Restructure file organization
This commit is contained in:
Ihor Radchenko
parent
2b96501070
commit
01351f3eab
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@ -715,113 +715,114 @@ If NODE cannot have contents, return CONTENTS."
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(defalias 'org-element-resolve-deferred #'org-element-properties-resolve)
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;;;; AST modification
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;;;; Constructor and copier
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(defalias 'org-element-adopt-elements #'org-element-adopt)
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(defun org-element-adopt (parent &rest children)
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"Append CHILDREN to the contents of PARENT.
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PARENT is a syntax node. CHILDREN can be elements, objects, or
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(defun org-element-create (type &optional props &rest children)
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"Create a new syntax node of TYPE.
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Optional argument PROPS, when non-nil, is a plist defining the
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properties of the node. CHILDREN can be elements, objects or
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strings.
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If PARENT is nil, create a new anonymous node containing CHILDREN.
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When CHILDREN is a single anonymous node, use its contents as children
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nodes. This way,
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(org-element-create \\='section nil (org-element-contents node))
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will yield expected results with contents of another node adopted into
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a newly created one.
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The function takes care of setting `:parent' property for each child.
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Return the modified PARENT."
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(declare (indent 1))
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(if (not children) parent
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;; Link every child to PARENT. If PARENT is nil, it is a secondary
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;; string: parent is the list itself.
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(dolist (child children)
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(when child
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(org-element-put-property child :parent (or parent children))))
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;; Add CHILDREN at the end of PARENT contents.
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(when parent
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(apply #'org-element-set-contents
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parent
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(nconc (org-element-contents parent) children)))
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;; Return modified PARENT element.
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(or parent children)))
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When TYPE is `plain-text', CHILDREN must contain a single node -
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string. Alternatively, TYPE can be a string. When TYPE is nil or
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`anonymous', PROPS must be nil."
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(cl-assert (plistp props))
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;; Assign parray.
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(when (and props (not (stringp type)) (not (eq type 'plain-text)))
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(let ((node (list 'dummy props)))
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(org-element--put-parray node)
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(setq props (nth 1 node))
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;; Remove standard properties from PROPS plist by side effect.
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(let ((ptail props))
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(while ptail
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(if (not (and (keywordp (car ptail))
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(org-element--property-idx (car ptail))))
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(setq ptail (cddr ptail))
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(if (null (cddr ptail)) ; last property
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(setq props (nbutlast props 2)
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ptail nil)
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(setcar ptail (nth 2 ptail))
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(setcdr ptail (seq-drop ptail 3))))))))
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(pcase type
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((or `nil `anonymous)
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(cl-assert (null props))
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(apply #'org-element-adopt nil children))
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(`plain-text
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(cl-assert (length= children 1))
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(org-add-props (car children) props))
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((pred stringp)
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(if props (org-add-props type props) type))
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(_
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(if (and (= 1 (length children))
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(org-element-type-p (car children) 'anonymous))
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(apply #'org-element-adopt (list type props) (car children))
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(apply #'org-element-adopt (list type props) children)))))
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(defalias 'org-element-extract-element #'org-element-extract)
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(defun org-element-extract (node)
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"Extract NODE from parse tree.
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Remove NODE from the parse tree by side-effect, and return it
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with its `:parent' property stripped out."
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(let ((parent (org-element-parent node))
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(secondary (org-element-secondary-p node)))
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(if secondary
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(org-element-put-property
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parent secondary
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(delq node (org-element-property secondary parent)))
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(apply #'org-element-set-contents
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parent
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(delq node (org-element-contents parent))))
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;; Return NODE with its :parent removed.
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(org-element-put-property node :parent nil)))
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(defun org-element-copy (datum &optional keep-contents)
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"Return a copy of DATUM.
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DATUM is an element, object, string or nil. `:parent' property
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is cleared and contents are removed in the process.
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Secondary objects are also copied and their `:parent' is re-assigned.
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(defun org-element-insert-before (node location)
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"Insert NODE before LOCATION in parse tree.
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LOCATION is an element, object or string within the parse tree.
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Parse tree is modified by side effect."
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(let* ((parent (org-element-parent location))
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(property (org-element-secondary-p location))
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(siblings (if property (org-element-property property parent)
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(org-element-contents parent)))
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;; Special case: LOCATION is the first element of an
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;; independent secondary string (e.g. :title property). Add
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;; NODE in-place.
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(specialp (and (not property)
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(eq siblings parent)
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(eq (car parent) location))))
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;; Install NODE at the appropriate LOCATION within SIBLINGS.
