description="Central module for Tapestry, containing all core services and components"

antlrSource = "src/main/antlr"
antlrOutput = "$buildDir/generated-sources/antlr"

configurations {
  antlr3
}

sourceSets.main.java.srcDir antlrOutput

dependencies {
  compile project(':tapestry-ioc')
  compile project(':tapestry-json')

  provided project(":tapestry-test")
  provided "javax.servlet:servlet-api:$servletAPIVersion"

  compile "commons-codec:commons-codec:1.3"

  // Transitive will bring in the unwanted string template library as well
  compile "org.antlr:antlr-runtime:3.3", { transitive = false }

  // Antlr3 tool path used with the antlr3 task
  antlr3 "org.antlr:antlr:3.3"

  testRuntime "org.hsqldb:hsqldb:1.8.0.10"
}

// This may spin out as a plugin once we've got the details down pat

task generateGrammarSource {
  description = "Generates Java sources from Antlr3 grammars."
  inputs.dir file(antlrSource)
  outputs.dir file(antlrOutput)
} << {
  mkdir(antlrOutput)

  // Might have a problem here if the current directory has a space in its name

  def grammars = fileTree(antlrSource).include("**/*.g")

  ant.java(classname: 'org.antlr.Tool', fork: true, classpath: "${configurations.antlr3.asPath}") {
     arg(line: "-o ${antlrOutput}/org/apache/tapestry5/internal/antlr")
     arg(line: grammars.files.join(" "))
  }
}

task generateProjectProperties(dependsOn: compileJava) {
  description = "Generates META-INF/gradle/org.apache.tapestry/tapestry-core/project.properties similar to Maven's pom.properties."
  def outputDir = new File("$processResources.destinationDir/META-INF/gradle/org.apache.tapestry/tapestry-core")
  def outputFile = new File(outputDir, 'project.properties')

  outputs.dir outputDir

  doLast {
    outputDir.mkdirs()
    outputFile << "version=${version}";
    println "Generating $outputFile"
  }
}

ideaModule.doFirst {
  excludeDirs -= buildDir

  def generatedDir = file("$buildDir/generated-sources")

  def buildMinusGeneratedDir = (buildDir.listFiles() - generatedDir) as Set<File>

  excludeDirs += buildMinusGeneratedDir
}

compileJava.options.fork(memoryMaximumSize: '512m')
compileJava.dependsOn generateGrammarSource

// Not sure why this is necessary:
compileTestGroovy.dependsOn compileTestJava

jar.dependsOn generateProjectProperties