1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
package org.jetbrains.dokka.Samples
import com.google.inject.Inject
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiWhiteSpace
import com.intellij.psi.impl.source.tree.LeafPsiElement
import com.intellij.psi.util.PsiTreeUtil
import org.jetbrains.dokka.*
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.allChildren
import org.jetbrains.kotlin.psi.psiUtil.prevLeaf
import org.jetbrains.kotlin.resolve.ImportPath
open class KotlinWebsiteSampleProcessingService
@Inject constructor(options: DocumentationOptions,
logger: DokkaLogger,
resolutionFacade: DokkaResolutionFacade)
: DefaultSampleProcessingService(options, logger, resolutionFacade) {
private class SampleBuilder : KtTreeVisitorVoid() {
val builder = StringBuilder()
val text: String
get() = builder.toString()
fun KtValueArgument.extractStringArgumentValue() =
(getArgumentExpression() as KtStringTemplateExpression)
.entries.joinToString("") { it.text }
fun convertAssertPrints(expression: KtCallExpression) {
val (argument, commentArgument) = expression.valueArguments
builder.apply {
append("println(")
append(argument.text)
append(") // ")
append(commentArgument.extractStringArgumentValue())
}
}
fun convertAssertTrueFalse(expression: KtCallExpression, expectedResult: Boolean) {
val (argument) = expression.valueArguments
builder.apply {
expression.valueArguments.getOrNull(1)?.let {
append("// ${it.extractStringArgumentValue()}")
val ws = expression.prevLeaf { it is PsiWhiteSpace }
append(ws?.text ?: "\n")
}
append("println(\"")
append(argument.text)
append(" is \${")
append(argument.text)
append("}\") // $expectedResult")
}
}
fun convertAssertFails(expression: KtCallExpression) {
val (message, funcArgument) = expression.valueArguments
builder.apply {
val argument = if (funcArgument.getArgumentExpression() is KtLambdaExpression)
PsiTreeUtil.findChildOfType(funcArgument, KtBlockExpression::class.java)?.text ?: ""
else
funcArgument.text
append(argument.lines().joinToString(separator = "\n") { "// $it" })
append(" // ")
append(message.extractStringArgumentValue())
append(" will fail")
}
}
fun convertAssertFailsWith(expression: KtCallExpression) {
val (funcArgument) = expression.valueArguments
val (exceptionType) = expression.typeArguments
builder.apply {
val argument = if (funcArgument.firstChild is KtLambdaExpression)
PsiTreeUtil.findChildOfType(funcArgument, KtBlockExpression::class.java)?.text ?: ""
else
funcArgument.text
append(argument.lines().joinToString(separator = "\n") { "// $it" })
append(" // will fail with ")
append(exceptionType.text)
}
}
override fun visitCallExpression(expression: KtCallExpression) {
when (expression.calleeExpression?.text) {
"assertPrints" -> convertAssertPrints(expression)
"assertTrue" -> convertAssertTrueFalse(expression, expectedResult = true)
"assertFalse" -> convertAssertTrueFalse(expression, expectedResult = false)
"assertFails" -> convertAssertFails(expression)
"assertFailsWith" -> convertAssertFailsWith(expression)
else -> super.visitCallExpression(expression)
}
}
override fun visitElement(element: PsiElement) {
if (element is LeafPsiElement)
builder.append(element.text)
super.visitElement(element)
}
}
private fun PsiElement.buildSampleText(): String {
val sampleBuilder = SampleBuilder()
this.accept(sampleBuilder)
return sampleBuilder.text
}
val importsToIgnore = arrayOf("samples.*").map { ImportPath.fromString(it) }
override fun processImports(psiElement: PsiElement): ContentBlockCode {
val psiFile = psiElement.containingFile
if (psiFile is KtFile) {
return ContentBlockCode("kotlin").apply {
append(ContentText("\n"))
psiFile.importList?.let {
it.allChildren.filter {
it !is KtImportDirective || it.importPath !in importsToIgnore
}.forEach { append(ContentText(it.text)) }
}
}
}
return super.processImports(psiElement)
}
override fun processSampleBody(psiElement: PsiElement) = when (psiElement) {
is KtDeclarationWithBody -> {
val bodyExpression = psiElement.bodyExpression
val bodyExpressionText = bodyExpression!!.buildSampleText()
when (bodyExpression) {
is KtBlockExpression -> bodyExpressionText.removeSurrounding("{", "}")
else -> bodyExpressionText
}
}
else -> psiElement.buildSampleText()
}
}
|