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(cond (specialp)
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((or (null siblings) (eq (car siblings) location))
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(push node siblings))
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((null location) (nconc siblings (list node)))
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(t
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(let ((index (cl-position location siblings)))
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(unless index (error "No location found to insert node"))
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(push node (cdr (nthcdr (1- index) siblings))))))
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;; Store SIBLINGS at appropriate place in parse tree.
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(cond
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(specialp (setcdr parent (copy-sequence parent)) (setcar parent node))
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(property (org-element-put-property parent property siblings))
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(t (apply #'org-element-set-contents parent siblings)))
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;; Set appropriate :parent property.
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(org-element-put-property node :parent parent)))
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When optional argument KEEP-CONTENTS is non-nil, do not remove the
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contents. Instead, copy the children recursively, updating their
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`:parent' property.
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(defalias 'org-element-set-element #'org-element-set)
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(defun org-element-set (old new &optional keep-props)
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"Replace element or object OLD with element or object NEW.
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When KEEP-PROPS is non-nil, keep OLD values of the listed property
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names.
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As a special case, `anonymous' nodes do not have their contents
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removed. The contained children are copied recursively, updating
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their `:parent' property to the copied `anonymous' node.
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Return the modified element.
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When DATUM is `plain-text', all the properties are removed."
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(pcase (org-element-type datum t)
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((guard (null datum)) nil)
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(`plain-text (substring-no-properties datum))
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(`nil (error "Not an Org syntax node: %S" datum))
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(`anonymous
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(let* ((node-copy (copy-sequence datum))
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(tail node-copy))
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(while tail
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(setcar tail (org-element-copy (car tail) t))
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(org-element-put-property (car tail) :parent node-copy)
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(setq tail (cdr tail)))
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node-copy))
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(_
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(let ((node-copy (copy-sequence datum)))
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;; Copy `:standard-properties'
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(when-let ((parray (org-element-property-1 :standard-properties node-copy)))
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(org-element-put-property node-copy :standard-properties (copy-sequence parray)))
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;; Clear `:parent'.
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(org-element-put-property node-copy :parent nil)
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;; We cannot simply return the copied property list. When
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;; DATUM is i.e. a headline, it's property list `:title' can
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;; contain parsed objects. The objects will contain
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;; `:parent' property set to the DATUM itself. When copied,
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;; these inner `:parent' property values will contain
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;; incorrect object decoupled from DATUM. Changes to the
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;; DATUM copy will no longer be reflected in the `:parent'
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;; properties. So, we need to reassign inner `:parent'
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;; properties to the DATUM copy explicitly.
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(dolist (secondary-prop (org-element-property :secondary node-copy))
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(when-let ((secondary-value (org-element-property secondary-prop node-copy)))
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(setq secondary-value (org-element-copy secondary-value t))
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(if (org-element-type secondary-value)
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(org-element-put-property secondary-value :parent node-copy)
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(dolist (el secondary-value)
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(org-element-put-property el :parent node-copy)))
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(org-element-put-property node-copy secondary-prop secondary-value)))
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(when keep-contents
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(let ((contents (org-element-contents node-copy)))
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(while contents
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(setcar contents (org-element-copy (car contents) t))
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(setq contents (cdr contents)))))
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node-copy))))
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The function takes care of setting `:parent' property for NEW."
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;; Ensure OLD and NEW have the same parent.
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(org-element-put-property new :parent (org-element-parent old))
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;; Handle KEEP-PROPS.
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(dolist (p keep-props)
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(org-element-put-property new p (org-element-property p old)))
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(let ((old-type (org-element-type old))
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(new-type (org-element-type new)))
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(if (or (eq old-type 'plain-text)
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(eq new-type 'plain-text))
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;; We cannot replace OLD with NEW since strings are not mutable.
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;; We take the long path.
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(progn (org-element-insert-before new old)
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(org-element-extract old))
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;; Since OLD is going to be changed into NEW by side-effect, first
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;; make sure that every element or object within NEW has OLD as
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;; parent.
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(dolist (blob (org-element-contents new))
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(org-element-put-property blob :parent old))
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;; Both OLD and NEW are lists.
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(setcar old (car new))
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(setcdr old (cdr new))))
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old)
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;;;; AST queries
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(defun org-element-ast-map
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( data types fun
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@ -932,111 +933,6 @@ Nil values returned from FUN do not appear in the results."
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;; Return value in a proper order.
