feat: initial commit

svg_parser.py

@@ -0,0 +1,56 @@
+import re
+from pathlib import Path
+
+class SvgColorParser:
+    def __init__(self, filepath):
+        self.filepath = Path(filepath)
+        self.content = self.filepath.read_text(encoding="utf-8")
+        self.colors = {} # tag -> hex
+        self.history = [] # list of contents for undo
+        self.redo_history = []
+        self._parse()
+        
+    def _parse(self):
+        # Find the <style id="current-color-scheme">...</style> regardless of attribute order
+        style_match = re.search(r'<style[^>]*?id="current-color-scheme"[^>]*>(.*?)</style>', self.content, re.DOTALL)
+        if style_match:
+            style_content = style_match.group(1)
+            # Find classes e.g. .ColorScheme-Text { color:#232629; }
+            class_matches = re.finditer(r'\.(ColorScheme-[a-zA-Z0-9]+)\s*\{\s*color:\s*(#[a-fA-F0-9]{3,6})', style_content)
+            self.colors = {m.group(1): m.group(2) for m in class_matches}
+            
+    def update_color(self, tag, new_hex):
+        if tag not in self.colors: return
+        old_hex = self.colors[tag]
+        self.history.append(self.content)
+        self.redo_history.clear()
+        
+        # Globally replace the exact hex string, case insensitive
+        # We need to compile a regex for the old hex.
+        hex_pattern = re.compile(re.escape(old_hex), re.IGNORECASE)
+        self.content = hex_pattern.sub(new_hex, self.content)
+        
+        self.colors[tag] = new_hex
+        self.save()
+        self._parse() # re-parse to ensure consistency
+        
+    def save(self):
+        self.filepath.write_text(self.content, encoding="utf-8")
+        
+    def undo(self):
+        if self.history:
+            self.redo_history.append(self.content)
+            self.content = self.history.pop()
+            self.save()
+            self._parse()
+            return True
+        return False
+        
+    def redo(self):
+        if self.redo_history:
+            self.history.append(self.content)
+            self.content = self.redo_history.pop()
+            self.save()
+            self._parse()
+            return True
+        return False