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Annotate search results with their toc nodes

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Kovid Goyal 2021-05-18 20:25:03 +05:30
parent 86a5bf6656
commit a0c5990dde
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 44 additions and 5 deletions
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49
src/pyj/read_book/search_worker.pyj
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@ -70,7 +70,7 @@ class ToCOffsetMap:
if not matches and self.previous_toc_node:
matches.push(self.previous_toc_node)
ans = v'[]'
if matches:
if matches.length:
ancestors = v'[]'
node = matches[-1]
parent = self.parent_map[node.id]
@ -80,11 +80,48 @@ class ToCOffsetMap:
if len(ancestors) > 1:
ancestors.pop() # root node
for v'var i = ancestors.length; i-- > 0;':
ans.push(ancestors[i])
ans.push(node)
ans.push(ancestors[i].id)
ans.push(node.id)
return ans
def toc_offset_map_for_name(name):
if wc.toc_offset_map_cache[name]:
return wc.toc_offset_map_cache[name]
anchor_map = wc.text_cache[name][1]
toc_data = wc.current_book.toc_data
idx = toc_data.spine_idx_map[name]
toc_nodes = toc_data.spine_toc_map[name]
if not idx? or idx < 0:
wc.toc_offset_map_cache[name] = ToCOffsetMap()
return wc.toc_offset_map_cache[name]
offset_map = {}
for node in toc_nodes:
node_id = node.id
if node_id?:
aid = node.frag
offset = anchor_map[aid] or 0
offset_map[node_id] = offset
prev_toc_node = None
for v'var i = idx; i-- > 0;':
spine_name = wc.current_book.spine[i]
ptn = toc_data.spine_toc_map[spine_name]
if ptn?:
prev_toc_node = ptn[-1]
break
wc.toc_offset_map_cache[name] = ToCOffsetMap(toc_nodes, offset_map, prev_toc_node, toc_data.parent_map)
return wc.toc_offset_map_cache[name]
def toc_nodes_for_search_result(sr):
sidx = sr.spine_idx
name = wc.current_book.spine[sidx]
if not name:
return v'[]'
tmap = toc_offset_map_for_name(name)
return tmap.toc_nodes_for_offset(sr.offset)
class Worker:
def __init__(self):
@ -95,9 +132,9 @@ class Worker:
self.current_query = None
self.current_query_id = None
self.current_book = None
self.text_cache = {}
self.regex = None
self.result_num = 0
self.clear_caches()
@property
def initialize_error_msg(self):
@ -105,6 +142,7 @@ class Worker:
def clear_caches(self):
self.text_cache = {}
self.toc_offset_map_cache = {}
wc = Worker()
@ -134,10 +172,11 @@ def search_in_text_of(name):
match_counts[q] = match_counts[q] or 0
wc.result_num += 1
result = {
'file_name': name, 'spine_idx': spine_idx, 'index': match_counts[q],
'file_name': name, 'spine_idx': spine_idx, 'index': match_counts[q], 'offset': start,
'text': text, 'before': before, 'after': after, 'mode': wc.current_query.query.mode,
'q': q, 'result_num': wc.result_num, 'on_discovery': wc.current_query_id,
}
result.toc_nodes = toc_nodes_for_search_result(result)
self.postMessage({'type': 'search_result', 'id': wc.current_query_id, 'result': result})
match_counts[q] += 1