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.gitattributes

@@ -34,3 +34,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 snippet_extracor_v03alpha.exe filter=lfs diff=lfs merge=lfs -text
+snippet_extractor_v03alpha.exe filter=lfs diff=lfs merge=lfs -text

build_snippet.py

@@ -0,0 +1,42 @@
+import sys
+import subprocess
+import os
+from pathlib import Path
+
+# Define the entry point (your main script)
+entry_point = "snippet_extractor_v03alpha.py"
+
+# Build command with PyInstaller arguments
+cmd = [
+    sys.executable,
+    "-m", "PyInstaller",
+    "--onefile",
+    "--noconfirm",
+    "--clean",
+#    "--console",  # No console window (important for GUI applications)
+    "--hidden-import", "wx",
+    "--hidden-import", "numpy",
+    "--hidden-import", "rapidfuzz",
+    "--hidden-import", "typing_extensions",
+]
+
+# Add the entry point
+cmd.append(entry_point)
+
+# Execute the build command
+try:
+    result = subprocess.run(cmd, check=True, capture_output=True, text=True)
+    print("Compilation completed successfully.")
+    
+    # Show any warnings or info from PyInstaller
+    if result.stderr:
+        for line in result.stderr.split('\n'):
+            if line.strip() and not line.startswith('['):
+                print(f"PyInstaller: {line}")
+                
+except subprocess.CalledProcessError as e:
+    print(f"Error during compilation: {e}")
+    print("Stderr:", e.stderr)
+    
+except FileNotFoundError:
+    print("PyInstaller not found. Please install it with 'pip install pyinstaller'")

snippet_extractor_v03alpha.exe

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f188a294fb960fb87f437e01e597943bd55baa76c777a7b6d8a7f8e6a3440448
+size 26206525

snippet_extractor_v03alpha.py

@@ -0,0 +1,956 @@
+import wx
+import os
+import re
+import json
+import threading
+from pathlib import Path
+from rapidfuzz import fuzz, process
+from typing import List, Tuple, Any, Optional
+
+
+# --- Engine ---
+
+class TextProcessor:
+    def __init__(self, file_path: str):
+        self.file_path = Path(file_path)
+        self.text_bytes = None
+        self.decoded_text = None
+        self.char_to_byte = None
+        self.load_and_process_file()
+
+    def load_and_process_file(self):
+        try:
+            self.text_bytes = self.file_path.read_bytes()
+            self.decoded_text = self.text_bytes.decode("utf-8", errors="surrogateescape")
+            self._build_char_to_byte_mapping()
+        except Exception as e:
+            raise RuntimeError(f"Failed to read file {self.file_path}: {str(e)}")
+
+    def _build_char_to_byte_mapping(self):
+        self.char_to_byte = [0]
+        for ch in self.decoded_text:
+            self.char_to_byte.append(self.char_to_byte[-1] + len(ch.encode("utf-8", errors="surrogateescape")))
+
+
+class Match:
+    def __init__(self, pattern, text, start_char, end_char):
+        self.pattern = pattern
+        self.text = text
+        self.start_char = start_char
+        self.end_char = end_char
+        self.byte_start = None
+        self.byte_end = None
+
+    def set_byte_positions(self, char_to_byte_map):
+        self.byte_start = char_to_byte_map[self.start_char]
+        self.byte_end = char_to_byte_map[self.end_char]
+
+
+class SnippetExtractor:
+    # Pre-compiled regex patterns for performance
+    _regex_cache = {}
+
+    # -------------
+    # wildcard part
+    # -------------
+    @staticmethod
+    def wildcards_to_regex(pattern: str) -> str:
+        """
+        Convert wildcard pattern to regex with caching.
+        - '?'  → matches exactly one character of any type
+        - '*'  → matches zero or more non-whitespace chars
+        """
+        try:
+            # Use cache for better performance
+            if pattern in SnippetExtractor._regex_cache:
+                return SnippetExtractor._regex_cache[pattern]
+            
+            regex_parts = []
+            i = 0
+            while i < len(pattern):
+                ch = pattern[i]
+                if ch == '?':
+                    regex_parts.append('.')
+                    i += 1
+                elif ch == '*':
+                    regex_parts.append(r'(?:\S*)')
+                    i += 1
+                else:
+                    regex_parts.append(re.escape(ch))
+                    i += 1
+
+            result = "".join(regex_parts)
+            SnippetExtractor._regex_cache[pattern] = result
+            return result
+        except Exception as e:
+            raise RuntimeError(f"Failed to convert wildcard pattern '{pattern}' to regex: {str(e)}")
+
+
+    @staticmethod
+    # hanlde wildcard pattern '?' and '*'
+    def expand_to_word_boundaries(text: str, start_char: int, end_char: int, pattern: str):
+        """
+        Expand match boundaries depending on '*' position.
