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package org.jetbrains.dokka
import org.jetbrains.jet.lang.descriptors.*
import org.jetbrains.jet.lang.resolve.BindingContext
class DocumentationContentSection(val label: String, val text: String) {
override fun toString(): String {
return "$label = $text"
}
}
class DocumentationContent(val summary: String, val description: String, val sections: List<DocumentationContentSection>) {
override fun equals(other: Any?): Boolean {
if (other !is DocumentationContent)
return false
if (summary != other.summary)
return false
if (sections.size != other.sections.size)
return false
for (index in sections.indices)
if (sections[index] != other.sections[index])
return false
return true
}
override fun hashCode(): Int {
return summary.hashCode() + sections.map { it.hashCode() }.sum()
}
override fun toString(): String {
if (sections.isEmpty())
return summary
return "$summary | " + sections.joinToString()
}
class object {
val Empty = DocumentationContent("", "", listOf())
}
}
fun BindingContext.getDocumentation(descriptor: DeclarationDescriptor): DocumentationContent {
val docText = getDocumentationElements(descriptor).map { it.extractText() }.join("\n")
val sections = docText.parseSections()
val content = sections.first().text
return DocumentationContent(content.substringBefore('\n'), content.substringAfter('\n'), sections.drop(1))
}
fun String.parseLabel(index: Int): Pair<String, Int> {
val c = get(index)
when {
Character.isJavaIdentifierStart(c) -> {
for (end in index + 1..length - 1) {
if (!Character.isJavaIdentifierPart(get(end))) {
return substring(index, end) to end
}
}
return substring(index, length) to length
}
c == '{' -> {
val end = indexOf('}', index + 1)
return substring(index + 1, end) to end + 2
}
}
return "" to -1
}
fun String.parseSections(): List<DocumentationContentSection> {
val sections = arrayListOf<DocumentationContentSection>()
var currentLabel = ""
var currentSectionStart = 0
var currentIndex = 0
while (currentIndex < length) {
if (get(currentIndex) == '$') {
val (label, index) = parseLabel(currentIndex + 1)
if (index != -1) {
// section starts, add previous section
sections.add(DocumentationContentSection(currentLabel, substring(currentSectionStart, currentIndex).trim()))
currentLabel = label
currentIndex = index
currentSectionStart = currentIndex
continue
}
}
currentIndex++
}
sections.add(DocumentationContentSection(currentLabel, substring(currentSectionStart, currentIndex).trim()))
return sections
}
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