File size: 5,823 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | using System.Collections.Generic;
using System.Text;
using System.Linq;
using Unity.PlasticSCM.Editor.UI;
namespace Unity.PlasticSCM.Editor.Help
{
internal class FormattedHelpLink
{
internal HelpLink Source;
internal int Position;
internal int Length;
}
internal static class BuildFormattedHelp
{
internal static void ForData(
string plainText,
HelpFormat[] formattedBlocks,
HelpLink[] links,
out string formattedHelpText,
out List<FormattedHelpLink> formattedLinks)
{
formattedHelpText = string.Empty;
formattedLinks = new List<FormattedHelpLink>();
List<object> segments = new List<object>();
segments.AddRange(formattedBlocks);
segments.AddRange(links);
var sortedSegments = segments.OrderBy(
n => n is HelpFormat ?
((HelpFormat)n).Position :
((HelpLink)n).Position);
StringBuilder sb = new StringBuilder();
int lastIndex = 0;
foreach (var segment in sortedSegments)
{
Segment.Data segmentData = GetSegmentData(segment);
if (segmentData.Begin > lastIndex)
sb.Append(plainText.Substring(lastIndex, segmentData.Begin - lastIndex));
string plainSegment = plainText.Substring(
segmentData.Begin, segmentData.Length);
if (segment is HelpLink)
{
formattedLinks.Add(new FormattedHelpLink()
{
Source = (HelpLink)segment,
Position = sb.Length,
Length = segmentData.Prefix.Length +
plainSegment.Length +
segmentData.Suffix.Length
});
}
sb.Append(segmentData.Prefix);
sb.Append(plainSegment);
sb.Append(segmentData.Suffix);
lastIndex = segmentData.Begin + segmentData.Length;
}
sb.Append(plainText.Substring(lastIndex));
formattedHelpText = sb.ToString();
}
internal static bool IsLinkMetaChar(
FormattedHelpLink formattedLink,
int charIndex)
{
int prefixEndIndex =
formattedLink.Position +
Segment.LINK_PREFIX.Length - 1;
if (formattedLink.Position <= charIndex &&
charIndex <= prefixEndIndex)
return true;
int suffixStartIndex =
formattedLink.Position +
formattedLink.Length - Segment.LINK_SUFFIX.Length;
if (suffixStartIndex <= charIndex &&
charIndex <= (formattedLink.Position + formattedLink.Length - 1))
return true;
return false;
}
static Segment.Data GetSegmentData(object segment)
{
if (segment is HelpLink)
{
HelpLink link = (HelpLink)segment;
return Segment.BuildForLink(link);
}
HelpFormat format = (HelpFormat)segment;
return Segment.BuildForFormat(format);
}
static class Segment
{
internal class Data
{
internal int Begin;
internal int Length;
internal string Prefix;
internal string Suffix;
}
internal static Data BuildForLink(HelpLink link)
{
return new Data()
{
Begin = link.Position,
Length = link.Length,
Prefix = LINK_PREFIX,
Suffix = LINK_SUFFIX
};
}
internal static Data BuildForFormat(HelpFormat format)
{
switch (format.Type)
{
case HelpFormat.FormatType.Title:
return new Data()
{
Begin = format.Position,
Length = format.Length,
Prefix = TITLE_PREFIX,
Suffix = TITLE_SUFFIX
};
case HelpFormat.FormatType.Bold:
return new Data()
{
Begin = format.Position,
Length = format.Length,
Prefix = BOLD_PREFIX,
Suffix = BOLD_SUFFIX
};
case HelpFormat.FormatType.Underline:
// NOTE(rafa): No support yet for underline, we use italic instead
return new Data()
{
Begin = format.Position,
Length = format.Length,
Prefix = ITALIC_PREFIX,
Suffix = ITALIC_SUFFIX
};
default:
return null;
}
}
internal const string LINK_PREFIX = "<color=\"" + UnityStyles.HexColors.LINK_COLOR + "\">";
internal const string LINK_SUFFIX = "</color>";
const string TITLE_PREFIX = "<size=16>";
const string TITLE_SUFFIX = "</size>";
const string BOLD_PREFIX = "<b>";
const string BOLD_SUFFIX = "</b>";
const string ITALIC_PREFIX = "<i>";
const string ITALIC_SUFFIX = "</i>";
}
}
}
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