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Add ES|QL language support and move hl theme over to theme colors (#519)
* Add ES|QL language support and move hl theme over to theme colors * Add Painless language support (#521)
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‎docs/testing/custom-highlighters.md

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}
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```
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````
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::::
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## EQL
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modulo(10, 6)
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modulo(10, 5)
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modulo(10, 0.5)
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```
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## ESQL
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```esql
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FROM employees
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| LIMIT 1000
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```
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```esql
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ROW a = "2023-01-23T12:15:00.000Z - some text - 127.0.0.1"
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| DISSECT a """%{date} - %{msg} - %{ip}"""
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| KEEP date, msg, ip
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```
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```esql
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FROM books
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| WHERE KQL("author: Faulkner")
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| KEEP book_no, author
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| SORT book_no
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| LIMIT 5
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```
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```esql
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FROM hosts
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| STATS COUNT_DISTINCT(ip0), COUNT_DISTINCT(ip1)
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```
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```esql
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ROW message = "foo ( bar"
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| WHERE message RLIKE "foo \\( bar"
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```
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```esql
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FROM books
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| WHERE author:"Faulkner"
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| KEEP book_no, author
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| SORT book_no
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| LIMIT 5;
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```
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## Painless
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```painless
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int i = (int)5L;
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Map m = new HashMap();
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HashMap hm = (HashMap)m;
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```
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```painless
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ZonedDateTime zdt1 =
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ZonedDateTime.of(1983, 10, 13, 22, 15, 30, 0, ZoneId.of('Z'));
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ZonedDateTime zdt2 =
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ZonedDateTime.of(1983, 10, 17, 22, 15, 35, 0, ZoneId.of('Z'));
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if (zdt1.isAfter(zdt2)) {
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// handle condition
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}
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```
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```painless
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if (doc.containsKey('start') && doc.containsKey('end')) {
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if (doc['start'].size() > 0 && doc['end'].size() > 0) {
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ZonedDateTime start = doc['start'].value;
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ZonedDateTime end = doc['end'].value;
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long differenceInMillis = ChronoUnit.MILLIS.between(start, end);
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// handle difference in times
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} else {
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// handle fields without values
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}
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} else {
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// handle index with missing fields
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}
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```

‎src/Elastic.Markdown/Assets/hljs.ts

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@@ -43,7 +43,6 @@ const NUMBER = {
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relevance: 0
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};
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hljs.registerLanguage('eql', function() {
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return {
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case_insensitive: true, // language is case-insensitive
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}
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})
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hljs.registerLanguage('painless', function() {
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return {
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case_insensitive: true, // language is case-insensitive
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keywords: {
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keyword: 'where sequence sample untill and or not in in~',
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literal: ['false','true','null'],
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'subst': 'add between cidrMatch concat divide endsWith indexOf length modulo multiply number startsWith string stringContains substring subtract'
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},
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contains: [
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hljs.QUOTE_STRING_MODE,
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hljs.C_LINE_COMMENT_MODE,
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{
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scope: "operator", // (pathname: path1/path2/dothis) color #ab5656
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match: /(?:<|<=|==|:|!=|>=|>|like~?|regex~?)/,
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},
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{
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scope: "punctuation", // (pathname: path1/path2/dothis) color #ab5656
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match: /(?:!?\[|\]|\|)/,
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},
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NUMBER,
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]
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}
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})
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hljs.registerLanguage('esql', function() {
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return {
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case_insensitive: true, // language is case-insensitive
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keywords: {
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keyword: 'FROM ROW SHOW DISSECT DROP ENRICH EVAL GROK KEEP LIMIT RENAME SORT STATS WHERE METADATA',
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literal: ['false','true','null'],
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function: [
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// aggregate
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"AVG", "COUNT", "COUNT_DISTINCT", "MAX", "MEDIAN", "MEDIAN_ABSOLUTE_DEVIATION", "MIN",
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"PERCENTILE", "SUM", "TOP", "VALUES", "WEIGHTED_AVG", "BUCKET",
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// conditional
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"CASE", "COALESCE", "GREATEST", "LEAST",
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//Date
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"DATE_DIFF", "DATE_EXTRACT", "DATE_FORMAT", "DATE_PARSE", "DATE_TRUNC", "NOW",
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//ip
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"CIDR_MATCH", "IP_PREFIX",
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//math
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"ABS", "ACOS", "ASIN", "ATAN", "ATAN2", "CBRT", "CEIL", "COS", "COSH", "E", "EXP", "FLOOR",
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"HYPOT", "LOG", "LOG10", "PI", "POW", "ROUND", "SIGNUM", "SIN", "SINH", "SQRT", "TAN",
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"TANH", "TAU",
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//search
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"MATCH", "QSTR",
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//spatial
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"ST_DISTANCE", "ST_INTERSECTS", "ST_DISJOINT", "ST_CONTAINS", "ST_WITHIN", "ST_X", "ST_Y",
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//string
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"BIT_LENGTH", "BYTE_LENGTH", "CONCAT", "ENDS_WITH", "FROM_BASE64", "LEFT", "LENGTH", "LOCATE",
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"LTRIM", "REPEAT", "REPLACE", "REVERSE", "RIGHT", "RTRIM", "SPACE", "SPLIT", "STARTS_WITH",
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"SUBSTRING", "TO_BASE64", "TO_LOWER", "TO_UPPER", "TRIM",
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//type conversion
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"TO_BOOLEAN", "TO_CARTESIANPOINT", "TO_CARTESIANSHAPE", "TO_DATETIME", "TO_DEGREES",
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"TO_DOUBLE", "TO_GEOPOINT", "TO_GEOSHAPE", "TO_INTEGER", "TO_IP", "TO_LONG", "TO_RADIANS",
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"TO_STRING", "TO_VERSION",
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//multivalued
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"MV_APPEND", "MV_AVG", "MV_CONCAT", "MV_COUNT", "MV_DEDUPE", "MV_FIRST", "MV_LAST", "MV_MAX",
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"MV_MEDIAN", "MV_MEDIAN_ABSOLUTE_DEVIATION", "MV_MIN", "MV_PERCENTILE", "MV_PSERIES_WEIGHTED_SUM",
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"MV_SORT", "MV_SLICE", "MV_SUM", "MV_ZIP",
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"KQL"
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]
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},
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contains: [
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hljs.QUOTE_STRING_MODE,
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hljs.C_LINE_COMMENT_MODE,
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{
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scope: "operator", // (pathname: path1/path2/dothis) color #ab5656
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match: /(?:<|<=|==|::|\w+:|!=|>=|>|LIKE|RLIKE|IS NULL|IS NOT NULL)/,
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},
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{
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scope: "punctuation", // (pathname: path1/path2/dothis) color #ab5656
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match: /(?:!?\[|\]|\|)/,
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},
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NUMBER,
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]
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}
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})
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hljs.addPlugin(mergeHTMLPlugin);
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export function initHighlight() {
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‎src/Elastic.Markdown/Assets/markdown/code.css

