From ca2d682d91ba6ad964d0a83da464bf206335d3be Mon Sep 17 00:00:00 2001
From: Thibaut Courouble <thibaut@me.com>
Date: Sat, 23 Apr 2016 10:15:08 -0400
Subject: [PATCH] Add SQL code highlighting in PostgreSQL documentation

---
 assets/javascripts/vendor/prism.js           | 19 ++++++++++++++++++-
 assets/javascripts/views/pages/simple.coffee |  1 +
 lib/docs/filters/postgresql/clean_html.rb    |  8 ++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/assets/javascripts/vendor/prism.js b/assets/javascripts/vendor/prism.js
index 9c0ead66..d99b401b 100644
--- a/assets/javascripts/vendor/prism.js
+++ b/assets/javascripts/vendor/prism.js
@@ -1,4 +1,4 @@
-/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript+c+cpp+coffeescript+ruby+elixir+go+lua+nginx+perl+php+python+rust+typescript */
+/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript+c+cpp+coffeescript+ruby+elixir+go+lua+nginx+perl+php+python+rust+sql+typescript */
 var _self = (typeof window !== 'undefined')
 	? window   // if in browser
 	: (
@@ -1364,6 +1364,23 @@ Prism.languages.rust = {
 	'punctuation': /[{}[\];(),:]|\.+|->/,
 	'operator': /[-+*\/%!^=]=?|@|&[&=]?|\|[|=]?|<<?=?|>>?=?/
 };
+Prism.languages.sql= {
+	'comment': {
+		pattern: /(^|[^\\])(?:\/\*[\w\W]*?\*\/|(?:--|\/\/|#).*)/,
+		lookbehind: true
+	},
+	'string' : {
+		pattern: /(^|[^@\\])("|')(?:\\?[\s\S])*?\2/,
+		lookbehind: true
+	},
+	'variable': /@[\w.$]+|@("|'|`)(?:\\?[\s\S])+?\1/,
+	'function': /\b(?:COUNT|SUM|AVG|MIN|MAX|FIRST|LAST|UCASE|LCASE|MID|LEN|ROUND|NOW|FORMAT)(?=\s*\()/i, // Should we highlight user defined functions too?
+	'keyword': /\b(?:ACTION|ADD|AFTER|ALGORITHM|ALL|ALTER|ANALYZE|ANY|APPLY|AS|ASC|AUTHORIZATION|BACKUP|BDB|BEGIN|BERKELEYDB|BIGINT|BINARY|BIT|BLOB|BOOL|BOOLEAN|BREAK|BROWSE|BTREE|BULK|BY|CALL|CASCADED?|CASE|CHAIN|CHAR VARYING|CHARACTER (?:SET|VARYING)|CHARSET|CHECK|CHECKPOINT|CLOSE|CLUSTERED|COALESCE|COLLATE|COLUMN|COLUMNS|COMMENT|COMMIT|COMMITTED|COMPUTE|CONNECT|CONSISTENT|CONSTRAINT|CONTAINS|CONTAINSTABLE|CONTINUE|CONVERT|CREATE|CROSS|CURRENT(?:_DATE|_TIME|_TIMESTAMP|_USER)?|CURSOR|DATA(?:BASES?)?|DATETIME|DBCC|DEALLOCATE|DEC|DECIMAL|DECLARE|DEFAULT|DEFINER|DELAYED|DELETE|DENY|DESC|DESCRIBE|DETERMINISTIC|DISABLE|DISCARD|DISK|DISTINCT|DISTINCTROW|DISTRIBUTED|DO|DOUBLE(?: PRECISION)?|DROP|DUMMY|DUMP(?:FILE)?|DUPLICATE KEY|ELSE|ENABLE|ENCLOSED BY|END|ENGINE|ENUM|ERRLVL|ERRORS|ESCAPE(?:D BY)?|EXCEPT|EXEC(?:UTE)?|EXISTS|EXIT|EXPLAIN|EXTENDED|FETCH|FIELDS|FILE|FILLFACTOR|FIRST|FIXED|FLOAT|FOLLOWING|FOR(?: EACH ROW)?|FORCE|FOREIGN|FREETEXT(?:TABLE)?|FROM|FULL|FUNCTION|GEOMETRY(?:COLLECTION)?|GLOBAL|GOTO|GRANT|GROUP|HANDLER|HASH|HAVING|HOLDLOCK|IDENTITY(?:_INSERT|COL)?|IF|IGNORE|IMPORT|INDEX|INFILE|INNER|INNODB|INOUT|INSERT|INT|INTEGER|INTERSECT|INTO|INVOKER|ISOLATION LEVEL|JOIN|KEYS?|KILL|LANGUAGE SQL|LAST|LEFT|LIMIT|LINENO|LINES|LINESTRING|LOAD|LOCAL|LOCK|LONG(?:BLOB|TEXT)|MATCH(?:ED)?