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(nreverse --acc))))))
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(defun org-element-create (type &optional props &rest children)
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"Create a new syntax node of TYPE.
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Optional argument PROPS, when non-nil, is a plist defining the
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properties of the node. CHILDREN can be elements, objects or
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strings.
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When CHILDREN is a single anonymous node, use its contents as children
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nodes. This way,
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(org-element-create \\='section nil (org-element-contents node))
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will yield expected results with contents of another node adopted into
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a newly created one.
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When TYPE is `plain-text', CHILDREN must contain a single node -
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string. Alternatively, TYPE can be a string. When TYPE is nil or
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`anonymous', PROPS must be nil."
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(cl-assert (plistp props))
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;; Assign parray.
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(when (and props (not (stringp type)) (not (eq type 'plain-text)))
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(let ((node (list 'dummy props)))
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(org-element--put-parray node)
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(setq props (nth 1 node))
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;; Remove standard properties from PROPS plist by side effect.
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(let ((ptail props))
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(while ptail
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(if (not (and (keywordp (car ptail))
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(org-element--property-idx (car ptail))))
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(setq ptail (cddr ptail))
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(if (null (cddr ptail)) ; last property
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(setq props (nbutlast props 2)
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ptail nil)
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(setcar ptail (nth 2 ptail))
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(setcdr ptail (seq-drop ptail 3))))))))
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(pcase type
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((or `nil `anonymous)
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(cl-assert (null props))
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(apply #'org-element-adopt nil children))
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(`plain-text
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(cl-assert (length= children 1))
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(org-add-props (car children) props))
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((pred stringp)
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(if props (org-add-props type props) type))
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(_
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(if (and (= 1 (length children))
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(org-element-type-p (car children) 'anonymous))
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(apply #'org-element-adopt (list type props) (car children))
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(apply #'org-element-adopt (list type props) children)))))
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(defun org-element-copy (datum &optional keep-contents)
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"Return a copy of DATUM.
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DATUM is an element, object, string or nil. `:parent' property
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is cleared and contents are removed in the process.
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Secondary objects are also copied and their `:parent' is re-assigned.
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When optional argument KEEP-CONTENTS is non-nil, do not remove the
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contents. Instead, copy the children recursively, updating their
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`:parent' property.
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As a special case, `anonymous' nodes do not have their contents
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removed. The contained children are copied recursively, updating
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their `:parent' property to the copied `anonymous' node.
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When DATUM is `plain-text', all the properties are removed."
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(pcase (org-element-type datum t)
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((guard (null datum)) nil)
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(`plain-text (substring-no-properties datum))
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(`nil (error "Not an Org syntax node: %S" datum))
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(`anonymous
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(let* ((node-copy (copy-sequence datum))
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(tail node-copy))
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(while tail
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(setcar tail (org-element-copy (car tail) t))
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(org-element-put-property (car tail) :parent node-copy)
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(setq tail (cdr tail)))
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node-copy))
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(_
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(let ((node-copy (copy-sequence datum)))
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;; Copy `:standard-properties'
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(when-let ((parray (org-element-property-1 :standard-properties node-copy)))
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(org-element-put-property node-copy :standard-properties (copy-sequence parray)))
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;; Clear `:parent'.
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(org-element-put-property node-copy :parent nil)
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;; We cannot simply return the copied property list. When
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;; DATUM is i.e. a headline, it's property list `:title' can
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;; contain parsed objects. The objects will contain
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;; `:parent' property set to the DATUM itself. When copied,
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;; these inner `:parent' property values will contain
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;; incorrect object decoupled from DATUM. Changes to the
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;; DATUM copy will no longer be reflected in the `:parent'
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;; properties. So, we need to reassign inner `:parent'
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;; properties to the DATUM copy explicitly.
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(dolist (secondary-prop (org-element-property :secondary node-copy))
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(when-let ((secondary-value (org-element-property secondary-prop node-copy)))
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(setq secondary-value (org-element-copy secondary-value t))
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(if (org-element-type secondary-value)
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(org-element-put-property secondary-value :parent node-copy)
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(dolist (el secondary-value)
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(org-element-put-property el :parent node-copy)))
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(org-element-put-property node-copy secondary-prop secondary-value)))
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(when keep-contents
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(let ((contents (org-element-contents node-copy)))
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(while contents
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(setcar contents (org-element-copy (car contents) t))
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(setq contents (cdr contents)))))
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node-copy))))
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(defun org-element-lineage (datum &optional types with-self)
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"List all ancestors of a given element or object.
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@ -1137,5 +1033,113 @@ skipped."
