Caret/js/ace/mode-xml.js
2014-03-19 20:08:47 -07:00

967 lines
34 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
ace.define('ace/mode/xml', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/xml_highlight_rules', 'ace/mode/behaviour/xml', 'ace/mode/folding/xml'], function(require, exports, module) {
var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var XmlHighlightRules = require("./xml_highlight_rules").XmlHighlightRules;
var XmlBehaviour = require("./behaviour/xml").XmlBehaviour;
var XmlFoldMode = require("./folding/xml").FoldMode;
var Mode = function() {
this.HighlightRules = XmlHighlightRules;
this.$behaviour = new XmlBehaviour();
this.foldingRules = new XmlFoldMode();
};
oop.inherits(Mode, TextMode);
(function() {
this.blockComment = {start: "<!--", end: "-->"};
this.$id = "ace/mode/xml";
}).call(Mode.prototype);
exports.Mode = Mode;
});
ace.define('ace/mode/xml_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/xml_util', 'ace/mode/text_highlight_rules'], function(require, exports, module) {
var oop = require("../lib/oop");
var xmlUtil = require("./xml_util");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var XmlHighlightRules = function(normalize) {
this.$rules = {
start : [
{token : "punctuation.string.begin", regex : "<\\!\\[CDATA\\[", next : "cdata"},
{
token : ["punctuation.instruction.begin", "keyword.instruction"],
regex : "(<\\?)(xml)(?=[\\s])", next : "xml_declaration"
},
{
token : ["punctuation.instruction.begin", "keyword.instruction"],
regex : "(<\\?)([-_a-zA-Z0-9]+)", next : "instruction"
},
{token : "comment", regex : "<\\!--", next : "comment"},
{
token : ["punctuation.doctype.begin", "meta.tag.doctype"],
regex : "(<\\!)(DOCTYPE)(?=[\\s])", next : "doctype"
},
{include : "tag"},
{include : "reference"}
],
xml_declaration : [
{include : "attributes"},
{include : "instruction"}
],
instruction : [
{token : "punctuation.instruction.end", regex : "\\?>", next : "start"}
],
doctype : [
{include : "space"},
{include : "string"},
{token : "punctuation.doctype.end", regex : ">", next : "start"},
{token : "xml-pe", regex : "[-_a-zA-Z0-9:]+"},
{token : "punctuation.begin", regex : "\\[", push : "declarations"}
],
declarations : [{
token : "text",
regex : "\\s+"
}, {
token: "punctuation.end",
regex: "]",
next: "pop"
}, {
token : ["punctuation.begin", "keyword"],
regex : "(<\\!)([-_a-zA-Z0-9]+)",
push : [{
token : "text",
regex : "\\s+"
},
{
token : "punctuation.end",
regex : ">",
next : "pop"
},
{include : "string"}]
}],
cdata : [
{token : "string.end", regex : "\\]\\]>", next : "start"},
{token : "text", regex : "\\s+"},
{token : "text", regex : "(?:[^\\]]|\\](?!\\]>))+"}
],
comment : [
{token : "comment", regex : "-->", next : "start"},
{defaultToken : "comment"}
],
tag : [{
token : ["meta.tag.punctuation.begin", "meta.tag.name"],
regex : "(<)((?:[-_a-zA-Z0-9]+:)?[-_a-zA-Z0-9]+)",
next: [
{include : "attributes"},
{token : "meta.tag.punctuation.end", regex : "/?>", next : "start"}
]
}, {
token : ["meta.tag.punctuation.begin", "meta.tag.name"],
regex : "(</)((?:[-_a-zA-Z0-9]+:)?[-_a-zA-Z0-9]+)",
next: [
{include : "space"},
{token : "meta.tag.punctuation.end", regex : ">", next : "start"}
]
}],
space : [
{token : "text", regex : "\\s+"}
],
reference : [{
token : "constant.language.escape",
regex : "(?:&#[0-9]+;)|(?:&#x[0-9a-fA-F]+;)|(?:&[a-zA-Z0-9_:\\.-]+;)"
}, {
token : "text", regex : "&"
}],
string: [{
token : "string",
regex : "'",
push : "qstring_inner"
}, {
token : "string",
regex : '"',
push : "qqstring_inner"
}],
qstring_inner: [
{token : "string", regex: "'", next: "pop"},
{include : "reference"},
{defaultToken : "string"}
],
qqstring_inner: [
{token : "string", regex: '"', next: "pop"},
{include : "reference"},
{defaultToken : "string"}
],
attributes: [{
token : "entity.other.attribute-name",
regex : "(?:[-_a-zA-Z0-9]+:)?[-_a-zA-Z0-9]+"
}, {
token : "keyword.operator.separator",
regex : "="
}, {
include : "space"
}, {
include : "string"
}]
};
if (this.constructor === XmlHighlightRules)
this.normalizeRules();
};
(function() {
this.embedTagRules = function(HighlightRules, prefix, tag){
this.$rules.tag.unshift({
token : ["meta.tag.punctuation.begin", "meta.tag.name." + tag],
regex : "(<)(" + tag + ")",
next: [
{include : "space"},
{include : "attributes"},
{token : "meta.tag.punctuation.end", regex : "/?>", next : prefix + "start"}
]
});
this.$rules[tag + "-end"] = [
{include : "space"},
{token : "meta.tag.punctuation.end", regex : ">", next: "start",
onMatch : function(value, currentState, stack) {
stack.splice(0);
return this.token;
}}
