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move MetaTagsParser to common module

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jiftechnify 2024-03-27 21:19:52 +09:00
parent 539433014e
commit 442cdfdf2a
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3 changed files with 12 additions and 5 deletions
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2
app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlPreviewUtils.kt
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@ -20,6 +20,8 @@
*/
package com.vitorpamplona.amethyst.service.previews
import com.vitorpamplona.amethyst.commons.preview.MetaTag
import com.vitorpamplona.amethyst.commons.preview.MetaTagsParser
import com.vitorpamplona.amethyst.service.HttpClientManager
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import kotlinx.coroutines.Dispatchers

2
app/src/test/java/com/vitorpamplona/amethyst/service/previews/MetaTagsParserTest.kt → commons/src/androidTest/java/com/vitorpamplona/amethyst/commons/preview/MetaTagsParserTest.kt
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@ -18,7 +18,7 @@
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.amethyst.service.previews
package com.vitorpamplona.amethyst.commons.preview
import org.junit.Assert.assertEquals
import org.junit.Test

13
app/src/main/java/com/vitorpamplona/amethyst/service/previews/MetaTagsParser.kt → commons/src/main/java/com/vitorpamplona/amethyst/commons/preview/MetaTagsParser.kt
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@ -18,20 +18,25 @@
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.amethyst.service.previews
package com.vitorpamplona.amethyst.commons.preview
import kotlinx.collections.immutable.toImmutableMap
import java.lang.StringBuilder
internal data class MetaTag(private val attrs: Map<String, String>) {
data class MetaTag(private val attrs: Map<String, String>) {
/**
* Returns a value of an attribute specified by its name (case insensitive), or empty string if it doesn't exist.
*/
fun attr(name: String): String = attrs[name.lowercase()] ?: ""
}
// parse a partial HTML document and extract meta tags
internal object MetaTagsParser {
object MetaTagsParser {
private val NON_ATTR_NAME_CHARS = setOf(Char(0x0), '"', '\'', '>', '/')
private val NON_UNQUOTED_ATTR_VALUE_CHARS = setOf('"', '\'', '=', '>', '<', '`')
/**
* Lazily parse a partial HTML document and extract meta tags.
*/
fun parse(input: String): Sequence<MetaTag> =
sequence {
val s = TagScanner(input)