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/* valaattribute.vala
*
* Copyright (C) 2006-2008 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
/**
* Represents an attribute specified in the source code.
*/
public class Vala.Attribute : CodeNode {
/**
* The name of the attribute type.
*/
public string name { get; set; }
/**
* Contains all specified attribute arguments.
*/
public Vala.Map<string,string> args = new HashMap<string,string> (str_hash, str_equal);
/**
* Creates a new attribute.
*
* @param name attribute type name
* @param source_reference reference to source code
* @return newly created attribute
*/
public Attribute (string name, SourceReference? source_reference = null) {
this.name = name;
this.source_reference = source_reference;
if (!CodeContext.get ().deprecated) {
if (name == "Deprecated") {
Report.deprecated (source_reference, "[Deprecated] is deprecated. Use [Version (deprecated = true, deprecated_since = \"\", replacement = \"\")]");
} else if (name == "Experimental") {
Report.deprecated (source_reference, "[Experimental] is deprecated. Use [Version (experimental = true, experimental_until = \"\")]");
}
}
}
/**
* Adds an attribute argument.
*
* @param key argument name
* @param value argument value
*/
public void add_argument (string key, string value) {
args.set (key, value);
}
/**
* Returns whether this attribute has the specified named argument.
*
* @param name argument name
* @return true if the argument has been found, false otherwise
*/
public bool has_argument (string name) {
return args.contains (name);
}
/**
* Returns the string value of the specified named argument.
*
* @param name argument name
* @return string value
*/
public string? get_string (string name, string? default_value = null) {
string value = args.get (name);
if (value == null) {
return default_value;
}
/* remove quotes */
var noquotes = value.substring (1, (uint) (value.length - 2));
/* unescape string */
return noquotes.compress ();
}
/**
* Returns the integer value of the specified named argument.
*
* @param name argument name
* @return integer value
*/
public int get_integer (string name, int default_value = 0) {
string value = args.get (name);
if (value == null) {
return default_value;
}
return int.parse (value);
}
/**
* Returns the double value of the specified named argument.
*
* @param name argument name
* @return double value
*/
public double get_double (string name, double default_value = 0) {
string value = args.get (name);
if (value == null) {
return default_value;
}
return double.parse (value);
}
/**
* Returns the boolean value of the specified named argument.
*
* @param name argument name
* @return boolean value
*/
public bool get_bool (string name, bool default_value = false) {
string value = args.get (name);
if (value == null) {
return default_value;
}
return bool.parse (value);
}
}
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