+        """
+        try:
+            # Exact match for '?' only patterns
+            if '?' in pattern and '*' not in pattern:
+                return text[start_char:end_char], start_char, end_char
+
+            expanded_start = start_char
+            expanded_end = end_char
+
+            if '*' in pattern:
+                if pattern.startswith('*') and not pattern.endswith('*'):
+                    # expand LEFT until whitespace - optimized with backward search
+                    while expanded_start > 0 and not text[expanded_start - 1].isspace():
+                        expanded_start -= 1
+
+                elif pattern.endswith('*') and not pattern.startswith('*'):
+                    # expand RIGHT until whitespace - optimized forward search
+                    while expanded_end < len(text) and not text[expanded_end].isspace():
+                        expanded_end += 1
+
+                else:
+                    # '*' is inside → expand both sides until visible character
+                    if expanded_start > 0:
+                        expanded_start -= 1
+                    if expanded_end < len(text):
+                        expanded_end += 1
+
+            return text[expanded_start:expanded_end], expanded_start, expanded_end
+
+        except Exception as e:
+            raise RuntimeError(f"Failed to expand word boundaries for pattern '{pattern}': {str(e)}")
+
+
+    # find wildcard matches
+    @staticmethod
+    def find_matches(patterns, decoded_text: str, char_to_byte_map):
+        """
+        Find all matches. These are also passed on to fuzzy match.
+        """	
+        try:
+            matches = []
+            
+            # Pre-compile all patterns once - cached version
+            compiled_patterns = {}
+            for pattern in patterns:
+                if not pattern:
+                    continue
+                if '*' in pattern or '?' in pattern:
+                    regex_pattern = SnippetExtractor.wildcards_to_regex(pattern)
+                    compiled_patterns[pattern] = re.compile(regex_pattern, re.IGNORECASE | re.DOTALL)
+                else:
+                    escaped_pattern = re.escape(pattern)
+                    regex_pattern = r'\b' + escaped_pattern + r'\b'
+                    compiled_patterns[pattern] = re.compile(regex_pattern, re.IGNORECASE)
+
+            for pattern, compiled_pattern in compiled_patterns.items():
+                try:
+                    # Check stop event before each iteration
+                    for match in compiled_pattern.finditer(decoded_text):
+                        start_pos, end_pos = match.start(), match.end()
+                        match_text = decoded_text[start_pos:end_pos]
+
+                        if '*' in pattern or '?' in pattern:
+                            expanded_match_text, expanded_start, expanded_end = SnippetExtractor.expand_to_word_boundaries(
+                                decoded_text, start_pos, end_pos, pattern
+                            )
+                            match_text = expanded_match_text
+                            start_pos = expanded_start
+                            end_pos = expanded_end
+
+                        match_obj = Match(pattern, match_text, start_pos, end_pos)
+                        match_obj.set_byte_positions(char_to_byte_map)
+                        matches.append(match_obj)
+                except re.error as e:
+                    raise RuntimeError(f"Regex compilation error for pattern '{pattern}': {str(e)}")
+
+            return matches
+        except Exception as e:
+            raise RuntimeError(f"Failed to find matches: {str(e)}")
+
+
+    # distance check of all found matches
+    @staticmethod
+    def filter_by_distance(matches, distance: int, buzzwords):
+        """
+        filter matches by distance limit given by user input.
+        """
+        try:
+            if not matches:
+                return []
+            
+            # Use sets for faster membership checks and avoid redundant lookups
+            pattern_positions = {word: set() for word in buzzwords}
+            for m in matches:
+                if m.pattern in pattern_positions:
+                    pattern_positions[m.pattern].add((m.start_char, m.end_char))
+                    
+            if any(not pos_set for pos_set in pattern_positions.values()):
+                return []
+                
+            combined_spans = []
+            first_word = list(buzzwords)[0]
+            
+            for start1, end1 in pattern_positions[first_word]:
+                span_candidates = [(start1, end1)]
+                for other_word in buzzwords:
+                    if other_word == first_word:
+                        continue
+                    best_match = None
+                    min_distance = float('inf')
+                    
+                    # Direct set iteration - much faster than list lookup
+                    for start2, end2 in pattern_positions[other_word]:
+                        dist = abs(start1 - start2)
+                        if dist <= distance and dist < min_distance:
+                            min_distance = dist
+                            best_match = (start2, end2)
+                            
+                    if best_match:
+                        span_candidates.append(best_match)
+                        
+                if len(span_candidates) == len(buzzwords):
+                    min_pos = min(s for s, _ in span_candidates)
+                    max_pos = max(e for _, e in span_candidates)
+                    combined_spans.append((min_pos, max_pos))
+                    
+            return combined_spans
+        except Exception as e:
+            raise RuntimeError(f"Failed to filter by distance: {str(e)}")
+
+    # snippet extraction, pre_ratio and post_ratio given from user
+    @staticmethod
+    def extract_snippets(matches, snippet_size, pre_ratio, post_ratio, decoded_text):
+        try:
+            snippets = []
+            for start, end in matches:
+                pre_chars = int(snippet_size * pre_ratio)
+                post_chars = int(snippet_size * post_ratio)
+                snippet_start = max(0, start - pre_chars)
+                snippet_end = min(len(decoded_text), end + post_chars)
+                snippets.append((snippet_start, snippet_end))
+            return snippets
+        except Exception as e:
+            raise RuntimeError(f"Failed to extract snippets: {str(e)}")
+    
+    # merge snippet if overlapping
+    @staticmethod
+    def merge_snippets(snippets):
+        try:
+            if not snippets:
+                return [], 0
+                
+            total_snippets = len(snippets)
+            
+            # Sort once instead of repeatedly during merging
+            sorted_snippets = sorted(snippets, key=lambda x: x[0])
+            merged = [sorted_snippets[0]]
+            
+            for current in sorted_snippets[1:]:
+                last_end = merged[-1][1]
+                if current[0] <= last_end:
+                    # Fast merge - no need to check all previous ones
+                    merged[-1] = (merged[-1][0], max(last_end, current[1]))
+                else:
+                    merged.append(current)
+                    
+            return merged, total_snippets
+        except Exception as e:
+            raise RuntimeError(f"Failed to merge snippets: {str(e)}")
+
+
+    # ----------
+    # Fuzzy part
+    # ----------
+    # use results of wildcard find_matches for fuzzy search
+    @staticmethod
+    def find_fuzzy_matches(decoded_text: str, wildcard_matches: List[Match], threshold: float, stop_event=None):
+        """
+        Search the entire text using matches from wildcard search as fuzzily searched words.
