diff options
Diffstat (limited to 'core/src/main/kotlin/ca/allanwang/kau/xml/FAQ.kt')
| -rw-r--r-- | core/src/main/kotlin/ca/allanwang/kau/xml/FAQ.kt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/xml/FAQ.kt b/core/src/main/kotlin/ca/allanwang/kau/xml/FAQ.kt new file mode 100644 index 0000000..dedfbbf --- /dev/null +++ b/core/src/main/kotlin/ca/allanwang/kau/xml/FAQ.kt @@ -0,0 +1,42 @@ +package ca.allanwang.kau.xml + +import android.content.Context +import android.content.res.XmlResourceParser +import android.support.annotation.XmlRes +import android.text.Html +import android.text.Spanned +import ca.allanwang.kau.utils.use +import org.xmlpull.v1.XmlPullParser + +/** + * Created by Allan Wang on 2017-07-30. + */ + +/** + * Parse an xml with two tags, <question>Text</question> and <answer>Text</answer>, + * and return them as a list of string pairs + */ +fun Context.kauParseFaq(@XmlRes xmlRes: Int, withNumbering: Boolean = true): List<Pair<Spanned, Spanned>> { + val items = mutableListOf<Pair<Spanned, Spanned>>() + resources.getXml(xmlRes).use { + parser: XmlResourceParser -> + var eventType = parser.eventType + var question: Spanned? = null + while (eventType != XmlPullParser.END_DOCUMENT) { + if (eventType == XmlPullParser.START_TAG) { + if (parser.name == "question") { + var q = parser.text.replace("\n", "<br/>") + if (withNumbering) q = "${items.size + 1}. $q" + question = Html.fromHtml(q) + } else if (parser.name == "answer") { + items.add(Pair(question ?: throw IllegalArgumentException("KAU FAQ answer found without a question"), + Html.fromHtml(parser.text.replace("\n", "<br/>")))) + question = null + } + } + + eventType = parser.next() + } + } + return items +}
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