Commit 9d35f7c4 authored by Philipp Möller's avatar Philipp Möller Committed by Brad King

cmake-mode.el: Add help for variables/properties/complete. Factorize.

parent 7cc21e9a
......@@ -291,31 +291,47 @@ optional argument topic will be appended to the argument list."
(cmake-command-run "--help-command-list")
)
(defvar cmake-help-command-history nil "Topic read history.")
(defvar cmake-help-commands '() "List of available topics for --help-command.")
(defun cmake-command-list-as-list ()
"Run cmake --help-command-list and return a list where each element is a cmake command."
(let ((temp-buffer-name "*CMake Commands Temporary*"))
(save-window-excursion
(cmake-command-run "--help-command-list" nil temp-buffer-name)
(with-current-buffer temp-buffer-name
(cdr (split-string (buffer-substring-no-properties (point-min) (point-max)) "\n" t)))))
(defvar cmake-commands '() "List of available topics for --help-command.")
(defvar cmake-help-command-history nil "Command read history.")
(defvar cmake-modules '() "List of available topics for --help-module.")
(defvar cmake-help-module-history nil "Module read history.")
(defvar cmake-variables '() "List of available topics for --help-variable.")
(defvar cmake-help-variable-history nil "Variable read history.")
(defvar cmake-properties '() "List of available topics for --help-property.")
(defvar cmake-help-property-history nil "Property read history.")
(defvar cmake-help-complete-history nil "Complete help read history.")
(defvar cmake-string-to-list-symbol
'(("command" cmake-commands cmake-help-command-history)
("module" cmake-modules cmake-help-module-history)
("variable" cmake-variables cmake-help-variable-history)
("property" cmake-properties cmake-help-property-history)
))
(defun cmake-get-list (listname)
"If the value of LISTVAR is nil, run cmake --help-LISTNAME-list
and store the result as a list in LISTVAR."
(let ((listvar (car (cdr (assoc listname cmake-string-to-list-symbol)))))
(if (not (symbol-value listvar))
(let ((temp-buffer-name "*CMake Temporary*"))
(save-window-excursion
(cmake-command-run (concat "--help-" listname "-list") nil temp-buffer-name)
(with-current-buffer temp-buffer-name
(set listvar (cdr (split-string (buffer-substring-no-properties (point-min) (point-max)) "\n" t))))))
(symbol-value listvar)
))
)
(require 'thingatpt)
;;;###autoload
(defun cmake-get-command ()
"Gets the topic from the minibuffer input. The default is the word the cursor is on."
(defun cmake-help-type (type)
(let* ((default-entry (word-at-point))
(history (car (cdr (cdr (assoc type cmake-string-to-list-symbol)))))
(input (completing-read
"CMake command: " ; prompt
((lambda ()
(if cmake-help-commands cmake-help-commands
(setq cmake-help-commands (cmake-command-list-as-list))))) ; completions
(format "CMake %s: " type) ; prompt
(cmake-get-list type) ; completions
nil ; predicate
t ; require-match
default-entry ; initial-input
'cmake-help-command-history ; command history
history
)))
(if (string= input "")
(error "No argument given")
......@@ -324,41 +340,59 @@ optional argument topic will be appended to the argument list."
;;;###autoload
(defun cmake-help-command ()
"Prints out the help message corresponding to the command the cursor is on."
"Prints out the help message for the command the cursor is on."
(interactive)
(cmake-command-run "--help-command" (downcase (cmake-get-command)) "*CMake Help*"))
(cmake-command-run "--help-command" (cmake-help-type "command") "*CMake Help*"))
(defvar cmake-help-module-history nil "Module read history.")
(defvar cmake-help-modules '() "List of available topics for --help-module.")
(defun cmake-module-list ()
(let ((temp-buffer-name "*CMake Modules Temporary*"))
(save-window-excursion
(cmake-command-run "--help-module-list" nil temp-buffer-name)
(with-current-buffer temp-buffer-name
(cdr (split-string (buffer-substring-no-properties (point-min) (point-max)) "\n" t)))))
)
;;;###autoload
(defun cmake-help-module ()
"Prints out the help message for the module the cursor is on."
(interactive)
(cmake-command-run "--help-module" (cmake-help-type "module") "*CMake Help*"))
(defun cmake-get-module ()
(let ((input (completing-read
"CMake module: " ; prompt
((lambda ()
(if cmake-help-modules cmake-help-modules
(setq cmake-help-modules (cmake-module-list))))) ; completions
nil ; predicate
t ; require-match
nil ; initial-input
'cmake-help-module-history ; module history
)))
(if (string= input "")
(error "No argument given")
input)
))
;;;###autoload
(defun cmake-help-variable ()
"Prints out the help message for the variable the cursor is on."
(interactive)
(cmake-command-run "--help-variable" (cmake-help-type "variable") "*CMake Help*"))
(defun cmake-help-module ()
"Prints out the help message corresponding to the given module."
;;;###autoload
(defun cmake-help-property ()
"Prints out the help message for the property the cursor is on."
(interactive)
(cmake-command-run "--help-module" (cmake-get-module) "*CMake Module Help*"))
(cmake-command-run "--help-property" (cmake-help-type "property") "*CMake Help*"))
;;;###autoload
(defun cmake-help ()
"Queries for any of the four available help topics and prints out the approriate page."
(interactive)
(let* ((default-entry (word-at-point))
(command-list (cmake-get-list "command"))
(variable-list (cmake-get-list "variable"))
(module-list (cmake-get-list "module"))
(property-list (cmake-get-list "property"))
(all-words (append command-list variable-list module-list property-list))
(input (completing-read
"CMake command/module/variable/property: " ; prompt
all-words ; completions
nil ; predicate
t ; require-match
default-entry ; initial-input
'cmake-help-complete-history
)))
(if (string= input "")
(error "No argument given")
(if (member input command-list)
(cmake-command-run "--help-command" input "*CMake Help*")
(if (member input variable-list)
(cmake-command-run "--help-variable" input "*CMake Help*")
(if (member input module-list)
(cmake-command-run "--help-module" input "*CMake Help*")
(if (member input property-list)
(cmake-command-run "--help-property" input "*CMake Help*")
(error "Not a know help topic.") ; this really should not happen
))))))
)
;;;###autoload
(progn
......
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