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ob-xslt.el
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ob-xslt.el
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;;; ob-xslt.el --- org-babel functions for xslt evaluation -*- lexical-binding: t; -*-
;; Copyright (C) Dr. Ian FitzPatrick
;; Author: Dr. Ian FitzPatrick
;; Keywords: literate programming, reproducible research
;; Package-Requires: ((emacs "26.1"))
;; Homepage: https://orgmode.org
;; Version: 0.01
;;; License:
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; process xml documents with xslt from org babel
;;
;;; Code:
(require 'ob)
(require 'ob-ref)
(require 'ob-comint)
(require 'ob-eval)
(require 's)
;; possibly require modes required for your language
(define-derived-mode xslt-mode nxml-mode "xslt"
"Major mode for editing xslt templates.")
(defcustom ob-xslt-oxygen-project-path "~/Projects/github.wdf.sap.corp/I074455/ems-cpi-xslt"
"Oxygen XML project path which will be used in debug."
:group 'org-babel
:version "24.3"
:type 'string)
(defcustom ob-xslt-command "saxon"
"Name of xslt engine"
:group 'org-babel
:version "24.3"
:type 'string)
(defcustom ob-xslt-debug-oxygen-param-template
"<transformationParameter>
<field name=\"paramDescription\">
<paramDescriptor>
<field name=\"localName\">
<String>${field_name}</String>
</field>
<field name=\"prefix\"><null/></field>
<field name=\"namespace\"><null/></field>
</paramDescriptor>
</field>
<field name=\"value\">
<String>${field_value}</String>
</field>
<field name=\"hasXPathValue\">
<Boolean>false</Boolean>
</field>
<field name=\"isStatic\">
<Boolean>false</Boolean>
</field>
</transformationParameter>"
"Template for oxygen parameter.")
(defcustom ob-xslt-debug-oxygen-project-template
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<project>
<meta>
<filters directoryPatterns=\"\" filePatterns=\"\QOxygen.xpr\E\" positiveFilePatterns=\"\" showHiddenFiles=\"false\"/>
<options>
<serialized xml:space=\"preserve\">
<serializableOrderedMap>
<entry>
<String>enable.project.master.files.support</String>
<Boolean>true</Boolean>
</entry>
<entry>
<String>scenario.associations</String>
<scenarioAssociation-array>
<scenarioAssociation>
<field name=\"url\">
<String>${xslt-file-name}.xsl</String>
</field>
<field name=\"scenarioIds\">
<list>
<String>${xslt-file-name}</String>
</list>
</field>
<field name=\"scenarioTypes\">
<list>
<String>XSL</String>
</list>
</field>
<field name=\"scenarioStorageLocations\">
<list>
<Byte>2</Byte>
</list>
</field>
</scenarioAssociation>
</scenarioAssociation-array>
</entry>
<entry>
<String>scenarios</String>
<scenario-array>
<scenario>
<field name=\"advancedOptionsMap\">
<null/>
</field>
<field name=\"name\">
<String>${xslt-file-name}</String>
</field>
<field name=\"baseURL\">
<String/>
</field>
<field name=\"footerURL\">
<String/>
</field>
<field name=\"fOPMethod\">
<String>pdf</String>
</field>
<field name=\"fOProcessorName\">
<String>Apache FOP</String>
</field>
<field name=\"headerURL\">
<String/>
</field>
<field name=\"inputXSLURL\">
<String>${xslt-file-path}</String>
</field>
<field name=\"inputXMLURL\">
<String>${xml-file-path}</String>
</field>
<field name=\"defaultScenario\">
<Boolean>false</Boolean>
</field>
<field name=\"isFOPPerforming\">
<Boolean>false</Boolean>
</field>
<field name=\"type\">
<String>XSL</String>
</field>
<field name=\"saveAs\">
<Boolean>true</Boolean>
</field>
<field name=\"openInBrowser\">
<Boolean>false</Boolean>
</field>
<field name=\"outputResource\">
<null/>
</field>
<field name=\"openOtherLocationInBrowser\">
<Boolean>false</Boolean>
</field>
<field name=\"locationToOpenInBrowserURL\">
<null/>
</field>
<field name=\"openInEditor\">
<Boolean>false</Boolean>
</field>
<field name=\"showInHTMLPane\">
<Boolean>false</Boolean>
</field>
<field name=\"showInXMLPane\">
<Boolean>true</Boolean>
</field>
<field name=\"showInSVGPane\">
<Boolean>false</Boolean>
</field>
<field name=\"showInResultSetPane\">
<Boolean>false</Boolean>
</field>
<field name=\"useXSLTInput\">
<Boolean>true</Boolean>
</field>
<field name=\"xsltParams\">
<list>
${param-str}
</list>
</field>
<field name=\"cascadingStylesheets\">
<String-array/>
</field>
<field name=\"xslTransformer\">
<String>Saxon-EE</String>
</field>
<field name=\"extensionURLs\">
<String-array>
<String>${oxygen-extension-path}</String>
</String-array>
</field>
</scenario>
</scenario-array>
</entry>
</serializableOrderedMap>
</serialized>
</options>
</meta>
<projectTree name=\"Oxygen.xpr\">
<folder masterFiles=\"true\" name=\"Main Files\">
<file name=\"${xslt-file-name}.xsl\"/>
</folder>
<folder path=\"${oxygen-project-path}\"/>
</projectTree>
</project>"
"Oxygen project template used for debugging in Oxygen XML Developer.")
