Added lint.

Signed-off-by: Dan Ungureanu <udan1107@gmail.com>

3 files changed, 316 insertions, 0 deletions

diff --git a/js/codemirror/addon/lint/lint.css b/js/codemirror/addon/lint/lint.css
new file mode 100644
index 0000000000..414a9a0e06
--- /dev/null
+++ b/js/codemirror/addon/lint/lint.css
@@ -0,0 +1,73 @@
+/* The lint marker gutter */
+.CodeMirror-lint-markers {
+  width: 16px;
+}
+
+.CodeMirror-lint-tooltip {
+  background-color: infobackground;
+  border: 1px solid black;
+  border-radius: 4px 4px 4px 4px;
+  color: infotext;
+  font-family: monospace;
+  font-size: 10pt;
+  overflow: hidden;
+  padding: 2px 5px;
+  position: fixed;
+  white-space: pre;
+  white-space: pre-wrap;
+  z-index: 100;
+  max-width: 600px;
+  opacity: 0;
+  transition: opacity .4s;
+  -moz-transition: opacity .4s;
+  -webkit-transition: opacity .4s;
+  -o-transition: opacity .4s;
+  -ms-transition: opacity .4s;
+}
+
+.CodeMirror-lint-mark-error, .CodeMirror-lint-mark-warning {
+  background-position: left bottom;
+  background-repeat: repeat-x;
+}
+
+.CodeMirror-lint-mark-error {
+  background-image:
+  url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJDw4cOCW1/KIAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAHElEQVQI12NggIL/DAz/GdA5/xkY/qPKMDAwAADLZwf5rvm+LQAAAABJRU5ErkJggg==")
+  ;
+}
+
+.CodeMirror-lint-mark-warning {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJFhQXEbhTg7YAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAMklEQVQI12NkgIIvJ3QXMjAwdDN+OaEbysDA4MPAwNDNwMCwiOHLCd1zX07o6kBVGQEAKBANtobskNMAAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-error, .CodeMirror-lint-marker-warning {
+  background-position: center center;
+  background-repeat: no-repeat;
+  cursor: pointer;
+  display: inline-block;
+  height: 16px;
+  width: 16px;
+  vertical-align: middle;
+  position: relative;
+}
+
+.CodeMirror-lint-message-error, .CodeMirror-lint-message-warning {
+  padding-left: 18px;
+  background-position: top left;
+  background-repeat: no-repeat;
+}
+
+.CodeMirror-lint-marker-error, .CodeMirror-lint-message-error {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAHlBMVEW7AAC7AACxAAC7AAC7AAAAAAC4AAC5AAD///+7AAAUdclpAAAABnRSTlMXnORSiwCK0ZKSAAAATUlEQVR42mWPOQ7AQAgDuQLx/z8csYRmPRIFIwRGnosRrpamvkKi0FTIiMASR3hhKW+hAN6/tIWhu9PDWiTGNEkTtIOucA5Oyr9ckPgAWm0GPBog6v4AAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-warning, .CodeMirror-lint-message-warning {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEX/uwDvrwD/uwD/uwD/uwD/uwD/uwD/uwD/uwD6twD/uwAAAADurwD2tQD7uAD+ugAAAAD/uwDhmeTRAAAADHRSTlMJ8mN1EYcbmiixgACm7WbuAAAAVklEQVR42n3PUQqAIBBFUU1LLc3u/jdbOJoW1P08DA9Gba8+YWJ6gNJoNYIBzAA2chBth5kLmG9YUoG0NHAUwFXwO9LuBQL1giCQb8gC9Oro2vp5rncCIY8L8uEx5ZkAAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-multiple {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADzjKfhAAAACVBMVEUAAAAAAAC/v7914kyHAAAAAXRSTlMAQObYZgAAACNJREFUeNo1ioEJAAAIwmz/H90iFFSGJgFMe3gaLZ0od+9/AQZ0ADosbYraAAAAAElFTkSuQmCC");
+  background-repeat: no-repeat;
+  background-position: right bottom;
+  width: 100%; height: 100%;
+}
diff --git a/js/codemirror/addon/lint/lint.js b/js/codemirror/addon/lint/lint.js
new file mode 100644
index 0000000000..5f407197a2
--- /dev/null
+++ b/js/codemirror/addon/lint/lint.js
@@ -0,0 +1,206 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+  var GUTTER_ID = "CodeMirror-lint-markers";
+
+  function showTooltip(e, content) {
+    var tt = document.createElement("div");
+    tt.className = "CodeMirror-lint-tooltip";
+    tt.appendChild(content.cloneNode(true));
+    document.body.appendChild(tt);
+
+    function position(e) {
+      if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position);
