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GenerateMdnDocumentation.kt
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GenerateMdnDocumentation.kt
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// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
import com.google.gson.*
import com.google.gson.stream.JsonReader
import com.intellij.application.options.CodeStyle
import com.intellij.bcd.json.*
import com.intellij.documentation.mdn.*
import com.intellij.ide.highlighter.HtmlFileType
import com.intellij.lang.html.HTMLLanguage
import com.intellij.lang.javascript.library.JSCorePredefinedLibrariesProvider
import com.intellij.lang.javascript.psi.JSPsiElementBase
import com.intellij.lang.javascript.psi.stubs.JSSymbolIndex2
import com.intellij.lang.javascript.psi.types.JSNamedTypeFactory
import com.intellij.lang.javascript.psi.types.JSTypeContext
import com.intellij.lang.javascript.psi.types.JSTypeSourceFactory
import com.intellij.openapi.application.PathManager
import com.intellij.openapi.util.io.FileUtil
import com.intellij.openapi.util.text.StringUtil
import com.intellij.psi.*
import com.intellij.psi.codeStyle.CodeStyleSettingsManager
import com.intellij.psi.codeStyle.CommonCodeStyleSettings
import com.intellij.psi.formatter.xml.HtmlCodeStyleSettings
import com.intellij.psi.impl.source.html.HtmlFileImpl
import com.intellij.psi.stubs.StubIndex
import com.intellij.psi.util.PsiTreeUtil
import com.intellij.psi.xml.*
import com.intellij.testFramework.fixtures.BasePlatformTestCase
import com.intellij.util.applyIf
import com.intellij.util.asSafely
import com.intellij.util.text.CharSequenceSubSequence
import com.intellij.util.text.NameUtilCore
import java.io.File
import java.io.FileReader
import java.lang.reflect.Type
import java.nio.file.Path
import java.util.*
import java.util.function.BiFunction
val htmlSpecialMappings = mapOf(
"heading_elements" to setOf("h1", "h2", "h3", "h4", "h5", "h6")
)
/**
* When adding a known property here, ensure that there is appropriate key in XmlPsiBundle.
*/
const val defaultBcdContext = "\$default_context"
val knownBcdIds = setOf(
defaultBcdContext,
"flex_context",
"grid_context",
"multicol_context",
"paged_context",
"supported_for_width_and_other_sizing_properties",
"supported_in_grid_layout",
// CSS values support - by default not translated
"support_of_multi-keyword_values", // translated
"support_of_flow-root",
"support_of_grid",
"support_of_flex",
"support_of_ruby_values", //translated
"support_of_table_values", //translated
"support_of_inline-table",
"support_of_inline-grid",
"support_of_inline-flex",
"support_of_inline-block",
"support_of_WOFF", //translated
"support_of_WOFF_2", //translated
"support_of_-webkit-resizer",
"support_of_-webkit-scrollbar",
"support_of_-webkit-scrollbar-button",
"support_of_-webkit-scrollbar-corner",
"support_of_-webkit-scrollbar-thumb",
"support_of_-webkit-scrollbar-track",
"support_of_-webkit-scrollbar-track-piece",
"support_of_color-mix",
"support_of_interpolation_color_space",
"support_of_hue_interpolation_method",
"support_of_fit-content",
"support_of_fit-content_function",
"support_of_hsl",
"support_of_hwb",
"support_of_lch",
"support_of_oklch",
//JS - by default not translated
"support_of_compressedTexImage2D",
"support_of_compressedTexImage3D",
"support_of_texParameterf",
"support_of_texParameteri",
"2d_context",
"3d_context",
"bitmaprenderer_context",
"webgl2_context",
"webgl_context",
"webgpu_context"
)
val jsRuntimesMap = MdnJavaScriptRuntime.values().associateBy { it.mdnId }
val BROWSER_COMPAT_DATA_PATH = PathManager.getCommunityHomePath() + "/xml/xml-psi-impl/mdn-doc-gen/work/browser-compat-data.json"
val MDN_CONTENT_ROOT = PathManager.getCommunityHomePath() + "/xml/xml-psi-impl/mdn-doc-gen/work/mdn-content/files"
val YARI_BUILD_PATH = PathManager.getCommunityHomePath() + "/xml/xml-psi-impl/mdn-doc-gen/work/yari/client/build"
const val BUILT_LANG = "en-us"
const val WEB_DOCS = "docs/web"
const val MDN_DOCS_URL_PREFIX = "\$MDN_URL\$"
const val OUTPUT_DIR = "xml/xml-psi-impl/gen/com/intellij/documentation/mdn/"
const val SEE_REFERENCE = "\$SEE_REFERENCE\$"
