Iconv - Character set conversion

To use this binding add the following resolver and the dependency:

sbt

resolvers += Resolver.bintrayRepo("scala-native-bindgen", "maven")
libraryDependencies += "org.scala-native.bindgen" %%% "libiconv" % "0.3.1"

Maven

<repositories>
  <repository>
    <id>maven</id>
    <url>http://dl.bintray.com/scala-native-bindgen/maven</url>
  </repository>
</repositories>

<dependencies>
  <dependency>
    <groupId>org.scala-native.bindgen</groupId>
    <artifactId>libiconv_native0.3_2.11</artifactId>
    <version>0.3.1</version>
  </dependency>
</dependencies>

Gradle

repositories {
  maven {
    url "http://dl.bintray.com/scala-native-bindgen/maven"
  }
}

dependencies {
  compile group: 'org.scala-native.bindgen', name: 'libiconv_native0.3_2.11', version: '0.3.1'
}

The iconv.h header allows to convert text between different character sets, for example UTF-8 to ISO-8859-1.

Example

import org.scalanative.bindgen.bindings.iconv.iconv._
import scala.scalanative.native._
import java.nio.charset.Charset

val UTF8   = Charset.forName("UTF-8")
val encode = iconv_open(c"UTF-8", c"ISO-8859-1")
val decode = iconv_open(c"ISO-8859-1", c"UTF-8")

Zone { implicit zone =>
  val originalBuf    = toCString("øre", UTF8) // Ear in Danish
  val originalBufPtr = alloc[CString]
  !originalBufPtr = originalBuf
  val originalBytesLeft = alloc[CSize]
  !originalBytesLeft = string.strlen(originalBuf)

val translatedBuf    = alloc[Byte](32)
val translatedBufPtr = alloc[CString]
!translatedBufPtr = translatedBuf
val translatedBytesLeft = alloc[CSize]
!translatedBytesLeft = 32

val translatedCode = iconv(
  encode,
  originalBufPtr,
  originalBytesLeft,
  translatedBufPtr,
  translatedBytesLeft
)
}
iconv_close(encode)

Full source at GitHub