/**
* Add an attribute only if it doesn't exist so that we don't loose information replacing it with
* SimpleAttributeSet.EMPTY
*/
private static void addAttribute(MutableAttributeSet to, Object key, Object value) {
Object attr = to.getAttribute(key);
if (attr == null || attr == SimpleAttributeSet.EMPTY) {
to.addAttribute(key, value);
} else {
if (attr instanceof MutableAttributeSet && value instanceof AttributeSet) {
((MutableAttributeSet) attr).addAttributes((AttributeSet) value);
}
}
}
@Override
public void handleStartTag(HTML.Tag tag, MutableAttributeSet attr, int pos) {
// <B>が出たら次の地の文はカテゴリ名。なのでフラグを立てる。
if (tag.equals(HTML.Tag.B)) {
start_bold = true;
start_category_flag = true;
}
// <A>タグが出たらurlを保持。あとで板名とペアにする。
if (tag.equals(HTML.Tag.A)) {
// 頭についてる広告タグは無視。
if (parse_2ch_start_flag) {
String href = (String) attr.getAttribute(HTML.Attribute.HREF);
next_board_url = href;
}
}
}
/**
* Create/update an HTML <font> tag attribute. The value of the attribute should be a
* MutableAttributeSet so that the attributes can be updated as they are discovered.
*/
private static void createFontAttribute(
CSS.Attribute a, AttributeSet from, MutableAttributeSet to) {
MutableAttributeSet fontAttr = (MutableAttributeSet) to.getAttribute(HTML.Tag.FONT);
if (fontAttr == null) {
fontAttr = new SimpleAttributeSet();
to.addAttribute(HTML.Tag.FONT, fontAttr);
}
// edit the parameters to the font tag
String htmlValue = from.getAttribute(a).toString();
if (a == CSS.Attribute.FONT_FAMILY) {
fontAttr.addAttribute(HTML.Attribute.FACE, htmlValue);
} else if (a == CSS.Attribute.FONT_SIZE) {
fontAttr.addAttribute(HTML.Attribute.SIZE, htmlValue);
} else if (a == CSS.Attribute.COLOR) {
fontAttr.addAttribute(HTML.Attribute.COLOR, htmlValue);
}
}