Files
roadpad/marks.py

231 lines
7.1 KiB
Python

"""
RoadPad Marks - Bookmarks and position markers.
Features:
- Named marks (a-z)
- Jump between marks
- File marks (cross-file)
- Persistence
"""
import os
import json
from dataclasses import dataclass, field
from typing import Dict, List, Tuple
from datetime import datetime
@dataclass
class Mark:
"""A position marker."""
name: str
row: int
col: int
filepath: str = ""
created: str = field(default_factory=lambda: datetime.now().isoformat())
description: str = ""
def to_dict(self) -> dict:
return {
"name": self.name,
"row": self.row,
"col": self.col,
"filepath": self.filepath,
"created": self.created,
"description": self.description
}
@classmethod
def from_dict(cls, d: dict) -> "Mark":
return cls(
name=d["name"],
row=d["row"],
col=d["col"],
filepath=d.get("filepath", ""),
created=d.get("created", ""),
description=d.get("description", "")
)
@property
def is_global(self) -> bool:
"""Global marks are uppercase."""
return self.name.isupper()
class MarkManager:
"""Manages marks/bookmarks."""
def __init__(self, marks_dir: str | None = None):
self.marks_dir = marks_dir or os.path.expanduser("~/.roadpad/marks")
os.makedirs(self.marks_dir, exist_ok=True)
# Local marks (a-z) - per buffer
self.local_marks: Dict[str, Mark] = {}
# Global marks (A-Z, 0-9) - across files
self.global_marks: Dict[str, Mark] = {}
# Jump list (for Ctrl+O/Ctrl+I navigation)
self.jump_list: List[Tuple[str, int, int]] = [] # (filepath, row, col)
self.jump_index: int = -1
self.max_jumps: int = 100
# Last position before jump
self.last_position: Tuple[str, int, int] | None = None
self._load_global_marks()
def _load_global_marks(self) -> None:
"""Load global marks from disk."""
marks_file = os.path.join(self.marks_dir, "global.json")
if os.path.exists(marks_file):
try:
with open(marks_file, "r") as f:
data = json.load(f)
for item in data:
mark = Mark.from_dict(item)
self.global_marks[mark.name] = mark
except:
pass
def _save_global_marks(self) -> None:
"""Save global marks to disk."""
marks_file = os.path.join(self.marks_dir, "global.json")
data = [m.to_dict() for m in self.global_marks.values()]
with open(marks_file, "w") as f:
json.dump(data, f, indent=2)
def set_mark(self, name: str, row: int, col: int, filepath: str = "") -> Mark:
"""Set a mark at position."""
mark = Mark(name=name, row=row, col=col, filepath=filepath)
if mark.is_global:
self.global_marks[name] = mark
self._save_global_marks()
else:
self.local_marks[name] = mark
return mark
def get_mark(self, name: str) -> Mark | None:
"""Get a mark by name."""
if name.isupper() or name.isdigit():
return self.global_marks.get(name)
return self.local_marks.get(name)
def delete_mark(self, name: str) -> bool:
"""Delete a mark."""
if name.isupper() or name.isdigit():
if name in self.global_marks:
del self.global_marks[name]
self._save_global_marks()
return True
else:
if name in self.local_marks:
del self.local_marks[name]
return True
return False
def clear_local_marks(self) -> None:
"""Clear all local marks."""
self.local_marks.clear()
def list_marks(self) -> List[Mark]:
"""List all marks."""
marks = list(self.local_marks.values()) + list(self.global_marks.values())
return sorted(marks, key=lambda m: m.name)
def add_jump(self, filepath: str, row: int, col: int) -> None:
"""Add position to jump list."""
# Don't add if same as last
if self.jump_list and self.jump_index >= 0:
last = self.jump_list[self.jump_index]
if last == (filepath, row, col):
return
# Truncate forward history if we jumped back
if self.jump_index < len(self.jump_list) - 1:
self.jump_list = self.jump_list[:self.jump_index + 1]
self.jump_list.append((filepath, row, col))
self.jump_index = len(self.jump_list) - 1
# Trim to max
if len(self.jump_list) > self.max_jumps:
self.jump_list.pop(0)
self.jump_index -= 1
def jump_back(self) -> Tuple[str, int, int] | None:
"""Jump to previous position."""
if self.jump_index > 0:
self.jump_index -= 1
return self.jump_list[self.jump_index]
return None
def jump_forward(self) -> Tuple[str, int, int] | None:
"""Jump to next position."""
if self.jump_index < len(self.jump_list) - 1:
self.jump_index += 1
return self.jump_list[self.jump_index]
return None
def save_position(self, filepath: str, row: int, col: int) -> None:
"""Save current position before a jump."""
self.last_position = (filepath, row, col)
def swap_position(self, filepath: str, row: int, col: int) -> Tuple[str, int, int] | None:
"""Swap with last position (like `` in vim)."""
if self.last_position:
old = self.last_position
self.last_position = (filepath, row, col)
return old
return None
def format_list(self) -> str:
"""Format marks for display."""
lines = ["Marks", "=" * 40, ""]
marks = self.list_marks()
if not marks:
lines.append("No marks set")
lines.append("")
lines.append("m<a-z> - set local mark")
lines.append("m<A-Z> - set global mark")
lines.append("'<mark> - jump to mark")
return "\n".join(lines)
# Local marks
local = [m for m in marks if not m.is_global]
if local:
lines.append("[Local Marks]")
for m in local:
lines.append(f" '{m.name} line {m.row + 1}, col {m.col + 1}")
lines.append("")
# Global marks
glob = [m for m in marks if m.is_global]
if glob:
lines.append("[Global Marks]")
for m in glob:
filepath = os.path.basename(m.filepath) if m.filepath else "(current)"
lines.append(f" '{m.name} {filepath}:{m.row + 1}")
lines.append("")
# Jump list
if self.jump_list:
lines.append(f"[Jump List] ({self.jump_index + 1}/{len(self.jump_list)})")
lines.append(" Ctrl+O - back, Ctrl+I - forward")
return "\n".join(lines)
# Global manager
_manager: MarkManager | None = None
def get_mark_manager() -> MarkManager:
"""Get global mark manager."""
global _manager
if _manager is None:
_manager = MarkManager()
return _manager