+        Returns list of tuples (match_start, match_end, score, original_word) where score >= threshold.
+        """
+        try:
+            fuzzy_results = []
+            
+            # Get all unique texts from wildcard matches to use as buzzwords
+            buzzwords = [match.text for match in wildcard_matches if match.text.strip()]
+            
+            if not buzzwords:
+                return fuzzy_results
+                
+            # Use rapidfuzz.process.extract for efficient fuzzy matching
+            # Process each word in the text against our buzzwords
+            words = decoded_text.split()
+            processed_words = []
+            
+            # Create a list of (word, start_pos, end_pos) tuples to track positions
+            current_pos = 0
+            for word in words:
+                if stop_event and stop_event.is_set():
+                    raise RuntimeError("Fuzzy search was aborted")
+                    
+                # Find exact position of this word in original text
+                try:
+                    pos = decoded_text.index(word, current_pos)
+                    processed_words.append((word, pos, pos + len(word)))
+                    current_pos = pos + len(word)
+                except ValueError:
+                    # Word not found - skip it
+                    continue
+            
+            # For each word in the document, check fuzzy matches against our buzzwords
+            for word, start_pos, end_pos in processed_words:
+                if stop_event and stop_event.is_set():
+                    raise RuntimeError("Fuzzy search was aborted")
+                    
+                # Find best match among buzzwords using rapidfuzz
+                try:
+                    # Get top match with score >= threshold
+                    matches = process.extract(
+                        word, 
+                        buzzwords, 
+                        limit=1,
+                        scorer=fuzz.ratio,
+                        score_cutoff=threshold
+                    )
+                    
+                    if matches and len(matches) > 0:
+                        best_match_text, score, _ = matches[0]
+                        # Add the position of this match in original text + the actual word that was matched
+                        fuzzy_results.append((start_pos, end_pos, score, word))
+                        
+                except Exception as e:
+                    # Continue with other words if one fails
+                    continue
+                    
+            return fuzzy_results
+            
+        except Exception as e:
+            raise RuntimeError(f"Failed to find fuzzy matches: {str(e)}")
+
+
+
+    # filter by distance for fuzzy matches if "AND
+    # filter by distance for fuzzy matches - NEW IMPLEMENTATION
+    @staticmethod
+    def filter_by_distance_fuzzy(fuzzy_matches, distance_threshold):
+        """
+        Filter fuzzy matches requiring all buzzwords within distance threshold.
+        Groups matching words together and only keeps groups where all required 
+        buzzwords appear within the specified distance.