]
this.embedRules(HighlightRules, prefix, [{
token: ["meta.tag.punctuation.begin", "meta.tag.name." + tag],
regex : "(</)(" + tag + ")",
next: tag + "-end"
}, {
token: "string.begin",
regex : "<\\!\\[CDATA\\["
}, {
token: "string.end",
regex : "\\]\\]>"
}]);
};
}).call(TextHighlightRules.prototype);
oop.inherits(XmlHighlightRules, TextHighlightRules);
exports.XmlHighlightRules = XmlHighlightRules;
});
ace.define('ace/mode/xml_util', ['require', 'exports', 'module' ], function(require, exports, module) {
function string(state) {
return [{
token : "string",
regex : '"',
next : state + "_qqstring"
}, {
token : "string",
regex : "'",
next : state + "_qstring"
}];
}
function multiLineString(quote, state) {
return [
{token : "string", regex : quote, next : state},
{
token : "constant.language.escape",
regex : "(?:&#[0-9]+;)|(?:&#x[0-9a-fA-F]+;)|(?:&[a-zA-Z0-9_:\\.-]+;)"
},
{defaultToken : "string"}
];
}
exports.tag = function(states, name, nextState, tagMap) {
states[name] = [{
token : "text",
regex : "\\s+"
}, {
token : !tagMap ? "meta.tag.tag-name" : function(value) {
if (tagMap[value])
return "meta.tag.tag-name." + tagMap[value];
else
return "meta.tag.tag-name";
},
regex : "[-_a-zA-Z0-9:]+",
next : name + "_embed_attribute_list"
}, {
token: "empty",
regex: "",
next : name + "_embed_attribute_list"
}];
states[name + "_qstring"] = multiLineString("'", name + "_embed_attribute_list");
states[name + "_qqstring"] = multiLineString("\"", name + "_embed_attribute_list");
states[name + "_embed_attribute_list"] = [{
token : "meta.tag.r",
regex : "/?>",
next : nextState
}, {
token : "keyword.operator",
regex : "="
}, {
token : "entity.other.attribute-name",
regex : "[-_a-zA-Z0-9:]+"
}, {
token : "constant.numeric", // float
regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
}, {
token : "text",
regex : "\\s+"
}].concat(string(name));
};
});
ace.define('ace/mode/behaviour/xml', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/behaviour', 'ace/mode/behaviour/cstyle', 'ace/token_iterator'], function(require, exports, module) {
var oop = require("../../lib/oop");
var Behaviour = require("../behaviour").Behaviour;
var CstyleBehaviour = require("./cstyle").CstyleBehaviour;
var TokenIterator = require("../../token_iterator").TokenIterator;
function hasType(token, type) {
var tokenTypes = token.type.split('.');
return type.split('.').every(function(type){
return (tokenTypes.indexOf(type) !== -1);
});
return hasType;
}
var XmlBehaviour = function () {
this.inherit(CstyleBehaviour, ["string_dquotes"]); // Get string behaviour
this.add("autoclosing", "insertion", function (state, action, editor, session, text) {
if (text == '>') {
var position = editor.getCursorPosition();
var iterator = new TokenIterator(session, position.row, position.column);
var token = iterator.getCurrentToken();
if (token && hasType(token, 'string') && iterator.getCurrentTokenColumn() + token.value.length > position.column)
return;
var atCursor = false;
if (!token || !hasType(token, 'meta.tag') && !(hasType(token, 'text') && token.value.match('/'))){
do {
token = iterator.stepBackward();
} while (token && (hasType(token, 'string') || hasType(token, 'keyword.operator') || hasType(token, 'entity.attribute-name') || hasType(token, 'text')));
} else {
atCursor = true;
}
if (!token || !hasType(token, 'meta.tag.name') || iterator.stepBackward().value.match('/')) {
return;
}
var tag = token.value;
if (atCursor){
var tag = tag.substring(0, position.column - token.start);
}
return {
text: '>' + '</' + tag + '>',
selection: [1, 1]
}
}
});
this.add('autoindent', 'insertion', function (state, action, editor, session, text) {
if (text == "\n") {
var cursor = editor.getCursorPosition();
var line = session.getLine(cursor.row);
var rightChars = line.substring(cursor.column, cursor.column + 2);
if (rightChars == '</') {
var next_indent = this.$getIndent(line);
var indent = next_indent + session.getTabString();
return {
text: '\n' + indent + '\n' + next_indent,
selection: [1, indent.length, 1, indent.length]
}
}
}
});
}
oop.inherits(XmlBehaviour, Behaviour);
exports.XmlBehaviour = XmlBehaviour;
});
ace.define('ace/mode/behaviour/cstyle', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/behaviour', 'ace/token_iterator', 'ace/lib/lang'], function(require, exports, module) {
var oop = require("../../lib/oop");
var Behaviour = require("../behaviour").Behaviour;
var TokenIterator = require("../../token_iterator").TokenIterator;
var lang = require("../../lib/lang");
var SAFE_INSERT_IN_TOKENS =
["text", "paren.rparen", "punctuation.operator"];
