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Add support for hexadecimal values in editor value fields

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This commit is contained in:
Wojtek Figat
2020-12-31 15:35:31 +01:00
parent 3ab04598da
commit 9b891d0c55
2 changed files with 42 additions and 6 deletions
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38
Source/Editor/Utilities/ShuntingYardParser.cs
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@@ -5,6 +5,7 @@ using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using FlaxEngine;
namespace FlaxEditor.Utilities
{
@@ -172,24 +173,49 @@ namespace FlaxEditor.Utilities
// Necessary to correctly parse negative numbers
var previous = TokenType.WhiteSpace;
var token = new StringBuilder();
for (int i = 0; i < text.Length; i++)
{
var token = new StringBuilder();
var type = DetermineType(text[i]);
if (type == TokenType.WhiteSpace)
continue;
token.Clear();
token.Append(text[i]);
// Handle fractions and negative numbers (dot . is considered a figure)
if (type == TokenType.Number || text[i] == '-' && previous != TokenType.Number)
{
// Continue till the end of the number
while (i + 1 < text.Length && DetermineType(text[i + 1]) == TokenType.Number)
// Parse the whole number till the end
if (i + 1 < text.Length)
{
i++;
token.Append(text[i]);
switch (text[i + 1])
{
case 'x':
case 'X':
// Hexadecimal value
i++;
token.Clear();
if (i + 1 == text.Length || !StringUtils.IsHexDigit(text[i + 1]))
throw new ParsingException("invalid hexadecimal number");
while (i + 1 < text.Length && StringUtils.IsHexDigit(text[i + 1]))
{
i++;
token.Append(text[i]);
}
var value = ulong.Parse(token.ToString(), NumberStyles.HexNumber);
token.Clear();
token.Append(value.ToString());
break;
default:
// Decimal value
while (i + 1 < text.Length && DetermineType(text[i + 1]) == TokenType.Number)
{
i++;
token.Append(text[i]);
}
break;
}
}
// Discard solo '-'