add regex highlight

highlight_regex.py

@@ -0,0 +1,42 @@
+from typing import Optional
+
+from highlight import Highlight
+from highlighted_range import HighlightedRange
+from line import Line
+from PyQt6.QtCore import *
+from PyQt6.QtGui import *
+from PyQt6.QtWidgets import *
+
+from settings import Settings
+from typing import List
+import re
+
+
+class HighlightRegex(Highlight):
+
+    def __init__(self, regex: str, brush: QBrush = QBrush(), pen: QPen = Qt.PenStyle.NoPen, brush_full_line=QBrush()):
+        self.regex = regex
+        self.brush = brush
+        self.pen = pen
+        self.brush_full_line = brush_full_line
+
+    def compute_highlight(self, line: Line) -> Optional[List[HighlightedRange]]:
+        result = []
+        #print("execute regex: %s in %s" % (self.regex, line.line()))
+        match_iter = re.finditer(self.regex, line.line())
+        for match in match_iter:
+            #print("%s" % match)
+            group0 = match.group(0)
+            start = match.start(0)
+            end = match.end(0)
+            #print("regex: %s" % (group0))
+            result.append(HighlightedRange(
+                start,
+                end-start,
+                highlight_full_line=True,
+                brush=self.brush,
+                pen=self.pen,
+                brush_full_line=self.brush_full_line
+            ))
+
+        return result