var SAFE_INSERT_BEFORE_TOKENS =
["text", "paren.rparen", "punctuation.operator", "comment"];
var context;
var contextCache = {}
var initContext = function(editor) {
var id = -1;
if (editor.multiSelect) {
id = editor.selection.id;
if (contextCache.rangeCount != editor.multiSelect.rangeCount)
contextCache = {rangeCount: editor.multiSelect.rangeCount};
}
if (contextCache[id])
return context = contextCache[id];
context = contextCache[id] = {
autoInsertedBrackets: 0,
autoInsertedRow: -1,
autoInsertedLineEnd: "",
maybeInsertedBrackets: 0,
maybeInsertedRow: -1,
maybeInsertedLineStart: "",
maybeInsertedLineEnd: ""
};
};
var CstyleBehaviour = function() {
this.add("braces", "insertion", function(state, action, editor, session, text) {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
if (text == '{') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
return {
text: '{' + selected + '}',
selection: false
};
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode) {
CstyleBehaviour.recordAutoInsert(editor, session, "}");
return {
text: '{}',
selection: [1, 1]
};
} else {
CstyleBehaviour.recordMaybeInsert(editor, session, "{");
return {
text: '{',
selection: [1, 1]
};
}
}
} else if (text == '}') {
initContext(editor);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == '}') {
var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
} else if (text == "\n" || text == "\r\n") {
initContext(editor);
var closing = "";
if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
CstyleBehaviour.clearMaybeInsertedClosing();
}
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar === '}') {
var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');
if (!openBracePos)
return null;
var next_indent = this.$getIndent(session.getLine(openBracePos.row));
} else if (closing) {
var next_indent = this.$getIndent(line);
} else {
CstyleBehaviour.clearMaybeInsertedClosing();
return;
}
var indent = next_indent + session.getTabString();
return {
text: '\n' + indent + '\n' + next_indent + closing,
selection: [1, indent.length, 1, indent.length]
};
} else {
CstyleBehaviour.clearMaybeInsertedClosing();
}
});
this.add("braces", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '{') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.end.column, range.end.column + 1);
if (rightChar == '}') {
range.end.column++;
return range;
} else {
context.maybeInsertedBrackets--;
}
}
});
this.add("parens", "insertion", function(state, action, editor, session, text) {
if (text == '(') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && editor.getWrapBehavioursEnabled()) {
return {
text: '(' + selected + ')',
selection: false
};
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
CstyleBehaviour.recordAutoInsert(editor, session, ")");
return {
text: '()',
selection: [1, 1]
};
}
} else if (text == ')') {
initContext(editor);
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == ')') {
var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
}
});
this.add("parens", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '(') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == ')') {
range.end.column++;
return range;
}
}
});
this.add("brackets", "insertion", function(state, action, editor, session, text) {
if (text == '[') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && editor.getWrapBehavioursEnabled()) {
return {
text: '[' + selected + ']',
selection: false
};
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
CstyleBehaviour.recordAutoInsert(editor, session, "]");
return {
text: '[]',
selection: [1, 1]
};
}
} else if (text == ']') {
initContext(editor);
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == ']') {
var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
}
});
this.add("brackets", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '[') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == ']') {
range.end.column++;
return range;
}
}
});
this.add("string_dquotes", "insertion", function(state, action, editor, session, text) {
if (text == '"' || text == "'") {
initContext(editor);
var quote = text;
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && selected !== "'" && selected != '"' && editor.getWrapBehavioursEnabled()) {
return {
text: quote + selected + quote,
selection: false
};
} else {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var leftChar = line.substring(cursor.column-1, cursor.column);
if (leftChar == '\\') {
return null;
}
var tokens = session.getTokens(selection.start.row);
var col = 0, token;
var quotepos = -1; // Track whether we're inside an open quote.
