86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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using dnSpy.Contracts.Text;
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namespace dnSpy.Contracts.Decompiler {
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// We have to parse it ourselves since we'd get all sorts of exceptions if we let
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// the standard XML reader try to parse it, even if we set the data to Fragment.
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// Since it only operates on one line at a time (no extra context), it won't be
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// able to handle eg. attributes spanning more than one line, but this rarely happens.
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static class SimpleXmlParser {
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static readonly char[] specialChars = new char[] { '<' };
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static readonly char[] specialCharsTag = new char[] { '<', '>', '"' };
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public static IEnumerable<(string text, object color)> Parse(string text) {
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bool inTag = true;
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int index = 0;
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while (index < text.Length) {
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int specialIndex = text.IndexOfAny(inTag ? specialCharsTag : specialChars, index);
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if (specialIndex < 0) {
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yield return (text.Substring(index), BoxedTextColor.XmlDocCommentText);
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break;
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}
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var c = text[specialIndex];
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if (c == '>') {
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yield return (text.Substring(index, specialIndex - index + 1), BoxedTextColor.XmlDocCommentText);
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index = specialIndex + 1;
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}
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else {
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if (specialIndex - index > 0) {
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if (c == '<')
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yield return (text.Substring(index, specialIndex - index), BoxedTextColor.XmlDocCommentText);
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else // c == '"'
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yield return (text.Substring(index, specialIndex - index), (inTag ? BoxedTextColor.XmlDocCommentName : BoxedTextColor.XmlDocCommentText));
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}
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index = specialIndex;
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int endIndex = text.IndexOf('>', index);
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endIndex = endIndex < 0 ? text.Length : endIndex + 1;
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while (index < endIndex) {
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int attrIndex = text.IndexOf('"', index, endIndex - index);
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if (attrIndex < 0) {
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yield return (text.Substring(index, endIndex - index), BoxedTextColor.XmlDocCommentName);
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break;
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}
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if (attrIndex - index > 0)
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yield return (text.Substring(index, attrIndex - index), BoxedTextColor.XmlDocCommentName);
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int endAttrIndex = text.IndexOf('"', attrIndex + 1, endIndex - attrIndex - 1);
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if (endAttrIndex < 0) {
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yield return (text.Substring(attrIndex, endIndex - attrIndex), BoxedTextColor.XmlDocCommentAttributeValue);
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break;
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}
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yield return (text.Substring(attrIndex, endAttrIndex - attrIndex + 1), BoxedTextColor.XmlDocCommentAttributeValue);
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index = endAttrIndex + 1;
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}
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index = endIndex;
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}
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inTag = false;
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}
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}
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}
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}
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