val seePattern = Regex("<p>See <a href=\"/$BUILT_LANG/$WEB_DOCS/([a-z0-9_\\-/]+)(#[a-z]+)?\"><code>[a-z0-9_\\-]+</code></a>\\.</p>",
RegexOption.IGNORE_CASE)
val svgAttributeSectionsPattern = Regex(
"(.*)<em>Value type</em>\\s*:(.*);\\s*<em>Default value(?:</em>)?\\s*:(.*);\\s*(?:<em>)?Animatable</em>\\s*:\\s*(.*)",
RegexOption.DOT_MATCHES_ALL)
val bcd: Bcd = readBcd(BROWSER_COMPAT_DATA_PATH)
val jsWebApiNameFilter: (String) -> Boolean = { name ->
!name.contains('-')
&& (!name.contains("_") || name.endsWith("_static"))
&& name != "index"
}
/* It's so much easier to run a test, than to setup the whole IJ environment */
class GenerateMdnDocumentation : BasePlatformTestCase() {
/* Run these tests to generate documentation. Prepare MDN documentation repositories with `prepare-mdn.sh` */
fun testGenHtml() {
val attributes = extractInformationSimple("html.global_attributes", "html/global_attributes", listOf('_', '-'),
this::extractAttributeDocumentation)
outputJson(MdnApiNamespace.Html.name, mapOf(
"attrs" to attributes,
"tags" to extractInformationSimple("html.elements", "html/elements", listOf('_', '-'),
allowList = htmlSpecialMappings.keys) { dir, bcdInfo ->
this.extractElementDocumentation(dir, "html/global_attributes", bcdInfo, attributes)
},
"tagAliases" to reversedAliasesMap(htmlSpecialMappings)
))
}
fun testGenMathML() {
val attributes = extractInformationSimple("mathml.global_attributes", "mathml/attribute", emptyList(),
this::extractAttributeDocumentation)
outputJson(MdnApiNamespace.MathML.name, mapOf(
"attrs" to attributes,
"tags" to extractInformationSimple("mathml.elements", "mathml/element", emptyList()) { dir, bcdInfo ->
this.extractElementDocumentation(dir, "mathml/attribute", bcdInfo, attributes)
}
))
}
fun testGenSvg() {
val attributes = extractInformationSimple("svg.attributes", "svg/attribute", listOf('_')) { dir, bcd ->
if (bcd == null && dir.name !in listOf("requiredfeatures", "systemlanguage"))
null
else
extractAttributeDocumentation(dir, bcd)
}
outputJson(MdnApiNamespace.Svg.name, mapOf(
"attrs" to attributes,
"tags" to extractInformationSimple("svg.elements", "svg/element", listOf('_')) { dir, bcdInfo ->
this.extractElementDocumentation(dir, "svg/attribute", bcdInfo, attributes)
}
))
}
fun testGenJsWebApi() {
val symbols = extractInformation("api", bcd.resolve("api"), jsWebApiNameFilter)
{ dir, bcdInfo ->
extractJavascriptDocumentation(dir, bcdInfo, "")
}.resolveReferences()
val fragments = webApiFragmentStarts.associateWithTo(TreeMap()) { sortedMapOf<String, MdnJsSymbolDocumentation>() }
symbols.forEach { (name, doc) ->
(fragments.floorEntry(name[0]) ?: throw IllegalStateException("Null entry for $name")).value[name] = doc
}
fragments.forEach { (prefix, symbols) ->
outputJson("${MdnApiNamespace.WebApi.name}-$prefix", mapOf(
"symbols" to symbols
))
}
val index = createDtsMdnIndex(symbols)
FileUtil.writeToFile(Path.of(PathManager.getCommunityHomePath(), OUTPUT_DIR, "${MdnApiNamespace.WebApi.name}-index.json").toFile(),
GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create()
.toJson(index))
}
fun testGenJsGlobalObjects() {
outputJson(MdnApiNamespace.GlobalObjects.name, mapOf(
"symbols" to extractInformation("javascript/reference/global_objects", bcd.resolve("javascript.builtins"),
listOf('-', '_')) { it, bcdInfo ->
extractJavascriptDocumentation(it, bcdInfo, "")
}.resolveReferences()
))
}
fun testGenCss() {
outputJson(MdnApiNamespace.Css.name, buildCssDocs())
}
fun testGenDomEvents() {
outputJson(MdnApiNamespace.DomEvents.name, mapOf(
"events" to extractDomEvents(),
))
}
override fun setUp() {
super.setUp()
val manager = CodeStyleSettingsManager.getInstance(project)
@Suppress("DEPRECATION") val currSettings = manager.currentSettings
val clone = CodeStyle.createTestSettings(currSettings)
manager.setTemporarySettings(clone)
val htmlSettings = clone.getCustomSettings(HtmlCodeStyleSettings::class.java)
htmlSettings.HTML_ATTRIBUTE_WRAP = CommonCodeStyleSettings.DO_NOT_WRAP
htmlSettings.HTML_TEXT_WRAP = CommonCodeStyleSettings.DO_NOT_WRAP
clone.getCommonSettings(HTMLLanguage.INSTANCE).softMargins.clear()