for (var x = 0; x < tokens.length; x++) {
token = tokens[x];
if (token.type == "string") {
quotepos = -1;
} else if (quotepos < 0) {
quotepos = token.value.indexOf(quote);
}
if ((token.value.length + col) > selection.start.column) {
break;
}
col += tokens[x].value.length;
}
if (!token || (quotepos < 0 && token.type !== "comment" && (token.type !== "string" || ((selection.start.column !== token.value.length+col-1) && token.value.lastIndexOf(quote) === token.value.length-1)))) {
if (!CstyleBehaviour.isSaneInsertion(editor, session))
return;
return {
text: quote + quote,
selection: [1,1]
};
} else if (token && token.type === "string") {
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == quote) {
return {
text: '',
selection: [1, 1]
};
}
}
}
}
});
this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && (selected == '"' || selected == "'")) {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == selected) {
range.end.column++;
return range;
}
}
});
};
CstyleBehaviour.isSaneInsertion = function(editor, session) {
var cursor = editor.getCursorPosition();
var iterator = new TokenIterator(session, cursor.row, cursor.column);
if (!this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS)) {
var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);
if (!this.$matchTokenType(iterator2.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS))
return false;
}
iterator.stepForward();
return iterator.getCurrentTokenRow() !== cursor.row ||
this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_BEFORE_TOKENS);
};
CstyleBehaviour.$matchTokenType = function(token, types) {
return types.indexOf(token.type || token) > -1;
};
CstyleBehaviour.recordAutoInsert = function(editor, session, bracket) {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))
context.autoInsertedBrackets = 0;
context.autoInsertedRow = cursor.row;
context.autoInsertedLineEnd = bracket + line.substr(cursor.column);
context.autoInsertedBrackets++;
};
CstyleBehaviour.recordMaybeInsert = function(editor, session, bracket) {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
if (!this.isMaybeInsertedClosing(cursor, line))
context.maybeInsertedBrackets = 0;
context.maybeInsertedRow = cursor.row;
context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;
context.maybeInsertedLineEnd = line.substr(cursor.column);
context.maybeInsertedBrackets++;
};
CstyleBehaviour.isAutoInsertedClosing = function(cursor, line, bracket) {
return context.autoInsertedBrackets > 0 &&
cursor.row === context.autoInsertedRow &&
bracket === context.autoInsertedLineEnd[0] &&
line.substr(cursor.column) === context.autoInsertedLineEnd;
};
CstyleBehaviour.isMaybeInsertedClosing = function(cursor, line) {
return context.maybeInsertedBrackets > 0 &&
cursor.row === context.maybeInsertedRow &&
line.substr(cursor.column) === context.maybeInsertedLineEnd &&
line.substr(0, cursor.column) == context.maybeInsertedLineStart;
};
CstyleBehaviour.popAutoInsertedClosing = function() {
context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);
context.autoInsertedBrackets--;
};
CstyleBehaviour.clearMaybeInsertedClosing = function() {
if (context) {
context.maybeInsertedBrackets = 0;
context.maybeInsertedRow = -1;
}
};
oop.inherits(CstyleBehaviour, Behaviour);
exports.CstyleBehaviour = CstyleBehaviour;
});
ace.define('ace/mode/folding/xml', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/lang', 'ace/range', 'ace/mode/folding/fold_mode', 'ace/token_iterator'], function(require, exports, module) {
var oop = require("../../lib/oop");
var lang = require("../../lib/lang");
var Range = require("../../range").Range;
var BaseFoldMode = require("./fold_mode").FoldMode;
var TokenIterator = require("../../token_iterator").TokenIterator;
var FoldMode = exports.FoldMode = function(voidElements) {
BaseFoldMode.call(this);
this.voidElements = voidElements || {};
};
oop.inherits(FoldMode, BaseFoldMode);
(function() {