+        
+        Args:
+            fuzzy_matches: List of tuples (start_pos, end_pos, score, original_word)
+            distance_threshold: Maximum character distance between matches
+            
+        Returns:
+            List of filtered fuzzy match tuples
+        """
+        try:
+            if not fuzzy_matches:
+                return []
+                
+            # Group matches by their original word (buzzword)
+            word_groups = {}
+            for start, end, score, word in fuzzy_matches:
+                if word not in word_groups:
+                    word_groups[word] = []
+                word_groups[word].append((start, end, score))
+            
+            # Debugging output
+            print(f"DEBUG: Processing {len(word_groups)} unique words from fuzzy matches")
+            for word, positions in word_groups.items():
+                print(f"  Word '{word}': {len(positions)} matches at positions {[pos[0] for pos in positions]}")
+            
+            # Get all buzzwords that were actually found
+            found_buzzwords = list(word_groups.keys())
+            
+            if len(found_buzzwords) < 2:
+                print("DEBUG: Only one unique word found - returning all matches")
+                return fuzzy_matches
+            
+            # For multiple words, create sliding windows to find valid groups
+            # This approach checks each possible combination of positions for different words
+            results = []
+            
+            # Sort all positions by start position to make grouping easier
+            all_positions = []
+            for word, pos_list in word_groups.items():
+                for start, end, score in pos_list:
+                    all_positions.append((start, end, score, word))
+            
+            all_positions.sort(key=lambda x: x[0])  # Sort by start position
+            
+            print(f"DEBUG: Total positions to process: {len(all_positions)}")
+            
+            # Try to find groups where multiple buzzwords appear within distance
+            i = 0
+            while i < len(all_positions):
+                current_start = all_positions[i][0]
+                current_end = all_positions[i][1]
+                
+                # Create a window around this position
+                window_end = current_start + distance_threshold
+                
+                # Collect all words in this window
+                window_words = {}
+                j = i
+                while j < len(all_positions) and all_positions[j][0] <= window_end:
+                    pos_start, pos_end, score, word = all_positions[j]
+                    if word not in window_words:
+                        window_words[word] = []
+                    window_words[word].append((pos_start, pos_end, score))
+                    j += 1
+                
+                # Check if we have matches for ALL required buzzwords
+                if len(window_words) >= 2:  # At least two different words found together
+                    # For now, just return all the original matches from this window
+                    # This is a simpler approach - you could get more sophisticated later
+                    print(f"DEBUG: Found group with {len(window_words)} words in range [{current_start}, {window_end}]")
+                    for word, positions in window_words.items():
+                        print(f"  Word '{word}': {[pos[0] for pos in positions]}")
+                    
+                    # Add all matches from this valid window
+                    for word, positions in window_words.items():
+                        for start, end, score in positions:
+                            results.append((start, end, score, word))
+                else:
+                    print(f"DEBUG: Window [{current_start}, {window_end}] only had {len(window_words)} unique words")
+                
+                i = j
+            
+            # Remove duplicates while preserving order
+            seen = set()
+            final_results = []
+            for item in results:
+                if item not in seen:
+                    seen.add(item)
+                    final_results.append(item)
+            
+            print(f"DEBUG: Final filtered results count: {len(final_results)}")
+            return final_results
+            
+        except Exception as e:
+            raise RuntimeError(f"Failed to filter fuzzy matches by distance: {str(e)}")
+
+
+
+
+
+    # extract fuzzy snippets
+    @staticmethod
+    def extract_snippets_fuzzy(matches, snippet_size, pre_ratio, post_ratio, decoded_text):
+        """
+        Extract snippets from fuzzy matches.
+        """
+        try:
+            snippets = []
+            for start, end, score, original_word in matches:
+                # Apply ratio-based padding to include more context
+                pre_chars = int(snippet_size * pre_ratio)
+                post_chars = int(snippet_size * post_ratio)
+                snippet_start = max(0, start - pre_chars)
+                snippet_end = min(len(decoded_text), end + post_chars)
+                
+                snippets.append((snippet_start, snippet_end, score, original_word))
+            return snippets
+        except Exception as e:
+            raise RuntimeError(f"Failed to extract fuzzy snippets: {str(e)}")
+
+    
+
+    # merge fuzzy snippets
+    @staticmethod
+    def merge_snippets_fuzzy(snippets):
+        """
+        Merge overlapping or adjacent fuzzy snippets.
+        """
+        try:
+            if not snippets:
+                return [], 0
+                
+            total_snippets = len(snippets)
+            
+            # Sort by start position
+            sorted_snippets = sorted(snippets, key=lambda x: x[0])
+            merged = [sorted_snippets[0]]
+            
+            for current in sorted_snippets[1:]:
+                last_end = merged[-1][1]
+                
+                if current[0] <= last_end:
+                    # Merge overlapping or adjacent snippets
+                    new_start = merged[-1][0]
+                    new_end = max(last_end, current[1])
+                    
+                    # Update the score to be average of both scores (or keep highest)
+                    avg_score = (merged[-1][2] + current[2]) / 2.0
+                    
+                    merged[-1] = (new_start, new_end, avg_score, merged[-1][3])  # Keep original word from first
+                else:
+                    merged.append(current)
+                    
+            return merged, total_snippets
+        except Exception as e:
+            raise RuntimeError(f"Failed to merge fuzzy snippets: {str(e)}")
+
+
+
+
+# --- Main search function ---
+
+def run_search_for_file(file_path: str, config: dict, stop_event: threading.Event):
+    """
+    Run search for a single file. Writes output_snippets.txt and output_fuzzy_snippets.txt.
+    Returns (wildcard_text, fuzzy_text) strings for UI display.
+    Optimized version with faster operations.
