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Pavel Trnka committed Mar 10, 2019
1 parent e64bbf6 commit 575e700
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186 changes: 186 additions & 0 deletions +Snippet/+Element/Array.m
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classdef Array < Snippet.Element
% ARRAY represents an array of of snippet elements like static text,
% tabstop, regular expression and array.

%#ok<*AGROW>

properties ( Access = protected )
array % cell array of Spippet.Element objects
end

methods

function obj = Array(array)
% ARRAY constructs snippet element array.
%
% Syntax:
% obj = ARRAY(array)
%
% Inputs:
% array ... a cell array of Snippet.Element objects
%
if nargin==0 || isempty(array)
obj.array = {};
else
if iscell(array)
for i = 1 : length(array)
if ~isa(array{i},'Snippet.Element')
error('The input argument must be a cell array of Snippet.Element objects.');
end
end
obj.array = array;
else
error('The input argument must be a cell array of Snippet.Element objects.');
end
end
end



function str = toChar(obj)
if isempty(obj.array)
str = '';
else
str = strjoin( ...
cellfun(@(c)c.toChar(), obj.array, 'UniformOutput', false), ...
'' );
end
end



function value = getPlaceholder(obj,number)
value = [];
values = cellfun( ...
@(c)getPlaceholder(c,number), ...
obj.array, 'UniformOutput', false );
for i = 1 : length(values)
if ~isempty(values{i})
if isempty(value)
value = values{i};
elseif ~strcmp(value,values{i})
%warning(['Tabstop number ' num2str(number) ' has multiple conflicting placeholders "' value '" and "' values{i} '".']);
% --- warning disabled because it might be falsely triggered by
% --- more complex snippets that combine nested regular
% --- expressions.
end
end
end
end



function setPlaceholder(obj,number,value)
cellfun( ...
@(c)setPlaceholder(c,number,value), ...
obj.array );
end



function placeholderObject = getPlaceholderObject(obj,number)
placeholderObject = [];
objects = cellfun( ...
@(c)getPlaceholderObject(c,number), ...
obj.array, 'UniformOutput', false );
for i = 1 : length(objects)
if ~isempty(objects{i})
if isempty(placeholderObject)
placeholderObject = objects{i};
elseif ~isequal(placeholderObject,objects{i})
warning(['Tabstop number ' num2str(number) ' has multiple conflicting placeholder definitions.']);
end
end
end
end



function setPlaceholderObject(obj,number,placeholderObject)
cellfun( ...
@(c)setPlaceholderObject(c,number,placeholderObject), ...
obj.array );
end



function [iStart,iEnd] = getPlaceholderPosition(obj,number)
iStart = [];
iEnd = [];
iend = 0;
for i = 1 : length(obj.array)
element = obj.array{i};
[iStart_,iEnd_] = getPlaceholderPosition(element,number);
if ~isempty(iStart_) && ~isempty(iEnd_)
if any(iStart_<1) || any( iEnd_ > length(element.toChar()) )
error('Placeholder indexes out of range.');
end
iStart = [iStart iend+iStart_];
iEnd = [iEnd iend+iEnd_];
end
iend = iend + length(element.toChar());
end
end



function numbers = getTabstopNumbers(obj)
numbers = [];
for i = 1 : length(obj.array)
number = obj.array{i}.getTabstopNumbers();
if ~isempty(number)
numbers = [ numbers number ];
end
end
numbers = sort(unique(numbers));
end



function tabstopObject = getTabstopObject(obj,number)
tabstopObject = [];
tabstopObjects = cellfun( ...
@(c)getTabstopObject(c,number), ...
obj.array, 'UniformOutput', false );
for i = 1 : length(tabstopObjects)
if ~isempty(tabstopObjects{i})
tabstopObject = tabstopObjects{i};
return
end
end
end



function isMirrored = isMirrored(obj,number)
isMirrored = false;
numberMatches = false(size(obj.array));
for i = 1 : length(obj.array)
isMirrored = ...
isMirrored || ...
obj.array{i}.isMirrored(number);
numberMatches(i) = ...
ismember(number,obj.array{i}.getTabstopNumbers());
end
isMirrored = isMirrored || (sum(numberMatches)>=2);
end

end


methods(Access = protected)
function cp = copyElement(obj)
cp = Snippet.Element.Array;
cp.array = {};
for i = 1 : length(obj.array)
if isa(obj.array{i},'Snippet.Element')
cp.array{i} = copy(obj.array{i});
else
cp.array{i} = obj.array{i};
end
end
end
end


end
79 changes: 79 additions & 0 deletions +Snippet/+Element/Regexp.m
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classdef Regexp < Snippet.Element.Tabstop
% REGEXP represents a snippet tabstop element with a regular replacement
% epxression to mirror other tabstops.

%#ok<*INUSD>

properties ( Access = private )
expression % regexprep arument
format % regexprep arument
options % regexprep arument
end

methods

function obj = Regexp(number,expression,format,options)
% TABSTOP constructs snippet tabstop element.
%
% Syntax:
% obj = TABSTOP(number,value)
%
% Inputs:
% number ... tabstop number (scalar)
% <TextMate placeholder transformation arguments>
%
obj.number = number;
obj.value = '';
[obj.expression,obj.format,obj.options] = ...
textMate2regexprep(expression,format,options);
end



function str = toChar(obj)
str = [email protected](obj);
% ---
if ~isempty(obj.expression)
% --- Replace using regular expression
str = regexprep( ...
str, ...
obj.expression, ...
obj.format, ...
obj.options{:});
% --- Questionable fix: char([13 10]) -> char(10)
str = strrep(str,char([13 10]),char(10)); %#ok<CHARTEN>
end
end



function value = getPlaceholder(obj,number)
% no result from the regular expression element
value = [];
end



function placeholderObject = getPlaceholderObject(obj,number)
% no result from the regular expression element
placeholderObject = [];
end



function [iStart,iEnd] = getPlaceholderPosition(obj,number)
% no result from the regular expression element
iStart = [];
iEnd = [];
end



function tabstopObject = getTabstopObject(obj,number)
% no result from the regular expression element
tabstopObject = [];
end

end

end
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