}
override fun tearDown() {
try {
CodeStyleSettingsManager.getInstance(project).dropTemporarySettings()
}
catch (e: Throwable) {
addSuppressedException(e)
}
finally {
super.tearDown()
}
}
private fun outputJson(outputFile: String, data: Map<String, Any>) {
FileUtil.writeToFile(Path.of(PathManager.getCommunityHomePath(), OUTPUT_DIR, "$outputFile.json").toFile(),
GsonBuilder().setPrettyPrinting().disableHtmlEscaping()
.registerTypeAdapter(Map::class.java, CompatibilityMapSerializer())
.create()
.toJson(additionalMetadata() + data))
}
private fun <T : Any> extractInformationSimple(bcdPath: String, mdnPath: String,
disallowedChars: List<Char>,
extractor: (File, Identifier?) -> T?): Map<String, T> =
extractInformationSimple(bcdPath, mdnPath, disallowedChars, emptySet(), extractor)
private fun <T : Any> extractInformationSimple(bcdPath: String, mdnPath: String, disallowedChars: List<Char>,
allowList: Set<String>, extractor: (File, Identifier?) -> T?): Map<String, T> =
extractInformation(mdnPath, bcd.resolve(bcdPath), disallowedChars, allowList) { docDir, id ->
try {
extractor(docDir, id)?.let { listOf(Pair(docDir.name, it)) } ?: emptyList()
}
catch (e: Exception) {
System.err.println("Error for $docDir: ${e.message}")
throw e
}
}
private fun getMdnDir(mdnPath: String): File =
Path.of(YARI_BUILD_PATH, BUILT_LANG, WEB_DOCS, mdnPath
.replace("*", "_star_")
.replace("::", "_doublecolon_")
.replace(":", "_colon_")
).toFile()
private fun <T> extractInformation(mdnPath: String,
bcd: Identifier?,
disallowedChars: List<Char>,
allowList: Set<String> = emptySet(),
blockList: Set<String> = emptySet(),
mdnUrlBuilder: ((String, Identifier) -> String?)? = null,
extractor: (File, Identifier?) -> List<Pair<String, T>>): Map<String, T> =
extractInformation(mdnPath, bcd,
{ (disallowedChars.none { ch -> it.contains(ch) } || allowList.contains(it)) && !blockList.contains(it) },
mdnUrlBuilder,
extractor)
private fun <T> extractInformation(mdnPath: String,
bcd: Identifier?,
nameFilter: (String) -> Boolean,
mdnUrlBuilder: ((String, Identifier) -> String?)? = null,
extractor: (File, Identifier?) -> List<Pair<String, T>>): Map<String, T> {
val namesWithBcd = mutableSetOf<String>()
val resultWithBcd = (bcd?.additionalProperties?.asSequence() ?: emptySequence())
.flatMap { (name, bcd) ->
if (bcd.compat == null) {
bcd.additionalProperties.entries.map { Pair(name + "/" + it.key, it.value) }
}
else listOf(Pair(name, bcd))
}
.flatMap { (name, bcdInfo) ->
if (!nameFilter(name)) return@flatMap emptyList()
try {
val mdnUrl = bcdInfo.compat?.mdnUrl?.lowercase(Locale.US)?.removePrefix("https://developer.mozilla.org/docs/web/")
?: mdnUrlBuilder?.invoke(name, bcdInfo)
?: "$mdnPath/$name"
val dir = getMdnDir(mdnUrl).let {
if (it.name.endsWith("()") && !it.exists()) {
val suffixed = File(it.parentFile, it.name.removeSuffix("()") + "_function")
if (suffixed.exists()) return@let suffixed
}
it
}
if (!dir.exists()) {
System.err.println("Dir not found: $dir")
emptyList()
}
else {
namesWithBcd.add(dir.name.takeLastWhile { it != '/' }.lowercase(Locale.US))
extractor(dir, bcdInfo)
}
}
catch (e: Exception) {
throw RuntimeException("Failed to process $mdnPath/$name: ${e.message}", e)
}
}
.toMap(TreeMap())
val resultWithoutBcd = (getMdnDir(mdnPath).listFiles()?.asSequence() ?: emptySequence())
.filter { file ->
file.isDirectory
&& file.name.lowercase(Locale.US).let { nameFilter(it) && !namesWithBcd.contains(it) }
&& File(file, "index.json").exists()
}
.flatMap {
try {
extractor(it, null)
}
catch (e: Exception) {
throw RuntimeException("Failed to process $it: ${e.message}", e)
}
}
.distinct()
.sortedBy { it.first }
.toMap()
return TreeMap(resultWithoutBcd + resultWithBcd)
}
private fun additionalMetadata(): Map<String, Any> =
mapOf(
"license" to mapOf(
"name" to "CC-BY-SA 2.5",
"url" to "https://creativecommons.org/licenses/by-sa/2.5/",
),
"author" to mapOf(
"name" to "Mozilla Contributors",
"url" to "https://github.com/mdn/content"
),
"lang" to BUILT_LANG,
)
private fun extractElementDocumentation(dir: File,
attributesMdnPath: String,
compatData: Identifier?,