+    """
+    try:
+        processor = TextProcessor(file_path)
+        buzzwords = [bw for bw in config.get("buzzwords", []) if bw.strip()]
+
+        # Use set for filter_by_distance membership but keep list for order preservation
+        buzzwords_set = list(dict.fromkeys(buzzwords))  # unique preserving order
+
+        # wildcard-part - optimized
+        all_matches = SnippetExtractor.find_matches(
+            buzzwords_set,
+            processor.decoded_text,
+            processor.char_to_byte
+        )
+
+        if config.get("search_type", "AND") == "AND":
+            final_matches = SnippetExtractor.filter_by_distance(
+                all_matches,
+                config.get("distance_match", 100),
+                buzzwords_set
+            )
+        else:
+            final_matches = [(m.start_char, m.end_char) for m in all_matches]
+
+        snippets = SnippetExtractor.extract_snippets(
+            final_matches,
+            config.get("snippet_size", 2000),
+            config.get("pre_ratio", 0.3),
+            config.get("post_ratio", 0.7),
+            processor.decoded_text
+        )
+
+        merged_snippets, total_snippets = SnippetExtractor.merge_snippets(snippets)
+
+        # Build wildcard textual output - optimized with pre-calculated values
+        wildcard_blocks = []
+        for idx, (start, end) in enumerate(merged_snippets):
+            if stop_event.is_set():
+                raise RuntimeError("Search was aborted")
+
+            s_b = processor.char_to_byte[start]
+            e_b = processor.char_to_byte[end]
+            snippet_bytes = processor.text_bytes[s_b:e_b]
+            snippet_text = snippet_bytes.decode("utf-8", errors="surrogateescape")
+            cleaned = re.sub(r'\s+', ' ', snippet_text) # without \n and \r
+
+            # Find first match
+            match_text = None
+            byte_start = None
+            for m in all_matches:
+                if start <= m.start_char and end >= m.end_char:
+                    match_text = m.text
+                    byte_start = m.byte_start
+                    break
+
+            block = [
+                {"Excerpt": idx + 1},
+                {"Match Text": match_text},
+                {"Start position, match_text": byte_start},
+                {"Content": cleaned},
+            ]
+            wildcard_blocks.append(json.dumps(block, ensure_ascii=False, indent=1))
+
+        wildcard_text = "\n\n".join(wildcard_blocks)
+
+        # fuzzy part, similar approach like wildcard
+        ft = config.get("fuzzy_threshold", 96)
+        if not isinstance(ft, (int, float)) or not (0 <= ft <= 100):
+            ft = 96.0  # default threshold
+
+        # Use all wildcard matches as input for fuzzy search
+        fuzzy_matches = SnippetExtractor.find_fuzzy_matches(
+            processor.decoded_text,
+            all_matches,
+            ft
+        )
+
+        if config.get("search_type", "AND") == "AND":
+            if len(buzzwords) > 1:
+                filtered_fuzzy_matches = SnippetExtractor.filter_by_distance_fuzzy(
+                    fuzzy_matches,
+                    config.get("distance_match", 100)
+                )
+            else:
+                # fallback to OR behavior when only one buzzword
+                filtered_fuzzy_matches = fuzzy_matches
+        else:
+            filtered_fuzzy_matches = fuzzy_matches
+
+        # Extract snippets for fuzzy matches
+        fuzzy_snippets = SnippetExtractor.extract_snippets_fuzzy(
+            filtered_fuzzy_matches,
+            config.get("snippet_size", 2000),
+            config.get("pre_ratio", 0.3),
+            config.get("post_ratio", 0.7),
+            processor.decoded_text
+        )
+
+        # Merge fuzzy snippets
+        merged_fuzzy_snippets, total_fuzzy_snippets = SnippetExtractor.merge_snippets_fuzzy(fuzzy_snippets)
+
+        # Build fuzzy textual output - now with actual matched text and byte positions
+        fuzzy_blocks = []
+        for idx, (start, end, score, original_word) in enumerate(merged_fuzzy_snippets):
+            if stop_event.is_set():
+                raise RuntimeError("Search was aborted")
+
+            s_b = processor.char_to_byte[start]
+            e_b = processor.char_to_byte[end]
+            snippet_bytes = processor.text_bytes[s_b:e_b]
+            snippet_text = snippet_bytes.decode("utf-8", errors="surrogateescape")
+            cleaned_snippet = re.sub(r'\s+', ' ', snippet_text) # without \n and \r
+
+            # Get the actual byte start position of the matched word in the original file
+            match_byte_start = None
+            for fm in fuzzy_matches:  # Use original fuzzy_matches, not filtered_fuzzy_matches
+                if fm[3] == original_word and fm[0] >= start and fm[1] <= end:
+                    # Found the exact fuzzy match that corresponds to this merged snippet
+                    match_byte_start = processor.char_to_byte[fm[0]]
+                    break
+
+            block = [
+                {"Excerpt": idx + 1},
+                {"Match Text": original_word},  # Show the actual word that was matched
+                {"Score": score},
+                {"Start Byte Position": match_byte_start},  # Add byte position to JSON output
+                {"Content": cleaned_snippet},
