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improved performance of TokenizedString splitting massively

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Ell 2021-04-22 01:14:48 +02:00
parent 60bc320604
commit 455ab59f09
1 changed files with 19 additions and 14 deletions
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29
MLEM/Formatting/TokenizedString.cs
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@ -64,24 +64,29 @@ namespace MLEM.Formatting {
this.Tokens[0].SplitSubstring = this.splitString; this.Tokens[0].SplitSubstring = this.splitString;
return; return;
} }
foreach (var token in this.Tokens) {
var index = 0;
var length = 0;
var ret = new StringBuilder();
// this is basically a substring function that ignores newlines for indexing // this is basically a substring function that ignores newlines for indexing
for (var i = 0; i < this.splitString.Length && length < token.Substring.Length; i++) { var index = 0;
// if we're within the bounds of the token's substring, append to the new substring var currToken = 0;
if (index >= token.Index) var splitIndex = 0;
ret.Append(this.splitString[i]); var ret = new StringBuilder();
while (splitIndex < this.splitString.Length) {
var token = this.Tokens[currToken];
if (token.Substring.Length > 0) {
ret.Append(this.splitString[splitIndex]);
// if the current char is not an added newline, we simulate length increase // if the current char is not an added newline, we simulate length increase
if (this.splitString[i] != '\n' || this.String[index] == '\n') { if (this.splitString[splitIndex] != '\n' || this.String[index] == '\n')
if (index >= token.Index)
length++;
index++; index++;
splitIndex++;
} }
} // move on to the next token if we reached its end
if (index >= token.Index + token.Substring.Length) {
token.SplitSubstring = ret.ToString(); token.SplitSubstring = ret.ToString();
ret.Clear();
currToken++;
} }
}
this.CalculateTokenAreas(font); this.CalculateTokenAreas(font);
} }