.g. %[string], %<string>, %(string), %~string~, %!string!
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----------------------------------------------------------
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* if the character following '%' is one of '{[(<', then the closing
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one is the matching '}])>' and the delimiters are not escapable but
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are nestable
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+
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-----------------------------------------------------------
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e.g. %{ roger {}; } is a valid string, %{ marcel \} as well
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-----------------------------------------------------------
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Typed expansions
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----------------
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%\{strings\} can have an expansion type between the *%* and the opening
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character. They will be written *%<type>\{<content>\}*. They will be
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expanded according to the given *<type>* using *<content>* as its
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parameter:
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*sh*::
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shell expansion, similar to posix shell '$(...)' construct (c.f. next
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section)
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*reg*::
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register expansion, will expand to the content of the register named
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by *<content>*.
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*opt*::
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option expansion, will expand to the value of the option named by
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*<content>*
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*val*::
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value expansion, will expand to the value of the environment variables
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available to shell expansion. *<content>* shall be the name of that
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variable without the *kak_* prefix.
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*arg*::
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argument expansion, expand to the arguments of the current
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command, *<content>* can be a number, or @ for all arguments
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Shell expansions
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----------------
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The '%sh{...}' expansion replaces its content with the output of the
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shell commands in it. The following environment variables are used to pass
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informations about Kakoune's state:
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*kak_selection*::
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content of the main selection
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*kak_selections*::
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content of the selection separated by colons, colons in the selection
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contents are escaped with a backslash
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*kak_selection_desc*::
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range of the main selection, represented as anchor,cursor; anchor
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and cursor are in this format: line.column
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*kak_selections_desc*::
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range of the selections separated by colons
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*kak_bufname*::
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name of the current buffer
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*kak_buffile*::
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full path of the file or same as kak_bufname when there’s no
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associated file
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*kak_buflist*::
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the current buffer list, each buffer separated by a colon
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*kak_buf_line_count*::
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the current buffer line count
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*kak_timestamp*::
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timestamp of the current buffer, the timestamp is an integer value
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which is incremented each time the buffer is modified
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*kak_history_id*::
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history id of the current buffer, the history id is an integer value
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which is used to reference a specific buffer version in the undo tree
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*kak_runtime*::
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directory containing the kak binary
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*kak_count*::
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count parameter passed to the command
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*kak_opt_<name>*::
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value of option *name*
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*kak_reg_<r>*::
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value of register *r*
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*kak_session*::
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name of the current session
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*kak_client*::
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name of the current client
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*kak_client_pid*::
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process id of the current client
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*kak_client_list*::
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list of clients connected to the current session
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*kak_source*::
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path of the file currently getting executed (through the source
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command)
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*kak_modified*::
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buffer has modifications not saved
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*kak_cursor_line*::
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line of the end of the main selection
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*kak_cursor_column*::
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column of the end of the main selection (in byte)
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*kak_cursor_char_value*::
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unicode value of the codepoint under the cursor
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*kak_cursor_char_column*::
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column of the end of the main selection (in character)
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*kak_cursor_byte_offset*::
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Offset of the main selection from the beginning of the buffer (in bytes).
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*kak_window_width*::
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width of the current kakoune window
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*kak_window_height*::
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height of the current kakoune window
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*kak_hook_param*::
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filtering text passed to the currently executing hook
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*kak_hook_param_capture_N*::
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text captured by the hook filter regex capture N
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*kak_client_env_<name>*::
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value of the *name* variable in the client environment
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(e.g. *$kak_client_env_SHELL* is the SHELL variable)
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Note that in order for Kakoune to pass a value in the environment, the
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variable has to be spelled out within the body of the expansion
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Markup strings
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--------------
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In certain contexts, Kakoune can take a markup string, which is a string
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containing formatting informations. In these strings, the {facename}
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syntax will enable the face facename until another face gets activated,
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or the end of the string is reached.
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Literal '{' characters shall be written '\{', and a literal backslash ('\')
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that precedes a '{' character shall be escaped as well ('\\').
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