|MEDIUM(?:BLOB|INT|TEXT)|MERGE|MIDDLEINT|MODIFIES SQL DATA|MODIFY|MULTI(?:LINESTRING|POINT|POLYGON)|NATIONAL(?: CHAR VARYING| CHARACTER(?: VARYING)?| VARCHAR)?|NATURAL|NCHAR(?: VARCHAR)?|NEXT|NO(?: SQL|CHECK|CYCLE)?|NONCLUSTERED|NULLIF|NUMERIC|OFF?|OFFSETS?|ON|OPEN(?:DATASOURCE|QUERY|ROWSET)?|OPTIMIZE|OPTION(?:ALLY)?|ORDER|OUT(?:ER|FILE)?|OVER|PARTIAL|PARTITION|PERCENT|PIVOT|PLAN|POINT|POLYGON|PRECEDING|PRECISION|PREV|PRIMARY|PRINT|PRIVILEGES|PROC(?:EDURE)?|PUBLIC|PURGE|QUICK|RAISERROR|READ(?:S SQL DATA|TEXT)?|REAL|RECONFIGURE|REFERENCES|RELEASE|RENAME|REPEATABLE|REPLICATION|REQUIRE|RESTORE|RESTRICT|RETURNS?|REVOKE|RIGHT|ROLLBACK|ROUTINE|ROW(?:COUNT|GUIDCOL|S)?|RTREE|RULE|SAVE(?:POINT)?|SCHEMA|SELECT|SERIAL(?:IZABLE)?|SESSION(?:_USER)?|SET(?:USER)?|SHARE MODE|SHOW|SHUTDOWN|SIMPLE|SMALLINT|SNAPSHOT|SOME|SONAME|START(?:ING BY)?|STATISTICS|STATUS|STRIPED|SYSTEM_USER|TABLES?|TABLESPACE|TEMP(?:ORARY|TABLE)?|TERMINATED BY|TEXT(?:SIZE)?|THEN|TIMESTAMP|TINY(?:BLOB|INT|TEXT)|TOP?|TRAN(?:SACTIONS?)?|TRIGGER|TRUNCATE|TSEQUAL|TYPES?|UNBOUNDED|UNCOMMITTED|UNDEFINED|UNION|UNIQUE|UNPIVOT|UPDATE(?:TEXT)?|USAGE|USE|USER|USING|VALUES?|VAR(?:BINARY|CHAR|CHARACTER|YING)|VIEW|WAITFOR|WARNINGS|WHEN|WHERE|WHILE|WITH(?: ROLLUP|IN)?|WORK|WRITE(?:TEXT)?)\b/i,
+	'boolean': /\b(?:TRUE|FALSE|NULL)\b/i,
+	'number': /\b-?(?:0x)?\d*\.?[\da-f]+\b/,
+	'operator': /[-+*\/=%^~]|&&?|\|?\||!=?|<(?:=>?|<|>)?|>[>=]?|\b(?:AND|BETWEEN|IN|LIKE|NOT|OR|IS|DIV|REGEXP|RLIKE|SOUNDS LIKE|XOR)\b/i,
+	'punctuation': /[;[\]()`,.]/
+};
 Prism.languages.typescript = Prism.languages.extend('javascript', {
 	'keyword': /\b(break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|false|finally|for|function|get|if|implements|import|in|instanceof|interface|let|new|null|package|private|protected|public|return|set|static|super|switch|this|throw|true|try|typeof|var|void|while|with|yield|module|declare|constructor|string|Function|any|number|boolean|Array|enum)\b/
 });
diff --git a/assets/javascripts/views/pages/simple.coffee b/assets/javascripts/views/pages/simple.coffee
index 516f9d76..ec3d0c0d 100644
--- a/assets/javascripts/views/pages/simple.coffee
+++ b/assets/javascripts/views/pages/simple.coffee
@@ -10,6 +10,7 @@ app.views.EmberPage =
 app.views.GoPage =
 app.views.MeteorPage =
 app.views.PerlPage =
+app.views.PostgresPage =
 app.views.RamdaPage =
 app.views.ReactPage =
 app.views.RethinkdbPage =
diff --git a/lib/docs/filters/postgresql/clean_html.rb b/lib/docs/filters/postgresql/clean_html.rb
index afdb8b68..cf2351c8 100644
--- a/lib/docs/filters/postgresql/clean_html.rb
+++ b/lib/docs/filters/postgresql/clean_html.rb
@@ -42,6 +42,14 @@ module Docs
           node.name = 'pre'
           node.content = node.content
         end
+
+        css('pre code', 'pre span').each do |node|
+          node.before(node.children).remove
+        end
+
+        css('pre.SYNOPSIS', 'pre.PROGRAMLISTING').each do |node|
+          node['data-language'] = 'sql'
+        end
       end
     end
   end