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127 lines
5.2 KiB
EmacsLisp
127 lines
5.2 KiB
EmacsLisp
;;; phpinspect-fs.el --- PHP parsing and completion package -*- lexical-binding: t; -*-
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;; Copyright (C) 2021 Free Software Foundation, Inc
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;; Author: Hugo Thunnissen <devel@hugot.nl>
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;; Keywords: php, languages, tools, convenience
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;; Version: 0
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(cl-defstruct (phpinspect-fs (:constructor phpinspect-make-fs)))
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(cl-defstruct (phpinspect-virtual-fs (:constructor phpinspect-make-virtual-fs))
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"A rough in-memory filesystem. Useful for testing."
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(files (make-hash-table :test 'equal)
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:type hash-table
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:documentation
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"The files in the virtual filesystem"))
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(defsubst phpinspect-make-virtual-file (contents)
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(list contents (current-time)))
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(defalias 'phpinspect-virtual-file-modification-time #'cadr)
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(defalias 'phpinspect-virtual-file-contents #'car)
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(cl-defmethod phpinspect-virtual-fs-set-file ((fs phpinspect-virtual-fs)
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path
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contents)
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(puthash path (phpinspect-make-virtual-file contents)
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(phpinspect-virtual-fs-files fs)))
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(cl-defgeneric phpinspect-fs-file-exists-p (fs file))
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(cl-defgeneric phpinspect-fs-file-directory-p (fs file))
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(cl-defgeneric phpinspect-fs-file-modification-time (fs file))
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(cl-defgeneric phpinspect-fs-insert-file-contents (fs file))
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(cl-defgeneric phpinspect-fs-directory-files (fs directory match))
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(cl-defgeneric phpinspect-fs-directory-files-recursively (fs directory match))
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(cl-defmethod phpinspect-fs-file-exists-p ((fs phpinspect-fs) file)
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(file-exists-p file))
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(cl-defmethod phpinspect-fs-file-exists-p ((fs phpinspect-virtual-fs) file)
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(and (gethash file (phpinspect-virtual-fs-files fs)) t))
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(cl-defmethod phpinspect-fs-file-directory-p ((fs phpinspect-fs) file)
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(file-directory-p file))
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(cl-defmethod phpinspect-fs-file-directory-p ((fs phpinspect-virtual-fs) file)
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(setq file (concat (string-remove-suffix "/" file) "/"))
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(let ((is-directory? nil))
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(maphash
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(lambda (existing-file _ignored)
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(when (string-prefix-p (file-name-directory existing-file)
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file)
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(setq is-directory? t)))
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(phpinspect-virtual-fs-files fs))
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is-directory?))
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(cl-defmethod phpinspect-fs-file-modification-time ((fs phpinspect-virtual-fs) file)
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(let ((file (gethash file (phpinspect-virtual-fs-files fs))))
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(when file
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(phpinspect-virtual-file-modification-time file))))
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(cl-defmethod phpinspect-fs-file-modification-time ((fs phpinspect-fs) file)
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(let ((attributes (file-attributes file)))
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(when attributes
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(file-attribute-modification-time attributes))))
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(cl-defmethod phpinspect-fs-insert-file-contents ((fs phpinspect-fs) file)
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(insert-file-contents-literally file))
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(cl-defmethod phpinspect-fs-insert-file-contents ((fs phpinspect-virtual-fs) file)
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(let ((file-obj (gethash file (phpinspect-virtual-fs-files fs))))
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(when file (insert (or (phpinspect-virtual-file-contents file-obj) "")))))
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(cl-defmethod phpinspect-fs-directory-files ((fs phpinspect-fs) directory &optional match)
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(directory-files directory t match t))
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(cl-defmethod phpinspect-fs-directory-files ((fs phpinspect-virtual-fs) directory &optional match)
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(setq directory (replace-regexp-in-string "[/]+" "/" (concat directory "/")))
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(let ((files))
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(maphash
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(lambda (file _ignored)
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(let ((basename (replace-regexp-in-string "/.*$" "" (string-remove-prefix directory file))))
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(when (and (string-prefix-p directory file)
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(string-match-p "^[^/]*$" basename)
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(if match (string-match-p match basename) t))
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(cl-pushnew (concat directory basename) files :test #'string=))))
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(phpinspect-virtual-fs-files fs))
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files))
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(cl-defmethod phpinspect-fs-directory-files-recursively ((fs phpinspect-fs) directory &optional match)
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(directory-files-recursively directory
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match
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t ;; Ignore directories that cannot be read
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t ;; follow symlinks
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))
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(cl-defmethod phpinspect-fs-directory-files-recursively ((fs phpinspect-virtual-fs) directory &optional match)
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(setq directory (replace-regexp-in-string "[/]+" "/" (concat directory "/")))
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(let ((files))
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(maphash
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(lambda (file _ignored)
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(when (and (string-prefix-p directory file)
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(if match (string-match-p match file) t))
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(push file files)))
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(phpinspect-virtual-fs-files fs))
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files))
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(provide 'phpinspect-fs)
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;;; phpinspect-fs.el ends here
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