xhpeditor: refactor to make CM as component

Move codemirror to a folder to ease maintenance/update

Change-Id: Id1ec9451cc49bd305f53406dcfff8978bd639016
Reviewed-on: https://gerrit.libreoffice.org/c/dev-tools/+/88472
Tested-by: Olivier Hallot <olivier.hallot@libreoffice.org>
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

1 files changed, 275 insertions, 0 deletions

diff --git a/help3/xhpeditor/cm/mode/vb/vb.js b/help3/xhpeditor/cm/mode/vb/vb.js
new file mode 100644
index 00000000..6e4b4763
--- /dev/null
+++ b/help3/xhpeditor/cm/mode/vb/vb.js
@@ -0,0 +1,275 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://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";
+
+CodeMirror.defineMode("vb", function(conf, parserConf) {
+    var ERRORCLASS = 'error';
+
+    function wordRegexp(words) {
+        return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
+    }
+
+    var singleOperators = new RegExp("^[\\+\\-\\*/%&\\\\|\\^~<>!]");
+    var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]');
+    var doubleOperators = new RegExp("^((==)|(<>)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
+    var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
+    var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
+    var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
+
+    var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try', 'structure', 'synclock', 'using', 'with'];
+    var middleKeywords = ['else','elseif','case', 'catch', 'finally'];
+    var endKeywords = ['next','loop'];
+
+    var operatorKeywords = ['and', "andalso", 'or', 'orelse', 'xor', 'in', 'not', 'is', 'isnot', 'like'];
+    var wordOperators = wordRegexp(operatorKeywords);
+
+    var commonKeywords = ["#const", "#else", "#elseif", "#end", "#if", "#region", "addhandler", "addressof", "alias", "as", "byref", "byval", "cbool", "cbyte", "cchar", "cdate", "cdbl", "cdec", "cint", "clng", "cobj", "compare", "const", "continue", "csbyte", "cshort", "csng", "cstr", "cuint", "culng", "cushort", "declare", "default", "delegate", "dim", "directcast", "each", "erase", "error", "event", "exit", "explicit", "false", "for", "friend", "gettype", "goto", "handles", "implements", "imports", "infer", "inherits", "interface", "isfalse", "istrue", "lib", "me", "mod", "mustinherit", "mustoverride", "my", "mybase", "myclass", "namespace", "narrowing", "new", "nothing", "notinheritable", "notoverridable", "of", "off", "on", "operator", "option", "optional", "out", "overloads", "overridable", "overrides", "paramarray", "partial", "private", "protected", "public", "raiseevent", "readonly", "redim", "removehandler", "resume", "return", "shadows", "shared", "static", "step", "stop", "strict", "then", "throw", "to", "true", "trycast", "typeof", "until", "until", "when", "widening", "withevents", "writeonly"];
+
+    var commontypes = ['object', 'boolean', 'char', 'string', 'byte', 'sbyte', 'short', 'ushort', 'int16', 'uint16', 'integer', 'uinteger', 'int32', 'uint32', 'long', 'ulong', 'int64', 'uint64', 'decimal', 'single', 'double', 'float', 'date', 'datetime', 'intptr', 'uintptr'];
+
+    var keywords = wordRegexp(commonKeywords);
+    var types = wordRegexp(commontypes);
+    var stringPrefixes = '"';
+
+    var opening = wordRegexp(openingKeywords);
+    var middle = wordRegexp(middleKeywords);
+    var closing = wordRegexp(endKeywords);
+    var doubleClosing = wordRegexp(['end']);
+    var doOpening = wordRegexp(['do']);
+
+    var indentInfo = null;
+
+    CodeMirror.registerHelper("hintWords", "vb", openingKeywords.concat(middleKeywords).concat(endKeywords)
+                                .concat(operatorKeywords).concat(commonKeywords).concat(commontypes));
+
+    function indent(_stream, state) {
+      state.currentIndent++;
+    }
+
+    function dedent(_stream, state) {
+      state.currentIndent--;
+    }
+    // tokenizers
+    function tokenBase(stream, state) {
+        if (stream.eatSpace()) {
+            return null;
+        }
+
+        var ch = stream.peek();
+
+        // Handle Comments
+        if (ch === "'") {
+            stream.skipToEnd();
+            return 'comment';
+        }
+
+
+        // Handle Number Literals
+        if (stream.match(/^((&H)|(&O))?[0-9\.a-f]/i, false)) {
+            var floatLiteral = false;
+            // Floats
+            if (stream.match(/^\d*\.\d+F?/i)) { floatLiteral = true; }
+            else if (stream.match(/^\d+\.\d*F?/)) { floatLiteral = true; }
+            else if (stream.match(/^\.\d+F?/)) { floatLiteral = true; }
+
+            if (floatLiteral) {
+                // Float literals may be "imaginary"
+                stream.eat(/J/i);
+                return 'number';
+            }
+            // Integers
+            var intLiteral = false;
+            // Hex
+            if (stream.match(/^&H[0-9a-f]+/i)) { intLiteral = true; }
+            // Octal
+            else if (stream.match(/^&O[0-7]+/i)) { intLiteral = true; }
+            // Decimal
+            else if (stream.match(/^[1-9]\d*F?/)) {
+                // Decimal literals may be "imaginary"