+      tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px";
+      tt.style.left = (e.clientX + 5) + "px";
+    }
+    CodeMirror.on(document, "mousemove", position);
+    position(e);
+    if (tt.style.opacity != null) tt.style.opacity = 1;
+    return tt;
+  }
+  function rm(elt) {
+    if (elt.parentNode) elt.parentNode.removeChild(elt);
+  }
+  function hideTooltip(tt) {
+    if (!tt.parentNode) return;
+    if (tt.style.opacity == null) rm(tt);
+    tt.style.opacity = 0;
+    setTimeout(function() { rm(tt); }, 600);
+  }
+
+  function showTooltipFor(e, content, node) {
+    var tooltip = showTooltip(e, content);
+    function hide() {
+      CodeMirror.off(node, "mouseout", hide);
+      if (tooltip) { hideTooltip(tooltip); tooltip = null; }
+    }
+    var poll = setInterval(function() {
+      if (tooltip) for (var n = node;; n = n.parentNode) {
+        if (n && n.nodeType == 11) n = n.host;
+        if (n == document.body) return;
+        if (!n) { hide(); break; }
+      }
+      if (!tooltip) return clearInterval(poll);
+    }, 400);
+    CodeMirror.on(node, "mouseout", hide);
+  }
+
+  function LintState(cm, options, hasGutter) {
+    this.marked = [];
+    this.options = options;
+    this.timeout = null;
+    this.hasGutter = hasGutter;
+    this.onMouseOver = function(e) { onMouseOver(cm, e); };
+  }
+
+  function parseOptions(_cm, options) {
+    if (options instanceof Function) return {getAnnotations: options};
+    if (!options || options === true) options = {};
+    return options;
+  }
+
+  function clearMarks(cm) {
+    var state = cm.state.lint;
+    if (state.hasGutter) cm.clearGutter(GUTTER_ID);
+    for (var i = 0; i < state.marked.length; ++i)
+      state.marked[i].clear();
+    state.marked.length = 0;
+  }
+
+  function makeMarker(labels, severity, multiple, tooltips) {
+    var marker = document.createElement("div"), inner = marker;
+    marker.className = "CodeMirror-lint-marker-" + severity;
+    if (multiple) {
+      inner = marker.appendChild(document.createElement("div"));
+      inner.className = "CodeMirror-lint-marker-multiple";
+    }
+
+    if (tooltips != false) CodeMirror.on(inner, "mouseover", function(e) {
+      showTooltipFor(e, labels, inner);
+    });
+
+    return marker;
+  }
+
+  function getMaxSeverity(a, b) {
+    if (a == "error") return a;
+    else return b;
+  }
+
+  function groupByLine(annotations) {
+    var lines = [];
+    for (var i = 0; i < annotations.length; ++i) {
+      var ann = annotations[i], line = ann.from.line;
+      (lines[line] || (lines[line] = [])).push(ann);
+    }
+    return lines;
+  }
+
+  function annotationTooltip(ann) {
+    var severity = ann.severity;
+    if (!severity) severity = "error";
+    var tip = document.createElement("div");
+    tip.className = "CodeMirror-lint-message-" + severity;
+    tip.appendChild(document.createTextNode(ann.message));
+    return tip;
+  }
+
+  function startLinting(cm) {
+    var state = cm.state.lint, options = state.options;
+    var passOptions = options.options || options; // Support deprecated passing of `options` property in options
+    var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
+    if (!getAnnotations) return;
+    if (options.async || getAnnotations.async)
+      getAnnotations(cm.getValue(), updateLinting, passOptions, cm);
+    else
+      updateLinting(cm, getAnnotations(cm.getValue(), passOptions, cm));
+  }
+
+  function updateLinting(cm, annotationsNotSorted) {
+    clearMarks(cm);
+    var state = cm.state.lint, options = state.options;
+
+    var annotations = groupByLine(annotationsNotSorted);
+
+    for (var line = 0; line < annotations.length; ++line) {
+      var anns = annotations[line];
+      if (!anns) continue;