commonAttributes: Map<String, MdnHtmlAttributeDocumentation>): MdnHtmlElementDocumentation {
val contents = DocContents(dir, compatData)
val elementDoc = contents.prose.first().getProseContent().appendOtherSections(contents.prose)
val attributesDoc = contents.prose.filterProseById("attributes", "attributes_for_form_submission", "deprecated_attributes",
"obsolete_attributes",
"non-standard_attributes")
.joinToString("\n") { it.getProseContent().content }
.let { RawProse(it) }
val status = extractStatus(contents)
val compatibility = extractCompatibilityInfo(contents)
val doc = processElementDocumentation(elementDoc, contents.prose.getProseContentById("summary"))
val documentation = doc.first
val properties = doc.second.takeIf { it.isNotEmpty() }
?: contents.prose.filterProseById("properties", "technical_summary")
.firstOrNull()
?.getProseContent()
?.let { processElementDocumentation(it, null) }
?.second
?.takeIf { it.isNotEmpty() }
return MdnHtmlElementDocumentation(getMdnDocsUrl(dir), status, compatibility, documentation, properties,
buildAttributes(dir, getMdnDir(attributesMdnPath), attributesDoc, compatData, commonAttributes))
}
private fun extractAttributeDocumentation(dir: File, compatData: Identifier?): MdnHtmlAttributeDocumentation {
val contents = DocContents(dir, compatData)
return MdnHtmlAttributeDocumentation(getMdnDocsUrl(dir), extractStatus(contents),
extractCompatibilityInfo(contents),
extractDescription(contents.prose, true))
}
private fun extractDomEvents(): Map<String, MdnDomEventDocumentation> {
val prefix = "/$BUILT_LANG/$WEB_DOCS/events/"
return redirects.asSequence()
.filter { (from, to) ->
from.startsWith(prefix)
&& !from.contains("_")
&& !to.contains("#")
&& !to.endsWith("/window")
}
.mapNotNull {
Pair(it.key.substring(prefix.length),
extractDomEventDocumentation(Path.of(YARI_BUILD_PATH, it.value).toFile()) ?: return@mapNotNull null)
}
.toMap()
}
private fun extractDomEventDocumentation(dir: File): MdnDomEventDocumentation? {
val contents = DocContents(dir, null)
return MdnDomEventDocumentation(getMdnDocsUrl(dir), extractStatus(contents),
extractCompatibilityInfo(contents),
extractEventDescription(contents.prose) ?: return null)
}
private fun extractJavascriptDocumentation(dir: File,
compatData: Identifier?,
namePrefix: String): List<Pair<String, MdnJsSymbolDocumentation>> {
try {
val contents = DocContents(dir, compatData)
val thisNamePrefix = "$namePrefix${dir.name.lowercase(Locale.US)}".removeSuffix("_static")
return extractInformation(dir.toMdnUrl(), compatData, jsWebApiNameFilter) { subDir, subBcdInfo ->
extractJavascriptDocumentation(
subDir, subBcdInfo, "$thisNamePrefix.")
}.toList() +
Pair(thisNamePrefix,
MdnJsSymbolDocumentation(getMdnDocsUrl(dir), compatData?.let { extractStatus(contents) },
compatData?.let { extractCompatibilityInfo(contents) },
extractDescription(contents.prose),
extractParameters(contents.prose),
extractReturns(contents.prose)?.patch(),
extractThrows(contents.prose)))
}
catch (e: Exception) {
System.err.println("Error for $dir: ${e.message}")
throw e
}
}
private fun buildCssDocs(): Map<String, Map<String, MdnRawSymbolDocumentation>> {
val result = TreeMap<String, MutableMap<String, MdnRawSymbolDocumentation>>()
extractInformation(
"css",
bcd.resolve("css"),
{
(it.contains("_colon_") || it.contains("_doublecolon_") || it.endsWith("_function") || !it.contains('_'))
}
)
{ docDir, bcdInfo ->
try {
if (!docDir.isDirectory) return@extractInformation emptyList()
val info = CssElementInfo(docDir)
if (info.hasDataType) {
extractInformation(docDir.toMdnUrl(), bcdInfo, { true }) { innerDocDir, innerBcdInfo ->
try {
listOf(Pair(CssElementInfo(innerDocDir).name,
extractCssElementDocumentation(innerDocDir, innerBcdInfo)))
}
catch (e: Exception) {
System.err.println("Error for $innerDocDir: ${e.message}")
throw e
}
}.toList()
}
else {
emptyList()
} + Pair(info.name, extractCssElementDocumentation(docDir, bcdInfo))
}
catch (e: Exception) {
System.err.println("Error for $docDir: ${e.message}")
throw e
}
}
.forEach { (name, doc) ->
when {
name.startsWith("_colon_") -> Pair("pseudoClasses", name.substring("_colon_".length))
