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File Name : search.py

"""
Search operations.

For the key bindings implementation with attached filters, check
`prompt_toolkit.key_binding.bindings.search`. (Use these for new key bindings
instead of calling these function directly.)
"""

from __future__ import annotations

from enum import Enum
from typing import TYPE_CHECKING

from .application.current import get_app
from .filters import FilterOrBool, is_searching, to_filter
from .key_binding.vi_state import InputMode

if TYPE_CHECKING:
    from prompt_toolkit.layout.controls import BufferControl, SearchBufferControl
    from prompt_toolkit.layout.layout import Layout

__all__ = [
    "SearchDirection",
    "start_search",
    "stop_search",
]

class SearchDirection(Enum):
    FORWARD = "FORWARD"
    BACKWARD = "BACKWARD"

class SearchState:
    """
    A search 'query', associated with a search field (like a SearchToolbar).

Every searchable `BufferControl` points to a `search_buffer_control`
    (another `BufferControls`) which represents the search field. The
    `SearchState` attached to that search field is used for storing the current
    search query.

It is possible to have one searchfield for multiple `BufferControls`. In
    that case, they'll share the same `SearchState`.
    If there are multiple `BufferControls` that display the same `Buffer`, then
    they can have a different `SearchState` each (if they have a different
    search control).
    """

__slots__ = ("text", "direction", "ignore_case")

def __init__(
        self,
        text: str = "",
        direction: SearchDirection = SearchDirection.FORWARD,
        ignore_case: FilterOrBool = False,
    ) -> None:
        self.text = text
        self.direction = direction
        self.ignore_case = to_filter(ignore_case)

def __repr__(self) -> str:
        return f"{self.__class__.__name__}({self.text!r}, direction={self.direction!r}, ignore_case={self.ignore_case!r})"

def __invert__(self) -> SearchState:
        """
        Create a new SearchState where backwards becomes forwards and the other
        way around.
        """
        if self.direction == SearchDirection.BACKWARD:
            direction = SearchDirection.FORWARD
        else:
            direction = SearchDirection.BACKWARD

return SearchState(
            text=self.text, direction=direction, ignore_case=self.ignore_case
        )

def start_search(
    buffer_control: BufferControl | None = None,
    direction: SearchDirection = SearchDirection.FORWARD,
) -> None:
    """
    Start search through the given `buffer_control` using the
    `search_buffer_control`.

:param buffer_control: Start search for this `BufferControl`. If not given,
        search through the current control.
    """
    from prompt_toolkit.layout.controls import BufferControl

assert buffer_control is None or isinstance(buffer_control, BufferControl)

layout = get_app().layout

# When no control is given, use the current control if that's a BufferControl.
    if buffer_control is None:
        if not isinstance(layout.current_control, BufferControl):
            return
        buffer_control = layout.current_control

# Only if this control is searchable.
    search_buffer_control = buffer_control.search_buffer_control

if search_buffer_control:
        buffer_control.search_state.direction = direction

# Make sure to focus the search BufferControl
        layout.focus(search_buffer_control)

# Remember search link.
        layout.search_links[search_buffer_control] = buffer_control

# If we're in Vi mode, make sure to go into insert mode.
        get_app().vi_state.input_mode = InputMode.INSERT

def stop_search(buffer_control: BufferControl | None = None) -> None:
    """
    Stop search through the given `buffer_control`.
    """
    layout = get_app().layout

if buffer_control is None:
        buffer_control = layout.search_target_buffer_control
        if buffer_control is None:
            # (Should not happen, but possible when `stop_search` is called
            # when we're not searching.)
            return
        search_buffer_control = buffer_control.search_buffer_control
    else:
        assert buffer_control in layout.search_links.values()
        search_buffer_control = _get_reverse_search_links(layout)[buffer_control]

# Focus the original buffer again.
    layout.focus(buffer_control)

if search_buffer_control is not None:
        # Remove the search link.
        del layout.search_links[search_buffer_control]

# Reset content of search control.
        search_buffer_control.buffer.reset()

# If we're in Vi mode, go back to navigation mode.
    get_app().vi_state.input_mode = InputMode.NAVIGATION

def do_incremental_search(direction: SearchDirection, count: int = 1) -> None:
    """
    Apply search, but keep search buffer focused.
    """
    assert is_searching()

layout = get_app().layout

# Only search if the current control is a `BufferControl`.
    from prompt_toolkit.layout.controls import BufferControl

search_control = layout.current_control
    if not isinstance(search_control, BufferControl):
        return

prev_control = layout.search_target_buffer_control
    if prev_control is None:
        return
    search_state = prev_control.search_state

# Update search_state.
    direction_changed = search_state.direction != direction

search_state.text = search_control.buffer.text
    search_state.direction = direction

# Apply search to current buffer.
    if not direction_changed:
        prev_control.buffer.apply_search(
            search_state, include_current_position=False, count=count
        )

def accept_search() -> None:
    """
    Accept current search query. Focus original `BufferControl` again.
    """
    layout = get_app().layout

search_control = layout.current_control
    target_buffer_control = layout.search_target_buffer_control

from prompt_toolkit.layout.controls import BufferControl

if not isinstance(search_control, BufferControl):
        return
    if target_buffer_control is None:
        return

search_state = target_buffer_control.search_state

# Update search state.
    if search_control.buffer.text:
        search_state.text = search_control.buffer.text

# Apply search.
    target_buffer_control.buffer.apply_search(
        search_state, include_current_position=True
    )

# Add query to history of search line.
    search_control.buffer.append_to_history()

# Stop search and focus previous control again.
    stop_search(target_buffer_control)

def _get_reverse_search_links(
    layout: Layout,
) -> dict[BufferControl, SearchBufferControl]:
    """
    Return mapping from BufferControl to SearchBufferControl.
    """
    return {
        buffer_control: search_buffer_control
        for search_buffer_control, buffer_control in layout.search_links.items()
    }

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
..	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:36
__pycache__	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
application	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
clipboard	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
completion	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
contrib	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
eventloop	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
filters	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
formatted_text	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
input	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
key_binding	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
layout	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
lexers	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
output	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
shortcuts	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
styles	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
widgets	dir	-	root/root	drwxr-xr-x	2025-04-26 12:20:35
__init__.py	text/x-python	1.32 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
auto_suggest.py	text/x-python	5.66 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
buffer.py	text/x-python	72.77 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
cache.py	text/x-python	3.73 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
cursor_shapes.py	text/x-python	3.63 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
data_structures.py	text/x-python	212 B	root/root	-rw-r--r--	2025-04-26 12:20:35
document.py	text/x-python	39.63 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
enums.py	text/x-python	358 B	root/root	-rw-r--r--	2025-04-26 12:20:35
history.py	text/x-python	9.22 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
keys.py	text/x-python	4.8 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
log.py	text/x-python	153 B	root/root	-rw-r--r--	2025-04-26 12:20:35
mouse_events.py	text/x-python	2.42 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
patch_stdout.py	text/x-python	9.25 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
py.typed	inode/x-empty	0 B	root/root	-rw-r--r--	2025-04-26 12:20:35
renderer.py	text/x-python	28.71 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
search.py	text/x-python	6.79 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
selection.py	text/x-python	1.24 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
token.py	text/x-python	121 B	root/root	-rw-r--r--	2025-04-26 12:20:35
utils.py	text/x-python	8.43 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
validation.py	text/x-python	5.67 KB	root/root	-rw-r--r--	2025-04-26 12:20:35
win32_types.py	text/x-python	5.42 KB	root/root	-rw-r--r--	2025-04-26 12:20:35