+
+      var maxSeverity = null;
+      var tipLabel = state.hasGutter && document.createDocumentFragment();
+
+      for (var i = 0; i < anns.length; ++i) {
+        var ann = anns[i];
+        var severity = ann.severity;
+        if (!severity) severity = "error";
+        maxSeverity = getMaxSeverity(maxSeverity, severity);
+
+        if (options.formatAnnotation) ann = options.formatAnnotation(ann);
+        if (state.hasGutter) tipLabel.appendChild(annotationTooltip(ann));
+
+        if (ann.to) state.marked.push(cm.markText(ann.from, ann.to, {
+          className: "CodeMirror-lint-mark-" + severity,
+          __annotation: ann
+        }));
+      }
+
+      if (state.hasGutter)
+        cm.setGutterMarker(line, GUTTER_ID, makeMarker(tipLabel, maxSeverity, anns.length > 1,
+                                                       state.options.tooltips));
+    }
+    if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm);
+  }
+
+  function onChange(cm) {
+    var state = cm.state.lint;
+    if (!state) return;
+    clearTimeout(state.timeout);
+    state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay || 500);
+  }
+
+  function popupSpanTooltip(ann, e) {
+    var target = e.target || e.srcElement;
+    showTooltipFor(e, annotationTooltip(ann), target);
+  }
+
+  function onMouseOver(cm, e) {
+    var target = e.target || e.srcElement;
+    if (!/\bCodeMirror-lint-mark-/.test(target.className)) return;
+    var box = target.getBoundingClientRect(), x = (box.left + box.right) / 2, y = (box.top + box.bottom) / 2;
+    var spans = cm.findMarksAt(cm.coordsChar({left: x, top: y}, "client"));
+    for (var i = 0; i < spans.length; ++i) {
+      var ann = spans[i].__annotation;
+      if (ann) return popupSpanTooltip(ann, e);
+    }
+  }
+
+  CodeMirror.defineOption("lint", false, function(cm, val, old) {
+    if (old && old != CodeMirror.Init) {
+      clearMarks(cm);
+      cm.off("change", onChange);
+      CodeMirror.off(cm.getWrapperElement(), "mouseover", cm.state.lint.onMouseOver);
+      clearTimeout(cm.state.lint.timeout);
+      delete cm.state.lint;
+    }
+
+    if (val) {
+      var gutters = cm.getOption("gutters"), hasLintGutter = false;
+      for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true;
+      var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter);
+      cm.on("change", onChange);
+      if (state.options.tooltips != false)
+        CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver);
+
+      startLinting(cm);
+    }
+  });
+});
diff --git a/js/codemirror/addon/lint/sql-lint.js b/js/codemirror/addon/lint/sql-lint.js
new file mode 100644
index 0000000000..557d3a478c
--- /dev/null
+++ b/js/codemirror/addon/lint/sql-lint.js
@@ -0,0 +1,37 @@
+CodeMirror.sqlLint = function(text, updateLinting, options, cm) {
+
+    // Skipping check if text box is empty.
+    if(text.trim() == "") {
+        updateLinting(cm, []);
+        return;
+    }
+
+    function handleResponse(json) {
+        response = JSON.parse(json);
+
+        var found = [];
+        for (var idx in response) {
+            found.push({
+                from: CodeMirror.Pos(
+                    response[idx].fromLine, response[idx].fromColumn
+                ),
+                to: CodeMirror.Pos(
+                    response[idx].toLine, response[idx].toColumn
+                ),
+                message: response[idx].message,
+                severity : response[idx].severity
+            });
+        }
+
+        updateLinting(cm, found);
+    }
+
+    $.ajax({
+        method: "POST",
+        url: "lint.php",
+        data: {
+            'sql_query': text
+        },
+        success: handleResponse
+    });
+}