name.startsWith("_doublecolon_") -> Pair("pseudoElements", name.substring("_doublecolon_".length))
name.startsWith("@") -> Pair("atRules", name.substring(1))
name.startsWith("<") -> Pair("dataTypes", name.substring(1, name.length - 1))
name.endsWith("()") -> Pair("functions", name.substring(0, name.length - 2))
else -> Pair("properties", name)
}.let { (kind, simpleName) ->
result.getOrPut(kind, ::TreeMap)[simpleName] = doc
}
}
postProcessProperties(result["properties"] as MutableMap)
return result
}
private fun extractCssElementDocumentation(dir: File, compatData: Identifier?): MdnRawSymbolDocumentation {
val contents = DocContents(dir, compatData)
val url = getMdnDocsUrl(dir)
val status = extractStatus(contents)
val compatibility = extractCompatibilityInfo(contents)
val description = extractDescription(contents.prose)
val dirName = dir.name
return when {
dirName.startsWith('_') || dirName.endsWith("()") ->
MdnCssBasicSymbolDocumentation(url, status, compatibility, description, extractFormalSyntax(contents.prose))
dirName.startsWith('@') ->
MdnCssAtRuleSymbolDocumentation(
url, status, compatibility, description,
extractInformation(dir.toMdnUrl(), compatData, { !it.contains('_') }) { docDir, innerBcdInfo ->
try {
if (!docDir.isDirectory) {
emptyList()
}
else {
listOf(Pair(docDir.name,
extractCssElementDocumentation(docDir, innerBcdInfo) as MdnCssPropertySymbolDocumentation))
}
}
catch (e: Exception) {
System.err.println("Error for $docDir: ${e.message}")
throw e
}
}.takeIf { it.isNotEmpty() }, extractFormalSyntax(contents.prose)
)
else ->
MdnCssPropertySymbolDocumentation(
url, status, compatibility, description, extractFormalSyntax(contents.prose), extractPropertyValues(contents.prose))
}
}
private fun postProcessProperties(properties: MutableMap<String, MdnRawSymbolDocumentation>) {
properties.computeIfPresent("place-items", BiFunction { _, doc ->
val alignItems = properties["align-items"]!! as MdnCssPropertySymbolDocumentation
val justifyItems = properties["justify-items"]!! as MdnCssPropertySymbolDocumentation
(doc as MdnCssPropertySymbolDocumentation).copy(
values = alignItems.values!! + justifyItems.values!!
)
})
}
private fun extractDescription(indexDataProseValues: List<JsonObject>, appendOtherSections: Boolean = false): String =
indexDataProseValues.firstOrNull()?.getProseContent()?.applyIf(appendOtherSections) { appendOtherSections(indexDataProseValues) }
?.let { createHtmlFile(it).patchedText() }
?: ""
private fun extractFormalSyntax(indexDataProseValues: List<JsonObject>): String? =
indexDataProseValues.getProseContentById("formal_syntax")
?.let { createHtmlFile(it) }
?.let { PsiTreeUtil.findChildOfType(it, XmlTag::class.java) }
?.let { extractPreText(it) }
?.patchProse()
?.replace(" ", " ")
?.replace(Regex("\n +"), "\n")
?.let { formatFormalCssSyntax(it) }
private fun formatFormalCssSyntax(str: String): String {
if (str.startsWith("\n```css")) {
return str.removePrefix("\n```css\n").removeSuffix("\n```\n")
.replace(Regex(" +"), " ")
}
val result = StringBuilder()
val firstEquals = str.indexOf('=')
val firstLine = str.indexOf('\n')
val start = if (firstEquals < 0 || firstLine in 0 until firstEquals) 0 else firstEquals + 1
var i = start
var indentation = 1
while (i < str.length) {
val seq = CharSequenceSubSequence(str, i, str.length)
val prevContents = CharSequenceSubSequence(str, start, i)
if (prevContents.endsWith("\n\n")) {
if (seq.startsWith("where ")) {
if (indentation == 2) break
i += "where ".length
result.append("\n")
repeat(++indentation) { result.append(" ") }
continue
}
else if (seq.startsWith("<")) {
result.append("\n")
repeat(indentation) { result.append(" ") }
result.append("<")
i += "<".length
continue
}
result.append(str[i++])
}
else {
val prevChar = if (i <= 0) ' ' else str[i - 1]
when (val ch = str[i++]) {
' ' ->
if (prevChar != ' ')
result.append(" ")
'\n' ->
when (prevChar) {
'(' -> result.append('\n')
'|' -> result.append(" ")
}
else -> result.append(ch)
}
}
}
return result.toString()
.replace(Regex("[ \n]+\n"), "\n")
.trim()
}