this.getFoldWidget = function(session, foldStyle, row) {
var tag = this._getFirstTagInLine(session, row);
if (tag.closing)
return foldStyle == "markbeginend" ? "end" : "";
if (!tag.tagName || this.voidElements[tag.tagName.toLowerCase()])
return "";
if (tag.selfClosing)
return "";
if (tag.value.indexOf("/" + tag.tagName) !== -1)
return "";
return "start";
};
this._getFirstTagInLine = function(session, row) {
var tokens = session.getTokens(row);
var value = "";
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i];
if (token.type.lastIndexOf("meta.tag", 0) === 0)
value += token.value;
else
value += lang.stringRepeat(" ", token.value.length);
}
return this._parseTag(value);
};
this.tagRe = /^(\s*)(<?(\/?)([-_a-zA-Z0-9:!]*)\s*(\/?)>?)/;
this._parseTag = function(tag) {
var match = tag.match(this.tagRe);
var column = 0;
return {
value: tag,
match: match ? match[2] : "",
closing: match ? !!match[3] : false,
selfClosing: match ? !!match[5] || match[2] == "/>" : false,
tagName: match ? match[4] : "",
column: match[1] ? column + match[1].length : column
};
};
this._readTagForward = function(iterator) {
var token = iterator.getCurrentToken();
if (!token)
return null;
var value = "";
var start;
do {
if (token.type.lastIndexOf("meta.tag", 0) === 0) {
if (!start) {
var start = {
row: iterator.getCurrentTokenRow(),
column: iterator.getCurrentTokenColumn()
};
}
value += token.value;
if (value.indexOf(">") !== -1) {
var tag = this._parseTag(value);
tag.start = start;
tag.end = {
row: iterator.getCurrentTokenRow(),
column: iterator.getCurrentTokenColumn() + token.value.length
};
iterator.stepForward();
return tag;
}
}
} while(token = iterator.stepForward());
return null;
};
this._readTagBackward = function(iterator) {
var token = iterator.getCurrentToken();
if (!token)
return null;
var value = "";
var end;
do {
if (token.type.lastIndexOf("meta.tag", 0) === 0) {
if (!end) {
end = {
row: iterator.getCurrentTokenRow(),
column: iterator.getCurrentTokenColumn() + token.value.length
};
}
value = token.value + value;
if (value.indexOf("<") !== -1) {
var tag = this._parseTag(value);
tag.end = end;
tag.start = {
row: iterator.getCurrentTokenRow(),
column: iterator.getCurrentTokenColumn()
};
iterator.stepBackward();
return tag;
}
}
} while(token = iterator.stepBackward());
return null;
};
this._pop = function(stack, tag) {
while (stack.length) {
var top = stack[stack.length-1];
if (!tag || top.tagName == tag.tagName) {
return stack.pop();
}
else if (this.voidElements[tag.tagName]) {
return;
}
else if (this.voidElements[top.tagName]) {
stack.pop();
continue;
} else {
return null;
}
}
};
this.getFoldWidgetRange = function(session, foldStyle, row) {
var firstTag = this._getFirstTagInLine(session, row);
if (!firstTag.match)
return null;
var isBackward = firstTag.closing || firstTag.selfClosing;
var stack = [];
var tag;
if (!isBackward) {
var iterator = new TokenIterator(session, row, firstTag.column);
var start = {
row: row,
column: firstTag.column + firstTag.tagName.length + 2
};
while (tag = this._readTagForward(iterator)) {
if (tag.selfClosing) {
if (!stack.length) {
tag.start.column += tag.tagName.length + 2;
tag.end.column -= 2;
return Range.fromPoints(tag.start, tag.end);
} else
continue;
}
if (tag.closing) {
this._pop(stack, tag);
if (stack.length == 0)
return Range.fromPoints(start, tag.start);
}
else {
stack.push(tag)
}
}
}
else {
var iterator = new TokenIterator(session, row, firstTag.column + firstTag.match.length);
var end = {
row: row,
column: firstTag.column
};
while (tag = this._readTagBackward(iterator)) {
if (tag.selfClosing) {
if (!stack.length) {
tag.start.column += tag.tagName.length + 2;
tag.end.column -= 2;
return Range.fromPoints(tag.start, tag.end);
} else
continue;
}
if (!tag.closing) {
this._pop(stack, tag);
if (stack.length == 0) {
tag.start.column += tag.tagName.length + 2;
return Range.fromPoints(tag.start, end);
}
}
else {
stack.push(tag)
}
}
}
};
}).call(FoldMode.prototype);
});