+            ]
+            fuzzy_blocks.append(json.dumps(block, ensure_ascii=False, indent=1))
+
+
+        fuzzy_text = "\n\n".join(fuzzy_blocks)
+
+        return wildcard_text, fuzzy_text
+    except Exception as e:
+        raise RuntimeError(f"Search failed for file {file_path}: {str(e)}")
+
+# ---
+# GUI
+# ---
+
+class SearchThread(threading.Thread):
+    def __init__(self, paths, config, stop_event, on_complete):
+        super().__init__()
+        self.paths = paths
+        self.config = config
+        self.stop_event = stop_event
+        self.on_complete = on_complete  # callback(wildcard_text, fuzzy_text, finished_ok)
+
+    def run(self):
+        try:
+            agg_wild = []
+            agg_fuzzy = []
+            for p in self.paths:
+                if self.stop_event.is_set():
+                    self.on_complete("", "", False)
+                    return
+                try:
+                    w, f = run_search_for_file(p, self.config, self.stop_event)
+                    agg_wild.append(w)
+                    agg_fuzzy.append(f)
+                except Exception as e:
+                    # If one file fails, continue with others but report the error
+                    if not self.stop_event.is_set():  # Only show error if not aborted
+                        self.on_complete(f"ERROR processing {p}: {str(e)}", f"ERROR processing {p}: {str(e)}", False)
+                        return
+            wildcard_text = "\n\n--- FILE BOUNDARY ---\n\n".join(agg_wild)
+            fuzzy_text = "\n\n--- FILE BOUNDARY ---\n\n".join(agg_fuzzy)
+            self.on_complete(wildcard_text, fuzzy_text, True)
+        except Exception as e:
+            # Handle exceptions in the thread itself
+            self.on_complete(f"THREAD ERROR: {str(e)}", f"THREAD ERROR: {str(e)}", False)
+
+class MainFrame(wx.Frame):
+    def __init__(self):
+        super().__init__(None, title="Text Search by Sevenof9 (v3_alpha)", size=(1200, 1000))
+        panel = wx.Panel(self)
+
+        # Top: file / dir pickers and right-side label for chosen path
+        top_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        self.file_picker = wx.FilePickerCtrl(panel, style=wx.FLP_OPEN | wx.FLP_FILE_MUST_EXIST)
+        self.dir_picker = wx.DirPickerCtrl(panel)
+        self.path_label = wx.StaticText(panel, label="No file/folder selected")
+
+        top_sizer.Add(self.file_picker, 0, wx.ALL | wx.ALIGN_LEFT, 4)
+        top_sizer.Add(self.dir_picker, 0, wx.ALL | wx.ALIGN_LEFT, 4)
+        top_sizer.Add(self.path_label, 0, wx.ALL | wx.ALIGN_LEFT, 6)
+
+        # Middle: left = buzzwords (4 fields with AND/OR buttons between), right = controls/config
+        middle_sizer = wx.BoxSizer(wx.HORIZONTAL)
+
+        # Left: buzzwords area
+        buzz_sizer = wx.BoxSizer(wx.VERTICAL)
+        self.buzz_inputs = []
+        self.toggle_buttons = []
+        for i in range(4):
+            txt = wx.TextCtrl(panel, size=(250, -1))
+            self.buzz_inputs.append(txt)
+            buzz_sizer.Add(txt, 0, wx.ALL | wx.ALIGN_LEFT, 2)
+            if i < 3:
+                btn = wx.Button(panel, label="AND", size=(80, 24))
+                btn.Bind(wx.EVT_BUTTON, self.on_toggle)
+                self.toggle_buttons.append(btn)
+                buzz_sizer.Add(btn, 0, wx.ALL | wx.ALIGN_LEFT, 2)
+
+        middle_sizer.Add(buzz_sizer, 0, wx.ALL | wx.ALIGN_LEFT, 6)
+
+        # Right: controls and config
+        ctrl_sizer = wx.BoxSizer(wx.VERTICAL)
+
+        # Start / Abort
+        self.start_button = wx.Button(panel, label="Start Search")
+        self.abort_button = wx.Button(panel, label="Abort")
+        self.abort_button.Disable()
+        self.start_button.Bind(wx.EVT_BUTTON, self.on_start)
+        self.abort_button.Bind(wx.EVT_BUTTON, self.on_abort)
+        ctrl_sizer.Add(self.start_button, 0, wx.ALL | wx.ALIGN_LEFT, 4)
+        ctrl_sizer.Add(self.abort_button, 0, wx.ALL | wx.ALIGN_LEFT, 4)
+
+        # Config fields
+        self.cfg_fields = {}
+        defaults = [("snippet_size", "2000"),
+                    ("pre_ratio", "0.3"),
+                    ("post_ratio", "0.7"),
+                    ("distance_match", "300"),
+                    ("fuzzy_threshold", "96")]
+        for label, val in defaults:
+            row = wx.BoxSizer(wx.HORIZONTAL)
+            lbl = wx.StaticText(panel, label=label + ":")
+            fld = wx.TextCtrl(panel, value=val, size=(50, -1))
+            # Bind focus event for validation
+            fld.Bind(wx.EVT_KILL_FOCUS, self.on_field_focus_lost)
+            row.Add(lbl, 0, wx.ALL | wx.ALIGN_LEFT, 2)
+            row.Add(fld, 0, wx.ALL | wx.ALIGN_LEFT, 2)
+            ctrl_sizer.Add(row, 0, wx.ALL | wx.ALIGN_LEFT, 2)
+            self.cfg_fields[label] = fld
+
+        middle_sizer.Add(ctrl_sizer, 0, wx.ALL | wx.ALIGN_LEFT, 6)
+
+        # Bottom: results (wildcard and fuzzy) across full width
+        result_sizer = wx.BoxSizer(wx.VERTICAL)
+        result_sizer.Add(wx.StaticText(panel, label="Wildcard Results (output_snippets.txt):"), 0, wx.ALL | wx.ALIGN_LEFT, 2)
+        self.wildcard_box = wx.TextCtrl(panel, style=wx.TE_MULTILINE | wx.TE_READONLY, size=(-1, 220))
+        result_sizer.Add(self.wildcard_box, 1, wx.EXPAND | wx.ALL, 4)