private fun extractEventDescription(indexDataProseValues: List<JsonObject>): String? =
indexDataProseValues.first().getProseContent()
.let { createHtmlFile(it) }
.children[0].children.filter { it is XmlTag && it.name == "p" }
.takeIf { it.isNotEmpty() }
?.joinToString("\n") { it.patchedText() }
private fun reversedAliasesMap(specialMappings: Map<String, Set<String>>): Map<String, String> =
specialMappings.entries.asSequence().flatMap { mapping -> mapping.value.asSequence().map { Pair(it, mapping.key) } }.toMap()
private fun getMdnDocsUrl(dir: File): String =
MDN_DOCS_URL_PREFIX + dir.path.replace('\\', '/').let { it.substring(it.indexOf("/docs/") + 5) }
private fun parseIndexJson(dir: File): JsonObject =
JsonParser.parseReader(JsonReader(FileReader(File(dir, "index.json"))).also { it.isLenient = true })
.asJsonObject
private fun buildAttributes(tagDir: File,
attributesDir: File,
attributesDoc: RawProse?,
elementCompatData: Identifier?,
commonAttributes: Map<String, MdnHtmlAttributeDocumentation>): Map<String, MdnHtmlAttributeDocumentation>? {
val docAttrs = processDataList(attributesDoc).flatMap { (name, doc) ->
if (name.contains(','))
name.splitToSequence(',').map { Pair(it.trim(), doc) }
else
sequenceOf(Pair(name, doc))
}.toMap()
val compatAttrs = elementCompatData?.additionalProperties?.entries?.asSequence()
?.filter { data -> !data.key.any { it == '_' || it == '-' } }
?.map {
val contents = DocContents(null, it.value)
Pair(it.key.lowercase(Locale.US),
Pair(extractStatus(contents), extractCompatibilityInfo(contents)))
}
?.toMap() ?: emptyMap()
val tagName = tagDir.name
val missing = ((compatAttrs.keys - docAttrs.keys)) - commonAttributes.keys
val fromGlobal = missing
.mapNotNull { id ->
val dir = File(attributesDir, id).takeIf { it.isDirectory }
val bcd = elementCompatData?.additionalProperties?.entries?.find { it.key.equals(id, true) }?.value
if (dir?.isDirectory == true) {
Pair(id, extractAttributeDocumentation(dir, bcd))
}
else null
}
val reallyMissing = missing.minus(fromGlobal.map { it.first }.toSet())
if (reallyMissing.isNotEmpty()) {
System.err.println("$tagName - missing attrs present in BCD: ${reallyMissing}")
}
val urlPrefix = getMdnDocsUrl(tagDir) + "#"
return docAttrs.keys.asSequence()
.plus(compatAttrs.keys).distinct()
.map { StringUtil.toLowerCase(it) }
.map {
val (doc, sections) = docAttrs[it].extractSvgAttributesSections()
Pair(it, MdnHtmlAttributeDocumentation(urlPrefix + it, compatAttrs[it]?.first, compatAttrs[it]?.second, doc, sections))
}
.plus(fromGlobal)
.sortedBy { it.first }
.toMap()
.takeIf { it.isNotEmpty() }
}
private fun processElementDocumentation(elementDoc: RawProse, summaryDoc: RawProse?): Pair<String, Map<String, String>> {
val sections = mutableMapOf<String, String>()
fun processPropertiesTable(table: XmlTag) {
table.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlTag(tag: XmlTag) {
if (tag.name == "tr") {
var title = ""
var content = ""
tag.subTags.forEach {
when (it.name) {
"th" -> title += it.innerHtml()
"td" -> content += it.innerHtml() + "\n"
}
}
sections[title.patchProse()] = content.patchProse()
}
else super.visitXmlTag(tag)
}
})
}
val htmlFile = createHtmlFile(elementDoc)
htmlFile.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlTag(tag: XmlTag) {
if (tag.name == "table" && tag.getAttributeValue("class") == "properties") {
processPropertiesTable(tag)
tag.delete()
}
else super.visitXmlTag(tag)
}
})
if (summaryDoc != null && htmlFile.firstChild.children.none { (it as? XmlTag)?.name == "p" }) {
return Pair(fixSpaces(htmlFile.patchedText() + createHtmlFile(summaryDoc).patchedText()), sections)
}
return Pair(fixSpaces(htmlFile.patchedText()), sections)
}
private val BRUSH_REGEX = Regex("brush: ?(js|html|css|xml|http)[a-z0-9-;\\[\\] ]*")
private fun createHtmlFile(contents: RawProse): HtmlFileImpl {
val htmlFile = PsiFileFactory.getInstance(project)
.createFileFromText("dummy.html", HTMLLanguage.INSTANCE, contents.content, false, true)
val toRemove = mutableSetOf<PsiElement>()
val codeBlocks = mutableSetOf<XmlTag>()
htmlFile.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlComment(comment: XmlComment) {