+                stream.eat(/J/i);
+                // TODO - Can you have imaginary longs?
+                intLiteral = true;
+            }
+            // Zero by itself with no other piece of number.
+            else if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; }
+            if (intLiteral) {
+                // Integer literals may be "long"
+                stream.eat(/L/i);
+                return 'number';
+            }
+        }
+
+        // Handle Strings
+        if (stream.match(stringPrefixes)) {
+            state.tokenize = tokenStringFactory(stream.current());
+            return state.tokenize(stream, state);
+        }
+
+        // Handle operators and Delimiters
+        if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) {
+            return null;
+        }
+        if (stream.match(doubleOperators)
+            || stream.match(singleOperators)
+            || stream.match(wordOperators)) {
+            return 'operator';
+        }
+        if (stream.match(singleDelimiters)) {
+            return null;
+        }
+        if (stream.match(doOpening)) {
+            indent(stream,state);
+            state.doInCurrentLine = true;
+            return 'keyword';
+        }
+        if (stream.match(opening)) {
+            if (! state.doInCurrentLine)
+              indent(stream,state);
+            else
+              state.doInCurrentLine = false;
+            return 'keyword';
+        }
+        if (stream.match(middle)) {
+            return 'keyword';
+        }
+
+        if (stream.match(doubleClosing)) {
+            dedent(stream,state);
+            dedent(stream,state);
+            return 'keyword';
+        }
+        if (stream.match(closing)) {
+            dedent(stream,state);
+            return 'keyword';
+        }
+
+        if (stream.match(types)) {
+            return 'keyword';
+        }
+
+        if (stream.match(keywords)) {
+            return 'keyword';
+        }
+
+        if (stream.match(identifiers)) {
+            return 'variable';
+        }
+
+        // Handle non-detected items
+        stream.next();
+        return ERRORCLASS;
+    }
+
+    function tokenStringFactory(delimiter) {
+        var singleline = delimiter.length == 1;
+        var OUTCLASS = 'string';
+
+        return function(stream, state) {
+            while (!stream.eol()) {
+                stream.eatWhile(/[^'"]/);
+                if (stream.match(delimiter)) {
+                    state.tokenize = tokenBase;
+                    return OUTCLASS;
+                } else {
+                    stream.eat(/['"]/);
+                }
+            }
+            if (singleline) {
+                if (parserConf.singleLineStringErrors) {
+                    return ERRORCLASS;
+                } else {
+                    state.tokenize = tokenBase;
+                }
+            }
+            return OUTCLASS;
+        };
+    }
+
+
+    function tokenLexer(stream, state) {
+        var style = state.tokenize(stream, state);
+        var current = stream.current();
+
+        // Handle '.' connected identifiers
+        if (current === '.') {
+            style = state.tokenize(stream, state);
+            if (style === 'variable') {
+                return 'variable';
+            } else {
+                return ERRORCLASS;
+            }
+        }
+
+
+        var delimiter_index = '[({'.indexOf(current);
+        if (delimiter_index !== -1) {
+            indent(stream, state );
+        }
+        if (indentInfo === 'dedent') {
+            if (dedent(stream, state)) {
+                return ERRORCLASS;
+            }
+        }
+        delimiter_index = '])}'.indexOf(current);
+        if (delimiter_index !== -1) {
+            if (dedent(stream, state)) {
+                return ERRORCLASS;
+            }
+        }
+
+        return style;
+    }
+
+    var external = {
+        electricChars:"dDpPtTfFeE ",
+        startState: function() {
+            return {
+              tokenize: tokenBase,
+              lastToken: null,
+              currentIndent: 0,
+              nextLineIndent: 0,
+              doInCurrentLine: false
+
+
+          };
+        },
+
+        token: function(stream, state) {
+            if (stream.sol()) {
+              state.currentIndent += state.nextLineIndent;
+              state.nextLineIndent = 0;
+              state.doInCurrentLine = 0;
+            }
+            var style = tokenLexer(stream, state);
+
+            state.lastToken = {style:style, content: stream.current()};
+
+
+
+            return style;
+        },
+
+        indent: function(state, textAfter) {
+            var trueText = textAfter.replace(/^\s+|\s+$/g, '') ;
+            if (trueText.match(closing) || trueText.match(doubleClosing) || trueText.match(middle)) return conf.indentUnit*(state.currentIndent-1);
+            if(state.currentIndent < 0) return 0;
+            return state.currentIndent * conf.indentUnit;
+        },
+
+        lineComment: "'"
+    };
+    return external;
+});
+
+CodeMirror.defineMIME("text/x-vb", "vb");
+
+});