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(setq node (org-element-parent node)))
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acc)))
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;;;; AST modification
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(defalias 'org-element-adopt-elements #'org-element-adopt)
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(defun org-element-adopt (parent &rest children)
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"Append CHILDREN to the contents of PARENT.
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PARENT is a syntax node. CHILDREN can be elements, objects, or
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strings.
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If PARENT is nil, create a new anonymous node containing CHILDREN.
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The function takes care of setting `:parent' property for each child.
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Return the modified PARENT."
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(declare (indent 1))
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(if (not children) parent
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;; Link every child to PARENT. If PARENT is nil, it is a secondary
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;; string: parent is the list itself.
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(dolist (child children)
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(when child
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(org-element-put-property child :parent (or parent children))))
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;; Add CHILDREN at the end of PARENT contents.
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(when parent
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(apply #'org-element-set-contents
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parent
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(nconc (org-element-contents parent) children)))
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;; Return modified PARENT element.
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(or parent children)))
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(defalias 'org-element-extract-element #'org-element-extract)
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(defun org-element-extract (node)
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"Extract NODE from parse tree.
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Remove NODE from the parse tree by side-effect, and return it
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with its `:parent' property stripped out."
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(let ((parent (org-element-parent node))
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(secondary (org-element-secondary-p node)))
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(if secondary
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(org-element-put-property
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parent secondary
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(delq node (org-element-property secondary parent)))
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(apply #'org-element-set-contents
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parent
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(delq node (org-element-contents parent))))
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;; Return NODE with its :parent removed.
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(org-element-put-property node :parent nil)))
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(defun org-element-insert-before (node location)
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"Insert NODE before LOCATION in parse tree.
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LOCATION is an element, object or string within the parse tree.
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Parse tree is modified by side effect."
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(let* ((parent (org-element-parent location))
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(property (org-element-secondary-p location))
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(siblings (if property (org-element-property property parent)
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(org-element-contents parent)))
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;; Special case: LOCATION is the first element of an
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;; independent secondary string (e.g. :title property). Add
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;; NODE in-place.
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(specialp (and (not property)
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(eq siblings parent)
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(eq (car parent) location))))
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;; Install NODE at the appropriate LOCATION within SIBLINGS.
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(cond (specialp)
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((or (null siblings) (eq (car siblings) location))
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(push node siblings))
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((null location) (nconc siblings (list node)))
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(t
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(let ((index (cl-position location siblings)))
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(unless index (error "No location found to insert node"))
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(push node (cdr (nthcdr (1- index) siblings))))))
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;; Store SIBLINGS at appropriate place in parse tree.
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(cond
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(specialp (setcdr parent (copy-sequence parent)) (setcar parent node))
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(property (org-element-put-property parent property siblings))
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(t (apply #'org-element-set-contents parent siblings)))
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;; Set appropriate :parent property.
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(org-element-put-property node :parent parent)))
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(defalias 'org-element-set-element #'org-element-set)
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(defun org-element-set (old new &optional keep-props)
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"Replace element or object OLD with element or object NEW.
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When KEEP-PROPS is non-nil, keep OLD values of the listed property
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names.
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Return the modified element.
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The function takes care of setting `:parent' property for NEW."
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;; Ensure OLD and NEW have the same parent.
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(org-element-put-property new :parent (org-element-property :parent old))
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;; Handle KEEP-PROPS.
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(dolist (p keep-props)
|
||||
(org-element-put-property new p (org-element-property p old)))
|
||||
(let ((old-type (org-element-type old))
|
||||
(new-type (org-element-type new)))
|
||||
(if (or (eq old-type 'plain-text)
|
||||
(eq new-type 'plain-text))
|
||||
;; We cannot replace OLD with NEW since strings are not mutable.
|
||||
;; We take the long path.
|
||||
(progn (org-element-insert-before new old)
|
||||
(org-element-extract old))
|
||||
;; Since OLD is going to be changed into NEW by side-effect, first
|
||||
;; make sure that every element or object within NEW has OLD as
|
||||
;; parent.
|
||||
(dolist (blob (org-element-contents new))
|
||||
(org-element-put-property blob :parent old))
|
||||
;; Both OLD and NEW are lists.
|
||||
(setcar old (car new))
|
||||
(setcdr old (cdr new))))
|
||||
old)
|
||||
|
||||
(provide 'org-element-ast)
|
||||
;;; org-element-ast.el ends here
|
||||
|
|
|
|||
Loading…
Reference in New Issue