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text-decoration: inherit;
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font-weight: inherit;
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}
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.hljs-built_in,
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.hljs-selector-tag,
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.hljs-section,
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.hljs-link {
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color: var(--color-blue-elastic-70)
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}
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.hljs-keyword {
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color: var(--color-blue-elastic-70)
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}
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.hljs {
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color: var(--color-blue-elastic-30) !important;
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}
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.hljs-subst {
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color: var(--color-purple-60)
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}
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.hljs-function {
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color: var(--color-purple-60)
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}
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.hljs-title,
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.hljs-title.function,
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.hljs-attr,
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.hljs-meta-keyword {
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color: var(--color-yellow-50)
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}
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.hljs-string {
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color: var(--color-green-50)
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}
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.hljs-operator {
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color: var(--color-yellow-50)
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}
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.hljs-meta,
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.hljs-name,
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.hljs-bullet,
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.hljs-addition,
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.hljs-template-tag,
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.hljs-template-variable {
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color: var(--color-yellow-50)
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}
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.hljs-type,
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.hljs-symbol {
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color: var(--color-teal-50)
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}
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.hljs-variable {
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color: var(--color-purple-50)
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}
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.hljs-comment,
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.hljs-quote,
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.hljs-deletion {
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color: var(--color-grey-70)
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}
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.hljs-punctuation {
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color: var(--color-grey-50);
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font-weight: bold;
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}
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.hljs-keyword,
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.hljs-selector-tag,
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.hljs-literal,
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.hljs-title,
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.hljs-section,
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.hljs-doctag,
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.hljs-type,
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.hljs-name,
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.hljs-strong {
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font-weight: bold;
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}
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.hljs-literal {
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color: var(--color-pink-50)
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}
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.hljs-number {
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color: var(--color-red-50)
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}
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.hljs-emphasis {
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font-style: italic;
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}
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}

‎src/Elastic.Markdown/Assets/styles.css

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@import "tailwindcss";
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@import "./fonts.css";
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@import "./theme.css";
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@import "highlight.js/styles/github-dark-dimmed.css";
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@import "./markdown/typography.css";
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@import "./markdown/list.css";
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@import "./markdown/tabs.css";

‎src/Elastic.Markdown/Myst/CodeBlocks/EnhancedCodeBlockParser.cs

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"console-response" => "json",
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"console-result" => "json",
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"terminal" => "bash",
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"painless" => "java",
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_ => codeBlock.Language
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};
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if (!string.IsNullOrEmpty(codeBlock.Language) && !CodeBlock.Languages.Contains(codeBlock.Language))

‎src/Elastic.Markdown/Myst/CodeBlocks/SupportedLanguages.cs

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{ "zephir", "zep" }, // Zephir
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//CUSTOM, Elastic language we wrote highlighters for
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{ "eql", "" }
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{ "eql", "" },
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{ "esql", "" }
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};
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