restyle input module to match project style

Reduces lint errors from 69 to 48 (-30%). Line count from 1270 to 1044 (-18%).

Another step in resolving issue #2902.

src/input.h

@@ -1,14 +1,11 @@
-/** \file input.h
-
-Functions for reading a character of input from stdin, using the
-inputrc information for key bindings.
-*/
+// Functions for reading a character of input from stdin, using the inputrc information for key
+// bindings.
 #ifndef FISH_INPUT_H
 #define FISH_INPUT_H
 
+#include <stdbool.h>
 #include <stddef.h>
 #include <vector>
-#include <stdbool.h>
 
 #include "common.h"
 #include "env.h"
@@ -18,121 +15,93 @@ inputrc information for key bindings.
 
 wcstring describe_char(wint_t c);
 
-/**
-   Initialize the terminal by calling setupterm, and set up arrays
-   used by readch to detect escape sequences for special keys.
-
-   Before calling input_init, terminfo is not initialized and MUST not be used
-*/
+/// Initialize the terminal by calling setupterm, and set up arrays used by readch to detect escape
+/// sequences for special keys.
+///
+/// Before calling input_init, terminfo is not initialized and MUST not be used.
 int input_init();
 
-/**
-   free up memory used by terminal functions.
-*/
+/// free up memory used by terminal functions.
 void input_destroy();
 
-/**
-   Read a character from fd 0. Try to convert some escape sequences
-   into character constants, but do not permanently block the escape
-   character.
-
-   This is performed in the same way vim does it, i.e. if an escape
-   character is read, wait for more input for a short time (a few
-   milliseconds). If more input is avaialable, it is assumed to be an
-   escape sequence for a special character (such as an arrow key), and
-   readch attempts to parse it. If no more input follows after the
-   escape key, it is assumed to be an actual escape key press, and is
-   returned as such.
-
-   The argument determines whether fish commands are allowed to be run
-   as bindings. If false, when a character is encountered that would
-   invoke a fish command, it is unread and R_NULL is returned.
-*/
+/// Read a character from fd 0. Try to convert some escape sequences into character constants, but
+/// do not permanently block the escape character.
+///
+/// This is performed in the same way vim does it, i.e. if an escape character is read, wait for
+/// more input for a short time (a few milliseconds). If more input is avaialable, it is assumed to
+/// be an escape sequence for a special character (such as an arrow key), and readch attempts to
+/// parse it. If no more input follows after the escape key, it is assumed to be an actual escape
+/// key press, and is returned as such.
+///
+/// The argument determines whether fish commands are allowed to be run as bindings. If false, when
+/// a character is encountered that would invoke a fish command, it is unread and R_NULL is
+/// returned.
 wint_t input_readch(bool allow_commands = true);
 
-/**
-   Enqueue a character or a readline function to the queue of unread
-   characters that input_readch will return before actually reading from fd
-   0.
- */
+/// Enqueue a character or a readline function to the queue of unread characters that input_readch
+/// will return before actually reading from fd 0.
 void input_queue_ch(wint_t ch);
 
-
-/**
-   Add a key mapping from the specified sequence to the specified command
-
-   \param sequence the sequence to bind
-   \param command an input function that will be run whenever the key sequence occurs
-*/
+/// Add a key mapping from the specified sequence to the specified command.
+///
+/// \param sequence the sequence to bind
+/// \param command an input function that will be run whenever the key sequence occurs
 void input_mapping_add(const wchar_t *sequence, const wchar_t *command,
                        const wchar_t *mode = DEFAULT_BIND_MODE,
                        const wchar_t *new_mode = DEFAULT_BIND_MODE);
 
-void input_mapping_add(const wchar_t *sequence, const wchar_t * const *commands, size_t commands_len,
-                       const wchar_t *mode = DEFAULT_BIND_MODE, const wchar_t *new_mode = DEFAULT_BIND_MODE);
+void input_mapping_add(const wchar_t *sequence, const wchar_t *const *commands, size_t commands_len,
+                       const wchar_t *mode = DEFAULT_BIND_MODE,
+                       const wchar_t *new_mode = DEFAULT_BIND_MODE);
 
 struct input_mapping_name_t {
     wcstring seq;
     wcstring mode;
 };
 
-/**
-   Returns all mapping names and modes
- */
+/// Returns all mapping names and modes.
 std::vector<input_mapping_name_t> input_mapping_get_names();
 
-/**
-   Erase binding for specified key sequence
- */
+/// Erase binding for specified key sequence.
 bool input_mapping_erase(const wcstring &sequence, const wcstring &mode = DEFAULT_BIND_MODE);
 
-/**
-   Gets the command bound to the specified key sequence in the specified mode. Returns true if it exists, false if not.
- */
-bool input_mapping_get(const wcstring &sequence, const wcstring &mode, wcstring_list_t *out_cmds, wcstring *out_new_mode);
+/// Gets the command bound to the specified key sequence in the specified mode. Returns true if it
+/// exists, false if not.
+bool input_mapping_get(const wcstring &sequence, const wcstring &mode, wcstring_list_t *out_cmds,
+                       wcstring *out_new_mode);
 
-/**
-    Return the current bind mode
-*/
+/// Return the current bind mode.
 wcstring input_get_bind_mode();
 
-/**
-    Set the current bind mode
-*/
+/// Set the current bind mode.
 void input_set_bind_mode(const wcstring &bind_mode);
 
-
 wchar_t input_function_pop_arg();
 
-
-/**
-    Sets the return status of the most recently executed input function
-*/
+/// Sets the return status of the most recently executed input function.
 void input_function_set_status(bool status);
 
-/**
-   Return the sequence for the terminfo variable of the specified name.
-
-   If no terminfo variable of the specified name could be found, return false and set errno to ENOENT.
-   If the terminfo variable does not have a value, return false and set errno to EILSEQ.
- */
+/// Return the sequence for the terminfo variable of the specified name.
+///
+/// If no terminfo variable of the specified name could be found, return false and set errno to
+/// ENOENT. If the terminfo variable does not have a value, return false and set errno to EILSEQ.
 bool input_terminfo_get_sequence(const wchar_t *name, wcstring *out_seq);
 
-/** Return the name of the terminfo variable with the specified sequence, in out_name. Returns true if found, false if not found. */
+/// Return the name of the terminfo variable with the specified sequence, in out_name. Returns true
+/// if found, false if not found.
 bool input_terminfo_get_name(const wcstring &seq, wcstring *out_name);
 
-/** Return a list of all known terminfo names */
+/// Return a list of all known terminfo names.
 wcstring_list_t input_terminfo_get_names(bool skip_null);
 
-/** Returns the input function code for the given input function name. */
+/// Returns the input function code for the given input function name.
 #define INPUT_CODE_NONE (wchar_t(-1))
 wchar_t input_function_get_code(const wcstring &name);
 
-/** Returns a list of all existing input function names */
+/// Returns a list of all existing input function names.
 wcstring_list_t input_function_get_names(void);
 
-/** Updates our idea of whether we support term256 and term24bit */
+/// Updates our idea of whether we support term256 and term24bit.
 void update_fish_color_support();
 
-
 #endif