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htmlcol.mata
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htmlcol.mata
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// Switch to Mata interpreter/compiler
mata:
// Drops class object if it already exists
// mata drop col()
// Definition of HTML Tag col Mata Class
// Specifies column properties for each column within a <colgroup> element// Information retrieved from http://www.w3schools.com/tags/tag_col.asp
class col extends htmlglobal {
// Define private member variables
private:
// Static/final variables
static string scalar opens, opene, close
// String scalar attributes
string scalar htmlalign, htmlchar, htmlcharoff, htmlspan, htmlvalign, htmlwidth
// Make class args non-static to prevent assignment of class args to all instances of class
string scalar classargs
// Define public members/methods
public:
// Class constructor method
void new()
// Setter methods
class col scalar setClassArgs(), setAlign(), setChar(), setCharoff(), setSpan(), setValign(), setWidth()
// Getter methods
string scalar getOpens(), getOpene(), getClose(), print(), getClassArgs(), getAlign(), getChar(), getCharoff(), getSpan(), getValign(), getWidth()
} // End of class declaration
// Class constructor method declaration
void col::new() {
// Defines the start of the opening tag for the class
this.opens = "<col"
// Defines the end of the opening tag for the class
this.opene = ">"
// Defines the closing tag for the class
this.close = "</col>"
} // End of class constructor method definition
// Setter method for class arguments (appear between HTML tags)
class col scalar col::setClassArgs(| string scalar classarguments) {
// Defines arguments that appear between HTML tags
this.classargs = classarguments
// Return a copy of the object
return(this)
} // End of setter method for class arguments
// Not supported in HTML5.Specifies the alignment of the content related to a <col> element
class col scalar col::setAlign(| string scalar methodarg) {
// Validate argument
if (methodarg == "left" | methodarg == "right" | methodarg == "center" | methodarg == "justify" | methodarg == "char") {
// Set the attribute value
this.htmlalign = `" align=""' + methodarg + `"""'
} // End IF Block for validated argument value
// Return a copy of the object
return(this)
} // End of Method align declaration for class col
// Not supported in HTML5.Specifies the alignment of the content related to a <col> element to a character
class col scalar col::setChar(| string scalar methodarg) {
// Set the attribute char for this class
this.htmlchar = `" char=""' + methodarg + `"""'
// Return a copy of the object
return(this)
} // End of Method char declaration for class col
// Not supported in HTML5.Specifies the number of characters the content will be aligned from the character specified by the char attribute
class col scalar col::setCharoff(| string scalar methodarg) {
// Set the attribute charoff for this class
this.htmlcharoff = `" charoff=""' + methodarg + `"""'
// Return a copy of the object
return(this)
} // End of Method charoff declaration for class col
// Specifies the number of columns a <col> element should span
class col scalar col::setSpan(| string scalar methodarg) {
// Set the attribute span for this class
this.htmlspan = `" span=""' + methodarg + `"""'
// Return a copy of the object
return(this)
} // End of Method span declaration for class col
// Not supported in HTML5.Specifies the vertical alignment of the content related to a <col> element
class col scalar col::setValign(| string scalar methodarg) {
// Validate argument
if (methodarg == "top" | methodarg == "middle" | methodarg == "bottom" | methodarg == "baseline") {
// Set the attribute value
this.htmlvalign = `" valign=""' + methodarg + `"""'
} // End IF Block for validated argument value
// Return a copy of the object
return(this)
} // End of Method valign declaration for class col
// Not supported in HTML5.Specifies the width of a <col> element
class col scalar col::setWidth(| string scalar methodarg) {
// Validate argument
if (methodarg == "%" | methodarg == "pixels" | methodarg == "relative_length") {
// Set the attribute value
this.htmlwidth = `" width=""' + methodarg + `"""'
} // End IF Block for validated argument value
// Return a copy of the object
return(this)
} // End of Method width declaration for class col
// Getter method for opening bracket
string scalar col::getOpens() {
// Returns the opening bracket/tag w/o > character to allow attributes
return(this.opens)
} // End of getter method for opens member of class col
// Getter method for opening bracket closing character
string scalar col::getOpene() {
// Returns the closing character for the opening bracket
return(this.opene)
} // End of getter method for opene member of class col
// Getter method for closing bracket
string scalar col::getClose() {
// Returns the closing bracket/tag
return(this.close)
} // End of getter method for close member of class col
// Getter method for class arguments
string scalar col::getClassArgs() {
// Returns the class arguments that appear between the HTML tags
return(this.classargs)
} // End of getter method for class arguments member of class col
// Getter method for align member variable
string scalar col::getAlign() {
// Returns the align variable
return(this.htmlalign)
} // End of getter method for align member of class col
// Getter method for char member variable
string scalar col::getChar() {
// Returns the char variable
return(this.htmlchar)
} // End of getter method for char member of class col
// Getter method for charoff member variable
string scalar col::getCharoff() {
// Returns the charoff variable
return(this.htmlcharoff)
} // End of getter method for charoff member of class col
// Getter method for span member variable
string scalar col::getSpan() {
// Returns the span variable
return(this.htmlspan)
} // End of getter method for span member of class col
// Getter method for valign member variable
string scalar col::getValign() {
// Returns the valign variable
return(this.htmlvalign)
} // End of getter method for valign member of class col
// Getter method for width member variable
string scalar col::getWidth() {
// Returns the width variable
return(this.htmlwidth)
} // End of getter method for width member of class col
// Get the HTML tag w/attributes and arguments
string scalar col::print() {
// Create local variables to piece together return string
string scalar open, args, close
// Create opening string
open = getOpens() + getAlign() + getChar() + getCharoff() + getSpan() + getValign() + getWidth() + globalAttrs() + getOpene()
// Get class arguments
args = getClassArgs()
// Get closing tag
close = getClose()
// Return the complete HTML string
return(char((10)) + subinstr(open, " >", ">") + args + close + char((10)))
} // End of print method for class col
// End of Mata session
end