(defcustom ob-xslt-debug-oxygen-extension-path (expand-file-name
(concat doom-private-dir "bin/SaxonExtension.jar"))
"Oxygen XML developer - Extension path.")
;; optionally define a file extension for this language
(add-to-list 'org-babel-tangle-lang-exts '("xslt" . "xslt"))
(defun org-babel-execute:xslt (body params)
"Execute a block of xslt code with org-babel.
This function is called by `org-babel-execute-src-block'"
(let*
((processed-params (org-babel-process-params params))
(tangle-file (cdr (assq :tangle processed-params)))
(debug-enabled (cdr (assq :debug processed-params))))
(ob-xslt-eval body params tangle-file debug-enabled)))
(defun ob-xslt-eval (body params tangle-file debug-enabled)
"Run CMD on BODY.
If CMD succeeds then return its results, otherwise display
STDERR with `org-babel-eval-error-notify'."
(let* ((vars (org-babel--get-vars params))
(xml (s-replace-regexp "^#\+.*\n"
""
(cdr (assq 'input vars)))))
(if debug-enabled
(let ((oxygen-xml-file (expand-file-name (concat ob-xslt-oxygen-project-path
"/testdata.xml")))
(oxygen-project-file (expand-file-name (concat ob-xslt-oxygen-project-path
"/debug.xpr"))))
(with-temp-file oxygen-xml-file
(insert xml))
(with-temp-file oxygen-project-file
(insert
(s-format ob-xslt-debug-oxygen-project-template 'aget
(list (cons "xslt-file-name" (file-name-base tangle-file))
(cons "xslt-file-path" (expand-file-name tangle-file))
(cons "xml-file-path" oxygen-xml-file)
(cons "oxygen-extension-path" ob-xslt-debug-oxygen-extension-path)
(cons "oxygen-project-path" (expand-file-name ob-xslt-oxygen-project-path))
(cons "param-str"
(mapconcat
(lambda (param)
(when (and (equal (car param) :var)
(not (equal (car (cdr param) ) 'input)))
(s-format ob-xslt-debug-oxygen-param-template
'aget
(list (cons "field_name" (symbol-name (car (cdr param))))
(cons "field_value" (cdr (cdr param)))))))
(org-babel-process-params params) ""))))))
(++async-shell-command
(format "open %s" (shell-quote-argument oxygen-project-file))))
(let ((xml-file (org-babel-temp-file "ob-xslt-xml-"))
(xsl-file (org-babel-temp-file "ob-xslt-xsl-"))
(param-items '())
exit-code)
(mapcar (lambda (var)
(when (not (eq (car var) 'input))
(add-to-list 'param-items (format "%s=%s" (car var) (cdr var)) t)))
vars)
(with-temp-file xsl-file (insert body))
(with-temp-file xml-file (insert xml))
(add-to-list 'param-items xml-file t)
(add-to-list 'param-items xsl-file t)
;; (with-current-buffer err-buff (erase-buffer))
;; (setq exit-code
;; (shell-command (format "%s %s %s %s" ob-xslt-command param-str xml-file xsl-file) output-file err-buff))
(with-temp-buffer
(setq exit-code (apply #'call-process ob-xslt-command nil t nil (remq "" param-items)))
(if (or (not (numberp exit-code)) (> exit-code 0))
(progn
(org-babel-eval-error-notify exit-code (buffer-string))
(save-excursion
(when (get-buffer org-babel-error-buffer-name)
(with-current-buffer org-babel-error-buffer-name
(unless (derived-mode-p 'compilation-mode)
(compilation-mode))
;; Compilation-mode enforces read-only, but Babel expects the buffer modifiable.
(setq buffer-read-only nil))))
nil)
(buffer-string)))))))
;; This function should be used to assign any variables in params in
;; the context of the session environment.
(defun org-babel-prep-session:xslt (session params)
"Prepare SESSION according to the header arguments specified in PARAMS.")
;; (defun org-babel-xslt-var-to-xslt (var)
;; "Convert an elisp var into a string of xslt source code
;; specifying a var of the same value."
;; (format "%S" var))
;; (defun org-babel-xslt-table-or-string (results)
;; "If the results look like a table, then convert them into an
;; Emacs-lisp table, otherwise return the results as a string.")
;; (defun org-babel-xslt-initiate-session (&optional session)
;; "If there is not a current inferior-process-buffer in SESSION then create.
;; Return the initialized session."
;; (unless (string= session "none")))
(provide 'ob-xslt)
;;; ob-xslt.el ends here