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htmlbase.mata
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// Switch to Mata interpreter/compiler
mata:
// Drops class object if it already exists
// mata drop base()
// Definition of HTML Tag base Mata Class
// Specifies the base URL/target for all relative URLs in a document// Information retrieved from http://www.w3schools.com/tags/tag_base.asp
class base extends htmlglobal {
// Define private member variables
private:
// Static/final variables
static string scalar opens, opene, close
// String scalar attributes
string scalar htmlhref, htmltarget
// 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 base scalar setClassArgs(), setHref(), setTarget()
// Getter methods
string scalar getOpens(), getOpene(), getClose(), print(), getClassArgs(), getHref(), getTarget()
} // End of class declaration
// Class constructor method declaration
void base::new() {
// Defines the start of the opening tag for the class
this.opens = "<base"
// Defines the end of the opening tag for the class
this.opene = ">"
// Defines the closing tag for the class
this.close = "</base>"
} // End of class constructor method definition
// Setter method for class arguments (appear between HTML tags)
class base scalar base::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
// Specifies the base URL for all relative URLs in the page
class base scalar base::setHref(| string scalar methodarg) {
// Set the attribute href for this class
this.htmlhref = `" href=""' + methodarg + `"""'
// Return a copy of the object
return(this)
} // End of Method href declaration for class base
// Specifies the default target for all hyperlinks and forms in the page
class base scalar base::setTarget(| string scalar methodarg) {
// Validate argument
if (methodarg == "_blank" | methodarg == "_parent" | methodarg == "_self" | methodarg == "_top" | methodarg == "framename") {
// Set the attribute value
this.htmltarget = `" target=""' + methodarg + `"""'
} // End IF Block for validated argument value
// Return a copy of the object
return(this)
} // End of Method target declaration for class base
// Getter method for opening bracket
string scalar base::getOpens() {
// Returns the opening bracket/tag w/o > character to allow attributes
return(this.opens)
} // End of getter method for opens member of class base
// Getter method for opening bracket closing character
string scalar base::getOpene() {
// Returns the closing character for the opening bracket
return(this.opene)
} // End of getter method for opene member of class base
// Getter method for closing bracket
string scalar base::getClose() {
// Returns the closing bracket/tag
return(this.close)
} // End of getter method for close member of class base
// Getter method for class arguments
string scalar base::getClassArgs() {
// Returns the class arguments that appear between the HTML tags
return(this.classargs)
} // End of getter method for class arguments member of class base
// Getter method for href member variable
string scalar base::getHref() {
// Returns the href variable
return(this.htmlhref)
} // End of getter method for href member of class base
// Getter method for target member variable
string scalar base::getTarget() {
// Returns the target variable
return(this.htmltarget)
} // End of getter method for target member of class base
// Get the HTML tag w/attributes and arguments
string scalar base::print() {
// Create local variables to piece together return string
string scalar open, args, close
// Create opening string
open = getOpens() + getHref() + getTarget() + 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 base
// End of Mata session
end