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htmlmeta.mata
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htmlmeta.mata
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// Switch to Mata interpreter/compiler
mata:
// Drops class object if it already exists
// mata drop meta()
// Definition of HTML Tag meta Mata Class
// Defines metadata about an HTML document// Information retrieved from http://www.w3schools.com/tags/tag_meta.asp
class meta extends htmlglobal {
// Define private member variables
private:
// Static/final variables
static string scalar opens, opene, close
// String scalar attributes
string scalar htmlcharset, htmlcontent, htmlhttp_equiv, htmlname, htmlscheme
// 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 meta scalar setClassArgs(), setCharset(), setContent(), setHttp_Equiv(), setName(), setScheme()
// Getter methods
string scalar getOpens(), getOpene(), getClose(), print(), getClassArgs(), getCharset(), getContent(), getHttp_Equiv(), getName(), getScheme()
} // End of class declaration
// Class constructor method declaration
void meta::new() {
// Defines the start of the opening tag for the class
this.opens = "<meta"
// Defines the end of the opening tag for the class
this.opene = ">"
// Defines the closing tag for the class
this.close = "</meta>"
} // End of class constructor method definition
// Setter method for class arguments (appear between HTML tags)
class meta scalar meta::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 character encoding for the HTML document
class meta scalar meta::setCharset(| string scalar methodarg) {
// Set the attribute charset for this class
this.htmlcharset = `" charset=""' + methodarg + `"" "'
// Return a copy of the object
return(this)
} // End of Method charset declaration for class meta
// Gives the value associated with the http-equiv or name attribute
class meta scalar meta::setContent(| string scalar methodarg) {
// Set the attribute content for this class
this.htmlcontent = `" content=""' + methodarg + `"" "'
// Return a copy of the object
return(this)
} // End of Method content declaration for class meta
// Provides an HTTP header for the information/value of the content attribute
class meta scalar meta::setHttp_Equiv(| string scalar methodarg) {
// Validate argument
if (methodarg == "content-type" | methodarg == "default-style" | methodarg == "refresh") {
// Set the attribute value
this.htmlhttp_equiv = `" http-equiv=""' + methodarg + `"" "'
} // End IF Block for validated argument value
// Return a copy of the object
return(this)
} // End of Method http_equiv declaration for class meta
// Specifies a name for the metadata
class meta scalar meta::setName(| string scalar methodarg) {
// Set the attribute value
this.htmlname = `" name=""' + methodarg + `"" "'
// Return a copy of the object
return(this)
} // End of Method name declaration for class meta
// Not supported in HTML5.Specifies a scheme to be used to interpret the value of the content attribute
class meta scalar meta::setScheme(| string scalar methodarg) {
// Set the attribute scheme for this class
this.htmlscheme = `" scheme=""' + methodarg + `"" "'
// Return a copy of the object
return(this)
} // End of Method scheme declaration for class meta
// Getter method for opening bracket
string scalar meta::getOpens() {
// Returns the opening bracket/tag w/o > character to allow attributes
return(this.opens)
} // End of getter method for opens member of class meta
// Getter method for opening bracket closing character
string scalar meta::getOpene() {
// Returns the closing character for the opening bracket
return(this.opene)
} // End of getter method for opene member of class meta
// Getter method for closing bracket
string scalar meta::getClose() {
// Returns the closing bracket/tag
return(this.close)
} // End of getter method for close member of class meta
// Getter method for class arguments
string scalar meta::getClassArgs() {
// Returns the class arguments that appear between the HTML tags
return(this.classargs)
} // End of getter method for class arguments member of class meta
// Getter method for charset member variable
string scalar meta::getCharset() {
// Returns the charset variable
return(this.htmlcharset)
} // End of getter method for charset member of class meta
// Getter method for content member variable
string scalar meta::getContent() {
// Returns the content variable
return(this.htmlcontent)
} // End of getter method for content member of class meta
// Getter method for http_equiv member variable
string scalar meta::getHttp_Equiv() {
// Returns the http_equiv variable
return(this.htmlhttp_equiv)
} // End of getter method for http_equiv member of class meta
// Getter method for name member variable
string scalar meta::getName() {
// Returns the name variable
return(this.htmlname)
} // End of getter method for name member of class meta
// Getter method for scheme member variable
string scalar meta::getScheme() {
// Returns the scheme variable
return(this.htmlscheme)
} // End of getter method for scheme member of class meta
// Get the HTML tag w/attributes and arguments
string scalar meta::print() {
// Create local variables to piece together return string
string scalar open
// Create opening string
open = getOpens() + getCharset() + getContent() + getHttp_Equiv() + getName() + getScheme() + globalAttrs() + getOpene()
// Return the complete HTML string
return(char((10)) + subinstr(open, " >", ">") + char((10)))
} // End of print method for class meta
// End of Mata session
end