+        result_sizer.Add(wx.StaticText(panel, label="Fuzzy Results (output_fuzzy_snippets.txt):"), 0, wx.ALL | wx.ALIGN_LEFT, 2)
+        self.fuzzy_box = wx.TextCtrl(panel, style=wx.TE_MULTILINE | wx.TE_READONLY, size=(-1, 220))
+        result_sizer.Add(self.fuzzy_box, 1, wx.EXPAND | wx.ALL, 4)
+
+        # Main vertical layout using only horizontal alignment flags where appropriate
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+        main_sizer.Add(top_sizer, 0, wx.ALL | wx.ALIGN_LEFT, 6)
+        main_sizer.Add(middle_sizer, 0, wx.ALL | wx.ALIGN_LEFT, 6)
+        main_sizer.Add(result_sizer, 1, wx.EXPAND | wx.ALL, 6)
+
+        panel.SetSizer(main_sizer)
+
+        # Events
+        self.file_picker.Bind(wx.EVT_FILEPICKER_CHANGED, self.on_path_change)
+        self.dir_picker.Bind(wx.EVT_DIRPICKER_CHANGED, self.on_path_change)
+
+        # Thread controls
+        self.worker = None
+        self.stop_event = threading.Event()
+
+    def on_field_focus_lost(self, evt):
+        """Validate all fields when any field loses focus"""
+        self.validate_all_fields()
+        evt.Skip()  # Allow normal processing to continue
+
+    def validate_all_fields(self):
+        """Validate all configuration fields and enforce dependencies"""
+        try:
+            # Get current values
+            snippet_size_val = self.cfg_fields["snippet_size"].GetValue().strip()
+            pre_ratio_val = self.cfg_fields["pre_ratio"].GetValue().strip()
+            post_ratio_val = self.cfg_fields["post_ratio"].GetValue().strip()
+            distance_match_val = self.cfg_fields["distance_match"].GetValue().strip()
+            fuzzy_threshold_val = self.cfg_fields["fuzzy_threshold"].GetValue().strip()
+
+            # Default values if empty
+            snippet_size_val = snippet_size_val if snippet_size_val else "2000"
+            pre_ratio_val = pre_ratio_val if pre_ratio_val else "0.3"
+            post_ratio_val = post_ratio_val if post_ratio_val else "0.7"
+            distance_match_val = distance_match_val if distance_match_val else "300"
+            fuzzy_threshold_val = fuzzy_threshold_val if fuzzy_threshold_val else "96"
+
+            # Validate and process each field
+            # snippet_size: min=0, max=999999, round to integer
+            snippet_size = int(float(snippet_size_val)) if snippet_size_val else 2000
+            snippet_size = max(0, min(999999, snippet_size))
+
+            # pre_ratio: min=0.1, max=0.9, 1 decimal place
+            pre_ratio = round(float(pre_ratio_val), 1) if pre_ratio_val else 0.3
+            pre_ratio = max(0.1, min(0.9, pre_ratio))
+
+            # post_ratio: min=0.1, max=0.9, 1 decimal place
+            post_ratio = round(float(post_ratio_val), 1) if post_ratio_val else 0.7
+            post_ratio = max(0.1, min(0.9, post_ratio))
+
+            # Ensure pre + post = 1 (adjust one to maintain sum)
+            total = pre_ratio + post_ratio
+            if abs(total - 1.0) > 0.001:  # Allow small floating point differences
+                # Adjust post_ratio to make the sum equal to 1.0
+                post_ratio = round(1.0 - pre_ratio, 1)
+                self.cfg_fields["post_ratio"].SetValue(str(post_ratio))
+
+            # distance_match: min=0, max=snippet_size, round to integer
+            distance_match = int(float(distance_match_val)) if distance_match_val else 300
+            distance_match = max(0, min(snippet_size, distance_match))
+
+            # If snippet_size < distance_match, adjust snippet_size to match
+            if snippet_size < distance_match:
+                snippet_size = distance_match
+                self.cfg_fields["snippet_size"].SetValue(str(snippet_size))
+
+            # fuzzy_threshold: min=1, max=100, round to integer
+            fuzzy_threshold = int(float(fuzzy_threshold_val)) if fuzzy_threshold_val else 96
+            fuzzy_threshold = max(1, min(100, fuzzy_threshold))
+
+            # Apply validated values back to fields
+            self.cfg_fields["snippet_size"].SetValue(str(snippet_size))
+            self.cfg_fields["pre_ratio"].SetValue(str(pre_ratio))
+            self.cfg_fields["post_ratio"].SetValue(str(post_ratio))
+            self.cfg_fields["distance_match"].SetValue(str(distance_match))
+            self.cfg_fields["fuzzy_threshold"].SetValue(str(fuzzy_threshold))
+
+        except Exception as e:
+            # If validation fails, show error but don't block the user
+            wx.MessageBox(f"Validation Error: {str(e)}", "Error")
+
+    def on_path_change(self, evt):
+        path = evt.GetPath()
+        self.path_label.SetLabel(path)
+
+    def on_toggle(self, evt):
+        btn = evt.GetEventObject()
+        label = btn.GetLabel()
+        if label == "AND":
+            btn.SetLabel("OR")
+        else:
+            btn.SetLabel("AND")
+
+    def on_abort(self, evt):
+        """Abort button now properly stops all processes"""
+        if self.worker and self.worker.is_alive():
+            # Set the stop event to signal all running operations to abort
+            self.stop_event.set()
+
+            # Disable buttons immediately
+            self.abort_button.Disable()
+            self.start_button.Enable()
+
+            # Clear any text that might have been set during processing
+            wx.CallAfter(self.wildcard_box.SetValue, "Aborting...")