toRemove.add(comment)
}
override fun visitXmlTag(tag: XmlTag) {
if (tag.name == "pre"
&& tag.getAttributeValue("class")?.matches(BRUSH_REGEX) == true) {
tag.findSubTag("code")?.let { codeBlocks.add(tag) }
}
else if (tag.name == "span"
&& tag.getAttributeValue("class")?.trim() == "language-name") {
tag.children.filterTo(toRemove) { it is XmlText }
super.visitXmlTag(tag)
}
else if ((tag.getAttributeValue("class")?.contains("hidden", true) == true)
|| tag.getAttributeValue("id")
.let { it == "topExample" || it == "Exeemple" || it == "Example" || it == "Exemple" || it == "LiveSample" }
|| (tag.name == "span" && tag.getAttributeValue("class") == "notecard inline warning")
|| (tag.name == "p" && tag.innerHtml().trim().startsWith("The source for this interact"))
|| tag.name == "iframe"
|| tag.name == "img") {
toRemove.add(tag)
}
else if (tag.name == "svg") {
val cls = tag.getAttributeValue("class")
if (cls != null) {
when {
cls.contains("obsolete") -> "🗑"
cls.contains("deprecated") -> "👎"
cls.contains("non-standard") || cls.contains("icon-nonstandard") -> "⚠️"
cls.contains("experimental") -> "🧪"
else -> {
throw Exception("Unknown SVG class: $cls")
}
}.let {
tag.parentTag!!.addBefore(XmlElementFactory.getInstance(project).createDisplayText(it), tag)
}
}
else if (
// An SVG diagram
!tag.text.contains("height=\"25\" fill=\"#F4F7F8\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>"
)) {
throw Exception("SVG with no class: " + tag.text)
}
toRemove.add(tag)
}
else super.visitXmlTag(tag)
}
override fun visitXmlAttribute(attribute: XmlAttribute) {
if (attribute.name.let { it == "data-flaw-src" || it == "title" || it == "alt" }) {
toRemove.add(attribute)
}
else if (attribute.value?.let { it.contains(""") || it.contains("'") } == true) {
if (attribute.name.let { it == "id" || it == "style" }) {
toRemove.add(attribute)
}
else {
throw Exception("Entities: " + attribute.text)
}
}
}
})
toRemove.forEach { it.delete() }
removeEmptyTags(htmlFile)
codeBlocks.forEach(::processCodeBlock)
val text = fixSpaces(htmlFile.text)
if (text.contains("The source for this interact"))
throw Exception("Unhidden stuff!")
if (text.contains("class=\"token punctuation\""))
throw Exception("Code fragment")
return PsiFileFactory.getInstance(project)
.createFileFromText("dummy.html", HtmlFileType.INSTANCE, text, System.currentTimeMillis(), false, true)
as HtmlFileImpl
}
private fun removeEmptyTags(htmlFile: PsiFile) {
val toRemove = mutableSetOf<XmlTag>()
htmlFile.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlTag(tag: XmlTag) {
if (isEmptyTag(tag)) {
toRemove.add(tag)
}
else {
super.visitXmlTag(tag)
}
}
})
toRemove.forEach { it.delete() }
}
private fun processCodeBlock(tag: XmlTag) {
val language = BRUSH_REGEX
.matchEntire(tag.getAttributeValue("class")!!)!!
.groupValues[1]
val code = tag.findSubTag("code")
?.let { extractText(it) }
?.let { StringUtil.unescapeXmlEntities(it) }
val toReplace = if (tag.parent.let { it is XmlTag && it.getAttributeValue("class") == "code-example" })
tag.parent
else
tag
val parent = toReplace.parent
parent.addBefore(XmlElementFactory.getInstance(tag.project).createTagFromText(
"<div>\n```$language\n$code\n```\n</div>", HTMLLanguage.INSTANCE), toReplace)
toReplace.delete()
}
private fun extractText(tag: XmlTag): String {
val result = StringBuilder()
tag.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlText(text: XmlText) {
result.append(text.text.replace(' ', ' '))
}
})
return result.toString()
}
private fun extractPreText(tag: XmlTag): String {
val result = StringBuilder()
tag.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlText(text: XmlText) {
result.append(text.text.replace(' ', ' '))
}
override fun visitXmlTag(tag: XmlTag) {
if (tag.name == "br")
result.append("\n")
super.visitXmlTag(tag)
}
})
return result.toString()
}
private fun isEmptyTag(tag: XmlTag): Boolean =
tag.name.let { it != "br" && it != "hr" }
&& !tag.children.map {
(it is XmlAttribute && it.name != "class")
|| (it is XmlText && it.text.isNotBlank())
|| (it is XmlTag && !isEmptyTag(it))
}.any { it }
private fun extractParameters(sections: List<JsonObject>): Map<String, String>? =
