big-moving.ru/api/soft/ajaxorg/lib/ace/mode/behaviour/xml.js

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8.5 KiB
JavaScript
Executable File

/* ***** 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 ***** */
define(function(require, exports, module) {
"use strict";
var oop = require("../../lib/oop");
var Behaviour = require("../behaviour").Behaviour;
var TokenIterator = require("../../token_iterator").TokenIterator;
var lang = require("../../lib/lang");
function is(token, type) {
return token && token.type.lastIndexOf(type + ".xml") > -1;
}
var XmlBehaviour = function () {
this.add("string_dquotes", "insertion", function (state, action, editor, session, text) {
if (text == '"' || text == "'") {
var quote = text;
var selected = session.doc.getTextRange(editor.getSelectionRange());
if (selected !== "" && selected !== "'" && selected != '"' && editor.getWrapBehavioursEnabled()) {
return {
text: quote + selected + quote,
selection: false
};
}
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var rightChar = line.substring(cursor.column, cursor.column + 1);
var iterator = new TokenIterator(session, cursor.row, cursor.column);
var token = iterator.getCurrentToken();
if (rightChar == quote && (is(token, "attribute-value") || is(token, "string"))) {
// Ignore input and move right one if we're typing over the closing quote.
return {
text: "",
selection: [1, 1]
};
}
if (!token)
token = iterator.stepBackward();
if (!token)
return;
while (is(token, "tag-whitespace") || is(token, "whitespace")) {
token = iterator.stepBackward();
}
var rightSpace = !rightChar || rightChar.match(/\s/);
if (is(token, "attribute-equals") && (rightSpace || rightChar == '>') || (is(token, "decl-attribute-equals") && (rightSpace || rightChar == '?'))) {
return {
text: quote + quote,
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 == "'")) {
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;
}
}
});
this.add("autoclosing", "insertion", function (state, action, editor, session, text) {
if (text == '>') {
var position = editor.getSelectionRange().start;
var iterator = new TokenIterator(session, position.row, position.column);
var token = iterator.getCurrentToken() || iterator.stepBackward();
// exit if we're not in a tag
if (!token || !(is(token, "tag-name") || is(token, "tag-whitespace") || is(token, "attribute-name") || is(token, "attribute-equals") || is(token, "attribute-value")))
return;
// exit if we're inside of a quoted attribute value
if (is(token, "reference.attribute-value"))
return;
if (is(token, "attribute-value")) {
var tokenEndColumn = iterator.getCurrentTokenColumn() + token.value.length;
if (position.column < tokenEndColumn)
return;
if (position.column == tokenEndColumn) {
var nextToken = iterator.stepForward();
// TODO also handle non-closed string at the end of the line
if (nextToken && is(nextToken, "attribute-value"))
return;
iterator.stepBackward();
}
}
if (/^\s*>/.test(session.getLine(position.row).slice(position.column)))
return;
// find tag name
while (!is(token, "tag-name")) {
token = iterator.stepBackward();
if (token.value == "<") {
token = iterator.stepForward();
break;
}
}
var tokenRow = iterator.getCurrentTokenRow();
var tokenColumn = iterator.getCurrentTokenColumn();
// exit if the tag is ending
if (is(iterator.stepBackward(), "end-tag-open"))
return;
var element = token.value;
if (tokenRow == position.row)
element = element.substring(0, position.column - tokenColumn);
if (this.voidElements.hasOwnProperty(element.toLowerCase()))
return;
return {
text: ">" + "</" + element + ">",
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 iterator = new TokenIterator(session, cursor.row, cursor.column);
var token = iterator.getCurrentToken();
if (token && token.type.indexOf("tag-close") !== -1) {
if (token.value == "/>")
return;
//get tag name
while (token && token.type.indexOf("tag-name") === -1) {
token = iterator.stepBackward();
}
if (!token) {
return;
}
var tag = token.value;
var row = iterator.getCurrentTokenRow();
//don't indent after closing tag
token = iterator.stepBackward();
if (!token || token.type.indexOf("end-tag") !== -1) {
return;
}
if (this.voidElements && !this.voidElements[tag]) {
var nextToken = session.getTokenAt(cursor.row, cursor.column+1);
var line = session.getLine(row);
var nextIndent = this.$getIndent(line);
var indent = nextIndent + session.getTabString();
if (nextToken && nextToken.value === "</") {
return {
text: "\n" + indent + "\n" + nextIndent,
selection: [1, indent.length, 1, indent.length]
};
} else {
return {
text: "\n" + indent
};
}
}
}
}
});
};
oop.inherits(XmlBehaviour, Behaviour);
exports.XmlBehaviour = XmlBehaviour;
});