+            wx.CallAfter(self.fuzzy_box.SetValue, "Aborting...")
+
+    def on_start(self, evt):
+        # get path
+        path = self.path_label.GetLabel()
+        if not path or path == "No file/folder selected":
+            wx.MessageBox("Please select a file or folder first.", "Error")
+            return
+
+        try:
+            if os.path.isdir(path):
+                txts = [str(Path(path) / f) for f in sorted(os.listdir(path))
+                        if f.lower().endswith(".txt") and os.path.isfile(os.path.join(path, f))]
+                if not txts:
+                    wx.MessageBox("Selected folder contains no .txt files.", "Error")
+                    return
+                paths = txts
+            else:
+                if not os.path.isfile(path):
+                    wx.MessageBox("Selected path is not a file.", "Error")
+                    return
+                # Only allow .txt files - this validation was missing before
+                if not path.lower().endswith(".txt"):
+                    wx.MessageBox("Please select a .txt file.", "Error")
+                    return
+                paths = [path]
+        except Exception as e:
+            wx.MessageBox(f"Failed to access path: {str(e)}", "Error")
+            return
+
+        # prepare config
+        try:
+            cfg = {
+                "snippet_size": int(self.cfg_fields["snippet_size"].GetValue().strip()),
+                "pre_ratio": float(self.cfg_fields["pre_ratio"].GetValue().strip()),
+                "post_ratio": float(self.cfg_fields["post_ratio"].GetValue().strip()),
+                "distance_match": int(self.cfg_fields["distance_match"].GetValue().strip()),
+                "fuzzy_threshold": float(self.cfg_fields["fuzzy_threshold"].GetValue().strip()),
+            }
+        except Exception:
+            wx.MessageBox("Please check numeric configuration values.", "Error")
+            return
+
+        buzzwords = [t.GetValue().strip() for t in self.buzz_inputs]
+        cfg["buzzwords"] = buzzwords
+        cfg["search_type"] = "AND" if self.toggle_buttons[0].GetLabel() == "AND" else "OR"
+
+        # UI state
+        self.start_button.Disable()
+        self.abort_button.Enable()
+        self.wildcard_box.SetValue("Running...")
+        self.fuzzy_box.SetValue("Running...")
+
+        # reset stop_event and start thread
+        self.stop_event.clear()
+
+        # Overwrite output files at the beginning of each new search
+        Path("output_snippets.txt").write_text("", encoding="utf-8", errors="surrogateescape")
+        Path("output_fuzzy_snippets.txt").write_text("", encoding="utf-8", errors="surrogateescape")
+
+        self.worker = SearchThread(paths, cfg, self.stop_event, self.on_search_complete)
+        self.worker.start()
+
+    def on_search_complete(self, wildcard_text, fuzzy_text, finished_ok):
+        # This callback runs in worker thread; must marshal to main GUI thread
+        def _update():
+            if finished_ok:
+                self.wildcard_box.SetValue(wildcard_text)
+                self.fuzzy_box.SetValue(fuzzy_text)
+
+                # Append results to output files for each processed file
+                Path("output_snippets.txt").write_text(wildcard_text, encoding="utf-8", errors="surrogateescape")
+                Path("output_fuzzy_snippets.txt").write_text(fuzzy_text, encoding="utf-8", errors="surrogateescape")
+
+            else:
+                # signals either error or aborted
+                self.wildcard_box.SetValue(wildcard_text or "Aborted / Error")
+                self.fuzzy_box.SetValue(fuzzy_text or "Aborted / Error")
+            self.stop_event.clear()
+            self.start_button.Enable()
+            self.abort_button.Disable()
+
+        wx.CallAfter(_update)
+
+if __name__ == "__main__":
+    app = wx.App(False)
+    frame = MainFrame()
+    frame.Show()
+    app.MainLoop()
+
+
+
+