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diff --git a/src/lsp/util/find.ts b/src/lsp/util/find.ts
index 17b6a127654ae8b748941e828167512078286361..800d0a3ce5dd1d133e5dfb1e246faac7abf1ca1c 100644
--- a/src/lsp/util/find.ts
+++ b/src/lsp/util/find.ts
@@ -1,6 +1,11 @@
import { TextDocument, Range, Position } from 'vscode-languageserver'
-import { DocumentClassName, DocumentClassList } from './state'
+import { DocumentClassName, DocumentClassList, State } from './state'
import lineColumn from 'line-column'
+import { isCssContext } from './css'
+import { isHtmlContext } from './html'
+import { isWithinRange } from './isWithinRange'
+import { isJsContext } from './js'
+import { getClassAttributeLexer } from './lexers'
export function findAll(re: RegExp, str: string): RegExpMatchArray[] {
let match: RegExpMatchArray
@@ -19,62 +24,12 @@ }
return matches[matches.length - 1]
}
-export function arrFindLast<T>(arr: T[], predicate: (item: T) => boolean): T {
- for (let i = arr.length - 1; i >= 0; --i) {
- const x = arr[i]
- if (predicate(x)) {
- return x
- }
- }
- return null
-}
-
-enum Quote {
- SINGLE = "'",
- DOUBLE = '"',
- TICK = '`',
-}
-type StringInfo = {
- start: number
- end?: number
- char: Quote
-}
-
-export function findJsxStrings(str: string): StringInfo[] {
- const chars = str.split('')
- const strings: StringInfo[] = []
- let bracketCount = 0
- for (let i = 0; i < chars.length; i++) {
- const char = chars[i]
- if (char === '{') {
- bracketCount += 1
- } else if (char === '}') {
- bracketCount -= 1
- } else if (
- char === Quote.SINGLE ||
- char === Quote.DOUBLE ||
- char === Quote.TICK
- ) {
- let open = arrFindLast(strings, (string) => string.char === char)
- if (strings.length === 0 || !open || (open && open.end)) {
- strings.push({ start: i + 1, char })
- } else {
- open.end = i
- }
- }
- if (i !== 0 && bracketCount === 0) {
- // end
- break
- }
- }
- return strings
-}
-
export function findClassNamesInRange(
doc: TextDocument,
- range?: Range
+ range?: Range,
+ mode?: 'html' | 'css'
): DocumentClassName[] {
- const classLists = findClassListsInRange(doc, range)
+ const classLists = findClassListsInRange(doc, range, mode)
return [].concat.apply(
[],
classLists.map(({ classList, range }) => {
@@ -109,7 +64,7 @@ })
)
}
-export function findClassListsInRange(
+export function findClassListsInCssRange(
doc: TextDocument,
range?: Range
): DocumentClassList[] {
@@ -139,7 +94,146 @@ }
})
}
+export function findClassListsInHtmlRange(
+ doc: TextDocument,
+ range: Range
+): DocumentClassList[] {
+ const text = doc.getText(range)
+ const matches = findAll(/[\s:]class(?:Name)?=['"`{]/g, text)
+ const result: DocumentClassList[] = []
+
+ matches.forEach((match) => {
+ const subtext = text.substr(match.index + match[0].length - 1, 200)
+
+ let lexer = getClassAttributeLexer()
+ lexer.reset(subtext)
+
+ let classLists: { value: string; offset: number }[] = []
+ let token: moo.Token
+ let currentClassList: { value: string; offset: number }
+
+ try {
+ for (let token of lexer) {
+ if (token.type === 'classlist') {
+ if (currentClassList) {
+ currentClassList.value += token.value
+ } else {
+ currentClassList = {
+ value: token.value,
+ offset: token.offset,
+ }
+ }
+ } else {
+ if (currentClassList) {
+ classLists.push({
+ value: currentClassList.value,
+ offset: currentClassList.offset,
+ })
+ }
+ currentClassList = undefined
+ }
+ }
+ } catch (_) {}
+
+ if (currentClassList) {
+ classLists.push({
+ value: currentClassList.value,
+ offset: currentClassList.offset,
+ })
+ }
+
+ result.push(
+ ...classLists
+ .map(({ value, offset }) => {
+ if (value.trim() === '') {
+ return null
+ }
+
+ const before = value.match(/^\s*/)
+ const beforeOffset = before === null ? 0 : before[0].length
+ const after = value.match(/\s*$/)
+ const afterOffset = after === null ? 0 : -after[0].length
+
+ const start = indexToPosition(
+ text,
+ match.index + match[0].length - 1 + offset + beforeOffset
+ )
+ const end = indexToPosition(
+ text,
+ match.index +
+ match[0].length -
+ 1 +
+ offset +
+ value.length +
+ afterOffset
+ )
+
+ return {
+ classList: value,
+ range: {
+ start: {
+ line: range.start.line + start.line,
+ character: range.start.character + start.character,
+ },
+ end: {
+ line: range.start.line + end.line,
+ character: range.start.character + end.character,
+ },
+ },
+ }
+ })
+ .filter((x) => x !== null)
+ )
+ })
+
+ return result
+}
+
+export function findClassListsInRange(
+ doc: TextDocument,
+ range: Range,
+ mode: 'html' | 'css'
+): DocumentClassList[] {
+ if (mode === 'css') {
+ return findClassListsInCssRange(doc, range)
+ }
+ return findClassListsInHtmlRange(doc, range)
+}
+
function indexToPosition(str: string, index: number): Position {
const { line, col } = lineColumn(str + '\n', index)
return { line: line - 1, character: col - 1 }
}
+
+export function findClassNameAtPosition(
+ state: State,
+ doc: TextDocument,
+ position: Position
+): DocumentClassName {
+ let classNames = []
+ const searchRange = {
+ start: { line: Math.max(position.line - 10, 0), character: 0 },
+ end: { line: position.line + 10, character: 0 },
+ }
+
+ if (isCssContext(state, doc, position)) {
+ classNames = findClassNamesInRange(doc, searchRange, 'css')
+ } else if (
+ isHtmlContext(state, doc, position) ||
+ isJsContext(state, doc, position)
+ ) {
+ classNames = findClassNamesInRange(doc, searchRange, 'html')
+ }
+
+ if (classNames.length === 0) {
+ return null
+ }
+
+ const className = classNames.find(({ range }) =>
+ isWithinRange(position, range)
+ )
+
+ if (!className) return null
+
+ return className
+}
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