extractFromDataList(sections, "parameters", "syntax")
private fun extractReturns(sections: List<JsonObject>): RawProse? =
sections.filterProseById("return_value").firstOrNull()
?.getProseContent()
private fun extractThrows(sections: List<JsonObject>): Map<String, String>? =
extractFromDataList(sections, "exceptions")
private fun extractPropertyValues(sections: List<JsonObject>): Map<String, String>? =
extractFromDataList(sections, "values")
private fun extractFromDataList(sections: List<JsonObject>, vararg ids: String): Map<String, String>? =
ids.asSequence()
.map { processDataList(sections.getProseContentById(it)) }
.filter { it.isNotEmpty() }
.firstOrNull()
?.mapValues { (_, doc) ->
doc.replace(Regex("\n{2,}"), "<br>")
.removeSuffix("<br>")
.patchProse()
}
private fun processDataList(doc: RawProse?): Map<String, String> {
val result = mutableMapOf<String, String>()
if (doc != null && doc.content.isNotBlank()) {
seePattern.matchEntire(doc.content)?.let {
return mapOf(SEE_REFERENCE to it.groupValues[1].lowercase(Locale.US))
}
var lastTitle = ""
createHtmlFile(doc)
.document?.children?.asSequence()
?.filterIsInstance<XmlTag>()
?.flatMap { if (it.name == "figure") it.subTags.asSequence() else sequenceOf(it) }
?.filter { it.name == "dl" || it.name == "table" }
?.flatMap { it.subTags.asSequence() }
?.flatMap { if (it.name == "tbody") it.subTags.asSequence() else sequenceOf(it) }
?.forEach { data ->
when (data.name) {
"dt" -> lastTitle = extractIdentifier(data)
"dd" -> if (lastTitle.isNotBlank()) result[lastTitle] = result.getOrDefault(lastTitle, "") + data.innerHtml()
"tr" -> {
val cells = data.findSubTags("td").filter {
val subTags = it.subTags
subTags.size != 1 || subTags[0].name != "img"
}
if (cells.size == 2) {
val title = extractIdentifier(cells[0])
if (title.isNotBlank()) result[title] = result.getOrDefault(title, "") + cells[1].innerHtml()
}
}
}
}
}
return result.asSequence().map { Pair(it.key.patchProse(), it.value.patchProse()) }.toMap()
}
@Suppress("RegExpDuplicateAlternationBranch")
private fun extractIdentifier(data: XmlTag): String {
val result = StringBuilder()
var ok = true
var stop = false
data.acceptChildren(object : XmlRecursiveElementVisitor() {
override fun visitXmlTag(tag: XmlTag) {
val tagName = tag.name
if (tagName == "br") {
result.append("{{br}}")
}
else if (tagName == "table") {
ok = false
}
else if (tagName != "span" || tag.getAttributeValue("class")
?.let { cls ->
cls.contains("badge")
|| cls.contains("inlineIndicator")
|| cls.contains("notecard")
} != true) {
super.visitXmlTag(tag)
}
else {
stop = true
}
}
override fun visitXmlText(text: XmlText) {
if (!stop) {
val infoIndex = text.text.indexOfAny(listOf("🗑", "👎", "⚠️", "🧪"))
if (infoIndex >= 0) {
stop = true
result.append(text.text.substring(0, infoIndex))
}
else {
result.append(text.text)
}
}
}
})
if (result.contains(">"))
throw Exception("Something went wrong!")
return if (ok)
result.toString().replace("{{br}}", "<br>").trim()
.let {
if (!it.contains("(") && it.length > 20)
it.replace(Regex("[,.]\\s+"), "<br>\n")
else
it
}
else ""
}
private fun extractStatus(contents: DocContents): Set<MdnApiStatus>? =
contents.getBcdMap()
.mapNotNull { it.value.compat?.status }
.let { statuses ->
setOfNotNull(
MdnApiStatus.Experimental.takeIf { statuses.all { it.experimental } },
MdnApiStatus.StandardTrack.takeIf { statuses.any { it.standardTrack } },
MdnApiStatus.Deprecated.takeIf { statuses.all { it.deprecated } },
)
}
.takeIf { it.isNotEmpty() }
private fun extractCompatibilityInfo(contents: DocContents): CompatibilityMap? =
contents.getBcdMap()
.mapNotNull { (id, data) ->
data.compat
?.support
?.additionalProperties
?.asSequence()
?.mapNotNull { entry ->
jsRuntimesMap[entry.key]?.let { runtime ->
Pair(runtime, entry.value?.let { extractBrowserVersion(runtime, it) })
}
}
?.toMap()
?.takeIf { map -> map.values.any { it == null || it.isNotEmpty() } }
?.filterValues { it != null }
?.let {
@Suppress("UNCHECKED_CAST")
Pair(if (id != defaultBcdContext) getBcdId(id) else id,
it.toMap(TreeMap()) as Map<MdnJavaScriptRuntime, String>)
}
}